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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /widget/windows/WinUtils.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'widget/windows/WinUtils.cpp')
-rw-r--r--widget/windows/WinUtils.cpp2110
1 files changed, 2110 insertions, 0 deletions
diff --git a/widget/windows/WinUtils.cpp b/widget/windows/WinUtils.cpp
new file mode 100644
index 000000000..149513b2f
--- /dev/null
+++ b/widget/windows/WinUtils.cpp
@@ -0,0 +1,2110 @@
+/* -*- 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 <knownfolders.h>
+#include <winioctl.h>
+
+#include "gfxPlatform.h"
+#include "gfxUtils.h"
+#include "nsWindow.h"
+#include "nsWindowDefs.h"
+#include "KeyboardLayout.h"
+#include "nsIDOMMouseEvent.h"
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/DataSurfaceHelpers.h"
+#include "mozilla/HangMonitor.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/WindowsVersion.h"
+#include "mozilla/Unused.h"
+#include "nsIContentPolicy.h"
+#include "nsContentUtils.h"
+
+#include "mozilla/Logging.h"
+
+#include "nsString.h"
+#include "nsDirectoryServiceUtils.h"
+#include "imgIContainer.h"
+#include "imgITools.h"
+#include "nsStringStream.h"
+#include "nsNetUtil.h"
+#include "nsIOutputStream.h"
+#include "nsNetCID.h"
+#include "prtime.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 "nsLookAndFeel.h"
+#include "nsUnicharUtils.h"
+#include "nsWindowsHelpers.h"
+
+#ifdef NS_ENABLE_TSF
+#include <textstor.h>
+#include "TSFTextStore.h"
+#endif // #ifdef NS_ENABLE_TSF
+
+#include <shlwapi.h>
+
+mozilla::LazyLogModule gWindowsLog("Widget");
+
+using namespace mozilla::gfx;
+
+namespace mozilla {
+namespace widget {
+
+#define ENTRY(_msg) { #_msg, _msg }
+EventMsgInfo gAllEvents[] = {
+ ENTRY(WM_NULL),
+ ENTRY(WM_CREATE),
+ ENTRY(WM_DESTROY),
+ ENTRY(WM_MOVE),
+ ENTRY(WM_SIZE),
+ ENTRY(WM_ACTIVATE),
+ ENTRY(WM_SETFOCUS),
+ ENTRY(WM_KILLFOCUS),
+ ENTRY(WM_ENABLE),
+ ENTRY(WM_SETREDRAW),
+ ENTRY(WM_SETTEXT),
+ ENTRY(WM_GETTEXT),
+ ENTRY(WM_GETTEXTLENGTH),
+ ENTRY(WM_PAINT),
+ ENTRY(WM_CLOSE),
+ ENTRY(WM_QUERYENDSESSION),
+ ENTRY(WM_QUIT),
+ ENTRY(WM_QUERYOPEN),
+ ENTRY(WM_ERASEBKGND),
+ ENTRY(WM_SYSCOLORCHANGE),
+ ENTRY(WM_ENDSESSION),
+ ENTRY(WM_SHOWWINDOW),
+ ENTRY(WM_SETTINGCHANGE),
+ ENTRY(WM_DEVMODECHANGE),
+ ENTRY(WM_ACTIVATEAPP),
+ ENTRY(WM_FONTCHANGE),
+ ENTRY(WM_TIMECHANGE),
+ ENTRY(WM_CANCELMODE),
+ ENTRY(WM_SETCURSOR),
+ ENTRY(WM_MOUSEACTIVATE),
+ ENTRY(WM_CHILDACTIVATE),
+ ENTRY(WM_QUEUESYNC),
+ ENTRY(WM_GETMINMAXINFO),
+ ENTRY(WM_PAINTICON),
+ ENTRY(WM_ICONERASEBKGND),
+ ENTRY(WM_NEXTDLGCTL),
+ ENTRY(WM_SPOOLERSTATUS),
+ ENTRY(WM_DRAWITEM),
+ ENTRY(WM_MEASUREITEM),
+ ENTRY(WM_DELETEITEM),
+ ENTRY(WM_VKEYTOITEM),
+ ENTRY(WM_CHARTOITEM),
+ ENTRY(WM_SETFONT),
+ ENTRY(WM_GETFONT),
+ ENTRY(WM_SETHOTKEY),
+ ENTRY(WM_GETHOTKEY),
+ ENTRY(WM_QUERYDRAGICON),
+ ENTRY(WM_COMPAREITEM),
+ ENTRY(WM_GETOBJECT),
+ ENTRY(WM_COMPACTING),
+ ENTRY(WM_COMMNOTIFY),
+ ENTRY(WM_WINDOWPOSCHANGING),
+ ENTRY(WM_WINDOWPOSCHANGED),
+ ENTRY(WM_POWER),
+ ENTRY(WM_COPYDATA),
+ ENTRY(WM_CANCELJOURNAL),
+ ENTRY(WM_NOTIFY),
+ ENTRY(WM_INPUTLANGCHANGEREQUEST),
+ ENTRY(WM_INPUTLANGCHANGE),
+ ENTRY(WM_TCARD),
+ ENTRY(WM_HELP),
+ ENTRY(WM_USERCHANGED),
+ ENTRY(WM_NOTIFYFORMAT),
+ ENTRY(WM_CONTEXTMENU),
+ ENTRY(WM_STYLECHANGING),
+ ENTRY(WM_STYLECHANGED),
+ ENTRY(WM_DISPLAYCHANGE),
+ ENTRY(WM_GETICON),
+ ENTRY(WM_SETICON),
+ ENTRY(WM_NCCREATE),
+ ENTRY(WM_NCDESTROY),
+ ENTRY(WM_NCCALCSIZE),
+ ENTRY(WM_NCHITTEST),
+ ENTRY(WM_NCPAINT),
+ ENTRY(WM_NCACTIVATE),
+ ENTRY(WM_GETDLGCODE),
+ ENTRY(WM_SYNCPAINT),
