1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/windows/nsToolkit.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,235 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsToolkit.h"
1.10 +#include "nsAppShell.h"
1.11 +#include "nsWindow.h"
1.12 +#include "nsWidgetsCID.h"
1.13 +#include "prmon.h"
1.14 +#include "prtime.h"
1.15 +#include "nsIServiceManager.h"
1.16 +#include "nsComponentManagerUtils.h"
1.17 +#include <objbase.h>
1.18 +#include "WinUtils.h"
1.19 +
1.20 +#include "nsUXThemeData.h"
1.21 +
1.22 +// unknwn.h is needed to build with WIN32_LEAN_AND_MEAN
1.23 +#include <unknwn.h>
1.24 +
1.25 +using namespace mozilla::widget;
1.26 +
1.27 +nsToolkit* nsToolkit::gToolkit = nullptr;
1.28 +HINSTANCE nsToolkit::mDllInstance = 0;
1.29 +static const unsigned long kD3DUsageDelay = 5000;
1.30 +
1.31 +static void
1.32 +StartAllowingD3D9(nsITimer *aTimer, void *aClosure)
1.33 +{
1.34 + if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) {
1.35 + nsWindow::StartAllowingD3D9(true);
1.36 + }
1.37 +}
1.38 +
1.39 +MouseTrailer* nsToolkit::gMouseTrailer;
1.40 +
1.41 +//-------------------------------------------------------------------------
1.42 +//
1.43 +// constructor
1.44 +//
1.45 +//-------------------------------------------------------------------------
1.46 +nsToolkit::nsToolkit()
1.47 +{
1.48 + MOZ_COUNT_CTOR(nsToolkit);
1.49 +
1.50 +#if defined(MOZ_STATIC_COMPONENT_LIBS)
1.51 + nsToolkit::Startup(GetModuleHandle(nullptr));
1.52 +#endif
1.53 +
1.54 + gMouseTrailer = &mMouseTrailer;
1.55 +
1.56 + if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) {
1.57 + mD3D9Timer = do_CreateInstance("@mozilla.org/timer;1");
1.58 + mD3D9Timer->InitWithFuncCallback(::StartAllowingD3D9,
1.59 + nullptr,
1.60 + kD3DUsageDelay,
1.61 + nsITimer::TYPE_ONE_SHOT);
1.62 + }
1.63 +}
1.64 +
1.65 +
1.66 +//-------------------------------------------------------------------------
1.67 +//
1.68 +// destructor
1.69 +//
1.70 +//-------------------------------------------------------------------------
1.71 +nsToolkit::~nsToolkit()
1.72 +{
1.73 + MOZ_COUNT_DTOR(nsToolkit);
1.74 + gMouseTrailer = nullptr;
1.75 +}
1.76 +
1.77 +void
1.78 +nsToolkit::Startup(HMODULE hModule)
1.79 +{
1.80 + nsToolkit::mDllInstance = hModule;
1.81 + WinUtils::Initialize();
1.82 + nsUXThemeData::Initialize();
1.83 +}
1.84 +
1.85 +void
1.86 +nsToolkit::Shutdown()
1.87 +{
1.88 + delete gToolkit;
1.89 + gToolkit = nullptr;
1.90 +}
1.91 +
1.92 +void
1.93 +nsToolkit::StartAllowingD3D9()
1.94 +{
1.95 + if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) {
1.96 + nsToolkit::GetToolkit()->mD3D9Timer->Cancel();
1.97 + nsWindow::StartAllowingD3D9(false);
1.98 + }
1.99 +}
1.100 +
1.101 +//-------------------------------------------------------------------------
1.102 +//
1.103 +// Return the nsToolkit for the current thread. If a toolkit does not
1.104 +// yet exist, then one will be created...
