1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "config.h" 6#include "core/testing/NullExecutionContext.h" 7 8#include "core/dom/ExecutionContextTask.h" 9#include "core/events/Event.h" 10#include "core/frame/DOMTimer.h" 11 12namespace blink { 13 14namespace { 15 16class NullEventQueue FINAL : public EventQueue { 17public: 18 NullEventQueue() { } 19 virtual ~NullEventQueue() { } 20 virtual bool enqueueEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE { return true; } 21 virtual bool cancelEvent(Event*) OVERRIDE { return true; } 22 virtual void close() OVERRIDE { } 23}; 24 25} // namespace 26 27NullExecutionContext::NullExecutionContext() 28 : m_tasksNeedSuspension(false) 29 , m_queue(adoptPtrWillBeNoop(new NullEventQueue())) 30{ 31} 32 33void NullExecutionContext::postTask(PassOwnPtr<ExecutionContextTask>) 34{ 35} 36 37double NullExecutionContext::timerAlignmentInterval() const 38{ 39 return DOMTimer::visiblePageAlignmentInterval(); 40} 41 42} // namespace blink 43