+ ENTRY(WM_NCMOUSEMOVE),
+ ENTRY(WM_NCLBUTTONDOWN),
+ ENTRY(WM_NCLBUTTONUP),
+ ENTRY(WM_NCLBUTTONDBLCLK),
+ ENTRY(WM_NCRBUTTONDOWN),
+ ENTRY(WM_NCRBUTTONUP),
+ ENTRY(WM_NCRBUTTONDBLCLK),
+ ENTRY(WM_NCMBUTTONDOWN),
+ ENTRY(WM_NCMBUTTONUP),
+ ENTRY(WM_NCMBUTTONDBLCLK),
+ ENTRY(EM_GETSEL),
+ ENTRY(EM_SETSEL),
+ ENTRY(EM_GETRECT),
+ ENTRY(EM_SETRECT),
+ ENTRY(EM_SETRECTNP),
+ ENTRY(EM_SCROLL),
+ ENTRY(EM_LINESCROLL),
+ ENTRY(EM_SCROLLCARET),
+ ENTRY(EM_GETMODIFY),
+ ENTRY(EM_SETMODIFY),
+ ENTRY(EM_GETLINECOUNT),
+ ENTRY(EM_LINEINDEX),
+ ENTRY(EM_SETHANDLE),
+ ENTRY(EM_GETHANDLE),
+ ENTRY(EM_GETTHUMB),
+ ENTRY(EM_LINELENGTH),
+ ENTRY(EM_REPLACESEL),
+ ENTRY(EM_GETLINE),
+ ENTRY(EM_LIMITTEXT),
+ ENTRY(EM_CANUNDO),
+ ENTRY(EM_UNDO),
+ ENTRY(EM_FMTLINES),
+ ENTRY(EM_LINEFROMCHAR),
+ ENTRY(EM_SETTABSTOPS),
+ ENTRY(EM_SETPASSWORDCHAR),
+ ENTRY(EM_EMPTYUNDOBUFFER),
+ ENTRY(EM_GETFIRSTVISIBLELINE),
+ ENTRY(EM_SETREADONLY),
+ ENTRY(EM_SETWORDBREAKPROC),
+ ENTRY(EM_GETWORDBREAKPROC),
+ ENTRY(EM_GETPASSWORDCHAR),
+ ENTRY(EM_SETMARGINS),
+ ENTRY(EM_GETMARGINS),
+ ENTRY(EM_GETLIMITTEXT),
+ ENTRY(EM_POSFROMCHAR),
+ ENTRY(EM_CHARFROMPOS),
+ ENTRY(EM_SETIMESTATUS),
+ ENTRY(EM_GETIMESTATUS),
+ ENTRY(SBM_SETPOS),
+ ENTRY(SBM_GETPOS),
+ ENTRY(SBM_SETRANGE),
+ ENTRY(SBM_SETRANGEREDRAW),
+ ENTRY(SBM_GETRANGE),
+ ENTRY(SBM_ENABLE_ARROWS),
+ ENTRY(SBM_SETSCROLLINFO),
+ ENTRY(SBM_GETSCROLLINFO),
+ ENTRY(WM_KEYDOWN),
+ ENTRY(WM_KEYUP),
+ ENTRY(WM_CHAR),
+ ENTRY(WM_DEADCHAR),
+ ENTRY(WM_SYSKEYDOWN),
+ ENTRY(WM_SYSKEYUP),
+ ENTRY(WM_SYSCHAR),
+ ENTRY(WM_SYSDEADCHAR),
+ ENTRY(WM_KEYLAST),
+ ENTRY(WM_IME_STARTCOMPOSITION),
+ ENTRY(WM_IME_ENDCOMPOSITION),
+ ENTRY(WM_IME_COMPOSITION),
+ ENTRY(WM_INITDIALOG),
+ ENTRY(WM_COMMAND),
+ ENTRY(WM_SYSCOMMAND),
+ ENTRY(WM_TIMER),
+ ENTRY(WM_HSCROLL),
+ ENTRY(WM_VSCROLL),
+ ENTRY(WM_INITMENU),
+ ENTRY(WM_INITMENUPOPUP),
+ ENTRY(WM_MENUSELECT),
+ ENTRY(WM_MENUCHAR),
+ ENTRY(WM_ENTERIDLE),
+ ENTRY(WM_MENURBUTTONUP),
+ ENTRY(WM_MENUDRAG),
+ ENTRY(WM_MENUGETOBJECT),
+ ENTRY(WM_UNINITMENUPOPUP),
+ ENTRY(WM_MENUCOMMAND),
+ ENTRY(WM_CHANGEUISTATE),
+ ENTRY(WM_UPDATEUISTATE),
+ ENTRY(WM_CTLCOLORMSGBOX),
+ ENTRY(WM_CTLCOLOREDIT),
+ ENTRY(WM_CTLCOLORLISTBOX),
+ ENTRY(WM_CTLCOLORBTN),
+ ENTRY(WM_CTLCOLORDLG),
+ ENTRY(WM_CTLCOLORSCROLLBAR),
+ ENTRY(WM_CTLCOLORSTATIC),
+ ENTRY(CB_GETEDITSEL),
+ ENTRY(CB_LIMITTEXT),
+ ENTRY(CB_SETEDITSEL),
+ ENTRY(CB_ADDSTRING),
+ ENTRY(CB_DELETESTRING),
+ ENTRY(CB_DIR),
+ ENTRY(CB_GETCOUNT),
+ ENTRY(CB_GETCURSEL),
+ ENTRY(CB_GETLBTEXT),
+ ENTRY(CB_GETLBTEXTLEN),
+ ENTRY(CB_INSERTSTRING),
+ ENTRY(CB_RESETCONTENT),
+ ENTRY(CB_FINDSTRING),
+ ENTRY(CB_SELECTSTRING),
+ ENTRY(CB_SETCURSEL),
+ ENTRY(CB_SHOWDROPDOWN),
+ ENTRY(CB_GETITEMDATA),
+ ENTRY(CB_SETITEMDATA),
+ ENTRY(CB_GETDROPPEDCONTROLRECT),
+ ENTRY(CB_SETITEMHEIGHT),
+ ENTRY(CB_GETITEMHEIGHT),
+ ENTRY(CB_SETEXTENDEDUI),
+ ENTRY(CB_GETEXTENDEDUI),
+ ENTRY(CB_GETDROPPEDSTATE),
+ ENTRY(CB_FINDSTRINGEXACT),
+ ENTRY(CB_SETLOCALE),
+ ENTRY(CB_GETLOCALE),
+ ENTRY(CB_GETTOPINDEX),
+ ENTRY(CB_SETTOPINDEX),
+ ENTRY(CB_GETHORIZONTALEXTENT),
+ ENTRY(CB_SETHORIZONTALEXTENT),
+ ENTRY(CB_GETDROPPEDWIDTH),
+ ENTRY(CB_SETDROPPEDWIDTH),
+ ENTRY(CB_INITSTORAGE),
+ ENTRY(CB_MSGMAX),
+ ENTRY(LB_ADDSTRING),
+ ENTRY(LB_INSERTSTRING),
+ ENTRY(LB_DELETESTRING),
+ ENTRY(LB_SELITEMRANGEEX),
+ ENTRY(LB_RESETCONTENT),
+ ENTRY(LB_SETSEL),
+ ENTRY(LB_SETCURSEL),
+ ENTRY(LB_GETSEL),
+ ENTRY(LB_GETCURSEL),
+ ENTRY(LB_GETTEXT),
+ ENTRY(LB_GETTEXTLEN),
+ ENTRY(LB_GETCOUNT),
+ ENTRY(LB_SELECTSTRING),
+ ENTRY(LB_DIR),
+ ENTRY(LB_GETTOPINDEX),
