/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * vim: sw=2 ts=2 et : */ /* 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 #include "base/basictypes.h" #include "nsISupportsImpl.h" namespace mozilla { namespace ipc { namespace windows { 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 */