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gecko/widget/windows/WinUtils.h

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/* -*- 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 <windows.h>
#include <shobjidl.h>
#include <uxtheme.h>
#include <dwmapi.h>
#include "nsAutoPtr.h"
#include "nsString.h"
#include "nsRegion.h"
#include "nsIRunnable.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;
class nsWindowBase;
struct KeyPair;
struct nsIntRect;
class nsIThread;
namespace mozilla {
namespace widget {
// More complete QS definitions for MsgWaitForMultipleObjects() and
// GetQueueStatus() that include newer win8 specific defines.
#ifndef QS_RAWINPUT
#define QS_RAWINPUT 0x0400
#endif
#ifndef QS_TOUCH
#define QS_TOUCH 0x0800
#define QS_POINTER 0x1000
#endif
#define MOZ_QS_ALLEVENT (QS_KEY | QS_MOUSEMOVE | QS_MOUSEBUTTON | \
QS_POSTMESSAGE | QS_TIMER | QS_PAINT | \
QS_SENDMESSAGE | QS_HOTKEY | \
QS_ALLPOSTMESSAGE | QS_RAWINPUT | \
QS_TOUCH | QS_POINTER)
// Logging macros
#define LogFunction() mozilla::widget::WinUtils::Log(__FUNCTION__)
#define LogThread() mozilla::widget::WinUtils::Log("%s: IsMainThread:%d ThreadId:%X", __FUNCTION__, NS_IsMainThread(), GetCurrentThreadId())
#define LogThis() mozilla::widget::WinUtils::Log("[%X] %s", this, __FUNCTION__)
#define LogException(e) mozilla::widget::WinUtils::Log("%s Exception:%s", __FUNCTION__, e->ToString()->Data())
#define LogHRESULT(hr) mozilla::widget::WinUtils::Log("%s hr=%X", __FUNCTION__, hr)
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,
WIN7_VERSION = 0x601,
WIN8_VERSION = 0x602,
WIN8_1_VERSION = 0x603
};
static WinVersion GetWindowsVersion();
// Retrieves the Service Pack version number.
// Returns true on success, false on failure.
static bool GetWindowsServicePackVersion(UINT& aOutMajor, UINT& aOutMinor);
/**
* Logging helpers that dump output to prlog module 'Widget', console, and
* OutputDebugString. Note these output in both debug and release builds.
*/
static void Log(const char *fmt, ...);
static void LogW(const wchar_t *fmt, ...);
/**
* 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);
/**
* Wait until a message is ready to be processed.
* Prefer using this method to directly calling ::WaitMessage since
* ::WaitMessage will wait if there is an unread message in the queue.
* That can cause freezes until another message enters the queue if the
* message is marked read by a call to PeekMessage which the caller is
* not aware of (e.g., from a different thread).
* Note that this method may cause sync dispatch of sent (as opposed to
* posted) messages.
*/
static void WaitForMessage();
/**
* 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);
/**
* SetNSWindowBasePtr() associates an nsWindowBase to aWnd. If aWidget is
* nullptr, it dissociate any nsBaseWidget pointer from aWnd.
* GetNSWindowBasePtr() returns an nsWindowBase pointer which was associated by
* SetNSWindowBasePtr().
* GetNSWindowPtr() is a legacy api for win32 nsWindow and should be avoided
* outside of nsWindow src.
