ash/virtual_keyboard_controller_unittest.cc

   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/virtual_keyboard_controller.h"
   6
   7 #include <vector>
   8
   9 #include "ash/shell.h"
  10 #include "ash/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
  13 #include "ash/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard.h"
  14 #include "ash_switches.h"
  15 #include "base/command_line.h"
  16 #include "ui/events/devices/device_data_manager.h"
  17 #include "ui/events/devices/device_hotplug_event_observer.h"
  18 #include "ui/events/devices/input_device.h"
  19 #include "ui/events/devices/keyboard_device.h"
  20 #include "ui/events/devices/touchscreen_device.h"
  21 #include "ui/keyboard/keyboard_export.h"
  22 #include "ui/keyboard/keyboard_switches.h"
  23 #include "ui/keyboard/keyboard_util.h"
  24
  25 namespace ash {
  26 namespace test {
  27
  28 class VirtualKeyboardControllerTest : public AshTestBase {
  29  public:
  30   VirtualKeyboardControllerTest() {}
  31   ~VirtualKeyboardControllerTest() override {}
  32
  33   void UpdateTouchscreenDevices(
  34       std::vector<ui::TouchscreenDevice> touchscreen_devices) {
  35     ui::DeviceHotplugEventObserver* manager =
  36         ui::DeviceDataManager::GetInstance();
  37     manager->OnTouchscreenDevicesUpdated(touchscreen_devices);
  38   }
  39
  40   void UpdateKeyboardDevices(std::vector<ui::KeyboardDevice> keyboard_devices) {
  41     ui::DeviceHotplugEventObserver* manager =
  42         ui::DeviceDataManager::GetInstance();
  43     manager->OnKeyboardDevicesUpdated(keyboard_devices);
  44   }
  45
  46   // Sets the event blocker on the maximized window controller.
  47   void SetEventBlocker(
  48       scoped_ptr<ScopedDisableInternalMouseAndKeyboard> blocker) {
  49     Shell::GetInstance()->maximize_mode_controller()->event_blocker_ =
  50         blocker.Pass();
  51   }
  52
  53   void SetUp() override {
  54     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
  55         keyboard::switches::kSmartVirtualKeyboard, "disabled");
  56     AshTestBase::SetUp();
  57     UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
  58     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
  59   }
  60
  61  private:
  62   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
  63 };
  64
  65 TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
  66   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
  67   // Toggle maximized mode on.
  68   Shell::GetInstance()
  69       ->maximize_mode_controller()
  70       ->EnableMaximizeModeWindowManager(true);
  71   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
  72   // Toggle maximized mode off.
  73   Shell::GetInstance()
  74       ->maximize_mode_controller()
  75       ->EnableMaximizeModeWindowManager(false);
  76   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
  77 }
  78
  79 // Mock event blocker that enables the internal keyboard when it's destructor
  80 // is called.
  81 class MockEventBlocker : public ScopedDisableInternalMouseAndKeyboard {
  82  public:
  83   MockEventBlocker() {}
  84   ~MockEventBlocker() override {
  85     std::vector<ui::KeyboardDevice> keyboards;
  86     keyboards.push_back(ui::KeyboardDevice(
  87         1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
  88     ui::DeviceHotplugEventObserver* manager =
  89         ui::DeviceDataManager::GetInstance();
  90     manager->OnKeyboardDevicesUpdated(keyboards);
  91   }
  92
  93  private:
  94   DISALLOW_COPY_AND_ASSIGN(MockEventBlocker);
  95 };
  96
  97 // Tests that reenabling keyboard devices while shutting down does not
  98 // cause the Virtual Keyboard Controller to crash. See crbug.com/446204.
  99 TEST_F(VirtualKeyboardControllerTest, RestoreKeyboardDevices) {
 100   // Toggle maximized mode on.
 101   Shell::GetInstance()
 102       ->maximize_mode_controller()
 103       ->EnableMaximizeModeWindowManager(true);
 104   scoped_ptr<ScopedDisableInternalMouseAndKeyboard> blocker(
 105       new MockEventBlocker);
 106   SetEventBlocker(blocker.Pass());
 107 }
 108
 109 class VirtualKeyboardControllerAutoTest : public VirtualKeyboardControllerTest,
 110                                           public VirtualKeyboardObserver {
 111  public:
 112   VirtualKeyboardControllerAutoTest() : notified_(false), suppressed_(false) {}
 113   ~VirtualKeyboardControllerAutoTest() override {}
 114
 115   void SetUp() override {
 116     AshTestBase::SetUp();
 117     // Set the current list of devices to empty so that they don't interfere
 118     // with the test.
