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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "athena/util/drag_handle.h" | |
6 | |
7 #include "ui/aura/test/aura_test_base.h" | |
8 #include "ui/aura/window.h" | |
9 #include "ui/views/view.h" | |
10 #include "ui/views/widget/widget.h" | |
11 | |
12 namespace athena { | |
13 | |
14 class DragHandleDelegateTest : public DragHandleScrollDelegate { | |
15 public: | |
16 explicit DragHandleDelegateTest() | |
17 : begin_delta_(0), | |
18 scroll_end_velocity_(0), | |
19 got_scroll_end_(false), | |
20 update_delta_(0) {} | |
21 | |
22 ~DragHandleDelegateTest() override {} | |
23 | |
24 void Reset() { | |
25 begin_delta_ = 0; | |
26 scroll_end_velocity_ = 0; | |
27 got_scroll_end_ = false; | |
28 update_delta_ = 0; | |
29 } | |
30 | |
31 float begin_delta() { return begin_delta_; } | |
32 float scroll_end_velocity() { return scroll_end_velocity_; } | |
33 bool got_scroll_end() { return got_scroll_end_; } | |
34 float update_delta() { return update_delta_; } | |
35 | |
36 private: | |
37 // DragHandleScrollDelegate: | |
38 virtual void HandleScrollBegin(float delta) override { | |
39 begin_delta_ = delta; | |
40 } | |
41 | |
42 virtual void HandleScrollEnd(float velocity) override { | |
43 scroll_end_velocity_ = velocity; | |
44 got_scroll_end_ = true; | |
45 } | |
46 | |
47 virtual void HandleScrollUpdate(float delta) override { | |
48 update_delta_ = delta; | |
49 } | |
50 | |
51 float begin_delta_; | |
52 float scroll_end_velocity_; | |
53 bool got_scroll_end_; | |
54 float update_delta_; | |
55 | |
56 DISALLOW_COPY_AND_ASSIGN(DragHandleDelegateTest); | |
57 }; | |
58 | |
59 typedef aura::test::AuraTestBase DragHandleTest; | |
60 | |
61 const int kDragHandleWidth = 10; | |
62 const int kDragHandleHeight = 100; | |
63 | |
64 ui::GestureEvent CreateGestureEvent(ui::EventType type, | |
65 float x, | |
66 float delta_x) { | |
67 ui::GestureEvent event( | |
68 x, | |
69 1, | |
70 0, | |
71 base::TimeDelta::FromInternalValue(base::Time::Now().ToInternalValue()), | |
72 type == ui::ET_GESTURE_SCROLL_END | |
73 ? ui::GestureEventDetails(type) | |
74 : ui::GestureEventDetails(type, delta_x, 0)); | |
75 event.set_root_location(gfx::PointF(x, 1)); | |
76 return event; | |
77 } | |
78 | |
79 TEST_F(DragHandleTest, ScrollTest) { | |
80 DragHandleDelegateTest delegate; | |
81 scoped_ptr<views::View> drag_handle( | |
82 CreateDragHandleView(DragHandleScrollDirection::DRAG_HANDLE_HORIZONTAL, | |
83 &delegate, | |
84 kDragHandleWidth, | |
85 kDragHandleHeight)); | |
86 | |
87 views::Widget widget; | |
88 views::Widget::InitParams params( | |
89 views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
90 params.parent = root_window(); | |
91 params.accept_events = true; | |
92 params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; | |
93 widget.Init(params); | |
94 widget.SetContentsView(drag_handle.get()); | |
95 const gfx::Size& size = gfx::Size(kDragHandleWidth, kDragHandleHeight); | |
96 widget.SetSize(size); | |
97 widget.SetBounds(gfx::Rect(0, 0, size.width(), size.height())); | |
98 | |
99 const float begin_x = 4.0; | |
100 const float begin_delta = 10.0; | |
101 const float update_delta = 15.0; | |
102 const float fling_velocity = 19.0; | |
103 | |
104 ui::GestureEvent scroll_begin_model = | |
105 CreateGestureEvent(ui::ET_GESTURE_SCROLL_BEGIN, begin_x, begin_delta); | |
106 ui::GestureEvent scroll_update_model = | |
107 CreateGestureEvent(ui::ET_GESTURE_SCROLL_UPDATE, | |
108 begin_x + update_delta, | |
109 update_delta - begin_delta); | |
110 ui::GestureEvent scroll_end_model = | |
111 CreateGestureEvent(ui::ET_GESTURE_SCROLL_END, begin_x + update_delta, 0); | |
112 ui::GestureEvent fling_start_model = CreateGestureEvent( | |
113 ui::ET_SCROLL_FLING_START, begin_x + update_delta, fling_velocity); | |
114 | |
115 // Scroll not ending with a fling. | |
116 ui::GestureEvent e(scroll_begin_model); | |
117 widget.OnGestureEvent(&e); | |
118 EXPECT_EQ(begin_delta, delegate.begin_delta()); | |
119 EXPECT_EQ(0, delegate.update_delta()); | |
120 EXPECT_FALSE(delegate.got_scroll_end()); | |
121 e = ui::GestureEvent(scroll_update_model); | |
122 widget.OnGestureEvent(&e); | |
123 EXPECT_EQ(update_delta, delegate.update_delta()); | |
124 EXPECT_FALSE(delegate.got_scroll_end()); | |
125 e = ui::GestureEvent(scroll_end_model); | |
126 widget.OnGestureEvent(&e); | |
127 EXPECT_EQ(update_delta, delegate.update_delta()); | |
128 EXPECT_TRUE(delegate.got_scroll_end()); | |
129 EXPECT_EQ(0, delegate.scroll_end_velocity()); | |
130 | |
131 delegate.Reset(); | |
132 | |
133 // Scroll ending with a fling. | |
134 e = ui::GestureEvent(scroll_begin_model); | |
135 widget.OnGestureEvent(&e); | |
136 e = ui::GestureEvent(scroll_update_model); | |
137 widget.OnGestureEvent(&e); | |
138 e = ui::GestureEvent(fling_start_model); | |
139 widget.OnGestureEvent(&e); | |
140 EXPECT_TRUE(delegate.got_scroll_end()); | |
141 EXPECT_EQ(fling_velocity, delegate.scroll_end_velocity()); | |
142 | |
143 delegate.Reset(); | |
144 | |
145 drag_handle.reset(); | |
146 } | |
147 | |
148 } // namespace athena | |
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