diff options
Diffstat (limited to 'widget/gtk')
25 files changed, 4775 insertions, 0 deletions
diff --git a/widget/gtk/moz.build b/widget/gtk/moz.build index baccb6ccd9..8d621c0a0a 100644 --- a/widget/gtk/moz.build +++ b/widget/gtk/moz.build @@ -24,10 +24,18 @@ UNIFIED_SOURCES += [ 'nsAppShell.cpp', 'nsBidiKeyboard.cpp', 'nsColorPicker.cpp', + 'nsDbusmenu.cpp', 'nsFilePicker.cpp', 'nsGtkKeyUtils.cpp', 'nsImageToPixbuf.cpp', 'nsLookAndFeel.cpp', + 'nsMenuBar.cpp', + 'nsMenuContainer.cpp', + 'nsMenuItem.cpp', + 'nsMenuObject.cpp', + 'nsMenuSeparator.cpp', + 'nsNativeMenuAtoms.cpp', + 'nsNativeMenuDocListener.cpp', 'nsNativeThemeGTK.cpp', 'nsScreenGtk.cpp', 'nsScreenManagerGtk.cpp', @@ -40,6 +48,8 @@ UNIFIED_SOURCES += [ ] SOURCES += [ + 'nsMenu.cpp', # conflicts with X11 headers + 'nsNativeMenuService.cpp', 'nsWindow.cpp', # conflicts with X11 headers ] @@ -104,6 +114,7 @@ FINAL_LIBRARY = 'xul' LOCAL_INCLUDES += [ '/layout/generic', + '/layout/style', '/layout/xul', '/other-licenses/atk-1.0', '/widget', diff --git a/widget/gtk/nsDbusmenu.cpp b/widget/gtk/nsDbusmenu.cpp new file mode 100644 index 0000000000..2849536e9c --- /dev/null +++ b/widget/gtk/nsDbusmenu.cpp @@ -0,0 +1,59 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsDbusmenu.h" +#include "prlink.h" +#include "mozilla/ArrayUtils.h" + +#define FUNC(name, type, params) \ +nsDbusmenuFunctions::_##name##_fn nsDbusmenuFunctions::s_##name; +DBUSMENU_GLIB_FUNCTIONS +DBUSMENU_GTK_FUNCTIONS +#undef FUNC + +static PRLibrary *gDbusmenuGlib = nullptr; +static PRLibrary *gDbusmenuGtk = nullptr; + +typedef void (*nsDbusmenuFunc)(); +struct nsDbusmenuDynamicFunction { + const char *functionName; + nsDbusmenuFunc *function; +}; + +/* static */ nsresult +nsDbusmenuFunctions::Init() { +#define FUNC(name, type, params) \ + { #name, (nsDbusmenuFunc *)&nsDbusmenuFunctions::s_##name }, + static const nsDbusmenuDynamicFunction kDbusmenuGlibSymbols[] = { + DBUSMENU_GLIB_FUNCTIONS + }; + static const nsDbusmenuDynamicFunction kDbusmenuGtkSymbols[] = { + DBUSMENU_GTK_FUNCTIONS + }; + +#define LOAD_LIBRARY(symbol, name) \ + if (!g##symbol) { \ + g##symbol = PR_LoadLibrary(name); \ + if (!g##symbol) { \ + return NS_ERROR_FAILURE; \ + } \ + } \ + for (uint32_t i = 0; i < mozilla::ArrayLength(k##symbol##Symbols); ++i) { \ + *k##symbol##Symbols[i].function = \ + PR_FindFunctionSymbol(g##symbol, k##symbol##Symbols[i].functionName); \ + if (!*k##symbol##Symbols[i].function) { \ + return NS_ERROR_FAILURE; \ + } \ + } + + LOAD_LIBRARY(DbusmenuGlib, "libdbusmenu-glib.so.4") +#if (MOZ_WIDGET_GTK == 3) + LOAD_LIBRARY(DbusmenuGtk, "libdbusmenu-gtk3.so.4") +#else + LOAD_LIBRARY(DbusmenuGtk, "libdbusmenu-gtk.so.4") +#endif +#undef LOAD_LIBRARY + + return NS_OK; +} diff --git a/widget/gtk/nsDbusmenu.h b/widget/gtk/nsDbusmenu.h new file mode 100644 index 0000000000..c0d9e79790 --- /dev/null +++ b/widget/gtk/nsDbusmenu.h @@ -0,0 +1,97 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsDbusmenu_h__ +#define __nsDbusmenu_h__ + +#include "nsError.h" + +#include <glib.h> +#include <gdk/gdk.h> + +#define DBUSMENU_GLIB_FUNCTIONS \ + FUNC(dbusmenu_menuitem_child_add_position, gboolean, (DbusmenuMenuitem* mi, DbusmenuMenuitem* child, guint position)) \ + FUNC(dbusmenu_menuitem_child_append, gboolean, (DbusmenuMenuitem* mi, DbusmenuMenuitem* child)) \ + FUNC(dbusmenu_menuitem_child_delete, gboolean, (DbusmenuMenuitem* mi, DbusmenuMenuitem* child)) \ + FUNC(dbusmenu_menuitem_get_children, GList*, (DbusmenuMenuitem* mi)) \ + FUNC(dbusmenu_menuitem_new, DbusmenuMenuitem*, (void)) \ + FUNC(dbusmenu_menuitem_property_get, const gchar*, (DbusmenuMenuitem* mi, const gchar* property)) \ + FUNC(dbusmenu_menuitem_property_get_bool, gboolean, (DbusmenuMenuitem* mi, const gchar* property)) \ + FUNC(dbusmenu_menuitem_property_remove, void, (DbusmenuMenuitem* mi, const gchar* property)) \ + FUNC(dbusmenu_menuitem_property_set, gboolean, (DbusmenuMenuitem* mi, const gchar* property, const gchar* value)) \ + FUNC(dbusmenu_menuitem_property_set_bool, gboolean, (DbusmenuMenuitem* mi, const gchar* property, const gboolean value)) \ + FUNC(dbusmenu_menuitem_property_set_int, gboolean, (DbusmenuMenuitem* mi, const gchar* property, const gint value)) \ + FUNC(dbusmenu_menuitem_show_to_user, void, (DbusmenuMenuitem* mi, guint timestamp)) \ + FUNC(dbusmenu_menuitem_take_children, GList*, (DbusmenuMenuitem* mi)) \ + FUNC(dbusmenu_server_new, DbusmenuServer*, (const gchar* object)) \ + FUNC(dbusmenu_server_set_root, void, (DbusmenuServer* server, DbusmenuMenuitem* root)) \ + FUNC(dbusmenu_server_set_status, void, (DbusmenuServer* server, DbusmenuStatus status)) + +#define DBUSMENU_GTK_FUNCTIONS \ + FUNC(dbusmenu_menuitem_property_set_image, gboolean, (DbusmenuMenuitem* menuitem, const gchar* property, const GdkPixbuf* data)) \ + FUNC(dbusmenu_menuitem_property_set_shortcut, gboolean, (DbusmenuMenuitem* menuitem, guint key, GdkModifierType modifier)) + +typedef struct _DbusmenuMenuitem DbusmenuMenuitem; +typedef struct _DbusmenuServer DbusmenuServer; + +enum DbusmenuStatus { + DBUSMENU_STATUS_NORMAL, + DBUSMENU_STATUS_NOTICE +}; + +#define DBUSMENU_MENUITEM_CHILD_DISPLAY_SUBMENU "submenu" +#define DBUSMENU_MENUITEM_PROP_CHILD_DISPLAY "children-display" +#define DBUSMENU_MENUITEM_PROP_ENABLED "enabled" +#define DBUSMENU_MENUITEM_PROP_ICON_DATA "icon-data" +#define DBUSMENU_MENUITEM_PROP_LABEL "label" +#define DBUSMENU_MENUITEM_PROP_SHORTCUT "shortcut" +#define DBUSMENU_MENUITEM_PROP_TYPE "type" +#define DBUSMENU_MENUITEM_PROP_TOGGLE_STATE "toggle-state" +#define DBUSMENU_MENUITEM_PROP_TOGGLE_TYPE "toggle-type" +#define DBUSMENU_MENUITEM_PROP_VISIBLE "visible" +#define DBUSMENU_MENUITEM_SIGNAL_ABOUT_TO_SHOW "about-to-show" +#define DBUSMENU_MENUITEM_SIGNAL_EVENT "event" +#define DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED "item-activated" +#define DBUSMENU_MENUITEM_TOGGLE_CHECK "checkmark" +#define DBUSMENU_MENUITEM_TOGGLE_RADIO "radio" +#define DBUSMENU_MENUITEM_TOGGLE_STATE_CHECKED 1 +#define DBUSMENU_MENUITEM_TOGGLE_STATE_UNCHECKED 0 +#define DBUSMENU_SERVER_PROP_DBUS_OBJECT "dbus-object" + +class nsDbusmenuFunctions { +public: + nsDbusmenuFunctions() = delete; + + static nsresult Init(); + +#define FUNC(name, type, params) \ + typedef type (*_##name##_fn) params; \ + static _##name##_fn s_##name; + DBUSMENU_GLIB_FUNCTIONS + DBUSMENU_GTK_FUNCTIONS +#undef FUNC + +}; + +#define dbusmenu_menuitem_child_add_position nsDbusmenuFunctions::s_dbusmenu_menuitem_child_add_position +#define dbusmenu_menuitem_child_append nsDbusmenuFunctions::s_dbusmenu_menuitem_child_append +#define dbusmenu_menuitem_child_delete nsDbusmenuFunctions::s_dbusmenu_menuitem_child_delete +#define dbusmenu_menuitem_get_children nsDbusmenuFunctions::s_dbusmenu_menuitem_get_children +#define dbusmenu_menuitem_new nsDbusmenuFunctions::s_dbusmenu_menuitem_new +#define dbusmenu_menuitem_property_get nsDbusmenuFunctions::s_dbusmenu_menuitem_property_get +#define dbusmenu_menuitem_property_get_bool nsDbusmenuFunctions::s_dbusmenu_menuitem_property_get_bool +#define dbusmenu_menuitem_property_remove nsDbusmenuFunctions::s_dbusmenu_menuitem_property_remove +#define dbusmenu_menuitem_property_set nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set +#define dbusmenu_menuitem_property_set_bool nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_bool +#define dbusmenu_menuitem_property_set_int nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_int +#define dbusmenu_menuitem_show_to_user nsDbusmenuFunctions::s_dbusmenu_menuitem_show_to_user +#define dbusmenu_menuitem_take_children nsDbusmenuFunctions::s_dbusmenu_menuitem_take_children +#define dbusmenu_server_new nsDbusmenuFunctions::s_dbusmenu_server_new +#define dbusmenu_server_set_root nsDbusmenuFunctions::s_dbusmenu_server_set_root +#define dbusmenu_server_set_status nsDbusmenuFunctions::s_dbusmenu_server_set_status + +#define dbusmenu_menuitem_property_set_image nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_image +#define dbusmenu_menuitem_property_set_shortcut nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_shortcut + +#endif /* __nsDbusmenu_h__ */ diff --git a/widget/gtk/nsMenu.cpp b/widget/gtk/nsMenu.cpp new file mode 100644 index 0000000000..073a4acf65 --- /dev/null +++ b/widget/gtk/nsMenu.cpp @@ -0,0 +1,800 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#define _IMPL_NS_LAYOUT + +#include "mozilla/dom/Element.h" +#include "mozilla/Assertions.h" +#include "mozilla/GuardObjects.h" +#include "mozilla/MouseEvents.h" +#include "mozilla/Move.h" +#include "mozilla/StyleSetHandleInlines.h" +#include "nsAutoPtr.h" +#include "nsBindingManager.h" +#include "nsComponentManagerUtils.h" +#include "nsContentUtils.h" +#include "nsCSSValue.h" +#include "nsGkAtoms.h" +#include "nsGtkUtils.h" +#include "nsIAtom.h" +#include "nsIContent.h" +#include "nsIDocument.h" +#include "nsIPresShell.h" +#include "nsIRunnable.h" +#include "nsITimer.h" +#include "nsString.h" +#include "nsStyleContext.h" +#include "nsStyleSet.h" +#include "nsStyleStruct.h" +#include "nsThreadUtils.h" +#include "nsXBLBinding.h" +#include "nsXBLService.h" + +#include "nsNativeMenuAtoms.h" +#include "nsNativeMenuDocListener.h" + +#include <glib-object.h> + +#include "nsMenu.h" + +using namespace mozilla; + +class nsMenuContentInsertedEvent : public Runnable { +public: + nsMenuContentInsertedEvent(nsMenu* aMenu, + nsIContent* aContainer, + nsIContent* aChild, + nsIContent* aPrevSibling) : + mWeakMenu(aMenu), + mContainer(aContainer), + mChild(aChild), + mPrevSibling(aPrevSibling) { } + + NS_IMETHODIMP Run() { + if (!mWeakMenu) { + return NS_OK; + } + + static_cast<nsMenu *>(mWeakMenu.get())->HandleContentInserted(mContainer, + mChild, + mPrevSibling); + return NS_OK; + } + +private: + nsWeakMenuObject mWeakMenu; + + nsCOMPtr<nsIContent> mContainer; + nsCOMPtr<nsIContent> mChild; + nsCOMPtr<nsIContent> mPrevSibling; +}; + +class nsMenuContentRemovedEvent : public Runnable { +public: + nsMenuContentRemovedEvent(nsMenu* aMenu, + nsIContent* aContainer, + nsIContent* aChild) : + mWeakMenu(aMenu), + mContainer(aContainer), + mChild(aChild) { } + + NS_IMETHODIMP Run() { + if (!mWeakMenu) { + return NS_OK; + } + + static_cast<nsMenu *>(mWeakMenu.get())->HandleContentRemoved(mContainer, + mChild); + return NS_OK; + } + +private: + nsWeakMenuObject mWeakMenu; + + nsCOMPtr<nsIContent> mContainer; + nsCOMPtr<nsIContent> mChild; +}; + +static void +DispatchMouseEvent(nsIContent* aTarget, mozilla::EventMessage aMsg) { + if (!aTarget) { + return; + } + + WidgetMouseEvent event(true, aMsg, nullptr, WidgetMouseEvent::eReal); + aTarget->DispatchDOMEvent(&event, nullptr, nullptr, nullptr); +} + +static void +AttachXBLBindings(nsIContent* aContent) { + nsIDocument* doc = aContent->OwnerDoc(); + nsIPresShell* shell = doc->GetShell(); + if (!shell) { + return; + } + + RefPtr<nsStyleContext> sc = + shell->StyleSet()->AsGecko()->ResolveStyleFor(aContent->AsElement(), + nullptr); + if (!sc) { + return; + } + + const nsStyleDisplay* display = sc->StyleDisplay(); + if (!display->mBinding) { + return; + } + + nsXBLService* xbl = nsXBLService::GetInstance(); + if (!xbl) { + return; + } + + RefPtr<nsXBLBinding> binding; + bool dummy; + nsresult rv = xbl->LoadBindings(aContent, display->mBinding->GetURI(), + display->mBinding->mOriginPrincipal, + getter_AddRefs(binding), &dummy); + if ((NS_FAILED(rv) && rv != NS_ERROR_XBL_BLOCKED) || !binding) { + return; + } + + doc->BindingManager()->AddToAttachedQueue(binding); +} + +void +nsMenu::SetPopupState(EPopupState aState) { + mPopupState = aState; + + if (!mPopupContent) { + return; + } + + nsAutoString state; + switch (aState) { + case ePopupState_Showing: + state.Assign(NS_LITERAL_STRING("showing")); + break; + case ePopupState_Open: + state.Assign(NS_LITERAL_STRING("open")); + break; + case ePopupState_Hiding: + state.Assign(NS_LITERAL_STRING("hiding")); + break; + default: + break; + } + + if (state.IsEmpty()) { + mPopupContent->UnsetAttr(kNameSpaceID_None, + nsNativeMenuAtoms::_moz_nativemenupopupstate, + false); + } else { + mPopupContent->SetAttr(kNameSpaceID_None, + nsNativeMenuAtoms::_moz_nativemenupopupstate, + state, false); + } +} + +/* static */ void +nsMenu::DoOpenCallback(nsITimer* aTimer, void* aClosure) { + nsMenu* self = static_cast<nsMenu *>(aClosure); + + dbusmenu_menuitem_show_to_user(self->GetNativeData(), 0); + + self->mOpenDelayTimer = nullptr; +} + +/* static */ void +nsMenu::menu_event_cb(DbusmenuMenuitem* menu, + const gchar* name, + GVariant* value, + guint timestamp, + gpointer user_data) { + nsMenu* self = static_cast<nsMenu *>(user_data); + + nsAutoCString event(name); + + if (event.Equals(NS_LITERAL_CSTRING("closed"))) { + self->OnClose(); + return; + } + + if (event.Equals(NS_LITERAL_CSTRING("opened"))) { + self->OnOpen(); + return; + } +} + +void +nsMenu::MaybeAddPlaceholderItem() { + MOZ_ASSERT(!IsInBatchedUpdate(), + "Shouldn't be modifying the native menu structure now"); + + GList* children = dbusmenu_menuitem_get_children(GetNativeData()); + if (!children) { + MOZ_ASSERT(!mPlaceholderItem); + + mPlaceholderItem = dbusmenu_menuitem_new(); + if (!mPlaceholderItem) { + return; + } + + dbusmenu_menuitem_property_set_bool(mPlaceholderItem, + DBUSMENU_MENUITEM_PROP_VISIBLE, + false); + + MOZ_ALWAYS_TRUE( + dbusmenu_menuitem_child_append(GetNativeData(), mPlaceholderItem)); + } +} + +void +nsMenu::EnsureNoPlaceholderItem() { + MOZ_ASSERT(!IsInBatchedUpdate(), + "Shouldn't be modifying the native menu structure now"); + + if (!mPlaceholderItem) { + return; + } + + MOZ_ALWAYS_TRUE( + dbusmenu_menuitem_child_delete(GetNativeData(), mPlaceholderItem)); + MOZ_ASSERT(!dbusmenu_menuitem_get_children(GetNativeData())); + + g_object_unref(mPlaceholderItem); + mPlaceholderItem = nullptr; +} + +void +nsMenu::OnOpen() { + if (mNeedsRebuild) { + Build(); + } + + nsWeakMenuObject self(this); + nsCOMPtr<nsIContent> origPopupContent(mPopupContent); + { + nsNativeMenuDocListener::BlockUpdatesScope updatesBlocker; + + SetPopupState(ePopupState_Showing); + DispatchMouseEvent(mPopupContent, eXULPopupShowing); + + ContentNode()->SetAttr(kNameSpaceID_None, nsGkAtoms::open, + NS_LITERAL_STRING("true"), true); + } + + if (!self) { + // We were deleted! + return; + } + + // I guess that the popup could have changed + if (origPopupContent != mPopupContent) { + return; + } + + nsNativeMenuDocListener::BlockUpdatesScope updatesBlocker; + + size_t count = ChildCount(); + for (size_t i = 0; i < count; ++i) { + ChildAt(i)->ContainerIsOpening(); + } + + SetPopupState(ePopupState_Open); + DispatchMouseEvent(mPopupContent, eXULPopupShown); +} + +void +nsMenu::Build() { + mNeedsRebuild = false; + + while (ChildCount() > 0) { + RemoveChildAt(0); + } + + InitializePopup(); + + if (!mPopupContent) { + return; + } + + uint32_t count = mPopupContent->GetChildCount(); + for (uint32_t i = 0; i < count; ++i) { + nsIContent* childContent = mPopupContent->GetChildAt(i); + + UniquePtr<nsMenuObject> child = CreateChild(childContent); + + if (!child) { + continue; + } + + AppendChild(Move(child)); + } +} + +void +nsMenu::InitializePopup() { + nsCOMPtr<nsIContent> oldPopupContent; + oldPopupContent.swap(mPopupContent); + + for (uint32_t i = 0; i < ContentNode()->GetChildCount(); ++i) { + nsIContent* child = ContentNode()->GetChildAt(i); + + int32_t dummy; + nsCOMPtr<nsIAtom> tag = child->OwnerDoc()->BindingManager()->ResolveTag(child, &dummy); + if (tag == nsGkAtoms::menupopup) { + mPopupContent = child; + break; + } + } + + if (oldPopupContent == mPopupContent) { + return; + } + + // The popup has changed + + if (oldPopupContent) { + DocListener()->UnregisterForContentChanges(oldPopupContent); + } + + SetPopupState(ePopupState_Closed); + + if (!mPopupContent) { + return; + } + + AttachXBLBindings(mPopupContent); + + DocListener()->RegisterForContentChanges(mPopupContent, this); +} + +void +nsMenu::RemoveChildAt(size_t aIndex) { + MOZ_ASSERT(IsInBatchedUpdate() || !mPlaceholderItem, + "Shouldn't have a placeholder menuitem"); + + nsMenuContainer::RemoveChildAt(aIndex, !IsInBatchedUpdate()); + StructureMutated(); + + if (!IsInBatchedUpdate()) { + MaybeAddPlaceholderItem(); + } +} + +void +nsMenu::RemoveChild(nsIContent* aChild) { + size_t index = IndexOf(aChild); + if (index == NoIndex) { + return; + } + + RemoveChildAt(index); +} + +void +nsMenu::InsertChildAfter(UniquePtr<nsMenuObject> aChild, + nsIContent* aPrevSibling) { + if (!IsInBatchedUpdate()) { + EnsureNoPlaceholderItem(); + } + + nsMenuContainer::InsertChildAfter(Move(aChild), aPrevSibling, + !IsInBatchedUpdate()); + StructureMutated(); +} + +void +nsMenu::AppendChild(UniquePtr<nsMenuObject> aChild) { + if (!IsInBatchedUpdate()) { + EnsureNoPlaceholderItem(); + } + + nsMenuContainer::AppendChild(Move(aChild), !IsInBatchedUpdate()); + StructureMutated(); +} + +bool +nsMenu::IsInBatchedUpdate() const { + return mBatchedUpdateState != eBatchedUpdateState_Inactive; +} + +void +nsMenu::StructureMutated() { + if (!IsInBatchedUpdate()) { + return; + } + + mBatchedUpdateState = eBatchedUpdateState_DidMutate; +} + +bool +nsMenu::CanOpen() const { + bool isVisible = dbusmenu_menuitem_property_get_bool(GetNativeData(), + DBUSMENU_MENUITEM_PROP_VISIBLE); + bool isDisabled = ContentNode()->AttrValueIs(kNameSpaceID_None, + nsGkAtoms::disabled, + nsGkAtoms::_true, + eCaseMatters); + + return (isVisible && !isDisabled); +} + +void +nsMenu::HandleContentInserted(nsIContent* aContainer, + nsIContent* aChild, + nsIContent* aPrevSibling) { + if (aContainer == mPopupContent) { + UniquePtr<nsMenuObject> child = CreateChild(aChild); + + if (child) { + InsertChildAfter(Move(child), aPrevSibling); + } + } else { + Build(); + } +} + +void +nsMenu::HandleContentRemoved(nsIContent* aContainer, nsIContent* aChild) { + if (aContainer == mPopupContent) { + RemoveChild(aChild); + } else { + Build(); + } +} + +void +nsMenu::InitializeNativeData() { + // Dbusmenu provides an "about-to-show" signal, and also "opened" and + // "closed" events. However, Unity is the only thing that sends + // both "about-to-show" and "opened" events. Unity 2D and the HUD only + // send "opened" events, so we ignore "about-to-show" (I don't think + // there's any real difference between them anyway). + // To complicate things, there are certain conditions where we don't + // get a "closed" event, so we need to be able to handle this :/ + g_signal_connect(G_OBJECT(GetNativeData()), "event", + G_CALLBACK(menu_event_cb), this); + + mNeedsRebuild = true; + mNeedsUpdate = true; + + MaybeAddPlaceholderItem(); + + AttachXBLBindings(ContentNode()); +} + +void +nsMenu::Update(nsStyleContext* aStyleContext) { + if (mNeedsUpdate) { + mNeedsUpdate = false; + + UpdateLabel(); + UpdateSensitivity(); + } + + UpdateVisibility(aStyleContext); + UpdateIcon(aStyleContext); +} + +nsMenuObject::PropertyFlags +nsMenu::SupportedProperties() const { + return static_cast<nsMenuObject::PropertyFlags>( + nsMenuObject::ePropLabel | + nsMenuObject::ePropEnabled | + nsMenuObject::ePropVisible | + nsMenuObject::ePropIconData | + nsMenuObject::ePropChildDisplay + ); +} + +void +nsMenu::OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) { + MOZ_ASSERT(aContent == ContentNode() || aContent == mPopupContent, + "Received an event that wasn't meant for us!"); + + if (mNeedsUpdate) { + return; + } + + if (aContent != ContentNode()) { + return; + } + + if (!Parent()->IsBeingDisplayed()) { + mNeedsUpdate = true; + return; + } + + if (aAttribute == nsGkAtoms::disabled) { + UpdateSensitivity(); + } else if (aAttribute == nsGkAtoms::label || + aAttribute == nsGkAtoms::accesskey || + aAttribute == nsGkAtoms::crop) { + UpdateLabel(); + } else if (aAttribute == nsGkAtoms::hidden || + aAttribute == nsGkAtoms::collapsed) { + RefPtr<nsStyleContext> sc = GetStyleContext(); + UpdateVisibility(sc); + } else if (aAttribute == nsGkAtoms::image) { + RefPtr<nsStyleContext> sc = GetStyleContext(); + UpdateIcon(sc); + } +} + +void +nsMenu::OnContentInserted(nsIContent* aContainer, nsIContent* aChild, + nsIContent* aPrevSibling) { + MOZ_ASSERT(aContainer == ContentNode() || aContainer == mPopupContent, + "Received an event that wasn't meant for us!"); + + if (mNeedsRebuild) { + return; + } + + if (mPopupState == ePopupState_Closed) { + mNeedsRebuild = true; + return; + } + + nsContentUtils::AddScriptRunner( + new nsMenuContentInsertedEvent(this, aContainer, aChild, + aPrevSibling)); +} + +void +nsMenu::OnContentRemoved(nsIContent* aContainer, nsIContent* aChild) { + MOZ_ASSERT(aContainer == ContentNode() || aContainer == mPopupContent, + "Received an event that wasn't meant for us!"); + + if (mNeedsRebuild) { + return; + } + + if (mPopupState == ePopupState_Closed) { + mNeedsRebuild = true; + return; + } + + nsContentUtils::AddScriptRunner( + new nsMenuContentRemovedEvent(this, aContainer, aChild)); +} + +/* + * Some menus (eg, the History menu in Firefox) refresh themselves on + * opening by removing all children and then re-adding new ones. As this + * happens whilst the menu is opening in Unity, it causes some flickering + * as the menu popup is resized multiple times. To avoid this, we try to + * reuse native menu items when the menu structure changes during a + * batched update. If we can handle menu structure changes from Goanna + * just by updating properties of native menu items (rather than destroying + * and creating new ones), then we eliminate any flickering that occurs as + * the menu is opened. To do this, we don't modify any native menu items + * until the end of the update batch. + */ + +void +nsMenu::OnBeginUpdates(nsIContent* aContent) { + MOZ_ASSERT(aContent == ContentNode() || aContent == mPopupContent, + "Received an event that wasn't meant for us!"); + MOZ_ASSERT(!IsInBatchedUpdate(), "Already in an update batch!"); + + if (aContent != mPopupContent) { + return; + } + + mBatchedUpdateState = eBatchedUpdateState_Active; +} + +void +nsMenu::OnEndUpdates() { + if (!IsInBatchedUpdate()) { + return; + } + + bool didMutate = mBatchedUpdateState == eBatchedUpdateState_DidMutate; + mBatchedUpdateState = eBatchedUpdateState_Inactive; + + /* Optimize for the case where we only had attribute changes */ + if (!didMutate) { + return; + } + + EnsureNoPlaceholderItem(); + + GList* nextNativeChild = dbusmenu_menuitem_get_children(GetNativeData()); + DbusmenuMenuitem* nextOwnedNativeChild = nullptr; + + size_t count = ChildCount(); + + // Find the first native menu item that is `owned` by a corresponding + // Goanna menuitem + for (size_t i = 0; i < count; ++i) { + if (ChildAt(i)->GetNativeData()) { + nextOwnedNativeChild = ChildAt(i)->GetNativeData(); + break; + } + } + + // Now iterate over all Goanna menuitems + for (size_t i = 0; i < count; ++i) { + nsMenuObject* child = ChildAt(i); + + if (child->GetNativeData()) { + // This child already has a corresponding native menuitem. + // Remove all preceding orphaned native items. At this point, we + // modify the native menu structure. + while (nextNativeChild && + nextNativeChild->data != nextOwnedNativeChild) { + + DbusmenuMenuitem* data = + static_cast<DbusmenuMenuitem *>(nextNativeChild->data); + nextNativeChild = nextNativeChild->next; + + MOZ_ALWAYS_TRUE(dbusmenu_menuitem_child_delete(GetNativeData(), + data)); + } + + if (nextNativeChild) { + nextNativeChild = nextNativeChild->next; + } + + // Now find the next native menu item that is `owned` + nextOwnedNativeChild = nullptr; + for (size_t j = i + 1; j < count; ++j) { + if (ChildAt(j)->GetNativeData()) { + nextOwnedNativeChild = ChildAt(j)->GetNativeData(); + break; + } + } + } else { + // This child is new, and doesn't have a native menu item. Find one! + if (nextNativeChild && + nextNativeChild->data != nextOwnedNativeChild) { + + DbusmenuMenuitem* data = + static_cast<DbusmenuMenuitem *>(nextNativeChild->data); + + if (NS_SUCCEEDED(child->AdoptNativeData(data))) { + nextNativeChild = nextNativeChild->next; + } + } + + // There wasn't a suitable one available, so create a new one. + // At this point, we modify the native menu structure. + if (!child->GetNativeData()) { + child->CreateNativeData(); + MOZ_ALWAYS_TRUE( + dbusmenu_menuitem_child_add_position(GetNativeData(), + child->GetNativeData(), + i)); + } + } + } + + while (nextNativeChild) { + DbusmenuMenuitem* data = + static_cast<DbusmenuMenuitem *>(nextNativeChild->data); + nextNativeChild = nextNativeChild->next; + + MOZ_ALWAYS_TRUE(dbusmenu_menuitem_child_delete(GetNativeData(), data)); + } + + MaybeAddPlaceholderItem(); +} + +nsMenu::nsMenu(nsMenuContainer* aParent, nsIContent* aContent) : + nsMenuContainer(aParent, aContent), + mNeedsRebuild(false), + mNeedsUpdate(false), + mPlaceholderItem(nullptr), + mPopupState(ePopupState_Closed), + mBatchedUpdateState(eBatchedUpdateState_Inactive) { + MOZ_COUNT_CTOR(nsMenu); +} + +nsMenu::~nsMenu() { + if (IsInBatchedUpdate()) { + OnEndUpdates(); + } + + // Although nsTArray will take care of this in its destructor, + // we have to manually ensure children are removed from our native menu + // item, just in case our parent recycles us + while (ChildCount() > 0) { + RemoveChildAt(0); + } + + EnsureNoPlaceholderItem(); + + if (DocListener() && mPopupContent) { + DocListener()->UnregisterForContentChanges(mPopupContent); + } + + if (GetNativeData()) { + g_signal_handlers_disconnect_by_func(GetNativeData(), + FuncToGpointer(menu_event_cb), + this); + } + + MOZ_COUNT_DTOR(nsMenu); +} + +nsMenuObject::EType +nsMenu::Type() const { + return eType_Menu; +} + +bool +nsMenu::IsBeingDisplayed() const { + return mPopupState == ePopupState_Open; +} + +bool +nsMenu::NeedsRebuild() const { + return mNeedsRebuild; +} + +void +nsMenu::OpenMenu() { + if (!CanOpen()) { + return; + } + + if (mOpenDelayTimer) { + return; + } + + // Here, we synchronously fire popupshowing and popupshown events and then + // open the menu after a short delay. This allows the menu to refresh before + // it's shown, and avoids an issue where keyboard focus is not on the first + // item of the history menu in Firefox when opening it with the keyboard, + // because extra items to appear at the top of the menu + + OnOpen(); + + mOpenDelayTimer = do_CreateInstance(NS_TIMER_CONTRACTID); + if (!mOpenDelayTimer) { + return; + } + + if (NS_FAILED(mOpenDelayTimer->InitWithFuncCallback(DoOpenCallback, + this, + 100, + nsITimer::TYPE_ONE_SHOT))) { + mOpenDelayTimer = nullptr; + } +} + +void +nsMenu::OnClose() { + if (mPopupState == ePopupState_Closed) { + return; + } + + MOZ_ASSERT(nsContentUtils::IsSafeToRunScript()); + + // We do this to avoid mutating our view of the menu until + // after we have finished + nsNativeMenuDocListener::BlockUpdatesScope updatesBlocker; + + SetPopupState(ePopupState_Hiding); + DispatchMouseEvent(mPopupContent, eXULPopupHiding); + + // Sigh, make sure all of our descendants are closed, as we don't + // always get closed events for submenus when scrubbing quickly through + // the menu + size_t count = ChildCount(); + for (size_t i = 0; i < count; ++i) { + if (ChildAt(i)->Type() == nsMenuObject::eType_Menu) { + static_cast<nsMenu *>(ChildAt(i))->OnClose(); + } + } + + SetPopupState(ePopupState_Closed); + DispatchMouseEvent(mPopupContent, eXULPopupHidden); + + ContentNode()->UnsetAttr(kNameSpaceID_None, nsGkAtoms::open, true); +} diff --git a/widget/gtk/nsMenu.h b/widget/gtk/nsMenu.h new file mode 100644 index 0000000000..a198a8e723 --- /dev/null +++ b/widget/gtk/nsMenu.h @@ -0,0 +1,120 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsMenu_h__ +#define __nsMenu_h__ + +#include "mozilla/Attributes.h" +#include "mozilla/UniquePtr.h" +#include "nsCOMPtr.h" + +#include "nsDbusmenu.h" +#include "nsMenuContainer.h" +#include "nsMenuObject.h" + +#include <glib.h> + +class nsIAtom; +class nsIContent; +class nsITimer; +class nsStyleContext; + +#define NSMENU_NUMBER_OF_POPUPSTATE_BITS 2U +#define NSMENU_NUMBER_OF_FLAGS 4U + +// This class represents a menu +class nsMenu final : public nsMenuContainer { +public: + nsMenu(nsMenuContainer* aParent, nsIContent* aContent); + ~nsMenu(); + + nsMenuObject::EType Type() const override; + + bool IsBeingDisplayed() const override; + bool NeedsRebuild() const override; + + // Tell the desktop shell to display this menu + void OpenMenu(); + + // Normally called via the shell, but it's public so that child + // menuitems can do the shells work. Sigh.... + void OnClose(); + +private: + friend class nsMenuContentInsertedEvent; + friend class nsMenuContentRemovedEvent; + + enum EPopupState { + ePopupState_Closed, + ePopupState_Showing, + ePopupState_Open, + ePopupState_Hiding + }; + + void SetPopupState(EPopupState aState); + + static void DoOpenCallback(nsITimer* aTimer, void* aClosure); + static void menu_event_cb(DbusmenuMenuitem* menu, + const gchar* name, + GVariant* value, + guint timestamp, + gpointer user_data); + + // We add a placeholder item to empty menus so that Unity actually treats + // us as a proper menu, rather than a menuitem without a submenu + void MaybeAddPlaceholderItem(); + + // Removes a placeholder item if it exists and asserts that this succeeds + void EnsureNoPlaceholderItem(); + + void OnOpen(); + void Build(); + void InitializePopup(); + void RemoveChildAt(size_t aIndex); + void RemoveChild(nsIContent* aChild); + void InsertChildAfter(mozilla::UniquePtr<nsMenuObject> aChild, + nsIContent* aPrevSibling); + void AppendChild(mozilla::UniquePtr<nsMenuObject> aChild); + bool IsInBatchedUpdate() const; + void StructureMutated(); + bool CanOpen() const; + + void HandleContentInserted(nsIContent* aContainer, + nsIContent* aChild, + nsIContent* aPrevSibling); + void HandleContentRemoved(nsIContent* aContainer, + nsIContent* aChild); + + void InitializeNativeData() override; + void Update(nsStyleContext* aStyleContext) override; + nsMenuObject::PropertyFlags SupportedProperties() const override; + + void OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) override; + void OnContentInserted(nsIContent* aContainer, nsIContent* aChild, + nsIContent* aPrevSibling) override; + void OnContentRemoved(nsIContent* aContainer, nsIContent* aChild) override; + void OnBeginUpdates(nsIContent* aContent) override; + void OnEndUpdates() override; + + bool mNeedsRebuild; + bool mNeedsUpdate; + + DbusmenuMenuitem* mPlaceholderItem; + + EPopupState mPopupState; + + enum EBatchedUpdateState { + eBatchedUpdateState_Inactive, + eBatchedUpdateState_Active, + eBatchedUpdateState_DidMutate + }; + + EBatchedUpdateState mBatchedUpdateState; + + nsCOMPtr<nsIContent> mPopupContent; + + nsCOMPtr<nsITimer> mOpenDelayTimer; +}; + +#endif /* __nsMenu_h__ */ diff --git a/widget/gtk/nsMenuBar.cpp b/widget/gtk/nsMenuBar.cpp new file mode 100644 index 0000000000..e7caf119c6 --- /dev/null +++ b/widget/gtk/nsMenuBar.cpp @@ -0,0 +1,541 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/Assertions.h" +#include "mozilla/DebugOnly.h" +#include "mozilla/dom/Element.h" +#include "mozilla/Move.h" +#include "mozilla/Preferences.h" +#include "nsAutoPtr.h" +#include "nsContentUtils.h" +#include "nsIDocument.h" +#include "nsIDOMEvent.h" +#include "nsIDOMEventListener.h" +#include "nsIDOMEventTarget.h" +#include "nsIDOMKeyEvent.h" +#include "nsIRunnable.h" +#include "nsIWidget.h" +#include "nsTArray.h" +#include "nsUnicharUtils.h" + +#include "nsMenu.h" +#include "nsNativeMenuAtoms.h" +#include "nsNativeMenuService.h" + +#include <gdk/gdk.h> +#include <gdk/gdkx.h> +#include <glib.h> +#include <glib-object.h> + +#include "nsMenuBar.h" + +using namespace mozilla; + +static bool +ShouldHandleKeyEvent(nsIDOMEvent* aEvent) { + bool handled, trusted = false; + aEvent->GetPreventDefault(&handled); + aEvent->GetIsTrusted(&trusted); + + if (handled || !trusted) { + return false; + } + + return true; +} + +class nsMenuBarContentInsertedEvent : public Runnable { +public: + nsMenuBarContentInsertedEvent(nsMenuBar* aMenuBar, + nsIContent* aChild, + nsIContent* aPrevSibling) : + mWeakMenuBar(aMenuBar), + mChild(aChild), + mPrevSibling(aPrevSibling) { } + + NS_IMETHODIMP Run() + { + if (!mWeakMenuBar) { + return NS_OK; + } + + static_cast<nsMenuBar* >(mWeakMenuBar.get())->HandleContentInserted(mChild, + mPrevSibling); + return NS_OK; + } + +private: + nsWeakMenuObject mWeakMenuBar; + + nsCOMPtr<nsIContent> mChild; + nsCOMPtr<nsIContent> mPrevSibling; +}; + +class nsMenuBarContentRemovedEvent : public Runnable { +public: + nsMenuBarContentRemovedEvent(nsMenuBar* aMenuBar, + nsIContent* aChild) : + mWeakMenuBar(aMenuBar), + mChild(aChild) { } + + NS_IMETHODIMP Run() + { + if (!mWeakMenuBar) { + return NS_OK; + } + + static_cast<nsMenuBar* >(mWeakMenuBar.get())->HandleContentRemoved(mChild); + return NS_OK; + } + +private: + nsWeakMenuObject mWeakMenuBar; + + nsCOMPtr<nsIContent> mChild; +}; + +class nsMenuBar::DocEventListener final : public nsIDOMEventListener { +public: + NS_DECL_ISUPPORTS + NS_DECL_NSIDOMEVENTLISTENER + + DocEventListener(nsMenuBar* aOwner) : mOwner(aOwner) { }; + +private: + ~DocEventListener() { }; + + nsMenuBar* mOwner; +}; + +NS_IMPL_ISUPPORTS(nsMenuBar::DocEventListener, nsIDOMEventListener) + +NS_IMETHODIMP +nsMenuBar::DocEventListener::HandleEvent(nsIDOMEvent* aEvent) { + nsAutoString type; + nsresult rv = aEvent->GetType(type); + if (NS_FAILED(rv)) { + NS_WARNING("Failed to determine event type"); + return rv; + } + + if (type.Equals(NS_LITERAL_STRING("focus"))) { + mOwner->Focus(); + } else if (type.Equals(NS_LITERAL_STRING("blur"))) { + mOwner->Blur(); + } else if (type.Equals(NS_LITERAL_STRING("keypress"))) { + rv = mOwner->Keypress(aEvent); + } else if (type.Equals(NS_LITERAL_STRING("keydown"))) { + rv = mOwner->KeyDown(aEvent); + } else if (type.Equals(NS_LITERAL_STRING("keyup"))) { + rv = mOwner->KeyUp(aEvent); + } + + return rv; +} + +nsMenuBar::nsMenuBar(nsIContent* aMenuBarNode) : + nsMenuContainer(new nsNativeMenuDocListener(aMenuBarNode), aMenuBarNode), + mTopLevel(nullptr), + mServer(nullptr), + mIsActive(false) { + MOZ_COUNT_CTOR(nsMenuBar); +} + +nsresult +nsMenuBar::Init(nsIWidget* aParent) { + MOZ_ASSERT(aParent); + + GdkWindow* gdkWin = static_cast<GdkWindow* >( + aParent->GetNativeData(NS_NATIVE_WINDOW)); + if (!gdkWin) { + return NS_ERROR_FAILURE; + } + + gpointer user_data = nullptr; + gdk_window_get_user_data(gdkWin, &user_data); + if (!user_data || !GTK_IS_CONTAINER(user_data)) { + return NS_ERROR_FAILURE; + } + + mTopLevel = gtk_widget_get_toplevel(GTK_WIDGET(user_data)); + if (!mTopLevel) { + return NS_ERROR_FAILURE; + } + + g_object_ref(mTopLevel); + + nsAutoCString path; + path.Append(NS_LITERAL_CSTRING("/com/canonical/menu/")); + char xid[10]; + sprintf(xid, "%X", static_cast<uint32_t>( + GDK_WINDOW_XID(gtk_widget_get_window(mTopLevel)))); + path.Append(xid); + + mServer = dbusmenu_server_new(path.get()); + if (!mServer) { + return NS_ERROR_FAILURE; + } + + CreateNativeData(); + if (!GetNativeData()) { + return NS_ERROR_FAILURE; + } + + dbusmenu_server_set_root(mServer, GetNativeData()); + + mEventListener = new DocEventListener(this); + + mDocument = do_QueryInterface(ContentNode()->OwnerDoc()); + + mAccessKey = Preferences::GetInt("ui.key.menuAccessKey"); + if (mAccessKey == nsIDOMKeyEvent::DOM_VK_SHIFT) { + mAccessKeyMask = eModifierShift; + } else if (mAccessKey == nsIDOMKeyEvent::DOM_VK_CONTROL) { + mAccessKeyMask = eModifierCtrl; + } else if (mAccessKey == nsIDOMKeyEvent::DOM_VK_ALT) { + mAccessKeyMask = eModifierAlt; + } else if (mAccessKey == nsIDOMKeyEvent::DOM_VK_META) { + mAccessKeyMask = eModifierMeta; + } else { + mAccessKeyMask = eModifierAlt; + } + + return NS_OK; +} + +void +nsMenuBar::Build() { + uint32_t count = ContentNode()->GetChildCount(); + for (uint32_t i = 0; i < count; ++i) { + nsIContent* childContent = ContentNode()->GetChildAt(i); + + UniquePtr<nsMenuObject> child = CreateChild(childContent); + + if (!child) { + continue; + } + + AppendChild(Move(child)); + } +} + +void +nsMenuBar::DisconnectDocumentEventListeners() { + mDocument->RemoveEventListener(NS_LITERAL_STRING("focus"), + mEventListener, + true); + mDocument->RemoveEventListener(NS_LITERAL_STRING("blur"), + mEventListener, + true); + mDocument->RemoveEventListener(NS_LITERAL_STRING("keypress"), + mEventListener, + false); + mDocument->RemoveEventListener(NS_LITERAL_STRING("keydown"), + mEventListener, + false); + mDocument->RemoveEventListener(NS_LITERAL_STRING("keyup"), + mEventListener, + false); +} + +void +nsMenuBar::SetShellShowingMenuBar(bool aShowing) { + ContentNode()->OwnerDoc()->GetRootElement()->SetAttr( + kNameSpaceID_None, nsNativeMenuAtoms::shellshowingmenubar, + aShowing ? NS_LITERAL_STRING("true") : NS_LITERAL_STRING("false"), + true); +} + +void +nsMenuBar::Focus() { + ContentNode()->SetAttr(kNameSpaceID_None, nsNativeMenuAtoms::openedwithkey, + NS_LITERAL_STRING("false"), true); +} + +void +nsMenuBar::Blur() { + // We do this here in case we lose focus before getting the + // keyup event, which leaves the menubar state looking like + // the alt key is stuck down + dbusmenu_server_set_status(mServer, DBUSMENU_STATUS_NORMAL); +} + +nsMenuBar::ModifierFlags +nsMenuBar::GetModifiersFromEvent(nsIDOMKeyEvent* aEvent) { + ModifierFlags modifiers = static_cast<ModifierFlags>(0); + bool modifier; + + aEvent->GetAltKey(&modifier); + if (modifier) { + modifiers = static_cast<ModifierFlags>(modifiers | eModifierAlt); + } + + aEvent->GetShiftKey(&modifier); + if (modifier) { + modifiers = static_cast<ModifierFlags>(modifiers | eModifierShift); + } + + aEvent->GetCtrlKey(&modifier); + if (modifier) { + modifiers = static_cast<ModifierFlags>(modifiers | eModifierCtrl); + } + + aEvent->GetMetaKey(&modifier); + if (modifier) { + modifiers = static_cast<ModifierFlags>(modifiers | eModifierMeta); + } + + return modifiers; +} + +nsresult +nsMenuBar::Keypress(nsIDOMEvent* aEvent) { + if (!ShouldHandleKeyEvent(aEvent)) { + return NS_OK; + } + + nsCOMPtr<nsIDOMKeyEvent> keyEvent = do_QueryInterface(aEvent); + if (!keyEvent) { + return NS_OK; + } + + ModifierFlags modifiers = GetModifiersFromEvent(keyEvent); + if (((modifiers & mAccessKeyMask) == 0) || + ((modifiers & ~mAccessKeyMask) != 0)) { + return NS_OK; + } + + uint32_t charCode; + keyEvent->GetCharCode(&charCode); + if (charCode == 0) { + return NS_OK; + } + + char16_t ch = char16_t(charCode); + char16_t chl = ToLowerCase(ch); + char16_t chu = ToUpperCase(ch); + + nsMenuObject* found = nullptr; + uint32_t count = ChildCount(); + for (uint32_t i = 0; i < count; ++i) { + nsAutoString accesskey; + ChildAt(i)->ContentNode()->GetAttr(kNameSpaceID_None, + nsGkAtoms::accesskey, + accesskey); + const nsAutoString::char_type* key = accesskey.BeginReading(); + if (*key == chu ||* key == chl) { + found = ChildAt(i); + break; + } + } + + if (!found || found->Type() != nsMenuObject::eType_Menu) { + return NS_OK; + } + + ContentNode()->SetAttr(kNameSpaceID_None, nsNativeMenuAtoms::openedwithkey, + NS_LITERAL_STRING("true"), true); + static_cast<nsMenu* >(found)->OpenMenu(); + + aEvent->StopPropagation(); + aEvent->PreventDefault(); + + return NS_OK; +} + +nsresult +nsMenuBar::KeyDown(nsIDOMEvent* aEvent) { + if (!ShouldHandleKeyEvent(aEvent)) { + return NS_OK; + } + + nsCOMPtr<nsIDOMKeyEvent> keyEvent = do_QueryInterface(aEvent); + if (!keyEvent) { + return NS_OK; + } + + uint32_t keyCode; + keyEvent->GetKeyCode(&keyCode); + ModifierFlags modifiers = GetModifiersFromEvent(keyEvent); + if ((keyCode != mAccessKey) || ((modifiers & ~mAccessKeyMask) != 0)) { + return NS_OK; + } + + dbusmenu_server_set_status(mServer, DBUSMENU_STATUS_NOTICE); + + return NS_OK; +} + +nsresult +nsMenuBar::KeyUp(nsIDOMEvent* aEvent) { + if (!ShouldHandleKeyEvent(aEvent)) { + return NS_OK; + } + + nsCOMPtr<nsIDOMKeyEvent> keyEvent = do_QueryInterface(aEvent); + if (!keyEvent) { + return NS_OK; + } + + uint32_t keyCode; + keyEvent->GetKeyCode(&keyCode); + if (keyCode == mAccessKey) { + dbusmenu_server_set_status(mServer, DBUSMENU_STATUS_NORMAL); + } + + return NS_OK; +} + +void +nsMenuBar::HandleContentInserted(nsIContent* aChild, nsIContent* aPrevSibling) { + UniquePtr<nsMenuObject> child = CreateChild(aChild); + + if (!child) { + return; + } + + InsertChildAfter(Move(child), aPrevSibling); +} + +void +nsMenuBar::HandleContentRemoved(nsIContent* aChild) { + RemoveChild(aChild); +} + +void +nsMenuBar::OnContentInserted(nsIContent* aContainer, nsIContent* aChild, + nsIContent* aPrevSibling) { + MOZ_ASSERT(aContainer == ContentNode(), + "Received an event that wasn't meant for us"); + + nsContentUtils::AddScriptRunner( + new nsMenuBarContentInsertedEvent(this, aChild, aPrevSibling)); +} + +void +nsMenuBar::OnContentRemoved(nsIContent* aContainer, nsIContent* aChild) { + MOZ_ASSERT(aContainer == ContentNode(), + "Received an event that wasn't meant for us"); + + nsContentUtils::AddScriptRunner( + new nsMenuBarContentRemovedEvent(this, aChild)); +} + +nsMenuBar::~nsMenuBar() { + nsNativeMenuService* service = nsNativeMenuService::GetSingleton(); + if (service) { + service->NotifyNativeMenuBarDestroyed(this); + } + + if (ContentNode()) { + SetShellShowingMenuBar(false); + } + + // We want to destroy all children before dropping our reference + // to the doc listener + while (ChildCount() > 0) { + RemoveChildAt(0); + } + + if (mTopLevel) { + g_object_unref(mTopLevel); + } + + if (DocListener()) { + DocListener()->Stop(); + } + + if (mDocument) { + DisconnectDocumentEventListeners(); + } + + if (mServer) { + g_object_unref(mServer); + } + + MOZ_COUNT_DTOR(nsMenuBar); +} + +/* static */ UniquePtr<nsMenuBar> +nsMenuBar::Create(nsIWidget* aParent, nsIContent* aMenuBarNode) { + UniquePtr<nsMenuBar> menubar(new nsMenuBar(aMenuBarNode)); + if (NS_FAILED(menubar->Init(aParent))) { + return nullptr; + } + + return Move(menubar); +} + +nsMenuObject::EType +nsMenuBar::Type() const { + return eType_MenuBar; +} + +bool +nsMenuBar::IsBeingDisplayed() const { + return true; +} + +uint32_t +nsMenuBar::WindowId() const { + return static_cast<uint32_t>(GDK_WINDOW_XID(gtk_widget_get_window(mTopLevel))); +} + +nsAdoptingCString +nsMenuBar::ObjectPath() const { + gchar* tmp; + g_object_get(mServer, DBUSMENU_SERVER_PROP_DBUS_OBJECT, &tmp, NULL); + nsAdoptingCString result(tmp); + + return result; +} + +void +nsMenuBar::Activate() { + if (mIsActive) { + return; + } + + mIsActive = true; + + mDocument->AddEventListener(NS_LITERAL_STRING("focus"), + mEventListener, + true); + mDocument->AddEventListener(NS_LITERAL_STRING("blur"), + mEventListener, + true); + mDocument->AddEventListener(NS_LITERAL_STRING("keypress"), + mEventListener, + false); + mDocument->AddEventListener(NS_LITERAL_STRING("keydown"), + mEventListener, + false); + mDocument->AddEventListener(NS_LITERAL_STRING("keyup"), + mEventListener, + false); + + // Clear this. Not sure if we really need to though + ContentNode()->SetAttr(kNameSpaceID_None, nsNativeMenuAtoms::openedwithkey, + NS_LITERAL_STRING("false"), true); + + DocListener()->Start(); + Build(); + SetShellShowingMenuBar(true); +} + +void +nsMenuBar::Deactivate() { + if (!mIsActive) { + return; + } + + mIsActive = false; + + SetShellShowingMenuBar(false); + while (ChildCount() > 0) { + RemoveChildAt(0); + } + DocListener()->Stop(); + DisconnectDocumentEventListeners(); +} diff --git a/widget/gtk/nsMenuBar.h b/widget/gtk/nsMenuBar.h new file mode 100644 index 0000000000..9ce1796512 --- /dev/null +++ b/widget/gtk/nsMenuBar.h @@ -0,0 +1,103 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsMenuBar_h__ +#define __nsMenuBar_h__ + +#include "mozilla/Attributes.h" +#include "mozilla/UniquePtr.h" +#include "nsCOMPtr.h" +#include "nsString.h" + +#include "nsDbusmenu.h" +#include "nsMenuContainer.h" +#include "nsMenuObject.h" + +#include <gtk/gtk.h> + +class nsIAtom; +class nsIContent; +class nsIDOMEvent; +class nsIDOMKeyEvent; +class nsIWidget; +class nsMenuBarDocEventListener; + +/* + * The menubar class. There is one of these per window (and the window + * owns its menubar). Each menubar has an object path, and the service is + * responsible for telling the desktop shell which object path corresponds + * to a particular window. A menubar and its hierarchy also own a + * nsNativeMenuDocListener. + */ +class nsMenuBar final : public nsMenuContainer { +public: + ~nsMenuBar() override; + + static mozilla::UniquePtr<nsMenuBar> Create(nsIWidget* aParent, + nsIContent* aMenuBarNode); + + nsMenuObject::EType Type() const override; + + bool IsBeingDisplayed() const override; + + // Get the native window ID for this menubar + uint32_t WindowId() const; + + // Get the object path for this menubar + nsAdoptingCString ObjectPath() const; + + // Get the top-level GtkWindow handle + GtkWidget* TopLevelWindow() { return mTopLevel; } + + // Called from the menuservice when the menubar is about to be registered. + // Causes the native menubar to be created, and the XUL menubar to be hidden + void Activate(); + + // Called from the menuservice when the menubar is no longer registered + // with the desktop shell. Will cause the XUL menubar to be shown again + void Deactivate(); + +private: + class DocEventListener; + friend class nsMenuBarContentInsertedEvent; + friend class nsMenuBarContentRemovedEvent; + + enum ModifierFlags { + eModifierShift = (1 << 0), + eModifierCtrl = (1 << 1), + eModifierAlt = (1 << 2), + eModifierMeta = (1 << 3) + }; + + nsMenuBar(nsIContent* aMenuBarNode); + nsresult Init(nsIWidget* aParent); + void Build(); + void DisconnectDocumentEventListeners(); + void SetShellShowingMenuBar(bool aShowing); + void Focus(); + void Blur(); + ModifierFlags GetModifiersFromEvent(nsIDOMKeyEvent* aEvent); + nsresult Keypress(nsIDOMEvent* aEvent); + nsresult KeyDown(nsIDOMEvent* aEvent); + nsresult KeyUp(nsIDOMEvent* aEvent); + + void HandleContentInserted(nsIContent* aChild, + nsIContent* aPrevSibling); + void HandleContentRemoved(nsIContent* aChild); + + void OnContentInserted(nsIContent* aContainer, nsIContent* aChild, + nsIContent* aPrevSibling) override; + void OnContentRemoved(nsIContent* aContainer, nsIContent* aChild) override; + + GtkWidget* mTopLevel; + DbusmenuServer* mServer; + nsCOMPtr<nsIDOMEventTarget> mDocument; + RefPtr<DocEventListener> mEventListener; + + uint32_t mAccessKey; + ModifierFlags mAccessKeyMask; + bool mIsActive; +}; + +#endif /* __nsMenuBar_h__ */ diff --git a/widget/gtk/nsMenuContainer.cpp b/widget/gtk/nsMenuContainer.cpp new file mode 100644 index 0000000000..081e98a6ae --- /dev/null +++ b/widget/gtk/nsMenuContainer.cpp @@ -0,0 +1,156 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/DebugOnly.h" +#include "mozilla/Move.h" +#include "nsGkAtoms.h" +#include "nsIAtom.h" +#include "nsIContent.h" + +#include "nsDbusmenu.h" +#include "nsMenu.h" +#include "nsMenuItem.h" +#include "nsMenuSeparator.h" + +#include "nsMenuContainer.h" + +using namespace mozilla; + +const nsMenuContainer::ChildTArray::index_type nsMenuContainer::NoIndex = nsMenuContainer::ChildTArray::NoIndex; + +typedef UniquePtr<nsMenuObject> (*nsMenuObjectConstructor)(nsMenuContainer*, + nsIContent*); + +template<class T> +static UniquePtr<nsMenuObject> CreateMenuObject(nsMenuContainer* aContainer, + nsIContent* aContent) { + return UniquePtr<T>(new T(aContainer, aContent)); +} + +static nsMenuObjectConstructor +GetMenuObjectConstructor(nsIContent* aContent) { + if (aContent->IsXULElement(nsGkAtoms::menuitem)) { + return CreateMenuObject<nsMenuItem>; + } else if (aContent->IsXULElement(nsGkAtoms::menu)) { + return CreateMenuObject<nsMenu>; + } else if (aContent->IsXULElement(nsGkAtoms::menuseparator)) { + return CreateMenuObject<nsMenuSeparator>; + } + + return nullptr; +} + +static bool +ContentIsSupported(nsIContent* aContent) { + return GetMenuObjectConstructor(aContent) ? true : false; +} + +nsMenuContainer::nsMenuContainer(nsMenuContainer* aParent, + nsIContent* aContent) : + nsMenuObject(aParent, aContent) { +} + +nsMenuContainer::nsMenuContainer(nsNativeMenuDocListener* aListener, + nsIContent* aContent) : + nsMenuObject(aListener, aContent) { +} + +UniquePtr<nsMenuObject> +nsMenuContainer::CreateChild(nsIContent* aContent) { + nsMenuObjectConstructor ctor = GetMenuObjectConstructor(aContent); + if (!ctor) { + // There are plenty of node types we might stumble across that + // aren't supported + return nullptr; + } + + UniquePtr<nsMenuObject> res = ctor(this, aContent); + return Move(res); +} + +size_t +nsMenuContainer::IndexOf(nsIContent* aChild) const { + if (!aChild) { + return NoIndex; + } + + size_t count = ChildCount(); + for (size_t i = 0; i < count; ++i) { + if (ChildAt(i)->ContentNode() == aChild) { + return i; + } + } + + return NoIndex; +} + +void +nsMenuContainer::RemoveChildAt(size_t aIndex, bool aUpdateNative) { + MOZ_ASSERT(aIndex < ChildCount()); + + if (aUpdateNative) { + MOZ_ALWAYS_TRUE( + dbusmenu_menuitem_child_delete(GetNativeData(), + ChildAt(aIndex)->GetNativeData())); + } + + mChildren.RemoveElementAt(aIndex); +} + +void +nsMenuContainer::RemoveChild(nsIContent* aChild, bool aUpdateNative) { + size_t index = IndexOf(aChild); + if (index == NoIndex) { + return; + } + + RemoveChildAt(index, aUpdateNative); +} + +void +nsMenuContainer::InsertChildAfter(UniquePtr<nsMenuObject> aChild, + nsIContent* aPrevSibling, + bool aUpdateNative) { + size_t index = IndexOf(aPrevSibling); + MOZ_ASSERT(!aPrevSibling || index != NoIndex); + + ++index; + + if (aUpdateNative) { + aChild->CreateNativeData(); + MOZ_ALWAYS_TRUE( + dbusmenu_menuitem_child_add_position(GetNativeData(), + aChild->GetNativeData(), + index)); + } + + MOZ_ALWAYS_TRUE(mChildren.InsertElementAt(index, Move(aChild))); +} + +void +nsMenuContainer::AppendChild(UniquePtr<nsMenuObject> aChild, + bool aUpdateNative) { + if (aUpdateNative) { + aChild->CreateNativeData(); + MOZ_ALWAYS_TRUE( + dbusmenu_menuitem_child_append(GetNativeData(), + aChild->GetNativeData())); + } + + MOZ_ALWAYS_TRUE(mChildren.AppendElement(Move(aChild))); +} + +bool +nsMenuContainer::NeedsRebuild() const { + return false; +} + +/* static */ nsIContent* +nsMenuContainer::GetPreviousSupportedSibling(nsIContent* aContent) { + do { + aContent = aContent->GetPreviousSibling(); + } while (aContent && !ContentIsSupported(aContent)); + + return aContent; +} diff --git a/widget/gtk/nsMenuContainer.h b/widget/gtk/nsMenuContainer.h new file