mirror of
https://github.com/mozilla/gecko-dev.git
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e5ed95579b
find . -type f | grep -v \./obj | grep -v \.hg | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)gfxImageFormat\(ARGB32\|RGB24\|A8\|A1\|RGB16_565\|Unknown\)\($\|[^A-Za-z0-9_]\)/\1gfxImageFormat::\2\3/g'
1239 lines
36 KiB
C++
1239 lines
36 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sts=2 sw=2 et cin: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WinUtils.h"
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#include "nsWindow.h"
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#include "nsWindowDefs.h"
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#include "KeyboardLayout.h"
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#include "nsIDOMMouseEvent.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/WindowsVersion.h"
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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG /* Allow logging in the release build */
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#endif // MOZ_LOGGING
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#include "prlog.h"
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#include "nsString.h"
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#include "nsDirectoryServiceUtils.h"
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#include "imgIContainer.h"
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#include "imgITools.h"
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#include "nsStringStream.h"
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#include "nsNetUtil.h"
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#ifdef MOZ_PLACES
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#include "mozIAsyncFavicons.h"
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#endif
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#include "nsIIconURI.h"
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#include "nsIDownloader.h"
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#include "nsINetUtil.h"
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#include "nsIChannel.h"
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#include "nsIObserver.h"
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#include "imgIEncoder.h"
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#include "nsIThread.h"
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#include "MainThreadUtils.h"
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#include "gfxColor.h"
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#ifdef MOZ_METRO
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#include "winrt/MetroInput.h"
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#include "winrt/MetroUtils.h"
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#endif // MOZ_METRO
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#ifdef NS_ENABLE_TSF
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#include <textstor.h>
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#include "nsTextStore.h"
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#endif // #ifdef NS_ENABLE_TSF
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#ifdef PR_LOGGING
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PRLogModuleInfo* gWindowsLog = nullptr;
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#endif
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namespace mozilla {
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namespace widget {
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NS_IMPL_ISUPPORTS1(myDownloadObserver, nsIDownloadObserver)
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#ifdef MOZ_PLACES
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NS_IMPL_ISUPPORTS1(AsyncFaviconDataReady, nsIFaviconDataCallback)
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#endif
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NS_IMPL_ISUPPORTS1(AsyncEncodeAndWriteIcon, nsIRunnable)
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NS_IMPL_ISUPPORTS1(AsyncDeleteIconFromDisk, nsIRunnable)
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NS_IMPL_ISUPPORTS1(AsyncDeleteAllFaviconsFromDisk, nsIRunnable)
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const char FaviconHelper::kJumpListCacheDir[] = "jumpListCache";
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const char FaviconHelper::kShortcutCacheDir[] = "shortcutCache";
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// apis available on vista and up.
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WinUtils::SHCreateItemFromParsingNamePtr WinUtils::sCreateItemFromParsingName = nullptr;
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WinUtils::SHGetKnownFolderPathPtr WinUtils::sGetKnownFolderPath = nullptr;
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// We just leak these DLL HMODULEs. There's no point in calling FreeLibrary
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// on them during shutdown anyway.
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static const wchar_t kShellLibraryName[] = L"shell32.dll";
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static HMODULE sShellDll = nullptr;
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static const wchar_t kDwmLibraryName[] = L"dwmapi.dll";
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static HMODULE sDwmDll = nullptr;
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WinUtils::DwmExtendFrameIntoClientAreaProc WinUtils::dwmExtendFrameIntoClientAreaPtr = nullptr;
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WinUtils::DwmIsCompositionEnabledProc WinUtils::dwmIsCompositionEnabledPtr = nullptr;
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WinUtils::DwmSetIconicThumbnailProc WinUtils::dwmSetIconicThumbnailPtr = nullptr;
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WinUtils::DwmSetIconicLivePreviewBitmapProc WinUtils::dwmSetIconicLivePreviewBitmapPtr = nullptr;
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WinUtils::DwmGetWindowAttributeProc WinUtils::dwmGetWindowAttributePtr = nullptr;
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WinUtils::DwmSetWindowAttributeProc WinUtils::dwmSetWindowAttributePtr = nullptr;
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WinUtils::DwmInvalidateIconicBitmapsProc WinUtils::dwmInvalidateIconicBitmapsPtr = nullptr;
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WinUtils::DwmDefWindowProcProc WinUtils::dwmDwmDefWindowProcPtr = nullptr;
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WinUtils::DwmGetCompositionTimingInfoProc WinUtils::dwmGetCompositionTimingInfoPtr = nullptr;
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/* static */
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void
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WinUtils::Initialize()
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{
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#ifdef PR_LOGGING
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if (!gWindowsLog) {
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gWindowsLog = PR_NewLogModule("Widget");
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}
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#endif
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if (!sDwmDll && IsVistaOrLater()) {
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sDwmDll = ::LoadLibraryW(kDwmLibraryName);
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if (sDwmDll) {
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dwmExtendFrameIntoClientAreaPtr = (DwmExtendFrameIntoClientAreaProc)::GetProcAddress(sDwmDll, "DwmExtendFrameIntoClientArea");
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dwmIsCompositionEnabledPtr = (DwmIsCompositionEnabledProc)::GetProcAddress(sDwmDll, "DwmIsCompositionEnabled");
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dwmSetIconicThumbnailPtr = (DwmSetIconicThumbnailProc)::GetProcAddress(sDwmDll, "DwmSetIconicThumbnail");
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dwmSetIconicLivePreviewBitmapPtr = (DwmSetIconicLivePreviewBitmapProc)::GetProcAddress(sDwmDll, "DwmSetIconicLivePreviewBitmap");
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dwmGetWindowAttributePtr = (DwmGetWindowAttributeProc)::GetProcAddress(sDwmDll, "DwmGetWindowAttribute");
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dwmSetWindowAttributePtr = (DwmSetWindowAttributeProc)::GetProcAddress(sDwmDll, "DwmSetWindowAttribute");
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dwmInvalidateIconicBitmapsPtr = (DwmInvalidateIconicBitmapsProc)::GetProcAddress(sDwmDll, "DwmInvalidateIconicBitmaps");
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dwmDwmDefWindowProcPtr = (DwmDefWindowProcProc)::GetProcAddress(sDwmDll, "DwmDefWindowProc");
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dwmGetCompositionTimingInfoPtr = (DwmGetCompositionTimingInfoProc)::GetProcAddress(sDwmDll, "DwmGetCompositionTimingInfo");
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}
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}
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}
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// static
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void
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WinUtils::LogW(const wchar_t *fmt, ...)
