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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
// 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.
#include "cc/layers/nine_patch_layer.h"
#include "cc/layers/nine_patch_layer_impl.h"
#include "cc/resources/prioritized_resource.h"
#include "cc/resources/resource_update.h"
#include "cc/resources/resource_update_queue.h"
#include "cc/resources/scoped_ui_resource.h"
#include "cc/resources/ui_resource_bitmap.h"
#include "cc/trees/layer_tree_host.h"
namespace cc {
namespace {
class ScopedUIResourceHolder : public NinePatchLayer::UIResourceHolder {
public:
static scoped_ptr<ScopedUIResourceHolder> Create(LayerTreeHost* host,
const SkBitmap& skbitmap) {
return make_scoped_ptr(new ScopedUIResourceHolder(host, skbitmap));
}
virtual UIResourceId id() OVERRIDE { return resource_->id(); }
private:
ScopedUIResourceHolder(LayerTreeHost* host, const SkBitmap& skbitmap) {
resource_ = ScopedUIResource::Create(host, UIResourceBitmap(skbitmap));
}
scoped_ptr<ScopedUIResource> resource_;
};
class SharedUIResourceHolder : public NinePatchLayer::UIResourceHolder {
public:
static scoped_ptr<SharedUIResourceHolder> Create(UIResourceId id) {
return make_scoped_ptr(new SharedUIResourceHolder(id));
}
virtual UIResourceId id() OVERRIDE { return id_; }
private:
explicit SharedUIResourceHolder(UIResourceId id) : id_(id) {}
UIResourceId id_;
};
} // anonymous namespace
NinePatchLayer::UIResourceHolder::~UIResourceHolder() {}
scoped_refptr<NinePatchLayer> NinePatchLayer::Create() {
return make_scoped_refptr(new NinePatchLayer());
}
NinePatchLayer::NinePatchLayer() : fill_center_(false) {}
NinePatchLayer::~NinePatchLayer() {}
scoped_ptr<LayerImpl> NinePatchLayer::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
return NinePatchLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
}
void NinePatchLayer::SetLayerTreeHost(LayerTreeHost* host) {
if (host == layer_tree_host())
return;
Layer::SetLayerTreeHost(host);
// Recreate the resource hold against the new LTH.
RecreateUIResourceHolder();
}
void NinePatchLayer::RecreateUIResourceHolder() {
ui_resource_holder_.reset();
if (!layer_tree_host() || bitmap_.empty())
return;
ui_resource_holder_ =
ScopedUIResourceHolder::Create(layer_tree_host(), bitmap_);
}
void NinePatchLayer::SetBorder(gfx::Rect border) {
if (border == border_)
return;
border_ = border;
SetNeedsCommit();
}
void NinePatchLayer::SetBitmap(const SkBitmap& skbitmap, gfx::Rect aperture) {
image_aperture_ = aperture;
bitmap_ = skbitmap;
// TODO(ccameron): Remove this. This provides the default border that was
// provided before borders were required to be explicitly provided. Once Blink
// fixes its callers to call SetBorder, this can be removed.
SetBorder(gfx::Rect(aperture.x(),
aperture.y(),
skbitmap.width() - aperture.width(),
skbitmap.height() - aperture.height()));
RecreateUIResourceHolder();
SetNeedsCommit();
}
void NinePatchLayer::SetUIResourceId(UIResourceId resource_id,
gfx::Rect aperture) {
if (ui_resource_holder_ && ui_resource_holder_->id() == resource_id &&
image_aperture_ == aperture)
return;
image_aperture_ = aperture;
if (resource_id) {
ui_resource_holder_ = SharedUIResourceHolder::Create(resource_id);
} else {
ui_resource_holder_.reset();
}
SetNeedsCommit();
}
void NinePatchLayer::SetFillCenter(bool fill_center) {
if (fill_center_ == fill_center)
return;
fill_center_ = fill_center;
SetNeedsCommit();
}
bool NinePatchLayer::DrawsContent() const {
return ui_resource_holder_ && ui_resource_holder_->id() &&
Layer::DrawsContent();
}
void NinePatchLayer::PushPropertiesTo(LayerImpl* layer) {
Layer::PushPropertiesTo(layer);
NinePatchLayerImpl* layer_impl = static_cast<NinePatchLayerImpl*>(layer);
if (!ui_resource_holder_) {
layer_impl->SetUIResourceId(0);
} else {
DCHECK(layer_tree_host());
gfx::Size image_size =
layer_tree_host()->GetUIResourceSize(ui_resource_holder_->id());
layer_impl->SetUIResourceId(ui_resource_holder_->id());
layer_impl->SetLayout(image_size, image_aperture_, border_, fill_center_);
}
}
} // namespace cc
|