 119     UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
 120     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
 121     Shell::GetInstance()->system_tray_notifier()->AddVirtualKeyboardObserver(
 122         this);
 123   }
 124
 125   void TearDown() override {
 126     Shell::GetInstance()->system_tray_notifier()->RemoveVirtualKeyboardObserver(
 127         this);
 128     AshTestBase::TearDown();
 129   }
 130
 131   void OnKeyboardSuppressionChanged(bool suppressed) override {
 132     notified_ = true;
 133     suppressed_ = suppressed;
 134   }
 135
 136   void ResetObserver() {
 137     suppressed_ = false;
 138     notified_ = false;
 139   }
 140
 141   bool IsVirtualKeyboardSuppressed() { return suppressed_; }
 142
 143   bool notified() { return notified_; }
 144
 145  private:
 146   // Whether the observer method was called.
 147   bool notified_;
 148
 149   // Whether the keeyboard is suppressed.
 150   bool suppressed_;
 151
 152   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAutoTest);
 153 };
 154
 155 // Tests that the onscreen keyboard is disabled if an internal keyboard is
 156 // present and maximized mode is disabled.
 157 TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfInternalKeyboardPresent) {
 158   std::vector<ui::TouchscreenDevice> screens;
 159   screens.push_back(
 160       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
 161                             "Touchscreen", gfx::Size(1024, 768), 0));
 162   UpdateTouchscreenDevices(screens);
 163   std::vector<ui::KeyboardDevice> keyboards;
 164   keyboards.push_back(ui::KeyboardDevice(
 165       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
 166   UpdateKeyboardDevices(keyboards);
 167   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 168   // Remove the internal keyboard. Virtual keyboard should now show.
 169   UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
 170   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
 171   // Replug in the internal keyboard. Virtual keyboard should hide.
 172   UpdateKeyboardDevices(keyboards);
 173   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 174 }
 175
 176 TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfNoTouchScreen) {
 177   std::vector<ui::TouchscreenDevice> devices;
 178   // Add a touchscreen. Keyboard should deploy.
 179   devices.push_back(
 180       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
 181                             "Touchscreen", gfx::Size(800, 600), 0));
 182   UpdateTouchscreenDevices(devices);
 183   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
 184   // Remove touchscreen. Keyboard should hide.
 185   UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
 186   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 187 }
 188
 189 TEST_F(VirtualKeyboardControllerAutoTest, SuppressedIfExternalKeyboardPresent) {
 190   std::vector<ui::TouchscreenDevice> screens;
 191   screens.push_back(
 192       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
 193                             "Touchscreen", gfx::Size(1024, 768), 0));
 194   UpdateTouchscreenDevices(screens);
 195   std::vector<ui::KeyboardDevice> keyboards;
 196   keyboards.push_back(ui::KeyboardDevice(
 197       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
 198   UpdateKeyboardDevices(keyboards);
 199   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 200   ASSERT_TRUE(notified());
 201   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 202   // Toggle show keyboard. Keyboard should be visible.
 203   ResetObserver();
 204   Shell::GetInstance()
 205       ->virtual_keyboard_controller()
 206       ->ToggleIgnoreExternalKeyboard();
 207   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 208   ASSERT_TRUE(notified());
 209   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 210   // Toggle show keyboard. Keyboard should be hidden.
 211   ResetObserver();
 212   Shell::GetInstance()
 213       ->virtual_keyboard_controller()
 214       ->ToggleIgnoreExternalKeyboard();
 215   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 216   ASSERT_TRUE(notified());
 217   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 218   // Remove external keyboard. Should be notified that the keyboard is not
 219   // suppressed.
 220   ResetObserver();
 221   UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
 222   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 223   ASSERT_TRUE(notified());
 224   ASSERT_FALSE(IsVirtualKeyboardSuppressed());
 225 }
 226
 227 // Tests handling multiple keyboards. Catches crbug.com/430252
 228 TEST_F(VirtualKeyboardControllerAutoTest, HandleMultipleKeyboardsPresent) {
 229   std::vector<ui::KeyboardDevice> keyboards;
 230   keyboards.push_back(ui::KeyboardDevice(
 231       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
 232   keyboards.push_back(ui::KeyboardDevice(
 233       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
 234   keyboards.push_back(ui::KeyboardDevice(
 235       3, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
 236   UpdateKeyboardDevices(keyboards);
 237   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 238 }
 239
 240 // Tests maximized mode interaction without disabling the internal keyboard.
