Exemplo n.º 1
0
static void CALLBACK ReadDirectoryChangesNotification(DWORD errCode,
    DWORD bytesTransfered, LPOVERLAPPED overlapped)
{
    ScopedCritSec cs(&g_threadCritSec);

    OverlappedEx *over = (OverlappedEx*)overlapped;
    WatchedDir* wd = (WatchedDir*)over->data;

    lf(L"ReadDirectoryChangesNotification() dir: %s, numBytes: %d", wd->dirPath, (int)bytesTransfered);

    CrashIf(wd != wd->overlapped.data);

    if (errCode == ERROR_OPERATION_ABORTED) {
        lf("   ERROR_OPERATION_ABORTED");
        DeleteWatchedDir(wd);
        InterlockedDecrement(&gRemovalsPending);
        return;
    }

    // This might mean overflow? Not sure.
    if (!bytesTransfered)
        return;

    FILE_NOTIFY_INFORMATION *notify = (FILE_NOTIFY_INFORMATION*)wd->buf;

    // collect files that changed, removing duplicates
    WStrVec changedFiles;
    for (;;) {
        ScopedMem<WCHAR> fileName(str::DupN(notify->FileName, notify->FileNameLength / sizeof(WCHAR)));
        // files can get updated either by writing to them directly or
        // by writing to a .tmp file first and then moving that file in place
        // (the latter only yields a RENAMED action with the expected file name)
        if (notify->Action == FILE_ACTION_MODIFIED || notify->Action == FILE_ACTION_RENAMED_NEW_NAME) {
            if (!changedFiles.Contains(fileName)) {
                lf(L"ReadDirectoryChangesNotification() FILE_ACTION_MODIFIED, for '%s'", fileName);
                changedFiles.Append(fileName.StealData());
            } else {
                lf(L"ReadDirectoryChangesNotification() eliminating duplicate notification for '%s'", fileName);
            }
        } else {
            lf(L"ReadDirectoryChangesNotification() action=%d, for '%s'", (int)notify->Action, fileName);
        }

        // step to the next entry if there is one
        DWORD nextOff = notify->NextEntryOffset;
        if (!nextOff)
            break;
        notify = (FILE_NOTIFY_INFORMATION *)((char*)notify + nextOff);
    }

    StartMonitoringDirForChanges(wd);

    for (WCHAR **f = changedFiles.IterStart(); f; f = changedFiles.IterNext()) {
        NotifyAboutFile(wd, *f);
    }
}
Exemplo n.º 2
0
static void CALLBACK ReadDirectoryChangesNotification(DWORD errCode,
    DWORD bytesTransfered, LPOVERLAPPED overlapped)
{
    ScopedCritSec cs(&g_threadCritSec);

    OverlappedEx *over = (OverlappedEx*)overlapped;
    WatchedDir* wd = (WatchedDir*)over->data;

    lf(L"ReadDirectoryChangesNotification() dir: %s, numBytes: %d", wd->dirPath, (int)bytesTransfered);

    CrashIf(wd != wd->overlapped.data);

    if (errCode == ERROR_OPERATION_ABORTED) {
        lf("   ERROR_OPERATION_ABORTED");
        DeleteWatchedDir(wd);
        return;
    }

    // This might mean overflow? Not sure.
    if (!bytesTransfered)
        return;

    FILE_NOTIFY_INFORMATION *notify = (FILE_NOTIFY_INFORMATION*)wd->buf;

    // collect files that changed, removing duplicates
    WStrVec changedFiles;
    for (;;) {
        WCHAR *fileName = str::DupN(notify->FileName, notify->FileNameLength / sizeof(WCHAR));
        if (notify->Action == FILE_ACTION_MODIFIED) {
            if (!changedFiles.Contains(fileName)) {
                lf(L"ReadDirectoryChangesNotification() FILE_ACTION_MODIFIED, for '%s'", fileName);
                changedFiles.Append(fileName);
                fileName = NULL;
            } else {
                lf(L"ReadDirectoryChangesNotification() eliminating duplicate notification for '%s'", fileName);
            }
        } else {
            lf(L"ReadDirectoryChangesNotification() action=%d, for '%s'", (int)notify->Action, fileName);
        }
        free(fileName);

        // step to the next entry if there is one
        DWORD nextOff = notify->NextEntryOffset;
        if (!nextOff)
            break;
        notify = (FILE_NOTIFY_INFORMATION *)((char*)notify + nextOff);
    }

