mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/*
|
|
* 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 COMPUTER, 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 DOMTimer_h
|
|
#define DOMTimer_h
|
|
|
|
#include "bindings/core/v8/ScheduledAction.h"
|
|
#include "core/frame/SuspendableTimer.h"
|
|
#include "platform/UserGestureIndicator.h"
|
|
#include "wtf/Compiler.h"
|
|
#include "wtf/OwnPtr.h"
|
|
#include "wtf/PassOwnPtr.h"
|
|
|
|
namespace blink {
|
|
|
|
class ExecutionContext;
|
|
|
|
class DOMTimer final : public SuspendableTimer {
|
|
public:
|
|
// Creates a new timer owned by the ExecutionContext, starts it and returns its ID.
|
|
static int install(ExecutionContext*, PassOwnPtr<ScheduledAction>, int timeout, bool singleShot);
|
|
static void removeByID(ExecutionContext*, int timeoutID);
|
|
|
|
virtual ~DOMTimer();
|
|
|
|
int timeoutID() const;
|
|
|
|
// ActiveDOMObject
|
|
virtual void contextDestroyed() override;
|
|
virtual void stop() override;
|
|
|
|
// The following are essentially constants. All intervals are in seconds.
|
|
static double hiddenPageAlignmentInterval();
|
|
static double visiblePageAlignmentInterval();
|
|
|
|
private:
|
|
friend class ExecutionContext; // For create().
|
|
|
|
// Should only be used by ExecutionContext.
|
|
static PassOwnPtr<DOMTimer> create(ExecutionContext* context, PassOwnPtr<ScheduledAction> action, int timeout, bool singleShot, int timeoutID)
|
|
{
|
|
return adoptPtr(new DOMTimer(context, action, timeout, singleShot, timeoutID));
|
|
}
|
|
|
|
DOMTimer(ExecutionContext*, PassOwnPtr<ScheduledAction>, int interval, bool singleShot, int timeoutID);
|
|
virtual void fired() override;
|
|
|
|
// Retuns timer fire time rounded to the next multiple of timer alignment interval.
|
|
virtual double alignedFireTime(double) const override;
|
|
|
|
int m_timeoutID;
|
|
int m_nestingLevel;
|
|
OwnPtr<ScheduledAction> m_action;
|
|
RefPtr<UserGestureToken> m_userGestureToken;
|
|
};
|
|
|
|
} // namespace blink
|
|
|
|
#endif // DOMTimer_h
|