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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/accessibility/magnifier/partial_magnifier_controller.h"
#include "ash/accessibility/magnifier/fullscreen_magnifier_controller.h"
#include "ash/accessibility/magnifier/magnifier_glass.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "base/memory/raw_ptr.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/screen.h"
#include "ui/events/test/event_generator.h"
#include "ui/views/widget/widget.h"
namespace ash {
// Wrapper for PartialMagnifierController that exposes internal state to
// test functions.
class PartialMagnifierControllerTestApi {
public:
explicit PartialMagnifierControllerTestApi(
PartialMagnifierController* controller)
: controller_(controller) {}
~PartialMagnifierControllerTestApi() = default;
bool is_enabled() const { return controller_->is_enabled_; }
bool is_active() const { return controller_->is_active_; }
views::Widget* host_widget() const {
return controller_->magnifier_glass_->host_widget_;
}
gfx::Point GetWidgetOrigin() const {
return host_widget()->GetWindowBoundsInScreen().origin();
}
aura::Window* GetWidgetRootWindow() const {
return host_widget()->GetNativeView()->GetRootWindow();
}
gfx::Point GetWidgetRootOrigin() const {
return GetWidgetRootWindow()->GetBoundsInScreen().origin();
}
private:
raw_ptr<PartialMagnifierController> controller_;
};
class PartialMagnifierControllerTest : public AshTestBase {
public:
PartialMagnifierControllerTest() = default;
~PartialMagnifierControllerTest() override = default;
void SetUp() override {
AshTestBase::SetUp();
Shell::Get()->display_manager()->UpdateDisplays();
}
protected:
PartialMagnifierController* GetController() const {
return Shell::Get()->partial_magnifier_controller();
}
PartialMagnifierControllerTestApi GetTestApi() const {
return PartialMagnifierControllerTestApi(
Shell::Get()->partial_magnifier_controller());
}
};
// The magnifier should not show up immediately after being enabled.
TEST_F(PartialMagnifierControllerTest, InactiveByDefault) {
GetController()->SetEnabled(true);
EXPECT_FALSE(GetTestApi().is_active());
EXPECT_FALSE(GetTestApi().host_widget());
}
// The magnifier should show up only after a pointer is pressed while enabled.
TEST_F(PartialMagnifierControllerTest, ActiveOnPointerDown) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->EnterPenPointerMode();
// While disabled no magnifier shows up.
event_generator->PressTouch();
EXPECT_FALSE(GetTestApi().is_active());
EXPECT_FALSE(GetTestApi().host_widget());
event_generator->ReleaseTouch();
// While enabled the magnifier is only active while the pointer is down.
GetController()->SetEnabled(true);
event_generator->PressTouch();
EXPECT_TRUE(GetTestApi().is_active());
EXPECT_TRUE(GetTestApi().host_widget());
event_generator->ReleaseTouch();
EXPECT_FALSE(GetTestApi().is_active());
EXPECT_FALSE(GetTestApi().host_widget());
}
// The magnifier should disappear after a pointer is cancelled while enabled.
TEST_F(PartialMagnifierControllerTest, InactiveOnPointerCancelled) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->EnterPenPointerMode();
// While enabled the magnifier is disactivated when the pointer is cancelled.
GetController()->SetEnabled(true);
event_generator->PressTouch();
EXPECT_TRUE(GetTestApi().is_active());
EXPECT_TRUE(GetTestApi().host_widget());
event_generator->CancelTouch();
EXPECT_FALSE(GetTestApi().is_active());
EXPECT_FALSE(GetTestApi().host_widget());
}
// Verifies that nothing bad happens if a second display is disconnected while
// the magnifier is active.
TEST_F(PartialMagnifierControllerTest, MultipleDisplays) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->EnterPenPointerMode();
// Active magnifier with two displays, move it to the second display.
UpdateDisplay("800x600,800x600");
GetController()->SetEnabled(true);
event_generator->PressTouch();
event_generator->MoveTouch(gfx::Point(1200, 300));
EXPECT_TRUE(GetTestApi().is_active());
EXPECT_TRUE(GetTestApi().host_widget());
// Disconnect the second display, verify that magnifier is still active.
UpdateDisplay("800x600");
GetController()->SwitchTargetRootWindowIfNeeded(
Shell::GetPrimaryRootWindow());
EXPECT_TRUE(GetTestApi().is_active());
EXPECT_TRUE(GetTestApi().host_widget());
}
// Turning the magnifier off while it is active destroys the window.
