org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarController Java Examples

/**
 * Gets a snackbar controller that we can use to show our snackbar.
 * @param tabModelSelector used to retrieve a tab by ID
 */
private static SnackbarController createReloadSnackbarController(
        final TabModelSelector tabModelSelector) {
    Log.d(TAG, "building snackbar controller");

    return new SnackbarController() {
        @Override
        public void onAction(Object actionData) {
            assert actionData != null;
            int tabId = (int) actionData;
            RecordUserAction.record("OfflinePages.ReloadButtonClicked");
            Tab foundTab = tabModelSelector.getTabById(tabId);
            if (foundTab == null) return;
            // Delegates to Tab to reload the page. Tab will send the correct header in order to
            // load the right page.
            foundTab.reload();
        }

        @Override
        public void onDismissNoAction(Object actionData) {
            RecordUserAction.record("OfflinePages.ReloadButtonNotClicked");
        }
    };
}
 

/**
 * Builds a new OfflinePageTabObserver.
 * @param tabModelSelector Tab model selector for the activity.
 * @param snackbarManager The snackbar manager to show and dismiss snackbars.
 * @param snackbarController Controller to use to build the snackbar.
 */
OfflinePageTabObserver(TabModelSelector tabModelSelector, SnackbarManager snackbarManager,
        SnackbarController snackbarController) {
    mSnackbarManager = snackbarManager;
    mSnackbarController = snackbarController;
    mTabModelSelector = tabModelSelector;
    mTabModelObserver = new TabModelSelectorTabModelObserver(tabModelSelector) {
        @Override
        public void tabRemoved(Tab tab) {
            Log.d(TAG, "tabRemoved");
            stopObservingTab(tab);
            mSnackbarManager.dismissSnackbars(mSnackbarController);
        }
    };
    // The first time observer is created snackbar has net yet been shown.
    mIsObservingNetworkChanges = false;
}
 

/**
 * Gets a snackbar controller that we can use to show our snackbar.
 * @param tabModelSelector used to retrieve a tab by ID
 */
private static SnackbarController createReloadSnackbarController(
        final TabModelSelector tabModelSelector) {
    Log.d(TAG, "building snackbar controller");

    return new SnackbarController() {
        @Override
        public void onAction(Object actionData) {
            assert actionData != null;
            int tabId = (int) actionData;
            RecordUserAction.record("OfflinePages.ReloadButtonClicked");
            Tab foundTab = tabModelSelector.getTabById(tabId);
            if (foundTab == null) return;
            // Delegates to Tab to reload the page. Tab will send the correct header in order to
            // load the right page.
            foundTab.reload();
        }

        @Override
        public void onDismissNoAction(Object actionData) {
            RecordUserAction.record("OfflinePages.ReloadButtonNotClicked");
        }
    };
}
 

/**
 * Gets a snackbar controller that we can use to show our snackbar.
 * @param tabModelSelector used to retrieve a tab by ID
 */
private static SnackbarController createReloadSnackbarController(
        final TabModelSelector tabModelSelector) {
    Log.d(TAG, "building snackbar controller");

    return new SnackbarController() {
        @Override
        public void onAction(Object actionData) {
            assert actionData != null;
            int tabId = (int) actionData;
            RecordUserAction.record("OfflinePages.ReloadButtonClicked");
            Tab foundTab = tabModelSelector.getTabById(tabId);
            if (foundTab == null) return;

            LoadUrlParams params = new LoadUrlParams(
                    foundTab.getOfflinePageOriginalUrl(), PageTransition.RELOAD);
            foundTab.loadUrl(params);
        }

        @Override
        public void onDismissNoAction(Object actionData) {
            RecordUserAction.record("OfflinePages.ReloadButtonNotClicked");
        }
    };
}
 

boolean removeMatchingSnackbars(SnackbarController controller) {
    boolean snackbarRemoved = false;
    Iterator<Snackbar> iter = mSnackbars.iterator();
    while (iter.hasNext()) {
        Snackbar snackbar = iter.next();
        if (snackbar.getController() == controller) {
            iter.remove();
            snackbarRemoved = true;
        }
    }
    return snackbarRemoved;
}
 

