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
|
// Copyright 2014 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/chromeos/touch_exploration_controller.h"
#include "ash/accessibility_delegate.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "base/test/simple_test_tick_clock.h"
#include "base/time/time.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/test/browser_test_utils.h"
#include "ui/aura/client/cursor_client.h"
#include "ui/aura/window_tree_host.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/test/draw_waiter_for_test.h"
#include "ui/events/event.h"
#include "ui/events/event_utils.h"
#include "ui/events/test/event_generator.h"
#include "ui/events/test/test_event_handler.h"
namespace ui {
class TouchExplorationTest : public InProcessBrowserTest {
public:
TouchExplorationTest() : simulated_clock_(new base::SimpleTestTickClock()) {
// Tests fail if time is ever 0.
simulated_clock_->Advance(base::TimeDelta::FromMilliseconds(10));
}
virtual ~TouchExplorationTest() {}
protected:
virtual void SetUpOnMainThread() OVERRIDE {
// The RenderView for WebContents is created as a result of the
// navigation to the New Tab page which is done as part of the test
// SetUp. The creation involves sending a resize message to the renderer
// process. Here we wait for the resize ack to be received, because
// currently WindowEventDispatcher has code to hold touch and mouse
// move events until resize is complete (crbug.com/384342) which
// interferes with this test.
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::WaitForResizeComplete(web_contents);
root_window_ = ash::Shell::GetInstance()->GetPrimaryRootWindow();
event_handler_.reset(new ui::test::TestEventHandler());
root_window_->AddPreTargetHandler(event_handler_.get());
}
virtual void TearDownOnMainThread() OVERRIDE {
SwitchTouchExplorationMode(false);
root_window_->RemovePreTargetHandler(event_handler_.get());
}
void SwitchTouchExplorationMode(bool on) {
ash::AccessibilityDelegate* ad =
ash::Shell::GetInstance()->accessibility_delegate();
if (on != ad->IsSpokenFeedbackEnabled())
ad->ToggleSpokenFeedback(ash::A11Y_NOTIFICATION_NONE);
}
base::TimeDelta Now() {
return base::TimeDelta::FromInternalValue(
simulated_clock_->NowTicks().ToInternalValue());
}
ui::GestureDetector::Config gesture_detector_config_;
base::SimpleTestTickClock* simulated_clock_;
aura::Window* root_window_;
scoped_ptr<ui::test::TestEventHandler> event_handler_;
private:
DISALLOW_COPY_AND_ASSIGN(TouchExplorationTest);
};
// This test turns the touch exploration mode on/off and confirms that events
// get rewritten when the touch exploration mode is on, and aren't affected
// after the touch exploration mode is turned off.
IN_PROC_BROWSER_TEST_F(TouchExplorationTest, ToggleOnOff) {
SwitchTouchExplorationMode(true);
ui::test::EventGenerator generator(root_window_);
base::TimeDelta initial_time = Now();
ui::TouchEvent initial_press(
ui::ET_TOUCH_PRESSED, gfx::Point(100, 200), 1, initial_time);
generator.Dispatch(&initial_press);
// Since the touch exploration controller doesn't know if the user is
// double-tapping or not, touch exploration is only initiated if the
// 300 ms has elapsed and the finger does not move fast enough to begin
// gestures. Here, the touch move event is not important as a move, but
// a way to create time advancement.
ui::TouchEvent touch_time_advance(ui::ET_TOUCH_MOVED,
gfx::Point(100, 200),
1,
initial_time +
gesture_detector_config_.double_tap_timeout +
base::TimeDelta::FromMilliseconds(1));
generator.Dispatch(&touch_time_advance);
// Number of mouse events may be greater than 1 because of ET_MOUSE_ENTERED.
EXPECT_GT(event_handler_->num_mouse_events(), 0);
EXPECT_EQ(0, event_handler_->num_touch_events());
event_handler_->Reset();
SwitchTouchExplorationMode(false);
generator.MoveTouchId(gfx::Point(11, 12), 1);
EXPECT_EQ(0, event_handler_->num_mouse_events());
EXPECT_EQ(1, event_handler_->num_touch_events());
event_handler_->Reset();
SwitchTouchExplorationMode(true);
initial_time = Now();
ui::TouchEvent second_initial_press(
ui::ET_TOUCH_PRESSED, gfx::Point(500, 600), 2, initial_time);
generator.Dispatch(&second_initial_press);
ui::TouchEvent second_touch_time_advance(
ui::ET_TOUCH_MOVED,
gfx::Point(500, 600),
2,
initial_time + gesture_detector_config_.double_tap_timeout +
base::TimeDelta::FromMilliseconds(1));
generator.Dispatch(&second_touch_time_advance);
EXPECT_GT(event_handler_->num_mouse_events(), 0);
EXPECT_EQ(0, event_handler_->num_touch_events());
}
// This test makes sure that after the user clicks with split tap,
// they continue to touch exploration mode if the original touch exploration
// finger is still on the screen.
IN_PROC_BROWSER_TEST_F(TouchExplorationTest, SplitTapExplore) {
SwitchTouchExplorationMode(true);
ui::test::EventGenerator generator(root_window_);
aura::client::CursorClient* cursor_client =
aura::client::GetCursorClient(root_window_);
// Mouse events should show the cursor.
generator.MoveMouseTo(gfx::Point(30, 31));
EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
EXPECT_TRUE(cursor_client->IsCursorVisible());
// The cursor should be shown immediately after the press, and hidden
// after the move.
base::TimeDelta initial_time = Now();
ui::TouchEvent initial_press(
ui::ET_TOUCH_PRESSED, gfx::Point(100, 200), 1, initial_time);
generator.Dispatch(&initial_press);
EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
EXPECT_TRUE(cursor_client->IsCursorVisible());
// Initiate touch explore by waiting for the tap timer timeout. Time is
// advanced by sending a move event after the timeout period.
ui::TouchEvent touch_time_advance(
ui::ET_TOUCH_MOVED,
gfx::Point(100, 200),
1,
initial_time + gesture_detector_config_.double_tap_timeout +
base::TimeDelta::FromMilliseconds(1));
generator.Dispatch(&touch_time_advance);
EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
EXPECT_FALSE(cursor_client->IsCursorVisible());
event_handler_->Reset();
// Press and release with a second finger for split tap. This should send
// touch press and release events which should send a click press and release.
// Once the press is passed through, mouse events should be disabled.
// Mouse events are reenabled after the release.
generator.set_current_location(gfx::Point(102, 202));
generator.PressTouchId(2);
EXPECT_FALSE(cursor_client->IsMouseEventsEnabled());
EXPECT_FALSE(cursor_client->IsCursorVisible());
generator.ReleaseTouchId(2);
EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
EXPECT_FALSE(cursor_client->IsCursorVisible());
EXPECT_EQ(2, event_handler_->num_touch_events());
event_handler_->Reset();
// Continuing to move the touch exploration finger should send more mouse
// events.
generator.MoveTouchId(gfx::Point(509, 609), 1);
EXPECT_EQ(0, event_handler_->num_touch_events());
EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
EXPECT_FALSE(cursor_client->IsCursorVisible());
}
} // namespace ui
|