TEST_F(PartialMagnifierControllerTest, DisablingDisablesActive) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->EnterPenPointerMode();
GetController()->SetEnabled(true);
event_generator->PressTouch();
EXPECT_TRUE(GetTestApi().is_active());
GetController()->SetEnabled(false);
EXPECT_FALSE(GetTestApi().is_active());
EXPECT_FALSE(GetTestApi().host_widget());
}
// The magnifier only activates for pointer events.
TEST_F(PartialMagnifierControllerTest, ActivatesOnlyForPointer) {
GetController()->SetEnabled(true);
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->PressTouch();
EXPECT_FALSE(GetTestApi().is_active());
}
// The magnifier is always located at pointer.
TEST_F(PartialMagnifierControllerTest, MagnifierFollowsPointer) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->EnterPenPointerMode();
GetController()->SetEnabled(true);
// The window does not have to be centered on the press; compute the initial
// window placement offset. Use a Vector2d for the + operator overload.
event_generator->PressTouch();
gfx::Vector2d offset(GetTestApi().GetWidgetOrigin().x(),
GetTestApi().GetWidgetOrigin().y());
// Move the pointer around, make sure the window follows it.
event_generator->MoveTouch(gfx::Point(32, 32));
EXPECT_EQ(event_generator->current_screen_location() + offset,
GetTestApi().GetWidgetOrigin());
event_generator->MoveTouch(gfx::Point(0, 10));
EXPECT_EQ(event_generator->current_screen_location() + offset,
GetTestApi().GetWidgetOrigin());
event_generator->MoveTouch(gfx::Point(10, 0));
EXPECT_EQ(event_generator->current_screen_location() + offset,
GetTestApi().GetWidgetOrigin());
event_generator->ReleaseTouch();
// Make sure the window is initially placed correctly.
event_generator->set_current_screen_location(gfx::Point(50, 20));
EXPECT_FALSE(GetTestApi().is_active());
event_generator->PressTouch();
EXPECT_EQ(event_generator->current_screen_location() + offset,
GetTestApi().GetWidgetOrigin());
}
// The magnifier appears on the root window associated with the
// correct display.
TEST_F(PartialMagnifierControllerTest, MagnifierAppearsCorrectDisplay) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
event_generator->EnterPenPointerMode();
UpdateDisplay("800x600,800x600");
GetController()->SetEnabled(true);
display::Screen* screen = display::Screen::GetScreen();
event_generator->PressTouch(gfx::Point(400, 300));
EXPECT_EQ(GetPrimaryDisplay(),
screen->GetDisplayNearestPoint(GetTestApi().GetWidgetRootOrigin()));
event_generator->ReleaseTouch();
event_generator->PressTouch(gfx::Point(1200, 300));
EXPECT_EQ(GetSecondaryDisplay(),
screen->GetDisplayNearestPoint(GetTestApi().GetWidgetRootOrigin()));
}
// The magnifier appears under the pen, not the mouse.
TEST_F(PartialMagnifierControllerTest, MagnifierAppearsUnderPen) {
ui::test::EventGenerator* event_generator = GetEventGenerator();
UpdateDisplay("800x600,800x600");
GetController()->SetEnabled(true);
display::Screen* screen = display::Screen::GetScreen();
// Hold pen on primary; use mouse to move pointer to secondary
event_generator->EnterPenPointerMode();
event_generator->PressTouch(gfx::Point(400, 300));
event_generator->ExitPenPointerMode();
event_generator->MoveMouseTo(gfx::Point(1200, 300));
EXPECT_EQ(GetPrimaryDisplay(),
screen->GetDisplayNearestPoint(GetTestApi().GetWidgetRootOrigin()));
// Pen must be lifted before it is touched to the next display.
event_generator->EnterPenPointerMode();
event_generator->ReleaseTouch();
event_generator->ExitPenPointerMode();
// Hold pen on secondary; use mouse to move pointer to primary
event_generator->EnterPenPointerMode();
event_generator->PressTouch(gfx::Point(1200, 300));
event_generator->ExitPenPointerMode();
event_generator->MoveMouseTo(gfx::Point(400, 300));
EXPECT_EQ(GetSecondaryDisplay(),
screen->GetDisplayNearestPoint(GetTestApi().GetWidgetRootOrigin()));
}
} // namespace ash
|