@Override
public void showReloadSnackbar(Context context, SnackbarManager snackbarManager,
        final SnackbarController snackbarController, int tabId) {
    if (tabId == Tab.INVALID_TAB_ID) return;

    Log.d(TAG, "showReloadSnackbar called with controller " + snackbarController);
    Snackbar snackbar =
            Snackbar.make(context.getString(R.string.offline_pages_viewing_offline_page),
                            snackbarController, Snackbar.TYPE_ACTION,
                            Snackbar.UMA_OFFLINE_PAGE_RELOAD)
                    .setSingleLine(false)
                    .setAction(context.getString(R.string.reload), tabId);
    snackbar.setDuration(sSnackbarDurationMs);
    snackbarManager.showSnackbar(snackbar);
}
 

/**
 * Creates and returns a snackbar to display the given text. If this is a snackbar for a new
 * feature shown to the user, please add the feature name to SnackbarIdentifier in histograms.
 *
 * @param text The text to show on the snackbar.
 * @param controller The SnackbarController to receive callbacks about the snackbar's state.
 * @param type Type of the snackbar. Either {@link #TYPE_ACTION} or {@link #TYPE_NOTIFICATION}.
 * @param identifier The feature code of the snackbar. Should be one of the UMA* constants above
 */
public static Snackbar make(CharSequence text, SnackbarController controller, int type,
        int identifier) {
    Snackbar s = new Snackbar();
    s.mText = text;
    s.mController = controller;
    s.mType = type;
    s.mIdentifier = identifier;
    return s;
}
 

boolean removeMatchingSnackbars(SnackbarController controller, Object data) {
    boolean snackbarRemoved = false;
    Iterator<Snackbar> iter = mSnackbars.iterator();
    while (iter.hasNext()) {
        Snackbar snackbar = iter.next();
        if (snackbar.getController() == controller
                && objectsAreEqual(snackbar.getActionData(), data)) {
            iter.remove();
            controller.onDismissNoAction(data);
            snackbarRemoved = true;
        }
    }
    return snackbarRemoved;
}
 

boolean removeMatchingSnackbars(SnackbarController controller) {
    boolean snackbarRemoved = false;
    Iterator<Snackbar> iter = mSnackbars.iterator();
    while (iter.hasNext()) {
        Snackbar snackbar = iter.next();
        if (snackbar.getController() == controller) {
            iter.remove();
            controller.onDismissNoAction(snackbar.getActionData());
            snackbarRemoved = true;
        }
    }
    return snackbarRemoved;
}
 

private Snackbar removeCurrent(boolean isAction) {
    Snackbar current = mSnackbars.pollFirst();
    if (current != null) {
        SnackbarController controller = current.getController();
        if (isAction) controller.onAction(current.getActionData());
        else controller.onDismissNoAction(current.getActionData());
    }
    return current;
}
 

/**
 * Shows the "reload" snackbar for the given tab.
 * @param activity The activity owning the tab.
 * @param snackbarController Class to show the snackbar.
 */
public static void showReloadSnackbar(Context context, SnackbarManager snackbarManager,
        final SnackbarController snackbarController, int tabId) {
    if (tabId == Tab.INVALID_TAB_ID) return;

    Log.d(TAG, "showReloadSnackbar called with controller " + snackbarController);
    Snackbar snackbar =
            Snackbar.make(context.getString(R.string.offline_pages_viewing_offline_page),
                    snackbarController, Snackbar.TYPE_ACTION, Snackbar.UMA_OFFLINE_PAGE_RELOAD)
                    .setSingleLine(false).setAction(context.getString(R.string.reload), tabId);
    snackbar.setDuration(sSnackbarDurationMs);
    snackbarManager.showSnackbar(snackbar);
}
 

