ash/virtual_keyboard_controller_unittest.cc - chromium/src.git - Git at Google

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "ash/virtual_keyboard_controller.h"

 #include <utility>
 #include <vector>

 #include "ash/common/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard.h"
 #include "ash/common/wm_shell.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/command_line.h"
 #include "ui/events/devices/device_data_manager.h"
 #include "ui/events/devices/device_hotplug_event_observer.h"
 #include "ui/events/devices/input_device.h"
 #include "ui/events/devices/touchscreen_device.h"
 #include "ui/keyboard/keyboard_export.h"
 #include "ui/keyboard/keyboard_switches.h"
 #include "ui/keyboard/keyboard_util.h"

 namespace ash {
 namespace test {

 class VirtualKeyboardControllerTest : public AshTestBase {
  public:
   VirtualKeyboardControllerTest() {}
   ~VirtualKeyboardControllerTest() override {}

   void UpdateTouchscreenDevices(
       std::vector<ui::TouchscreenDevice> touchscreen_devices) {
     ui::DeviceHotplugEventObserver* manager =
         ui::DeviceDataManager::GetInstance();
     manager->OnTouchscreenDevicesUpdated(touchscreen_devices);
   }

   void UpdateKeyboardDevices(std::vector<ui::InputDevice> keyboard_devices) {
     ui::DeviceHotplugEventObserver* manager =
         ui::DeviceDataManager::GetInstance();
     manager->OnKeyboardDevicesUpdated(keyboard_devices);
   }

   // Sets the event blocker on the maximized window controller.
   void SetEventBlocker(
       std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> blocker) {
     WmShell::Get()->maximize_mode_controller()->event_blocker_ =
         std::move(blocker);
   }

   void SetUp() override {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         keyboard::switches::kDisableSmartVirtualKeyboard);
     AshTestBase::SetUp();
     UpdateKeyboardDevices(std::vector<ui::InputDevice>());
     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
   }

  private:
   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
 };

 TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   // Toggle maximized mode on.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       true);
   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
   // Toggle maximized mode off.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       false);
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 }

 // Mock event blocker that enables the internal keyboard when it's destructor
 // is called.
 class MockEventBlocker : public ScopedDisableInternalMouseAndKeyboard {
  public:
   MockEventBlocker() {}
   ~MockEventBlocker() override {
     std::vector<ui::InputDevice> keyboard_devices;
     keyboard_devices.push_back(ui::InputDevice(
         1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
     ui::DeviceHotplugEventObserver* manager =
         ui::DeviceDataManager::GetInstance();
     manager->OnKeyboardDevicesUpdated(keyboard_devices);
   }

  private:
   DISALLOW_COPY_AND_ASSIGN(MockEventBlocker);
 };

 // Tests that reenabling keyboard devices while shutting down does not
 // cause the Virtual Keyboard Controller to crash. See crbug.com/446204.
 TEST_F(VirtualKeyboardControllerTest, RestoreKeyboardDevices) {
   // Toggle maximized mode on.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       true);
   std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> blocker(
       new MockEventBlocker);
   SetEventBlocker(std::move(blocker));
 }

 class VirtualKeyboardControllerAutoTest : public VirtualKeyboardControllerTest,
                                           public VirtualKeyboardObserver {
  public:
   VirtualKeyboardControllerAutoTest() : notified_(false), suppressed_(false) {}
   ~VirtualKeyboardControllerAutoTest() override {}

   void SetUp() override {
     AshTestBase::SetUp();
     // Set the current list of devices to empty so that they don't interfere
     // with the test.
     UpdateKeyboardDevices(std::vector<ui::InputDevice>());
     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
     WmShell::Get()->system_tray_notifier()->AddVirtualKeyboardObserver(this);
   }

   void TearDown() override {
     WmShell::Get()->system_tray_notifier()->RemoveVirtualKeyboardObserver(this);
     AshTestBase::TearDown();
   }

   void OnKeyboardSuppressionChanged(bool suppressed) override {
     notified_ = true;
     suppressed_ = suppressed;
   }

   void ResetObserver() {
     suppressed_ = false;
     notified_ = false;
   }

   bool IsVirtualKeyboardSuppressed() { return suppressed_; }

   bool notified() { return notified_; }

  private:
   // Whether the observer method was called.
   bool notified_;

   // Whether the keeyboard is suppressed.
   bool suppressed_;

   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAutoTest);
 };

