/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#ifndef WebUserGestureIndicator_h
#define WebUserGestureIndicator_h

#include "../platform/WebCommon.h"

namespace blink {

class WebUserGestureToken;

class WebUserGestureIndicator {
public:
    // Returns true if a user gesture is currently being processed.
    BLINK_EXPORT static bool isProcessingUserGesture();

    // Returns true if a consumable gesture exists and has been successfully consumed.
    BLINK_EXPORT static bool consumeUserGesture();

    // Returns a token for the currently active user gesture. It can be used to
    // continue processing the user gesture later on using a
    // WebScopedUserGesture.
    BLINK_EXPORT static WebUserGestureToken currentUserGestureToken();
};

}

#endif // WebUserGestureIndicator_h