/**
 * Shows the snackbar for the current tab to provide offline specific information if needed.
 * @param activity The activity owning the tab.
 * @param tab The current tab.
 */
public static void showOfflineSnackbarIfNecessary(ChromeActivity activity, Tab tab) {
    if (OfflinePageTabObserver.getInstance() == null
            || !OfflinePageTabObserver.getInstance().isCurrentContext(
                       activity.getBaseContext())) {
        SnackbarController snackbarController =
                createReloadSnackbarController(activity.getTabModelSelector());
        OfflinePageTabObserver.init(
                activity.getBaseContext(), activity.getSnackbarManager(), snackbarController);
    }

    showOfflineSnackbarIfNecessary(tab);
}
 

void reinitialize(Context context, SnackbarManager manager, SnackbarController controller) {
    // TODO(fgorski): Work out if we need to also update network changes observer with the
    // context change.
    mContext = context;
    mSnackbarManager = manager;
    mSnackbarController = controller;
}
 

/**
 * Builds a new OfflinePageTabObserver.
 * @param context Android context.
 * @param snackbarManager The snackbar manager to show and dismiss snackbars.
 * @param snackbarController Controller to use to build the snackbar.
 */
OfflinePageTabObserver(Context context, SnackbarManager snackbarManager,
        SnackbarController snackbarController) {
    reinitialize(context, snackbarManager, snackbarController);

    // The first time observer is created snackbar has net yet been shown.
    mIsObservingNetworkChanges = false;
}
 

static void init(Context context, SnackbarManager manager, SnackbarController controller) {
    if (sInstance == null) {
        sInstance = new OfflinePageTabObserver(context, manager, controller);
        return;
    }
    sInstance.reinitialize(context, manager, controller);
}
 

/**
 * Creates and returns a snackbar to display the given text. If this is a snackbar for a new
 * feature shown to the user, please add the feature name to SnackbarIdentifier in histograms.
 *
 * @param text The text to show on the snackbar.
 * @param controller The SnackbarController to receive callbacks about the snackbar's state.
 * @param type Type of the snackbar. Either {@link #TYPE_ACTION} or {@link #TYPE_NOTIFICATION}.
 * @param identifier The feature code of the snackbar. Should be one of the UMA* constants above
 */
public static Snackbar make(CharSequence text, SnackbarController controller, int type,
        int identifier) {
    Snackbar s = new Snackbar();
    s.mText = text;
    s.mController = controller;
    s.mType = type;
    s.mIdentifier = identifier;
    return s;
}
 

boolean removeMatchingSnackbars(SnackbarController controller, Object data) {
    boolean snackbarRemoved = false;
    Iterator<Snackbar> iter = mSnackbars.iterator();
    while (iter.hasNext()) {
        Snackbar snackbar = iter.next();
        if (snackbar.getController() == controller
                && objectsAreEqual(snackbar.getActionData(), data)) {
            iter.remove();
            controller.onDismissNoAction(data);
            snackbarRemoved = true;
        }
    }
    return snackbarRemoved;
}
 

boolean removeMatchingSnackbars(SnackbarController controller) {
    boolean snackbarRemoved = false;
    Iterator<Snackbar> iter = mSnackbars.iterator();
    while (iter.hasNext()) {
        Snackbar snackbar = iter.next();
        if (snackbar.getController() == controller) {
            iter.remove();
            controller.onDismissNoAction(snackbar.getActionData());
            snackbarRemoved = true;
        }
    }
    return snackbarRemoved;
}
 

private Snackbar removeCurrent(boolean isAction) {
    Snackbar current = mSnackbars.pollFirst();
    if (current != null) {
        SnackbarController controller = current.getController();
        if (isAction) controller.onAction(current.getActionData());
        else controller.onDismissNoAction(current.getActionData());
    }
    return current;
}
 

/**
 * Shows the "reload" snackbar for the given tab.
 * @param activity The activity owning the tab.
 * @param snackbarController Class to show the snackbar.
 */
public static void showReloadSnackbar(Context context, SnackbarManager snackbarManager,
        final SnackbarController snackbarController, int tabId) {
    if (tabId == Tab.INVALID_TAB_ID) return;