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{
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va_list args = nullptr;
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if(!lstrlenW(fmt)) {
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return;
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}
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va_start(args, fmt);
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int buflen = _vscwprintf(fmt, args);
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wchar_t* buffer = new wchar_t[buflen+1];
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if (!buffer) {
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va_end(args);
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return;
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}
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vswprintf(buffer, buflen, fmt, args);
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va_end(args);
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// MSVC, including remote debug sessions
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OutputDebugStringW(buffer);
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OutputDebugStringW(L"\n");
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int len = wcslen(buffer);
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if (len) {
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char* utf8 = new char[len+1];
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memset(utf8, 0, sizeof(utf8));
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if (WideCharToMultiByte(CP_ACP, 0, buffer,
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-1, utf8, len+1, nullptr,
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nullptr) > 0) {
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// desktop console
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printf("%s\n", utf8);
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#ifdef PR_LOGGING
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NS_ASSERTION(gWindowsLog, "Called WinUtils Log() but Widget "
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"log module doesn't exist!");
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PR_LOG(gWindowsLog, PR_LOG_ALWAYS, (utf8));
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#endif
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}
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delete[] utf8;
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}
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delete[] buffer;
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}
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// static
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void
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WinUtils::Log(const char *fmt, ...)
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{
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va_list args = nullptr;
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if(!strlen(fmt)) {
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return;
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}
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va_start(args, fmt);
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int buflen = _vscprintf(fmt, args);
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char* buffer = new char[buflen+1];
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if (!buffer) {
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va_end(args);
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return;
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}
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vsprintf(buffer, fmt, args);
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va_end(args);
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// MSVC, including remote debug sessions
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OutputDebugStringA(buffer);
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OutputDebugStringW(L"\n");
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// desktop console
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printf("%s\n", buffer);
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#ifdef PR_LOGGING
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NS_ASSERTION(gWindowsLog, "Called WinUtils Log() but Widget "
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"log module doesn't exist!");
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PR_LOG(gWindowsLog, PR_LOG_ALWAYS, (buffer));
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#endif
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delete[] buffer;
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}
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/* static */
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double
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WinUtils::LogToPhysFactor()
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{
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// dpi / 96.0
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if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
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#ifdef MOZ_METRO
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return MetroUtils::LogToPhysFactor();
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#else
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return 1.0;
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#endif
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} else {
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HDC hdc = ::GetDC(nullptr);
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double result = ::GetDeviceCaps(hdc, LOGPIXELSY) / 96.0;
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::ReleaseDC(nullptr, hdc);
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return result;
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}
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}
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/* static */
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double
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WinUtils::PhysToLogFactor()
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{
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// 1.0 / (dpi / 96.0)
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return 1.0 / LogToPhysFactor();
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}
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/* static */
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double
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WinUtils::PhysToLog(int32_t aValue)
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{
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return double(aValue) * PhysToLogFactor();
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}
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/* static */
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int32_t
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WinUtils::LogToPhys(double aValue)
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{
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return int32_t(NS_round(aValue * LogToPhysFactor()));
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}
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/* static */
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bool
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WinUtils::PeekMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage,
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UINT aLastMessage, UINT aOption)
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{
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#ifdef NS_ENABLE_TSF
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ITfMessagePump* msgPump = nsTextStore::GetMessagePump();
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if (msgPump) {
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BOOL ret = FALSE;
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HRESULT hr = msgPump->PeekMessageW(aMsg, aWnd, aFirstMessage, aLastMessage,
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aOption, &ret);
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NS_ENSURE_TRUE(SUCCEEDED(hr), false);
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return ret;
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}
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#endif // #ifdef NS_ENABLE_TSF
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return ::PeekMessageW(aMsg, aWnd, aFirstMessage, aLastMessage, aOption);
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}
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/* static */
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bool
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WinUtils::GetMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage,
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UINT aLastMessage)
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{
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#ifdef NS_ENABLE_TSF
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ITfMessagePump* msgPump = nsTextStore::GetMessagePump();
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if (msgPump) {
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BOOL ret = FALSE;
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HRESULT hr = msgPump->GetMessageW(aMsg, aWnd, aFirstMessage, aLastMessage,
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&ret);
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NS_ENSURE_TRUE(SUCCEEDED(hr), false);
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return ret;
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}
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#endif // #ifdef NS_ENABLE_TSF
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return ::GetMessageW(aMsg, aWnd, aFirstMessage, aLastMessage);
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}
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/* static */
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void
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WinUtils::WaitForMessage()
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{
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DWORD result = ::MsgWaitForMultipleObjectsEx(0, nullptr, INFINITE, QS_ALLINPUT,
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MWMO_INPUTAVAILABLE);
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NS_WARN_IF_FALSE(result != WAIT_FAILED, "Wait failed");
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// This idiom is taken from the Chromium ipc code, see
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// ipc/chromium/src/base/message+puimp_win.cpp:270.
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// The intent is to avoid a busy wait when MsgWaitForMultipleObjectsEx
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// returns quickly but PeekMessage would not return a message.