 // Tests that the onscreen keyboard is disabled if an internal keyboard is
 // present and maximized mode is disabled.
 TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfInternalKeyboardPresent) {
   std::vector<ui::TouchscreenDevice> screens;
   screens.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
                             "Touchscreen", gfx::Size(1024, 768), 0));
   UpdateTouchscreenDevices(screens);
   std::vector<ui::InputDevice> keyboard_devices;
   keyboard_devices.push_back(ui::InputDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
   UpdateKeyboardDevices(keyboard_devices);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   // Remove the internal keyboard. Virtual keyboard should now show.
   UpdateKeyboardDevices(std::vector<ui::InputDevice>());
   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
   // Replug in the internal keyboard. Virtual keyboard should hide.
   UpdateKeyboardDevices(keyboard_devices);
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 }

 TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfNoTouchScreen) {
   std::vector<ui::TouchscreenDevice> devices;
   // Add a touchscreen. Keyboard should deploy.
   devices.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
                             "Touchscreen", gfx::Size(800, 600), 0));
   UpdateTouchscreenDevices(devices);
   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
   // Remove touchscreen. Keyboard should hide.
   UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 }

 TEST_F(VirtualKeyboardControllerAutoTest, SuppressedIfExternalKeyboardPresent) {
   std::vector<ui::TouchscreenDevice> screens;
   screens.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
                             "Touchscreen", gfx::Size(1024, 768), 0));
   UpdateTouchscreenDevices(screens);
   std::vector<ui::InputDevice> keyboard_devices;
   keyboard_devices.push_back(ui::InputDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
   UpdateKeyboardDevices(keyboard_devices);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
   // Toggle show keyboard. Keyboard should be visible.
   ResetObserver();
   Shell::GetInstance()
       ->virtual_keyboard_controller()
       ->ToggleIgnoreExternalKeyboard();
   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
   // Toggle show keyboard. Keyboard should be hidden.
   ResetObserver();
   Shell::GetInstance()
       ->virtual_keyboard_controller()
       ->ToggleIgnoreExternalKeyboard();
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
   // Remove external keyboard. Should be notified that the keyboard is not
   // suppressed.
   ResetObserver();
   UpdateKeyboardDevices(std::vector<ui::InputDevice>());
   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_FALSE(IsVirtualKeyboardSuppressed());
 }

 // Tests handling multiple keyboards. Catches crbug.com/430252
 TEST_F(VirtualKeyboardControllerAutoTest, HandleMultipleKeyboardsPresent) {
   std::vector<ui::InputDevice> keyboards;
   keyboards.push_back(ui::InputDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
   keyboards.push_back(ui::InputDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
   keyboards.push_back(ui::InputDevice(
       3, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
   UpdateKeyboardDevices(keyboards);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 }

 // Tests maximized mode interaction without disabling the internal keyboard.
 TEST_F(VirtualKeyboardControllerAutoTest, EnabledDuringMaximizeMode) {
   std::vector<ui::TouchscreenDevice> screens;
   screens.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
                             "Touchscreen", gfx::Size(1024, 768), 0));
   UpdateTouchscreenDevices(screens);
   std::vector<ui::InputDevice> keyboard_devices;
   keyboard_devices.push_back(ui::InputDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "Keyboard"));
   UpdateKeyboardDevices(keyboard_devices);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   // Toggle maximized mode on.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       true);
   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
   // Toggle maximized mode off.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       false);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 }

 // Tests that keyboard gets suppressed in maximized mode.
 TEST_F(VirtualKeyboardControllerAutoTest, SuppressedInMaximizedMode) {
   std::vector<ui::TouchscreenDevice> screens;
   screens.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
                             "Touchscreen", gfx::Size(1024, 768), 0));
   UpdateTouchscreenDevices(screens);
   std::vector<ui::InputDevice> keyboard_devices;
   keyboard_devices.push_back(ui::InputDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "Keyboard"));
   keyboard_devices.push_back(ui::InputDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "Keyboard"));
   UpdateKeyboardDevices(keyboard_devices);
   // Toggle maximized mode on.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       true);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
   // Toggle show keyboard. Keyboard should be visible.
   ResetObserver();
   Shell::GetInstance()
       ->virtual_keyboard_controller()
       ->ToggleIgnoreExternalKeyboard();
   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
   // Toggle show keyboard. Keyboard should be hidden.
   ResetObserver();
   Shell::GetInstance()
       ->virtual_keyboard_controller()
       ->ToggleIgnoreExternalKeyboard();
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_TRUE(IsVirtualKeyboardSuppressed());
   // Remove external keyboard. Should be notified that the keyboard is not
   // suppressed.
   ResetObserver();
   keyboard_devices.pop_back();
   UpdateKeyboardDevices(keyboard_devices);
   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
   ASSERT_TRUE(notified());
   ASSERT_FALSE(IsVirtualKeyboardSuppressed());
   // Toggle maximized mode oFF.
   WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
       false);
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
 }

