Ejemplos de CreateProcessHelper en C++ (Cpp)

Ejemplo n.º 1

Archivo: Install.cpp Proyecto: shienme/sumatrapdf

DWORD WINAPI InstallerThread(LPVOID data)
{
    gGlobalData.success = false;

    if (!CreateInstallationDirectory())
        goto Error;
    ProgressStep();

    if (!InstallCopyFiles())
        goto Error;

    if (gGlobalData.registerAsDefault) {
        // need to sublaunch SumatraPDF.exe instead of replicating the code
        // because registration uses translated strings
        ScopedMem<WCHAR> installedExePath(GetInstalledExePath());
        CreateProcessHelper(installedExePath, L"-register-for-pdf");
    }

    if (gGlobalData.installBrowserPlugin)
        InstallBrowserPlugin();
    else if (IsBrowserPluginInstalled())
        UninstallBrowserPlugin();

    if (gGlobalData.installPdfFilter)
        InstallPdfFilter();
    else if (IsPdfFilterInstalled())
        UninstallPdfFilter();

    if (gGlobalData.installPdfPreviewer)
        InstallPdfPreviewer();
    else if (IsPdfPreviewerInstalled())
        UninstallPdfPreviewer();

    if (!CreateAppShortcut(true) && !CreateAppShortcut(false)) {
        NotifyFailed(_TR("Failed to create a shortcut"));
        goto Error;
    }

    // consider installation a success from here on
    // (still warn, if we've failed to create the uninstaller, though)
    gGlobalData.success = true;

    if (!WriteUninstallerRegistryInfo(HKEY_LOCAL_MACHINE) &&
        !WriteUninstallerRegistryInfo(HKEY_CURRENT_USER)) {
        NotifyFailed(_TR("Failed to write the uninstallation information to the registry"));
    }
    if (!WriteExtendedFileExtensionInfo(HKEY_LOCAL_MACHINE) &&
        !WriteExtendedFileExtensionInfo(HKEY_CURRENT_USER)) {
        NotifyFailed(_TR("Failed to write the extended file extension information to the registry"));
    }
    ProgressStep();

Error:
    // TODO: roll back installation on failure (restore previous installation!)
    if (gHwndFrame && !gGlobalData.silent) {
        Sleep(500); // allow a glimpse of the completed progress bar before hiding it
        PostMessage(gHwndFrame, WM_APP_INSTALLATION_FINISHED, 0, 0);
    }
    return 0;
}

Ejemplo n.º 2

// If this is uninstaller and we're running from installation directory,
// copy uninstaller to temp directory and execute from there, exiting
// ourselves. This is needed so that uninstaller can delete itself
// from installation directory and remove installation directory
// If returns TRUE, this is an installer and we sublaunched ourselves,
// so the caller needs to exit
bool ExecuteUninstallerFromTempDir()
{
    // only need to sublaunch if running from installation dir
    ScopedMem<WCHAR> ownDir(path::GetDir(GetOwnPath()));
    ScopedMem<WCHAR> tempPath(GetTempUninstallerPath());

    // no temp directory available?
    if (!tempPath)
        return false;

    // not running from the installation directory?
    // (likely a test uninstaller that shouldn't be removed anyway)
    if (!path::IsSame(ownDir, gGlobalData.installDir))
        return false;

    // already running from temp directory?
    if (path::IsSame(GetOwnPath(), tempPath))
        return false;

    if (!CopyFile(GetOwnPath(), tempPath, FALSE)) {
        NotifyFailed(L"Failed to copy uninstaller to temp directory");
        return false;
    }

    ScopedMem<WCHAR> args(str::Format(L"/d \"%s\" %s", gGlobalData.installDir, gGlobalData.silent ? L"/s" : L""));
    bool ok = CreateProcessHelper(tempPath, args);

    // mark the uninstaller for removal at shutdown (note: works only for administrators)
    MoveFileEx(tempPath, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);

    return ok;
}