chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/EmptyOverviewModeObserver.java

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.chrome.browser.compositor.layouts;

import org.chromium.chrome.browser.compositor.layouts.OverviewModeBehavior.OverviewModeObserver;

/**
* An empty implementation of {@link OverviewModeObserver}.
*/
public class EmptyOverviewModeObserver implements OverviewModeObserver {
    @Override
    public void onOverviewModeStartedShowing(boolean showToolbar) {}

    @Override
    public void onOverviewModeFinishedShowing() {}

    @Override
    public void onOverviewModeStartedHiding(boolean showToolbar, boolean delayAnimation) {}

    @Override
    public void onOverviewModeFinishedHiding() {}
}