1/*
2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
4 * Copyright (C) 2008-2009 Torch Mobile, Inc.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef FrameData_h
29#define FrameData_h
30
31#include "platform/graphics/ImageOrientation.h"
32#include "wtf/Noncopyable.h"
33#include "wtf/RefPtr.h"
34#include "wtf/VectorTraits.h"
35
36namespace WebCore {
37struct FrameData;
38}
39
40namespace WTF {
41template<> struct VectorTraits<WebCore::FrameData> : public SimpleClassVectorTraits {
42    static const bool canInitializeWithMemset = false; // Not all FrameData members initialize to 0.
43};
44}
45
46namespace WebCore {
47
48class NativeImageSkia;
49
50struct FrameData {
51    WTF_MAKE_NONCOPYABLE(FrameData);
52public:
53    FrameData();
54    ~FrameData();
55
56    // Clear the cached image data on the frame, and (optionally) the metadata.
57    // Returns whether there was cached image data to clear.
58    bool clear(bool clearMetadata);
59
60    RefPtr<NativeImageSkia> m_frame;
61    ImageOrientation m_orientation;
62    float m_duration;
63    bool m_haveMetadata : 1;
64    bool m_isComplete : 1;
65    bool m_hasAlpha : 1;
66    unsigned m_frameBytes;
67};
68
69} // namespace WebCore
70
71#endif // FrameData_h
72