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cd079d2bf9
gecko-dev/widget/windows/WinUtils.cpp
Wes Kocher cd079d2bf9 Backed out 7 changesets (bug 1048048) for android crashes in various chunks CLOSED TREE 
Backed out changeset b5abe23a4ea5 (bug 1048048)
Backed out changeset 4f91b10e8be0 (bug 1048048)
Backed out changeset 450d4a13c90e (bug 1048048)
Backed out changeset 6a727c40eb68 (bug 1048048)
Backed out changeset 88c2333ff745 (bug 1048048)
Backed out changeset 740ab1ecd079 (bug 1048048)
Backed out changeset 02c6d6aef163 (bug 1048048)
2015-09-21 09:08:34 -07:00

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/* -*- 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 "gfxPlatform.h"
#include "gfxUtils.h"
#include "nsWindow.h"
#include "nsWindowDefs.h"
#include "KeyboardLayout.h"
#include "nsIDOMMouseEvent.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/DataSurfaceHelpers.h"
#include "mozilla/Preferences.h"
#include "mozilla/RefPtr.h"
#include "mozilla/WindowsVersion.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 "gfxColor.h"
#include "nsLookAndFeel.h"
#ifdef NS_ENABLE_TSF
#include <textstor.h>
#include "TSFTextStore.h"
#endif // #ifdef NS_ENABLE_TSF
PRLogModuleInfo* gWindowsLog = nullptr;
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;
/* static */
void
WinUtils::Initialize()
{
if (!gWindowsLog) {
gWindowsLog = PR_NewLogModule("Widget");
}
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");
}
}
}
// 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::LogToPhysFactor()
{
// dpi / 96.0
HDC hdc = ::GetDC(nullptr);
double result = ::GetDeviceCaps(hdc, LOGPIXELSY) / 96.0;
::ReleaseDC(nullptr, hdc);
if (result == 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!
result = 1.0;
}
return result;
}
/* static */
double
WinUtils::PhysToLogFactor()
{
// 1.0 / (dpi / 96.0)
return 1.0 / LogToPhysFactor();
}
/* static */
double
WinUtils::PhysToLog(int32_t aValue)
{
return double(aValue) * PhysToLogFactor();
}
/* static */
int32_t
WinUtils::LogToPhys(double aValue)
{
return int32_t(NS_round(aValue * LogToPhysFactor()));
}
/* static */
bool
WinUtils::PeekMessage(LPMSG aMsg, HWND aWnd, UINT aFirstMessage,
UINT aLastMessage, UINT aOption)
{
#ifdef NS_ENABLE_TSF
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
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);
}
/* static */
void
WinUtils::WaitForMessage(DWORD aTimeoutMs)
{
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,
MWMO_INPUTAVAILABLE);
NS_WARN_IF_FALSE(result != WAIT_FAILED, "Wait failed");
if (result == WAIT_TIMEOUT) {
break;
}
// 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 */
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) &&
(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 nsIntRect &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_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.
uint8_t *data = SurfaceToPackedBGRA(dataSurface);
if (!data) {
return NS_ERROR_OUT_OF_MEMORY;
}
int32_t stride = 4 * size.width;
int32_t dataLength = stride * size.height;
// AsyncEncodeAndWriteIcon takes ownership of the heap allocated buffer
nsCOMPtr<nsIRunnable> event = new AsyncEncodeAndWriteIcon(path, data,
dataLength,
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.");
// Note that since we're off the main thread we can't use
// gfxPlatform::GetPlatform()->ScreenReferenceDrawTarget()
RefPtr<DataSourceSurface> surface =
Factory::CreateWrappingDataSourceSurface(mBuffer, 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);
// Cleanup
if (mURLShortcut) {
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETNONCLIENTMETRICS, 0);
}
return rv;
}
AsyncEncodeAndWriteIcon::~AsyncEncodeAndWriteIcon()
{
}
AsyncDeleteIconFromDisk::AsyncDeleteIconFromDisk(const nsAString &aIconPath)
: mIconPath(aIconPath)
{
}
NS_IMETHODIMP AsyncDeleteIconFromDisk::Run()
{
// Construct the parent path of the passed in path
nsCOMPtr<nsIFile> icoFile = do_CreateInstance("@mozilla.org/file/local;1");
NS_ENSURE_TRUE(icoFile, NS_ERROR_FAILURE);
nsresult rv = icoFile->InitWithPath(mIconPath);
NS_ENSURE_SUCCESS(rv, rv);
// Check if the cached ICO file exists
bool exists;
rv = icoFile->Exists(&exists);
NS_ENSURE_SUCCESS(rv, rv);
// Check that we aren't deleting some arbitrary file that is not an icon
if (StringTail(mIconPath, 4).LowerCaseEqualsASCII(".ico")) {
// Check if the cached ICO file exists
bool exists;
if (NS_FAILED(icoFile->Exists(&exists)) || !exists)
return NS_ERROR_FAILURE;
// We found an ICO file that exists, so we should remove it
icoFile->Remove(false);
}
return NS_OK;
}
AsyncDeleteIconFromDisk::~AsyncDeleteIconFromDisk()
{
}
AsyncDeleteAllFaviconsFromDisk::
AsyncDeleteAllFaviconsFromDisk(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);
nsAutoTArray<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;
}
} // namespace widget
} // namespace mozilla
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