+ ENTRY(LB_FINDSTRING),
+ ENTRY(LB_GETSELCOUNT),
+ ENTRY(LB_GETSELITEMS),
+ ENTRY(LB_SETTABSTOPS),
+ ENTRY(LB_GETHORIZONTALEXTENT),
+ ENTRY(LB_SETHORIZONTALEXTENT),
+ ENTRY(LB_SETCOLUMNWIDTH),
+ ENTRY(LB_ADDFILE),
+ ENTRY(LB_SETTOPINDEX),
+ ENTRY(LB_GETITEMRECT),
+ ENTRY(LB_GETITEMDATA),
+ ENTRY(LB_SETITEMDATA),
+ ENTRY(LB_SELITEMRANGE),
+ ENTRY(LB_SETANCHORINDEX),
+ ENTRY(LB_GETANCHORINDEX),
+ ENTRY(LB_SETCARETINDEX),
+ ENTRY(LB_GETCARETINDEX),
+ ENTRY(LB_SETITEMHEIGHT),
+ ENTRY(LB_GETITEMHEIGHT),
+ ENTRY(LB_FINDSTRINGEXACT),
+ ENTRY(LB_SETLOCALE),
+ ENTRY(LB_GETLOCALE),
+ ENTRY(LB_SETCOUNT),
+ ENTRY(LB_INITSTORAGE),
+ ENTRY(LB_ITEMFROMPOINT),
+ ENTRY(LB_MSGMAX),
+ ENTRY(WM_MOUSEMOVE),
+ ENTRY(WM_LBUTTONDOWN),
+ ENTRY(WM_LBUTTONUP),
+ ENTRY(WM_LBUTTONDBLCLK),
+ ENTRY(WM_RBUTTONDOWN),
+ ENTRY(WM_RBUTTONUP),
+ ENTRY(WM_RBUTTONDBLCLK),
+ ENTRY(WM_MBUTTONDOWN),
+ ENTRY(WM_MBUTTONUP),
+ ENTRY(WM_MBUTTONDBLCLK),
+ ENTRY(WM_MOUSEWHEEL),
+ ENTRY(WM_MOUSEHWHEEL),
+ ENTRY(WM_PARENTNOTIFY),
+ ENTRY(WM_ENTERMENULOOP),
+ ENTRY(WM_EXITMENULOOP),
+ ENTRY(WM_NEXTMENU),
+ ENTRY(WM_SIZING),
+ ENTRY(WM_CAPTURECHANGED),
+ ENTRY(WM_MOVING),
+ ENTRY(WM_POWERBROADCAST),
+ ENTRY(WM_DEVICECHANGE),
+ ENTRY(WM_MDICREATE),
+ ENTRY(WM_MDIDESTROY),
+ ENTRY(WM_MDIACTIVATE),
+ ENTRY(WM_MDIRESTORE),
+ ENTRY(WM_MDINEXT),
+ ENTRY(WM_MDIMAXIMIZE),
+ ENTRY(WM_MDITILE),
+ ENTRY(WM_MDICASCADE),
+ ENTRY(WM_MDIICONARRANGE),
+ ENTRY(WM_MDIGETACTIVE),
+ ENTRY(WM_MDISETMENU),
+ ENTRY(WM_ENTERSIZEMOVE),
+ ENTRY(WM_EXITSIZEMOVE),
+ ENTRY(WM_DROPFILES),
+ ENTRY(WM_MDIREFRESHMENU),
+ ENTRY(WM_IME_SETCONTEXT),
+ ENTRY(WM_IME_NOTIFY),
+ ENTRY(WM_IME_CONTROL),
+ ENTRY(WM_IME_COMPOSITIONFULL),
+ ENTRY(WM_IME_SELECT),
+ ENTRY(WM_IME_CHAR),
+ ENTRY(WM_IME_REQUEST),
+ ENTRY(WM_IME_KEYDOWN),
+ ENTRY(WM_IME_KEYUP),
+ ENTRY(WM_NCMOUSEHOVER),
+ ENTRY(WM_MOUSEHOVER),
+ ENTRY(WM_MOUSELEAVE),
+ ENTRY(WM_CUT),
+ ENTRY(WM_COPY),
+ ENTRY(WM_PASTE),
+ ENTRY(WM_CLEAR),
+ ENTRY(WM_UNDO),
+ ENTRY(WM_RENDERFORMAT),
+ ENTRY(WM_RENDERALLFORMATS),
+ ENTRY(WM_DESTROYCLIPBOARD),
+ ENTRY(WM_DRAWCLIPBOARD),
+ ENTRY(WM_PAINTCLIPBOARD),
+ ENTRY(WM_VSCROLLCLIPBOARD),
+ ENTRY(WM_SIZECLIPBOARD),
+ ENTRY(WM_ASKCBFORMATNAME),
+ ENTRY(WM_CHANGECBCHAIN),
+ ENTRY(WM_HSCROLLCLIPBOARD),
+ ENTRY(WM_QUERYNEWPALETTE),
+ ENTRY(WM_PALETTEISCHANGING),
+ ENTRY(WM_PALETTECHANGED),
+ ENTRY(WM_HOTKEY),
+ ENTRY(WM_PRINT),
+ ENTRY(WM_PRINTCLIENT),
+ ENTRY(WM_THEMECHANGED),
+ ENTRY(WM_HANDHELDFIRST),
+ ENTRY(WM_HANDHELDLAST),
+ ENTRY(WM_AFXFIRST),
+ ENTRY(WM_AFXLAST),
+ ENTRY(WM_PENWINFIRST),
+ ENTRY(WM_PENWINLAST),
+ ENTRY(WM_APP),
+ ENTRY(WM_DWMCOMPOSITIONCHANGED),
+ ENTRY(WM_DWMNCRENDERINGCHANGED),
+ ENTRY(WM_DWMCOLORIZATIONCOLORCHANGED),
+ ENTRY(WM_DWMWINDOWMAXIMIZEDCHANGE),
+ ENTRY(WM_DWMSENDICONICTHUMBNAIL),
+ ENTRY(WM_DWMSENDICONICLIVEPREVIEWBITMAP),
+ ENTRY(WM_TABLET_QUERYSYSTEMGESTURESTATUS),
+ ENTRY(WM_GESTURE),
+ ENTRY(WM_GESTURENOTIFY),
+ ENTRY(WM_GETTITLEBARINFOEX),
+ {nullptr, 0x0}
+};
+#undef ENTRY
+
+#ifdef MOZ_PLACES
+NS_IMPL_ISUPPORTS(myDownloadObserver, nsIDownloadObserver)
+NS_IMPL_ISUPPORTS(AsyncFaviconDataReady, nsIFaviconDataCallback)
+#endif
+NS_IMPL_ISUPPORTS(AsyncEncodeAndWriteIcon, nsIRunnable)
+NS_IMPL_ISUPPORTS(AsyncDeleteIconFromDisk, nsIRunnable)
+NS_IMPL_ISUPPORTS(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 wchar_t kShellLibraryName[] = L"shell32.dll";
+static HMODULE sShellDll = nullptr;
+static const wchar_t 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;
+WinUtils::DwmFlushProc WinUtils::dwmFlushProcPtr = nullptr;
+
+// Prefix for path used by NT calls.
