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 "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() {}
 
-// Tests that the onscreen keyboard becomes enabled when maximize mode is
-// enabled.
+  void EnableAutoVirtualKeyboard() {
+    CommandLine::ForCurrentProcess()->AppendSwitch(
+        keyboard::switches::kAutoVirtualKeyboard);

[flackr, 2014/10/27 15:33:13]

Since flags often affect initialization logic it would be preferable to create a
separate suite for testing with the flag. I.e. extend
VirtualKeyboardControllerTest with VirtualKeyboardControllerAutoTest which adds
the flag before calling AshTestBase::SetUp.

[rsadam, 2014/10/27 15:51:19]

Done.

+  }
+
+  void UpdateTouchscreenDevices(
+      std::vector<ui::TouchscreenDevice> touchscreen_devices) {
+    ui::DeviceHotplugEventObserver* manager =
+        ui::DeviceDataManager::GetInstance();
+    manager->OnTouchscreenDevicesUpdated(touchscreen_devices);
+  }
+
+  void UpdateKeyboardDevices(std::vector<ui::KeyboardDevice> keyboard_devices) {
+    ui::DeviceHotplugEventObserver* manager =
+        ui::DeviceDataManager::GetInstance();
+    manager->OnKeyboardDevicesUpdated(keyboard_devices);
+  }
+
+  void SetUp() override {
+    AshTestBase::SetUp();
+    UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
+    UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
+};
+
 TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
   ASSERT_FALSE(keyboard::IsKeyboardEnabled());
-  Shell::GetInstance()->maximize_mode_controller()->
-      EnableMaximizeModeWindowManager(true);
+  // Toggle maximized mode on.
+  Shell::GetInstance()
+      ->maximize_mode_controller()
+      ->EnableMaximizeModeWindowManager(true);
   EXPECT_TRUE(keyboard::IsKeyboardEnabled());
-  Shell::GetInstance()->maximize_mode_controller()->
-      EnableMaximizeModeWindowManager(false);
+  // Toggle maximized mode off.
+  Shell::GetInstance()
+      ->maximize_mode_controller()
+      ->EnableMaximizeModeWindowManager(false);
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
 }
 
+// Tests that the onscreen keyboard is disabled if an internal keyboard is
+// present.
+TEST_F(VirtualKeyboardControllerTest, DisabledIfInternalKeyboardPresent) {
+  EnableAutoVirtualKeyboard();
+  std::vector<ui::TouchscreenDevice> screens;
+  screens.push_back(
+      ui::TouchscreenDevice(1,
+                            ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
+                            "Touchscreen",
+                            gfx::Size(1024, 768)));
+  UpdateTouchscreenDevices(screens);
+  std::vector<ui::KeyboardDevice> keyboards;
+  keyboards.push_back(ui::KeyboardDevice(
+      1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL, "keyboard"));
+  UpdateKeyboardDevices(keyboards);
+  ASSERT_FALSE(keyboard::IsKeyboardEnabled());
+  // Remove the internal keyboard. Virtual keyboard should now show.
+  UpdateKeyboardDevices(std::vector<ui::KeyboardDevice>());
+  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
+  // Replug in the internal keyboard. Virtual keyboard should hide.
+  UpdateKeyboardDevices(keyboards);
+  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
+}
+
+TEST_F(VirtualKeyboardControllerTest, DisabledIfNoTouchScreen) {
+  EnableAutoVirtualKeyboard();
+  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)));
+  UpdateTouchscreenDevices(devices);
+  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
+  // Remove touchscreen. Keyboard should hide.
+  UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
+  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
+}
+
 }  // namespace test
 }  // namespace ash