blob: e34c2c22af73f099bd4ad24006aea91e09d26ad0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ScrollbarLayerChromium_h
#define ScrollbarLayerChromium_h
#if USE(ACCELERATED_COMPOSITING)
#include "LayerChromium.h"
#if defined(OS_CHROMEOS)
#include "caching_bitmap_canvas_layer_texture_updater.h"
#else
#include "BitmapCanvasLayerTextureUpdater.h"
#endif
#include <public/WebScrollbar.h>
#include <public/WebScrollbarThemeGeometry.h>
#include <public/WebScrollbarThemePainter.h>
namespace cc {
class Scrollbar;
class ScrollbarThemeComposite;
class CCTextureUpdateQueue;
#if defined(OS_CHROMEOS)
typedef CachingBitmapCanvasLayerTextureUpdater ScrollLayerTextureUpdater;
#else
typedef BitmapCanvasLayerTextureUpdater ScrollLayerTextureUpdater;
#endif
class ScrollbarLayerChromium : public LayerChromium {
public:
virtual PassOwnPtr<CCLayerImpl> createCCLayerImpl() OVERRIDE;
static scoped_refptr<ScrollbarLayerChromium> create(PassOwnPtr<WebKit::WebScrollbar>, WebKit::WebScrollbarThemePainter, PassOwnPtr<WebKit::WebScrollbarThemeGeometry>, int scrollLayerId);
// LayerChromium interface
virtual bool needsContentsScale() const OVERRIDE;
virtual IntSize contentBounds() const OVERRIDE;
virtual void setTexturePriorities(const CCPriorityCalculator&) OVERRIDE;
virtual void update(CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&) OVERRIDE;
virtual void setLayerTreeHost(CCLayerTreeHost*) OVERRIDE;
virtual void pushPropertiesTo(CCLayerImpl*) OVERRIDE;
int scrollLayerId() const { return m_scrollLayerId; }
void setScrollLayerId(int id) { m_scrollLayerId = id; }
virtual ScrollbarLayerChromium* toScrollbarLayerChromium() OVERRIDE;
protected:
ScrollbarLayerChromium(PassOwnPtr<WebKit::WebScrollbar>, WebKit::WebScrollbarThemePainter, PassOwnPtr<WebKit::WebScrollbarThemeGeometry>, int scrollLayerId);
virtual ~ScrollbarLayerChromium();
private:
void updatePart(ScrollLayerTextureUpdater*, LayerTextureUpdater::Texture*, const IntRect&, CCTextureUpdateQueue&, CCRenderingStats&);
void createTextureUpdaterIfNeeded();
OwnPtr<WebKit::WebScrollbar> m_scrollbar;
WebKit::WebScrollbarThemePainter m_painter;
OwnPtr<WebKit::WebScrollbarThemeGeometry> m_geometry;
int m_scrollLayerId;
GC3Denum m_textureFormat;
RefPtr<ScrollLayerTextureUpdater> m_backTrackUpdater;
RefPtr<ScrollLayerTextureUpdater> m_foreTrackUpdater;
RefPtr<ScrollLayerTextureUpdater> m_thumbUpdater;
// All the parts of the scrollbar except the thumb
OwnPtr<LayerTextureUpdater::Texture> m_backTrack;
OwnPtr<LayerTextureUpdater::Texture> m_foreTrack;
OwnPtr<LayerTextureUpdater::Texture> m_thumb;
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif
|