+const wchar_t kNTPrefix[] = L"\\??\\";
+const size_t kNTPrefixLen = ArrayLength(kNTPrefix) - 1;
+
+struct CoTaskMemFreePolicy
+{
+ void operator()(void* aPtr) {
+ ::CoTaskMemFree(aPtr);
+ }
+};
+
+SetThreadDpiAwarenessContextProc WinUtils::sSetThreadDpiAwarenessContext = NULL;
+EnableNonClientDpiScalingProc WinUtils::sEnableNonClientDpiScaling = NULL;
+#ifdef ACCESSIBILITY
+typedef NTSTATUS (NTAPI* NtTestAlertPtr)(VOID);
+static NtTestAlertPtr sNtTestAlert = nullptr;
+#endif
+
+
+/* static */
+void
+WinUtils::Initialize()
+{
+ if (!sDwmDll && IsVistaOrLater()) {
+ 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");
+ dwmFlushProcPtr = (DwmFlushProc)::GetProcAddress(sDwmDll, "DwmFlush");
+ }
+ }
+
+ if (IsWin10OrLater()) {
+ HMODULE user32Dll = ::GetModuleHandleW(L"user32");
+ if (user32Dll) {
+ sEnableNonClientDpiScaling = (EnableNonClientDpiScalingProc)
+ ::GetProcAddress(user32Dll, "EnableNonClientDpiScaling");
+ sSetThreadDpiAwarenessContext = (SetThreadDpiAwarenessContextProc)
+ ::GetProcAddress(user32Dll, "SetThreadDpiAwarenessContext");
+ }
+ }
+
+#ifdef ACCESSIBILITY
+ sNtTestAlert = reinterpret_cast<NtTestAlertPtr>(
+ ::GetProcAddress(::GetModuleHandleW(L"ntdll.dll"), "NtTestAlert"));
+ MOZ_ASSERT(sNtTestAlert);
+#endif
+}
+
+// static
+LRESULT WINAPI
+WinUtils::NonClientDpiScalingDefWindowProcW(HWND hWnd, UINT msg,
+ WPARAM wParam, LPARAM lParam)
+{
+ if (msg == WM_NCCREATE && sEnableNonClientDpiScaling) {
+ sEnableNonClientDpiScaling(hWnd);
+ }
+ return ::DefWindowProcW(hWnd, msg, wParam, lParam);
+}
+
+// static
+void
+WinUtils::LogW(const wchar_t *fmt, ...)
+{
+ va_list args = nullptr;
+ if(!lstrlenW(fmt)) {
+ return;
+ }
+ va_start(args, fmt);
+ int buflen = _vscwprintf(fmt, args);
+ wchar_t* buffer = new wchar_t[buflen+1];
+ if (!buffer) {
+ va_end(args);
+ return;
+ }
+ vswprintf(buffer, buflen, fmt, args);
+ va_end(args);
+
+ // MSVC, including remote debug sessions
+ OutputDebugStringW(buffer);
+ OutputDebugStringW(L"\n");
+
+ int len = WideCharToMultiByte(CP_ACP, 0, buffer, -1, nullptr, 0, nullptr, nullptr);
+ if (len) {
+ char* utf8 = new char[len];
+ if (WideCharToMultiByte(CP_ACP, 0, buffer,
+ -1, utf8, len, nullptr,
+ nullptr) > 0) {
+ // desktop console
+ printf("%s\n", utf8);
+ NS_ASSERTION(gWindowsLog, "Called WinUtils Log() but Widget "
+ "log module doesn't exist!");
+ MOZ_LOG(gWindowsLog, LogLevel::Error, (utf8));
+ }
+ delete[] utf8;
+ }
+ delete[] buffer;
+}
+
+// static
+void
+WinUtils::Log(const char *fmt, ...)
+{
+ va_list args = nullptr;
+ if(!strlen(fmt)) {
+ return;
+ }
+ va_start(args, fmt);
+ int buflen = _vscprintf(fmt, args);
+ char* buffer = new char[buflen+1];
+ if (!buffer) {
+ va_end(args);
+ return;
+ }
+ vsprintf(buffer, fmt, args);
+ va_end(args);
+
+ // MSVC, including remote debug sessions
+ OutputDebugStringA(buffer);
+ OutputDebugStringW(L"\n");
+
+ // desktop console
+ printf("%s\n", buffer);
+
+ NS_ASSERTION(gWindowsLog, "Called WinUtils Log() but Widget "
+ "log module doesn't exist!");
+ MOZ_LOG(gWindowsLog, LogLevel::Error, (buffer));
+ delete[] buffer;
+}
+
+// static
+double
+WinUtils::SystemScaleFactor()
+{
+ // The result of GetDeviceCaps won't change dynamically, as it predates
+ // per-monitor DPI and support for on-the-fly resolution changes.
+ // Therefore, we only need to look it up once.
+ static double systemScale = 0;
+ if (systemScale == 0) {
+ HDC screenDC = GetDC(nullptr);
+ systemScale = GetDeviceCaps(screenDC, LOGPIXELSY) / 96.0;
+ ReleaseDC(nullptr, screenDC);
+
+ if (systemScale == 0) {
+ // Bug 1012487 - This can occur when the Screen DC is used off the
+ // main thread on windows. For now just assume a 100% DPI for this
+ // drawing call.
+ // XXX - fixme!
+ return 1.0;
+ }
+ }
+ return systemScale;
+}
+
+#ifndef WM_DPICHANGED
+typedef enum {
+ MDT_EFFECTIVE_DPI = 0,
+ MDT_ANGULAR_DPI = 1,
+ MDT_RAW_DPI = 2,
+ MDT_DEFAULT = MDT_EFFECTIVE_DPI
+} MONITOR_DPI_TYPE;
+
+typedef enum {
+ PROCESS_DPI_UNAWARE = 0,
+ PROCESS_SYSTEM_DPI_AWARE = 1,
+ PROCESS_PER_MONITOR_DPI_AWARE = 2
+} PROCESS_DPI_AWARENESS;
+#endif
+
+typedef HRESULT
+(WINAPI *GETDPIFORMONITORPROC)(HMONITOR, MONITOR_DPI_TYPE, UINT*, UINT*);
+
+typedef HRESULT
+(WINAPI *GETPROCESSDPIAWARENESSPROC)(HANDLE, PROCESS_DPI_AWARENESS*);
+
+GETDPIFORMONITORPROC sGetDpiForMonitor;
+GETPROCESSDPIAWARENESSPROC sGetProcessDpiAwareness;
+
+static bool
+SlowIsPerMonitorDPIAware()
+{
+ if (IsVistaOrLater()) {
+ // Intentionally leak the handle.
