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