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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=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 IPC_GLUE_WINDOWSMESSAGELOOP_H
#define IPC_GLUE_WINDOWSMESSAGELOOP_H
// This file is only meant to compile on windows
#include <windows.h>
#include "nsISupportsImpl.h"
namespace mozilla {
namespace ipc {
namespace windows {
void InitUIThread();
class DeferredMessage
{
public:
DeferredMessage()
{
MOZ_COUNT_CTOR(DeferredMessage);
}
virtual ~DeferredMessage()
{
MOZ_COUNT_DTOR(DeferredMessage);
}
virtual void Run() = 0;
};
// Uses CallWndProc to deliver a message at a later time. Messages faked with
// this class must not have pointers in their wParam or lParam members as they
// may be invalid by the time the message actually runs.
class DeferredSendMessage : public DeferredMessage
{
public:
DeferredSendMessage(HWND aHWnd,
UINT aMessage,
WPARAM aWParam,
LPARAM aLParam)
: hWnd(aHWnd),
message(aMessage),
wParam(aWParam),
lParam(aLParam)
{ }
virtual void Run();
protected:
HWND hWnd;
UINT message;
WPARAM wParam;
LPARAM lParam;
};
// Uses RedrawWindow to fake several painting-related messages. Flags passed
// to the constructor go directly to RedrawWindow.
class DeferredRedrawMessage : public DeferredMessage
{
public:
DeferredRedrawMessage(HWND aHWnd,
UINT aFlags)
: hWnd(aHWnd),
flags(aFlags)
{ }
virtual void Run();
private:
HWND hWnd;
UINT flags;
};
// Uses UpdateWindow to generate a WM_PAINT message if needed.
class DeferredUpdateMessage : public DeferredMessage
{
public:
DeferredUpdateMessage(HWND aHWnd);
virtual void Run();
private:
HWND mWnd;
RECT mUpdateRect;
};
// This class duplicates a string that may exist in the lParam member of the
// message.
class DeferredSettingChangeMessage : public DeferredSendMessage
{
public:
DeferredSettingChangeMessage(HWND aHWnd,
UINT aMessage,
WPARAM aWParam,
LPARAM aLParam);
~DeferredSettingChangeMessage();
private:
wchar_t* lParamString;
};
// This class uses SetWindowPos to fake various size-related messages. Flags
// passed to the constructor go straight through to SetWindowPos.
class DeferredWindowPosMessage : public DeferredMessage
{
public:
DeferredWindowPosMessage(HWND aHWnd,
LPARAM aLParam,
bool aForCalcSize = false,
WPARAM aWParam = 0);
virtual void Run();
private:
WINDOWPOS windowPos;
};
// This class duplicates a data buffer for a WM_COPYDATA message.
class DeferredCopyDataMessage : public DeferredSendMessage
{
public:
DeferredCopyDataMessage(HWND aHWnd,
UINT aMessage,
WPARAM aWParam,
LPARAM aLParam);
~DeferredCopyDataMessage();
private:
COPYDATASTRUCT copyData;
};
class DeferredStyleChangeMessage : public DeferredMessage
{
public:
DeferredStyleChangeMessage(HWND aHWnd,
WPARAM aWParam,
LPARAM aLParam);
virtual void Run();
private:
HWND hWnd;
int index;
LONG_PTR style;
};
class DeferredSetIconMessage : public DeferredSendMessage
{
public:
DeferredSetIconMessage(HWND aHWnd,
UINT aMessage,
WPARAM aWParam,
LPARAM aLParam);
virtual void Run();
};
} /* namespace windows */
} /* namespace ipc */
} /* namespace mozilla */
#endif /* IPC_GLUE_WINDOWSMESSAGELOOP_H */
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