/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sts=2 sw=2 et cin: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "WinUtils.h" #include "nsWindow.h" #include "nsWindowDefs.h" #include "KeyboardLayout.h" #include "nsIDOMMouseEvent.h" #include "mozilla/Preferences.h" #include "nsString.h" #include "nsDirectoryServiceUtils.h" #include "imgIContainer.h" #include "imgITools.h" #include "nsStringStream.h" #include "nsNetUtil.h" #ifdef MOZ_PLACES #include "mozIAsyncFavicons.h" #endif #include "nsIIconURI.h" #include "nsIDownloader.h" #include "nsINetUtil.h" #include "nsIChannel.h" #include "nsIObserver.h" #include "imgIEncoder.h" #include "nsIThread.h" #include "MainThreadUtils.h" #include "gfxColor.h" #ifdef NS_ENABLE_TSF #include #include "nsTextStore.h" #endif // #ifdef NS_ENABLE_TSF namespace mozilla { namespace widget { NS_IMPL_ISUPPORTS1(myDownloadObserver, nsIDownloadObserver) #ifdef MOZ_PLACES NS_IMPL_ISUPPORTS1(AsyncFaviconDataReady, nsIFaviconDataCallback) #endif NS_IMPL_ISUPPORTS1(AsyncEncodeAndWriteIcon, nsIRunnable) NS_IMPL_ISUPPORTS1(AsyncDeleteIconFromDisk, nsIRunnable) NS_IMPL_ISUPPORTS1(AsyncDeleteAllFaviconsFromDisk, nsIRunnable) const char FaviconHelper::kJumpListCacheDir[] = "jumpListCache"; const char FaviconHelper::kShortcutCacheDir[] = "shortcutCache"; // apis available on vista and up. WinUtils::SHCreateItemFromParsingNamePtr WinUtils::sCreateItemFromParsingName = nullptr; WinUtils::SHGetKnownFolderPathPtr WinUtils::sGetKnownFolderPath = nullptr; // We just leak these DLL HMODULEs. There's no point in calling FreeLibrary // on them during shutdown anyway. static const PRUnichar kShellLibraryName[] = L"shell32.dll"; static HMODULE sShellDll = nullptr; static const PRUnichar kDwmLibraryName[] = L"dwmapi.dll"; static HMODULE sDwmDll = nullptr; WinUtils::DwmExtendFrameIntoClientAreaProc WinUtils::dwmExtendFrameIntoClientAreaPtr = nullptr; WinUtils::DwmIsCompositionEnabledProc WinUtils::dwmIsCompositionEnabledPtr = nullptr; WinUtils::DwmSetIconicThumbnailProc WinUtils::dwmSetIconicThumbnailPtr = nullptr; WinUtils::DwmSetIconicLivePreviewBitmapProc WinUtils::dwmSetIconicLivePreviewBitmapPtr = nullptr; WinUtils::DwmGetWindowAttributeProc WinUtils::dwmGetWindowAttributePtr = nullptr; WinUtils::DwmSetWindowAttributeProc WinUtils::dwmSetWindowAttributePtr = nullptr; WinUtils::DwmInvalidateIconicBitmapsProc WinUtils::dwmInvalidateIconicBitmapsPtr = nullptr; WinUtils::DwmDefWindowProcProc WinUtils::dwmDwmDefWindowProcPtr = nullptr; WinUtils::DwmGetCompositionTimingInfoProc WinUtils::dwmGetCompositionTimingInfoPtr = nullptr; /* static */ void WinUtils::Initialize() { if (!sDwmDll && WinUtils::GetWindowsVersion() >= WinUtils::VISTA_VERSION) { sDwmDll = ::LoadLibraryW(kDwmLibraryName); if (sDwmDll) { dwmExtendFrameIntoClientAreaPtr = (DwmExtendFrameIntoClientAreaProc)::GetProcAddress(sDwmDll, "DwmExtendFrameIntoClientArea"); dwmIsCompositionEnabledPtr = (DwmIsCompositionEnabledProc)::GetProcAddress(sDwmDll, "DwmIsCompositionEnabled"); dwmSetIconicThumbnailPtr = (DwmSetIconicThumbnailProc)::GetProcAddress(sDwmDll, "DwmSetIconicThumbnail"); dwmSetIconicLivePreviewBitmapPtr = (DwmSetIconicLivePreviewBitmapProc)::GetProcAddress(sDwmDll, "DwmSetIconicLivePreviewBitmap"); dwmGetWindowAttributePtr = (DwmGetWindowAttributeProc)::GetProcAddress(sDwmDll, "DwmGetWindowAttribute"); dwmSetWindowAttributePtr = (DwmSetWindowAttributeProc)::GetProcAddress(sDwmDll, "DwmSetWindowAttribute"); dwmInvalidateIconicBitmapsPtr = (DwmInvalidateIconicBitmapsProc)::GetProcAddress(sDwmDll, "DwmInvalidateIconicBitmaps"); dwmDwmDefWindowProcPtr = (DwmDefWindowProcProc)::GetProcAddress(sDwmDll, "DwmDefWindowProc"); dwmGetCompositionTimingInfoPtr = (DwmGetCompositionTimingInfoProc)::GetProcAddress(sDwmDll, "DwmGetCompositionTimingInfo"); } } } /* static */ WinUtils::WinVersion WinUtils::GetWindowsVersion() { static int32_t version = 0; if (version) { return static_cast(version); } OSVERSIONINFOEX osInfo; osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); // This cast is safe and supposed to be here, don't worry ::GetVersionEx((OSVERSIONINFO*)&osInfo); version = (osInfo.dwMajorVersion & 0xff) << 8 | (osInfo.dwMinorVersion & 0xff); return static_cast(version); } /* static */ bool