    StartMonitoringDirForChanges(wd);

    for (WCHAR **f = changedFiles.IterStart(); f; f = changedFiles.IterNext()) {
        NotifyAboutFile(wd, *f);
    }
}
Exemplo n.º 3
0
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    int retCode = 1;    // by default it's error

#ifdef DEBUG
    // Memory leak detection (only enable _CRTDBG_LEAK_CHECK_DF for
    // regular termination so that leaks aren't checked on exceptions,
    // aborts, etc. where some clean-up might not take place)
    _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF);
    //_CrtSetBreakAlloc(421);
    TryLoadMemTrace();
#endif

    DisableDataExecution();
    // ensure that C functions behave consistently under all OS locales
    // (use Win32 functions where localized input or output is desired)
    setlocale(LC_ALL, "C");
    // don't show system-provided dialog boxes when accessing files on drives
    // that are not mounted (e.g. a: drive without floppy or cd rom drive
    // without a cd).
    SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);

#if defined(DEBUG) || defined(SVN_PRE_RELEASE_VER)
    if (str::StartsWith(lpCmdLine, "/tester")) {
        extern int TesterMain(); // in Tester.cpp
        return TesterMain();
    }

    if (str::StartsWith(lpCmdLine, "/regress")) {
        extern int RegressMain(); // in Regress.cpp
        return RegressMain();
    }
#endif
#ifdef SUPPORTS_AUTO_UPDATE
    if (str::StartsWith(lpCmdLine, "-autoupdate")) {
        bool quit = AutoUpdateMain();
        if (quit)
            return 0;
    }
#endif

    srand((unsigned int)time(NULL));

    // load uiautomationcore.dll before installing crash handler (i.e. initializing
    // dbghelp.dll), so that we get function names/offsets in GetCallstack()
    uia::Initialize();
#ifdef DEBUG
    dbghelp::RememberCallstackLogs();
#endif

    SetupCrashHandler();

    ScopedOle ole;
    InitAllCommonControls();
    ScopedGdiPlus gdiPlus(true);
    mui::Initialize();
    uitask::Initialize();

    prefs::Load();

    CommandLineInfo i(GetCommandLine());

    SetCurrentLang(i.lang ? i.lang : gGlobalPrefs->uiLanguage);

    // This allows ad-hoc comparison of gdi, gdi+ and gdi+ quick when used
    // in layout
#if 0
    RedirectIOToConsole();
    BenchEbookLayout(L"C:\\kjk\\downloads\\pg12.mobi");
    system("pause");
    goto Exit;
#endif

    if (i.showConsole) {
        RedirectIOToConsole();
        RedirectDllIOToConsole();
    }
    if (i.makeDefault)
        AssociateExeWithPdfExtension();
    if (i.pathsToBenchmark.Count() > 0) {
        BenchFileOrDir(i.pathsToBenchmark);
        if (i.showConsole)
            system("pause");
    }
    if (i.exitImmediately)
        goto Exit;
    gCrashOnOpen = i.crashOnOpen;

    gPolicyRestrictions = GetPolicies(i.restrictedUse);
    GetFixedPageUiColors(gRenderCache.textColor, gRenderCache.backgroundColor);
    DebugGdiPlusDevice(gUseGdiRenderer);

    if (!RegisterWinClass())
        goto Exit;

    CrashIf(hInstance != GetModuleHandle(NULL));
    if (!InstanceInit(nCmdShow))
        goto Exit;

    if (i.hwndPluginParent) {
        if (!SetupPluginMode(i))
            goto Exit;
    }

    if (i.printerName) {
        // note: this prints all PDF files. Another option would be to
        // print only the first one
        for (size_t n = 0; n < i.fileNames.Count(); n++) {
            bool ok = PrintFile(i.fileNames.At(n), i.printerName, !i.silent, i.printSettings);
            if (!ok)
                retCode++;
        }
        --retCode; // was 1 if no print failures, turn 1 into 0
        goto Exit;
    }

    bool showStartPage = i.fileNames.Count() == 0 && gGlobalPrefs->rememberOpenedFiles && gGlobalPrefs->showStartPage;
    if (showStartPage) {
        // make the shell prepare the image list, so that it's ready when the first window's loaded
        SHFILEINFO sfi;
        SHGetFileInfo(L".pdf", 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_USEFILEATTRIBUTES);
    }

    if (gGlobalPrefs->reopenOnce) {
        WStrVec moreFileNames;
        ParseCmdLine(gGlobalPrefs->reopenOnce, moreFileNames);
        moreFileNames.Reverse();
        for (WCHAR **fileName = moreFileNames.IterStart(); fileName; fileName = moreFileNames.IterNext()) {
            i.fileNames.Append(*fileName);
        }
        moreFileNames.RemoveAt(0, moreFileNames.Count());
        str::ReplacePtr(&gGlobalPrefs->reopenOnce, NULL);
    }

