Automatic deployment of the virtual keyboard.

ash/virtual_keyboard_controller_unittest.cc

 // 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 <vector>
+
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
+#include "base/command_line.h"
+#include "ui/events/device_data_manager.h"
+#include "ui/events/device_hotplug_event_observer.h"
+#include "ui/events/input_device.h"
+#include "ui/events/keyboard_device.h"
+#include "ui/events/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 {
 
-typedef AshTestBase VirtualKeyboardControllerTest;
+class VirtualKeyboardControllerTest: public AshTestBase {
+ public:
+  VirtualKeyboardControllerTest() {}
+  virtual ~VirtualKeyboardControllerTest() {}
+
+  void EnableAutoVirtualKeyboard() {
+    CommandLine::ForCurrentProcess()->AppendSwitch(
+        keyboard::switches::kAutoVirtualKeyboard);
+  }
+
+  void UpdateDevices(std::vector<ui::TouchscreenDevice> touchscreen_devices,
+      std::vector<ui::KeyboardDevice> keyboard_devices) {
+    ui::DeviceHotplugEventObserver* manager =
+        ui::DeviceDataManager::GetInstance();
+    manager->OnTouchscreenDevicesUpdated(touchscreen_devices);
+    manager->OnKeyboardDevicesUpdated(keyboard_devices);
+  }
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
+};
 
 // Tests that the onscreen keyboard becomes enabled when maximize mode is
 // enabled.
 TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
   Shell::GetInstance()->maximize_mode_controller()->
       EnableMaximizeModeWindowManager(true);
   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
   Shell::GetInstance()->maximize_mode_controller()->
       EnableMaximizeModeWindowManager(false);
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
+
+  // Test that enabling the flag still causes this test to pass.
+  EnableAutoVirtualKeyboard();
+  std::vector<ui::TouchscreenDevice> devices;
+  devices.push_back(ui::TouchscreenDevice(1, ui::InputDeviceType::INTERNAL,
+      "Touchscreen", gfx::Size(1024, 768)));
+  ASSERT_FALSE(keyboard::IsKeyboardEnabled());
+  Shell::GetInstance()->maximize_mode_controller()->
+      EnableMaximizeModeWindowManager(true);
+  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
+  Shell::GetInstance()->maximize_mode_controller()->
+      EnableMaximizeModeWindowManager(false);
+  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 }
 
+TEST_F(VirtualKeyboardControllerTest, DisabledIfNoInternalTouchScreen) {
+  EnableAutoVirtualKeyboard();
+  UpdateDevices({}, {});
+  ASSERT_FALSE(keyboard::IsKeyboardEnabled());
+  std::vector<ui::TouchscreenDevice> devices;
+  // Add external touchscreen device. Keyboard should not deploy.
+  devices.push_back(ui::TouchscreenDevice(1, ui::InputDeviceType::EXTERNAL,
+      "Touchscreen External", gfx::Size(800, 600)));
+  UpdateDevices(devices, {});
+  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
+  // Add internal touchscreen device. Keyboard should deploy.
+  devices.push_back(ui::TouchscreenDevice(2, ui::InputDeviceType::INTERNAL,
+      "Touchscreen", gfx::Size(1024, 768)));
+  UpdateDevices(devices, {});
+  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
+}
+
+TEST_F(VirtualKeyboardControllerTest, MaximizeModeIgnoresInternalKeyboard) {
+  EnableAutoVirtualKeyboard();
+  std::vector<ui::TouchscreenDevice> screens;
+  std::vector<ui::KeyboardDevice> keyboards;
+  // Mock a device with a touchscreen and internal keyboard.
+  screens.push_back(ui::TouchscreenDevice(2, ui::InputDeviceType::INTERNAL,
+      "Touchscreen", gfx::Size(1024, 768)));
+  keyboards.push_back(ui::KeyboardDevice(1, ui::InputDeviceType::INTERNAL,
+      "Keyboard"));
+  UpdateDevices(screens, keyboards);
+  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
+  // Enable maximize mode. Should now ignore the internal keyboard.
+  Shell::GetInstance()->maximize_mode_controller()->
+      EnableMaximizeModeWindowManager(true);
+  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
+}
+
 }  // namespace test
 }  // namespace ash