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if (result == WAIT_OBJECT_0) {
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MSG msg = {0};
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DWORD queue_status = ::GetQueueStatus(QS_MOUSE);
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if (HIWORD(queue_status) & QS_MOUSE &&
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!PeekMessage(&msg, nullptr, WM_MOUSEFIRST, WM_MOUSELAST, PM_NOREMOVE)) {
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::WaitMessage();
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}
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}
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}
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/* static */
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bool
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WinUtils::GetRegistryKey(HKEY aRoot,
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char16ptr_t aKeyName,
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char16ptr_t aValueName,
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wchar_t* aBuffer,
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DWORD aBufferLength)
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{
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NS_PRECONDITION(aKeyName, "The key name is NULL");
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HKEY key;
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LONG result =
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::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_32KEY, &key);
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if (result != ERROR_SUCCESS) {
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result =
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::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_64KEY, &key);
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if (result != ERROR_SUCCESS) {
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return false;
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}
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}
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DWORD type;
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result =
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::RegQueryValueExW(key, aValueName, nullptr, &type, (BYTE*) aBuffer,
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&aBufferLength);
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::RegCloseKey(key);
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if (result != ERROR_SUCCESS || type != REG_SZ) {
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return false;
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}
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if (aBuffer) {
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aBuffer[aBufferLength / sizeof(*aBuffer) - 1] = 0;
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}
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return true;
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}
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/* static */
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bool
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WinUtils::HasRegistryKey(HKEY aRoot, char16ptr_t aKeyName)
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{
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MOZ_ASSERT(aRoot, "aRoot must not be NULL");
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MOZ_ASSERT(aKeyName, "aKeyName must not be NULL");
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HKEY key;
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LONG result =
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::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_32KEY, &key);
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if (result != ERROR_SUCCESS) {
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result =
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::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_64KEY, &key);
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if (result != ERROR_SUCCESS) {
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return false;
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}
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}
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::RegCloseKey(key);
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return true;
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}
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/* static */
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HWND
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WinUtils::GetTopLevelHWND(HWND aWnd,
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bool aStopIfNotChild,
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bool aStopIfNotPopup)
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{
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HWND curWnd = aWnd;
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HWND topWnd = nullptr;
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while (curWnd) {
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topWnd = curWnd;
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if (aStopIfNotChild) {
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DWORD_PTR style = ::GetWindowLongPtrW(curWnd, GWL_STYLE);
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VERIFY_WINDOW_STYLE(style);
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if (!(style & WS_CHILD)) // first top-level window
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break;
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}
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HWND upWnd = ::GetParent(curWnd); // Parent or owner (if has no parent)
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// GetParent will only return the owner if the passed in window
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// has the WS_POPUP style.
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if (!upWnd && !aStopIfNotPopup) {
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upWnd = ::GetWindow(curWnd, GW_OWNER);
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}
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curWnd = upWnd;
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}
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return topWnd;
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}
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static const wchar_t*
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GetNSWindowPropName()
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{
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static wchar_t sPropName[40] = L"";
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if (!*sPropName) {
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_snwprintf(sPropName, 39, L"MozillansIWidgetPtr%p",
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::GetCurrentProcessId());
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sPropName[39] = '\0';
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}
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return sPropName;
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}
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/* static */
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bool
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WinUtils::SetNSWindowBasePtr(HWND aWnd, nsWindowBase* aWidget)
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|
{
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if (!aWidget) {
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::RemovePropW(aWnd, GetNSWindowPropName());
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return true;
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}
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return ::SetPropW(aWnd, GetNSWindowPropName(), (HANDLE)aWidget);
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}
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/* static */
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nsWindowBase*
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WinUtils::GetNSWindowBasePtr(HWND aWnd)
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{
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return static_cast<nsWindowBase*>(::GetPropW(aWnd, GetNSWindowPropName()));
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}
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/* static */
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nsWindow*
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WinUtils::GetNSWindowPtr(HWND aWnd)
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|
{
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return static_cast<nsWindow*>(::GetPropW(aWnd, GetNSWindowPropName()));
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}
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|
|
static BOOL CALLBACK
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|
AddMonitor(HMONITOR, HDC, LPRECT, LPARAM aParam)
|
|
{
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|
(*(int32_t*)aParam)++;
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return TRUE;
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|
}
|
|
|
|
/* static */
|
|
int32_t
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WinUtils::GetMonitorCount()
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|
{
|
|
int32_t monitorCount = 0;
|
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EnumDisplayMonitors(nullptr, nullptr, AddMonitor, (LPARAM)&monitorCount);
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return monitorCount;
|
|
}
|
|
|
|
/* static */
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|
bool
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WinUtils::IsOurProcessWindow(HWND aWnd)
|
|
{
|
|
if (!aWnd) {
|
|
return false;
|
|
}
|
|
DWORD processId = 0;
|
|
::GetWindowThreadProcessId(aWnd, &processId);
|
|
return (processId == ::GetCurrentProcessId());
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|
}
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|
|
|
/* static */
|
|
HWND
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WinUtils::FindOurProcessWindow(HWND aWnd)
|
|
{
|
|
for (HWND wnd = ::GetParent(aWnd); wnd; wnd = ::GetParent(wnd)) {
|
|
if (IsOurProcessWindow(wnd)) {
|
|
return wnd;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
static bool
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|
IsPointInWindow(HWND aWnd, const POINT& aPointInScreen)
|
|
{
|
|
RECT bounds;
|
|
if (!::GetWindowRect(aWnd, &bounds)) {
|
|
return false;
|
|
}
|
|
|
|
return (aPointInScreen.x >= bounds.left && aPointInScreen.x < bounds.right &&
|
|
aPointInScreen.y >= bounds.top && aPointInScreen.y < bounds.bottom);
|
|
}
|
|
|
|
/**
|
|
* FindTopmostWindowAtPoint() returns the topmost child window (topmost means
|
|
* forground in this context) of aWnd.
