diff options
Diffstat (limited to 'chrome/nsChromeRegistry.h')
| -rw-r--r-- | chrome/nsChromeRegistry.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/chrome/nsChromeRegistry.h b/chrome/nsChromeRegistry.h new file mode 100644 index 0000000000..f47c8e6050 --- /dev/null +++ b/chrome/nsChromeRegistry.h @@ -0,0 +1,172 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 nsChromeRegistry_h +#define nsChromeRegistry_h + +#include "nsIToolkitChromeRegistry.h" +#include "nsIObserver.h" +#include "nsWeakReference.h" + +#ifdef MOZ_XUL +#include "nsIXULOverlayProvider.h" +#endif + +#include "nsString.h" +#include "nsURIHashKey.h" +#include "nsInterfaceHashtable.h" +#include "nsXULAppAPI.h" +#include "nsIXPConnect.h" + +#include "mozilla/FileLocation.h" + +class nsPIDOMWindowOuter; +class nsIPrefBranch; +class nsIURL; + +// The chrome registry is actually split between nsChromeRegistryChrome and +// nsChromeRegistryContent. The work/data that is common to both resides in +// the shared nsChromeRegistry implementation, with operations that only make +// sense for one side erroring out in the other. + +// for component registration +// {47049e42-1d87-482a-984d-56ae185e367a} +#define NS_CHROMEREGISTRY_CID \ +{ 0x47049e42, 0x1d87, 0x482a, { 0x98, 0x4d, 0x56, 0xae, 0x18, 0x5e, 0x36, 0x7a } } + +class nsChromeRegistry : public nsIToolkitChromeRegistry, +#ifdef MOZ_XUL + public nsIXULOverlayProvider, +#endif + public nsIObserver, + public nsSupportsWeakReference +{ +public: + NS_DECL_ISUPPORTS + + // nsIXULChromeRegistry methods: + NS_IMETHOD ReloadChrome() override; + NS_IMETHOD RefreshSkins() override; + NS_IMETHOD AllowScriptsForPackage(nsIURI* url, + bool* _retval) override; + NS_IMETHOD AllowContentToAccess(nsIURI* url, + bool* _retval) override; + NS_IMETHOD CanLoadURLRemotely(nsIURI* url, + bool* _retval) override; + NS_IMETHOD MustLoadURLRemotely(nsIURI* url, + bool* _retval) override; + + // nsIChromeRegistry methods: + NS_IMETHOD_(bool) WrappersEnabled(nsIURI *aURI) override; + NS_IMETHOD ConvertChromeURL(nsIURI* aChromeURI, nsIURI* *aResult) override; + + // nsChromeRegistry methods: + nsChromeRegistry() : mInitialized(false) { } + + virtual nsresult Init(); + + static already_AddRefed<nsIChromeRegistry> GetService(); + + static nsChromeRegistry* gChromeRegistry; + + static nsresult Canonify(nsIURL* aChromeURL); + +protected: + virtual ~nsChromeRegistry(); + + void FlushSkinCaches(); + void FlushAllCaches(); + + // Update the selected locale used by the chrome registry, and fire a + // notification about this change + virtual nsresult UpdateSelectedLocale() = 0; + + static void LogMessage(const char* aMsg, ...); + static void LogMessageWithContext(nsIURI* aURL, uint32_t aLineNumber, uint32_t flags, + const char* aMsg, ...); + + virtual nsIURI* GetBaseURIFromPackage(const nsCString& aPackage, + const nsCString& aProvider, + const nsCString& aPath) = 0; + virtual nsresult GetFlagsFromPackage(const nsCString& aPackage, + uint32_t* aFlags) = 0; + + nsresult SelectLocaleFromPref(nsIPrefBranch* prefs); + + static nsresult RefreshWindow(nsPIDOMWindowOuter* aWindow); + static nsresult GetProviderAndPath(nsIURL* aChromeURL, + nsACString& aProvider, nsACString& aPath); + + bool GetDirectionForLocale(const nsACString& aLocale); + + void SanitizeForBCP47(nsACString& aLocale); + +public: + static already_AddRefed<nsChromeRegistry> GetSingleton(); + + struct ManifestProcessingContext + { + ManifestProcessingContext(NSLocationType aType, mozilla::FileLocation &aFile) + : mType(aType) + , mFile(aFile) + { } + + ~ManifestProcessingContext() + { } + + nsIURI* GetManifestURI(); + nsIXPConnect* GetXPConnect(); + + already_AddRefed<nsIURI> ResolveURI(const char* uri); + + NSLocationType mType; + mozilla::FileLocation mFile; + nsCOMPtr<nsIURI> mManifestURI; + nsCOMPtr<nsIXPConnect> mXPConnect; + }; + + virtual void ManifestContent(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + virtual void ManifestLocale(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + virtual void ManifestSkin(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + virtual void ManifestOverlay(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + virtual void ManifestStyle(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + virtual void ManifestOverride(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + virtual void ManifestResource(ManifestProcessingContext& cx, int lineno, + char *const * argv, int flags) = 0; + + // Available flags + enum { + // This is a "platform" package (e.g. chrome://global-platform/). + // Appends one of win/ unix/ mac/ to the base URI. + PLATFORM_PACKAGE = 1 << 0, + + // This package should use the new XPCNativeWrappers to separate + // content from chrome. This flag is currently unused (because we call + // into xpconnect at registration time). + XPCNATIVEWRAPPERS = 1 << 1, + + // Content script may access files in this package + CONTENT_ACCESSIBLE = 1 << 2, + + // Package may be loaded remotely + REMOTE_ALLOWED = 1 << 3, + + // Package must be loaded remotely + REMOTE_REQUIRED = 1 << 4, + }; + + bool mInitialized; + + // "Override" table (chrome URI string -> real URI) + nsInterfaceHashtable<nsURIHashKey, nsIURI> mOverrideTable; +}; + +#endif // nsChromeRegistry_h |