org.chromium.chrome.browser.ShortcutHelper Java Examples

public static int displayModeFromIntent(Intent intent) {
    String displayMode =
            IntentUtils.safeGetStringExtra(intent, WebApkConstants.EXTRA_WEBAPK_DISPLAY_MODE);
    if (displayMode == null) {
        return IntentUtils.safeGetIntExtra(
                intent, ShortcutHelper.EXTRA_DISPLAY_MODE, WebDisplayMode.Standalone);
    }

    // {@link displayMode} should be one of
    // https://w3c.github.io/manifest/#dfn-display-modes-values
    if (displayMode.equals("fullscreen")) {
        return WebDisplayMode.Fullscreen;
    } else if (displayMode.equals("minimal-ui")) {
        return WebDisplayMode.MinimalUi;
    } else if (displayMode.equals("browser")) {
        return WebDisplayMode.Browser;
    } else {
        return WebDisplayMode.Standalone;
    }
}
 

/**
 * Construct a WebappInfo.
 * @param intent Intent containing info about the app.
 */
public static WebappInfo create(Intent intent) {
    String id = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_ID);
    String icon = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_ICON);
    String url = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_URL);
    int displayMode = displayModeFromIntent(intent);
    int orientation = orientationFromIntent(intent);
    int source = IntentUtils.safeGetIntExtra(intent,
            ShortcutHelper.EXTRA_SOURCE, ShortcutSource.UNKNOWN);
    long themeColor = IntentUtils.safeGetLongExtra(intent,
            ShortcutHelper.EXTRA_THEME_COLOR,
            ShortcutHelper.MANIFEST_COLOR_INVALID_OR_MISSING);
    long backgroundColor = IntentUtils.safeGetLongExtra(intent,
            ShortcutHelper.EXTRA_BACKGROUND_COLOR,
            ShortcutHelper.MANIFEST_COLOR_INVALID_OR_MISSING);
    boolean isIconGenerated = IntentUtils.safeGetBooleanExtra(intent,
            ShortcutHelper.EXTRA_IS_ICON_GENERATED, false);

    String name = nameFromIntent(intent);
    String shortName = shortNameFromIntent(intent);
    String webApkPackageName = IntentUtils.safeGetStringExtra(intent,
            ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME);

    return create(id, url, icon, name, shortName, displayMode, orientation, source,
            themeColor, backgroundColor, isIconGenerated, webApkPackageName);
}
 

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    // We could bring a WebAPK hosted WebappActivity to foreground and navigate it to a
    // different URL. For example, WebAPK "foo" is launched and navigates to
    // "www.foo.com/foo". In Chrome, user clicks a link "www.foo.com/bar" in Google search
    // results. After clicking the link, WebAPK "foo" is brought to foreground, and
    // loads the page of "www.foo.com/bar" at the same time.
    // The extra {@link ShortcutHelper.EXTRA_URL} provides the URL that the WebAPK will
    // navigate to.
    String overrideUrl = intent.getStringExtra(ShortcutHelper.EXTRA_URL);
    if (overrideUrl != null && isInitialized()
            && !overrideUrl.equals(getActivityTab().getUrl())) {
        getActivityTab().loadUrl(
                new LoadUrlParams(overrideUrl, PageTransition.AUTO_TOPLEVEL));
    }
}
 

/**
 * Populates {@link WebappInfo} with meta data extracted from WebAPK's Android Manifest.
 * @param webApkPackageName Package name of the WebAPK to extract meta data from.
 * @param url WebAPK start URL.
 * @param source {@link ShortcutSource} that the WebAPK was opened from.
 */
public static WebApkInfo extractWebappInfoFromWebApk(
        String webApkPackageName, String url, int source) {
    WebApkMetaData metaData = extractMetaDataFromWebApk(webApkPackageName);
    if (metaData == null) return null;

