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 "ash/ime/candidate_view.h"
6
7 #include "base/logging.h"
8 #include "base/strings/utf_string_conversions.h"
9 #include "ui/aura/window.h"
10 #include "ui/events/test/event_generator.h"
11 #include "ui/views/controls/button/button.h"
12 #include "ui/views/layout/box_layout.h"
13 #include "ui/views/layout/fill_layout.h"
14 #include "ui/views/test/views_test_base.h"
15 #include "ui/views/widget/widget_delegate.h"
16
17 namespace ash {
18 namespace ime {
19 namespace {
20
21 const char* const kDummyCandidates[] = {
22 "candidate1",
23 "candidate2",
24 "candidate3",
25 };
26
27 } // namespace
28
29 class CandidateViewTest : public views::ViewsTestBase,
30 public views::ButtonListener {
31 public:
CandidateViewTest()32 CandidateViewTest() : widget_(NULL), last_pressed_(NULL) {}
~CandidateViewTest()33 virtual ~CandidateViewTest() {}
34
SetUp()35 virtual void SetUp() OVERRIDE {
36 views::ViewsTestBase::SetUp();
37
38 views::Widget::InitParams init_params(CreateParams(
39 views::Widget::InitParams::TYPE_WINDOW));
40
41 init_params.delegate = new views::WidgetDelegateView();
42
43 container_ = init_params.delegate->GetContentsView();
44 container_->SetLayoutManager(
45 new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0));
46 for (size_t i = 0; i < arraysize(kDummyCandidates); ++i) {
47 CandidateView* candidate = new CandidateView(
48 this, ui::CandidateWindow::VERTICAL);
49 ui::CandidateWindow::Entry entry;
50 entry.value = base::UTF8ToUTF16(kDummyCandidates[i]);
51 candidate->SetEntry(entry);
52 container_->AddChildView(candidate);
53 }
54
55 widget_ = new views::Widget();
56 widget_->Init(init_params);
57 widget_->Show();
58
59 aura::Window* native_window = widget_->GetNativeWindow();
60 event_generator_.reset(new ui::test::EventGenerator(
61 native_window->GetRootWindow(), native_window));
62 }
63
TearDown()64 virtual void TearDown() OVERRIDE {
65 widget_->Close();
66
67 views::ViewsTestBase::TearDown();
68 }
69
70 protected:
GetCandidateAt(int index)71 CandidateView* GetCandidateAt(int index) {
72 return static_cast<CandidateView*>(container_->child_at(index));
73 }
74
GetHighlightedIndex(int * highlighted_count) const75 int GetHighlightedIndex(int* highlighted_count) const {
76 *highlighted_count = 0;
77 int last_highlighted = -1;
78 for (int i = 0; i < container_->child_count(); ++i) {
79 if (container_->child_at(i)->background() != NULL) {
80 (*highlighted_count)++;
81 last_highlighted = i;
82 }
83 }
84 return last_highlighted;
85 }
86
GetLastPressedIndexAndReset()87 int GetLastPressedIndexAndReset() {
88 for (int i = 0; i < container_->child_count(); ++i) {
89 if (last_pressed_ == container_->child_at(i)) {
90 last_pressed_ = NULL;
91 return i;
92 }
93 }
94
95 DCHECK(last_pressed_ == NULL);
96 last_pressed_ = NULL;
97 return -1;
98 }
99
event_generator()100 ui::test::EventGenerator* event_generator() { return event_generator_.get(); }
101
102 private:
ButtonPressed(views::Button * sender,const ui::Event & event)103 virtual void ButtonPressed(views::Button* sender,
104 const ui::Event& event) OVERRIDE {
105 last_pressed_ = sender;
106 }
107
108 views::Widget* widget_;
109 views::View* container_;
110 scoped_ptr<ui::test::EventGenerator> event_generator_;
111 views::View* last_pressed_;
112
113 DISALLOW_COPY_AND_ASSIGN(CandidateViewTest);
114 };
115
TEST_F(CandidateViewTest,MouseHovers)116 TEST_F(CandidateViewTest, MouseHovers) {
117 GetCandidateAt(0)->SetHighlighted(true);
118
119 int highlighted_count = 0;
120 EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
121 EXPECT_EQ(1, highlighted_count);
122
123 // Mouse hover shouldn't change the background.
124 event_generator()->MoveMouseTo(
125 GetCandidateAt(0)->GetBoundsInScreen().CenterPoint());
126 EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
127 EXPECT_EQ(1, highlighted_count);
128
129 // Mouse hover shouldn't change the background.
130 event_generator()->MoveMouseTo(
131 GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
132 EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
133 EXPECT_EQ(1, highlighted_count);
134
135 // Mouse hover shouldn't change the background.
136 event_generator()->MoveMouseTo(
137 GetCandidateAt(2)->GetBoundsInScreen().CenterPoint());
138 EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
139 EXPECT_EQ(1, highlighted_count);
140 }
141
TEST_F(CandidateViewTest,MouseClick)142 TEST_F(CandidateViewTest, MouseClick) {
143 event_generator()->MoveMouseTo(
144 GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
145 event_generator()->ClickLeftButton();
146 EXPECT_EQ(1, GetLastPressedIndexAndReset());
147 }
148
TEST_F(CandidateViewTest,ClickAndMove)149 TEST_F(CandidateViewTest, ClickAndMove) {
150 GetCandidateAt(0)->SetHighlighted(true);
151
152 int highlighted_count = 0;
153 EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
154 EXPECT_EQ(1, highlighted_count);
155
156 event_generator()->MoveMouseTo(
157 GetCandidateAt(2)->GetBoundsInScreen().CenterPoint());
158 event_generator()->PressLeftButton();
159 EXPECT_EQ(2, GetHighlightedIndex(&highlighted_count));
160 EXPECT_EQ(1, highlighted_count);
161
162 // Highlight follows the drag.
163 event_generator()->MoveMouseTo(
164 GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
165 EXPECT_EQ(1, GetHighlightedIndex(&highlighted_count));
166 EXPECT_EQ(1, highlighted_count);
167
168 event_generator()->MoveMouseTo(
169 GetCandidateAt(0)->GetBoundsInScreen().CenterPoint());
170 EXPECT_EQ(0, GetHighlightedIndex(&highlighted_count));
171 EXPECT_EQ(1, highlighted_count);
172
173 event_generator()->MoveMouseTo(
174 GetCandidateAt(1)->GetBoundsInScreen().CenterPoint());
175 EXPECT_EQ(1, GetHighlightedIndex(&highlighted_count));
176 EXPECT_EQ(1, highlighted_count);
177
178 event_generator()->ReleaseLeftButton();
179 EXPECT_EQ(1, GetLastPressedIndexAndReset());
180 }
181
182 } // namespace ime
183 } // namespace ash
184