зеркало из https://github.com/mozilla/pjs.git
261 строка
7.6 KiB
C++
261 строка
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Masayuki Nakano <masayuki@d-toybox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsToolkit.h"
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#include "nsAppShell.h"
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#include "nsWindow.h"
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#include "nsWidgetsCID.h"
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#include "prmon.h"
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#include "prtime.h"
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#include "nsGUIEvent.h"
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#include "nsIServiceManager.h"
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#include "nsComponentManagerUtils.h"
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#include <objbase.h>
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#include <initguid.h>
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#include "nsUXThemeData.h"
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// unknwn.h is needed to build with WIN32_LEAN_AND_MEAN
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#include <unknwn.h>
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nsToolkit* nsToolkit::gToolkit = nsnull;
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HINSTANCE nsToolkit::mDllInstance = 0;
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static const unsigned long kD3DUsageDelay = 5000;
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static void
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StartAllowingD3D9(nsITimer *aTimer, void *aClosure)
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{
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nsWindow::StartAllowingD3D9(true);
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}
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MouseTrailer* nsToolkit::gMouseTrailer;
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//-------------------------------------------------------------------------
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//
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// constructor
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//
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//-------------------------------------------------------------------------
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nsToolkit::nsToolkit()
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{
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MOZ_COUNT_CTOR(nsToolkit);
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#if defined(MOZ_STATIC_COMPONENT_LIBS)
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nsToolkit::Startup(GetModuleHandle(NULL));
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#endif
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gMouseTrailer = &mMouseTrailer;
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mD3D9Timer = do_CreateInstance("@mozilla.org/timer;1");
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mD3D9Timer->InitWithFuncCallback(::StartAllowingD3D9,
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NULL,
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kD3DUsageDelay,
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nsITimer::TYPE_ONE_SHOT);
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}
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//-------------------------------------------------------------------------
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//
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// destructor
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//
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//-------------------------------------------------------------------------
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nsToolkit::~nsToolkit()
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{
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MOZ_COUNT_DTOR(nsToolkit);
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gMouseTrailer = nsnull;
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}
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void
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nsToolkit::Startup(HMODULE hModule)
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{
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nsToolkit::mDllInstance = hModule;
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nsUXThemeData::Initialize();
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}
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void
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nsToolkit::Shutdown()
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{
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delete gToolkit;
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gToolkit = nsnull;
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}
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void
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nsToolkit::StartAllowingD3D9()
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{
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nsToolkit::GetToolkit()->mD3D9Timer->Cancel();
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nsWindow::StartAllowingD3D9(false);
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}
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//-------------------------------------------------------------------------
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//
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// Return the nsToolkit for the current thread. If a toolkit does not
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// yet exist, then one will be created...
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//
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//-------------------------------------------------------------------------
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// static
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nsToolkit* nsToolkit::GetToolkit()
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{
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if (!gToolkit) {
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gToolkit = new nsToolkit();
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}
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return gToolkit;
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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MouseTrailer::MouseTrailer() : mMouseTrailerWindow(nsnull), mCaptureWindow(nsnull),
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mIsInCaptureMode(false), mEnabled(true)
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{
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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MouseTrailer::~MouseTrailer()
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{
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DestroyTimer();
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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void MouseTrailer::SetMouseTrailerWindow(HWND aWnd)
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{
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if (mMouseTrailerWindow != aWnd && mTimer) {
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// Make sure TimerProc is fired at least once for the old window
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TimerProc(nsnull, nsnull);
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}
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mMouseTrailerWindow = aWnd;
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CreateTimer();
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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void MouseTrailer::SetCaptureWindow(HWND aWnd)
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{
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mCaptureWindow = aWnd;
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if (mCaptureWindow) {
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mIsInCaptureMode = true;
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}
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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nsresult MouseTrailer::CreateTimer()
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{
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if (mTimer || !mEnabled) {
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return NS_OK;
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}
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nsresult rv;
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mTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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return mTimer->InitWithFuncCallback(TimerProc, nsnull, 200,
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nsITimer::TYPE_REPEATING_SLACK);
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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void MouseTrailer::DestroyTimer()
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{
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if (mTimer) {
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mTimer->Cancel();
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mTimer = nsnull;
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}
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}
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//-------------------------------------------------------------------------
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//
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//
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//-------------------------------------------------------------------------
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void MouseTrailer::TimerProc(nsITimer* aTimer, void* aClosure)
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{
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MouseTrailer *mtrailer = nsToolkit::gMouseTrailer;
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NS_ASSERTION(mtrailer, "MouseTrailer still firing after deletion!");
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// Check to see if we are in mouse capture mode,
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// Once capture ends we could still get back one more timer event.
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// Capture could end outside our window.
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// Also, for some reason when the mouse is on the frame it thinks that
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// it is inside the window that is being captured.
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if (mtrailer->mCaptureWindow) {
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if (mtrailer->mCaptureWindow != mtrailer->mMouseTrailerWindow) {
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return;
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}
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} else {
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if (mtrailer->mIsInCaptureMode) {
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// mMouseTrailerWindow could be bad from rolling over the frame, so clear
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// it if we were capturing and now this is the first timer callback
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// since we canceled the capture
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mtrailer->mMouseTrailerWindow = nsnull;
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mtrailer->mIsInCaptureMode = false;
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return;
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}
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}
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if (mtrailer->mMouseTrailerWindow && ::IsWindow(mtrailer->mMouseTrailerWindow)) {
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POINT mp;
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DWORD pos = ::GetMessagePos();
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mp.x = GET_X_LPARAM(pos);
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mp.y = GET_Y_LPARAM(pos);
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HWND mouseWnd = ::WindowFromPoint(mp);
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if (mtrailer->mMouseTrailerWindow != mouseWnd) {
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// Notify someone that a mouse exit happened.
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PostMessage(mtrailer->mMouseTrailerWindow, WM_MOUSELEAVE, 0, 0);
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// we are out of this window, destroy timer
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mtrailer->DestroyTimer();
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mtrailer->mMouseTrailerWindow = nsnull;
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}
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} else {
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mtrailer->DestroyTimer();
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mtrailer->mMouseTrailerWindow = nsnull;
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}
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}
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