WinUtils::GetWindowsServicePackVersion(UINT& aOutMajor, UINT& aOutMinor) { OSVERSIONINFOEX osInfo; osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); // This cast is safe and supposed to be here, don't worry if (!::GetVersionEx((OSVERSIONINFO*)&osInfo)) { return false; } aOutMajor = osInfo.wServicePackMajor; aOutMinor = osInfo.wServicePackMinor; return true; } /* static */ bool WinUtils::PeekMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage, UINT aLastMessage, UINT aOption) { #ifdef NS_ENABLE_TSF ITfMessagePump* msgPump = nsTextStore::GetMessagePump(); if (msgPump) { BOOL ret = FALSE; HRESULT hr = msgPump->PeekMessageW(aMsg, aWnd, aFirstMessage, aLastMessage, aOption, &ret); NS_ENSURE_TRUE(SUCCEEDED(hr), false); return ret; } #endif // #ifdef NS_ENABLE_TSF return ::PeekMessageW(aMsg, aWnd, aFirstMessage, aLastMessage, aOption); } /* static */ bool WinUtils::GetMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage, UINT aLastMessage) { #ifdef NS_ENABLE_TSF ITfMessagePump* msgPump = nsTextStore::GetMessagePump(); if (msgPump) { BOOL ret = FALSE; HRESULT hr = msgPump->GetMessageW(aMsg, aWnd, aFirstMessage, aLastMessage, &ret); NS_ENSURE_TRUE(SUCCEEDED(hr), false); return ret; } #endif // #ifdef NS_ENABLE_TSF return ::GetMessageW(aMsg, aWnd, aFirstMessage, aLastMessage); } /* static */ void WinUtils::WaitForMessage() { DWORD result = ::MsgWaitForMultipleObjectsEx(0, nullptr, INFINITE, QS_ALLINPUT, MWMO_INPUTAVAILABLE); NS_WARN_IF_FALSE(result != WAIT_FAILED, "Wait failed"); // This idiom is taken from the Chromium ipc code, see // ipc/chromium/src/base/message+puimp_win.cpp:270. // The intent is to avoid a busy wait when MsgWaitForMultipleObjectsEx // returns quickly but PeekMessage would not return a message. if (result == WAIT_OBJECT_0) { MSG msg = {0}; DWORD queue_status = ::GetQueueStatus(QS_MOUSE); if (HIWORD(queue_status) & QS_MOUSE && !PeekMessage(&msg, nullptr, WM_MOUSEFIRST, WM_MOUSELAST, PM_NOREMOVE)) { ::WaitMessage(); } } } /* static */ bool WinUtils::GetRegistryKey(HKEY aRoot, const PRUnichar* aKeyName, const PRUnichar* aValueName, PRUnichar* aBuffer, DWORD aBufferLength) { NS_PRECONDITION(aKeyName, "The key name is NULL"); HKEY key; LONG result = ::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_32KEY, &key); if (result != ERROR_SUCCESS) { result = ::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_64KEY, &key); if (result != ERROR_SUCCESS) { return false; } } DWORD type; result = ::RegQueryValueExW(key, aValueName, nullptr, &type, (BYTE*) aBuffer, &aBufferLength); ::RegCloseKey(key); if (result != ERROR_SUCCESS || type != REG_SZ) { return false; } if (aBuffer) { aBuffer[aBufferLength / sizeof(*aBuffer) - 1] = 0; } return true; } /* static */ bool WinUtils::HasRegistryKey(HKEY aRoot, const PRUnichar* aKeyName) { MOZ_ASSERT(aRoot, "aRoot must not be NULL"); MOZ_ASSERT(aKeyName, "aKeyName must not be NULL"); HKEY key; LONG result = ::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_32KEY, &key); if (result != ERROR_SUCCESS) { result = ::RegOpenKeyExW(aRoot, aKeyName, 0, KEY_READ | KEY_WOW64_64KEY, &key); if (result != ERROR_SUCCESS) { return false; } } ::RegCloseKey(key); return true; } /* static */ HWND WinUtils::GetTopLevelHWND(HWND aWnd, bool aStopIfNotChild, bool aStopIfNotPopup) { HWND curWnd = aWnd; HWND topWnd = nullptr; while (curWnd) { topWnd = curWnd; if (aStopIfNotChild) { DWORD_PTR style = ::GetWindowLongPtrW(curWnd, GWL_STYLE); VERIFY_WINDOW_STYLE(style); if (!(style & WS_CHILD)) // first top-level window break; } HWND upWnd = ::GetParent(curWnd); // Parent or owner (if has no parent) // GetParent will only return the owner if the passed in window // has the WS_POPUP style. if (!upWnd && !aStopIfNotPopup) { upWnd = ::GetWindow(curWnd, GW_OWNER); } curWnd = upWnd; } return topWnd; } static PRUnichar* GetNSWindowPropName() { static PRUnichar sPropName[40] = L""; if (!