EventFilterHost.java

// Copyright 2012 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.eventfilter;

import android.view.MotionEvent;

/**
 * The interface an host view that want its event to be filtered need to provide.
 */
public interface EventFilterHost {

    /**
     * Propagates the event the event filter is not consuming.
     *
     * @param e The {@link MotionEvent} the filter is forwarding.
     * @return Whether the propagated event has been handled.
     */
    public boolean propagateEvent(MotionEvent e);

    /**
     * @return The width of the current viewport or host {@link android.view.View}.
     */
    public int getViewportWidth();
}