    Log.d(TAG, "showReloadSnackbar called with controller " + snackbarController);
    Snackbar snackbar =
            Snackbar.make(context.getString(R.string.offline_pages_viewing_offline_page),
                    snackbarController, Snackbar.TYPE_ACTION, Snackbar.UMA_OFFLINE_PAGE_RELOAD)
                    .setSingleLine(false).setAction(context.getString(R.string.reload), tabId);
    snackbar.setDuration(SNACKBAR_DURATION);
    snackbarManager.showSnackbar(snackbar);
}
 

/**
 * Shows the snackbar for the current tab to provide offline specific information if needed.
 * @param activity The activity owning the tab.
 * @param tab The current tab.
 */
public static void showOfflineSnackbarIfNecessary(ChromeActivity activity, Tab tab) {
    if (!OfflinePageBridge.isOfflinePagesEnabled()) return;

    if (OfflinePageTabObserver.getInstance() == null) {
        SnackbarController snackbarController =
                createReloadSnackbarController(activity.getTabModelSelector());
        OfflinePageTabObserver.init(
                activity.getBaseContext(), activity.getSnackbarManager(), snackbarController);
    }

    showOfflineSnackbarIfNecessary(tab);
}
 

/**
 * Builds a new OfflinePageTabObserver.
 * @param context Android context.
 * @param snackbarManager The snackbar manager to show and dismiss snackbars.
 * @param snackbarController Controller to use to build the snackbar.
 */
OfflinePageTabObserver(Context context, SnackbarManager snackbarManager,
        SnackbarController snackbarController) {
    mContext = context;
    mSnackbarManager = snackbarManager;
    mSnackbarController = snackbarController;

    // The first time observer is created snackbar has net yet been shown.
    mWasSnackbarShown = false;
    mIsObservingNetworkChanges = false;
}
 

private Snackbar removeCurrent(boolean isAction) {
    Snackbar current = mSnackbars.pollFirst();
    if (current != null) {
        SnackbarController controller = current.getController();
        if (isAction) controller.onAction(current.getActionData());
        else controller.onDismissNoAction(current.getActionData());
    }
    return current;
}
 

boolean removeMatchingSnackbars(SnackbarController controller, Object data) {
    boolean snackbarRemoved = false;
    Iterator<Snackbar> iter = mSnackbars.iterator();
    while (iter.hasNext()) {
        Snackbar snackbar = iter.next();
        if (snackbar.getController() == controller
                && objectsAreEqual(snackbar.getActionData(), data)) {
            iter.remove();
            snackbarRemoved = true;
        }
    }
    return snackbarRemoved;
}
 

/**
 * Creates and returns a snackbar to display the given text. If this is a snackbar for a new
 * feature shown to the user, please add the feature name to SnackbarIdentifier in histograms.
 *
 * @param text The text to show on the snackbar.
 * @param controller The SnackbarController to receive callbacks about the snackbar's state.
 * @param type Type of the snackbar. Either {@link #TYPE_ACTION} or {@link #TYPE_NOTIFICATION}.
 * @param identifier The feature code of the snackbar. Should be one of the UMA* constants above
 */
public static Snackbar make(CharSequence text, SnackbarController controller, int type,
        int identifier) {
    Snackbar s = new Snackbar();
    s.mText = text;
    s.mController = controller;
    s.mType = type;
    s.mIdentifier = identifier;
    return s;
}
 

static void init(Context context, SnackbarManager manager, SnackbarController controller) {
    sInstance = new OfflinePageTabObserver(context, manager, controller);
}
 

protected void showReloadSnackbarInternal(Context context, SnackbarManager snackbarManager,
final SnackbarController snackbarController, int tabId) {}
 

/**
 * @return The {@link SnackbarController} that controls this snackbar.
 */
@VisibleForTesting
public SnackbarController getController() {
    return mController;
}
 

SnackbarController getController() {
    return mController;
}
 

SnackbarController getController() {
    return mController;
}