mode 100644 index 0000000000..95d65a2f1e --- /dev/null +++ b/widget/gtk/nsMenuContainer.h @@ -0,0 +1,66 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsMenuContainer_h__ +#define __nsMenuContainer_h__ + +#include "mozilla/UniquePtr.h" +#include "nsTArray.h" + +#include "nsMenuObject.h" + +class nsIContent; +class nsNativeMenuDocListener; + +// Base class for containers (menus and menubars) +class nsMenuContainer : public nsMenuObject { +public: + typedef nsTArray<mozilla::UniquePtr<nsMenuObject> > ChildTArray; + + // Determine if this container is being displayed on screen. Must be + // implemented by subclasses. Must return true if the container is + // in the fully open state, or false otherwise + virtual bool IsBeingDisplayed() const = 0; + + // Determine if this container will be rebuilt the next time it opens. + // Returns false by default but can be overridden by subclasses + virtual bool NeedsRebuild() const; + + // Return the first previous sibling that is of a type supported by the + // menu system + static nsIContent* GetPreviousSupportedSibling(nsIContent* aContent); + + static const ChildTArray::index_type NoIndex; + +protected: + nsMenuContainer(nsMenuContainer* aParent, nsIContent* aContent); + nsMenuContainer(nsNativeMenuDocListener* aListener, nsIContent* aContent); + + // Create a new child element for the specified content node + mozilla::UniquePtr<nsMenuObject> CreateChild(nsIContent* aContent); + + // Return the index of the child for the specified content node + size_t IndexOf(nsIContent* aChild) const; + + size_t ChildCount() const { return mChildren.Length(); } + nsMenuObject* ChildAt(size_t aIndex) const { return mChildren[aIndex].get(); } + + void RemoveChildAt(size_t aIndex, bool aUpdateNative = true); + + // Remove the child that owns the specified content node + void RemoveChild(nsIContent* aChild, bool aUpdateNative = true); + + // Insert a new child after the child that owns the specified content node + void InsertChildAfter(mozilla::UniquePtr<nsMenuObject> aChild, + nsIContent* aPrevSibling, + bool aUpdateNative = true); + + void AppendChild(mozilla::UniquePtr<nsMenuObject> aChild, + bool aUpdateNative = true); + +private: + ChildTArray mChildren; +}; + +#endif /* __nsMenuContainer_h__ */ diff --git a/widget/gtk/nsMenuItem.cpp b/widget/gtk/nsMenuItem.cpp new file mode 100644 index 0000000000..00cc5477c9 --- /dev/null +++ b/widget/gtk/nsMenuItem.cpp @@ -0,0 +1,712 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/ArrayUtils.h" +#include "mozilla/Assertions.h" +#include "mozilla/dom/Element.h" +#include "mozilla/Move.h" +#include "mozilla/Preferences.h" +#include "mozilla/TextEvents.h" +#include "nsAutoPtr.h" +#include "nsContentUtils.h" +#include "nsCRT.h" +#include "nsGkAtoms.h" +#include "nsGtkUtils.h" +#include "nsIContent.h" +#include "nsIDocument.h" +#include "nsIDOMDocument.h" +#include "nsIDOMEvent.h" +#include "nsIDOMEventTarget.h" +#include "nsIDOMKeyEvent.h" +#include "nsIDOMXULCommandEvent.h" +#include "nsIRunnable.h" +#include "nsReadableUtils.h" +#include "nsString.h" +#include "nsStyleContext.h" +#include "nsThreadUtils.h" + +#include "nsMenu.h" +#include "nsMenuBar.h" +#include "nsMenuContainer.h" +#include "nsNativeMenuDocListener.h" + +#include <gdk/gdk.h> +#include <gdk/gdkkeysyms.h> +#if (MOZ_WIDGET_GTK == 3) +#include <gdk/gdkkeysyms-compat.h> +#endif +#include <gdk/gdkx.h> +#include <gtk/gtk.h> + +#include "nsMenuItem.h" + +using namespace mozilla; + +struct KeyCodeData { + const char* str; + size_t strlength; + uint32_t keycode; +}; + +static struct KeyCodeData gKeyCodes[] = { +#define NS_DEFINE_VK(aDOMKeyName, aDOMKeyCode) \ + { #aDOMKeyName, sizeof(#aDOMKeyName) - 1, aDOMKeyCode }, +#include "mozilla/VirtualKeyCodeList.h" +#undef NS_DEFINE_VK + { nullptr, 0, 0 } +}; + +struct KeyPair { + uint32_t DOMKeyCode; + guint GDKKeyval; +}; + +// +// Netscape keycodes are defined in widget/public/nsGUIEvent.h +// GTK keycodes are defined in <gdk/gdkkeysyms.h> +// +static const KeyPair gKeyPairs[] = { + { NS_VK_CANCEL, GDK_Cancel }, + { NS_VK_BACK, GDK_BackSpace }, + { NS_VK_TAB, GDK_Tab }, + { NS_VK_TAB, GDK_ISO_Left_Tab }, + { NS_VK_CLEAR, GDK_Clear }, + { NS_VK_RETURN, GDK_Return }, + { NS_VK_SHIFT, GDK_Shift_L }, + { NS_VK_SHIFT, GDK_Shift_R }, + { NS_VK_SHIFT, GDK_Shift_Lock }, + { NS_VK_CONTROL, GDK_Control_L }, + { NS_VK_CONTROL, GDK_Control_R }, + { NS_VK_ALT, GDK_Alt_L }, + { NS_VK_ALT, GDK_Alt_R }, + { NS_VK_META, GDK_Meta_L }, + { NS_VK_META, GDK_Meta_R }, + + // Assume that Super or Hyper is always mapped to physical Win key. + { NS_VK_WIN, GDK_Super_L }, + { NS_VK_WIN, GDK_Super_R }, + { NS_VK_WIN, GDK_Hyper_L }, + { NS_VK_WIN, GDK_Hyper_R }, + + // GTK's AltGraph key is similar to Mac's Option (Alt) key. However, + // unfortunately, browsers on Mac are using NS_VK_ALT for it even though + // it's really different from Alt key on Windows. + // On the other hand, GTK's AltGrapsh keys are really different from + // Alt key. However, there is no AltGrapsh key on Windows. On Windows, + // both Ctrl and Alt keys are pressed internally when AltGr key is pressed. + // For some languages' users, AltGraph key is important, so, web + // applications on such locale may want to know AltGraph key press. + // Therefore, we should map AltGr keycode for them only on GTK. + { NS_VK_ALTGR, GDK_ISO_Level3_Shift }, + { NS_VK_ALTGR, GDK_ISO_Level5_Shift }, + // We assume that Mode_switch is always used for level3 shift. + { NS_VK_ALTGR, GDK_Mode_switch }, + + { NS_VK_PAUSE, GDK_Pause }, + { NS_VK_CAPS_LOCK, GDK_Caps_Lock }, + { NS_VK_KANA, GDK_Kana_Lock }, + { NS_VK_KANA, GDK_Kana_Shift }, + { NS_VK_HANGUL, GDK_Hangul }, + // { NS_VK_JUNJA, GDK_XXX }, + // { NS_VK_FINAL, GDK_XXX }, + { NS_VK_HANJA, GDK_Hangul_Hanja }, + { NS_VK_KANJI, GDK_Kanji }, + { NS_VK_ESCAPE, GDK_Escape }, + { NS_VK_CONVERT, GDK_Henkan }, + { NS_VK_NONCONVERT, GDK_Muhenkan }, + // { NS_VK_ACCEPT, GDK_XXX }, + // { NS_VK_MODECHANGE, GDK_XXX }, + { NS_VK_SPACE, GDK_space }, + { NS_VK_PAGE_UP, GDK_Page_Up }, + { NS_VK_PAGE_DOWN, GDK_Page_Down }, + { NS_VK_END, GDK_End }, + { NS_VK_HOME, GDK_Home }, + { NS_VK_LEFT, GDK_Left }, + { NS_VK_UP, GDK_Up }, + { NS_VK_RIGHT, GDK_Right }, + { NS_VK_DOWN, GDK_Down }, + { NS_VK_SELECT, GDK_Select }, + { NS_VK_PRINT, GDK_Print }, + { NS_VK_EXECUTE, GDK_Execute }, + { NS_VK_PRINTSCREEN, GDK_Print }, + { NS_VK_INSERT, GDK_Insert }, + { NS_VK_DELETE, GDK_Delete }, + { NS_VK_HELP, GDK_Help }, + + // keypad keys + { NS_VK_LEFT, GDK_KP_Left }, + { NS_VK_RIGHT, GDK_KP_Right }, + { NS_VK_UP, GDK_KP_Up }, + { NS_VK_DOWN, GDK_KP_Down }, + { NS_VK_PAGE_UP, GDK_KP_Page_Up }, + // Not sure what these are + //{ NS_VK_, GDK_KP_Prior }, + //{ NS_VK_, GDK_KP_Next }, + { NS_VK_CLEAR, GDK_KP_Begin }, // Num-unlocked 5 + { NS_VK_PAGE_DOWN, GDK_KP_Page_Down }, + { NS_VK_HOME, GDK_KP_Home }, + { NS_VK_END, GDK_KP_End }, + { NS_VK_INSERT, GDK_KP_Insert }, + { NS_VK_DELETE, GDK_KP_Delete }, + { NS_VK_RETURN, GDK_KP_Enter }, + + { NS_VK_NUM_LOCK, GDK_Num_Lock }, + { NS_VK_SCROLL_LOCK,GDK_Scroll_Lock }, + + // Function keys + { NS_VK_F1, GDK_F1 }, + { NS_VK_F2, GDK_F2 }, + { NS_VK_F3, GDK_F3 }, + { NS_VK_F4, GDK_F4 }, + { NS_VK_F5, GDK_F5 }, + { NS_VK_F6, GDK_F6 }, + { NS_VK_F7, GDK_F7 }, + { NS_VK_F8, GDK_F8 }, + { NS_VK_F9, GDK_F9 }, + { NS_VK_F10, GDK_F10 }, + { NS_VK_F11, GDK_F11 }, + { NS_VK_F12, GDK_F12 }, + { NS_VK_F13, GDK_F13 }, + { NS_VK_F14, GDK_F14 }, + { NS_VK_F15, GDK_F15 }, + { NS_VK_F16, GDK_F16 }, + { NS_VK_F17, GDK_F17 }, + { NS_VK_F18, GDK_F18 }, + { NS_VK_F19, GDK_F19 }, + { NS_VK_F20, GDK_F20 }, + { NS_VK_F21, GDK_F21 }, + { NS_VK_F22, GDK_F22 }, + { NS_VK_F23, GDK_F23 }, + { NS_VK_F24, GDK_F24 }, + + // context menu key, keysym 0xff67, typically keycode 117 on 105-key (Microsoft) + // x86 keyboards, located between right 'Windows' key and right Ctrl key + { NS_VK_CONTEXT_MENU, GDK_Menu }, + { NS_VK_SLEEP, GDK_Sleep }, + + { NS_VK_ATTN, GDK_3270_Attn }, + { NS_VK_CRSEL, GDK_3270_CursorSelect }, + { NS_VK_EXSEL, GDK_3270_ExSelect }, + { NS_VK_EREOF, GDK_3270_EraseEOF }, + { NS_VK_PLAY, GDK_3270_Play }, + //{ NS_VK_ZOOM, GDK_XXX }, + { NS_VK_PA1, GDK_3270_PA1 }, +}; + +static guint +ConvertGeckoKeyNameToGDKKeyval(nsAString& aKeyName) { + NS_ConvertUTF16toUTF8 keyName(aKeyName); + ToUpperCase(keyName); // We want case-insensitive comparison with data + // stored as uppercase. + + uint32_t keyCode = 0; + + uint32_t keyNameLength = keyName.Length(); + const char* keyNameStr = keyName.get(); + for (uint16_t i = 0; i < ArrayLength(gKeyCodes); ++i) { + if (keyNameLength == gKeyCodes[i].strlength && + !nsCRT::strcmp(gKeyCodes[i].str, keyNameStr)) { + keyCode = gKeyCodes[i].keycode; + break; + } + } + + // First, try to handle alphanumeric input, not listed in nsKeycodes: + // most likely, more letters will be getting typed in than things in + // the key list, so we will look through these first. + + if (keyCode >= NS_VK_A && keyCode <= NS_VK_Z) { + // gdk and DOM both use the ASCII codes for these keys. + return keyCode; + } + + // numbers + if (keyCode >= NS_VK_0 && keyCode <= NS_VK_9) { + // gdk and DOM both use the ASCII codes for these keys. + return keyCode - NS_VK_0 + GDK_0; + } + + switch (keyCode) { + // keys in numpad + case NS_VK_MULTIPLY: return GDK_KP_Multiply; + case NS_VK_ADD: return GDK_KP_Add; + case NS_VK_SEPARATOR: return GDK_KP_Separator; + case NS_VK_SUBTRACT: return GDK_KP_Subtract; + case NS_VK_DECIMAL: return GDK_KP_Decimal; + case NS_VK_DIVIDE: return GDK_KP_Divide; + case NS_VK_NUMPAD0: return GDK_KP_0; + case NS_VK_NUMPAD1: return GDK_KP_1; + case NS_VK_NUMPAD2: return GDK_KP_2; + case NS_VK_NUMPAD3: return GDK_KP_3; + case NS_VK_NUMPAD4: return GDK_KP_4; + case NS_VK_NUMPAD5: return GDK_KP_5; + case NS_VK_NUMPAD6: return GDK_KP_6; + case NS_VK_NUMPAD7: return GDK_KP_7; + case NS_VK_NUMPAD8: return GDK_KP_8; + case NS_VK_NUMPAD9: return GDK_KP_9; + // other prinable keys + case NS_VK_SPACE: return GDK_space; + case NS_VK_COLON: return GDK_colon; + case NS_VK_SEMICOLON: return GDK_semicolon; + case NS_VK_LESS_THAN: return GDK_less; + case NS_VK_EQUALS: return GDK_equal; + case NS_VK_GREATER_THAN: return GDK_greater; + case NS_VK_QUESTION_MARK: return GDK_question; + case NS_VK_AT: return GDK_at; + case NS_VK_CIRCUMFLEX: return GDK_asciicircum; + case NS_VK_EXCLAMATION: return GDK_exclam; + case NS_VK_DOUBLE_QUOTE: return GDK_quotedbl; + case NS_VK_HASH: return GDK_numbersign; + case NS_VK_DOLLAR: return GDK_dollar; + case NS_VK_PERCENT: return GDK_percent; + case NS_VK_AMPERSAND: return GDK_ampersand; + case NS_VK_UNDERSCORE: return GDK_underscore; + case NS_VK_OPEN_PAREN: return GDK_parenleft; + case NS_VK_CLOSE_PAREN: return GDK_parenright; + case NS_VK_ASTERISK: return GDK_asterisk; + case NS_VK_PLUS: return GDK_plus; + case NS_VK_PIPE: return GDK_bar; + case NS_VK_HYPHEN_MINUS: return GDK_minus; + case NS_VK_OPEN_CURLY_BRACKET: return GDK_braceleft; + case NS_VK_CLOSE_CURLY_BRACKET: return GDK_braceright; + case NS_VK_TILDE: return GDK_asciitilde; + case NS_VK_COMMA: return GDK_comma; + case NS_VK_PERIOD: return GDK_period; + case NS_VK_SLASH: return GDK_slash; + case NS_VK_BACK_QUOTE: return GDK_grave; + case NS_VK_OPEN_BRACKET: return GDK_bracketleft; + case NS_VK_BACK_SLASH: return GDK_backslash; + case NS_VK_CLOSE_BRACKET: return GDK_bracketright; + case NS_VK_QUOTE: return GDK_apostrophe; + } + + // misc other things + for (uint32_t i = 0; i < ArrayLength(gKeyPairs); ++i) { + if (gKeyPairs[i].DOMKeyCode == keyCode) { + return gKeyPairs[i].GDKKeyval; + } + } + + return 0; +} + +class nsMenuItemUncheckSiblingsRunnable final : public Runnable { +public: + NS_IMETHODIMP Run() { + if (mMenuItem) { + static_cast<nsMenuItem* >(mMenuItem.get())->UncheckSiblings(); + } + return NS_OK; + } + + nsMenuItemUncheckSiblingsRunnable(nsMenuItem* aMenuItem) : + mMenuItem(aMenuItem) { }; + +private: + nsWeakMenuObject mMenuItem; +}; + +bool +nsMenuItem::IsCheckboxOrRadioItem() const { + return mType == eMenuItemType_Radio || + mType == eMenuItemType_CheckBox; +} + +/* static */ void +nsMenuItem::item_activated_cb(DbusmenuMenuitem* menuitem, + guint timestamp, + gpointer user_data) { + nsMenuItem* item = static_cast<nsMenuItem* >(user_data); + item->Activate(timestamp); +} + +void +nsMenuItem::Activate(uint32_t aTimestamp) { + GdkWindow* window = gtk_widget_get_window(MenuBar()->TopLevelWindow()); + gdk_x11_window_set_user_time( + window, std::min(aTimestamp, gdk_x11_get_server_time(window))); + + // We do this to avoid mutating our view of the menu until + // after we have finished + nsNativeMenuDocListener::BlockUpdatesScope updatesBlocker; + + if (!ContentNode()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::autocheck, + nsGkAtoms::_false, eCaseMatters) && + (mType == eMenuItemType_CheckBox || + (mType == eMenuItemType_Radio && !mIsChecked))) { + ContentNode()->SetAttr(kNameSpaceID_None, nsGkAtoms::checked, + mIsChecked ? + NS_LITERAL_STRING("false") : NS_LITERAL_STRING("true"), + true); + } + + nsIDocument* doc = ContentNode()->OwnerDoc(); + nsCOMPtr<nsIDOMEventTarget> target = do_QueryInterface(ContentNode()); + nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(doc); + if (domDoc && target) { + nsCOMPtr<nsIDOMEvent> event; + domDoc->CreateEvent(NS_LITERAL_STRING("xulcommandevent"), + getter_AddRefs(event)); + nsCOMPtr<nsIDOMXULCommandEvent> command = do_QueryInterface(event); + if (command) { + command->InitCommandEvent(NS_LITERAL_STRING("command"), + true, true, doc->GetInnerWindow(), 0, + false, false, false, false, nullptr); + + event->SetTrusted(true); + bool dummy; + target->DispatchEvent(event, &dummy); + } + } + + // This kinda sucks, but Unity doesn't send a closed event + // after activating a menuitem + nsMenuObject* ancestor = Parent(); + while (ancestor && ancestor->Type() == eType_Menu) { + static_cast<nsMenu* >(ancestor)->OnClose(); + ancestor = ancestor->Parent(); + } +} + +void +nsMenuItem::CopyAttrFromNodeIfExists(nsIContent* aContent, nsIAtom* aAttribute) { + nsAutoString value; + if (aContent->GetAttr(kNameSpaceID_None, aAttribute, value)) { + ContentNode()->SetAttr(kNameSpaceID_None, aAttribute, value, true); + } +} + +void +nsMenuItem::UpdateState() { + if (!IsCheckboxOrRadioItem()) { + return; + } + + mIsChecked = ContentNode()->AttrValueIs(kNameSpaceID_None, + nsGkAtoms::checked, + nsGkAtoms::_true, + eCaseMatters); + dbusmenu_menuitem_property_set_int(GetNativeData(), + DBUSMENU_MENUITEM_PROP_TOGGLE_STATE, + mIsChecked ? + DBUSMENU_MENUITEM_TOGGLE_STATE_CHECKED : + DBUSMENU_MENUITEM_TOGGLE_STATE_UNCHECKED); +} + +void +nsMenuItem::UpdateTypeAndState() { + static nsIContent::AttrValuesArray attrs[] = + { &nsGkAtoms::checkbox, &nsGkAtoms::radio, nullptr }; + int32_t type = ContentNode()->FindAttrValueIn(kNameSpaceID_None, + nsGkAtoms::type, + attrs, eCaseMatters); + + if (type >= 0 && type < 2) { + if (type == 0) { + dbusmenu_menuitem_property_set(GetNativeData(), + DBUSMENU_MENUITEM_PROP_TOGGLE_TYPE, + DBUSMENU_MENUITEM_TOGGLE_CHECK); + mType = eMenuItemType_CheckBox; + } else if (type == 1) { + dbusmenu_menuitem_property_set(GetNativeData(), + DBUSMENU_MENUITEM_PROP_TOGGLE_TYPE, + DBUSMENU_MENUITEM_TOGGLE_RADIO); + mType = eMenuItemType_Radio; + } + + UpdateState(); + } else { + dbusmenu_menuitem_property_remove(GetNativeData(), + DBUSMENU_MENUITEM_PROP_TOGGLE_TYPE); + dbusmenu_menuitem_property_remove(GetNativeData(), + DBUSMENU_MENUITEM_PROP_TOGGLE_STATE); + mType = eMenuItemType_Normal; + } +} + +void +nsMenuItem::UpdateAccel() { + nsIDocument* doc = ContentNode()->GetUncomposedDoc(); + if (doc) { + nsCOMPtr<nsIContent> oldKeyContent; + oldKeyContent.swap(mKeyContent); + + nsAutoString key; + ContentNode()->GetAttr(kNameSpaceID_None, nsGkAtoms::key, key); + if (!key.IsEmpty()) { + mKeyContent = doc->GetElementById(key); + } + + if (mKeyContent != oldKeyContent) { + if (oldKeyContent) { + DocListener()->UnregisterForContentChanges(oldKeyContent); + } + if (mKeyContent) { + DocListener()->RegisterForContentChanges(mKeyContent, this); + } + } + } + + if (!mKeyContent) { + dbusmenu_menuitem_property_remove(GetNativeData(), + DBUSMENU_MENUITEM_PROP_SHORTCUT); + return; + } + + nsAutoString modifiers; + mKeyContent->GetAttr(kNameSpaceID_None, nsGkAtoms::modifiers, modifiers); + + uint32_t modifier = 0; + + if (!modifiers.IsEmpty()) { + char* str = ToNewUTF8String(modifiers); + char* token = strtok(str, ", \t"); + while(token) { + if (nsCRT::strcmp(token, "shift") == 0) { + modifier |= GDK_SHIFT_MASK; + } else if (nsCRT::strcmp(token, "alt") == 0) { + modifier |= GDK_MOD1_MASK; + } else if (nsCRT::strcmp(token, "meta") == 0) { + modifier |= GDK_META_MASK; + } else if (nsCRT::strcmp(token, "control") == 0) { + modifier |= GDK_CONTROL_MASK; + } else if (nsCRT::strcmp(token, "accel") == 0) { + int32_t accel = Preferences::GetInt("ui.key.accelKey"); + if (accel == nsIDOMKeyEvent::DOM_VK_META) { + modifier |= GDK_META_MASK; + } else if (accel == nsIDOMKeyEvent::DOM_VK_ALT) { + modifier |= GDK_MOD1_MASK; + } else { + modifier |= GDK_CONTROL_MASK; + } + } + + token = strtok(nullptr, ", \t"); + } + + free(str); + } + + nsAutoString keyStr; + mKeyContent->GetAttr(kNameSpaceID_None, nsGkAtoms::key, keyStr); + + guint key = 0; + if (!keyStr.IsEmpty()) { + key = gdk_unicode_to_keyval(*keyStr.BeginReading()); + } + + if (key == 0) { + mKeyContent->GetAttr(kNameSpaceID_None, nsGkAtoms::keycode, keyStr); + if (!keyStr.IsEmpty()) { + key = ConvertGeckoKeyNameToGDKKeyval(keyStr); + } + } + + if (key == 0) { + key = GDK_VoidSymbol; + } + + if (key != GDK_VoidSymbol) { + dbusmenu_menuitem_property_set_shortcut(GetNativeData(), key, + static_cast<GdkModifierType>(modifier)); + } else { + dbusmenu_menuitem_property_remove(GetNativeData(), + DBUSMENU_MENUITEM_PROP_SHORTCUT); + } +} + +nsMenuBar* +nsMenuItem::MenuBar() { + nsMenuObject* tmp = this; + while (tmp->Parent()) { + tmp = tmp->Parent(); + } + + MOZ_ASSERT(tmp->Type() == eType_MenuBar, "The top-level should be a menubar"); + + return static_cast<nsMenuBar* >(tmp); +} + +void +nsMenuItem::UncheckSiblings() { + if (!ContentNode()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::radio, eCaseMatters)) { + // If we're not a radio button, we don't care + return; + } + + nsAutoString name; + ContentNode()->GetAttr(kNameSpaceID_None, nsGkAtoms::name, name); + + nsIContent* parent = ContentNode()->GetParent(); + if (!parent) { + return; + } + + uint32_t count = parent->GetChildCount(); + for (uint32_t i = 0; i < count; ++i) { + nsIContent* sibling = parent->GetChildAt(i); + + nsAutoString otherName; + sibling->GetAttr(kNameSpaceID_None, nsGkAtoms::name, otherName); + + if (sibling != ContentNode() && otherName == name && + sibling->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::radio, eCaseMatters)) { + sibling->UnsetAttr(kNameSpaceID_None, nsGkAtoms::checked, true); + } + } +} + +void +nsMenuItem::InitializeNativeData() { + g_signal_connect(G_OBJECT(GetNativeData()), + DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, + G_CALLBACK(item_activated_cb), this); + mNeedsUpdate = true; +} + +void +nsMenuItem::UpdateContentAttributes() { + nsIDocument* doc = ContentNode()->GetUncomposedDoc(); + if (!doc) { + return; + } + + nsAutoString command; + ContentNode()->GetAttr(kNameSpaceID_None, nsGkAtoms::command, command); + if (command.IsEmpty()) { + return; + } + + nsCOMPtr<nsIContent> commandContent = doc->GetElementById(command); + if (!commandContent) { + return; + } + + if (commandContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::disabled, + nsGkAtoms::_true, eCaseMatters)) { + ContentNode()->SetAttr(kNameSpaceID_None, nsGkAtoms::disabled, + NS_LITERAL_STRING("true"), true); + } else { + ContentNode()->UnsetAttr(kNameSpaceID_None, nsGkAtoms::disabled, true); + } + + CopyAttrFromNodeIfExists(commandContent, nsGkAtoms::checked); + CopyAttrFromNodeIfExists(commandContent, nsGkAtoms::accesskey); + CopyAttrFromNodeIfExists(commandContent, nsGkAtoms::label); + CopyAttrFromNodeIfExists(commandContent, nsGkAtoms::hidden); +} + +void +nsMenuItem::Update(nsStyleContext* aStyleContext) { + if (mNeedsUpdate) { + mNeedsUpdate = false; + + UpdateTypeAndState(); + UpdateAccel(); + UpdateLabel(); + UpdateSensitivity(); + } + + UpdateVisibility(aStyleContext); + UpdateIcon(aStyleContext); +} + +bool +nsMenuItem::IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const { + return nsCRT::strcmp(dbusmenu_menuitem_property_get(aNativeData, + DBUSMENU_MENUITEM_PROP_TYPE), + "separator") != 0; +} + +nsMenuObject::PropertyFlags +nsMenuItem::SupportedProperties() const { + return static_cast<nsMenuObject::PropertyFlags>( + nsMenuObject::ePropLabel | + nsMenuObject::ePropEnabled | + nsMenuObject::ePropVisible | + nsMenuObject::ePropIconData | + nsMenuObject::ePropShortcut | + nsMenuObject::ePropToggleType | + nsMenuObject::ePropToggleState + ); +} + +void +nsMenuItem::OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) { + MOZ_ASSERT(aContent == ContentNode() || aContent == mKeyContent, + "Received an event that wasn't meant for us!"); + + if (aContent == ContentNode() && aAttribute == nsGkAtoms::checked && + aContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::checked, + nsGkAtoms::_true, eCaseMatters)) { + nsContentUtils::AddScriptRunner( + new nsMenuItemUncheckSiblingsRunnable(this)); + } + + if (mNeedsUpdate) { + return; + } + + if (!Parent()->IsBeingDisplayed()) { + mNeedsUpdate = true; + return; + } + + if (aContent == ContentNode()) { + if (aAttribute == nsGkAtoms::key) { + UpdateAccel(); + } else if (aAttribute == nsGkAtoms::label || + aAttribute == nsGkAtoms::accesskey || + aAttribute == nsGkAtoms::crop) { + UpdateLabel(); + } else if (aAttribute == nsGkAtoms::disabled) { + UpdateSensitivity(); + } else if (aAttribute == nsGkAtoms::type) { + UpdateTypeAndState(); + } else if (aAttribute == nsGkAtoms::checked) { + UpdateState(); + } else if (aAttribute == nsGkAtoms::hidden || + aAttribute == nsGkAtoms::collapsed) { + RefPtr<nsStyleContext> sc = GetStyleContext(); + UpdateVisibility(sc); + } else if (aAttribute == nsGkAtoms::image) { + RefPtr<nsStyleContext> sc = GetStyleContext(); + UpdateIcon(sc); + } + } else if (aContent == mKeyContent && + (aAttribute == nsGkAtoms::key || + aAttribute == nsGkAtoms::keycode || + aAttribute == nsGkAtoms::modifiers)) { + UpdateAccel(); + } +} + +nsMenuItem::nsMenuItem(nsMenuContainer* aParent, nsIContent* aContent) : + nsMenuObject(aParent, aContent), + mType(eMenuItemType_Normal), + mIsChecked(false), + mNeedsUpdate(false) { + MOZ_COUNT_CTOR(nsMenuItem); +} + +nsMenuItem::~nsMenuItem() { + if (DocListener() && mKeyContent) { + DocListener()->UnregisterForContentChanges(mKeyContent); + } + + if (GetNativeData()) { + g_signal_handlers_disconnect_by_func(GetNativeData(), + FuncToGpointer(item_activated_cb), + this); + } + + MOZ_COUNT_DTOR(nsMenuItem); +} + +nsMenuObject::EType +nsMenuItem::Type() const { + return eType_MenuItem; +} diff --git a/widget/gtk/nsMenuItem.h b/widget/gtk/nsMenuItem.h new file mode 100644 index 0000000000..e81b6e3086 --- /dev/null +++ b/widget/gtk/nsMenuItem.h @@ -0,0 +1,77 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsMenuItem_h__ +#define __nsMenuItem_h__ + +#include "mozilla/Attributes.h" +#include "nsCOMPtr.h" + +#include "nsDbusmenu.h" +#include "nsMenuObject.h" + +#include <glib.h> + +class nsIAtom; +class nsIContent; +class nsStyleContext; +class nsMenuBar; +class nsMenuContainer; + +/* + * This class represents 3 main classes of menuitems: labels, checkboxes and + * radio buttons (with/without an icon) + */ +class nsMenuItem final : public nsMenuObject { +public: + nsMenuItem(nsMenuContainer* aParent, nsIContent* aContent); + ~nsMenuItem() override; + + nsMenuObject::EType Type() const override; + +private: + friend class nsMenuItemUncheckSiblingsRunnable; + + enum { + eMenuItemFlag_ToggleState = (1 << 0) + }; + + enum EMenuItemType { + eMenuItemType_Normal, + eMenuItemType_Radio, + eMenuItemType_CheckBox + }; + + bool IsCheckboxOrRadioItem() const; + + static void item_activated_cb(DbusmenuMenuitem* menuitem, + guint timestamp, + gpointer user_data); + void Activate(uint32_t aTimestamp); + + void CopyAttrFromNodeIfExists(nsIContent* aContent, nsIAtom* aAtom); + void UpdateState(); + void UpdateTypeAndState(); + void UpdateAccel(); + nsMenuBar* MenuBar(); + void UncheckSiblings(); + + void InitializeNativeData() override; + void UpdateContentAttributes() override; + void Update(nsStyleContext* aStyleContext) override; + bool IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const override; + nsMenuObject::PropertyFlags SupportedProperties() const override; + + void OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) override; + + EMenuItemType mType; + + bool mIsChecked; + + bool mNeedsUpdate; + + nsCOMPtr<nsIContent> mKeyContent; +}; + +#endif /* __nsMenuItem_h__ */ diff --git a/widget/gtk/nsMenuObject.cpp b/widget/gtk/nsMenuObject.cpp new file mode 100644 index 0000000000..58d1716fd2 --- /dev/null +++ b/widget/gtk/nsMenuObject.cpp @@ -0,0 +1,634 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ImageOps.h" +#include "imgIContainer.h" +#include "imgINotificationObserver.h" +#include "imgLoader.h" +#include "imgRequestProxy.h" +#include "mozilla/ArrayUtils.h" +#include "mozilla/Assertions.h" +#include "mozilla/dom/Element.h" +#include "mozilla/Preferences.h" +#include "nsAttrValue.h" +#include "nsComputedDOMStyle.h" +#include "nsContentUtils.h" +#include "nsGkAtoms.h" +#include "nsIContent.h" +#include "nsIContentPolicy.h" +#include "nsIDocument.h" +#include "nsILoadGroup.h" +#include "nsImageToPixbuf.h" +#include "nsIPresShell.h" +#include "nsIURI.h" +#include "nsNetUtil.h" +#include "nsPresContext.h" +#include "nsRect.h" +#include "nsServiceManagerUtils.h" +#include "nsString.h" +#include "nsStyleConsts.h" +#include "nsStyleContext.h" +#include "nsStyleStruct.h" +#include "nsUnicharUtils.h" + +#include "nsMenuContainer.h" +#include "nsNativeMenuAtoms.h" +#include "nsNativeMenuDocListener.h" + +#include <gdk/gdk.h> +#include <glib-object.h> +#include <pango/pango.h> + +#include "nsMenuObject.h" + +// X11's None clashes with StyleDisplay::None +#include "X11UndefineNone.h" + +#undef None + +using namespace mozilla; +using mozilla::image::ImageOps; + +#define MAX_WIDTH 350000 + +const char* gPropertyStrings[] = { +#define DBUSMENU_PROPERTY(e, s, b) s, + DBUSMENU_PROPERTIES +#undef DBUSMENU_PROPERTY + nullptr +}; + +nsWeakMenuObject* nsWeakMenuObject::sHead; +PangoLayout* gPangoLayout = nullptr; + +class nsMenuObjectIconLoader final : public imgINotificationObserver { +public: + NS_DECL_ISUPPORTS + NS_DECL_IMGINOTIFICATIONOBSERVER + + nsMenuObjectIconLoader(nsMenuObject* aOwner) : mOwner(aOwner) { }; + + void LoadIcon(nsStyleContext* aStyleContext); + void Destroy(); + +private: + ~nsMenuObjectIconLoader() { }; + + nsMenuObject* mOwner; + RefPtr<imgRequestProxy> mImageRequest; + nsCOMPtr<nsIURI> mURI; + nsIntRect mImageRect; +}; + +NS_IMPL_ISUPPORTS(nsMenuObjectIconLoader, imgINotificationObserver) + +NS_IMETHODIMP +nsMenuObjectIconLoader::Notify(imgIRequest* aProxy, + int32_t aType, const nsIntRect* aRect) { + if (!mOwner) { + return NS_OK; + } + + if (aProxy != mImageRequest) { + return NS_ERROR_FAILURE; + } + + if (aType == imgINotificationObserver::LOAD_COMPLETE) { + uint32_t status = imgIRequest::STATUS_ERROR; + if (NS_FAILED(mImageRequest->GetImageStatus(&status)) || + (status & imgIRequest::STATUS_ERROR)) { + mImageRequest->Cancel(NS_BINDING_ABORTED); + mImageRequest = nullptr; + return NS_ERROR_FAILURE; + } + + nsCOMPtr<imgIContainer> image; + mImageRequest->GetImage(getter_AddRefs(image)); + MOZ_ASSERT(image); + + // Ask the image to decode at its intrinsic size. + int32_t width = 0, height = 0; + image->GetWidth(&width); + image->GetHeight(&height); + image->RequestDecodeForSize(nsIntSize(width, height), imgIContainer::FLAG_NONE); + return NS_OK; + } + + if (aType == imgINotificationObserver::DECODE_COMPLETE) { + mImageRequest->Cancel(NS_BINDING_ABORTED); + mImageRequest = nullptr; + return NS_OK; + } + + if (aType != imgINotificationObserver::FRAME_COMPLETE) { + return NS_OK; + } + + nsCOMPtr<imgIContainer> img; + mImageRequest->GetImage(getter_AddRefs(img)); + if (!img) { + return NS_ERROR_FAILURE; + } + + if (!mImageRect.IsEmpty()) { + img = ImageOps::Clip(img, mImageRect); + } + + int32_t width, height; + img->GetWidth(&width); + img->GetHeight(&height); + + if (width <= 0 || height <= 0) { + mOwner->ClearIcon(); + return NS_OK; + } + + if (width > 100 || height > 100) { + // The icon data needs to go across DBus. Make sure the icon + // data isn't too large, else our connection gets terminated and + // GDbus helpfully aborts the application. Thank you :) + NS_WARNING("Icon data too large"); + mOwner->ClearIcon(); + return NS_OK; + } + + GdkPixbuf* pixbuf = nsImageToPixbuf::ImageToPixbuf(img); + if (pixbuf) { + dbusmenu_menuitem_property_set_image(mOwner->GetNativeData(), + DBUSMENU_MENUITEM_PROP_ICON_DATA, + pixbuf); + g_object_unref(pixbuf); + } + + return NS_OK; +} + +void +nsMenuObjectIconLoader::LoadIcon(nsStyleContext* aStyleContext) { + nsIDocument* doc = mOwner->ContentNode()->OwnerDoc(); + + nsCOMPtr<nsIURI> uri; + nsIntRect imageRect; + imgRequestProxy* imageRequest = nullptr; + + nsAutoString uriString; + if (mOwner->ContentNode()->GetAttr(kNameSpaceID_None, nsGkAtoms::image, + uriString)) { + NS_NewURI(getter_AddRefs(uri), uriString); + } else { + nsIPresShell* shell = doc->GetShell(); + if (!shell) { + return; + } + + nsPresContext* pc = shell->GetPresContext(); + if (!pc || !aStyleContext) { + return; + } + + const nsStyleList* list = aStyleContext->StyleList(); + imageRequest = list->GetListStyleImage(); + if (imageRequest) { + imageRequest->GetURI(getter_AddRefs(uri)); + imageRect = list->mImageRegion.ToNearestPixels( + pc->AppUnitsPerDevPixel()); + } + } + + if (!uri) { + mOwner->ClearIcon(); + mURI = nullptr; + + if (mImageRequest) { + mImageRequest->Cancel(NS_BINDING_ABORTED); + mImageRequest = nullptr; + } + + return; + } + + bool same; + if (mURI && NS_SUCCEEDED(mURI->Equals(uri, &same)) && same && + (!imageRequest || imageRect == mImageRect)) { + return; + } + + if (mImageRequest) { + mImageRequest->Cancel(NS_BINDING_ABORTED); + mImageRequest = nullptr; + } + + mURI = uri; + + if (imageRequest) { + mImageRect = imageRect; + imageRequest->Clone(this, getter_AddRefs(mImageRequest)); + } else { + mImageRect.SetEmpty(); + nsCOMPtr<nsILoadGroup> loadGroup = doc->GetDocumentLoadGroup(); + RefPtr<imgLoader> loader = + nsContentUtils::GetImgLoaderForDocument(doc); + if (!loader || !loadGroup) { + NS_WARNING("Failed to get loader or load group for image load"); + return; + } + + loader->LoadImage(uri, nullptr, nullptr, mozilla::net::RP_Unset, + nullptr, loadGroup, this, nullptr, nullptr, + nsIRequest::LOAD_NORMAL, nullptr, + nsIContentPolicy::TYPE_IMAGE, EmptyString(), + getter_AddRefs(mImageRequest)); + } +} + +void +nsMenuObjectIconLoader::Destroy() { + if (mImageRequest) { + mImageRequest->CancelAndForgetObserver(NS_BINDING_ABORTED); + mImageRequest = nullptr; + } + + mOwner = nullptr; +} + +static int +CalculateTextWidth(const nsAString& aText) { + if (!gPangoLayout) { + PangoFontMap* fontmap = pango_cairo_font_map_get_default(); + PangoContext* ctx = pango_font_map_create_context(fontmap); + gPangoLayout = pango_layout_new(ctx); + g_object_unref(ctx); + } + + pango_layout_set_text(gPangoLayout, NS_ConvertUTF16toUTF8(aText).get(), -1); + + int width, dummy; + pango_layout_get_size(gPangoLayout, &width, &dummy); + + return width; +} + +static const nsDependentString +GetEllipsis() { + static char16_t sBuf[4] = { 0, 0, 0, 0 }; + if (!sBuf[0]) { + nsAdoptingString ellipsis = Preferences::GetLocalizedString("intl.ellipsis"); + if (!ellipsis.IsEmpty()) { + uint32_t l = ellipsis.Length(); + const nsAdoptingString::char_type* c = ellipsis.BeginReading(); + uint32_t i = 0; + while (i < 3 && i < l) { + sBuf[i++] =* (c++); + } + } else { + sBuf[0] = '.'; + sBuf[1] = '.'; + sBuf[2] = '.'; + } + } + + return nsDependentString(sBuf); +} + +static int +GetEllipsisWidth() { + static int sEllipsisWidth = -1; + + if (sEllipsisWidth == -1) { + sEllipsisWidth = CalculateTextWidth(GetEllipsis()); + } + + return sEllipsisWidth; +} + +nsMenuObject::nsMenuObject(nsMenuContainer* aParent, nsIContent* aContent) : + mContent(aContent), + mListener(aParent->DocListener()), + mParent(aParent), + mNativeData(nullptr) { + MOZ_ASSERT(mContent); + MOZ_ASSERT(mListener); + MOZ_ASSERT(mParent); +} + +nsMenuObject::nsMenuObject(nsNativeMenuDocListener* aListener, + nsIContent* aContent) : + mContent(aContent), + mListener(aListener), + mParent(nullptr), + mNativeData(nullptr) { + MOZ_ASSERT(mContent); + MOZ_ASSERT(mListener); +} + +void +nsMenuObject::UpdateLabel() { + // Goanna stores the label and access key in separate attributes + // so we need to convert label="Foo_Bar"/accesskey="F" in to + // label="_Foo__Bar" for dbusmenu + + nsAutoString label; + mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::label, label); + + nsAutoString accesskey; + mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::accesskey, accesskey); + + const nsAutoString::char_type* akey = accesskey.BeginReading(); + char16_t keyLower = ToLowerCase(*akey); + char16_t keyUpper = ToUpperCase(*akey); + + const nsAutoString::char_type* iter = label.BeginReading(); + const nsAutoString::char_type* end = label.EndReading(); + uint32_t