Revert of Remove confusing keyboard test & focus on input device

chrome/browser/ui/webui/chromeos/login/oobe_display_chooser_unittest.cc

 // Copyright 2017 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 "chrome/browser/ui/webui/chromeos/login/oobe_display_chooser.h"
 
 #include <memory>
-#include <vector>
 
 #include "ash/display/display_configuration_controller.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/display/display.h"
 #include "ui/display/display_observer.h"
-#include "ui/display/manager/chromeos/touchscreen_util.h"
 #include "ui/display/manager/display_manager.h"
 #include "ui/display/screen.h"
 #include "ui/display/test/display_manager_test_api.h"
-#include "ui/events/devices/device_data_manager.h"
-#include "ui/events/devices/touchscreen_device.h"
 
 namespace chromeos {
 
 namespace {
 
 class OobeDisplayChooserTest : public ash::test::AshTestBase {
  public:
   OobeDisplayChooserTest() : ash::test::AshTestBase() {}
 
+  void SetUp() override {
+    ash::test::AshTestBase::SetUp();
+    display_manager_test_api_.reset(
+        new display::test::DisplayManagerTestApi(display_manager()));
+  }
+
+  void EnableTouch(int64_t id) {
+    display_manager_test_api_->SetTouchSupport(
+        id, display::Display::TouchSupport::TOUCH_SUPPORT_AVAILABLE);
+  }
+
+  void DisableTouch(int64_t id) {
+    display_manager_test_api_->SetTouchSupport(
+        id, display::Display::TouchSupport::TOUCH_SUPPORT_UNAVAILABLE);
+  }
+
   int64_t GetPrimaryDisplay() {
     return display::Screen::GetScreen()->GetPrimaryDisplay().id();
   }
 
-  void UpdateTouchscreenDevices(const ui::TouchscreenDevice& touchscreen) {
-    std::vector<ui::TouchscreenDevice> devices{touchscreen};
+ private:
+  std::unique_ptr<display::test::DisplayManagerTestApi>
+      display_manager_test_api_;
 
-    ui::DeviceHotplugEventObserver* manager =
-        ui::DeviceDataManager::GetInstance();
-    manager->OnTouchscreenDevicesUpdated(devices);
-  }
-
- private:
   DISALLOW_COPY_AND_ASSIGN(OobeDisplayChooserTest);
 };
 
-const uint16_t kWhitelistedId = 0x266e;
-
 }  // namespace
 
 TEST_F(OobeDisplayChooserTest, PreferTouchAsPrimary) {
-  // Setup 2 displays, second one is intended to be a touch display
-  std::vector<display::ManagedDisplayInfo> display_info;
-  display_info.push_back(
-      display::ManagedDisplayInfo::CreateFromSpecWithID("0+0-3000x2000", 1));
-  display_info.push_back(
-      display::ManagedDisplayInfo::CreateFromSpecWithID("3000+0-800x600", 2));
-  display_manager()->OnNativeDisplaysChanged(display_info);
+  OobeDisplayChooser display_chooser;
+
+  UpdateDisplay("3000x2000,800x600");
+  display::DisplayIdList ids = display_manager()->GetCurrentDisplayIdList();
+  DisableTouch(ids[0]);
+  EnableTouch(ids[1]);
+
+  EXPECT_EQ(ids[0], GetPrimaryDisplay());
+  display_chooser.TryToPlaceUiOnTouchDisplay();
   base::RunLoop().RunUntilIdle();
 
-  // Make sure the non-touch display is primary
-  ash::Shell::Get()->window_tree_host_manager()->SetPrimaryDisplayId(1);
+  EXPECT_EQ(ids[1], GetPrimaryDisplay());
+}
 
-  // Setup corresponding TouchscreenDevice object
-  ui::TouchscreenDevice touchscreen =
-      ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
-                            "Touchscreen", gfx::Size(800, 600), 1);
-  touchscreen.vendor_id = kWhitelistedId;
-  UpdateTouchscreenDevices(touchscreen);
+TEST_F(OobeDisplayChooserTest, AddingSecondTouchDisplayShouldbeNOP) {
+  OobeDisplayChooser display_chooser;
+
+  UpdateDisplay("3000x2000,800x600");
+  display::DisplayIdList ids = display_manager()->GetCurrentDisplayIdList();
+  EnableTouch(ids[0]);
+  EnableTouch(ids[1]);
+
+  EXPECT_EQ(ids[0], GetPrimaryDisplay());
+  display_chooser.TryToPlaceUiOnTouchDisplay();
   base::RunLoop().RunUntilIdle();
 
-  // Associate touchscreen device with display
-  display_info[1].AddInputDevice(touchscreen.id);
-  display_info[1].set_touch_support(display::Display::TOUCH_SUPPORT_AVAILABLE);
-  display_manager()->OnNativeDisplaysChanged(display_info);
-  base::RunLoop().RunUntilIdle();
-
-  OobeDisplayChooser display_chooser;
-  EXPECT_EQ(1, GetPrimaryDisplay());
-  display_chooser.TryToPlaceUiOnTouchDisplay();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(2, GetPrimaryDisplay());
-}
-
-TEST_F(OobeDisplayChooserTest, DontSwitchFromTouch) {
-  // Setup 2 displays, second one is intended to be a touch display
-  std::vector<display::ManagedDisplayInfo> display_info;
-  display_info.push_back(
-      display::ManagedDisplayInfo::CreateFromSpecWithID("0+0-3000x2000", 1));
-  display_info.push_back(
-      display::ManagedDisplayInfo::CreateFromSpecWithID("3000+0-800x600", 2));
-  display_info[0].set_touch_support(display::Display::TOUCH_SUPPORT_AVAILABLE);
-  display_manager()->OnNativeDisplaysChanged(display_info);
-  base::RunLoop().RunUntilIdle();
-
-  // Make sure the non-touch display is primary
-  ash::Shell::Get()->window_tree_host_manager()->SetPrimaryDisplayId(1);
-
-  // Setup corresponding TouchscreenDevice object
-  ui::TouchscreenDevice touchscreen =
-      ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
-                            "Touchscreen", gfx::Size(800, 600), 1);
-  touchscreen.vendor_id = kWhitelistedId;
-  UpdateTouchscreenDevices(touchscreen);
-  base::RunLoop().RunUntilIdle();
-
-  // Associate touchscreen device with display
-  display_info[1].AddInputDevice(touchscreen.id);
-  display_info[1].set_touch_support(display::Display::TOUCH_SUPPORT_AVAILABLE);
-  display_manager()->OnNativeDisplaysChanged(display_info);
-  base::RunLoop().RunUntilIdle();
-
-  OobeDisplayChooser display_chooser;
-  EXPECT_EQ(1, GetPrimaryDisplay());
-  display_chooser.TryToPlaceUiOnTouchDisplay();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(1, GetPrimaryDisplay());
+  EXPECT_EQ(ids[0], GetPrimaryDisplay());
 }
 
 }  // namespace chromeos