 241 TEST_F(VirtualKeyboardControllerAutoTest, EnabledDuringMaximizeMode) {
 242   std::vector<ui::TouchscreenDevice> screens;
 243   screens.push_back(
 244       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
 245                             "Touchscreen", gfx::Size(1024, 768), 0));
 246   UpdateTouchscreenDevices(screens);
 247   std::vector<ui::KeyboardDevice> keyboards;
 248   keyboards.push_back(ui::KeyboardDevice(
 249       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "Keyboard"));
 250   UpdateKeyboardDevices(keyboards);
 251   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 252   // Toggle maximized mode on.
 253   Shell::GetInstance()
 254       ->maximize_mode_controller()
 255       ->EnableMaximizeModeWindowManager(true);
 256   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 257   // Toggle maximized mode off.
 258   Shell::GetInstance()
 259       ->maximize_mode_controller()
 260       ->EnableMaximizeModeWindowManager(false);
 261   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 262 }
 263
 264 // Tests that keyboard gets suppressed in maximized mode.
 265 TEST_F(VirtualKeyboardControllerAutoTest, SuppressedInMaximizedMode) {
 266   std::vector<ui::TouchscreenDevice> screens;
 267   screens.push_back(
 268       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
 269                             "Touchscreen", gfx::Size(1024, 768), 0));
 270   UpdateTouchscreenDevices(screens);
 271   std::vector<ui::KeyboardDevice> keyboards;
 272   keyboards.push_back(ui::KeyboardDevice(
 273       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "Keyboard"));
 274   keyboards.push_back(ui::KeyboardDevice(
 275       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "Keyboard"));
 276   UpdateKeyboardDevices(keyboards);
 277   // Toggle maximized mode on.
 278   Shell::GetInstance()
 279       ->maximize_mode_controller()
 280       ->EnableMaximizeModeWindowManager(true);
 281   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 282   ASSERT_TRUE(notified());
 283   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 284   // Toggle show keyboard. Keyboard should be visible.
 285   ResetObserver();
 286   Shell::GetInstance()
 287       ->virtual_keyboard_controller()
 288       ->ToggleIgnoreExternalKeyboard();
 289   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 290   ASSERT_TRUE(notified());
 291   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 292   // Toggle show keyboard. Keyboard should be hidden.
 293   ResetObserver();
 294   Shell::GetInstance()
 295       ->virtual_keyboard_controller()
 296       ->ToggleIgnoreExternalKeyboard();
 297   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 298   ASSERT_TRUE(notified());
 299   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 300   // Remove external keyboard. Should be notified that the keyboard is not
 301   // suppressed.
 302   ResetObserver();
 303   keyboards.pop_back();
 304   UpdateKeyboardDevices(keyboards);
 305   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 306   ASSERT_TRUE(notified());
 307   ASSERT_FALSE(IsVirtualKeyboardSuppressed());
 308   // Toggle maximized mode oFF.
 309   Shell::GetInstance()
 310       ->maximize_mode_controller()
 311       ->EnableMaximizeModeWindowManager(false);
 312   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 313 }
 314
 315 class VirtualKeyboardControllerAlwaysEnabledTest
 316     : public VirtualKeyboardControllerAutoTest {
 317  public:
 318   VirtualKeyboardControllerAlwaysEnabledTest()
 319       : VirtualKeyboardControllerAutoTest() {}
 320   ~VirtualKeyboardControllerAlwaysEnabledTest() override {}
 321
 322   void SetUp() override {
 323     base::CommandLine::ForCurrentProcess()->AppendSwitch(
 324         keyboard::switches::kEnableVirtualKeyboard);
 325     VirtualKeyboardControllerAutoTest::SetUp();
 326   }
 327
 328  private:
 329   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAlwaysEnabledTest);
 330 };
 331
 332 // Tests that the controller cannot suppress the keyboard if the virtual
 333 // keyboard always enabled flag is active.
 334 TEST_F(VirtualKeyboardControllerAlwaysEnabledTest, DoesNotSuppressKeyboard) {
 335   std::vector<ui::TouchscreenDevice> screens;
 336   screens.push_back(
 337       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
 338                             "Touchscreen", gfx::Size(1024, 768), 0));
 339   UpdateTouchscreenDevices(screens);
 340   std::vector<ui::KeyboardDevice> keyboards;
 341   keyboards.push_back(ui::KeyboardDevice(
 342       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
 343   UpdateKeyboardDevices(keyboards);
 344   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 345 }
 346
 347 }  // namespace test
 348 }  // namespace ash