    PackageManager packageManager = ContextUtils.getApplicationContext().getPackageManager();
    Resources resources;
    try {
        resources = packageManager.getResourcesForApplication(webApkPackageName);
    } catch (PackageManager.NameNotFoundException e) {
        return null;
    }
    Bitmap icon = BitmapFactory.decodeResource(resources, metaData.iconId);
    String encodedIcon = ShortcutHelper.encodeBitmapAsString(icon);

    return WebApkInfo.create(WebApkConstants.WEBAPK_ID_PREFIX + webApkPackageName, url,
            metaData.scope, encodedIcon, metaData.name, metaData.shortName,
            metaData.displayMode, metaData.orientation, source, metaData.themeColor,
            metaData.backgroundColor, TextUtils.isEmpty(metaData.iconUrl), webApkPackageName);
}
 

@Override
public void activateContents() {
    String startUrl = mActivity.getWebappInfo().uri().toString();

    // Create an Intent that will be fired toward the WebappLauncherActivity, which in turn
    // will fire an Intent to launch the correct WebappActivity.  On L+ this could probably
    // be changed to call AppTask.moveToFront(), but for backwards compatibility we relaunch
    // it the hard way.
    Intent intent = new Intent();
    intent.setAction(WebappLauncherActivity.ACTION_START_WEBAPP);
    intent.setPackage(mActivity.getPackageName());
    mActivity.getWebappInfo().setWebappIntentExtras(intent);

    intent.putExtra(
            ShortcutHelper.EXTRA_MAC, ShortcutHelper.getEncodedMac(mActivity, startUrl));
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    ContextUtils.getApplicationContext().startActivity(intent);
}
 

/**
 * Checks whether the WebAPK package specified in the intent is a valid WebAPK and whether the
 * url specified in the intent can be fulfilled by the WebAPK.
 *
 * @param intent The intent
 * @return true iff all validation criteria are met.
 */
private boolean isValidWebApk(Intent intent) {
    if (!ChromeWebApkHost.isEnabled()) return false;

    String webApkPackage = IntentUtils.safeGetStringExtra(intent,
            ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME);
    if (TextUtils.isEmpty(webApkPackage)) return false;

    String url = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_URL);
    if (TextUtils.isEmpty(url)) return false;

    if (!webApkPackage.equals(WebApkValidator.queryWebApkPackage(this, url))) {
        Log.d(TAG, "%s is not within scope of %s WebAPK", url, webApkPackage);
        return false;
    }
    return true;
}
 

@Override
public void activateContents() {
    String startUrl = mActivity.getWebappInfo().uri().toString();

    // Create an Intent that will be fired toward the WebappLauncherActivity, which in turn
    // will fire an Intent to launch the correct WebappActivity.  On L+ this could probably
    // be changed to call AppTask.moveToFront(), but for backwards compatibility we relaunch
    // it the hard way.
    Intent intent = new Intent();
    intent.setAction(WebappLauncherActivity.ACTION_START_WEBAPP);
    intent.setPackage(mActivity.getPackageName());
    mActivity.getWebappInfo().setWebappIntentExtras(intent);

    intent.putExtra(
            ShortcutHelper.EXTRA_MAC, ShortcutHelper.getEncodedMac(mActivity, startUrl));
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    ContextUtils.getApplicationContext().startActivity(intent);
}
 