+ HMODULE shcore =
+ LoadLibraryEx(L"shcore", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
+ if (shcore) {
+ sGetDpiForMonitor =
+ (GETDPIFORMONITORPROC) GetProcAddress(shcore, "GetDpiForMonitor");
+ sGetProcessDpiAwareness =
+ (GETPROCESSDPIAWARENESSPROC) GetProcAddress(shcore, "GetProcessDpiAwareness");
+ }
+ }
+ PROCESS_DPI_AWARENESS dpiAwareness;
+ return sGetDpiForMonitor && sGetProcessDpiAwareness &&
+ SUCCEEDED(sGetProcessDpiAwareness(GetCurrentProcess(), &dpiAwareness)) &&
+ dpiAwareness == PROCESS_PER_MONITOR_DPI_AWARE;
+}
+
+/* static */ bool
+WinUtils::IsPerMonitorDPIAware()
+{
+ static bool perMonitorDPIAware = SlowIsPerMonitorDPIAware();
+ return perMonitorDPIAware;
+}
+
+/* static */
+double
+WinUtils::LogToPhysFactor(HMONITOR aMonitor)
+{
+ if (IsPerMonitorDPIAware()) {
+ UINT dpiX, dpiY = 96;
+ sGetDpiForMonitor(aMonitor ? aMonitor : GetPrimaryMonitor(),
+ MDT_EFFECTIVE_DPI, &dpiX, &dpiY);
+ return dpiY / 96.0;
+ }
+
+ return SystemScaleFactor();
+}
+
+/* static */
+int32_t
+WinUtils::LogToPhys(HMONITOR aMonitor, double aValue)
+{
+ return int32_t(NS_round(aValue * LogToPhysFactor(aMonitor)));
+}
+
+/* static */
+HMONITOR
+WinUtils::GetPrimaryMonitor()
+{
+ const POINT pt = { 0, 0 };
+ return ::MonitorFromPoint(pt, MONITOR_DEFAULTTOPRIMARY);
+}
+
+/* static */
+HMONITOR
+WinUtils::MonitorFromRect(const gfx::Rect& rect)
+{
+ // convert coordinates from desktop to device pixels for MonitorFromRect
+ double dpiScale =
+ IsPerMonitorDPIAware() ? 1.0 : LogToPhysFactor(GetPrimaryMonitor());
+
+ RECT globalWindowBounds = {
+ NSToIntRound(dpiScale * rect.x),
+ NSToIntRound(dpiScale * rect.y),
+ NSToIntRound(dpiScale * (rect.x + rect.width)),
+ NSToIntRound(dpiScale * (rect.y + rect.height))
+ };
+
+ return ::MonitorFromRect(&globalWindowBounds, MONITOR_DEFAULTTONEAREST);
+}
+
+#ifdef ACCESSIBILITY
+#ifndef STATUS_SUCCESS
+#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
+#endif
+
+static Atomic<bool> sAPCPending;
+
+/* static */
+void
+WinUtils::SetAPCPending()
+{
+ sAPCPending = true;
+}
+#endif // ACCESSIBILITY
+
+/* static */
+bool
+WinUtils::PeekMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage,
+ UINT aLastMessage, UINT aOption)
+{
+#ifdef ACCESSIBILITY
+ if (NS_IsMainThread() && sAPCPending.exchange(false)) {
+ while (sNtTestAlert() != STATUS_SUCCESS) ;
+ }
+#endif
+#ifdef NS_ENABLE_TSF
+ RefPtr<ITfMessagePump> msgPump = TSFTextStore::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
+ RefPtr<ITfMessagePump> msgPump = TSFTextStore::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);
+}
+
+#if defined(ACCESSIBILITY)
+static DWORD
+GetWaitFlags()
+{
+ DWORD result = MWMO_INPUTAVAILABLE;
+ if (IsVistaOrLater() && XRE_IsContentProcess()) {
+ result |= MWMO_ALERTABLE;
+ }
+ return result;
+}
+#endif
+
+/* static */
+void
+WinUtils::WaitForMessage(DWORD aTimeoutMs)
+{
+#if defined(ACCESSIBILITY)
+ static const DWORD waitFlags = GetWaitFlags();
+#else
+ const DWORD waitFlags = MWMO_INPUTAVAILABLE;
+#endif
+
+ const DWORD waitStart = ::GetTickCount();
+ DWORD elapsed = 0;
+ while (true) {
+ if (aTimeoutMs != INFINITE) {
+ elapsed = ::GetTickCount() - waitStart;
+ }
+ if (elapsed >= aTimeoutMs) {
+ break;
+ }
+ DWORD result = ::MsgWaitForMultipleObjectsEx(0, NULL, aTimeoutMs - elapsed,
+ MOZ_QS_ALLEVENT, waitFlags);
+ NS_WARNING_ASSERTION(result != WAIT_FAILED, "Wait failed");
+ if (result == WAIT_TIMEOUT) {
+ break;
+ }
+#if defined(ACCESSIBILITY)
+ if (result == WAIT_IO_COMPLETION) {
+ if (NS_IsMainThread()) {
+ if (sAPCPending.exchange(false)) {
+ // Clear out any pending APCs
+ while (sNtTestAlert() != STATUS_SUCCESS) ;
+ }
+ // We executed an APC that would have woken up the hang monitor. Since
+ // there are no more APCs pending and we are now going to sleep again,
+ // we should notify the hang monitor.
+ mozilla::HangMonitor::Suspend();
+ }
+ continue;
+ }
+#endif // defined(ACCESSIBILITY)
+
+ // Sent messages (via SendMessage and friends) are processed differently
+ // than queued messages (via PostMessage); the destination window procedure
+ // of the sent message is called during (Get|Peek)Message. Since PeekMessage
+ // does not tell us whether it processed any sent messages, we need to query
+ // this ahead of time.
+ bool haveSentMessagesPending =
+ (HIWORD(::GetQueueStatus(QS_SENDMESSAGE)) & QS_SENDMESSAGE) != 0;
+
+ MSG msg = {0};
+ if (haveSentMessagesPending ||
+ ::PeekMessageW(&msg, nullptr, 0, 0, PM_NOREMOVE)) {
+ break;
+ }
+ // The message is intended for another thread that has been synchronized
+ // with our input queue; yield to give other threads an opportunity to
+ // process the message. This should prevent busy waiting if resumed due
+ // to another thread's message.
