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()
  50         ->maximize_mode_controller()
  51         ->event_blocker_ = blocker.Pass();
  52   }
  53
  54   void SetUp() override {
  55     base::CommandLine::ForCurrentProcess()->AppendSwitch(
  56         keyboard::switches::kDisableSmartVirtualKeyboard);
  57     AshTestBase::SetUp();
  58     UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
  59     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
  60   }
  61
  62  private:
  63   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
  64 };
  65
  66 TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
  67   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
  68   // Toggle maximized mode on.
  69   Shell::GetInstance()
  70       ->maximize_mode_controller()
  71       ->EnableMaximizeModeWindowManager(true);
  72   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
  73   // Toggle maximized mode off.
  74   Shell::GetInstance()
  75       ->maximize_mode_controller()
  76       ->EnableMaximizeModeWindowManager(false);
  77   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
  78 }
  79
  80 // Mock event blocker that enables the internal keyboard when it's destructor
  81 // is called.
  82 class MockEventBlocker : public ScopedDisableInternalMouseAndKeyboard {
  83  public:
  84   MockEventBlocker() {}
  85   ~MockEventBlocker() override {
  86     std::vector<ui::KeyboardDevice> keyboards;
  87     keyboards.push_back(
  88         ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
  89     ui::DeviceHotplugEventObserver* manager =
  90         ui::DeviceDataManager::GetInstance();
  91     manager->OnKeyboardDevicesUpdated(keyboards);
  92   }
  93
  94  private:
  95   DISALLOW_COPY_AND_ASSIGN(MockEventBlocker);
  96 };
  97
  98 // Tests that reenabling keyboard devices while shutting down does not
  99 // cause the Virtual Keyboard Controller to crash. See crbug.com/446204.
 100 TEST_F(VirtualKeyboardControllerTest, RestoreKeyboardDevices) {
 101   // Toggle maximized mode on.
 102   Shell::GetInstance()
 103       ->maximize_mode_controller()
 104       ->EnableMaximizeModeWindowManager(true);
 105   scoped_ptr<ScopedDisableInternalMouseAndKeyboard>
 106       blocker(new MockEventBlocker);
 107   SetEventBlocker(blocker.Pass());
 108 }
 109
 110 class VirtualKeyboardControllerAutoTest : public VirtualKeyboardControllerTest,
 111                                           public VirtualKeyboardObserver {
 112  public:
 113   VirtualKeyboardControllerAutoTest() : notified_(false), suppressed_(false) {}
 114   ~VirtualKeyboardControllerAutoTest() override {}
 115
 116   void SetUp() override {
 117     AshTestBase::SetUp();
 118     // Set the current list of devices to empty so that they don't interfere
 119     // with the test.
 120     UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
 121     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
 122     Shell::GetInstance()->system_tray_notifier()->AddVirtualKeyboardObserver(
 123         this);
 124   }
 125
 126   void TearDown() override {
 127     Shell::GetInstance()->system_tray_notifier()->RemoveVirtualKeyboardObserver(
 128         this);
 129     AshTestBase::TearDown();
 130   }
 131
 132   void OnKeyboardSuppressionChanged(bool suppressed) override {
 133     notified_ = true;
 134     suppressed_ = suppressed;
 135   }
 136
 137   void ResetObserver() {
 138     suppressed_ = false;
 139     notified_ = false;
 140   }
 141
 142   bool IsVirtualKeyboardSuppressed() { return suppressed_; }
 143
 144   bool notified() { return notified_; }
 145
 146  private:
 147   // Whether the observer method was called.
 148   bool notified_;
 149
 150   // Whether the keeyboard is suppressed.
 151   bool suppressed_;
 152
 153   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAutoTest);
 154 };
 155
 156 // Tests that the onscreen keyboard is disabled if an internal keyboard is
 157 // present.
