blob: fa03d6ecd346bf04f13a2ecc101dd4ac50c69bef [file] [log] [blame]
/*
* Copyright (C) 2008 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef SuspendableTimer_h
#define SuspendableTimer_h
#include "ActiveDOMObject.h"
#include "Timer.h"
namespace WebCore {
class SuspendableTimer : public TimerBase, public ActiveDOMObject {
public:
explicit SuspendableTimer(ScriptExecutionContext*);
virtual ~SuspendableTimer();
// ActiveDOMObject
virtual bool hasPendingActivity() const;
virtual void stop();
virtual bool canSuspend() const;
virtual void suspend(ReasonForSuspension);
virtual void resume();
private:
virtual void fired() = 0;
double m_nextFireInterval;
double m_repeatInterval;
bool m_active;
#if !ASSERT_DISABLED
bool m_suspended;
#endif
};
} // namespace WebCore
#endif // SuspendableTimer_h