|
|
*/
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|
|
|
static HWND
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|
FindTopmostWindowAtPoint(HWND aWnd, const POINT& aPointInScreen)
|
|
{
|
|
if (!::IsWindowVisible(aWnd) || !IsPointInWindow(aWnd, aPointInScreen)) {
|
|
return nullptr;
|
|
}
|
|
|
|
HWND childWnd = ::GetTopWindow(aWnd);
|
|
while (childWnd) {
|
|
HWND topmostWnd = FindTopmostWindowAtPoint(childWnd, aPointInScreen);
|
|
if (topmostWnd) {
|
|
return topmostWnd;
|
|
}
|
|
childWnd = ::GetNextWindow(childWnd, GW_HWNDNEXT);
|
|
}
|
|
|
|
return aWnd;
|
|
}
|
|
|
|
struct FindOurWindowAtPointInfo
|
|
{
|
|
POINT mInPointInScreen;
|
|
HWND mOutWnd;
|
|
};
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|
|
|
static BOOL CALLBACK
|
|
FindOurWindowAtPointCallback(HWND aWnd, LPARAM aLPARAM)
|
|
{
|
|
if (!WinUtils::IsOurProcessWindow(aWnd)) {
|
|
// This isn't one of our top-level windows; continue enumerating.
|
|
return TRUE;
|
|
}
|
|
|
|
// Get the top-most child window under the point. If there's no child
|
|
// window, and the point is within the top-level window, then the top-level
|
|
// window will be returned. (This is the usual case. A child window
|
|
// would be returned for plugins.)
|
|
FindOurWindowAtPointInfo* info =
|
|
reinterpret_cast<FindOurWindowAtPointInfo*>(aLPARAM);
|
|
HWND childWnd = FindTopmostWindowAtPoint(aWnd, info->mInPointInScreen);
|
|
if (!childWnd) {
|
|
// This window doesn't contain the point; continue enumerating.
|
|
return TRUE;
|
|
}
|
|
|
|
// Return the HWND and stop enumerating.
|
|
info->mOutWnd = childWnd;
|
|
return FALSE;
|
|
}
|
|
|
|
/* static */
|
|
HWND
|
|
WinUtils::FindOurWindowAtPoint(const POINT& aPointInScreen)
|
|
{
|
|
FindOurWindowAtPointInfo info;
|
|
info.mInPointInScreen = aPointInScreen;
|
|
info.mOutWnd = nullptr;
|
|
|
|
// This will enumerate all top-level windows in order from top to bottom.
|
|
EnumWindows(FindOurWindowAtPointCallback, reinterpret_cast<LPARAM>(&info));
|
|
return info.mOutWnd;
|
|
}
|
|
|
|
/* static */
|
|
UINT
|
|
WinUtils::GetInternalMessage(UINT aNativeMessage)
|
|
{
|
|
switch (aNativeMessage) {
|
|
case WM_MOUSEWHEEL:
|
|
return MOZ_WM_MOUSEVWHEEL;
|
|
case WM_MOUSEHWHEEL:
|
|
return MOZ_WM_MOUSEHWHEEL;
|
|
case WM_VSCROLL:
|
|
return MOZ_WM_VSCROLL;
|
|
case WM_HSCROLL:
|
|
return MOZ_WM_HSCROLL;
|
|
default:
|
|
return aNativeMessage;
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
UINT
|
|
WinUtils::GetNativeMessage(UINT aInternalMessage)
|
|
{
|
|
switch (aInternalMessage) {
|
|
case MOZ_WM_MOUSEVWHEEL:
|
|
return WM_MOUSEWHEEL;
|
|
case MOZ_WM_MOUSEHWHEEL:
|
|
return WM_MOUSEHWHEEL;
|
|
case MOZ_WM_VSCROLL:
|
|
return WM_VSCROLL;
|
|
case MOZ_WM_HSCROLL:
|
|
return WM_HSCROLL;
|
|
default:
|
|
return aInternalMessage;
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
uint16_t
|
|
WinUtils::GetMouseInputSource()
|
|
{
|
|
int32_t inputSource = nsIDOMMouseEvent::MOZ_SOURCE_MOUSE;
|
|
LPARAM lParamExtraInfo = ::GetMessageExtraInfo();
|
|
if ((lParamExtraInfo & TABLET_INK_SIGNATURE) == TABLET_INK_CHECK) {
|
|
inputSource = (lParamExtraInfo & TABLET_INK_TOUCH) ?
|
|
nsIDOMMouseEvent::MOZ_SOURCE_TOUCH : nsIDOMMouseEvent::MOZ_SOURCE_PEN;
|
|
}
|
|
return static_cast<uint16_t>(inputSource);
|
|
}
|
|
|
|
/* static */
|
|
MSG
|
|
WinUtils::InitMSG(UINT aMessage, WPARAM wParam, LPARAM lParam, HWND aWnd)
|
|
{
|
|
MSG msg;
|
|
msg.message = aMessage;
|
|
msg.wParam = wParam;
|
|
msg.lParam = lParam;
|
|
msg.hwnd = aWnd;
|
|
return msg;
|
|
}
|
|
|
|
/* static */
|
|
HRESULT
|
|
WinUtils::SHCreateItemFromParsingName(PCWSTR pszPath, IBindCtx *pbc,
|
|
REFIID riid, void **ppv)
|
|
{
|
|
if (sCreateItemFromParsingName) {
|
|
return sCreateItemFromParsingName(pszPath, pbc, riid, ppv);
|
|
}
|
|
|
|
if (!sShellDll) {
|
|
sShellDll = ::LoadLibraryW(kShellLibraryName);
|
|
if (!sShellDll) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
sCreateItemFromParsingName = (SHCreateItemFromParsingNamePtr)
|
|
GetProcAddress(sShellDll, "SHCreateItemFromParsingName");
|
|
if (!sCreateItemFromParsingName)
|
|
return E_FAIL;
|
|
|
|
return sCreateItemFromParsingName(pszPath, pbc, riid, ppv);
|
|
}
|
|
|
|
/* static */
|
|
HRESULT
|
|
WinUtils::SHGetKnownFolderPath(REFKNOWNFOLDERID rfid,
|
|
DWORD dwFlags,
|
|
HANDLE hToken,
|
|
PWSTR *ppszPath)
|
|
{
|
|
if (sGetKnownFolderPath) {
|
|
return sGetKnownFolderPath(rfid, dwFlags, hToken, ppszPath);
|
|
}
|
|
|
|
if (!sShellDll) {
|
|
