The Tor Browser / file comparison
comparison: widget/windows/nsToolkit.cpp
widget/windows/nsToolkit.cpp
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:59ca21dd9066 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsToolkit.h" | |
| 7 #include "nsAppShell.h" | |
| 8 #include "nsWindow.h" | |
| 9 #include "nsWidgetsCID.h" | |
| 10 #include "prmon.h" | |
| 11 #include "prtime.h" | |
| 12 #include "nsIServiceManager.h" | |
| 13 #include "nsComponentManagerUtils.h" | |
| 14 #include <objbase.h> | |
| 15 #include "WinUtils.h" | |
| 16 | |
| 17 #include "nsUXThemeData.h" | |
| 18 | |
| 19 // unknwn.h is needed to build with WIN32_LEAN_AND_MEAN | |
| 20 #include <unknwn.h> | |
| 21 | |
| 22 using namespace mozilla::widget; | |
| 23 | |
| 24 nsToolkit* nsToolkit::gToolkit = nullptr; | |
| 25 HINSTANCE nsToolkit::mDllInstance = 0; | |
| 26 static const unsigned long kD3DUsageDelay = 5000; | |
| 27 | |
| 28 static void | |
| 29 StartAllowingD3D9(nsITimer *aTimer, void *aClosure) | |
| 30 { | |
| 31 if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) { | |
| 32 nsWindow::StartAllowingD3D9(true); | |
| 33 } | |
| 34 } | |
| 35 | |
| 36 MouseTrailer* nsToolkit::gMouseTrailer; | |
| 37 | |
| 38 //------------------------------------------------------------------------- | |
| 39 // | |
| 40 // constructor | |
| 41 // | |
| 42 //------------------------------------------------------------------------- | |
| 43 nsToolkit::nsToolkit() | |
| 44 { | |
| 45 MOZ_COUNT_CTOR(nsToolkit); | |
| 46 | |
| 47 #if defined(MOZ_STATIC_COMPONENT_LIBS) | |
| 48 nsToolkit::Startup(GetModuleHandle(nullptr)); | |
| 49 #endif | |
| 50 | |
| 51 gMouseTrailer = &mMouseTrailer; | |
| 52 | |
| 53 if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) { | |
| 54 mD3D9Timer = do_CreateInstance("@mozilla.org/timer;1"); | |
| 55 mD3D9Timer->InitWithFuncCallback(::StartAllowingD3D9, | |
| 56 nullptr, | |
| 57 kD3DUsageDelay, | |
| 58 nsITimer::TYPE_ONE_SHOT); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 //------------------------------------------------------------------------- | |
| 64 // | |
| 65 // destructor | |
| 66 // | |
| 67 //------------------------------------------------------------------------- | |
| 68 nsToolkit::~nsToolkit() | |
| 69 { | |
| 70 MOZ_COUNT_DTOR(nsToolkit); | |
| 71 gMouseTrailer = nullptr; | |
| 72 } | |
| 73 | |
| 74 void | |
| 75 nsToolkit::Startup(HMODULE hModule) | |
| 76 { | |
| 77 nsToolkit::mDllInstance = hModule; | |
| 78 WinUtils::Initialize(); | |
| 79 nsUXThemeData::Initialize(); | |
| 80 } | |
| 81 | |
| 82 void | |
| 83 nsToolkit::Shutdown() | |
| 84 { | |
| 85 delete gToolkit; | |
| 86 gToolkit = nullptr; | |
| 87 } | |
| 88 | |
| 89 void | |
| 90 nsToolkit::StartAllowingD3D9() | |
| 91 { | |
| 92 if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) { | |
| 93 nsToolkit::GetToolkit()->mD3D9Timer->Cancel(); | |
| 94 nsWindow::StartAllowingD3D9(false); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 //------------------------------------------------------------------------- | |
| 99 // | |
| 100 // Return the nsToolkit for the current thread. If a toolkit does not | |
| 101 // yet exist, then one will be created... | |
| 102 // | |
| 103 //------------------------------------------------------------------------- | |
| 104 // static | |
| 105 nsToolkit* nsToolkit::GetToolkit() | |
| 106 { | |
| 107 if (!gToolkit) { | |
| 108 gToolkit = new nsToolkit(); | |
| 109 } | |
| 110 | |
| 111 return gToolkit; | |
| 112 } | |
| 113 | |
| 114 | |
| 115 //------------------------------------------------------------------------- | |
| 116 // | |
| 117 // | |
| 118 //------------------------------------------------------------------------- | |
| 119 MouseTrailer::MouseTrailer() : mMouseTrailerWindow(nullptr), mCaptureWindow(nullptr), | |
| 120 mIsInCaptureMode(false), mEnabled(true) | |
| 121 { | |
| 122 } | |
| 123 //------------------------------------------------------------------------- | |
| 124 // | |
| 125 // | |
| 126 //------------------------------------------------------------------------- | |
