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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// Copyright 2013 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.
#include "cc/layers/solid_color_scrollbar_layer.h"
#include "base/memory/scoped_ptr.h"
#include "cc/layers/layer_impl.h"
#include "cc/layers/solid_color_scrollbar_layer_impl.h"
namespace cc {
scoped_ptr<LayerImpl> SolidColorScrollbarLayer::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
const bool kIsOverlayScrollbar = true;
return SolidColorScrollbarLayerImpl::Create(tree_impl,
id(),
orientation(),
thumb_thickness_,
track_start_,
is_left_side_vertical_scrollbar_,
kIsOverlayScrollbar)
.PassAs<LayerImpl>();
}
scoped_refptr<SolidColorScrollbarLayer> SolidColorScrollbarLayer::Create(
ScrollbarOrientation orientation,
int thumb_thickness,
int track_start,
bool is_left_side_vertical_scrollbar,
int scroll_layer_id) {
return make_scoped_refptr(
new SolidColorScrollbarLayer(orientation,
thumb_thickness,
track_start,
is_left_side_vertical_scrollbar,
scroll_layer_id));
}
SolidColorScrollbarLayer::SolidColorScrollbarLayer(
ScrollbarOrientation orientation,
int thumb_thickness,
int track_start,
bool is_left_side_vertical_scrollbar,
int scroll_layer_id)
: scroll_layer_id_(Layer::INVALID_ID),
clip_layer_id_(scroll_layer_id),
orientation_(orientation),
thumb_thickness_(thumb_thickness),
track_start_(track_start),
is_left_side_vertical_scrollbar_(is_left_side_vertical_scrollbar) {}
SolidColorScrollbarLayer::~SolidColorScrollbarLayer() {}
ScrollbarLayerInterface* SolidColorScrollbarLayer::ToScrollbarLayer() {
return this;
}
void SolidColorScrollbarLayer::PushPropertiesTo(LayerImpl* layer) {
Layer::PushPropertiesTo(layer);
PushScrollClipPropertiesTo(layer);
}
void SolidColorScrollbarLayer::PushScrollClipPropertiesTo(LayerImpl* layer) {
SolidColorScrollbarLayerImpl* scrollbar_layer =
static_cast<SolidColorScrollbarLayerImpl*>(layer);
scrollbar_layer->SetScrollLayerById(scroll_layer_id_);
scrollbar_layer->SetClipLayerById(clip_layer_id_);
}
void SolidColorScrollbarLayer::SetNeedsDisplayRect(const gfx::RectF&) {
// Never needs repaint.
}
bool SolidColorScrollbarLayer::OpacityCanAnimateOnImplThread() const {
return true;
}
int SolidColorScrollbarLayer::ScrollLayerId() const {
return scroll_layer_id_;
}
void SolidColorScrollbarLayer::SetScrollLayer(int layer_id) {
if (layer_id == scroll_layer_id_)
return;
scroll_layer_id_ = layer_id;
SetNeedsFullTreeSync();
}
void SolidColorScrollbarLayer::SetClipLayer(int layer_id) {
if (layer_id == clip_layer_id_)
return;
clip_layer_id_ = layer_id;
SetNeedsFullTreeSync();
}
ScrollbarOrientation SolidColorScrollbarLayer::orientation() const {
return orientation_;
}
} // namespace cc
|
