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 "extensions/shell/browser/shell_desktop_controller_aura.h"
6 
7 #include <memory>
8 
9 #include "base/macros.h"
10 #include "base/memory/ptr_util.h"
11 #include "base/time/time.h"
12 #include "build/chromeos_buildflags.h"
13 #include "content/public/browser/browser_context.h"
14 #include "content/public/browser/web_contents.h"
15 #include "extensions/browser/app_window/app_window.h"
16 #include "extensions/browser/app_window/app_window_client.h"
17 #include "extensions/browser/app_window/app_window_registry.h"
18 #include "extensions/browser/app_window/native_app_window.h"
19 #include "extensions/browser/app_window/test_app_window_contents.h"
20 #include "extensions/common/extension_builder.h"
21 #include "extensions/shell/browser/shell_app_delegate.h"
22 #include "extensions/shell/test/shell_test_base_aura.h"
23 #include "testing/gtest/include/gtest/gtest.h"
24 #include "ui/aura/window.h"
25 #include "ui/aura/window_event_dispatcher.h"
26 #include "ui/aura/window_tree_host.h"
27 #include "ui/base/ime/dummy_text_input_client.h"
28 #include "ui/base/ime/init/input_method_factory.h"
29 #include "ui/base/ime/input_method.h"
30 #include "ui/base/ime/input_method_minimal.h"
31 #include "ui/display/display.h"
32 #include "ui/display/screen_base.h"
33 #include "ui/events/event.h"
34 #include "ui/events/event_dispatcher.h"
35 #include "ui/events/keycodes/dom/dom_code.h"
36 #include "ui/events/keycodes/keyboard_codes.h"
37 #include "ui/gfx/geometry/rect.h"
38 
39 #if BUILDFLAG(IS_CHROMEOS_ASH)
40 #include "chromeos/dbus/power/fake_power_manager_client.h"
41 #endif
42 
43 namespace extensions {
44 
45 class ShellDesktopControllerAuraTest : public ShellTestBaseAura {
46  public:
47   ShellDesktopControllerAuraTest() = default;
48   ~ShellDesktopControllerAuraTest() override = default;
49 
SetUp()50   void SetUp() override {
51     ShellTestBaseAura::SetUp();
52 
53     // Set up a screen with 2 displays.
54     screen_ = std::make_unique<display::ScreenBase>();
55     display::Screen::SetScreenInstance(screen_.get());
56     screen_->display_list().AddDisplay(
57         display::Display(100, gfx::Rect(0, 0, 1920, 1080)),
58         display::DisplayList::Type::PRIMARY);
59     screen_->display_list().AddDisplay(
60         display::Display(200, gfx::Rect(1920, 1080, 800, 600)),
61         display::DisplayList::Type::NOT_PRIMARY);
62 
63 #if BUILDFLAG(IS_CHROMEOS_ASH)
64     chromeos::PowerManagerClient::InitializeFake();
65 #endif
66 
67     controller_ =
68         std::make_unique<ShellDesktopControllerAura>(browser_context());
69   }
70 
TearDown()71   void TearDown() override {
72     controller_.reset();
73 #if BUILDFLAG(IS_CHROMEOS_ASH)
74     chromeos::PowerManagerClient::Shutdown();
75 #endif
76     screen_.reset();
77     display::Screen::SetScreenInstance(nullptr);
78     ShellTestBaseAura::TearDown();
79   }
80 
81  protected:
CreateAppWindow(const Extension * extension,gfx::Rect bounds={})82   AppWindow* CreateAppWindow(const Extension* extension,
83                              gfx::Rect bounds = {}) {
84     AppWindow* app_window =
85         AppWindowClient::Get()->CreateAppWindow(browser_context(), extension);
86     InitAppWindow(app_window, bounds);
87     return app_window;
88   }
89 
90   std::unique_ptr<display::ScreenBase> screen_;
91   std::unique_ptr<ShellDesktopControllerAura> controller_;
92 
93  private:
94   DISALLOW_COPY_AND_ASSIGN(ShellDesktopControllerAuraTest);
95 };
96 
97 #if BUILDFLAG(IS_CHROMEOS_ASH)
98 // Tests that a shutdown request is sent to the power manager when the power
99 // button is pressed.
TEST_F(ShellDesktopControllerAuraTest,PowerButton)100 TEST_F(ShellDesktopControllerAuraTest, PowerButton) {
101   // Ignore button releases.
102   auto* power_manager_client = chromeos::FakePowerManagerClient::Get();
103   power_manager_client->SendPowerButtonEvent(false /* down */,
104                                              base::TimeTicks());
105   EXPECT_EQ(0, power_manager_client->num_request_shutdown_calls());
106 
107   // A button press should trigger a shutdown request.
108   power_manager_client->SendPowerButtonEvent(true /* down */,
109                                              base::TimeTicks());
110   EXPECT_EQ(1, power_manager_client->num_request_shutdown_calls());
111 }
112 #endif
113 
114 // Tests that basic input events are handled and forwarded to the host.
115 // TODO(michaelpg): Test other types of input.
TEST_F(ShellDesktopControllerAuraTest,InputEvents)116 TEST_F(ShellDesktopControllerAuraTest, InputEvents) {
117   scoped_refptr<const Extension> extension = ExtensionBuilder("Test").Build();
118   CreateAppWindow(extension.get());
119 
120   ui::InputMethod* input_method =
121       controller_->GetPrimaryHost()->GetInputMethod();
122   ASSERT_TRUE(input_method);
123 
124   // Set up a focused text input to receive the keypress event.