sShellDll = ::LoadLibraryW(kShellLibraryName);
|
|
if (!sShellDll) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
sGetKnownFolderPath = (SHGetKnownFolderPathPtr)
|
|
GetProcAddress(sShellDll, "SHGetKnownFolderPath");
|
|
if (!sGetKnownFolderPath)
|
|
return E_FAIL;
|
|
|
|
return sGetKnownFolderPath(rfid, dwFlags, hToken, ppszPath);
|
|
}
|
|
|
|
#ifdef MOZ_PLACES
|
|
/************************************************************************/
|
|
/* Constructs as AsyncFaviconDataReady Object
|
|
/* @param aIOThread : the thread which performs the action
|
|
/* @param aURLShortcut : Differentiates between (false)Jumplistcache and (true)Shortcutcache
|
|
/************************************************************************/
|
|
|
|
AsyncFaviconDataReady::AsyncFaviconDataReady(nsIURI *aNewURI,
|
|
nsCOMPtr<nsIThread> &aIOThread,
|
|
const bool aURLShortcut):
|
|
mNewURI(aNewURI),
|
|
mIOThread(aIOThread),
|
|
mURLShortcut(aURLShortcut)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
myDownloadObserver::OnDownloadComplete(nsIDownloader *downloader,
|
|
nsIRequest *request,
|
|
nsISupports *ctxt,
|
|
nsresult status,
|
|
nsIFile *result)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult AsyncFaviconDataReady::OnFaviconDataNotAvailable(void)
|
|
{
|
|
if (!mURLShortcut) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> icoFile;
|
|
nsresult rv = FaviconHelper::GetOutputIconPath(mNewURI, icoFile, mURLShortcut);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIURI> mozIconURI;
|
|
rv = NS_NewURI(getter_AddRefs(mozIconURI), "moz-icon://.html?size=32");
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsIChannel> channel;
|
|
rv = NS_NewChannel(getter_AddRefs(channel), mozIconURI);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<myDownloadObserver> downloadObserver = new myDownloadObserver;
|
|
nsCOMPtr<nsIStreamListener> listener;
|
|
rv = NS_NewDownloader(getter_AddRefs(listener), downloadObserver, icoFile);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
channel->AsyncOpen(listener, nullptr);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AsyncFaviconDataReady::OnComplete(nsIURI *aFaviconURI,
|
|
uint32_t aDataLen,
|
|
const uint8_t *aData,
|
|
const nsACString &aMimeType)
|
|
{
|
|
if (!aDataLen || !aData) {
|
|
if (mURLShortcut) {
|
|
OnFaviconDataNotAvailable();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> icoFile;
|
|
nsresult rv = FaviconHelper::GetOutputIconPath(mNewURI, icoFile, mURLShortcut);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsAutoString path;
|
|
rv = icoFile->GetPath(path);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Convert the obtained favicon data to an input stream
|
|
nsCOMPtr<nsIInputStream> stream;
|
|
rv = NS_NewByteInputStream(getter_AddRefs(stream),
|
|
reinterpret_cast<const char*>(aData),
|
|
aDataLen,
|
|
NS_ASSIGNMENT_DEPEND);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Decode the image from the format it was returned to us in (probably PNG)
|
|
nsAutoCString mimeTypeOfInputData;
|
|
mimeTypeOfInputData.AssignLiteral("image/vnd.microsoft.icon");
|
|
nsCOMPtr<imgIContainer> container;
|
|
nsCOMPtr<imgITools> imgtool = do_CreateInstance("@mozilla.org/image/tools;1");
|
|
rv = imgtool->DecodeImageData(stream, aMimeType,
|
|
getter_AddRefs(container));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsRefPtr<gfxASurface> imgFrame =
|
|
container->GetFrame(imgIContainer::FRAME_FIRST, 0);
|
|
NS_ENSURE_TRUE(imgFrame, NS_ERROR_FAILURE);
|
|
|
|
nsRefPtr<gfxImageSurface> imageSurface;
|
|
gfxIntSize size;
|
|
if (mURLShortcut) {
|
|
imageSurface =
|
|
new gfxImageSurface(gfxIntSize(48, 48),
|
|
gfxImageFormat::ARGB32);
|
|
gfxContext context(imageSurface);
|
|
context.SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
context.SetColor(gfxRGBA(1, 1, 1, 1));
|
|
context.Rectangle(gfxRect(0, 0, 48, 48));
|
|
context.Fill();
|
|
|
|
context.Translate(gfxPoint(16, 16));
|
|
context.SetOperator(gfxContext::OPERATOR_OVER);
|
|
context.DrawSurface(imgFrame, gfxSize(16, 16));
|
|
size = imageSurface->GetSize();
|
|
} else {
|
|
imageSurface = imgFrame->GetAsReadableARGB32ImageSurface();
|
|
size.width = GetSystemMetrics(SM_CXSMICON);
|
|
size.height = GetSystemMetrics(SM_CYSMICON);
|
|
if (!size.width || !size.height) {
|
|
size.width = 16;
|
|
size.height = 16;
|
|
}
|
|
}
|
|
|
|
// Allocate a new buffer that we own and can use out of line in
|
|
// another thread. Copy the favicon raw data into it.