/**
 * Sets extras on an Intent that will launch a WebappActivity.
 * @param intent Intent that will be used to launch a WebappActivity.
 */
public void setWebappIntentExtras(Intent intent) {
    intent.putExtra(ShortcutHelper.EXTRA_ID, id());
    intent.putExtra(ShortcutHelper.EXTRA_URL, uri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_SCOPE,
            ShortcutHelper.getScopeFromUrl(uri().toString()));
    intent.putExtra(ShortcutHelper.EXTRA_ICON, encodedIcon());
    intent.putExtra(ShortcutHelper.EXTRA_VERSION, ShortcutHelper.WEBAPP_SHORTCUT_VERSION);
    intent.putExtra(ShortcutHelper.EXTRA_NAME, name());
    intent.putExtra(ShortcutHelper.EXTRA_SHORT_NAME, shortName());
    intent.putExtra(ShortcutHelper.EXTRA_DISPLAY_MODE, displayMode());
    intent.putExtra(ShortcutHelper.EXTRA_ORIENTATION, orientation());
    intent.putExtra(ShortcutHelper.EXTRA_SOURCE, source());
    intent.putExtra(ShortcutHelper.EXTRA_THEME_COLOR, themeColor());
    intent.putExtra(ShortcutHelper.EXTRA_BACKGROUND_COLOR, backgroundColor());
    intent.putExtra(ShortcutHelper.EXTRA_IS_ICON_GENERATED, isIconGenerated());
    if (webApkPackageName() != null) {
        intent.putExtra(ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME, webApkPackageName());
    }
}
 

/**
 * Constructs a WebApkInfo from the passed in Intent and <meta-data> in the WebAPK's Android
 * manifest.
 * @param intent Intent containing info about the app.
 */
public static WebApkInfo create(Intent intent) {
    String webApkPackageName =
            IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME);
    if (TextUtils.isEmpty(webApkPackageName)) {
        return null;
    }

    String url = urlFromIntent(intent);
    int source = sourceFromIntent(intent);

    // Unlike non-WebAPK web apps, WebAPK ids are predictable. A malicious actor may send an
    // intent with a valid start URL and arbitrary other data. Only use the start URL, the
    // package name and the ShortcutSource from the launch intent and extract the remaining data
    // from the <meta-data> in the WebAPK's Android manifest.
    return WebApkMetaDataUtils.extractWebappInfoFromWebApk(webApkPackageName, url, source);
}
 

/**
 * Checks whether the WebAPK package specified in the intent is a valid WebAPK and whether the
 * url specified in the intent can be fulfilled by the WebAPK.
 *
 * @param intent The intent
 * @return true iff all validation criteria are met.
 */
private boolean isValidWebApk(Intent intent) {
    if (!ChromeWebApkHost.isEnabled()) return false;

    String webApkPackage =
            IntentUtils.safeGetStringExtra(intent, WebApkConstants.EXTRA_WEBAPK_PACKAGE_NAME);
    if (TextUtils.isEmpty(webApkPackage)) return false;

    String url = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_URL);
    if (TextUtils.isEmpty(url)) return false;

    if (!webApkPackage.equals(WebApkValidator.queryWebApkPackage(this, url))) {
        Log.d(TAG, "%s is not within scope of %s WebAPK", url, webApkPackage);
        return false;
    }
    return true;
}
 

/**
 * Sets extras on an Intent that will launch a WebappActivity.
 * @param intent Intent that will be used to launch a WebappActivity.
 */
public void setWebappIntentExtras(Intent intent) {
    intent.putExtra(ShortcutHelper.EXTRA_ID, id());
    intent.putExtra(ShortcutHelper.EXTRA_URL, uri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_SCOPE, scopeUri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_ICON, encodedIcon());
    intent.putExtra(ShortcutHelper.EXTRA_VERSION, ShortcutHelper.WEBAPP_SHORTCUT_VERSION);
    intent.putExtra(ShortcutHelper.EXTRA_NAME, name());
    intent.putExtra(ShortcutHelper.EXTRA_SHORT_NAME, shortName());
    intent.putExtra(ShortcutHelper.EXTRA_DISPLAY_MODE, displayMode());
    intent.putExtra(ShortcutHelper.EXTRA_ORIENTATION, orientation());
    intent.putExtra(ShortcutHelper.EXTRA_SOURCE, source());
    intent.putExtra(ShortcutHelper.EXTRA_THEME_COLOR, themeColor());
    intent.putExtra(ShortcutHelper.EXTRA_BACKGROUND_COLOR, backgroundColor());
    intent.putExtra(ShortcutHelper.EXTRA_IS_ICON_GENERATED, isIconGenerated());
    if (webApkPackageName() != null) {
        intent.putExtra(ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME, webApkPackageName());
    }
}
 

