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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// 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/scrollbar_layer.h"
#include "cc/scrollbar_animation_controller.h"
#include "cc/scrollbar_layer_impl.h"
#include "cc/single_thread_proxy.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_scrollbar_theme_painter.h"
#include "cc/test/fake_web_graphics_context_3d.h"
#include "cc/test/fake_web_scrollbar.h"
#include "cc/test/fake_web_scrollbar_theme_geometry.h"
#include "cc/test/layer_tree_test_common.h"
#include "cc/tree_synchronizer.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebScrollbar.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebScrollbarThemeGeometry.h"
namespace cc {
namespace {
scoped_ptr<LayerImpl> layerImplForScrollAreaAndScrollbar(
FakeLayerTreeHostImpl* host_impl,
scoped_ptr<WebKit::WebScrollbar> scrollbar,
bool reverse_order)
{
scoped_refptr<Layer> layerTreeRoot = Layer::create();
scoped_refptr<Layer> child1 = Layer::create();
scoped_refptr<Layer> child2 = ScrollbarLayer::create(scrollbar.Pass(), FakeScrollbarThemePainter::Create(false).PassAs<ScrollbarThemePainter>(), FakeWebScrollbarThemeGeometry::create(true), child1->id());
layerTreeRoot->addChild(child1);
layerTreeRoot->insertChild(child2, reverse_order ? 0 : 1);
scoped_ptr<LayerImpl> layerImpl = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), scoped_ptr<LayerImpl>(), host_impl->activeTree());
TreeSynchronizer::pushProperties(layerTreeRoot.get(), layerImpl.get());
return layerImpl.Pass();
}
TEST(ScrollbarLayerTest, resolveScrollLayerPointer)
{
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
{
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
scoped_ptr<LayerImpl> layerImplTreeRoot = layerImplForScrollAreaAndScrollbar(&hostImpl, scrollbar.Pass(), false);
LayerImpl* ccChild1 = layerImplTreeRoot->children()[0];
ScrollbarLayerImpl* ccChild2 = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
EXPECT_EQ(ccChild1->horizontalScrollbarLayer(), ccChild2);
}
{ // another traverse order
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
scoped_ptr<LayerImpl> layerImplTreeRoot = layerImplForScrollAreaAndScrollbar(&hostImpl, scrollbar.Pass(), true);
ScrollbarLayerImpl* ccChild1 = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[0]);
LayerImpl* ccChild2 = layerImplTreeRoot->children()[1];
EXPECT_EQ(ccChild2->horizontalScrollbarLayer(), ccChild1);
}
}
TEST(ScrollbarLayerTest, shouldScrollNonOverlayOnMainThread)
{
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
// Create and attach a non-overlay scrollbar.
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
static_cast<FakeWebScrollbar*>(scrollbar.get())->setOverlay(false);
scoped_ptr<LayerImpl> layerImplTreeRoot = layerImplForScrollAreaAndScrollbar(&hostImpl, scrollbar.Pass(), false);
ScrollbarLayerImpl* scrollbarLayerImpl = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
// When the scrollbar is not an overlay scrollbar, the scroll should be
// responded to on the main thread as the compositor does not yet implement
// scrollbar scrolling.
EXPECT_EQ(InputHandlerClient::ScrollOnMainThread, scrollbarLayerImpl->tryScroll(gfx::Point(0, 0), InputHandlerClient::Gesture));
// Create and attach an overlay scrollbar.
scrollbar = FakeWebScrollbar::create();
static_cast<FakeWebScrollbar*>(scrollbar.get())->setOverlay(true);
layerImplTreeRoot = layerImplForScrollAreaAndScrollbar(&hostImpl, scrollbar.Pass(), false);
scrollbarLayerImpl = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
// The user shouldn't be able to drag an overlay scrollbar and the scroll
// may be handled in the compositor.