 158 TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfInternalKeyboardPresent) {
 159   std::vector<ui::TouchscreenDevice> screens;
 160   screens.push_back(ui::TouchscreenDevice(
 161       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, gfx::Size(1024, 768), 0));
 162   UpdateTouchscreenDevices(screens);
 163   std::vector<ui::KeyboardDevice> keyboards;
 164   keyboards.push_back(
 165       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 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(ui::TouchscreenDevice(
 180       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, gfx::Size(800, 600), 0));
 181   UpdateTouchscreenDevices(devices);
 182   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
 183   // Remove touchscreen. Keyboard should hide.
 184   UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
 185   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 186 }
 187
 188 TEST_F(VirtualKeyboardControllerAutoTest, SuppressedIfExternalKeyboardPresent) {
 189   std::vector<ui::TouchscreenDevice> screens;
 190   screens.push_back(ui::TouchscreenDevice(
 191       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, gfx::Size(1024, 768), 0));
 192   UpdateTouchscreenDevices(screens);
 193   std::vector<ui::KeyboardDevice> keyboards;
 194   keyboards.push_back(
 195       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL));
 196   UpdateKeyboardDevices(keyboards);
 197   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 198   ASSERT_TRUE(notified());
 199   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 200   // Toggle show keyboard. Keyboard should be visible.
 201   ResetObserver();
 202   Shell::GetInstance()
 203       ->virtual_keyboard_controller()
 204       ->ToggleIgnoreExternalKeyboard();
 205   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 206   ASSERT_TRUE(notified());
 207   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 208   // Toggle show keyboard. Keyboard should be hidden.
 209   ResetObserver();
 210   Shell::GetInstance()
 211       ->virtual_keyboard_controller()
 212       ->ToggleIgnoreExternalKeyboard();
 213   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 214   ASSERT_TRUE(notified());
 215   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
 216   // Remove external keyboard. Should be notified that the keyboard is not
 217   // suppressed.
 218   ResetObserver();
 219   UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
 220   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 221   ASSERT_TRUE(notified());
 222   ASSERT_FALSE(IsVirtualKeyboardSuppressed());
 223 }
 224
 225 // Tests handling multiple keyboards. Catches crbug.com/430252
 226 TEST_F(VirtualKeyboardControllerAutoTest, HandleMultipleKeyboardsPresent) {
 227   std::vector<ui::KeyboardDevice> keyboards;
 228   keyboards.push_back(
 229       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL));
 230   keyboards.push_back(
 231       ui::KeyboardDevice(2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL));
 232   keyboards.push_back(
 233       ui::KeyboardDevice(3, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL));
 234   UpdateKeyboardDevices(keyboards);
 235   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 236 }
 237
 238 class VirtualKeyboardControllerAlwaysEnabledTest
 239     : public VirtualKeyboardControllerAutoTest {
 240  public:
 241   VirtualKeyboardControllerAlwaysEnabledTest()
 242       : VirtualKeyboardControllerAutoTest() {}
 243   ~VirtualKeyboardControllerAlwaysEnabledTest() override {}
 244
 245   void SetUp() override {
 246     base::CommandLine::ForCurrentProcess()->AppendSwitch(
 247         keyboard::switches::kEnableVirtualKeyboard);
 248     VirtualKeyboardControllerAutoTest::SetUp();
 249   }
 250
 251  private:
 252   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAlwaysEnabledTest);
 253 };
 254
 255 // Tests that the controller cannot suppress the keyboard if the virtual
 256 // keyboard always enabled flag is active.
 257 TEST_F(VirtualKeyboardControllerAlwaysEnabledTest, DoesNotSuppressKeyboard) {
 258   std::vector<ui::TouchscreenDevice> screens;
 259   screens.push_back(ui::TouchscreenDevice(
 260       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, gfx::Size(1024, 768), 0));
 261   UpdateTouchscreenDevices(screens);
 262   std::vector<ui::KeyboardDevice> keyboards;
 263   keyboards.push_back(
 264       ui::KeyboardDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL));
 265   UpdateKeyboardDevices(keyboards);
 266   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 267 }
 268
 269 }  // namespace test
 270 }  // namespace ash