Merge "Deprecate webview.use_chromium and introduce webview.force_provider."

 * @hide

 */

public final class WebViewFactory {

    public static final boolean DEFAULT_TO_EXPERIMENTAL_WEBVIEW = false;

    public static final String WEBVIEW_EXPERIMENTAL_PROPERTY = "persist.sys.webview.exp";

    private static final String DEPRECATED_CHROMIUM_PROPERTY = "webview.use_chromium";

    private static final String FORCE_PROVIDER_PROPERTY = "webview.force_provider";

    private static final String FORCE_PROVIDER_PROPERTY_VALUE_CHROMIUM = "chromium";

    private static final String FORCE_PROVIDER_PROPERTY_VALUE_CLASSIC = "classic";

    // Default Provider factory class name.

    // TODO: When the Chromium powered WebView is ready, it should be the default factory class.

    // experimtanl Chromium powered WebView. This enables us to switch between

    // implementations at runtime. For user (release) builds, don't allow this.

    private static boolean isExperimentalWebViewEnabled() {

        if (!isExperimentalWebViewAvailable())

            return false;

        if (SystemProperties.getBoolean(DEPRECATED_CHROMIUM_PROPERTY, false)) {

            Log.w(LOGTAG, String.format("The property %s has been deprecated. Please use %s.",

                    DEPRECATED_CHROMIUM_PROPERTY, WEBVIEW_EXPERIMENTAL_PROPERTY));

            return true;

        }

        return SystemProperties.getBoolean(WEBVIEW_EXPERIMENTAL_PROPERTY, false);

        if (!isExperimentalWebViewAvailable()) return false;

        boolean use_experimental_webview = SystemProperties.getBoolean(

                WEBVIEW_EXPERIMENTAL_PROPERTY, DEFAULT_TO_EXPERIMENTAL_WEBVIEW);

        String forceProviderName = SystemProperties.get(FORCE_PROVIDER_PROPERTY);

        if (forceProviderName.isEmpty()) return use_experimental_webview;

        Log.i(LOGTAG, String.format("Provider overridden by property: %s=%s",

                FORCE_PROVIDER_PROPERTY, forceProviderName));

        if (forceProviderName.equals(FORCE_PROVIDER_PROPERTY_VALUE_CHROMIUM)) return true;

        if (forceProviderName.equals(FORCE_PROVIDER_PROPERTY_VALUE_CLASSIC)) return false;

        Log.e(LOGTAG, String.format("Unrecognized provider: %s", forceProviderName));

        return use_experimental_webview;

    }

    private static WebViewFactoryProvider getFactoryByName(String providerName) {