EXPECT_EQ(InputHandlerClient::ScrollIgnored, scrollbarLayerImpl->tryScroll(gfx::Point(0, 0), InputHandlerClient::Gesture));
}
TEST(ScrollbarLayerTest, scrollOffsetSynchronization)
{
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
scoped_refptr<Layer> layerTreeRoot = Layer::create();
scoped_refptr<Layer> contentLayer = Layer::create();
scoped_refptr<Layer> scrollbarLayer = ScrollbarLayer::create(scrollbar.Pass(), FakeScrollbarThemePainter::Create(false).PassAs<ScrollbarThemePainter>(), FakeWebScrollbarThemeGeometry::create(true), layerTreeRoot->id());
layerTreeRoot->addChild(contentLayer);
layerTreeRoot->addChild(scrollbarLayer);
layerTreeRoot->setScrollOffset(gfx::Vector2d(10, 20));
layerTreeRoot->setMaxScrollOffset(gfx::Vector2d(30, 50));
layerTreeRoot->setBounds(gfx::Size(100, 200));
contentLayer->setBounds(gfx::Size(100, 200));
scoped_ptr<LayerImpl> layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), scoped_ptr<LayerImpl>(), hostImpl.activeTree());
TreeSynchronizer::pushProperties(layerTreeRoot.get(), layerImplTreeRoot.get());
ScrollbarLayerImpl* ccScrollbarLayer = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
EXPECT_EQ(10, ccScrollbarLayer->currentPos());
EXPECT_EQ(100, ccScrollbarLayer->totalSize());
EXPECT_EQ(30, ccScrollbarLayer->maximum());
layerTreeRoot->setScrollOffset(gfx::Vector2d(100, 200));
layerTreeRoot->setMaxScrollOffset(gfx::Vector2d(300, 500));
layerTreeRoot->setBounds(gfx::Size(1000, 2000));
contentLayer->setBounds(gfx::Size(1000, 2000));
ScrollbarAnimationController* scrollbarController = layerImplTreeRoot->scrollbarAnimationController();
layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), layerImplTreeRoot.Pass(), hostImpl.activeTree());
TreeSynchronizer::pushProperties(layerTreeRoot.get(), layerImplTreeRoot.get());
EXPECT_EQ(scrollbarController, layerImplTreeRoot->scrollbarAnimationController());
EXPECT_EQ(100, ccScrollbarLayer->currentPos());
EXPECT_EQ(1000, ccScrollbarLayer->totalSize());
EXPECT_EQ(300, ccScrollbarLayer->maximum());
layerImplTreeRoot->scrollBy(gfx::Vector2d(12, 34));
EXPECT_EQ(112, ccScrollbarLayer->currentPos());
EXPECT_EQ(1000, ccScrollbarLayer->totalSize());
EXPECT_EQ(300, ccScrollbarLayer->maximum());
}
class ScrollbarLayerTestMaxTextureSize : public ThreadedTest {
public:
ScrollbarLayerTestMaxTextureSize() {}
void setScrollbarBounds(gfx::Size bounds) {
m_bounds = bounds;
}
virtual void beginTest() OVERRIDE
{
m_layerTreeHost->initializeRendererIfNeeded();
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
m_scrollbarLayer = ScrollbarLayer::create(scrollbar.Pass(), FakeScrollbarThemePainter::Create(false).PassAs<ScrollbarThemePainter>(), FakeWebScrollbarThemeGeometry::create(true), 1);
m_scrollbarLayer->setLayerTreeHost(m_layerTreeHost.get());
m_scrollbarLayer->setBounds(m_bounds);
m_layerTreeHost->rootLayer()->addChild(m_scrollbarLayer);
m_scrollLayer = Layer::create();
m_scrollbarLayer->setScrollLayerId(m_scrollLayer->id());
m_layerTreeHost->rootLayer()->addChild(m_scrollLayer);
postSetNeedsCommitToMainThread();
}
virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
{
const int kMaxTextureSize = impl->rendererCapabilities().maxTextureSize;
// Check first that we're actually testing something.
EXPECT_GT(m_scrollbarLayer->bounds().width(), kMaxTextureSize);
EXPECT_EQ(m_scrollbarLayer->contentBounds().width(), kMaxTextureSize - 1);
EXPECT_EQ(m_scrollbarLayer->contentBounds().height(), kMaxTextureSize - 1);
endTest();
}
virtual void afterTest() OVERRIDE
{
}
private:
scoped_refptr<ScrollbarLayer> m_scrollbarLayer;
scoped_refptr<Layer> m_scrollLayer;
gfx::Size m_bounds;
};
TEST_F(ScrollbarLayerTestMaxTextureSize, runTest) {
scoped_ptr<FakeWebGraphicsContext3D> context = FakeWebGraphicsContext3D::Create();
int max_size = 0;
context->getIntegerv(GL_MAX_TEXTURE_SIZE, &max_size);
setScrollbarBounds(gfx::Size(max_size + 100, max_size + 100));
runTest(true);
}
} // namespace
} // namespace cc
|
