1/*
2 * Copyright (C) 2011 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef UpdateInfo_h
27#define UpdateInfo_h
28
29#include "ShareableBitmap.h"
30#include <WebCore/IntRect.h>
31#include <wtf/Noncopyable.h>
32#include <wtf/Vector.h>
33
34namespace IPC {
35class Decoder;
36class Encoder;
37}
38
39namespace WebKit {
40
41class UpdateInfo {
42 WTF_MAKE_NONCOPYABLE(UpdateInfo);
43
44public:
45 UpdateInfo() { }
46 UpdateInfo(UpdateInfo&&) = default;
47 UpdateInfo& operator=(UpdateInfo&&) = default;
48
49 void encode(IPC::Encoder&) const;
50 static bool decode(IPC::Decoder&, UpdateInfo&);
51
52 // The size of the web view.
53 WebCore::IntSize viewSize;
54 float deviceScaleFactor;
55
56 // The rect and delta to be scrolled.
57 WebCore::IntRect scrollRect;
58 WebCore::IntSize scrollOffset;
59
60 // The bounds of the update rects.
61 WebCore::IntRect updateRectBounds;
62
63 // All the update rects, in view coordinates.
64 Vector<WebCore::IntRect> updateRects;
65
66 // The page scale factor used to render this update.
67 float updateScaleFactor;
68
69 // The handle of the shareable bitmap containing the updates. Will be null if there are no updates.
70 ShareableBitmap::Handle bitmapHandle;
71
72 // The offset in the bitmap where the rendered contents are.
73 WebCore::IntPoint bitmapOffset;
74};
75
76} // namespace WebKit
77
78#endif // UpdateInfo_h
79