 class VirtualKeyboardControllerAlwaysEnabledTest
     : public VirtualKeyboardControllerAutoTest {
  public:
   VirtualKeyboardControllerAlwaysEnabledTest()
       : VirtualKeyboardControllerAutoTest() {}
   ~VirtualKeyboardControllerAlwaysEnabledTest() override {}

   void SetUp() override {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         keyboard::switches::kEnableVirtualKeyboard);
     VirtualKeyboardControllerAutoTest::SetUp();
   }

  private:
   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAlwaysEnabledTest);
 };

 // Tests that the controller cannot suppress the keyboard if the virtual
 // keyboard always enabled flag is active.
 TEST_F(VirtualKeyboardControllerAlwaysEnabledTest, DoesNotSuppressKeyboard) {
   std::vector<ui::TouchscreenDevice> screens;
   screens.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
                             "Touchscreen", gfx::Size(1024, 768), 0));
   UpdateTouchscreenDevices(screens);
   std::vector<ui::InputDevice> keyboard_devices;
   keyboard_devices.push_back(ui::InputDevice(
       1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
   UpdateKeyboardDevices(keyboard_devices);
   ASSERT_TRUE(keyboard::IsKeyboardEnabled());
 }

 }  // namespace test
 }  // namespace ash
	// Copyright 2014 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "ash/virtual_keyboard_controller.h"

	#include <utility>
	#include <vector>

	#include "ash/common/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
	#include "ash/common/system/tray/system_tray_notifier.h"
	#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
	#include "ash/common/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard.h"
	#include "ash/common/wm_shell.h"
	#include "ash/shell.h"
	#include "ash/test/ash_test_base.h"
	#include "base/command_line.h"
	#include "ui/events/devices/device_data_manager.h"
	#include "ui/events/devices/device_hotplug_event_observer.h"
	#include "ui/events/devices/input_device.h"
	#include "ui/events/devices/touchscreen_device.h"
	#include "ui/keyboard/keyboard_export.h"
	#include "ui/keyboard/keyboard_switches.h"
	#include "ui/keyboard/keyboard_util.h"

	namespace ash {
	namespace test {

	class VirtualKeyboardControllerTest : public AshTestBase {
	public:
	VirtualKeyboardControllerTest() {}
	~VirtualKeyboardControllerTest() override {}

	void UpdateTouchscreenDevices(
	std::vector<ui::TouchscreenDevice> touchscreen_devices) {
	ui::DeviceHotplugEventObserver* manager =
	ui::DeviceDataManager::GetInstance();
	manager->OnTouchscreenDevicesUpdated(touchscreen_devices);
	}

	void UpdateKeyboardDevices(std::vector<ui::InputDevice> keyboard_devices) {
	ui::DeviceHotplugEventObserver* manager =
	ui::DeviceDataManager::GetInstance();
	manager->OnKeyboardDevicesUpdated(keyboard_devices);
	}

	// Sets the event blocker on the maximized window controller.
	void SetEventBlocker(
	std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> blocker) {
	WmShell::Get()->maximize_mode_controller()->event_blocker_ =
	std::move(blocker);
	}

	void SetUp() override {
	base::CommandLine::ForCurrentProcess()->AppendSwitch(
	keyboard::switches::kDisableSmartVirtualKeyboard);
	AshTestBase::SetUp();
	UpdateKeyboardDevices(std::vector<ui::InputDevice>());
	UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
	}

	private:
	DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
	};

	TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	// Toggle maximized mode on.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	true);
	EXPECT_TRUE(keyboard::IsKeyboardEnabled());
	// Toggle maximized mode off.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	false);
	EXPECT_FALSE(keyboard::IsKeyboardEnabled());
	}

	// Mock event blocker that enables the internal keyboard when it's destructor
	// is called.
	class MockEventBlocker : public ScopedDisableInternalMouseAndKeyboard {
	public:
	MockEventBlocker() {}
	~MockEventBlocker() override {
	std::vector<ui::InputDevice> keyboard_devices;
	keyboard_devices.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
	ui::DeviceHotplugEventObserver* manager =
	ui::DeviceDataManager::GetInstance();
	manager->OnKeyboardDevicesUpdated(keyboard_devices);
	}

	private:
	DISALLOW_COPY_AND_ASSIGN(MockEventBlocker);
	};