protected WebappInfo(String id, String url, String scope, String encodedIcon, String name,
        String shortName, int displayMode, int orientation, int source, long themeColor,
        long backgroundColor, boolean isIconGenerated) {
    Uri uri = Uri.parse(url);
    if (TextUtils.isEmpty(scope)) {
        scope = ShortcutHelper.getScopeFromUrl(url);
    }
    Uri scopeUri = Uri.parse(scope);

    mEncodedIcon = encodedIcon;
    mId = id;
    mName = name;
    mShortName = shortName;
    mUri = uri;
    mScopeUri = scopeUri;
    mDisplayMode = displayMode;
    mOrientation = orientation;
    mSource = source;
    mThemeColor = themeColor;
    mBackgroundColor = backgroundColor;
    mIsIconGenerated = isIconGenerated;
    mIsInitialized = mUri != null;
}
 

/**
 * Construct a WebappInfo.
 * @param intent Intent containing info about the app.
 */
public static WebappInfo create(Intent intent) {
    String id = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_ID);
    String icon = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_ICON);
    String url = urlFromIntent(intent);
    String scope = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_SCOPE);
    int displayMode = IntentUtils.safeGetIntExtra(
            intent, ShortcutHelper.EXTRA_DISPLAY_MODE, WebDisplayMode.STANDALONE);
    int orientation = IntentUtils.safeGetIntExtra(
            intent, ShortcutHelper.EXTRA_ORIENTATION, ScreenOrientationValues.DEFAULT);
    int source = sourceFromIntent(intent);
    long themeColor = IntentUtils.safeGetLongExtra(intent,
            ShortcutHelper.EXTRA_THEME_COLOR,
            ShortcutHelper.MANIFEST_COLOR_INVALID_OR_MISSING);
    long backgroundColor = IntentUtils.safeGetLongExtra(intent,
            ShortcutHelper.EXTRA_BACKGROUND_COLOR,
            ShortcutHelper.MANIFEST_COLOR_INVALID_OR_MISSING);
    boolean isIconGenerated = IntentUtils.safeGetBooleanExtra(intent,
            ShortcutHelper.EXTRA_IS_ICON_GENERATED, false);

    String name = nameFromIntent(intent);
    String shortName = shortNameFromIntent(intent);

    return create(id, url, scope, new Icon(icon), name, shortName, displayMode,
            orientation, source, themeColor, backgroundColor, isIconGenerated);
}
 

protected WebappInfo(String id, String url, String scope, Icon icon, String name,
        String shortName, int displayMode, int orientation, int source, long themeColor,
        long backgroundColor, boolean isIconGenerated) {
    Uri uri = Uri.parse(url);
    if (TextUtils.isEmpty(scope)) {
        scope = ShortcutHelper.getScopeFromUrl(url);
    }
    Uri scopeUri = Uri.parse(scope);

    mIcon = icon;
    mId = id;
    mName = name;
    mShortName = shortName;
    mUri = uri;
    mScopeUri = scopeUri;
    mDisplayMode = displayMode;
    mOrientation = orientation;
    mSource = source;
    mThemeColor = themeColor;
    mBackgroundColor = backgroundColor;
    mIsIconGenerated = isIconGenerated;
    mIsInitialized = mUri != null;
}
 

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    // We could bring a WebAPK hosted WebappActivity to foreground and navigate it to a
    // different URL. For example, WebAPK "foo" is launched and navigates to
    // "www.foo.com/foo". In Chrome, user clicks a link "www.foo.com/bar" in Google search
    // results. After clicking the link, WebAPK "foo" is brought to foreground, and
    // loads the page of "www.foo.com/bar" at the same time.
    // The extra {@link ShortcutHelper.EXTRA_URL} provides the URL that the WebAPK will
    // navigate to.
    String overrideUrl = intent.getStringExtra(ShortcutHelper.EXTRA_URL);
    if (overrideUrl != null && isInitialized()
            && !overrideUrl.equals(getActivityTab().getUrl())) {
        getActivityTab().loadUrl(
                new LoadUrlParams(overrideUrl, PageTransition.AUTO_TOPLEVEL));
    }
}
 