    HANDLE hMutex = NULL;
    HWND hPrevWnd = NULL;
    if (i.printDialog || i.stressTestPath || gPluginMode) {
        // TODO: pass print request through to previous instance?
    }
    else if (i.reuseDdeInstance) {
        hPrevWnd = FindWindow(FRAME_CLASS_NAME, NULL);
    }
    else if (gGlobalPrefs->reuseInstance || gGlobalPrefs->useTabs) {
        hPrevWnd = FindPrevInstWindow(&hMutex);
    }
    if (hPrevWnd) {
        for (size_t n = 0; n < i.fileNames.Count(); n++) {
            OpenUsingDde(hPrevWnd, i.fileNames.At(n), i, 0 == n);
        }
        goto Exit;
    }

    WindowInfo *win = NULL;
    for (size_t n = 0; n < i.fileNames.Count(); n++) {
        win = LoadOnStartup(i.fileNames.At(n), i, !win);
        if (!win) {
            retCode++;
            continue;
        }
        if (i.printDialog)
            OnMenuPrint(win, i.exitWhenDone);
    }
    if (i.fileNames.Count() > 0 && !win) {
        // failed to create any window, even though there
        // were files to load (or show a failure message for)
        goto Exit;
    }
    if (i.printDialog && i.exitWhenDone)
        goto Exit;

    if (!win) {
        win = CreateAndShowWindowInfo();
        if (!win)
            goto Exit;
    }

    UpdateUITextForLanguage(); // needed for RTL languages
    if (win->IsAboutWindow()) {
        // TODO: shouldn't CreateAndShowWindowInfo take care of this?
        UpdateToolbarAndScrollbarState(*win);
    }

    // Make sure that we're still registered as default,
    // if the user has explicitly told us to be
    if (gGlobalPrefs->associatedExtensions)
        RegisterForPdfExtentions(win->hwndFrame);

    if (i.stressTestPath) {
        // don't save file history and preference changes
        gPolicyRestrictions = (gPolicyRestrictions | Perm_RestrictedUse) & ~Perm_SavePreferences;
        RebuildMenuBarForWindow(win);
        StartStressTest(&i, win, &gRenderCache);
    }

    if (gGlobalPrefs->checkForUpdates)
        UpdateCheckAsync(win, true);

    // only hide newly missing files when showing the start page on startup
    if (showStartPage && gFileHistory.Get(0)) {
        gFileExistenceChecker = new FileExistenceChecker();
        gFileExistenceChecker->Start();
    }
    // call this once it's clear whether Perm_SavePreferences has been granted
    prefs::RegisterForFileChanges();

    retCode = RunMessageLoop();

    SafeCloseHandle(&hMutex);
    CleanUpThumbnailCache(gFileHistory);

Exit:
    prefs::UnregisterForFileChanges();

    while (gWindows.Count() > 0) {
        DeleteWindowInfo(gWindows.At(0));
    }

#ifndef DEBUG

    // leave all the remaining clean-up to the OS
    // (as recommended for a quick exit)
    ExitProcess(retCode);

#else

    DeleteObject(GetDefaultGuiFont());
    DeleteBitmap(gBitmapReloadingCue);
    DeleteSplitterBrush();

    // wait for FileExistenceChecker to terminate
    // (which should be necessary only very rarely)
    while (gFileExistenceChecker) {
        Sleep(10);
        uitask::DrainQueue();
    }

    mui::Destroy();
    uitask::Destroy();
    trans::Destroy();

    SaveCallstackLogs();
    dbghelp::FreeCallstackLogs();

    // must be after uitask::Destroy() because we might have queued prefs::Reload()
    // which crashes if gGlobalPrefs is freed
    gFileHistory.UpdateStatesSource(NULL);
    DeleteGlobalPrefs(gGlobalPrefs);

    // it's still possible to crash after this (destructors of static classes,
    // atexit() code etc.) point, but it's very unlikely
    UninstallCrashHandler();

    // output leaks after all destructors of static objects have run
    _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);

    return retCode;
#endif
}