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
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include "ash/accessibility/magnifier/fullscreen_magnifier_controller.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/shell.h"
#include "base/command_line.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "chrome/browser/ash/accessibility/accessibility_feature_browsertest.h"
#include "chrome/browser/ash/accessibility/accessibility_manager.h"
#include "chrome/browser/ash/accessibility/accessibility_test_utils.h"
#include "chrome/browser/ash/accessibility/automation_test_utils.h"
#include "chrome/browser/ash/accessibility/fullscreen_magnifier_test_helper.h"
#include "chrome/browser/ash/accessibility/magnification_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/prefs/pref_service.h"
#include "content/public/test/accessibility_notification_waiter.h"
#include "content/public/test/browser_test.h"
#include "extensions/browser/browsertest_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/accessibility_features.h"
#include "ui/events/event_constants.h"
#include "ui/events/keycodes/keyboard_codes_posix.h"
#include "ui/events/test/event_generator.h"
namespace ash {
namespace {
const char kDataURIPrefix[] = "data:text/html;charset=utf-8,";
const char kTestHtmlContent[] =
"<body style=\"margin-top:0;margin-left:0\">"
"<button type=\"button\" name=\"test_button_1\" id=\"test_button\" "
"style=\"margin-left:0;margin-top:0;width:100;height:50\">"
"Big Button 1</button>"
"</body>";
FullscreenMagnifierController* GetFullscreenMagnifierController() {
return Shell::Get()->fullscreen_magnifier_controller();
}
gfx::Rect GetViewPort() {
return GetFullscreenMagnifierController()->GetViewportRect();
}
} // namespace
class FullscreenMagnifierControllerTest
: public AccessibilityFeatureBrowserTest,
public ::testing::WithParamInterface<ManifestVersion> {
public:
FullscreenMagnifierControllerTest() = default;
FullscreenMagnifierControllerTest(const FullscreenMagnifierControllerTest&) =
delete;
FullscreenMagnifierControllerTest& operator=(
const FullscreenMagnifierControllerTest&) = delete;
~FullscreenMagnifierControllerTest() override = default;
protected:
void SetUpCommandLine(base::CommandLine* command_line) override {
// Make screens sufficiently wide to host 2 browsers side by side.
command_line->AppendSwitchASCII("ash-host-window-bounds", "1200x800");
std::vector<base::test::FeatureRef> enabled_features;
std::vector<base::test::FeatureRef> disabled_features;
enabled_features.push_back(::features::kAccessibilityFaceGaze);
if (GetParam() == ManifestVersion::kTwo) {
disabled_features.push_back(
::features::kAccessibilityManifestV3AccessibilityCommon);
} else if (GetParam() == ManifestVersion::kThree) {
enabled_features.push_back(
::features::kAccessibilityManifestV3AccessibilityCommon);
}
scoped_feature_list_.InitWithFeatures(enabled_features, disabled_features);
AccessibilityFeatureBrowserTest::SetUpCommandLine(command_line);
}
void SetUpOnMainThread() override {
console_observer_ = std::make_unique<ExtensionConsoleErrorObserver>(
GetProfile(), extension_misc::kAccessibilityCommonExtensionId);
aura::Window* root_window = Shell::Get()->GetPrimaryRootWindow();
generator_ = std::make_unique<ui::test::EventGenerator>(root_window);
// Start in a known location, centered on the screen.
helper_ =
std::make_unique<FullscreenMagnifierTestHelper>(gfx::Point(600, 400));
AccessibilityFeatureBrowserTest::SetUpOnMainThread();
}
ui::test::EventGenerator* generator() { return generator_.get(); }
FullscreenMagnifierTestHelper* helper() { return helper_.get(); }
private:
std::unique_ptr<ui::test::EventGenerator> generator_;
std::unique_ptr<FullscreenMagnifierTestHelper> helper_;
std::unique_ptr<ExtensionConsoleErrorObserver> console_observer_;
base::test::ScopedFeatureList scoped_feature_list_;
};
// TODO(crbug.com/388867838): Add manifest v3 variant when migration is
// complete.
INSTANTIATE_TEST_SUITE_P(ManifestV2,
FullscreenMagnifierControllerTest,
::testing::Values(ManifestVersion::kTwo));
IN_PROC_BROWSER_TEST_P(FullscreenMagnifierControllerTest,
FollowFocusOnWebButton) {
helper()->LoadMagnifier(GetProfile());
AutomationTestUtils utils(extension_misc::kAccessibilityCommonExtensionId);
utils.SetUpTestSupport();
const std::string url = std::string(kDataURIPrefix) + kTestHtmlContent;
NavigateToUrl(GURL(url));
utils.WaitForPageLoad(url);
// Move magnifier window to exclude the button.
const gfx::Rect button_bounds =
utils.GetNodeBoundsInRoot("Big Button 1", "button");
helper()->MoveMagnifierWindow(
button_bounds.right() + GetViewPort().width(),
button_bounds.bottom() + GetViewPort().height());
const gfx::Rect view_port_before_focus = GetViewPort();
EXPECT_FALSE(view_port_before_focus.Contains(button_bounds));
// Set the focus on the button.
utils.SetFocusOnNode("Big Button 1", "button");
// Verify the magnifier window has moved to contain the button.