+ ::SwitchToThread();
+ }
+}
+
+/* static */
+bool
+WinUtils::GetRegistryKey(HKEY aRoot,
+ char16ptr_t aKeyName,
+ char16ptr_t aValueName,
+ wchar_t* 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 && type != REG_EXPAND_SZ)) {
+ return false;
+ }
+ if (aBuffer) {
+ aBuffer[aBufferLength / sizeof(*aBuffer) - 1] = 0;
+ }
+ return true;
+}
+
+/* static */
+bool
+WinUtils::HasRegistryKey(HKEY aRoot, char16ptr_t 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 const wchar_t*
+GetNSWindowPropName()
+{
+ static wchar_t sPropName[40] = L"";
+ if (!*sPropName) {
+ _snwprintf(sPropName, 39, L"MozillansIWidgetPtr%u",
+ ::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<nsWindowBase*>(::GetPropW(aWnd, GetNSWindowPropName()));
+}
+
+/* static */
+nsWindow*
+WinUtils::GetNSWindowPtr(HWND aWnd)
+{
+ return static_cast<nsWindow*>(::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<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 */
+uint16_t
+WinUtils::GetMousePointerID()
+{
+ LPARAM lParamExtraInfo = ::GetMessageExtraInfo();
+ return lParamExtraInfo & TABLET_INK_ID_MASK;
+}
+
+/* static */
+bool
+WinUtils::GetIsMouseFromTouch(EventMessage aEventMessage)
+{
+ const uint32_t MOZ_T_I_SIGNATURE = TABLET_INK_TOUCH | TABLET_INK_SIGNATURE;
+ const uint32_t MOZ_T_I_CHECK_TCH = TABLET_INK_TOUCH | TABLET_INK_CHECK;
+ return ((aEventMessage == eMouseMove || aEventMessage == eMouseDown ||
+ aEventMessage == eMouseUp || aEventMessage == eMouseDoubleClick) &&
+ (GetMessageExtraInfo() & MOZ_T_I_SIGNATURE) == MOZ_T_I_CHECK_TCH);
+}
+
+/* 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);
+}
+
+static BOOL
+WINAPI EnumFirstChild(HWND hwnd, LPARAM lParam)
+{
+ *((HWND*)lParam) = hwnd;
+ return FALSE;
+}
+
+/* static */
+void
+WinUtils::InvalidatePluginAsWorkaround(nsIWidget* aWidget,
+ const LayoutDeviceIntRect& aRect)
+{
+ aWidget->Invalidate(aRect);
+
+ // XXX - Even more evil workaround!! See bug 762948, flash's bottom
+ // level sandboxed window doesn't seem to get our invalidate. We send
+ // an invalidate to it manually. This is totally specialized for this
+ // bug, for other child window structures this will just be a more or
+ // less bogus invalidate but since that should not have any bad
+ // side-effects this will have to do for now.
+ HWND current = (HWND)aWidget->GetNativeData(NS_NATIVE_WINDOW);
+
+ RECT windowRect;
+ RECT parentRect;
+
+ ::GetWindowRect(current, &parentRect);
+
+ HWND next = current;
+ do {
+ current = next;
+ ::EnumChildWindows(current, &EnumFirstChild, (LPARAM)&next);
+ ::GetWindowRect(next, &windowRect);
+ // This is relative to the screen, adjust it to be relative to the
+ // window we're reconfiguring.
+ windowRect.left -= parentRect.left;
+ windowRect.top -= parentRect.top;
+ } while (next != current && windowRect.top == 0 && windowRect.left == 0);
+
+ if (windowRect.top == 0 && windowRect.left == 0) {
+ RECT rect;
+ rect.left = aRect.x;
+ rect.top = aRect.y;
+ rect.right = aRect.XMost();
+ rect.bottom = aRect.YMost();
+
+ ::InvalidateRect(next, &rect, FALSE);
+ }
+}
+
+#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,
+ nsContentUtils::GetSystemPrincipal(),
+ nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL,
+ nsIContentPolicy::TYPE_INTERNAL_IMAGE);
+
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIDownloadObserver> downloadObserver = new myDownloadObserver;
+ nsCOMPtr<nsIStreamListener> listener;
+ rv = NS_NewDownloader(getter_AddRefs(listener), downloadObserver, icoFile);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return channel->AsyncOpen2(listener);
+}
+
+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)
+ 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);
+
+ RefPtr<SourceSurface> surface =
+ container->GetFrame(imgIContainer::FRAME_FIRST,
+ imgIContainer::FLAG_SYNC_DECODE |
+ imgIContainer::FLAG_ASYNC_NOTIFY);
+ NS_ENSURE_TRUE(surface, NS_ERROR_FAILURE);
+
+ RefPtr<DataSourceSurface> dataSurface;
+ IntSize size;
+
+ if (mURLShortcut) {
+ // Create a 48x48 surface and paint the icon into the central 16x16 rect.
+ size.width = 48;
+ size.height = 48;
+ dataSurface =
+ Factory::CreateDataSourceSurface(size, SurfaceFormat::B8G8R8A8);
+ NS_ENSURE_TRUE(dataSurface, NS_ERROR_FAILURE);
+
+ DataSourceSurface::MappedSurface map;
+ if (!dataSurface->Map(DataSourceSurface::MapType::WRITE, &map)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ RefPtr<DrawTarget> dt =
+ Factory::CreateDrawTargetForData(BackendType::CAIRO,
+ map.mData,
+ dataSurface->GetSize(),
+ map.mStride,
+ dataSurface->GetFormat());
+ if (!dt) {
+ gfxWarning() << "AsyncFaviconDataReady::OnComplete failed in CreateDrawTargetForData";
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ dt->FillRect(Rect(0, 0, size.width, size.height),
+ ColorPattern(Color(1.0f, 1.0f, 1.0f, 1.0f)));
+ dt->DrawSurface(surface,
+ Rect(16, 16, 16, 16),
+ Rect(Point(0, 0),
+ Size(surface->GetSize().width, surface->GetSize().height)));
+
+ dataSurface->Unmap();
+ } else {
+ // By using the input image surface's size, we may end up encoding
+ // to a different size than a 16x16 (or bigger for higher DPI) ICO, but
+ // Windows will resize appropriately for us. If we want to encode ourselves
+ // one day because we like our resizing better, we'd have to manually
+ // resize the image here and use GetSystemMetrics w/ SM_CXSMICON and
+ // SM_CYSMICON. We don't support resizing images asynchronously at the
+ // moment anyway so getting the DPI aware icon size won't help.
+ size.width = surface->GetSize().width;
+ size.height = surface->GetSize().height;
+ dataSurface = surface->GetDataSurface();
+ NS_ENSURE_TRUE(dataSurface, NS_ERROR_FAILURE);
+ }
+
+ // Allocate a new buffer that we own and can use out of line in
+ // another thread.