125   ui::DummyTextInputClient client(ui::TEXT_INPUT_TYPE_TEXT);
126   input_method->SetFocusedTextInputClient(&client);
127   EXPECT_EQ(0, client.insert_char_count());
128 
129   // Dispatch a keypress on the window tree host to verify it is processed.
130   ui::KeyEvent key_press(base::char16(97), ui::VKEY_A, ui::DomCode::NONE,
131                          ui::EF_NONE);
132   ui::EventDispatchDetails details =
133       controller_->GetPrimaryHost()->dispatcher()->DispatchEvent(
134           controller_->GetPrimaryHost()->window(), &key_press);
135   EXPECT_FALSE(details.dispatcher_destroyed);
136   EXPECT_FALSE(details.target_destroyed);
137   EXPECT_TRUE(key_press.handled());
138   EXPECT_EQ(1, client.insert_char_count());
139 
140   // Clean up.
141   input_method->DetachTextInputClient(&client);
142 }
143 
144 // Tests closing all AppWindows.
TEST_F(ShellDesktopControllerAuraTest,CloseAppWindows)145 TEST_F(ShellDesktopControllerAuraTest, CloseAppWindows) {
146   const AppWindowRegistry* app_window_registry =
147       AppWindowRegistry::Get(browser_context());
148   scoped_refptr<const Extension> extension = ExtensionBuilder("Test").Build();
149   for (int i = 0; i < 3; i++)
150     CreateAppWindow(extension.get());
151   EXPECT_EQ(3u, app_window_registry->app_windows().size());
152 
153   controller_->CloseAppWindows();
154   EXPECT_EQ(0u, app_window_registry->app_windows().size());
155 }
156 
157 // Tests that the AppWindows are removed when the desktop controller goes away.
TEST_F(ShellDesktopControllerAuraTest,OnAppWindowClose)158 TEST_F(ShellDesktopControllerAuraTest, OnAppWindowClose) {
159   const AppWindowRegistry* app_window_registry =
160       AppWindowRegistry::Get(browser_context());
161   scoped_refptr<const Extension> extension = ExtensionBuilder("Test").Build();
162   for (int i = 0; i < 3; i++)
163     CreateAppWindow(extension.get());
164   EXPECT_EQ(3u, app_window_registry->app_windows().size());
165 
166   // Deleting the controller closes all app windows.
167   controller_.reset();
168   EXPECT_EQ(0u, app_window_registry->app_windows().size());
169 }
170 
171 // Tests that multiple displays result in multiple root windows.
TEST_F(ShellDesktopControllerAuraTest,MultipleDisplays)172 TEST_F(ShellDesktopControllerAuraTest, MultipleDisplays) {
173   const AppWindowRegistry* app_window_registry =
174       AppWindowRegistry::Get(browser_context());
175   scoped_refptr<const Extension> extension = ExtensionBuilder("Test").Build();
176 
177   // Create two apps window on the primary display. Both should be hosted in the
178   // same RootWindowController.
179   AppWindow* primary_app_window = CreateAppWindow(extension.get());
180   AppWindow* primary_app_window_2 = CreateAppWindow(extension.get());
181   EXPECT_EQ(2u, app_window_registry->app_windows().size());
182   EXPECT_EQ(1u, controller_->GetAllRootWindows().size());
183 
184   // Create an app window near the secondary display, which should result in
185   // creating a RootWindowController for that display.
186   AppWindow* secondary_app_window =
187       CreateAppWindow(extension.get(), gfx::Rect(1900, 1000, 600, 400));
188   EXPECT_EQ(3u, app_window_registry->app_windows().size());
189   EXPECT_EQ(2u, controller_->GetAllRootWindows().size());
190 
191   aura::Window* primary_root = controller_->GetPrimaryHost()->window();
192 
193   // Move an app window from the second display to the primary display.
194   EXPECT_NE(secondary_app_window->GetNativeWindow()->GetRootWindow(),
195             primary_root);
196   controller_->SetWindowBoundsInScreen(secondary_app_window,
197                                        gfx::Rect(0, 0, 100, 100));
198   EXPECT_EQ(secondary_app_window->GetNativeWindow()->GetRootWindow(),
199             primary_root);
200 
201   // Move an app window from the primary display to the secondary display.
202   EXPECT_EQ(primary_app_window->GetNativeWindow()->GetRootWindow(),
203             primary_root);
204   controller_->SetWindowBoundsInScreen(primary_app_window,
205                                        gfx::Rect(1920, 1080, 800, 600));
206   EXPECT_NE(primary_app_window->GetNativeWindow()->GetRootWindow(),
207             primary_root);
208 
209   // Test moving an app window within its display.
210   EXPECT_EQ(primary_app_window_2->GetNativeWindow()->GetRootWindow(),
211             primary_root);
212   controller_->SetWindowBoundsInScreen(primary_app_window_2,
213                                        gfx::Rect(100, 100, 500, 600));
214   EXPECT_EQ(primary_app_window_2->GetNativeWindow()->GetRootWindow(),
215             primary_root);
216 }
217 
218 }  // namespace extensions
219