|
|
const fallible_t fallible = fallible_t();
|
|
uint8_t *data = new (fallible) uint8_t[imageSurface->GetDataSize()];
|
|
if (!data) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
memcpy(data, imageSurface->Data(), imageSurface->GetDataSize());
|
|
|
|
// AsyncEncodeAndWriteIcon takes ownership of the heap allocated buffer
|
|
nsCOMPtr<nsIRunnable> event = new AsyncEncodeAndWriteIcon(path, data,
|
|
imageSurface->GetDataSize(),
|
|
imageSurface->Stride(),
|
|
size.width,
|
|
size.height,
|
|
mURLShortcut);
|
|
mIOThread->Dispatch(event, NS_DISPATCH_NORMAL);
|
|
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
|
|
// Warning: AsyncEncodeAndWriteIcon assumes ownership of the aData buffer passed in
|
|
AsyncEncodeAndWriteIcon::AsyncEncodeAndWriteIcon(const nsAString &aIconPath,
|
|
uint8_t *aBuffer,
|
|
uint32_t aBufferLength,
|
|
uint32_t aStride,
|
|
uint32_t aWidth,
|
|
uint32_t aHeight,
|
|
const bool aURLShortcut) :
|
|
mURLShortcut(aURLShortcut),
|
|
mIconPath(aIconPath),
|
|
mBuffer(aBuffer),
|
|
mBufferLength(aBufferLength),
|
|
mStride(aStride),
|
|
mWidth(aWidth),
|
|
mHeight(aHeight)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP AsyncEncodeAndWriteIcon::Run()
|
|
{
|
|
NS_PRECONDITION(!NS_IsMainThread(), "Should not be called on the main thread.");
|
|
|
|
// Get the recommended icon width and height, or if failure to obtain
|
|
// these settings, fall back to 16x16 ICOs. These values can be different
|
|
// if the user has a different DPI setting other than 100%.
|
|
// Windows would scale the 16x16 icon themselves, but it's better
|
|
// we let our ICO encoder do it.
|
|
nsCOMPtr<nsIInputStream> iconStream;
|
|
nsRefPtr<imgIEncoder> encoder =
|
|
do_CreateInstance("@mozilla.org/image/encoder;2?"
|
|
"type=image/vnd.microsoft.icon");
|
|
NS_ENSURE_TRUE(encoder, NS_ERROR_FAILURE);
|
|
nsresult rv = encoder->InitFromData(mBuffer, mBufferLength,
|
|
mWidth, mHeight,
|
|
mStride,
|
|
imgIEncoder::INPUT_FORMAT_HOSTARGB,
|
|
EmptyString());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
CallQueryInterface(encoder.get(), getter_AddRefs(iconStream));
|
|
if (!iconStream) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsCOMPtr<nsIFile> icoFile
|
|
= do_CreateInstance("@mozilla.org/file/local;1");
|
|
NS_ENSURE_TRUE(icoFile, NS_ERROR_FAILURE);
|
|
rv = icoFile->InitWithPath(mIconPath);
|
|
|
|
// Setup the output stream for the ICO file on disk
|
|
nsCOMPtr<nsIOutputStream> outputStream;
|
|
rv = NS_NewLocalFileOutputStream(getter_AddRefs(outputStream), icoFile);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Obtain the ICO buffer size from the re-encoded ICO stream
|
|
uint64_t bufSize64;
|
|
rv = iconStream->Available(&bufSize64);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_TRUE(bufSize64 <= UINT32_MAX, NS_ERROR_FILE_TOO_BIG);
|
|
|
|
uint32_t bufSize = (uint32_t)bufSize64;
|
|
|
|
// Setup a buffered output stream from the stream object
|
|
// so that we can simply use WriteFrom with the stream object
|
|
nsCOMPtr<nsIOutputStream> bufferedOutputStream;
|
|
rv = NS_NewBufferedOutputStream(getter_AddRefs(bufferedOutputStream),
|
|
outputStream, bufSize);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Write out the icon stream to disk and make sure we wrote everything
|
|
uint32_t wrote;
|
|
rv = bufferedOutputStream->WriteFrom(iconStream, bufSize, &wrote);
|
|
NS_ASSERTION(bufSize == wrote,
|
|
"Icon wrote size should be equal to requested write size");
|
|
|
|
// Cleanup
|
|
bufferedOutputStream->Close();
|
|
outputStream->Close();
|
|
if (mURLShortcut) {
|
|
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETNONCLIENTMETRICS, 0);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
AsyncEncodeAndWriteIcon::~AsyncEncodeAndWriteIcon()
|
|
{
|
|
}
|
|
|
|
AsyncDeleteIconFromDisk::AsyncDeleteIconFromDisk(const nsAString &aIconPath)
|
|
: mIconPath(aIconPath)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP AsyncDeleteIconFromDisk::Run()
|
|
{
|
|
// Construct the parent path of the passed in path
|
|
nsCOMPtr<nsIFile> icoFile = do_CreateInstance("@mozilla.org/file/local;1");
|
|
NS_ENSURE_TRUE(icoFile, NS_ERROR_FAILURE);
|
|
nsresult rv = icoFile->InitWithPath(mIconPath);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Check if the cached ICO file exists
|
|
bool exists;
|
|
rv = icoFile->Exists(&exists);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Check that we aren't deleting some arbitrary file that is not an icon
|
|
if (StringTail(mIconPath, 4).LowerCaseEqualsASCII(".ico")) {
|
|
// Check if the cached ICO file exists
|
|
bool exists;
|
|
if (NS_FAILED(icoFile->Exists(&exists)) || !exists)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// We found an ICO file that exists, so we should remove it
|
|
icoFile->Remove(false);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
AsyncDeleteIconFromDisk::~AsyncDeleteIconFromDisk()
|
|
{
|
|
}
|
|
|
|
AsyncDeleteAllFaviconsFromDisk::AsyncDeleteAllFaviconsFromDisk()
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP AsyncDeleteAllFaviconsFromDisk::Run()
|
|
{
|
|
// Construct the path of our jump list cache
|
|
nsCOMPtr<nsIFile> jumpListCacheDir;
|
|
nsresult rv = NS_GetSpecialDirectory("ProfLDS",
|
|
getter_AddRefs(jumpListCacheDir));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = jumpListCacheDir->AppendNative(
|
|
nsDependentCString(FaviconHelper::kJumpListCacheDir));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsCOMPtr<nsISimpleEnumerator> entries;
|
|
rv = jumpListCacheDir->GetDirectoryEntries(getter_AddRefs(entries));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Loop through each directory entry and remove all ICO files found
|
|
do {
|
|
bool hasMore = false;
|
|
if (NS_FAILED(entries->HasMoreElements(&hasMore)) || !hasMore)
|
|
break;
|
|
|
|
nsCOMPtr<nsISupports> supp;
|
|
if (NS_FAILED(entries->GetNext(getter_AddRefs(supp))))
|
|
break;
|
|
|
|
nsCOMPtr<nsIFile> currFile(do_QueryInterface(supp));
|
|
nsAutoString path;
|
|
if (NS_FAILED(currFile->GetPath(path)))
|
|
continue;
|
|
|
|
if (StringTail(path, 4).LowerCaseEqualsASCII(".ico")) {
|
|
// Check if the cached ICO file exists
|
|
bool exists;
|
|
if (NS_FAILED(currFile->Exists(&exists)) || !exists)
|
|
continue;
|
|
|
|
// We found an ICO file that exists, so we should remove it
|
|
currFile->Remove(false);
|
|
}
|
|
} while(true);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
AsyncDeleteAllFaviconsFromDisk::~AsyncDeleteAllFaviconsFromDisk()
|
|
{
|
|
}
|
|
|
|
|
|
/*
|
|
* (static) If the data is available, will return the path on disk where
|
|
* the favicon for page aFaviconPageURI is stored. If the favicon does not
|
|
* exist, or its cache is expired, this method will kick off an async request
|
|
* for the icon so that next time the method is called it will be available.