+ UniquePtr<uint8_t[]> data = SurfaceToPackedBGRA(dataSurface);
+ if (!data) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ int32_t stride = 4 * size.width;
+
+ // AsyncEncodeAndWriteIcon takes ownership of the heap allocated buffer
+ nsCOMPtr<nsIRunnable> event = new AsyncEncodeAndWriteIcon(path, Move(data),
+ 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,
+ UniquePtr<uint8_t[]> aBuffer,
+ uint32_t aStride,
+ uint32_t aWidth,
+ uint32_t aHeight,
+ const bool aURLShortcut) :
+ mURLShortcut(aURLShortcut),
+ mIconPath(aIconPath),
+ mBuffer(Move(aBuffer)),
+ mStride(aStride),
+ mWidth(aWidth),
+ mHeight(aHeight)
+{
+}
+
+NS_IMETHODIMP AsyncEncodeAndWriteIcon::Run()
+{
+ NS_PRECONDITION(!NS_IsMainThread(), "Should not be called on the main thread.");
+
+ // Note that since we're off the main thread we can't use
+ // gfxPlatform::GetPlatform()->ScreenReferenceDrawTarget()
+ RefPtr<DataSourceSurface> surface =
+ Factory::CreateWrappingDataSourceSurface(mBuffer.get(), mStride,
+ IntSize(mWidth, mHeight),
+ SurfaceFormat::B8G8R8A8);
+
+ FILE* file = fopen(NS_ConvertUTF16toUTF8(mIconPath).get(), "wb");
+ if (!file) {
+ // Maybe the directory doesn't exist; try creating it, then fopen again.
+ nsresult rv = NS_ERROR_FAILURE;
+ nsCOMPtr<nsIFile> comFile = do_CreateInstance("@mozilla.org/file/local;1");
+ if (comFile) {
+ //NS_ConvertUTF8toUTF16 utf16path(mIconPath);
+ rv = comFile->InitWithPath(mIconPath);
+ if (NS_SUCCEEDED(rv)) {
+ nsCOMPtr<nsIFile> dirPath;
+ comFile->GetParent(getter_AddRefs(dirPath));
+ if (dirPath) {
+ rv = dirPath->Create(nsIFile::DIRECTORY_TYPE, 0777);
+ if (NS_SUCCEEDED(rv) || rv == NS_ERROR_FILE_ALREADY_EXISTS) {
+ file = fopen(NS_ConvertUTF16toUTF8(mIconPath).get(), "wb");
+ if (!file) {
+ rv = NS_ERROR_FAILURE;
+ }
+ }
+ }
+ }
+ }
+ if (!file) {
+ return rv;
+ }
+ }
+ nsresult rv =
+ gfxUtils::EncodeSourceSurface(surface,
+ NS_LITERAL_CSTRING("image/vnd.microsoft.icon"),
+ EmptyString(),
+ gfxUtils::eBinaryEncode,
+ file);
+ fclose(file);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (mURLShortcut) {
+ SendNotifyMessage(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(bool aIgnoreRecent)
+ : mIgnoreRecent(aIgnoreRecent)
+{
+ // We can't call FaviconHelper::GetICOCacheSecondsTimeout() on non-main
+ // threads, as it reads a pref, so cache its value here.
+ mIcoNoDeleteSeconds = FaviconHelper::GetICOCacheSecondsTimeout() + 600;
+}
+
+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;
+
+ if (mIgnoreRecent) {
+ // Check to make sure the icon wasn't just recently created.
+ // If it was created recently, don't delete it yet.
+ int64_t fileModTime = 0;
+ rv = currFile->GetLastModifiedTime(&fileModTime);
+ fileModTime /= PR_MSEC_PER_SEC;
+ // If the icon is older than the regeneration time (+ 10 min to be
+ // safe), then it's old and we can get rid of it.
+ // This code is only hit directly after a regeneration.
+ int64_t nowTime = PR_Now() / int64_t(PR_USEC_PER_SEC);
+ if (NS_FAILED(rv) ||
+ (nowTime - fileModTime) < mIcoNoDeleteSeconds) {
+ 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);
+
+ // Append the icon extension
+ inputURIHash.AppendLiteral(".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);
+ AutoTArray<uint8_t,100> buffer;
+ buffer.SetLength(size);
+
+ 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()
+{
+ return false;
+}
+
+// This is in use here and in dom/events/TouchEvent.cpp
+/* static */
+uint32_t
+WinUtils::IsTouchDeviceSupportPresent()
+{
+ int32_t touchCapabilities = ::GetSystemMetrics(SM_DIGITIZER);
+ return (touchCapabilities & NID_READY) &&
+ (touchCapabilities & (NID_EXTERNAL_TOUCH | NID_INTEGRATED_TOUCH));
+}
+
+/* static */
+uint32_t
+WinUtils::GetMaxTouchPoints()
+{
+ if (IsWin7OrLater() && IsTouchDeviceSupportPresent()) {
+ return GetSystemMetrics(SM_MAXIMUMTOUCHES);
+ }
+ return 0;
+}
+
+typedef DWORD (WINAPI * GetFinalPathNameByHandlePtr)(HANDLE hFile,
+ LPTSTR lpszFilePath,
+ DWORD cchFilePath,
+ DWORD dwFlags);
+
+/* static */
+bool
+WinUtils::ResolveJunctionPointsAndSymLinks(std::wstring& aPath)
+{
+ // Users folder was introduced with Vista.
+ if (!IsVistaOrLater()) {
+ return true;
+ }
+
+ wchar_t path[MAX_PATH] = { 0 };
+
+ nsAutoHandle handle(
+ ::CreateFileW(aPath.c_str(),
+ 0,
+ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+ nullptr,
+ OPEN_EXISTING,
+ FILE_FLAG_BACKUP_SEMANTICS,
+ nullptr));
+
+ if (handle == INVALID_HANDLE_VALUE) {
+ return false;
+ }
+
+ // GetFinalPathNameByHandleW is a Vista and later API. Since ESR builds with
+ // XP support still, we need to load the function manually.
+ GetFinalPathNameByHandlePtr getFinalPathNameFnPtr = nullptr;
+ HMODULE kernel32Dll = ::GetModuleHandleW(L"Kernel32");
+ if (kernel32Dll) {
+ getFinalPathNameFnPtr = (GetFinalPathNameByHandlePtr)
+ ::GetProcAddress(kernel32Dll, "GetFinalPathNameByHandleW");
+ }
+
+ if (!getFinalPathNameFnPtr) {
+ return false;
+ }
+
+ DWORD pathLen = getFinalPathNameFnPtr(
+ handle, path, MAX_PATH, FILE_NAME_NORMALIZED | VOLUME_NAME_DOS);
+ if (pathLen == 0 || pathLen >= MAX_PATH) {
+ return false;
+ }
+ aPath = path;
+
+ // GetFinalPathNameByHandle sticks a '\\?\' in front of the path,
+ // but that confuses some APIs so strip it off. It will also put
+ // '\\?\UNC\' in front of network paths, we convert that to '\\'.