	// Tests that reenabling keyboard devices while shutting down does not
	// cause the Virtual Keyboard Controller to crash. See crbug.com/446204.
	TEST_F(VirtualKeyboardControllerTest, RestoreKeyboardDevices) {
	// Toggle maximized mode on.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	true);
	std::unique_ptr<ScopedDisableInternalMouseAndKeyboard> blocker(
	new MockEventBlocker);
	SetEventBlocker(std::move(blocker));
	}

	class VirtualKeyboardControllerAutoTest : public VirtualKeyboardControllerTest,
	public VirtualKeyboardObserver {
	public:
	VirtualKeyboardControllerAutoTest() : notified_(false), suppressed_(false) {}
	~VirtualKeyboardControllerAutoTest() override {}

	void SetUp() override {
	AshTestBase::SetUp();
	// Set the current list of devices to empty so that they don't interfere
	// with the test.
	UpdateKeyboardDevices(std::vector<ui::InputDevice>());
	UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
	WmShell::Get()->system_tray_notifier()->AddVirtualKeyboardObserver(this);
	}

	void TearDown() override {
	WmShell::Get()->system_tray_notifier()->RemoveVirtualKeyboardObserver(this);
	AshTestBase::TearDown();
	}

	void OnKeyboardSuppressionChanged(bool suppressed) override {
	notified_ = true;
	suppressed_ = suppressed;
	}

	void ResetObserver() {
	suppressed_ = false;
	notified_ = false;
	}

	bool IsVirtualKeyboardSuppressed() { return suppressed_; }

	bool notified() { return notified_; }

	private:
	// Whether the observer method was called.
	bool notified_;

	// Whether the keeyboard is suppressed.
	bool suppressed_;

	DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAutoTest);
	};

	// Tests that the onscreen keyboard is disabled if an internal keyboard is
	// present and maximized mode is disabled.
	TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfInternalKeyboardPresent) {
	std::vector<ui::TouchscreenDevice> screens;
	screens.push_back(
	ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
	"Touchscreen", gfx::Size(1024, 768), 0));
	UpdateTouchscreenDevices(screens);
	std::vector<ui::InputDevice> keyboard_devices;
	keyboard_devices.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
	UpdateKeyboardDevices(keyboard_devices);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	// Remove the internal keyboard. Virtual keyboard should now show.
	UpdateKeyboardDevices(std::vector<ui::InputDevice>());
	EXPECT_TRUE(keyboard::IsKeyboardEnabled());
	// Replug in the internal keyboard. Virtual keyboard should hide.
	UpdateKeyboardDevices(keyboard_devices);
	EXPECT_FALSE(keyboard::IsKeyboardEnabled());
	}

	TEST_F(VirtualKeyboardControllerAutoTest, DisabledIfNoTouchScreen) {
	std::vector<ui::TouchscreenDevice> devices;
	// Add a touchscreen. Keyboard should deploy.
	devices.push_back(
	ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
	"Touchscreen", gfx::Size(800, 600), 0));
	UpdateTouchscreenDevices(devices);
	EXPECT_TRUE(keyboard::IsKeyboardEnabled());
	// Remove touchscreen. Keyboard should hide.
	UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
	EXPECT_FALSE(keyboard::IsKeyboardEnabled());
	}

	TEST_F(VirtualKeyboardControllerAutoTest, SuppressedIfExternalKeyboardPresent) {
	std::vector<ui::TouchscreenDevice> screens;
	screens.push_back(
	ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
	"Touchscreen", gfx::Size(1024, 768), 0));
	UpdateTouchscreenDevices(screens);
	std::vector<ui::InputDevice> keyboard_devices;
	keyboard_devices.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
	UpdateKeyboardDevices(keyboard_devices);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_TRUE(IsVirtualKeyboardSuppressed());
	// Toggle show keyboard. Keyboard should be visible.
	ResetObserver();
	Shell::GetInstance()
	->virtual_keyboard_controller()
	->ToggleIgnoreExternalKeyboard();
	ASSERT_TRUE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_TRUE(IsVirtualKeyboardSuppressed());
	// Toggle show keyboard. Keyboard should be hidden.
	ResetObserver();
	Shell::GetInstance()
	->virtual_keyboard_controller()
	->ToggleIgnoreExternalKeyboard();
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_TRUE(IsVirtualKeyboardSuppressed());
	// Remove external keyboard. Should be notified that the keyboard is not
	// suppressed.
	ResetObserver();
	UpdateKeyboardDevices(std::vector<ui::InputDevice>());
	ASSERT_TRUE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_FALSE(IsVirtualKeyboardSuppressed());
	}