/**
 * Sets extras on an Intent that will launch a WebappActivity.
 * @param intent Intent that will be used to launch a WebappActivity.
 */
public void setWebappIntentExtras(Intent intent) {
    intent.putExtra(ShortcutHelper.EXTRA_ID, id());
    intent.putExtra(ShortcutHelper.EXTRA_URL, uri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_SCOPE, scopeUri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_ICON, encodedIcon());
    intent.putExtra(ShortcutHelper.EXTRA_VERSION, ShortcutHelper.WEBAPP_SHORTCUT_VERSION);
    intent.putExtra(ShortcutHelper.EXTRA_NAME, name());
    intent.putExtra(ShortcutHelper.EXTRA_SHORT_NAME, shortName());
    intent.putExtra(ShortcutHelper.EXTRA_DISPLAY_MODE, displayMode());
    intent.putExtra(ShortcutHelper.EXTRA_ORIENTATION, orientation());
    intent.putExtra(ShortcutHelper.EXTRA_SOURCE, source());
    intent.putExtra(ShortcutHelper.EXTRA_THEME_COLOR, themeColor());
    intent.putExtra(ShortcutHelper.EXTRA_BACKGROUND_COLOR, backgroundColor());
    intent.putExtra(ShortcutHelper.EXTRA_IS_ICON_GENERATED, isIconGenerated());
}
 

/**
 * Construct a WebappInfo.
 * @param intent Intent containing info about the app.
 */
public static WebappInfo create(Intent intent) {
    String id = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_ID);
    String icon = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_ICON);
    String url = urlFromIntent(intent);
    String scope = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_SCOPE);
    int displayMode = IntentUtils.safeGetIntExtra(
            intent, ShortcutHelper.EXTRA_DISPLAY_MODE, WebDisplayMode.Standalone);
    int orientation = IntentUtils.safeGetIntExtra(
            intent, ShortcutHelper.EXTRA_ORIENTATION, ScreenOrientationValues.DEFAULT);
    int source = sourceFromIntent(intent);
    long themeColor = IntentUtils.safeGetLongExtra(intent,
            ShortcutHelper.EXTRA_THEME_COLOR,
            ShortcutHelper.MANIFEST_COLOR_INVALID_OR_MISSING);
    long backgroundColor = IntentUtils.safeGetLongExtra(intent,
            ShortcutHelper.EXTRA_BACKGROUND_COLOR,
            ShortcutHelper.MANIFEST_COLOR_INVALID_OR_MISSING);
    boolean isIconGenerated = IntentUtils.safeGetBooleanExtra(intent,
            ShortcutHelper.EXTRA_IS_ICON_GENERATED, false);

    String name = nameFromIntent(intent);
    String shortName = shortNameFromIntent(intent);

    return create(id, url, scope, icon, name, shortName, displayMode, orientation, source,
            themeColor, backgroundColor, isIconGenerated);
}
 

@Override
public void onReceive(Context context, Intent intent) {
    if (BookmarkWidgetService.getChangeFolderAction(context)
            .equals(intent.getAction())) {
        BookmarkWidgetService.changeFolder(context, intent);
    } else {
        Intent view = new Intent(intent);
        view.setClass(context, ChromeLauncherActivity.class);
        view.putExtra(ShortcutHelper.EXTRA_SOURCE, ShortcutSource.BOOKMARK_NAVIGATOR_WIDGET);
        view.putExtra(ShortcutHelper.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB, true);
        startActivity(context, view);
    }
}
 