+ if (aPath.compare(0, 7, L"\\\\?\\UNC") == 0) {
+ aPath.erase(2, 6);
+ } else if (aPath.compare(0, 4, L"\\\\?\\") == 0) {
+ aPath.erase(0, 4);
+ }
+
+ return true;
+}
+
+/* static */
+bool
+WinUtils::SanitizePath(const wchar_t* aInputPath, nsAString& aOutput)
+{
+ aOutput.Truncate();
+ wchar_t buffer[MAX_PATH + 1] = {0};
+ if (!PathCanonicalizeW(buffer, aInputPath)) {
+ return false;
+ }
+ wchar_t longBuffer[MAX_PATH + 1] = {0};
+ DWORD longResult = GetLongPathNameW(buffer, longBuffer, MAX_PATH);
+ if (longResult == 0 || longResult > MAX_PATH - 1) {
+ return false;
+ }
+ aOutput.SetLength(MAX_PATH + 1);
+ wchar_t* output = reinterpret_cast<wchar_t*>(aOutput.BeginWriting());
+ if (!PathUnExpandEnvStringsW(longBuffer, output, MAX_PATH)) {
+ return false;
+ }
+ // Truncate to correct length
+ aOutput.Truncate(wcslen(char16ptr_t(aOutput.BeginReading())));
+ MOZ_ASSERT(aOutput.Length() <= MAX_PATH);
+ return true;
+}
+
+/**
+ * This function provides an array of (system path, substitution) pairs that are
+ * considered to be acceptable with respect to privacy, for the purposes of
+ * submitting within telemetry or crash reports.
+ *
+ * The substitution string's void flag may be set. If it is, no subsitution is
+ * necessary. Otherwise, the consumer should replace the system path with the
+ * substitution.
+ *
+ * @see GetAppInitDLLs for an example of its usage.
+ */
+/* static */
+void
+WinUtils::GetWhitelistedPaths(
+ nsTArray<mozilla::Pair<nsString,nsDependentString>>& aOutput)
+{
+ aOutput.Clear();
+ aOutput.AppendElement(mozilla::MakePair(
+ nsString(NS_LITERAL_STRING("%ProgramFiles%")),
+ nsDependentString()));
+ // When no substitution is required, set the void flag
+ aOutput.LastElement().second().SetIsVoid(true);
+ wchar_t tmpPath[MAX_PATH + 1] = {0};
+ if (GetTempPath(MAX_PATH, tmpPath)) {
+ // GetTempPath's result always ends with a backslash, which we don't want
+ uint32_t tmpPathLen = wcslen(tmpPath);
+ if (tmpPathLen) {
+ tmpPath[tmpPathLen - 1] = 0;
+ }
+ nsAutoString cleanTmpPath;
+ if (SanitizePath(tmpPath, cleanTmpPath)) {
+ aOutput.AppendElement(mozilla::MakePair(nsString(cleanTmpPath),
+ nsDependentString(L"%TEMP%")));
+ }
+ }
+}
+
+/**
+ * This function is located here (as opposed to nsSystemInfo or elsewhere)
+ * because we need to gather this information as early as possible during
+ * startup.
+ */
+/* static */
+bool
+WinUtils::GetAppInitDLLs(nsAString& aOutput)
+{
+ aOutput.Truncate();
+ HKEY hkey = NULL;
+ if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
+ L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows",
+ 0, KEY_QUERY_VALUE, &hkey)) {
+ return false;
+ }
+ nsAutoRegKey key(hkey);
+ LONG status;
+ if (IsVistaOrLater()) {
+ const wchar_t kLoadAppInitDLLs[] = L"LoadAppInit_DLLs";
+ DWORD loadAppInitDLLs = 0;
+ DWORD loadAppInitDLLsLen = sizeof(loadAppInitDLLs);
+ status = RegQueryValueExW(hkey, kLoadAppInitDLLs, nullptr,
+ nullptr, (LPBYTE)&loadAppInitDLLs,
+ &loadAppInitDLLsLen);
+ if (status != ERROR_SUCCESS) {
+ return false;
+ }
+ if (!loadAppInitDLLs) {
+ // If loadAppInitDLLs is zero then AppInit_DLLs is disabled.
+ // In this case we'll return true along with an empty output string.
+ return true;
+ }
+ }
+ DWORD numBytes = 0;
+ const wchar_t kAppInitDLLs[] = L"AppInit_DLLs";
+ // Query for required buffer size
+ status = RegQueryValueExW(hkey, kAppInitDLLs, nullptr, nullptr, nullptr,
+ &numBytes);
+ if (status != ERROR_SUCCESS) {
+ return false;
+ }
+ // Allocate the buffer and query for the actual data
+ mozilla::UniquePtr<wchar_t[]> data =
+ mozilla::MakeUnique<wchar_t[]>(numBytes / sizeof(wchar_t));
+ status = RegQueryValueExW(hkey, kAppInitDLLs, nullptr,
+ nullptr, (LPBYTE)data.get(), &numBytes);
+ if (status != ERROR_SUCCESS) {
+ return false;
+ }
+ nsTArray<mozilla::Pair<nsString,nsDependentString>> whitelistedPaths;
+ GetWhitelistedPaths(whitelistedPaths);
+ // For each token, split up the filename components and then check the
+ // name of the file.
+ const wchar_t kDelimiters[] = L", ";
+ wchar_t* tokenContext = nullptr;
+ wchar_t* token = wcstok_s(data.get(), kDelimiters, &tokenContext);
+ while (token) {
+ nsAutoString cleanPath;
+ // Since these paths are short paths originating from the registry, we need
+ // to canonicalize them, lengthen them, and sanitize them before we can
+ // check them against the whitelist
+ if (SanitizePath(token, cleanPath)) {
+ bool needsStrip = true;
+ for (uint32_t i = 0; i < whitelistedPaths.Length(); ++i) {
+ const nsString& testPath = whitelistedPaths[i].first();
+ const nsDependentString& substitution = whitelistedPaths[i].second();
+ if (StringBeginsWith(cleanPath, testPath,
+ nsCaseInsensitiveStringComparator())) {
+ if (!substitution.IsVoid()) {
+ cleanPath.Replace(0, testPath.Length(), substitution);
+ }
+ // Whitelisted paths may be used as-is provided that they have been
+ // previously sanitized.
+ needsStrip = false;
+ break;
+ }
+ }
+ if (!aOutput.IsEmpty()) {
+ aOutput += L";";
+ }
+ // For non-whitelisted paths, we strip the path component and just leave
+ // the filename.
+ if (needsStrip) {
+ // nsLocalFile doesn't like non-absolute paths. Since these paths might
+ // contain environment variables instead of roots, we can't use it.
+ wchar_t tmpPath[MAX_PATH + 1] = {0};
+ wcsncpy(tmpPath, cleanPath.get(), cleanPath.Length());
+ PathStripPath(tmpPath);
+ aOutput += tmpPath;
+ } else {
+ aOutput += cleanPath;
+ }
+ }
+ token = wcstok_s(nullptr, kDelimiters, &tokenContext);
+ }
+ return true;
+}
+
+} // namespace widget
+} // namespace mozilla