michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=2 et :
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef IPC_GLUE_WINDOWSMESSAGELOOP_H
michael@0: #define IPC_GLUE_WINDOWSMESSAGELOOP_H
michael@0: 
michael@0: // This file is only meant to compile on windows
michael@0: #include <windows.h>
michael@0: 
michael@0: #include "base/basictypes.h"
michael@0: #include "nsISupportsImpl.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace ipc {
michael@0: namespace windows {
michael@0: 
michael@0: void InitUIThread();
michael@0: 
michael@0: class DeferredMessage
michael@0: {
michael@0: public:
michael@0:   DeferredMessage()
michael@0:   {
michael@0:     MOZ_COUNT_CTOR(DeferredMessage);
michael@0:   }
michael@0: 
michael@0:   virtual ~DeferredMessage()
michael@0:   {
michael@0:     MOZ_COUNT_DTOR(DeferredMessage);
michael@0:   }
michael@0: 
michael@0:   virtual void Run() = 0;
michael@0: };
michael@0: 
michael@0: // Uses CallWndProc to deliver a message at a later time. Messages faked with
michael@0: // this class must not have pointers in their wParam or lParam members as they
michael@0: // may be invalid by the time the message actually runs.
michael@0: class DeferredSendMessage : public DeferredMessage
michael@0: {
michael@0: public:
michael@0:   DeferredSendMessage(HWND aHWnd,
michael@0:                       UINT aMessage,
michael@0:                       WPARAM aWParam,
michael@0:                       LPARAM aLParam)
michael@0:     : hWnd(aHWnd),
michael@0:       message(aMessage),
michael@0:       wParam(aWParam),
michael@0:       lParam(aLParam)
michael@0:   { }
michael@0: 
michael@0:   virtual void Run();
michael@0: 
michael@0: protected:
michael@0:     HWND hWnd;
michael@0:     UINT message;
michael@0:     WPARAM wParam;
michael@0:     LPARAM lParam;
michael@0: };
michael@0: 
michael@0: // Uses RedrawWindow to fake several painting-related messages. Flags passed
michael@0: // to the constructor go directly to RedrawWindow.
michael@0: class DeferredRedrawMessage : public DeferredMessage
michael@0: {
michael@0: public:
michael@0:   DeferredRedrawMessage(HWND aHWnd,
michael@0:                         UINT aFlags)
michael@0:     : hWnd(aHWnd),
michael@0:       flags(aFlags)
michael@0:   { }
michael@0: 
michael@0:   virtual void Run();
michael@0: 
michael@0: private:
michael@0:   HWND hWnd;
michael@0:   UINT flags;
michael@0: };
michael@0: 
michael@0: // Uses UpdateWindow to generate a WM_PAINT message if needed.
michael@0: class DeferredUpdateMessage : public DeferredMessage
michael@0: {
michael@0: public:
michael@0:   DeferredUpdateMessage(HWND aHWnd);
michael@0: 
michael@0:   virtual void Run();
michael@0: 
michael@0: private:
michael@0:   HWND mWnd;
michael@0:   RECT mUpdateRect;
michael@0: };
michael@0: 
michael@0: // This class duplicates a string that may exist in the lParam member of the
michael@0: // message.
michael@0: class DeferredSettingChangeMessage : public DeferredSendMessage
michael@0: {
michael@0: public:
michael@0:   DeferredSettingChangeMessage(HWND aHWnd,
michael@0:                                UINT aMessage,
michael@0:                                WPARAM aWParam,
michael@0:                                LPARAM aLParam);
michael@0: 
michael@0:   ~DeferredSettingChangeMessage();
michael@0: private:
michael@0:   wchar_t* lParamString;
michael@0: };
michael@0: 
michael@0: // This class uses SetWindowPos to fake various size-related messages. Flags
michael@0: // passed to the constructor go straight through to SetWindowPos.
michael@0: class DeferredWindowPosMessage : public DeferredMessage
michael@0: {
michael@0: public:
michael@0:   DeferredWindowPosMessage(HWND aHWnd,
michael@0:                            LPARAM aLParam,
michael@0:                            bool aForCalcSize = false,
michael@0:                            WPARAM aWParam = 0);
michael@0: 
michael@0:   virtual void Run();
michael@0: 
michael@0: private:
michael@0:   WINDOWPOS windowPos;
michael@0: };
michael@0: 
michael@0: // This class duplicates a data buffer for a WM_COPYDATA message.
michael@0: class DeferredCopyDataMessage : public DeferredSendMessage
michael@0: {
michael@0: public:
michael@0:   DeferredCopyDataMessage(HWND aHWnd,
michael@0:                           UINT aMessage,
michael@0:                           WPARAM aWParam,
michael@0:                           LPARAM aLParam);
michael@0: 
michael@0:   ~DeferredCopyDataMessage();
michael@0: private:
michael@0:   COPYDATASTRUCT copyData;
michael@0: };
michael@0: 
michael@0: class DeferredStyleChangeMessage : public DeferredMessage
michael@0: {
michael@0: public:
michael@0:   DeferredStyleChangeMessage(HWND aHWnd,
michael@0:                              WPARAM aWParam,
michael@0:                              LPARAM aLParam);
michael@0: 
michael@0:   virtual void Run();
michael@0: 
michael@0: private:
michael@0:   HWND hWnd;
michael@0:   int index;
michael@0:   LONG_PTR style;
michael@0: };
michael@0: 
michael@0: class DeferredSetIconMessage : public DeferredSendMessage
michael@0: {
michael@0: public:
michael@0:   DeferredSetIconMessage(HWND aHWnd,
michael@0:                          UINT aMessage,
michael@0:                          WPARAM aWParam,
michael@0:                          LPARAM aLParam);
michael@0: 
michael@0:   virtual void Run();
michael@0: };
michael@0: 
michael@0: } /* namespace windows */
michael@0: } /* namespace ipc */
michael@0: } /* namespace mozilla */
michael@0: 
michael@0: #endif /* IPC_GLUE_WINDOWSMESSAGELOOP_H */