1 // Copyright (c) 2012 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 "chrome/test/base/view_event_test_base.h"
6
7 #include "base/bind.h"
8 #include "base/message_loop/message_loop.h"
9 #include "chrome/test/base/chrome_unit_test_suite.h"
10 #include "chrome/test/base/interactive_test_utils.h"
11 #include "chrome/test/base/testing_browser_process.h"
12 #include "chrome/test/base/view_event_test_platform_part.h"
13 #include "ui/base/ime/input_method_initializer.h"
14 #include "ui/base/test/ui_controls.h"
15 #include "ui/compositor/test/context_factories_for_test.h"
16 #include "ui/views/view.h"
17 #include "ui/views/widget/widget.h"
18
19 namespace {
20
21 // View subclass that allows you to specify the preferred size.
22 class TestView : public views::View {
23 public:
TestView()24 TestView() {}
25
SetPreferredSize(const gfx::Size & size)26 void SetPreferredSize(const gfx::Size& size) {
27 preferred_size_ = size;
28 PreferredSizeChanged();
29 }
30
GetPreferredSize() const31 virtual gfx::Size GetPreferredSize() const OVERRIDE {
32 if (!preferred_size_.IsEmpty())
33 return preferred_size_;
34 return View::GetPreferredSize();
35 }
36
Layout()37 virtual void Layout() OVERRIDE {
38 View* child_view = child_at(0);
39 child_view->SetBounds(0, 0, width(), height());
40 }
41
42 private:
43 gfx::Size preferred_size_;
44
45 DISALLOW_COPY_AND_ASSIGN(TestView);
46 };
47
48 // Delay in background thread before posting mouse move.
49 const int kMouseMoveDelayMS = 200;
50
51 } // namespace
52
ViewEventTestBase()53 ViewEventTestBase::ViewEventTestBase()
54 : window_(NULL),
55 content_view_(NULL) {
56 // The TestingBrowserProcess must be created in the constructor because there
57 // are tests that require it before SetUp() is called.
58 TestingBrowserProcess::CreateInstance();
59 }
60
Done()61 void ViewEventTestBase::Done() {
62 base::MessageLoop::current()->Quit();
63
64 // If we're in a nested message loop, as is the case with menus, we
65 // need to quit twice. The second quit does that for us. Finish all
66 // pending UI events before posting closure because events it may be
67 // executed before UI events are executed.
68 ui_controls::RunClosureAfterAllPendingUIEvents(
69 base::MessageLoop::QuitClosure());
70 }
71
SetUpTestCase()72 void ViewEventTestBase::SetUpTestCase() {
73 ChromeUnitTestSuite::InitializeProviders();
74 ChromeUnitTestSuite::InitializeResourceBundle();
75 }
76
SetUp()77 void ViewEventTestBase::SetUp() {
78 views::ViewsDelegate::views_delegate = &views_delegate_;
79 ui::InitializeInputMethodForTesting();
80
81 // The ContextFactory must exist before any Compositors are created.
82 bool enable_pixel_output = false;
83 ui::ContextFactory* context_factory =
84 ui::InitializeContextFactoryForTests(enable_pixel_output);
85
86 platform_part_.reset(ViewEventTestPlatformPart::Create(context_factory));
87 gfx::NativeWindow context = platform_part_->GetContext();
88 window_ = views::Widget::CreateWindowWithContext(this, context);
89 }
90
TearDown()91 void ViewEventTestBase::TearDown() {
92 if (window_) {
93 window_->Close();
94 content::RunAllPendingInMessageLoop();
95 window_ = NULL;
96 }
97
98 ui::Clipboard::DestroyClipboardForCurrentThread();
99 platform_part_.reset();
100
101 ui::TerminateContextFactoryForTests();
102
103 ui::ShutdownInputMethodForTesting();
104 views::ViewsDelegate::views_delegate = NULL;
105 }
106
CanResize() const107 bool ViewEventTestBase::CanResize() const {
108 return true;
109 }
110
GetContentsView()111 views::View* ViewEventTestBase::GetContentsView() {
112 if (!content_view_) {
113 // Wrap the real view (as returned by CreateContentsView) in a View so
114 // that we can customize the preferred size.
115 TestView* test_view = new TestView();
116 test_view->SetPreferredSize(GetPreferredSize());
117 test_view->AddChildView(CreateContentsView());
118 content_view_ = test_view;
119 }
120 return content_view_;
121 }
122
GetWidget() const123 const views::Widget* ViewEventTestBase::GetWidget() const {
124 return content_view_->GetWidget();
125 }
126
GetWidget()127 views::Widget* ViewEventTestBase::GetWidget() {
128 return content_view_->GetWidget();
129 }
130
~ViewEventTestBase()131 ViewEventTestBase::~ViewEventTestBase() {
132 TestingBrowserProcess::DeleteInstance();
133 }
134
StartMessageLoopAndRunTest()135 void ViewEventTestBase::StartMessageLoopAndRunTest() {
136 ASSERT_TRUE(
137 ui_test_utils::ShowAndFocusNativeWindow(window_->GetNativeWindow()));
138
139 // Flush any pending events to make sure we start with a clean slate.
140 content::RunAllPendingInMessageLoop();
141
142 // Schedule a task that starts the test. Need to do this as we're going to
143 // run the message loop.
144 base::MessageLoop::current()->PostTask(
145 FROM_HERE, base::Bind(&ViewEventTestBase::DoTestOnMessageLoop, this));
146
147 content::RunMessageLoop();
148 }
149
GetPreferredSize() const150 gfx::Size ViewEventTestBase::GetPreferredSize() const {
151 return gfx::Size();
152 }
153
ScheduleMouseMoveInBackground(int x,int y)154 void ViewEventTestBase::ScheduleMouseMoveInBackground(int x, int y) {
155 if (!dnd_thread_.get()) {
156 dnd_thread_.reset(new base::Thread("mouse-move-thread"));
157 dnd_thread_->Start();
158 }
159 dnd_thread_->message_loop()->PostDelayedTask(
160 FROM_HERE,
161 base::Bind(base::IgnoreResult(&ui_controls::SendMouseMove), x, y),
162 base::TimeDelta::FromMilliseconds(kMouseMoveDelayMS));
163 }
164
StopBackgroundThread()165 void ViewEventTestBase::StopBackgroundThread() {
166 dnd_thread_.reset(NULL);
167 }
168
RunTestMethod(const base::Closure & task)169 void ViewEventTestBase::RunTestMethod(const base::Closure& task) {
170 StopBackgroundThread();
171
172 task.Run();
173 if (HasFatalFailure())
174 Done();
175 }
176