| 127 MouseTrailer::~MouseTrailer() | |
| 128 { | |
| 129 DestroyTimer(); | |
| 130 } | |
| 131 //------------------------------------------------------------------------- | |
| 132 // | |
| 133 // | |
| 134 //------------------------------------------------------------------------- | |
| 135 void MouseTrailer::SetMouseTrailerWindow(HWND aWnd) | |
| 136 { | |
| 137 if (mMouseTrailerWindow != aWnd && mTimer) { | |
| 138 // Make sure TimerProc is fired at least once for the old window | |
| 139 TimerProc(nullptr, nullptr); | |
| 140 } | |
| 141 mMouseTrailerWindow = aWnd; | |
| 142 CreateTimer(); | |
| 143 } | |
| 144 | |
| 145 //------------------------------------------------------------------------- | |
| 146 // | |
| 147 // | |
| 148 //------------------------------------------------------------------------- | |
| 149 void MouseTrailer::SetCaptureWindow(HWND aWnd) | |
| 150 { | |
| 151 mCaptureWindow = aWnd; | |
| 152 if (mCaptureWindow) { | |
| 153 mIsInCaptureMode = true; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 //------------------------------------------------------------------------- | |
| 158 // | |
| 159 // | |
| 160 //------------------------------------------------------------------------- | |
| 161 nsresult MouseTrailer::CreateTimer() | |
| 162 { | |
| 163 if (mTimer || !mEnabled) { | |
| 164 return NS_OK; | |
| 165 } | |
| 166 | |
| 167 nsresult rv; | |
| 168 mTimer = do_CreateInstance("@mozilla.org/timer;1", &rv); | |
| 169 NS_ENSURE_SUCCESS(rv, rv); | |
| 170 | |
| 171 return mTimer->InitWithFuncCallback(TimerProc, nullptr, 200, | |
| 172 nsITimer::TYPE_REPEATING_SLACK); | |
| 173 } | |
| 174 | |
| 175 //------------------------------------------------------------------------- | |
| 176 // | |
| 177 // | |
| 178 //------------------------------------------------------------------------- | |
| 179 void MouseTrailer::DestroyTimer() | |
| 180 { | |
| 181 if (mTimer) { | |
| 182 mTimer->Cancel(); | |
| 183 mTimer = nullptr; | |
| 184 } | |
| 185 } | |
| 186 | |
| 187 //------------------------------------------------------------------------- | |
| 188 // | |
| 189 // | |
| 190 //------------------------------------------------------------------------- | |
| 191 void MouseTrailer::TimerProc(nsITimer* aTimer, void* aClosure) | |
| 192 { | |
| 193 MouseTrailer *mtrailer = nsToolkit::gMouseTrailer; | |
| 194 NS_ASSERTION(mtrailer, "MouseTrailer still firing after deletion!"); | |
| 195 | |
| 196 // Check to see if we are in mouse capture mode, | |
| 197 // Once capture ends we could still get back one more timer event. | |
| 198 // Capture could end outside our window. | |
| 199 // Also, for some reason when the mouse is on the frame it thinks that | |
| 200 // it is inside the window that is being captured. | |
| 201 if (mtrailer->mCaptureWindow) { | |
| 202 if (mtrailer->mCaptureWindow != mtrailer->mMouseTrailerWindow) { | |
| 203 return; | |
| 204 } | |
| 205 } else { | |
| 206 if (mtrailer->mIsInCaptureMode) { | |
| 207 // mMouseTrailerWindow could be bad from rolling over the frame, so clear | |
| 208 // it if we were capturing and now this is the first timer callback | |
| 209 // since we canceled the capture | |
| 210 mtrailer->mMouseTrailerWindow = nullptr; | |
| 211 mtrailer->mIsInCaptureMode = false; | |
| 212 return; | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 if (mtrailer->mMouseTrailerWindow && ::IsWindow(mtrailer->mMouseTrailerWindow)) { | |
| 217 POINT mp; | |
| 218 DWORD pos = ::GetMessagePos(); | |
| 219 mp.x = GET_X_LPARAM(pos); | |
| 220 mp.y = GET_Y_LPARAM(pos); | |
| 221 HWND mouseWnd = ::WindowFromPoint(mp); | |
| 222 if (mtrailer->mMouseTrailerWindow != mouseWnd) { | |
| 223 // Notify someone that a mouse exit happened. | |
| 224 PostMessage(mtrailer->mMouseTrailerWindow, WM_MOUSELEAVE, 0, 0); | |
| 225 | |
| 226 // we are out of this window, destroy timer | |
| 227 mtrailer->DestroyTimer(); | |
| 228 mtrailer->mMouseTrailerWindow = nullptr; | |
| 229 } | |
| 230 } else { | |
| 231 mtrailer->DestroyTimer(); | |
| 232 mtrailer->mMouseTrailerWindow = nullptr; | |
| 233 } | |
| 234 } | |
| 235 |
