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 "bindings/v8/ScriptWrappable.h" 35 #include "modules/EventTargetModules.h" 36 #include "platform/heap/Handle.h" 37 #include "wtf/RefCounted.h" 38 #include "wtf/Vector.h" 39 40 namespace WebCore { 41 42 class SourceBuffer; 43 class GenericEventQueue; 44 45 class SourceBufferList FINAL : public RefCountedWillBeRefCountedGarbageCollected<SourceBufferList>, public ScriptWrappable, public EventTargetWithInlineData { 46 REFCOUNTED_EVENT_TARGET(SourceBufferList); 47 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SourceBufferList); 48 public: create(ExecutionContext * context,GenericEventQueue * asyncEventQueue)49 static PassRefPtrWillBeRawPtr<SourceBufferList> create(ExecutionContext* context, GenericEventQueue* asyncEventQueue) 50 { 51 return adoptRefWillBeRefCountedGarbageCollected(new SourceBufferList(context, asyncEventQueue)); 52 } 53 virtual ~SourceBufferList(); 54 length()55 unsigned long length() const { return m_list.size(); } item(unsigned long index)56 SourceBuffer* item(unsigned long index) const { return (index < m_list.size()) ? m_list[index].get() : 0; } 57 58 void add(PassRefPtrWillBeRawPtr<SourceBuffer>); 59 void remove(SourceBuffer*); contains(SourceBuffer * buffer)60 bool contains(SourceBuffer* buffer) { return m_list.find(buffer) != kNotFound; } 61 void clear(); 62 63 // EventTarget interface 64 virtual const AtomicString& interfaceName() const OVERRIDE; 65 virtual ExecutionContext* executionContext() const OVERRIDE; 66 67 virtual void trace(Visitor*) OVERRIDE; 68 69 private: 70 SourceBufferList(ExecutionContext*, GenericEventQueue*); 71 72 void scheduleEvent(const AtomicString&); 73 74 ExecutionContext* m_executionContext; 75 GenericEventQueue* m_asyncEventQueue; 76 77 WillBeHeapVector<RefPtrWillBeMember<SourceBuffer> > m_list; 78 }; 79 80 } // namespace WebCore 81 82 #endif 83