*/
static bool SetNSWindowBasePtr(HWND aWnd, nsWindowBase* aWidget);
static nsWindowBase* GetNSWindowBasePtr(HWND aWnd);
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 nullptr. 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<KeyPair>* aArray,
uint32_t aModifiers);
// dwmapi.dll function typedefs and declarations
typedef HRESULT (WINAPI*DwmExtendFrameIntoClientAreaProc)(HWND hWnd, const MARGINS *pMarInset);
typedef HRESULT (WINAPI*DwmIsCompositionEnabledProc)(BOOL *pfEnabled);
typedef HRESULT (WINAPI*DwmSetIconicThumbnailProc)(HWND hWnd, HBITMAP hBitmap, DWORD dwSITFlags);
typedef HRESULT (WINAPI*DwmSetIconicLivePreviewBitmapProc)(HWND hWnd, HBITMAP hBitmap, POINT *pptClient, DWORD dwSITFlags);
typedef HRESULT (WINAPI*DwmGetWindowAttributeProc)(HWND hWnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
typedef HRESULT (WINAPI*DwmSetWindowAttributeProc)(HWND hWnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
typedef HRESULT (WINAPI*DwmInvalidateIconicBitmapsProc)(HWND hWnd);
typedef HRESULT (WINAPI*DwmDefWindowProcProc)(HWND hWnd, UINT msg, LPARAM lParam, WPARAM wParam, LRESULT *aRetValue);
typedef HRESULT (WINAPI*DwmGetCompositionTimingInfoProc)(HWND hWnd, DWM_TIMING_INFO *info);
static DwmExtendFrameIntoClientAreaProc dwmExtendFrameIntoClientAreaPtr;
static DwmIsCompositionEnabledProc dwmIsCompositionEnabledPtr;
static DwmSetIconicThumbnailProc dwmSetIconicThumbnailPtr;
static DwmSetIconicLivePreviewBitmapProc dwmSetIconicLivePreviewBitmapPtr;
static DwmGetWindowAttributeProc dwmGetWindowAttributePtr;
static DwmSetWindowAttributeProc dwmSetWindowAttributePtr;
static DwmInvalidateIconicBitmapsProc dwmInvalidateIconicBitmapsPtr;
static DwmDefWindowProcProc dwmDwmDefWindowProcPtr;
static DwmGetCompositionTimingInfoProc dwmGetCompositionTimingInfoPtr;
static void Initialize();
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<nsIThread> &aIOThread,
const bool aURLShortcut);
nsresult OnFaviconDataNotAvailable(void);
private:
nsCOMPtr<nsIURI> mNewURI;
nsCOMPtr<nsIThread> mIOThread;
const bool mURLShortcut;
};
#endif
/**
* Asynchronously tries add the list to the build
*/
class AsyncEncodeAndWriteIcon : public nsIRunnable
{
public:
const bool mURLShortcut;
NS_DECL_THREADSAFE_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<uint8_t> mBuffer;
HMODULE sDwmDLL;
uint32_t mBufferLength;
uint32_t mStride;
uint32_t mWidth;
uint32_t mHeight;
};
class AsyncDeleteIconFromDisk : public nsIRunnable
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIRUNNABLE
AsyncDeleteIconFromDisk(const nsAString &aIconPath);
virtual ~AsyncDeleteIconFromDisk();
private:
nsAutoString mIconPath;
};
class AsyncDeleteAllFaviconsFromDisk : public nsIRunnable
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIRUNNABLE
AsyncDeleteAllFaviconsFromDisk();
virtual ~AsyncDeleteAllFaviconsFromDisk();
};
class FaviconHelper
{
public:
static const char kJumpListCacheDir[];
static const char kShortcutCacheDir[];
static nsresult ObtainCachedIconFile(nsCOMPtr<nsIURI> aFaviconPageURI,
nsString &aICOFilePath,
nsCOMPtr<nsIThread> &aIOThread,
bool aURLShortcut);
static nsresult HashURI(nsCOMPtr<nsICryptoHash> &aCryptoHash,
nsIURI *aUri,
nsACString& aUriHash);
static nsresult GetOutputIconPath(nsCOMPtr<nsIURI> aFaviconPageURI,
nsCOMPtr<nsIFile> &aICOFile,
bool aURLShortcut);
static nsresult
CacheIconFileFromFaviconURIAsync(nsCOMPtr<nsIURI> aFaviconPageURI,
nsCOMPtr<nsIFile> aICOFile,
nsCOMPtr<nsIThread> &aIOThread,
bool aURLShortcut);
static int32_t GetICOCacheSecondsTimeout();
};
} // namespace widget
} // namespace mozilla
#endif // mozilla_widget_WinUtils_h__
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