	// Tests handling multiple keyboards. Catches crbug.com/430252
	TEST_F(VirtualKeyboardControllerAutoTest, HandleMultipleKeyboardsPresent) {
	std::vector<ui::InputDevice> keyboards;
	keyboards.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
	keyboards.push_back(ui::InputDevice(
	2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
	keyboards.push_back(ui::InputDevice(
	3, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
	UpdateKeyboardDevices(keyboards);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	}

	// Tests maximized mode interaction without disabling the internal keyboard.
	TEST_F(VirtualKeyboardControllerAutoTest, EnabledDuringMaximizeMode) {
	std::vector<ui::TouchscreenDevice> screens;
	screens.push_back(
	ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
	"Touchscreen", gfx::Size(1024, 768), 0));
	UpdateTouchscreenDevices(screens);
	std::vector<ui::InputDevice> keyboard_devices;
	keyboard_devices.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "Keyboard"));
	UpdateKeyboardDevices(keyboard_devices);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	// Toggle maximized mode on.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	true);
	ASSERT_TRUE(keyboard::IsKeyboardEnabled());
	// Toggle maximized mode off.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	false);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	}

	// Tests that keyboard gets suppressed in maximized mode.
	TEST_F(VirtualKeyboardControllerAutoTest, SuppressedInMaximizedMode) {
	std::vector<ui::TouchscreenDevice> screens;
	screens.push_back(
	ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
	"Touchscreen", gfx::Size(1024, 768), 0));
	UpdateTouchscreenDevices(screens);
	std::vector<ui::InputDevice> keyboard_devices;
	keyboard_devices.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "Keyboard"));
	keyboard_devices.push_back(ui::InputDevice(
	2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "Keyboard"));
	UpdateKeyboardDevices(keyboard_devices);
	// Toggle maximized mode on.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	true);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_TRUE(IsVirtualKeyboardSuppressed());
	// Toggle show keyboard. Keyboard should be visible.
	ResetObserver();
	Shell::GetInstance()
	->virtual_keyboard_controller()
	->ToggleIgnoreExternalKeyboard();
	ASSERT_TRUE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_TRUE(IsVirtualKeyboardSuppressed());
	// Toggle show keyboard. Keyboard should be hidden.
	ResetObserver();
	Shell::GetInstance()
	->virtual_keyboard_controller()
	->ToggleIgnoreExternalKeyboard();
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_TRUE(IsVirtualKeyboardSuppressed());
	// Remove external keyboard. Should be notified that the keyboard is not
	// suppressed.
	ResetObserver();
	keyboard_devices.pop_back();
	UpdateKeyboardDevices(keyboard_devices);
	ASSERT_TRUE(keyboard::IsKeyboardEnabled());
	ASSERT_TRUE(notified());
	ASSERT_FALSE(IsVirtualKeyboardSuppressed());
	// Toggle maximized mode oFF.
	WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
	false);
	ASSERT_FALSE(keyboard::IsKeyboardEnabled());
	}

	class VirtualKeyboardControllerAlwaysEnabledTest
	: public VirtualKeyboardControllerAutoTest {
	public:
	VirtualKeyboardControllerAlwaysEnabledTest()
	: VirtualKeyboardControllerAutoTest() {}
	~VirtualKeyboardControllerAlwaysEnabledTest() override {}

	void SetUp() override {
	base::CommandLine::ForCurrentProcess()->AppendSwitch(
	keyboard::switches::kEnableVirtualKeyboard);
	VirtualKeyboardControllerAutoTest::SetUp();
	}

	private:
	DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerAlwaysEnabledTest);
	};

	// Tests that the controller cannot suppress the keyboard if the virtual
	// keyboard always enabled flag is active.
	TEST_F(VirtualKeyboardControllerAlwaysEnabledTest, DoesNotSuppressKeyboard) {
	std::vector<ui::TouchscreenDevice> screens;
	screens.push_back(
	ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
	"Touchscreen", gfx::Size(1024, 768), 0));
	UpdateTouchscreenDevices(screens);
	std::vector<ui::InputDevice> keyboard_devices;
	keyboard_devices.push_back(ui::InputDevice(
	1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
	UpdateKeyboardDevices(keyboard_devices);
	ASSERT_TRUE(keyboard::IsKeyboardEnabled());
	}

	} // namespace test
	} // namespace ash