| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_DOM_TIMER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_DOM_TIMER_H_ |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "third_party/blink/renderer/bindings/core/v8/scheduled_action.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/dom/user_gesture_indicator.h" |
| #include "third_party/blink/renderer/core/frame/pausable_timer.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| |
| namespace blink { |
| |
| class ExecutionContext; |
| |
| class CORE_EXPORT DOMTimer final : public GarbageCollectedFinalized<DOMTimer>, |
| public PausableTimer { |
| USING_GARBAGE_COLLECTED_MIXIN(DOMTimer); |
| |
| public: |
| // Creates a new timer owned by the ExecutionContext, starts it and returns |
| // its ID. |
| static int Install(ExecutionContext*, |
| ScheduledAction*, |
| TimeDelta timeout, |
| bool single_shot); |
| static void RemoveByID(ExecutionContext*, int timeout_id); |
| |
| DOMTimer(ExecutionContext*, |
| ScheduledAction*, |
| TimeDelta interval, |
| bool single_shot, |
| int timeout_id); |
| ~DOMTimer() override; |
| |
| // PausableObject |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| // Eager finalization is needed to promptly stop this Timer object. |
| // Otherwise timer events might fire at an object that's slated for |
| // destruction (when lazily swept), but some of its members (m_action) may |
| // already have been finalized & must not be accessed. |
| EAGERLY_FINALIZE(); |
| void Trace(blink::Visitor*) override; |
| |
| void Stop() override; |
| |
| private: |
| friend class DOMTimerCoordinator; // For create(). |
| |
| static DOMTimer* Create(ExecutionContext* context, |
| ScheduledAction* action, |
| TimeDelta timeout, |
| bool single_shot, |
| int timeout_id) { |
| return MakeGarbageCollected<DOMTimer>(context, action, timeout, single_shot, |
| timeout_id); |
| } |
| |
| void Fired() override; |
| |
| scoped_refptr<base::SingleThreadTaskRunner> TimerTaskRunner() const override; |
| |
| int timeout_id_; |
| int nesting_level_; |
| Member<ScheduledAction> action_; |
| scoped_refptr<UserGestureToken> user_gesture_token_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_DOM_TIMER_H_ |