OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (C) 2012 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 | |
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'' AND AN
Y | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
23 */ | |
24 | |
25 #ifndef OpaqueRectTrackingContentLayerDelegate_h | |
26 #define OpaqueRectTrackingContentLayerDelegate_h | |
27 | |
28 #include "public/platform/WebContentLayerClient.h" | |
29 #include "wtf/Noncopyable.h" | |
30 #include "wtf/PassOwnPtr.h" | |
31 | |
32 class SkCanvas; | |
33 | |
34 namespace WebCore { | |
35 | |
36 class GraphicsContext; | |
37 class IntRect; | |
38 | |
39 class GraphicsContextPainter { | |
40 public: | |
41 virtual void paint(GraphicsContext&, const IntRect& clip) = 0; | |
42 | |
43 protected: | |
44 virtual ~GraphicsContextPainter() { } | |
45 }; | |
46 | |
47 class OpaqueRectTrackingContentLayerDelegate : public blink::WebContentLayerClie
nt { | |
48 WTF_MAKE_NONCOPYABLE(OpaqueRectTrackingContentLayerDelegate); | |
49 public: | |
50 explicit OpaqueRectTrackingContentLayerDelegate(GraphicsContextPainter*); | |
51 virtual ~OpaqueRectTrackingContentLayerDelegate(); | |
52 | |
53 // If we know that everything that will be painted through this delegate, th
en we don't bother | |
54 // tracking opaqueness. | |
55 void setOpaque(bool opaque) { m_opaque = opaque; } | |
56 | |
57 // blink::WebContentLayerClient implementation. | |
58 virtual void paintContents(SkCanvas*, const blink::WebRect& clip, bool canPa
intLCDText, blink::WebFloatRect& opaque) OVERRIDE; | |
59 | |
60 private: | |
61 GraphicsContextPainter* m_painter; | |
62 bool m_opaque; | |
63 }; | |
64 | |
65 } | |
66 | |
67 #endif // OpaqueRectTrackingContentLayerDelegate_h | |
OLD | NEW |