blob: cfa2fc390b6ecce70917647ba8efdafa9c14b501 (
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
|
// 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
#include "caching_bitmap_canvas_layer_updater.h"
#include "cc/layer.h"
#include <public/WebScrollbar.h>
#include <public/WebScrollbarThemeGeometry.h>
#include <public/WebScrollbarThemePainter.h>
namespace cc {
class Scrollbar;
class ScrollbarThemeComposite;
class TextureUpdateQueue;
class ScrollbarLayer : public Layer {
public:
virtual scoped_ptr<LayerImpl> createLayerImpl() OVERRIDE;
static scoped_refptr<ScrollbarLayer> create(scoped_ptr<WebKit::WebScrollbar>, WebKit::WebScrollbarThemePainter, scoped_ptr<WebKit::WebScrollbarThemeGeometry>, int scrollLayerId);
// Layer interface
virtual bool needsContentsScale() const OVERRIDE;
virtual IntSize contentBounds() const OVERRIDE;
virtual void setTexturePriorities(const PriorityCalculator&) OVERRIDE;
virtual void update(TextureUpdateQueue&, const OcclusionTracker*, RenderingStats&) OVERRIDE;
virtual void setLayerTreeHost(LayerTreeHost*) OVERRIDE;
virtual void pushPropertiesTo(LayerImpl*) OVERRIDE;
int scrollLayerId() const { return m_scrollLayerId; }
void setScrollLayerId(int id) { m_scrollLayerId = id; }
virtual ScrollbarLayer* toScrollbarLayer() OVERRIDE;
protected:
ScrollbarLayer(scoped_ptr<WebKit::WebScrollbar>, WebKit::WebScrollbarThemePainter, scoped_ptr<WebKit::WebScrollbarThemeGeometry>, int scrollLayerId);
virtual ~ScrollbarLayer();
private:
void updatePart(CachingBitmapCanvasLayerUpdater*, LayerUpdater::Resource*, const IntRect&, TextureUpdateQueue&, RenderingStats&);
void createUpdaterIfNeeded();
scoped_ptr<WebKit::WebScrollbar> m_scrollbar;
WebKit::WebScrollbarThemePainter m_painter;
scoped_ptr<WebKit::WebScrollbarThemeGeometry> m_geometry;
int m_scrollLayerId;
GLenum m_textureFormat;
scoped_refptr<CachingBitmapCanvasLayerUpdater> m_backTrackUpdater;
scoped_refptr<CachingBitmapCanvasLayerUpdater> m_foreTrackUpdater;
scoped_refptr<CachingBitmapCanvasLayerUpdater> m_thumbUpdater;
// All the parts of the scrollbar except the thumb
scoped_ptr<LayerUpdater::Resource> m_backTrack;
scoped_ptr<LayerUpdater::Resource> m_foreTrack;
scoped_ptr<LayerUpdater::Resource> m_thumb;
};
}
#endif
|
