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.
5 #include "athena/util/drag_handle.h"
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"
14 class DragHandleDelegateTest : public DragHandleScrollDelegate {
16 explicit DragHandleDelegateTest()
18 scroll_end_velocity_(0),
19 got_scroll_end_(false),
22 ~DragHandleDelegateTest() override {}
26 scroll_end_velocity_ = 0;
27 got_scroll_end_ = false;
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_; }
37 // DragHandleScrollDelegate:
38 virtual void HandleScrollBegin(float delta) override {
42 virtual void HandleScrollEnd(float velocity) override {
43 scroll_end_velocity_ = velocity;
44 got_scroll_end_ = true;
47 virtual void HandleScrollUpdate(float delta) override {
48 update_delta_ = delta;
52 float scroll_end_velocity_;
56 DISALLOW_COPY_AND_ASSIGN(DragHandleDelegateTest);
59 typedef aura::test::AuraTestBase DragHandleTest;
61 const int kDragHandleWidth = 10;
62 const int kDragHandleHeight = 100;
64 ui::GestureEvent CreateGestureEvent(ui::EventType type,
67 ui::GestureEvent event(
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));
79 TEST_F(DragHandleTest, ScrollTest) {
80 DragHandleDelegateTest delegate;
81 scoped_ptr<views::View> drag_handle(
82 CreateDragHandleView(DragHandleScrollDirection::DRAG_HANDLE_HORIZONTAL,
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;
94 widget.SetContentsView(drag_handle.get());
95 const gfx::Size& size = gfx::Size(kDragHandleWidth, kDragHandleHeight);
97 widget.SetBounds(gfx::Rect(0, 0, size.width(), size.height()));
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;
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);
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());
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());
148 } // namespace athena