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#include "modules/EventTargetModules.h" 35#include "platform/heap/Handle.h" 36#include "wtf/Vector.h" 37 38namespace blink { 39 40class SourceBuffer; 41class GenericEventQueue; 42 43class SourceBufferList FINAL : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<SourceBufferList>, public EventTargetWithInlineData { 44 DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<SourceBufferList>); 45 DEFINE_WRAPPERTYPEINFO(); 46 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SourceBufferList); 47public: 48 static SourceBufferList* create(ExecutionContext* context, GenericEventQueue* asyncEventQueue) 49 { 50 return adoptRefCountedGarbageCollectedWillBeNoop(new SourceBufferList(context, asyncEventQueue)); 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(SourceBuffer*); 58 void insert(size_t position, SourceBuffer*); 59 void remove(SourceBuffer*); 60 size_t find(SourceBuffer* buffer) { return m_list.find(buffer); } 61 bool contains(SourceBuffer* buffer) { return m_list.find(buffer) != kNotFound; } 62 void clear(); 63 64 // EventTarget interface 65 virtual const AtomicString& interfaceName() const OVERRIDE; 66 virtual ExecutionContext* executionContext() const OVERRIDE; 67 68 virtual void trace(Visitor*) OVERRIDE; 69 70private: 71 SourceBufferList(ExecutionContext*, GenericEventQueue*); 72 73 void scheduleEvent(const AtomicString&); 74 75 ExecutionContext* m_executionContext; 76 GenericEventQueue* m_asyncEventQueue; 77 78 HeapVector<Member<SourceBuffer> > m_list; 79}; 80 81} // namespace blink 82 83#endif // SourceBufferList_h 84