*sPropName) { _snwprintf(sPropName, 39, L"MozillansIWidgetPtr%p", ::GetCurrentProcessId()); sPropName[39] = '\0'; } return sPropName; } /* static */ bool WinUtils::SetNSWindowBasePtr(HWND aWnd, nsWindowBase* aWidget) { if (!aWidget) { ::RemovePropW(aWnd, GetNSWindowPropName()); return true; } return ::SetPropW(aWnd, GetNSWindowPropName(), (HANDLE)aWidget); } /* static */ nsWindowBase* WinUtils::GetNSWindowBasePtr(HWND aWnd) { return static_cast(::GetPropW(aWnd, GetNSWindowPropName())); } /* static */ nsWindow* WinUtils::GetNSWindowPtr(HWND aWnd) { return static_cast(::GetPropW(aWnd, GetNSWindowPropName())); } static BOOL CALLBACK AddMonitor(HMONITOR, HDC, LPRECT, LPARAM aParam) { (*(int32_t*)aParam)++; return TRUE; } /* static */ int32_t WinUtils::GetMonitorCount() { int32_t monitorCount = 0; EnumDisplayMonitors(nullptr, nullptr, AddMonitor, (LPARAM)&monitorCount); return monitorCount; } /* static */ bool WinUtils::IsOurProcessWindow(HWND aWnd) { if (!aWnd) { return false; } DWORD processId = 0; ::GetWindowThreadProcessId(aWnd, &processId); return (processId == ::GetCurrentProcessId()); } /* static */ HWND WinUtils::FindOurProcessWindow(HWND aWnd) { for (HWND wnd = ::GetParent(aWnd); wnd; wnd = ::GetParent(wnd)) { if (IsOurProcessWindow(wnd)) { return wnd; } } return nullptr; } static bool 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. */ static HWND 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; }; 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(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(&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(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 &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 icoFile; nsresult rv = FaviconHelper::GetOutputIconPath(mNewURI, icoFile, mURLShortcut); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr mozIconURI; rv = NS_NewURI(getter_AddRefs(mozIconURI), "moz-icon://.html?size=32"); if (NS_FAILED(rv)) { return rv; } nsCOMPtr channel; rv = NS_NewChannel(getter_AddRefs(channel), mozIconURI); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr downloadObserver = new myDownloadObserver; nsCOMPtr 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 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 stream; rv = NS_NewByteInputStream(getter_AddRefs(stream), reinterpret_cast(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 container; nsCOMPtr imgtool = do_CreateInstance("@mozilla.org/image/tools;1"); rv = imgtool->DecodeImageData(stream, aMimeType, getter_AddRefs(container)); NS_ENSURE_SUCCESS(rv, rv); nsRefPtr imgFrame; rv = container->GetFrame(imgIContainer::FRAME_FIRST, 0, getter_AddRefs(imgFrame)); NS_ENSURE_SUCCESS(rv, rv); nsRefPtr imageSurface; gfxIntSize size; if (mURLShortcut) { imageSurface = new gfxImageSurface(gfxIntSize(48, 48), gfxImageFormatARGB32); 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 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 iconStream; nsRefPtr 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 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 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 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 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 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 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 supp; if (NS_FAILED(entries->GetNext(getter_AddRefs(supp)))) break; nsCOMPtr 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 aFaviconPageURI, nsString &aICOFilePath, nsCOMPtr &aIOThread, bool aURLShortcut) { // Obtain the ICO file path nsCOMPtr 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 &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(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: // \jumpListCache\.ico nsresult FaviconHelper::GetOutputIconPath(nsCOMPtr aFaviconPageURI, nsCOMPtr &aICOFile, bool aURLShortcut) { // Hash the input URI and replace any / with _ nsAutoCString inputURIHash; nsCOMPtr 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 aFaviconPageURI, nsCOMPtr aICOFile, nsCOMPtr &aIOThread, bool aURLShortcut) { #ifdef MOZ_PLACES // Obtain the favicon service and get the favicon for the specified page nsCOMPtr favIconSvc( do_GetService("@mozilla.org/browser/favicon-service;1")); NS_ENSURE_TRUE(favIconSvc, NS_ERROR_FAILURE); nsCOMPtr 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 buffer; if (!buffer.SetLength(size)) return rgn; RGNDATA* data = reinterpret_cast(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(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* 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])); } } } } // namespace widget } // namespace mozilla