/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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/. */ #ifndef mozilla_widget_WinUtils_h__ #define mozilla_widget_WinUtils_h__ #include "nscore.h" #include #include #include "nsAutoPtr.h" #include "nsString.h" #include "nsRegion.h" #include "nsRect.h" #include "nsThreadUtils.h" #include "nsICryptoHash.h" #ifdef MOZ_PLACES #include "nsIFaviconService.h" #endif #include "nsIDownloader.h" #include "nsIURI.h" #include "nsIWidget.h" #include "mozilla/Attributes.h" class nsWindow; struct KeyPair; namespace mozilla { namespace widget { class myDownloadObserver MOZ_FINAL : public nsIDownloadObserver { public: NS_DECL_ISUPPORTS NS_DECL_NSIDOWNLOADOBSERVER }; class WinUtils { public: enum WinVersion { WINXP_VERSION = 0x501, WIN2K3_VERSION = 0x502, VISTA_VERSION = 0x600, // WIN2K8_VERSION = VISTA_VERSION, WIN7_VERSION = 0x601, // WIN2K8R2_VERSION = WIN7_VERSION WIN8_VERSION = 0x602 }; static WinVersion GetWindowsVersion(); // Retrieves the Service Pack version number. // Returns true on success, false on failure. static bool GetWindowsServicePackVersion(UINT& aOutMajor, UINT& aOutMinor); /** * PeekMessage() and GetMessage() are wrapper methods for PeekMessageW(), * GetMessageW(), ITfMessageMgr::PeekMessageW() and * ITfMessageMgr::GetMessageW(). * Don't call the native APIs directly. You MUST use these methods instead. */ static bool PeekMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage, UINT aLastMessage, UINT aOption); static bool GetMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage, UINT aLastMessage); /** * Gets the value of a string-typed registry value. * * @param aRoot The registry root to search in. * @param aKeyName The name of the registry key to open. * @param aValueName The name of the registry value in the specified key whose * value is to be retrieved. Can be null, to retrieve the key's unnamed/ * default value. * @param aBuffer The buffer into which to store the string value. Can be * null, in which case the return value indicates just whether the value * exists. * @param aBufferLength The size of aBuffer, in bytes. * @return Whether the value exists and is a string. */ static bool GetRegistryKey(HKEY aRoot, const PRUnichar* aKeyName, const PRUnichar* aValueName, PRUnichar* aBuffer, DWORD aBufferLength); /** * Checks whether the registry key exists in either 32bit or 64bit branch on * the environment. * * @param aRoot The registry root of aName. * @param aKeyName The name of the registry key to check. * @return TRUE if it exists and is readable. Otherwise, FALSE. */ static bool HasRegistryKey(HKEY aRoot, const PRUnichar* aKeyName); /** * GetTopLevelHWND() returns a window handle of the top level window which * aWnd belongs to. Note that the result may not be our window, i.e., it * may not be managed by nsWindow. * * See follwing table for the detail of the result window type. * * +-------------------------+-----------------------------------------------+ * | | aStopIfNotPopup | * +-------------------------+-----------------------+-----------------------+ * | | TRUE | FALSE | + +-----------------+-------+-----------------------+-----------------------+ * | | | * an independent top level window | * | | TRUE | * a pupup window (WS_POPUP) | * | | | * an owned top level window (like dialog) | * | aStopIfNotChild +-------+-----------------------+-----------------------+ * | | | * independent window | * only an independent | * | | FALSE | * non-popup-owned- | top level window | * | | | window like dialog | | * +-----------------+-------+-----------------------+-----------------------+ */ static HWND GetTopLevelHWND(HWND aWnd, bool aStopIfNotChild = false, bool aStopIfNotPopup = true); /** * SetNSWindowPtr() associates an nsWindow to aWnd. If aWindow is NULL, * it dissociate any nsWindow pointer from aWnd. * GetNSWindowPtr() returns an nsWindow pointer which was associated by * SetNSWindowPtr(). */ static bool SetNSWindowPtr(HWND aWnd, nsWindow* aWindow); static nsWindow* GetNSWindowPtr(HWND aWnd); /** * GetMonitorCount() returns count of monitors on the environment. */ static int32_t GetMonitorCount(); /** * IsOurProcessWindow() returns TRUE if aWnd belongs our process. * Otherwise, FALSE. */ static bool IsOurProcessWindow(HWND aWnd); /** * FindOurProcessWindow() returns the nearest ancestor window which * belongs to our process. If it fails to find our process's window by the * top level window, returns NULL. And note that this is using ::GetParent() * for climbing the window hierarchy, therefore, it gives up at an owned top * level window except popup window (e.g., dialog). */ static HWND FindOurProcessWindow(HWND aWnd); /** * FindOurWindowAtPoint() returns the topmost child window which belongs to * our process's top level window. * * NOTE: the topmost child window may NOT be our process's window like a * plugin's window. */ static HWND FindOurWindowAtPoint(const POINT& aPointInScreen); /** * InitMSG() returns an MSG struct which was initialized by the params. * Don't trust the other members in the result. */ static MSG InitMSG(UINT aMessage, WPARAM wParam, LPARAM lParam, HWND aWnd); /** * GetScanCode() returns a scan code for the LPARAM of WM_KEYDOWN, WM_KEYUP, * WM_CHAR and WM_UNICHAR. * */ static WORD GetScanCode(LPARAM aLParam) { return (aLParam >> 16) & 0xFF; } /** * IsExtendedScanCode() returns TRUE if the LPARAM indicates the key message * is an extended key event. */ static bool IsExtendedScanCode(LPARAM aLParam) { return (aLParam & 0x1000000) != 0; } /** * GetInternalMessage() converts a native message to an internal message. * If there is no internal message for the given native message, returns * the native message itself. */ static UINT GetInternalMessage(UINT aNativeMessage); /** * GetNativeMessage() converts an internal message to a native message. * If aInternalMessage is a native message, returns the native message itself. */ static UINT GetNativeMessage(UINT aInternalMessage); /** * GetMouseInputSource() returns a pointing device information. The value is * one of nsIDOMMouseEvent::MOZ_SOURCE_*. This method MUST be called during * mouse message handling. */ static uint16_t GetMouseInputSource(); /** * SHCreateItemFromParsingName() calls native SHCreateItemFromParsingName() * API which is available on Vista and up. */ static HRESULT SHCreateItemFromParsingName(PCWSTR pszPath, IBindCtx *pbc, REFIID riid, void **ppv); /** * SHGetKnownFolderPath() calls native SHGetKnownFolderPath() * API which is available on Vista and up. */ static HRESULT SHGetKnownFolderPath(REFKNOWNFOLDERID rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath); /** * GetShellItemPath return the file or directory path of a shell item. * Internally calls IShellItem's GetDisplayName. * * aItem the shell item containing the path. * aResultString the resulting string path. * returns true if a path was retreived. */ static bool GetShellItemPath(IShellItem* aItem, nsString& aResultString); /** * ConvertHRGNToRegion converts a Windows HRGN to an nsIntRegion. * * aRgn the HRGN to convert. * returns the nsIntRegion. */ static nsIntRegion ConvertHRGNToRegion(HRGN aRgn); /** * ToIntRect converts a Windows RECT to a nsIntRect. * * aRect the RECT to convert. * returns the nsIntRect. */ static nsIntRect ToIntRect(const RECT& aRect); /** * Returns true if the context or IME state is enabled. Otherwise, false. */ static bool IsIMEEnabled(const InputContext& aInputContext); static bool IsIMEEnabled(IMEState::Enabled aIMEState); /** * Returns modifier key array for aModifiers. This is for * nsIWidget::SynthethizeNative*Event(). */ static void SetupKeyModifiersSequence(nsTArray* aArray, uint32_t aModifiers); private: typedef HRESULT (WINAPI * SHCreateItemFromParsingNamePtr)(PCWSTR pszPath, IBindCtx *pbc, REFIID riid, void **ppv); static SHCreateItemFromParsingNamePtr sCreateItemFromParsingName; typedef HRESULT (WINAPI * SHGetKnownFolderPathPtr)(REFKNOWNFOLDERID rfid, DWORD dwFlags, HANDLE hToken, PWSTR *ppszPath); static SHGetKnownFolderPathPtr sGetKnownFolderPath; }; #ifdef MOZ_PLACES class AsyncFaviconDataReady MOZ_FINAL : public nsIFaviconDataCallback { public: NS_DECL_ISUPPORTS NS_DECL_NSIFAVICONDATACALLBACK AsyncFaviconDataReady(nsIURI *aNewURI, nsCOMPtr &aIOThread, const bool aURLShortcut); nsresult OnFaviconDataNotAvailable(void); private: nsCOMPtr mNewURI; nsCOMPtr mIOThread; const bool mURLShortcut; }; #endif /** * Asynchronously tries add the list to the build */ class AsyncEncodeAndWriteIcon : public nsIRunnable { public: const bool mURLShortcut; NS_DECL_ISUPPORTS NS_DECL_NSIRUNNABLE // Warning: AsyncEncodeAndWriteIcon assumes ownership of the aData buffer passed in AsyncEncodeAndWriteIcon(const nsAString &aIconPath, uint8_t *aData, uint32_t aDataLen, uint32_t aStride, uint32_t aWidth, uint32_t aHeight, const bool aURLShortcut); virtual ~AsyncEncodeAndWriteIcon(); private: nsAutoString mIconPath; nsAutoCString mMimeTypeOfInputData; nsAutoArrayPtr mBuffer; uint32_t mBufferLength; uint32_t mStride; uint32_t mWidth; uint32_t mHeight; }; class AsyncDeleteIconFromDisk : public nsIRunnable { public: NS_DECL_ISUPPORTS NS_DECL_NSIRUNNABLE AsyncDeleteIconFromDisk(const nsAString &aIconPath); virtual ~AsyncDeleteIconFromDisk(); private: nsAutoString mIconPath; }; class AsyncDeleteAllFaviconsFromDisk : public nsIRunnable { public: NS_DECL_ISUPPORTS NS_DECL_NSIRUNNABLE AsyncDeleteAllFaviconsFromDisk(); virtual ~AsyncDeleteAllFaviconsFromDisk(); }; class FaviconHelper { public: static const char kJumpListCacheDir[]; static const char kShortcutCacheDir[]; static nsresult ObtainCachedIconFile(nsCOMPtr aFaviconPageURI, nsString &aICOFilePath, nsCOMPtr &aIOThread, bool aURLShortcut); static nsresult HashURI(nsCOMPtr &aCryptoHash, nsIURI *aUri, nsACString& aUriHash); static nsresult GetOutputIconPath(nsCOMPtr aFaviconPageURI, nsCOMPtr &aICOFile, bool aURLShortcut); static nsresult CacheIconFileFromFaviconURIAsync(nsCOMPtr aFaviconPageURI, nsCOMPtr aICOFile, nsCOMPtr &aIOThread, bool aURLShortcut); static int32_t GetICOCacheSecondsTimeout(); }; } // namespace widget } // namespace mozilla #endif // mozilla_widget_WinUtils_h__