|
|
* @param aFaviconPageURI The URI of the page to obtain
|
|
* @param aICOFilePath The path of the icon file
|
|
* @param aIOThread The thread to perform the Fetch on
|
|
* @param aURLShortcut to distinguish between jumplistcache(false) and shortcutcache(true)
|
|
*/
|
|
nsresult FaviconHelper::ObtainCachedIconFile(nsCOMPtr<nsIURI> aFaviconPageURI,
|
|
nsString &aICOFilePath,
|
|
nsCOMPtr<nsIThread> &aIOThread,
|
|
bool aURLShortcut)
|
|
{
|
|
// Obtain the ICO file path
|
|
nsCOMPtr<nsIFile> icoFile;
|
|
nsresult rv = GetOutputIconPath(aFaviconPageURI, icoFile, aURLShortcut);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Check if the cached ICO file already exists
|
|
bool exists;
|
|
rv = icoFile->Exists(&exists);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (exists) {
|
|
|
|
// Obtain the file's last modification date in seconds
|
|
int64_t fileModTime = 0;
|
|
rv = icoFile->GetLastModifiedTime(&fileModTime);
|
|
fileModTime /= PR_MSEC_PER_SEC;
|
|
int32_t icoReCacheSecondsTimeout = GetICOCacheSecondsTimeout();
|
|
int64_t nowTime = PR_Now() / int64_t(PR_USEC_PER_SEC);
|
|
|
|
// If the last mod call failed or the icon is old then re-cache it
|
|
// This check is in case the favicon of a page changes
|
|
// the next time we try to build the jump list, the data will be available.
|
|
if (NS_FAILED(rv) ||
|
|
(nowTime - fileModTime) > icoReCacheSecondsTimeout) {
|
|
CacheIconFileFromFaviconURIAsync(aFaviconPageURI, icoFile, aIOThread, aURLShortcut);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
} else {
|
|
|
|
// The file does not exist yet, obtain it async from the favicon service so that
|
|
// the next time we try to build the jump list it'll be available.
|
|
CacheIconFileFromFaviconURIAsync(aFaviconPageURI, icoFile, aIOThread, aURLShortcut);
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
// The icoFile is filled with a path that exists, get its path
|
|
rv = icoFile->GetPath(aICOFilePath);
|
|
return rv;
|
|
}
|
|
|
|
nsresult FaviconHelper::HashURI(nsCOMPtr<nsICryptoHash> &aCryptoHash,
|
|
nsIURI *aUri,
|
|
nsACString& aUriHash)
|
|
{
|
|
if (!aUri)
|
|
return NS_ERROR_INVALID_ARG;
|
|
|
|
nsAutoCString spec;
|
|
nsresult rv = aUri->GetSpec(spec);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!aCryptoHash) {
|
|
aCryptoHash = do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
rv = aCryptoHash->Init(nsICryptoHash::MD5);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = aCryptoHash->Update(reinterpret_cast<const uint8_t*>(spec.BeginReading()),
|
|
spec.Length());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = aCryptoHash->Finish(true, aUriHash);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
// (static) Obtains the ICO file for the favicon at page aFaviconPageURI
|
|
// If successful, the file path on disk is in the format:
|
|
// <ProfLDS>\jumpListCache\<hash(aFaviconPageURI)>.ico
|
|
nsresult FaviconHelper::GetOutputIconPath(nsCOMPtr<nsIURI> aFaviconPageURI,
|
|
nsCOMPtr<nsIFile> &aICOFile,
|
|
bool aURLShortcut)
|
|
{
|
|
// Hash the input URI and replace any / with _
|
|
nsAutoCString inputURIHash;
|
|
nsCOMPtr<nsICryptoHash> cryptoHash;
|
|
nsresult rv = HashURI(cryptoHash, aFaviconPageURI,
|
|
inputURIHash);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
char* cur = inputURIHash.BeginWriting();
|
|
char* end = inputURIHash.EndWriting();
|
|
for (; cur < end; ++cur) {
|
|
if ('/' == *cur) {
|
|
*cur = '_';
|
|
}
|
|
}
|
|
|
|
// Obtain the local profile directory and construct the output icon file path
|
|
rv = NS_GetSpecialDirectory("ProfLDS", getter_AddRefs(aICOFile));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
if (!aURLShortcut)
|
|
rv = aICOFile->AppendNative(nsDependentCString(kJumpListCacheDir));
|
|
else
|
|
rv = aICOFile->AppendNative(nsDependentCString(kShortcutCacheDir));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Try to create the directory if it's not there yet
|
|
rv = aICOFile->Create(nsIFile::DIRECTORY_TYPE, 0777);
|
|
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_ALREADY_EXISTS) {
|
|
return rv;
|
|
}
|
|
|
|
// Append the icon extension
|
|
inputURIHash.Append(".ico");
|
|
rv = aICOFile->AppendNative(inputURIHash);
|
|
|
|
return rv;
|
|
}
|
|
|
|
// (static) Asynchronously creates a cached ICO file on disk for the favicon of
|
|
// page aFaviconPageURI and stores it to disk at the path of aICOFile.