@Override
public void setWebappIntentExtras(Intent intent) {
    // For launching a {@link WebApkActivity}.
    intent.putExtra(ShortcutHelper.EXTRA_URL, uri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_SOURCE, source());
    intent.putExtra(ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME, webApkPackageName());
}
 

/**
 * Called when the updated Web Manifest has been fetched.
 */
@Override
public void onGotManifestData(String startUrl, String scopeUrl, String name, String shortName,
        String iconUrl, String iconMurmur2Hash, Bitmap iconBitmap, int displayMode,
        int orientation, long themeColor, long backgroundColor) {
    mFetcher.destroy();
    mFetcher = null;

    if (TextUtils.isEmpty(scopeUrl)) {
        scopeUrl = ShortcutHelper.getScopeFromUrl(startUrl);
    }

    FetchedManifestData fetchedData = new FetchedManifestData();
    fetchedData.startUrl = startUrl;
    fetchedData.scopeUrl = scopeUrl;
    fetchedData.name = name;
    fetchedData.shortName = shortName;
    fetchedData.iconUrl = iconUrl;
    fetchedData.iconMurmur2Hash = iconMurmur2Hash;
    fetchedData.icon = iconBitmap;
    fetchedData.displayMode = displayMode;
    fetchedData.orientation = orientation;
    fetchedData.themeColor = themeColor;
    fetchedData.backgroundColor = backgroundColor;

    // TODO(hanxi): crbug.com/627824. Validate whether the new fetched data is
    // WebAPK-compatible.
    boolean upgrade = needsUpgrade(fetchedData);
    mCallback.onGotManifestData(upgrade, fetchedData);
}
 

/**
 * Checks if app banners are enabled.
 * @return True if banners are enabled, false otherwise.
 */
public static boolean isEnabled() {
    if (sIsEnabled == null) {
        Context context = ContextUtils.getApplicationContext();
        sIsEnabled = ShortcutHelper.isAddToHomeIntentSupported(context);
    }
    return sIsEnabled;
}
 

/**
 * @return Whether or not an Herb prototype may hijack an Intent.
 */
public static boolean canBeHijackedByHerb(Intent intent) {
    String url = IntentHandler.getUrlFromIntent(intent);

    // Only VIEW Intents with URLs are rerouted to Custom Tabs.
    if (intent == null || !TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())
            || TextUtils.isEmpty(url)) {
        return false;
    }

    // Don't open explicitly opted out intents in custom tabs.
    if (CustomTabsIntent.shouldAlwaysUseBrowserUI(intent)) {
        return false;
    }

    // Don't reroute Chrome Intents.
    Context context = ContextUtils.getApplicationContext();
    if (TextUtils.equals(context.getPackageName(),
            IntentUtils.safeGetStringExtra(intent, Browser.EXTRA_APPLICATION_ID))
            || IntentHandler.wasIntentSenderChrome(intent, context)) {
        return false;
    }

    // Don't reroute internal chrome URLs.
    try {
        URI uri = URI.create(url);
        if (UrlUtilities.isInternalScheme(uri)) return false;
    } catch (IllegalArgumentException e) {
        return false;
    }

    // Don't reroute Home screen shortcuts.
    if (IntentUtils.safeHasExtra(intent, ShortcutHelper.EXTRA_SOURCE)) {
        return false;
    }

    return true;
}
 

@Override
public void onReceive(Context context, Intent intent) {
    if (BookmarkWidgetService.getChangeFolderAction(context)
            .equals(intent.getAction())) {
        BookmarkWidgetService.changeFolder(context, intent);
    } else {
        Intent view = new Intent(intent);
        view.setClass(context, ChromeLauncherActivity.class);
        view.putExtra(ShortcutHelper.EXTRA_SOURCE, ShortcutSource.BOOKMARK_NAVIGATOR_WIDGET);
        view.putExtra(ShortcutHelper.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB, true);
        startActivity(context, view);
    }
}
 

