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
|
// Copyright 2018 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 "ui/aura/window_occlusion_change_builder.h"
#include <memory>
#include "third_party/skia/include/core/SkRegion.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/test/test_windows.h"
namespace aura {
namespace {
// A delegate that remembers the occlusion info of its window.
class OcclusionTrackWindowDelegate : public test::TestWindowDelegate {
public:
OcclusionTrackWindowDelegate() = default;
~OcclusionTrackWindowDelegate() override = default;
void set_window(Window* window) { window_ = window; }
bool occlusion_change_count() const { return occlusion_change_count_; }
Window::OcclusionState last_occlusion_state() const {
return last_occlusion_state_;
}
const SkRegion& last_occluded_region() const { return last_occluded_region_; }
private:
// test::TestWindowDelegate:
void OnWindowOcclusionChanged(
Window::OcclusionState occlusion_state) override {
++occlusion_change_count_;
last_occlusion_state_ = occlusion_state;
last_occluded_region_ = window_->occluded_region_in_root();
}
Window* window_ = nullptr;
int occlusion_change_count_ = 0;
Window::OcclusionState last_occlusion_state_ =
Window::OcclusionState::UNKNOWN;
SkRegion last_occluded_region_;
DISALLOW_COPY_AND_ASSIGN(OcclusionTrackWindowDelegate);
};
} // namespace
class WindowOcclusionChangeBuilderTest : public test::AuraTestBase {
public:
WindowOcclusionChangeBuilderTest() = default;
~WindowOcclusionChangeBuilderTest() override = default;
std::unique_ptr<Window> CreateTestWindow(
OcclusionTrackWindowDelegate* delegate) {
auto window = std::make_unique<Window>(delegate);
delegate->set_window(window.get());
window->set_owned_by_parent(false);
window->SetType(client::WINDOW_TYPE_NORMAL);
window->Init(ui::LAYER_TEXTURED);
window->Show();
root_window()->AddChild(window.get());
return window;
}
private:
DISALLOW_COPY_AND_ASSIGN(WindowOcclusionChangeBuilderTest);
};
// Test that window occlusion info is updated after commit.
TEST_F(WindowOcclusionChangeBuilderTest, SingleWindow) {
SkRegion region;
region.setRect({1, 2, 3, 4});
for (const auto state :
{Window::OcclusionState::VISIBLE, Window::OcclusionState::OCCLUDED,
Window::OcclusionState::HIDDEN}) {
OcclusionTrackWindowDelegate delegate;
auto window = CreateTestWindow(&delegate);
auto builder = WindowOcclusionChangeBuilder::Create();
builder->Add(window.get(), state, region);
// Change should not be applied before Commit call.
EXPECT_EQ(0, delegate.occlusion_change_count());
// All changes are committed when builder is released.
builder.reset();
EXPECT_EQ(1, delegate.occlusion_change_count());
EXPECT_EQ(state, delegate.last_occlusion_state());
EXPECT_EQ(region, delegate.last_occluded_region());
}
}
// Test updating multiple windows.
TEST_F(WindowOcclusionChangeBuilderTest, MultipleWindow) {
auto builder = WindowOcclusionChangeBuilder::Create();
OcclusionTrackWindowDelegate delegate1;
auto window1 = CreateTestWindow(&delegate1);
const Window::OcclusionState state1 = Window::OcclusionState::VISIBLE;
SkRegion region1;
region1.setRect({1, 2, 3, 4});
builder->Add(window1.get(), state1, region1);
OcclusionTrackWindowDelegate delegate2;
auto window2 = CreateTestWindow(&delegate2);
const Window::OcclusionState state2 = Window::OcclusionState::OCCLUDED;
SkRegion region2;
region2.setRect({5, 6, 7, 8});
builder->Add(window2.get(), state2, region2);
// Changes should not be applied before Commit call.
EXPECT_EQ(0, delegate1.occlusion_change_count());
EXPECT_EQ(0, delegate2.occlusion_change_count());
// All changes are committed when builder is released.
builder.reset();
EXPECT_EQ(1, delegate1.occlusion_change_count());
EXPECT_EQ(state1, delegate1.last_occlusion_state());
EXPECT_EQ(region1, delegate1.last_occluded_region());
EXPECT_EQ(1, delegate2.occlusion_change_count());
EXPECT_EQ(state2, delegate2.last_occlusion_state());
EXPECT_EQ(region2, delegate2.last_occluded_region());
}
// Tests that the last change wins when there are multiple changes on the same
// window.
TEST_F(WindowOcclusionChangeBuilderTest, MultipleChanges) {
OcclusionTrackWindowDelegate delegate;
auto window = CreateTestWindow(&delegate);
auto builder = WindowOcclusionChangeBuilder::Create();
builder->Add(window.get(), Window::OcclusionState::VISIBLE, SkRegion());
builder->Add(window.get(), Window::OcclusionState::HIDDEN, SkRegion());
SkRegion region;
region.setRect({1, 2, 3, 4});
builder->Add(window.get(), Window::OcclusionState::OCCLUDED, region);
// All changes are committed when builder is released.
builder.reset();
EXPECT_EQ(1, delegate.occlusion_change_count());
EXPECT_EQ(Window::OcclusionState::OCCLUDED, delegate.last_occlusion_state());
EXPECT_EQ(region, delegate.last_occluded_region());
}
// Test that occlusion info is not updated if window is destroyed before commit.
TEST_F(WindowOcclusionChangeBuilderTest, DestroyBeforeCommit) {
OcclusionTrackWindowDelegate delegate;
auto window = CreateTestWindow(&delegate);
auto builder = WindowOcclusionChangeBuilder::Create();
builder->Add(window.get(), Window::OcclusionState::VISIBLE, SkRegion());
// Destroy window before applying the changes.
window.reset();
// All changes are committed when builder is released.
builder.reset();
// Occlusion info is not updated.
EXPECT_EQ(0, delegate.occlusion_change_count());
}
} // namespace aura
|
