| /* |
| * 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/v8/ScheduledAction.h" |
| #include "core/dom/UserGestureIndicator.h" |
| #include "core/page/SuspendableTimer.h" |
| #include "wtf/Compiler.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| |
| namespace WebCore { |
| |
| class ScriptExecutionContext; |
| |
| class DOMTimer : public SuspendableTimer { |
| public: |
| // Creates a new timer owned by the ScriptExecutionContext, starts it and returns its ID. |
| static int install(ScriptExecutionContext*, PassOwnPtr<ScheduledAction>, int timeout, bool singleShot); |
| static void removeByID(ScriptExecutionContext*, 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 ScriptExecutionContext; // For create(). |
| |
| // Should only be used by ScriptExecutionContext. |
| static PassOwnPtr<DOMTimer> create(ScriptExecutionContext* context, PassOwnPtr<ScheduledAction> action, int timeout, bool singleShot, int timeoutID) |
| { |
| return adoptPtr(new DOMTimer(context, action, timeout, singleShot, timeoutID)); |
| } |
| |
| DOMTimer(ScriptExecutionContext*, PassOwnPtr<ScheduledAction>, int interval, bool singleShot, int timeoutID); |
| virtual void fired(); |
| |
| // Retuns timer fire time rounded to the next multiple of timer alignment interval. |
| virtual double alignedFireTime(double) const; |
| |
| int m_timeoutID; |
| int m_nestingLevel; |
| OwnPtr<ScheduledAction> m_action; |
| RefPtr<UserGestureToken> m_userGestureToken; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // DOMTimer_h |