/**
 * Checks if the add to home screen intent is supported.
 * @return true if add to home screen is supported, false otherwise.
 */
public static boolean isSupported() {
    if (sIsSupported == null) {
        sIsSupported = ShortcutHelper.isAddToHomeIntentSupported();
    }
    return sIsSupported;
}
 

private static void openUrl(Uri uri) {
    Context context = ContextUtils.getApplicationContext();
    Intent intent = new Intent()
                            .setAction(Intent.ACTION_VIEW)
                            .setData(uri)
                            .setClass(context, ChromeLauncherActivity.class)
                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                            .putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName())
                            .putExtra(ShortcutHelper.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB, true);
    IntentHandler.addTrustedIntentExtras(intent);
    context.startActivity(intent);
}
 

private void launchInTab(String webappUrl, int webappSource) {
    if (TextUtils.isEmpty(webappUrl)) return;

    Intent launchIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(webappUrl));
    launchIntent.setClassName(getPackageName(), ChromeLauncherActivity.class.getName());
    launchIntent.putExtra(ShortcutHelper.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB, true);
    launchIntent.putExtra(ShortcutHelper.EXTRA_SOURCE, webappSource);
    launchIntent.setFlags(
            Intent.FLAG_ACTIVITY_NEW_TASK | ApiCompatibilityUtils.getActivityNewDocumentFlag());
    startActivity(launchIntent);
}
 

protected static int sourceFromIntent(Intent intent) {
    int source = IntentUtils.safeGetIntExtra(
            intent, ShortcutHelper.EXTRA_SOURCE, ShortcutSource.UNKNOWN);
    if (source >= ShortcutSource.COUNT) {
        source = ShortcutSource.UNKNOWN;
    }
    return source;
}
 

private static String titleFromIntent(Intent intent) {
    // The reference to title has been kept for reasons of backward compatibility. For intents
    // and shortcuts which were created before we utilized the concept of name and shortName,
    // we set the name and shortName to be the title.
    String title = IntentUtils.safeGetStringExtra(intent, ShortcutHelper.EXTRA_TITLE);
    return title == null ? "" : title;
}
 

@Override
public void setWebappIntentExtras(Intent intent) {
    // For launching a {@link WebApkActivity}.
    intent.putExtra(ShortcutHelper.EXTRA_URL, uri().toString());
    intent.putExtra(ShortcutHelper.EXTRA_SOURCE, source());
    intent.putExtra(WebApkConstants.EXTRA_WEBAPK_PACKAGE_NAME, webApkPackageName());
    intent.putExtra(WebApkConstants.EXTRA_WEBAPK_FORCE_NAVIGATION, mForceNavigation);
}
 

/**
 * @return Whether or not an Herb prototype may hijack an Intent.
 */
public static boolean canBeHijackedByHerb(Intent intent) {
    String url = IntentHandler.getUrlFromIntent(intent);

    // Only VIEW Intents with URLs are rerouted to Custom Tabs.
    if (intent == null || !TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())
            || TextUtils.isEmpty(url)) {
        return false;
    }

    // Don't open explicitly opted out intents in custom tabs.
    if (CustomTabsIntent.shouldAlwaysUseBrowserUI(intent)) {
        return false;
    }

    // Don't reroute Chrome Intents.
    Context context = ContextUtils.getApplicationContext();
    if (TextUtils.equals(context.getPackageName(),
            IntentUtils.safeGetStringExtra(intent, Browser.EXTRA_APPLICATION_ID))
            || IntentHandler.wasIntentSenderChrome(intent)) {
        return false;
    }

    // Don't reroute internal chrome URLs.
    try {
        URI uri = URI.create(url);
        if (UrlUtilities.isInternalScheme(uri)) return false;
    } catch (IllegalArgumentException e) {
        return false;
    }

    // Don't reroute Home screen shortcuts.
    if (IntentUtils.safeHasExtra(intent, ShortcutHelper.EXTRA_SOURCE)) {
        return false;
    }

    return true;
}