helper()->WaitForMagnifierBoundsChanged();
EXPECT_TRUE(GetViewPort().Contains(button_bounds));
}
IN_PROC_BROWSER_TEST_P(FullscreenMagnifierControllerTest,
AnimatesToFollowKeyboardFocus) {
helper()->LoadMagnifier(GetProfile());
AutomationTestUtils utils(extension_misc::kAccessibilityCommonExtensionId);
utils.SetUpTestSupport();
const std::string url = std::string(kDataURIPrefix) + kTestHtmlContent;
NavigateToUrl(GURL(url));
utils.WaitForPageLoad(url);
// Move magnifier window to exclude the button.
const gfx::Rect button_bounds =
utils.GetNodeBoundsInRoot("Big Button 1", "button");
helper()->MoveMagnifierWindow(
button_bounds.right() + GetViewPort().width(),
button_bounds.bottom() + GetViewPort().height());
const gfx::Rect view_port_before_focus = GetViewPort();
EXPECT_FALSE(view_port_before_focus.Contains(button_bounds));
MagnifierAnimationWaiter magnifier_waiter(GetFullscreenMagnifierController());
// Set the focus on the button.
utils.SetFocusOnNode("Big Button 1", "button");
// After the some animation, we should have arrived at the right viewport.
do {
magnifier_waiter.Wait();
} while (!GetViewPort().Contains(button_bounds));
}
IN_PROC_BROWSER_TEST_P(FullscreenMagnifierControllerTest,
MovesContinuouslyWithMouse) {
GetProfile()->GetPrefs()->SetInteger(
prefs::kAccessibilityScreenMagnifierMouseFollowingMode,
static_cast<int>(MagnifierMouseFollowingMode::kContinuous));
helper()->LoadMagnifier(GetProfile());
// Screen resolution 1200x800.
gfx::Point center_point(600, 400);
EXPECT_EQ(GetViewPort().CenterPoint(), center_point);
for (int i = 0; i < 3; i++) {
// Move left and down. The viewport should move towards the mouse but not
// all the way to it.
gfx::Point mouse_point = gfx::Point(500 - i * 50, 500 + i * 50);
generator()->MoveMouseTo(mouse_point);
// No need to wait: Without going through the extension loop needed for
// focus observation, the movement is all within the same process.
EXPECT_GT(GetViewPort().CenterPoint().x(), mouse_point.x());
EXPECT_LT(GetViewPort().CenterPoint().x(), center_point.x());
EXPECT_LT(GetViewPort().CenterPoint().y(), mouse_point.y());
EXPECT_GT(GetViewPort().CenterPoint().y(), center_point.y());
center_point = GetViewPort().CenterPoint();
}
}
IN_PROC_BROWSER_TEST_P(FullscreenMagnifierControllerTest,
MovesWithMouseAtEdge) {
GetProfile()->GetPrefs()->SetInteger(
prefs::kAccessibilityScreenMagnifierMouseFollowingMode,
static_cast<int>(MagnifierMouseFollowingMode::kEdge));
helper()->LoadMagnifier(GetProfile());
// Screen resolution 1200x800.
gfx::Point initial_center = GetViewPort().CenterPoint();
gfx::Point mouse_point(550, 450);
generator()->MoveMouseTo(mouse_point);
// No need to wait: Without going through the extension loop needed for focus
// observation, the movement is all within the same process.
EXPECT_EQ(GetViewPort().CenterPoint(), initial_center);
// Move left and down. The viewport should not move as we are still within it.
gfx::Point new_mouse_point = gfx::Point(500, 500);
generator()->MoveMouseTo(new_mouse_point);
EXPECT_EQ(GetViewPort().CenterPoint(), initial_center);
// Move mouse to the left/bottom edge. The viewport should move in that
// direction. Note we have to scale the mouse point based on the magnifer
// scale to actually reach the edge of the viewport.
new_mouse_point = gfx::Point(0, 800);
generator()->MoveMouseTo(new_mouse_point);
EXPECT_GT(GetViewPort().CenterPoint().x(), new_mouse_point.x());
EXPECT_LT(GetViewPort().CenterPoint().x(), initial_center.x());
EXPECT_LT(GetViewPort().CenterPoint().y(), new_mouse_point.y());
EXPECT_GT(GetViewPort().CenterPoint().y(), initial_center.y());
}
IN_PROC_BROWSER_TEST_P(FullscreenMagnifierControllerTest,
ChangeZoomWithAccelerator) {
helper()->LoadMagnifier(GetProfile());
// Press keyboard shortcut to zoom in. Default zoom is 2.0.
generator()->PressAndReleaseKeyAndModifierKeys(
ui::VKEY_BRIGHTNESS_UP, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN);
float scale = GetFullscreenMagnifierController()->GetScale();
EXPECT_LT(2.0f, scale);
// Keyboard shortcut to zoom out.
generator()->PressAndReleaseKeyAndModifierKeys(
ui::VKEY_BRIGHTNESS_DOWN, ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN);
// Note the scale might not be 2.0 again.
EXPECT_GT(scale, GetFullscreenMagnifierController()->GetScale());
}
IN_PROC_BROWSER_TEST_P(FullscreenMagnifierControllerTest, ChangeZoomWithPrefs) {
helper()->LoadMagnifier(GetProfile());
// Change the bounds pref.
GetProfile()->GetPrefs()->SetDouble(prefs::kAccessibilityScreenMagnifierScale,
4.0);
EXPECT_EQ(4.0, GetFullscreenMagnifierController()->GetScale());
GetProfile()->GetPrefs()->SetDouble(prefs::kAccessibilityScreenMagnifierScale,
10.5);
EXPECT_EQ(10.5, GetFullscreenMagnifierController()->GetScale());
}
// TODO(crbug.com/261462562): Add centered mouse following mode browsertest.
} // namespace ash
|