1.105 +//
1.106 +//-------------------------------------------------------------------------
1.107 +// static
1.108 +nsToolkit* nsToolkit::GetToolkit()
1.109 +{
1.110 + if (!gToolkit) {
1.111 + gToolkit = new nsToolkit();
1.112 + }
1.113 +
1.114 + return gToolkit;
1.115 +}
1.116 +
1.117 +
1.118 +//-------------------------------------------------------------------------
1.119 +//
1.120 +//
1.121 +//-------------------------------------------------------------------------
1.122 +MouseTrailer::MouseTrailer() : mMouseTrailerWindow(nullptr), mCaptureWindow(nullptr),
1.123 + mIsInCaptureMode(false), mEnabled(true)
1.124 +{
1.125 +}
1.126 +//-------------------------------------------------------------------------
1.127 +//
1.128 +//
1.129 +//-------------------------------------------------------------------------
1.130 +MouseTrailer::~MouseTrailer()
1.131 +{
1.132 + DestroyTimer();
1.133 +}
1.134 +//-------------------------------------------------------------------------
1.135 +//
1.136 +//
1.137 +//-------------------------------------------------------------------------
1.138 +void MouseTrailer::SetMouseTrailerWindow(HWND aWnd)
1.139 +{
1.140 + if (mMouseTrailerWindow != aWnd && mTimer) {
1.141 + // Make sure TimerProc is fired at least once for the old window
1.142 + TimerProc(nullptr, nullptr);
1.143 + }
1.144 + mMouseTrailerWindow = aWnd;
1.145 + CreateTimer();
1.146 +}
1.147 +
1.148 +//-------------------------------------------------------------------------
1.149 +//
1.150 +//
1.151 +//-------------------------------------------------------------------------
1.152 +void MouseTrailer::SetCaptureWindow(HWND aWnd)
1.153 +{
1.154 + mCaptureWindow = aWnd;
1.155 + if (mCaptureWindow) {
1.156 + mIsInCaptureMode = true;
1.157 + }
1.158 +}
1.159 +
1.160 +//-------------------------------------------------------------------------
1.161 +//
1.162 +//
1.163 +//-------------------------------------------------------------------------
1.164 +nsresult MouseTrailer::CreateTimer()
1.165 +{
1.166 + if (mTimer || !mEnabled) {
1.167 + return NS_OK;
1.168 + }
1.169 +
1.170 + nsresult rv;
1.171 + mTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
1.172 + NS_ENSURE_SUCCESS(rv, rv);
1.173 +
1.174 + return mTimer->InitWithFuncCallback(TimerProc, nullptr, 200,
1.175 + nsITimer::TYPE_REPEATING_SLACK);
1.176 +}
1.177 +
1.178 +//-------------------------------------------------------------------------
1.179 +//
1.180 +//
1.181 +//-------------------------------------------------------------------------
1.182 +void MouseTrailer::DestroyTimer()
1.183 +{
1.184 + if (mTimer) {
1.185 + mTimer->Cancel();
1.186 + mTimer = nullptr;
1.187 + }
1.188 +}
1.189 +
1.190 +//-------------------------------------------------------------------------
1.191 +//
1.192 +//
1.193 +//-------------------------------------------------------------------------
1.194 +void MouseTrailer::TimerProc(nsITimer* aTimer, void* aClosure)
1.195 +{
1.196 + MouseTrailer *mtrailer = nsToolkit::gMouseTrailer;
1.197 + NS_ASSERTION(mtrailer, "MouseTrailer still firing after deletion!");
1.198 +
1.199 + // Check to see if we are in mouse capture mode,
1.200 + // Once capture ends we could still get back one more timer event.
1.201 + // Capture could end outside our window.
1.202 + // Also, for some reason when the mouse is on the frame it thinks that
1.203 + // it is inside the window that is being captured.
1.204 + if (mtrailer->mCaptureWindow) {
1.205 + if (mtrailer->mCaptureWindow != mtrailer->mMouseTrailerWindow) {
1.206 + return;
1.207 + }
1.208 + } else {
1.209 + if (mtrailer->mIsInCaptureMode) {
1.210 + // mMouseTrailerWindow could be bad from rolling over the frame, so clear
1.211 + // it if we were capturing and now this is the first timer callback
1.212 + // since we canceled the capture
1.213 + mtrailer->mMouseTrailerWindow = nullptr;
1.214 + mtrailer->mIsInCaptureMode = false;
1.215 + return;
1.216 + }
1.217 + }
1.218 +
1.219 + if (mtrailer->mMouseTrailerWindow && ::IsWindow(mtrailer->mMouseTrailerWindow)) {
1.220 + POINT mp;
1.221 + DWORD pos = ::GetMessagePos();
1.222 + mp.x = GET_X_LPARAM(pos);
1.223 + mp.y = GET_Y_LPARAM(pos);
1.224 + HWND mouseWnd = ::WindowFromPoint(mp);
1.225 + if (mtrailer->mMouseTrailerWindow != mouseWnd) {
1.226 + // Notify someone that a mouse exit happened.
1.227 + PostMessage(mtrailer->mMouseTrailerWindow, WM_MOUSELEAVE, 0, 0);
1.228 +
1.229 + // we are out of this window, destroy timer
1.230 + mtrailer->DestroyTimer();
1.231 + mtrailer->mMouseTrailerWindow = nullptr;
1.232 + }
1.233 + } else {
1.234 + mtrailer->DestroyTimer();
1.235 + mtrailer->mMouseTrailerWindow = nullptr;
1.236 + }
1.237 +}
1.238 +