|
|
nsresult
|
|
FaviconHelper::CacheIconFileFromFaviconURIAsync(nsCOMPtr<nsIURI> aFaviconPageURI,
|
|
nsCOMPtr<nsIFile> aICOFile,
|
|
nsCOMPtr<nsIThread> &aIOThread,
|
|
bool aURLShortcut)
|
|
{
|
|
#ifdef MOZ_PLACES
|
|
// Obtain the favicon service and get the favicon for the specified page
|
|
nsCOMPtr<mozIAsyncFavicons> favIconSvc(
|
|
do_GetService("@mozilla.org/browser/favicon-service;1"));
|
|
NS_ENSURE_TRUE(favIconSvc, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIFaviconDataCallback> callback =
|
|
new mozilla::widget::AsyncFaviconDataReady(aFaviconPageURI,
|
|
aIOThread,
|
|
aURLShortcut);
|
|
|
|
favIconSvc->GetFaviconDataForPage(aFaviconPageURI, callback);
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
// Obtains the jump list 'ICO cache timeout in seconds' pref
|
|
int32_t FaviconHelper::GetICOCacheSecondsTimeout() {
|
|
|
|
// Only obtain the setting at most once from the pref service.
|
|
// In the rare case that 2 threads call this at the same
|
|
// time it is no harm and we will simply obtain the pref twice.
|
|
// None of the taskbar list prefs are currently updated via a
|
|
// pref observer so I think this should suffice.
|
|
const int32_t kSecondsPerDay = 86400;
|
|
static bool alreadyObtained = false;
|
|
static int32_t icoReCacheSecondsTimeout = kSecondsPerDay;
|
|
if (alreadyObtained) {
|
|
return icoReCacheSecondsTimeout;
|
|
}
|
|
|
|
// Obtain the pref
|
|
const char PREF_ICOTIMEOUT[] = "browser.taskbar.lists.icoTimeoutInSeconds";
|
|
icoReCacheSecondsTimeout = Preferences::GetInt(PREF_ICOTIMEOUT,
|
|
kSecondsPerDay);
|
|
alreadyObtained = true;
|
|
return icoReCacheSecondsTimeout;
|
|
}
|
|
|
|
|
|
|
|
|
|
/* static */
|
|
bool
|
|
WinUtils::GetShellItemPath(IShellItem* aItem,
|
|
nsString& aResultString)
|
|
{
|
|
NS_ENSURE_TRUE(aItem, false);
|
|
LPWSTR str = nullptr;
|
|
if (FAILED(aItem->GetDisplayName(SIGDN_FILESYSPATH, &str)))
|
|
return false;
|
|
aResultString.Assign(str);
|
|
CoTaskMemFree(str);
|
|
return !aResultString.IsEmpty();
|
|
}
|
|
|
|
/* static */
|
|
nsIntRegion
|
|
WinUtils::ConvertHRGNToRegion(HRGN aRgn)
|
|
{
|
|
NS_ASSERTION(aRgn, "Don't pass NULL region here");
|
|
|
|
nsIntRegion rgn;
|
|
|
|
DWORD size = ::GetRegionData(aRgn, 0, nullptr);
|
|
nsAutoTArray<uint8_t,100> buffer;
|
|
if (!buffer.SetLength(size))
|
|
return rgn;
|
|
|
|
RGNDATA* data = reinterpret_cast<RGNDATA*>(buffer.Elements());
|
|
if (!::GetRegionData(aRgn, size, data))
|
|
return rgn;
|
|
|
|
if (data->rdh.nCount > MAX_RECTS_IN_REGION) {
|
|
rgn = ToIntRect(data->rdh.rcBound);
|
|
return rgn;
|
|
}
|
|
|
|
RECT* rects = reinterpret_cast<RECT*>(data->Buffer);
|
|
for (uint32_t i = 0; i < data->rdh.nCount; ++i) {
|
|
RECT* r = rects + i;
|
|
rgn.Or(rgn, ToIntRect(*r));
|
|
}
|
|
|
|
return rgn;
|
|
}
|
|
|
|
nsIntRect
|
|
WinUtils::ToIntRect(const RECT& aRect)
|
|
{
|
|
return nsIntRect(aRect.left, aRect.top,
|
|
aRect.right - aRect.left,
|
|
aRect.bottom - aRect.top);
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
WinUtils::IsIMEEnabled(const InputContext& aInputContext)
|
|
{
|
|
return IsIMEEnabled(aInputContext.mIMEState.mEnabled);
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
WinUtils::IsIMEEnabled(IMEState::Enabled aIMEState)
|
|
{
|
|
return (aIMEState == IMEState::ENABLED ||
|
|
aIMEState == IMEState::PLUGIN);
|
|
}
|
|
|
|
/* static */
|
|
void
|
|
WinUtils::SetupKeyModifiersSequence(nsTArray<KeyPair>* aArray,
|
|
uint32_t aModifiers)
|
|
{
|
|
for (uint32_t i = 0; i < ArrayLength(sModifierKeyMap); ++i) {
|
|
const uint32_t* map = sModifierKeyMap[i];
|
|
if (aModifiers & map[0]) {
|
|
aArray->AppendElement(KeyPair(map[1], map[2]));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
WinUtils::ShouldHideScrollbars()
|
|
{
|
|
#ifdef MOZ_METRO
|
|
if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
|
|
return widget::winrt::MetroInput::IsInputModeImprecise();
|
|
}
|
|
#endif // MOZ_METRO
|
|
return false;
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|