1/* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef SourceBufferList_h 32#define SourceBufferList_h 33 34#if ENABLE(MEDIA_SOURCE) 35 36#include "EventTarget.h" 37#include "GenericEventQueue.h" 38#include "ScriptWrappable.h" 39#include <wtf/RefCounted.h> 40#include <wtf/Vector.h> 41 42namespace WebCore { 43 44class SourceBuffer; 45 46class SourceBufferList final : public RefCounted<SourceBufferList>, public ScriptWrappable, public EventTargetWithInlineData { 47public: 48 static PassRefPtr<SourceBufferList> create(ScriptExecutionContext* context) 49 { 50 return adoptRef(new SourceBufferList(context)); 51 } 52 virtual ~SourceBufferList(); 53 54 unsigned long length() const { return m_list.size(); } 55 SourceBuffer* item(unsigned long index) const { return (index < m_list.size()) ? m_list[index].get() : 0; } 56 57 void add(PassRefPtr<SourceBuffer>); 58 void remove(SourceBuffer*); 59 bool contains(SourceBuffer* buffer) { return m_list.find(buffer) != notFound; } 60 void clear(); 61 void swap(Vector<RefPtr<SourceBuffer>>&); 62 63 Vector<RefPtr<SourceBuffer>>::iterator begin() { return m_list.begin(); } 64 Vector<RefPtr<SourceBuffer>>::iterator end() { return m_list.end(); } 65 66 // EventTarget interface 67 virtual EventTargetInterface eventTargetInterface() const override { return SourceBufferListEventTargetInterfaceType; } 68 virtual ScriptExecutionContext* scriptExecutionContext() const override { return m_scriptExecutionContext; } 69 70 using RefCounted<SourceBufferList>::ref; 71 using RefCounted<SourceBufferList>::deref; 72 73private: 74 explicit SourceBufferList(ScriptExecutionContext*); 75 76 void scheduleEvent(const AtomicString&); 77 78 virtual void refEventTarget() override { ref(); } 79 virtual void derefEventTarget() override { deref(); } 80 81 ScriptExecutionContext* m_scriptExecutionContext; 82 GenericEventQueue m_asyncEventQueue; 83 84 Vector<RefPtr<SourceBuffer>> m_list; 85}; 86 87} // namespace WebCore 88 89#endif 90 91#endif 92