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comparison: ipc/glue/WindowsMessageLoop.h
ipc/glue/WindowsMessageLoop.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=2 et : | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #ifndef IPC_GLUE_WINDOWSMESSAGELOOP_H | |
| 9 #define IPC_GLUE_WINDOWSMESSAGELOOP_H | |
| 10 | |
| 11 // This file is only meant to compile on windows | |
| 12 #include <windows.h> | |
| 13 | |
| 14 #include "base/basictypes.h" | |
| 15 #include "nsISupportsImpl.h" | |
| 16 | |
| 17 namespace mozilla { | |
| 18 namespace ipc { | |
| 19 namespace windows { | |
| 20 | |
| 21 void InitUIThread(); | |
| 22 | |
| 23 class DeferredMessage | |
| 24 { | |
| 25 public: | |
| 26 DeferredMessage() | |
| 27 { | |
| 28 MOZ_COUNT_CTOR(DeferredMessage); | |
| 29 } | |
| 30 | |
| 31 virtual ~DeferredMessage() | |
| 32 { | |
| 33 MOZ_COUNT_DTOR(DeferredMessage); | |
| 34 } | |
| 35 | |
| 36 virtual void Run() = 0; | |
| 37 }; | |
| 38 | |
| 39 // Uses CallWndProc to deliver a message at a later time. Messages faked with | |
| 40 // this class must not have pointers in their wParam or lParam members as they | |
| 41 // may be invalid by the time the message actually runs. | |
| 42 class DeferredSendMessage : public DeferredMessage | |
| 43 { | |
| 44 public: | |
| 45 DeferredSendMessage(HWND aHWnd, | |
| 46 UINT aMessage, | |
| 47 WPARAM aWParam, | |
| 48 LPARAM aLParam) | |
| 49 : hWnd(aHWnd), | |
| 50 message(aMessage), | |
| 51 wParam(aWParam), | |
| 52 lParam(aLParam) | |
| 53 { } | |
| 54 | |
| 55 virtual void Run(); | |
| 56 | |
| 57 protected: | |
| 58 HWND hWnd; | |
| 59 UINT message; | |
| 60 WPARAM wParam; | |
| 61 LPARAM lParam; | |
| 62 }; | |
| 63 | |
| 64 // Uses RedrawWindow to fake several painting-related messages. Flags passed | |
| 65 // to the constructor go directly to RedrawWindow. | |
| 66 class DeferredRedrawMessage : public DeferredMessage | |
| 67 { | |
| 68 public: | |
| 69 DeferredRedrawMessage(HWND aHWnd, | |
| 70 UINT aFlags) | |
| 71 : hWnd(aHWnd), | |
| 72 flags(aFlags) | |
| 73 { } | |
| 74 | |
| 75 virtual void Run(); | |
| 76 | |
| 77 private: | |
| 78 HWND hWnd; | |
| 79 UINT flags; | |
| 80 }; | |
| 81 | |
| 82 // Uses UpdateWindow to generate a WM_PAINT message if needed. | |
| 83 class DeferredUpdateMessage : public DeferredMessage | |
| 84 { | |
| 85 public: | |
| 86 DeferredUpdateMessage(HWND aHWnd); | |
| 87 | |
| 88 virtual void Run(); | |
| 89 | |
| 90 private: | |
| 91 HWND mWnd; | |
| 92 RECT mUpdateRect; | |
| 93 }; | |
| 94 | |
| 95 // This class duplicates a string that may exist in the lParam member of the | |
| 96 // message. | |
| 97 class DeferredSettingChangeMessage : public DeferredSendMessage | |
| 98 { | |
| 99 public: | |
| 100 DeferredSettingChangeMessage(HWND aHWnd, | |
| 101 UINT aMessage, | |
| 102 WPARAM aWParam, | |
| 103 LPARAM aLParam); | |
| 104 | |
| 105 ~DeferredSettingChangeMessage(); | |
| 106 private: | |
| 107 wchar_t* lParamString; | |
| 108 }; | |
| 109 | |
| 110 // This class uses SetWindowPos to fake various size-related messages. Flags | |
| 111 // passed to the constructor go straight through to SetWindowPos. | |
| 112 class DeferredWindowPosMessage : public DeferredMessage | |
| 113 { | |
| 114 public: | |
| 115 DeferredWindowPosMessage(HWND aHWnd, | |
| 116 LPARAM aLParam, | |
| 117 bool aForCalcSize = false, | |
| 118 WPARAM aWParam = 0); | |
| 119 | |
| 120 virtual void Run(); | |
| 121 | |
| 122 private: | |
| 123 WINDOWPOS windowPos; | |
| 124 }; | |
| 125 | |
| 126 // This class duplicates a data buffer for a WM_COPYDATA message. | |
| 127 class DeferredCopyDataMessage : public DeferredSendMessage | |
| 128 { | |
| 129 public: | |
| 130 DeferredCopyDataMessage(HWND aHWnd, | |
| 131 UINT aMessage, | |
| 132 WPARAM aWParam, | |
| 133 LPARAM aLParam); | |
| 134 | |
| 135 ~DeferredCopyDataMessage(); | |
| 136 private: | |
| 137 COPYDATASTRUCT copyData; | |
| 138 }; | |
| 139 | |
| 140 class DeferredStyleChangeMessage : public DeferredMessage | |
| 141 { | |
| 142 public: | |
| 143 DeferredStyleChangeMessage(HWND aHWnd, | |
| 144 WPARAM aWParam, | |
| 145 LPARAM aLParam); | |
| 146 | |
| 147 virtual void Run(); | |
| 148 | |
| 149 private: | |
| 150 HWND hWnd; | |
| 151 int index; | |
| 152 LONG_PTR style; | |
| 153 }; | |
| 154 | |
| 155 class DeferredSetIconMessage : public DeferredSendMessage | |
| 156 { | |
| 157 public: | |
| 158 DeferredSetIconMessage(HWND aHWnd, | |
| 159 UINT aMessage, | |
| 160 WPARAM aWParam, | |
| 161 LPARAM aLParam); | |
| 162 | |
| 163 virtual void Run(); | |
| 164 }; | |
| 165 | |
| 166 } /* namespace windows */ | |
| 167 } /* namespace ipc */ | |
| 168 } /* namespace mozilla */ | |
| 169 | |
| 170 #endif /* IPC_GLUE_WINDOWSMESSAGELOOP_H */ |