length = label.Length(); + uint32_t pos = 0; + bool foundAccessKey = false; + + while (iter != end) { + if (*iter != char16_t('_')) { + if ((*iter != keyLower &&* iter != keyUpper) || foundAccessKey) { + ++iter; + ++pos; + continue; + } + foundAccessKey = true; + } + + label.SetLength(++length); + + iter = label.BeginReading() + pos; + end = label.EndReading(); + nsAutoString::char_type* cur = label.BeginWriting() + pos; + + memmove(cur + 1, cur, (length - 1 - pos)* sizeof(nsAutoString::char_type)); + * cur = nsAutoString::char_type('_'); + + iter += 2; + pos += 2; + } + + if (CalculateTextWidth(label) <= MAX_WIDTH) { + dbusmenu_menuitem_property_set(mNativeData, + DBUSMENU_MENUITEM_PROP_LABEL, + NS_ConvertUTF16toUTF8(label).get()); + return; + } + + // This sucks. + // This should be done at the point where the menu is drawn (hello Unity), + // but unfortunately it doesn't do that and will happily fill your entire + // screen width with a menu if you have a bookmark with a really long title. + // This leaves us with no other option but to ellipsize here, with no proper + // knowledge of Unity's render path, font size etc. This is better than nothing + nsAutoString truncated; + int target = MAX_WIDTH - GetEllipsisWidth(); + length = label.Length(); + + static nsIContent::AttrValuesArray strings[] = { + &nsGkAtoms::left, &nsGkAtoms::start, + &nsGkAtoms::center, &nsGkAtoms::right, + &nsGkAtoms::end, nullptr + }; + + int32_t type = mContent->FindAttrValueIn(kNameSpaceID_None, + nsGkAtoms::crop, + strings, eCaseMatters); + + switch (type) { + case 0: + case 1: + // FIXME: Implement left cropping + case 2: + // FIXME: Implement center cropping + case 3: + case 4: + default: + for (uint32_t i = 0; i < length; i++) { + truncated.Append(label.CharAt(i)); + if (CalculateTextWidth(truncated) > target) { + break; + } + } + + truncated.Append(GetEllipsis()); + } + + dbusmenu_menuitem_property_set(mNativeData, + DBUSMENU_MENUITEM_PROP_LABEL, + NS_ConvertUTF16toUTF8(truncated).get()); +} + +void +nsMenuObject::UpdateVisibility(nsStyleContext* aStyleContext) { + bool vis = true; + + if (aStyleContext && + (aStyleContext->StyleDisplay()->mDisplay == StyleDisplay::None || + aStyleContext->StyleVisibility()->mVisible == + NS_STYLE_VISIBILITY_COLLAPSE)) { + vis = false; + } + + dbusmenu_menuitem_property_set_bool(mNativeData, + DBUSMENU_MENUITEM_PROP_VISIBLE, + vis); +} + +void +nsMenuObject::UpdateSensitivity() { + bool disabled = mContent->AttrValueIs(kNameSpaceID_None, + nsGkAtoms::disabled, + nsGkAtoms::_true, eCaseMatters); + + dbusmenu_menuitem_property_set_bool(mNativeData, + DBUSMENU_MENUITEM_PROP_ENABLED, + !disabled); + +} + +void +nsMenuObject::UpdateIcon(nsStyleContext* aStyleContext) { + if (ShouldShowIcon()) { + if (!mIconLoader) { + mIconLoader = new nsMenuObjectIconLoader(this); + } + + mIconLoader->LoadIcon(aStyleContext); + } else { + if (mIconLoader) { + mIconLoader->Destroy(); + mIconLoader = nullptr; + } + + ClearIcon(); + } +} + +already_AddRefed<nsStyleContext> +nsMenuObject::GetStyleContext() { + nsIPresShell* shell = mContent->OwnerDoc()->GetShell(); + if (!shell) { + return nullptr; + } + + RefPtr<nsStyleContext> sc = + nsComputedDOMStyle::GetStyleContextForElementNoFlush( + mContent->AsElement(), nullptr, shell); + + return sc.forget(); +} + +void +nsMenuObject::InitializeNativeData() { +} + +nsMenuObject::PropertyFlags +nsMenuObject::SupportedProperties() const { + return static_cast<nsMenuObject::PropertyFlags>(0); +} + +bool +nsMenuObject::IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const { + return true; +} + +void +nsMenuObject::UpdateContentAttributes() { +} + +void +nsMenuObject::Update(nsStyleContext* aStyleContext) { +} + +bool +nsMenuObject::ShouldShowIcon() const { + // Ideally we want to know the visibility of the anonymous XUL image in + // our menuitem, but this isn't created because we don't have a frame. + // The following works by default (because xul.css hides images in menuitems + // that don't have the "menuitem-with-favicon" class). It's possible a third + // party theme could override this, but, oh well... + const nsAttrValue* classes = mContent->AsElement()->GetClasses(); + if (!classes) { + return false; + } + + for (uint32_t i = 0; i < classes->GetAtomCount(); ++i) { + if (classes->AtomAt(i) == nsNativeMenuAtoms::menuitem_with_favicon) { + return true; + } + } + + return false; +} + +void +nsMenuObject::ClearIcon() { + dbusmenu_menuitem_property_remove(mNativeData, + DBUSMENU_MENUITEM_PROP_ICON_DATA); +} + +nsMenuObject::~nsMenuObject() { + nsWeakMenuObject::NotifyDestroyed(this); + + if (mIconLoader) { + mIconLoader->Destroy(); + } + + if (mListener) { + mListener->UnregisterForContentChanges(mContent); + } + + if (mNativeData) { + g_object_unref(mNativeData); + mNativeData = nullptr; + } +} + +void +nsMenuObject::CreateNativeData() { + MOZ_ASSERT(mNativeData == nullptr, "This node already has a DbusmenuMenuitem. The old one will be leaked"); + + mNativeData = dbusmenu_menuitem_new(); + InitializeNativeData(); + if (mParent && mParent->IsBeingDisplayed()) { + ContainerIsOpening(); + } + + mListener->RegisterForContentChanges(mContent, this); +} + +nsresult +nsMenuObject::AdoptNativeData(DbusmenuMenuitem* aNativeData) { + MOZ_ASSERT(mNativeData == nullptr, "This node already has a DbusmenuMenuitem. The old one will be leaked"); + + if (!IsCompatibleWithNativeData(aNativeData)) { + return NS_ERROR_FAILURE; + } + + mNativeData = aNativeData; + g_object_ref(mNativeData); + + PropertyFlags supported = SupportedProperties(); + PropertyFlags mask = static_cast<PropertyFlags>(1); + + for (uint32_t i = 0; gPropertyStrings[i]; ++i) { + if (!(mask & supported)) { + dbusmenu_menuitem_property_remove(mNativeData, gPropertyStrings[i]); + } + mask = static_cast<PropertyFlags>(mask << 1); + } + + InitializeNativeData(); + if (mParent && mParent->IsBeingDisplayed()) { + ContainerIsOpening(); + } + + mListener->RegisterForContentChanges(mContent, this); + + return NS_OK; +} + +void +nsMenuObject::ContainerIsOpening() { + MOZ_ASSERT(nsContentUtils::IsSafeToRunScript()); + + UpdateContentAttributes(); + + RefPtr<nsStyleContext> sc = GetStyleContext(); + Update(sc); +} + +/* static */ void +nsWeakMenuObject::AddWeakReference(nsWeakMenuObject* aWeak) { + aWeak->mPrev = sHead; + sHead = aWeak; +} + +/* static */ void +nsWeakMenuObject::RemoveWeakReference(nsWeakMenuObject* aWeak) { + if (aWeak == sHead) { + sHead = aWeak->mPrev; + return; + } + + nsWeakMenuObject* weak = sHead; + while (weak && weak->mPrev != aWeak) { + weak = weak->mPrev; + } + + if (weak) { + weak->mPrev = aWeak->mPrev; + } +} + +/* static */ void +nsWeakMenuObject::NotifyDestroyed(nsMenuObject* aMenuObject) { + nsWeakMenuObject* weak = sHead; + while (weak) { + if (weak->mMenuObject == aMenuObject) { + weak->mMenuObject = nullptr; + } + + weak = weak->mPrev; + } +} diff --git a/widget/gtk/nsMenuObject.h b/widget/gtk/nsMenuObject.h new file mode 100644 index 0000000000..c7637cd052 --- /dev/null +++ b/widget/gtk/nsMenuObject.h @@ -0,0 +1,165 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsMenuObject_h__ +#define __nsMenuObject_h__ + +#include "mozilla/Attributes.h" +#include "nsCOMPtr.h" + +#include "nsDbusmenu.h" +#include "nsNativeMenuDocListener.h" + +class nsIAtom; +class nsIContent; +class nsStyleContext; +class nsMenuContainer; +class nsMenuObjectIconLoader; + +#define DBUSMENU_PROPERTIES \ + DBUSMENU_PROPERTY(Label, DBUSMENU_MENUITEM_PROP_LABEL, 0) \ + DBUSMENU_PROPERTY(Enabled, DBUSMENU_MENUITEM_PROP_ENABLED, 1) \ + DBUSMENU_PROPERTY(Visible, DBUSMENU_MENUITEM_PROP_VISIBLE, 2) \ + DBUSMENU_PROPERTY(IconData, DBUSMENU_MENUITEM_PROP_ICON_DATA, 3) \ + DBUSMENU_PROPERTY(Type, DBUSMENU_MENUITEM_PROP_TYPE, 4) \ + DBUSMENU_PROPERTY(Shortcut, DBUSMENU_MENUITEM_PROP_SHORTCUT, 5) \ + DBUSMENU_PROPERTY(ToggleType, DBUSMENU_MENUITEM_PROP_TOGGLE_TYPE, 6) \ + DBUSMENU_PROPERTY(ToggleState, DBUSMENU_MENUITEM_PROP_TOGGLE_STATE, 7) \ + DBUSMENU_PROPERTY(ChildDisplay, DBUSMENU_MENUITEM_PROP_CHILD_DISPLAY, 8) + +/* + * This is the base class for all menu nodes. Each instance represents + * a single node in the menu hierarchy. It wraps the corresponding DOM node and + * native menu node, keeps them in sync and transfers events between the two. + * It is not reference counted - each node is owned by its parent (the top + * level menubar is owned by the window) and keeps a weak pointer to its + * parent (which is guaranteed to always be valid because a node will never + * outlive its parent). It is not safe to keep a reference to nsMenuObject + * externally. + */ +class nsMenuObject : public nsNativeMenuChangeObserver { +public: + enum EType { + eType_MenuBar, + eType_Menu, + eType_MenuItem + }; + + virtual ~nsMenuObject(); + + // Get the native menu item node + DbusmenuMenuitem* GetNativeData() const { return mNativeData; } + + // Get the parent menu object + nsMenuContainer* Parent() const { return mParent; } + + // Get the content node + nsIContent* ContentNode() const { return mContent; } + + // Get the type of this node. Must be provided by subclasses + virtual EType Type() const = 0; + + // Get the document listener + nsNativeMenuDocListener* DocListener() const { return mListener; } + + // Create the native menu item node (called by containers) + void CreateNativeData(); + + // Adopt the specified native menu item node (called by containers) + nsresult AdoptNativeData(DbusmenuMenuitem* aNativeData); + + // Called by the container to tell us that it's opening + void ContainerIsOpening(); + +protected: + nsMenuObject(nsMenuContainer* aParent, nsIContent* aContent); + nsMenuObject(nsNativeMenuDocListener* aListener, nsIContent* aContent); + + enum PropertyFlags { +#define DBUSMENU_PROPERTY(e, s, b) eProp##e = (1 << b), + DBUSMENU_PROPERTIES +#undef DBUSMENU_PROPERTY + }; + + void UpdateLabel(); + void UpdateVisibility(nsStyleContext* aStyleContext); + void UpdateSensitivity(); + void UpdateIcon(nsStyleContext* aStyleContext); + + already_AddRefed<nsStyleContext> GetStyleContext(); + +private: + friend class nsMenuObjectIconLoader; + + // Set up initial properties on the native data, connect to signals etc. + // This should be implemented by subclasses + virtual void InitializeNativeData(); + + // Return the properties that this menu object type supports + // This should be implemented by subclasses + virtual PropertyFlags SupportedProperties() const; + + // Determine whether this menu object could use the specified + // native item. Returns true by default but can be overridden by subclasses + virtual bool + IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const; + + // Update attributes on this objects content node when the container opens. + // This is called before style resolution, and should be implemented by + // subclasses who want to modify attributes that might affect style. + // This will not be called when there are script blockers + virtual void UpdateContentAttributes(); + + // Update properties that should be refreshed when the container opens. + // This should be implemented by subclasses that have properties which + // need refreshing + virtual void Update(nsStyleContext* aStyleContext); + + bool ShouldShowIcon() const; + void ClearIcon(); + + nsCOMPtr<nsIContent> mContent; + // mListener is a strong ref for simplicity - someone in the tree needs to + // own it, and this only really needs to be the top-level object (as no + // children outlives their parent). However, we need to keep it alive until + // after running the nsMenuObject destructor for the top-level menu object, + // hence the strong ref + RefPtr<nsNativeMenuDocListener> mListener; + nsMenuContainer* mParent; // [weak] + DbusmenuMenuitem* mNativeData; // [strong] + RefPtr<nsMenuObjectIconLoader> mIconLoader; +}; + +// Keep a weak pointer to a menu object +class nsWeakMenuObject { +public: + nsWeakMenuObject() : mPrev(nullptr), mMenuObject(nullptr) {} + + nsWeakMenuObject(nsMenuObject* aMenuObject) : + mPrev(nullptr), mMenuObject(aMenuObject) + { + AddWeakReference(this); + } + + ~nsWeakMenuObject() { RemoveWeakReference(this); } + + nsMenuObject* get() const { return mMenuObject; } + + nsMenuObject* operator->() const { return mMenuObject; } + + explicit operator bool() const { return !!mMenuObject; } + + static void NotifyDestroyed(nsMenuObject* aMenuObject); + +private: + static void AddWeakReference(nsWeakMenuObject* aWeak); + static void RemoveWeakReference(nsWeakMenuObject* aWeak); + + nsWeakMenuObject* mPrev; + static nsWeakMenuObject* sHead; + + nsMenuObject* mMenuObject; +}; + +#endif /* __nsMenuObject_h__ */ diff --git a/widget/gtk/nsMenuSeparator.cpp b/widget/gtk/nsMenuSeparator.cpp new file mode 100644 index 0000000000..893c5c7f00 --- /dev/null +++ b/widget/gtk/nsMenuSeparator.cpp @@ -0,0 +1,74 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/Assertions.h" +#include "mozilla/Move.h" +#include "nsAutoPtr.h" +#include "nsCRT.h" +#include "nsGkAtoms.h" +#include "nsStyleContext.h" + +#include "nsDbusmenu.h" + +#include "nsMenuContainer.h" +#include "nsMenuSeparator.h" + +using namespace mozilla; + +void +nsMenuSeparator::InitializeNativeData() { + dbusmenu_menuitem_property_set(GetNativeData(), + DBUSMENU_MENUITEM_PROP_TYPE, + "separator"); +} + +void +nsMenuSeparator::Update(nsStyleContext* aContext) { + UpdateVisibility(aContext); +} + +bool +nsMenuSeparator::IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const { + return nsCRT::strcmp(dbusmenu_menuitem_property_get(aNativeData, + DBUSMENU_MENUITEM_PROP_TYPE), + "separator") == 0; +} + +nsMenuObject::PropertyFlags +nsMenuSeparator::SupportedProperties() const { + return static_cast<nsMenuObject::PropertyFlags>( + nsMenuObject::ePropVisible | + nsMenuObject::ePropType + ); +} + +void +nsMenuSeparator::OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) { + MOZ_ASSERT(aContent == ContentNode(), "Received an event that wasn't meant for us!"); + + if (!Parent()->IsBeingDisplayed()) { + return; + } + + if (aAttribute == nsGkAtoms::hidden || + aAttribute == nsGkAtoms::collapsed) { + RefPtr<nsStyleContext> sc = GetStyleContext(); + UpdateVisibility(sc); + } +} + +nsMenuSeparator::nsMenuSeparator(nsMenuContainer* aParent, + nsIContent* aContent) : + nsMenuObject(aParent, aContent) { + MOZ_COUNT_CTOR(nsMenuSeparator); +} + +nsMenuSeparator::~nsMenuSeparator() { + MOZ_COUNT_DTOR(nsMenuSeparator); +} + +nsMenuObject::EType +nsMenuSeparator::Type() const { + return eType_MenuItem; +} diff --git a/widget/gtk/nsMenuSeparator.h b/widget/gtk/nsMenuSeparator.h new file mode 100644 index 0000000000..9ba770a85d --- /dev/null +++ b/widget/gtk/nsMenuSeparator.h @@ -0,0 +1,33 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsMenuSeparator_h__ +#define __nsMenuSeparator_h__ + +#include "mozilla/Attributes.h" + +#include "nsMenuObject.h" + +class nsIContent; +class nsIAtom; +class nsMenuContainer; + +// Menu separator class +class nsMenuSeparator final : public nsMenuObject { +public: + nsMenuSeparator(nsMenuContainer* aParent, nsIContent* aContent); + ~nsMenuSeparator(); + + nsMenuObject::EType Type() const override; + +private: + void InitializeNativeData() override; + void Update(nsStyleContext* aStyleContext) override; + bool IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const override; + nsMenuObject::PropertyFlags SupportedProperties() const override; + + void OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) override; +}; + +#endif /* __nsMenuSeparator_h__ */ diff --git a/widget/gtk/nsNativeMenuAtomList.h b/widget/gtk/nsNativeMenuAtomList.h new file mode 100644 index 0000000000..4a8b3869a8 --- /dev/null +++ b/widget/gtk/nsNativeMenuAtomList.h @@ -0,0 +1,9 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +WIDGET_ATOM2(menuitem_with_favicon, "menuitem-with-favicon") +WIDGET_ATOM2(_moz_menubarkeeplocal, "_moz-menubarkeeplocal") +WIDGET_ATOM2(_moz_nativemenupopupstate, "_moz-nativemenupopupstate") +WIDGET_ATOM(openedwithkey) +WIDGET_ATOM(shellshowingmenubar) diff --git a/widget/gtk/nsNativeMenuAtoms.cpp b/widget/gtk/nsNativeMenuAtoms.cpp new file mode 100644 index 0000000000..f43d8b24b1 --- /dev/null +++ b/widget/gtk/nsNativeMenuAtoms.cpp @@ -0,0 +1,35 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsIAtom.h" +#include "nsStaticAtom.h" + +#include "nsNativeMenuAtoms.h" + +using namespace mozilla; + +#define WIDGET_ATOM(_name) nsIAtom* nsNativeMenuAtoms::_name; +#define WIDGET_ATOM2(_name, _value) nsIAtom* nsNativeMenuAtoms::_name; +#include "nsNativeMenuAtomList.h" +#undef WIDGET_ATOM +#undef WIDGET_ATOM2 + +#define WIDGET_ATOM(name_) NS_STATIC_ATOM_BUFFER(name_##_buffer, #name_) +#define WIDGET_ATOM2(name_, value_) NS_STATIC_ATOM_BUFFER(name_##_buffer, value_) +#include "nsNativeMenuAtomList.h" +#undef WIDGET_ATOM +#undef WIDGET_ATOM2 + +static const nsStaticAtom gAtoms[] = { +#define WIDGET_ATOM(name_) NS_STATIC_ATOM(name_##_buffer, &nsNativeMenuAtoms::name_), +#define WIDGET_ATOM2(name_, value_) NS_STATIC_ATOM(name_##_buffer, &nsNativeMenuAtoms::name_), +#include "nsNativeMenuAtomList.h" +#undef WIDGET_ATOM +#undef WIDGET_ATOM2 +}; + +/* static */ void +nsNativeMenuAtoms::RegisterAtoms() { + NS_RegisterStaticAtoms(gAtoms); +} diff --git a/widget/gtk/nsNativeMenuAtoms.h b/widget/gtk/nsNativeMenuAtoms.h new file mode 100644 index 0000000000..4a9766ee8b --- /dev/null +++ b/widget/gtk/nsNativeMenuAtoms.h @@ -0,0 +1,23 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsNativeMenuAtoms_h__ +#define __nsNativeMenuAtoms_h__ + +class nsIAtom; + +class nsNativeMenuAtoms { +public: + nsNativeMenuAtoms() = delete; + + static void RegisterAtoms(); + +#define WIDGET_ATOM(_name) static nsIAtom* _name; +#define WIDGET_ATOM2(_name, _value) static nsIAtom* _name; +#include "nsNativeMenuAtomList.h" +#undef WIDGET_ATOM +#undef WIDGET_ATOM2 +}; + +#endif /* __nsNativeMenuAtoms_h__ */ diff --git a/widget/gtk/nsNativeMenuDocListener.cpp b/widget/gtk/nsNativeMenuDocListener.cpp new file mode 100644 index 0000000000..46a9c3aa92 --- /dev/null +++ b/widget/gtk/nsNativeMenuDocListener.cpp @@ -0,0 +1,329 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/Assertions.h" +#include "mozilla/DebugOnly.h" +#include "mozilla/dom/Element.h" +#include "nsContentUtils.h" +#include "nsIAtom.h" +#include "nsIContent.h" +#include "nsIDocument.h" + +#include "nsMenuContainer.h" + +#include "nsNativeMenuDocListener.h" + +using namespace mozilla; + +uint32_t nsNativeMenuDocListener::sUpdateBlockersCount = 0; + +nsNativeMenuDocListenerTArray* gPendingListeners; + +/* + * Small helper which caches a single listener, so that consecutive + * events which go to the same node avoid multiple hash table lookups + */ +class MOZ_STACK_CLASS DispatchHelper { +public: + DispatchHelper(nsNativeMenuDocListener* aListener, + nsIContent* aContent + MOZ_GUARD_OBJECT_NOTIFIER_PARAM) : + mObserver(nullptr) { + MOZ_GUARD_OBJECT_NOTIFIER_INIT; + if (aContent == aListener->mLastSource) { + mObserver = aListener->mLastTarget; + } else { + mObserver = aListener->mContentToObserverTable.Get(aContent); + if (mObserver) { + aListener->mLastSource = aContent; + aListener->mLastTarget = mObserver; + } + } + } + + ~DispatchHelper() { }; + + nsNativeMenuChangeObserver* Observer() const { + return mObserver; + } + + bool HasObserver() const { + return !!mObserver; + } + +private: + nsNativeMenuChangeObserver* mObserver; + MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER +}; + +NS_IMPL_ISUPPORTS(nsNativeMenuDocListener, nsIMutationObserver) + +nsNativeMenuDocListener::~nsNativeMenuDocListener() { + MOZ_ASSERT(mContentToObserverTable.Count() == 0, + "Some nodes forgot to unregister listeners. This is bad! (and we're lucky we made it this far)"); + MOZ_COUNT_DTOR(nsNativeMenuDocListener); +} + +void +nsNativeMenuDocListener::AttributeChanged(nsIDocument* aDocument, + mozilla::dom::Element* aElement, + int32_t aNameSpaceID, + nsIAtom* aAttribute, + int32_t aModType, + const nsAttrValue* aOldValue) { + if (sUpdateBlockersCount == 0) { + DoAttributeChanged(aElement, aAttribute); + return; + } + + MutationRecord* m =* mPendingMutations.AppendElement(new MutationRecord); + m->mType = MutationRecord::eAttributeChanged; + m->mTarget = aElement; + m->mAttribute = aAttribute; + + ScheduleFlush(this); +} + +void +nsNativeMenuDocListener::ContentAppended(nsIDocument* aDocument, + nsIContent* aContainer, + nsIContent* aFirstNewContent, + int32_t aNewIndexInContainer) { + for (nsIContent* c = aFirstNewContent; c; c = c->GetNextSibling()) { + ContentInserted(aDocument, aContainer, c, 0); + } +} + +void +nsNativeMenuDocListener::ContentInserted(nsIDocument* aDocument, + nsIContent* aContainer, + nsIContent* aChild, + int32_t aIndexInContainer) { + nsIContent* prevSibling = nsMenuContainer::GetPreviousSupportedSibling(aChild); + + if (sUpdateBlockersCount == 0) { + DoContentInserted(aContainer, aChild, prevSibling); + return; + } + + MutationRecord* m =* mPendingMutations.AppendElement(new MutationRecord); + m->mType = MutationRecord::eContentInserted; + m->mTarget = aContainer; + m->mChild = aChild; + m->mPrevSibling = prevSibling; + + ScheduleFlush(this); +} + +void +nsNativeMenuDocListener::ContentRemoved(nsIDocument* aDocument, + nsIContent* aContainer, + nsIContent* aChild, + int32_t aIndexInContainer, + nsIContent* aPreviousSibling) { + if (sUpdateBlockersCount == 0) { + DoContentRemoved(aContainer, aChild); + return; + } + + MutationRecord* m =* mPendingMutations.AppendElement(new MutationRecord); + m->mType = MutationRecord::eContentRemoved; + m->mTarget = aContainer; + m->mChild = aChild; + + ScheduleFlush(this); +} + +void +nsNativeMenuDocListener::NodeWillBeDestroyed(const nsINode* aNode) { + mDocument = nullptr; +} + +void +nsNativeMenuDocListener::DoAttributeChanged(nsIContent* aContent, + nsIAtom* aAttribute) { + DispatchHelper h(this, aContent); + if (h.HasObserver()) { + h.Observer()->OnAttributeChanged(aContent, aAttribute); + } +} + +void +nsNativeMenuDocListener::DoContentInserted(nsIContent* aContainer, + nsIContent* aChild, + nsIContent* aPrevSibling) { + DispatchHelper h(this, aContainer); + if (h.HasObserver()) { + h.Observer()->OnContentInserted(aContainer, aChild, aPrevSibling); + } +} + +void +nsNativeMenuDocListener::DoContentRemoved(nsIContent* aContainer, + nsIContent* aChild) { + DispatchHelper h(this, aContainer); + if (h.HasObserver()) { + h.Observer()->OnContentRemoved(aContainer, aChild); + } +} + +void +nsNativeMenuDocListener::DoBeginUpdates(nsIContent* aTarget) { + DispatchHelper h(this, aTarget); + if (h.HasObserver()) { + h.Observer()->OnBeginUpdates(aTarget); + } +} + +void +nsNativeMenuDocListener::DoEndUpdates(nsIContent* aTarget) { + DispatchHelper h(this, aTarget); + if (h.HasObserver()) { + h.Observer()->OnEndUpdates(); + } +} + +void +nsNativeMenuDocListener::FlushPendingMutations() { + nsIContent* currentTarget = nullptr; + bool inUpdateSequence = false; + + while (mPendingMutations.Length() > 0) { + MutationRecord* m = mPendingMutations[0]; + + if (m->mTarget != currentTarget) { + if (inUpdateSequence) { + DoEndUpdates(currentTarget); + inUpdateSequence = false; + } + + currentTarget = m->mTarget; + + if (mPendingMutations.Length() > 1 && + mPendingMutations[1]->mTarget == currentTarget) { + DoBeginUpdates(currentTarget); + inUpdateSequence = true; + } + } + + switch (m->mType) { + case MutationRecord::eAttributeChanged: + DoAttributeChanged(m->mTarget, m->mAttribute); + break; + case MutationRecord::eContentInserted: + DoContentInserted(m->mTarget, m->mChild, m->mPrevSibling); + break; + case MutationRecord::eContentRemoved: + DoContentRemoved(m->mTarget, m->mChild); + break; + default: + NS_NOTREACHED("Invalid type"); + } + + mPendingMutations.RemoveElementAt(0); + } + + if (inUpdateSequence) { + DoEndUpdates(currentTarget); + } +} + +/* static */ void +nsNativeMenuDocListener::ScheduleFlush(nsNativeMenuDocListener* aListener) { + MOZ_ASSERT(sUpdateBlockersCount > 0, "Shouldn't be doing this now"); + + if (!gPendingListeners) { + gPendingListeners = new nsNativeMenuDocListenerTArray; + } + + if (gPendingListeners->IndexOf(aListener) == + nsNativeMenuDocListenerTArray::NoIndex) { + gPendingListeners->AppendElement(aListener); + } +} + +/* static */ void +nsNativeMenuDocListener::CancelFlush(nsNativeMenuDocListener* aListener) { + if (!gPendingListeners) { + return; + } + + gPendingListeners->RemoveElement(aListener); +} + +/* static */ void +nsNativeMenuDocListener::RemoveUpdateBlocker() { + if (sUpdateBlockersCount == 1 && gPendingListeners) { + while (gPendingListeners->Length() > 0) { + (*gPendingListeners)[0]->FlushPendingMutations(); + gPendingListeners->RemoveElementAt(0); + } + } + + MOZ_ASSERT(sUpdateBlockersCount > 0, "Negative update blockers count!"); + sUpdateBlockersCount--; +} + +nsNativeMenuDocListener::nsNativeMenuDocListener(nsIContent* aRootNode) : + mRootNode(aRootNode), + mDocument(nullptr), + mLastSource(nullptr), + mLastTarget(nullptr) { + MOZ_COUNT_CTOR(nsNativeMenuDocListener); +} + +void +nsNativeMenuDocListener::RegisterForContentChanges(nsIContent* aContent, + nsNativeMenuChangeObserver* aObserver) { + MOZ_ASSERT(aContent, "Need content parameter"); + MOZ_ASSERT(aObserver, "Need observer parameter"); + if (!aContent || !aObserver) { + return; + } + + DebugOnly<nsNativeMenuChangeObserver* > old; + MOZ_ASSERT(!mContentToObserverTable.Get(aContent, &old) || old == aObserver, + "Multiple observers for the same content node are not supported"); + + mContentToObserverTable.Put(aContent, aObserver); +} + +void +nsNativeMenuDocListener::UnregisterForContentChanges(nsIContent* aContent) { + MOZ_ASSERT(aContent, "Need content parameter"); + if (!aContent) { + return; + } + + mContentToObserverTable.Remove(aContent); + if (aContent == mLastSource) { + mLastSource = nullptr; + mLastTarget = nullptr; + } +} + +void +nsNativeMenuDocListener::Start() { + if (mDocument) { + return; + } + + mDocument = mRootNode->OwnerDoc(); + if (!mDocument) { + return; + } + + mDocument->AddMutationObserver(this); +} + +void +nsNativeMenuDocListener::Stop() { + if (mDocument) { + mDocument->RemoveMutationObserver(this); + mDocument = nullptr; + } + + CancelFlush(this); + mPendingMutations.Clear(); +} diff --git a/widget/gtk/nsNativeMenuDocListener.h b/widget/gtk/nsNativeMenuDocListener.h new file mode 100644 index 0000000000..c0a503da1b --- /dev/null +++ b/widget/gtk/nsNativeMenuDocListener.h @@ -0,0 +1,146 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsNativeMenuDocListener_h__ +#define __nsNativeMenuDocListener_h__ + +#include "mozilla/Attributes.h" +#include "mozilla/GuardObjects.h" +#include "mozilla/RefPtr.h" +#include "nsAutoPtr.h" +#include "nsDataHashtable.h" +#include "nsStubMutationObserver.h" +#include "nsTArray.h" + +class nsIAtom; +class nsIContent; +class nsIDocument; +class nsNativeMenuChangeObserver; + +/* + * This class keeps a mapping of content nodes to observers and forwards DOM + * mutations to these. There is exactly one of these for every menubar. + */ +class nsNativeMenuDocListener final : nsStubMutationObserver { +public: + NS_DECL_ISUPPORTS + + nsNativeMenuDocListener(nsIContent* aRootNode); + + // Register an observer to receive mutation events for the specified + // content node. The caller must keep the observer alive until + // UnregisterForContentChanges is called. + void RegisterForContentChanges(nsIContent* aContent, + nsNativeMenuChangeObserver* aObserver); + + // Unregister the registered observer for the specified content node + void UnregisterForContentChanges(nsIContent* aContent); + + // Start listening to the document and forwarding DOM mutations to + // registered observers. + void Start(); + + // Stop listening to the document. No DOM mutations will be forwarded + // to registered observers. + void Stop(); + + /* + * This class is intended to be used inside GObject signal handlers. + * It allows us to queue updates until we have finished delivering + * events to Goanna, and then we can batch updates to our view of the + * menu. This allows us to do menu updates without altering the structure + * seen by the OS. + */ + class MOZ_STACK_CLASS BlockUpdatesScope { + public: + BlockUpdatesScope(MOZ_GUARD_OBJECT_NOTIFIER_ONLY_PARAM) { + MOZ_GUARD_OBJECT_NOTIFIER_INIT; + nsNativeMenuDocListener::AddUpdateBlocker(); + } + + ~BlockUpdatesScope() { + nsNativeMenuDocListener::RemoveUpdateBlocker(); + } + + private: + MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER + }; + +private: + friend class DispatchHelper; + + struct MutationRecord { + enum RecordType { + eAttributeChanged, + eContentInserted, + eContentRemoved + } mType; + + nsCOMPtr<nsIContent> mTarget; + nsCOMPtr<nsIContent> mChild; + nsCOMPtr<nsIContent> mPrevSibling; + nsCOMPtr<nsIAtom> mAttribute; + }; + + ~nsNativeMenuDocListener(); + + NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED + NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED + NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED + NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED + NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED + + void DoAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute); + void DoContentInserted(nsIContent* aContainer, + nsIContent* aChild, + nsIContent* aPrevSibling); + void DoContentRemoved(nsIContent* aContainer, nsIContent* aChild); + void DoBeginUpdates(nsIContent* aTarget); + void DoEndUpdates(nsIContent* aTarget); + + void FlushPendingMutations(); + static void ScheduleFlush(nsNativeMenuDocListener* aListener); + static void CancelFlush(nsNativeMenuDocListener* aListener); + + static void AddUpdateBlocker() { + ++sUpdateBlockersCount; + } + static void RemoveUpdateBlocker(); + + nsCOMPtr<nsIContent> mRootNode; + nsIDocument* mDocument; + nsIContent* mLastSource; + nsNativeMenuChangeObserver* mLastTarget; + nsTArray<nsAutoPtr<MutationRecord> > mPendingMutations; + nsDataHashtable<nsPtrHashKey<nsIContent>, nsNativeMenuChangeObserver* > mContentToObserverTable; + + static uint32_t sUpdateBlockersCount; +}; + +typedef nsTArray<RefPtr<nsNativeMenuDocListener> > nsNativeMenuDocListenerTArray; + +/* + * Implemented by classes that want to listen to mutation events from content + * nodes. + */ +class nsNativeMenuChangeObserver { +public: + virtual void OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) {} + + virtual void OnContentInserted(nsIContent* aContainer, + nsIContent* aChild, + nsIContent* aPrevSibling) {} + + virtual void OnContentRemoved(nsIContent* aContainer, nsIContent* aChild) {} + + // Signals the start of a sequence of more than 1 event for the specified + // node. This only happens when events are flushed as all BlockUpdatesScope + // instances go out of scope + virtual void OnBeginUpdates(nsIContent* aContent) {}; + + // Signals the end of a sequence of events + virtual void OnEndUpdates() {}; +}; + +#endif /* __nsNativeMenuDocListener_h__ */ diff --git a/widget/gtk/nsNativeMenuService.cpp b/widget/gtk/nsNativeMenuService.cpp new file mode 100644 index 0000000000..eabe77ca80 --- /dev/null +++ b/widget/gtk/nsNativeMenuService.cpp @@ -0,0 +1,485 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/Assertions.h" +#include "mozilla/Move.h" +#include "mozilla/Preferences.h" +#include "mozilla/UniquePtr.h" +#include "nsAutoPtr.h" +#include "nsCOMPtr.h" +#include "nsCRT.h" +#include "nsGtkUtils.h" +#include "nsIContent.h" +#include "nsIWidget.h" +#include "nsServiceManagerUtils.h" +#include "nsWindow.h" +#include "prlink.h" + +#include "nsDbusmenu.h" +#include "nsMenuBar.h" +#include "nsNativeMenuAtoms.h" +#include "nsNativeMenuDocListener.h" + +#include <glib-object.h> +#include <pango/pango.h> +#include <stdlib.h> + +#include "nsNativeMenuService.h" + +using namespace mozilla; + +nsNativeMenuService* nsNativeMenuService::sService = nullptr; + +extern PangoLayout* gPangoLayout; +extern nsNativeMenuDocListenerTArray* gPendingListeners; + +static const nsTArray<nsMenuBar* >::index_type NoIndex = nsTArray<nsMenuBar* >::NoIndex; + +#if not GLIB_CHECK_VERSION(2,26,0) +enum GBusType { + G_BUS_TYPE_STARTER = -1, + G_BUS_TYPE_NONE = 0, + G_BUS_TYPE_SYSTEM = 1, + G_BUS_TYPE_SESSION = 2 +}; + +enum GDBusProxyFlags { + G_DBUS_PROXY_FLAGS_NONE = 0, + G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES = 1 << 0, + G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS = 1 << 1, + G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START = 1 << 2, + G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES = 1 << 3 +}; + +enum GDBusCallFlags { + G_DBUS_CALL_FLAGS_NONE = 0, + G_DBUS_CALL_FLAGS_NO_AUTO_START = 1 << 0 +}; + +typedef _GDBusInterfaceInfo GDBusInterfaceInfo; +typedef _GDBusProxy GDBusProxy; +typedef _GVariant GVariant; +#endif + +#undef g_dbus_proxy_new_for_bus +#undef g_dbus_proxy_new_for_bus_finish +#undef g_dbus_proxy_call +#undef g_dbus_proxy_call_finish +#undef g_dbus_proxy_get_name_owner + +typedef void (*_g_dbus_proxy_new_for_bus_fn)(GBusType, GDBusProxyFlags, + GDBusInterfaceInfo*, + const gchar*, const gchar*, + const gchar*, GCancellable*, + GAsyncReadyCallback, gpointer); + +typedef GDBusProxy* (*_g_dbus_proxy_new_for_bus_finish_fn)(GAsyncResult*, + GError**); +typedef void (*_g_dbus_proxy_call_fn)(GDBusProxy*, const gchar*, GVariant*, + GDBusCallFlags, gint, GCancellable*, + GAsyncReadyCallback, gpointer); +typedef GVariant* (*_g_dbus_proxy_call_finish_fn)(GDBusProxy*, GAsyncResult*, + GError**); +typedef gchar* (*_g_dbus_proxy_get_name_owner_fn)(GDBusProxy*); + +static _g_dbus_proxy_new_for_bus_fn _g_dbus_proxy_new_for_bus; +static _g_dbus_proxy_new_for_bus_finish_fn _g_dbus_proxy_new_for_bus_finish; +static _g_dbus_proxy_call_fn _g_dbus_proxy_call; +static _g_dbus_proxy_call_finish_fn _g_dbus_proxy_call_finish; +static _g_dbus_proxy_get_name_owner_fn _g_dbus_proxy_get_name_owner; + +#define g_dbus_proxy_new_for_bus _g_dbus_proxy_new_for_bus +#define g_dbus_proxy_new_for_bus_finish _g_dbus_proxy_new_for_bus_finish +#define g_dbus_proxy_call _g_dbus_proxy_call +#define g_dbus_proxy_call_finish _g_dbus_proxy_call_finish +#define g_dbus_proxy_get_name_owner _g_dbus_proxy_get_name_owner + +static PRLibrary* gGIOLib = nullptr; + +static nsresult +GDBusInit() { + gGIOLib = PR_LoadLibrary("libgio-2.0.so.0"); + if (!gGIOLib) { + return NS_ERROR_FAILURE; + } + + g_dbus_proxy_new_for_bus = (_g_dbus_proxy_new_for_bus_fn)PR_FindFunctionSymbol(gGIOLib, "g_dbus_proxy_new_for_bus"); + g_dbus_proxy_new_for_bus_finish = (_g_dbus_proxy_new_for_bus_finish_fn)PR_FindFunctionSymbol(gGIOLib, "g_dbus_proxy_new_for_bus_finish"); + g_dbus_proxy_call = (_g_dbus_proxy_call_fn)PR_FindFunctionSymbol(gGIOLib, "g_dbus_proxy_call"); + g_dbus_proxy_call_finish = (_g_dbus_proxy_call_finish_fn)PR_FindFunctionSymbol(gGIOLib, "g_dbus_proxy_call_finish"); + g_dbus_proxy_get_name_owner = (_g_dbus_proxy_get_name_owner_fn)PR_FindFunctionSymbol(gGIOLib, "g_dbus_proxy_get_name_owner"); + + if (!g_dbus_proxy_new_for_bus || + !g_dbus_proxy_new_for_bus_finish || + !g_dbus_proxy_call || + !g_dbus_proxy_call_finish || + !g_dbus_proxy_get_name_owner) { + return NS_ERROR_FAILURE; + } + + return NS_OK; +} + +NS_IMPL_ISUPPORTS(nsNativeMenuService, nsINativeMenuService) + +nsNativeMenuService::nsNativeMenuService() : + mCreateProxyCancellable(nullptr), mDbusProxy(nullptr), mOnline(false) { +} + +nsNativeMenuService::~nsNativeMenuService() { + SetOnline(false); + + if (mCreateProxyCancellable) { + g_cancellable_cancel(mCreateProxyCancellable); + g_object_unref(mCreateProxyCancellable); + mCreateProxyCancellable = nullptr; + } + + // Make sure we disconnect map-event handlers + while (mMenuBars.Length() > 0) { + NotifyNativeMenuBarDestroyed(mMenuBars[0]); + } + + Preferences::UnregisterCallback(PrefChangedCallback, + "ui.use_global_menubar"); + + if (mDbusProxy) { + g_signal_handlers_disconnect_by_func(mDbusProxy, + FuncToGpointer(name_owner_changed_cb), + NULL); + g_object_unref(mDbusProxy); + } + + if (gPendingListeners) { + delete gPendingListeners; + gPendingListeners = nullptr; + } + if (gPangoLayout) { + g_object_unref(gPangoLayout); + gPangoLayout = nullptr; + } + + MOZ_ASSERT(sService == this); + sService = nullptr; +} + +nsresult +nsNativeMenuService::Init() { + nsresult rv = nsDbusmenuFunctions::Init(); + if (NS_FAILED(rv)) { + return rv; + } + + rv = GDBusInit(); + if (NS_FAILED(rv)) { + return rv; + } + + Preferences::RegisterCallback(PrefChangedCallback, + "ui.use_global_menubar"); + + mCreateProxyCancellable = g_cancellable_new(); + + g_dbus_proxy_new_for_bus(G_BUS_TYPE_SESSION, + static_cast<GDBusProxyFlags>( + G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | + G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS | + G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START), + nullptr, + "com.canonical.AppMenu.Registrar", + "/com/canonical/AppMenu/Registrar", + "com.canonical.AppMenu.Registrar", + mCreateProxyCancellable, proxy_created_cb, + nullptr); + + /* We don't technically know that the shell will draw the menubar until + * we know whether anybody owns the name of the menubar service on the + * session bus. However, discovering this happens asynchronously so + * we optimize for the common case here by assuming that the shell will + * draw window menubars if we are running inside Unity. This should + * mean that we avoid temporarily displaying the window menubar ourselves + */ + const char* desktop = getenv("XDG_CURRENT_DESKTOP"); + if (nsCRT::strcmp(desktop, "Unity") == 0) { + SetOnline(true); + } + + return NS_OK; +} + +/* static */ void +nsNativeMenuService::EnsureInitialized() { + if (sService) { + return; + } + nsCOMPtr<nsINativeMenuService> service = + do_GetService("@mozilla.org/widget/nativemenuservice;1"); +} + +void +nsNativeMenuService::SetOnline(bool aOnline) { + if (!Preferences::GetBool("ui.use_global_menubar", true)) { + aOnline = false; + } + + mOnline = aOnline; + if (aOnline) { + for (uint32_t i = 0; i < mMenuBars.Length(); ++i) { + RegisterNativeMenuBar(mMenuBars[i]); + } + } else { + for (uint32_t i = 0; i < mMenuBars.Length(); ++i) { + mMenuBars[i]->Deactivate(); + } + } +} + +void +nsNativeMenuService::RegisterNativeMenuBar(nsMenuBar* aMenuBar) { + if (!mOnline) { + return; + } + + // This will effectively create the native menubar for + // exporting over the session bus, and hide the XUL menubar + aMenuBar->Activate(); + + if (!mDbusProxy || + !gtk_widget_get_mapped(aMenuBar->TopLevelWindow()) || + mMenuBarRegistrationCancellables.Get(aMenuBar, nullptr)) { + // Don't go further if we don't have a proxy for the shell menu + // service, the window isn't mapped or there is a request in progress. + return; + } + + uint32_t xid = aMenuBar->WindowId(); + nsAdoptingCString path = aMenuBar->ObjectPath(); + if (xid == 0 || path.IsEmpty()) { + NS_WARNING("Menubar has invalid XID or object path"); + return; + } + + GCancellable* cancellable = g_cancellable_new(); + mMenuBarRegistrationCancellables.Put(aMenuBar, cancellable); + + // We keep a weak ref because we can't assume that GDBus cancellation + // is reliable (see https://launchpad.net/bugs/953562) + + g_dbus_proxy_call(mDbusProxy, "RegisterWindow", + g_variant_new("(uo)", xid, path.get()), + G_DBUS_CALL_FLAGS_NONE, -1, + cancellable, + register_native_menubar_cb, aMenuBar); +} + +/* static */ void +nsNativeMenuService::name_owner_changed_cb(GObject* gobject, + GParamSpec* pspec, + gpointer user_data) { + nsNativeMenuService::GetSingleton()->OnNameOwnerChanged(); +} + +/* static */ void +nsNativeMenuService::proxy_created_cb(GObject* source_object, + GAsyncResult* res, + gpointer user_data) { + GError* error = nullptr; + GDBusProxy* proxy = g_dbus_proxy_new_for_bus_finish(res, &error); + if (error && g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { + g_error_free(error); + return; + } + + if (error) { + g_error_free(error); + } + + // We need this check because we can't assume that GDBus cancellation + // is reliable (see https://launchpad.net/bugs/953562) + nsNativeMenuService* self = nsNativeMenuService::GetSingleton(); + if (!self) { + if (proxy) { + g_object_unref(proxy); + } + return; + } + + self->OnProxyCreated(proxy); +} + +/* static */ void +nsNativeMenuService::register_native_menubar_cb(GObject* source_object, + GAsyncResult* res, + gpointer user_data) { + nsMenuBar* menuBar = static_cast<nsMenuBar* >(user_data); + + GError* error = nullptr; + GVariant* results = g_dbus_proxy_call_finish(G_DBUS_PROXY(source_object), + res, &error); + if (results) { + // There's nothing useful in the response + g_variant_unref(results); + } + + bool success = error ? false : true; + if (error && g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { + g_error_free(error); + return; + } + + if (error) { + g_error_free(error); + } + + nsNativeMenuService* self = nsNativeMenuService::GetSingleton(); + if (!self) { + return; + } + + self->OnNativeMenuBarRegistered(menuBar, success); +} + +/* static */ gboolean +nsNativeMenuService::map_event_cb(GtkWidget* widget, + GdkEvent* event, + gpointer user_data) { + nsMenuBar* menubar = static_cast<nsMenuBar* >(user_data); + nsNativeMenuService::GetSingleton()->RegisterNativeMenuBar(menubar); + + return FALSE; +} + +void +nsNativeMenuService::OnNameOwnerChanged() { + char* owner = g_dbus_proxy_get_name_owner(mDbusProxy); + SetOnline(owner ? true : false); + g_free(owner); +} + +void +nsNativeMenuService::OnProxyCreated(GDBusProxy* aProxy) { + mDbusProxy = aProxy; + + g_object_unref(mCreateProxyCancellable); + mCreateProxyCancellable = nullptr; + + if (!mDbusProxy) { + SetOnline(false); + return; + } + + g_signal_connect(mDbusProxy, "notify::g-name-owner", + G_CALLBACK(name_owner_changed_cb), nullptr); + + OnNameOwnerChanged(); +} + +void +nsNativeMenuService::OnNativeMenuBarRegistered(nsMenuBar* aMenuBar, + bool aSuccess) { + // Don't assume that GDBus cancellation is reliable (ie, |aMenuBar| might + // have already been deleted (see https://launchpad.net/bugs/953562) + GCancellable* cancellable = nullptr; + if (!mMenuBarRegistrationCancellables.Get(aMenuBar, &cancellable)) { + return; + } + + g_object_unref(cancellable); + mMenuBarRegistrationCancellables.Remove(aMenuBar); + + if (!aSuccess) { + aMenuBar->Deactivate(); + } +} + +/* static */ void +nsNativeMenuService::PrefChangedCallback(const char* aPref, + void* aClosure) { + nsNativeMenuService::GetSingleton()->PrefChanged(); +} + +void +nsNativeMenuService::PrefChanged() { + if (!mDbusProxy) { + SetOnline(false); + return; + } + + OnNameOwnerChanged(); +} + +NS_IMETHODIMP +nsNativeMenuService::CreateNativeMenuBar(nsIWidget* aParent, + nsIContent* aMenuBarNode) { + NS_ENSURE_ARG(aParent); + NS_ENSURE_ARG(aMenuBarNode); + + if (aMenuBarNode->AttrValueIs(kNameSpaceID_None, + nsNativeMenuAtoms::_moz_menubarkeeplocal, + nsGkAtoms::_true, + eCaseMatters)) { + return NS_OK; + } + + UniquePtr<nsMenuBar> menubar(nsMenuBar::Create(aParent, aMenuBarNode)); + if (!menubar) { + NS_WARNING("Failed to create menubar"); + return NS_ERROR_FAILURE; + } + + // Unity forgets our window if it is unmapped by the application, which + // happens with some extensions that add "minimize to tray" type + // functionality. We hook on to the MapNotify event to re-register our menu + // with Unity + g_signal_connect(G_OBJECT(menubar->TopLevelWindow()), + "map-event", G_CALLBACK(map_event_cb), + menubar.get()); + + mMenuBars.AppendElement(menubar.get()); + RegisterNativeMenuBar(menubar.get()); + + static_cast<nsWindow* >(aParent)->SetMenuBar(Move(menubar)); + + return NS_OK; +} + +/* static */ already_AddRefed<nsNativeMenuService> +nsNativeMenuService::GetInstanceForServiceManager() { + RefPtr<nsNativeMenuService> service(sService); + + if (service) { + return service.forget(); + } + + service = new nsNativeMenuService(); + + if (NS_FAILED(service->Init())) { + return nullptr; + } + + sService = service.get(); + return service.forget(); +} + +/* static */ nsNativeMenuService* +nsNativeMenuService::GetSingleton() { + EnsureInitialized(); + return sService; +} + +void +nsNativeMenuService::NotifyNativeMenuBarDestroyed(nsMenuBar* aMenuBar) { + g_signal_handlers_disconnect_by_func(aMenuBar->TopLevelWindow(), + FuncToGpointer(map_event_cb), + aMenuBar); + + mMenuBars.RemoveElement(aMenuBar); + + GCancellable* cancellable = nullptr; + if (mMenuBarRegistrationCancellables.Get(aMenuBar, &cancellable)) { + mMenuBarRegistrationCancellables.Remove(aMenuBar); + g_cancellable_cancel(cancellable); + g_object_unref(cancellable); + } +} diff --git a/widget/gtk/nsNativeMenuService.h b/widget/gtk/nsNativeMenuService.h new file mode 100644 index 0000000000..5ce022526d --- /dev/null +++ b/widget/gtk/nsNativeMenuService.h @@ -0,0 +1,80 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __nsNativeMenuService_h__ +#define __nsNativeMenuService_h__ + +#include "mozilla/Attributes.h" +#include "nsCOMPtr.h" +#include "nsDataHashtable.h" +#include "nsINativeMenuService.h" +#include "nsTArray.h" + +#include <gdk/gdk.h> +#include <gio/gio.h> +#include <gtk/gtk.h> + +class nsMenuBar; + +/* + * The main native menu service singleton. nsWebShellWindow calls in to this when + * a new top level window is created. + * + * Menubars are owned by their nsWindow. This service holds a weak reference to + * each menubar for the purpose of re-registering them with the shell if it + * needs to. The menubar is responsible for notifying the service when the last + * reference to it is dropped. + */ +class nsNativeMenuService final : public nsINativeMenuService { +public: + NS_DECL_ISUPPORTS + + NS_IMETHOD CreateNativeMenuBar(nsIWidget* aParent, nsIContent* aMenuBarNode) override; + + // Returns the singleton addref'd for the service manager + static already_AddRefed<nsNativeMenuService> GetInstanceForServiceManager(); + + // Returns the singleton without increasing the reference count + static nsNativeMenuService* GetSingleton(); + + // Called by a menubar when it is deleted + void NotifyNativeMenuBarDestroyed(nsMenuBar* aMenuBar); + +private: + nsNativeMenuService(); + ~nsNativeMenuService(); + nsresult Init(); + + static void EnsureInitialized(); + void SetOnline(bool aOnline); + void RegisterNativeMenuBar(nsMenuBar* aMenuBar); + static void name_owner_changed_cb(GObject* gobject, + GParamSpec* pspec, + gpointer user_data); + static void proxy_created_cb(GObject* source_object, + GAsyncResult* res, + gpointer user_data); + static void register_native_menubar_cb(GObject* source_object, + GAsyncResult* res, + gpointer user_data); + static gboolean map_event_cb(GtkWidget* widget, GdkEvent* event, + gpointer user_data); + void OnNameOwnerChanged(); + void OnProxyCreated(GDBusProxy* aProxy); + void OnNativeMenuBarRegistered(nsMenuBar* aMenuBar, + bool aSuccess); + static void PrefChangedCallback(const char* aPref, void* aClosure); + void PrefChanged(); + + GCancellable* mCreateProxyCancellable; + GDBusProxy* mDbusProxy; + bool mOnline; + nsTArray<nsMenuBar* > mMenuBars; + nsDataHashtable<nsPtrHashKey<nsMenuBar>, GCancellable*> mMenuBarRegistrationCancellables; + + static bool sShutdown; + static nsNativeMenuService* sService; +}; + +#endif /* __nsNativeMenuService_h__ */ diff --git a/widget/gtk/nsWidgetFactory.cpp b/widget/gtk/nsWidgetFactory.cpp index 7e4274377d..a1508d1d6d 100644 --- a/widget/gtk/nsWidgetFactory.cpp +++ b/widget/gtk/nsWidgetFactory.cpp @@ -49,6 +49,8 @@ #include "GfxInfoX11.h" #endif +#include "nsNativeMenuService.h" + #include "nsNativeThemeGTK.h" #include "nsIComponentRegistrar.h" @@ -121,6 +123,9 @@ NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(GfxInfo, Init) } #endif +NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(nsNativeMenuService, + nsNativeMenuService::GetInstanceForServiceManager) + #ifdef NS_PRINTING NS_GENERIC_FACTORY_CONSTRUCTOR(nsDeviceContextSpecGTK) NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsPrintOptionsGTK, Init) @@ -223,6 +228,7 @@ NS_DEFINE_NAMED_CID(NS_IMAGE_TO_PIXBUF_CID); NS_DEFINE_NAMED_CID(NS_IDLE_SERVICE_CID); NS_DEFINE_NAMED_CID(NS_GFXINFO_CID); #endif +NS_DEFINE_NAMED_CID(NS_NATIVEMENUSERVICE_CID); static const mozilla::Module::CIDEntry kWidgetCIDs[] = { @@ -258,6 +264,7 @@ static const mozilla::Module::CIDEntry kWidgetCIDs[] = { { &kNS_IDLE_SERVICE_CID, false, nullptr, nsIdleServiceGTKConstructor }, { &kNS_GFXINFO_CID, false, nullptr, mozilla::widget::GfxInfoConstructor }, #endif + { &kNS_NATIVEMENUSERVICE_CID, true, NULL, nsNativeMenuServiceConstructor }, { nullptr } }; @@ -295,6 +302,7 @@ static const mozilla::Module::ContractIDEntry kWidgetContracts[] = { { "@mozilla.org/widget/idleservice;1", &kNS_IDLE_SERVICE_CID }, { "@mozilla.org/gfx/info;1", &kNS_GFXINFO_CID }, #endif + { "@mozilla.org/widget/nativemenuservice;1", &kNS_NATIVEMENUSERVICE_CID }, { nullptr } }; diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp index e4e69c1b4d..6f222a7059 100644 --- a/widget/gtk/nsWindow.cpp +++ b/widget/gtk/nsWindow.cpp @@ -67,6 +67,7 @@ #include "mozilla/Assertions.h" #include "mozilla/Likely.h" +#include "mozilla/Move.h" #include "mozilla/Preferences.h" #include "nsIPrefService.h" #include "nsIGConfService.h" @@ -5175,6 +5176,11 @@ nsWindow::HideWindowChrome(bool aShouldHide) return NS_OK; } +void +nsWindow::SetMenuBar(UniquePtr<nsMenuBar> aMenuBar) { + mMenuBar = mozilla::Move(aMenuBar); +} + bool nsWindow::CheckForRollup(gdouble aMouseX, gdouble aMouseY, bool aIsWheel, bool aAlwaysRollup) diff --git a/widget/gtk/nsWindow.h b/widget/gtk/nsWindow.h index 49a8d4baf3..c45176ceab 100644 --- a/widget/gtk/nsWindow.h +++ b/widget/gtk/nsWindow.h @@ -35,6 +35,8 @@ #include "IMContextWrapper.h" +#include "nsMenuBar.h" + #undef LOG #ifdef MOZ_LOGGING @@ -162,6 +164,8 @@ public: nsIScreen* aTargetScreen = nullptr) override; NS_IMETHOD HideWindowChrome(bool aShouldHide) override; + void SetMenuBar(mozilla::UniquePtr<nsMenuBar> aMenuBar); + /** * GetLastUserInputTime returns a timestamp for the most recent user input * event. This is intended for pointer grab requests (including drags). @@ -569,6 +573,8 @@ private: RefPtr<mozilla::widget::IMContextWrapper> mIMContext; mozilla::UniquePtr<mozilla::CurrentX11TimeGetter> mCurrentTimeGetter; + + mozilla::UniquePtr<nsMenuBar> mMenuBar; }; class nsChildWindow : public nsWindow { |