backlights_forced_off_setter_unittest.cc 11 KB

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  1. // Copyright 2017 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. #include "ash/system/power/backlights_forced_off_setter.h"
  5. #include <memory>
  6. #include <utility>
  7. #include <vector>
  8. #include "ash/public/cpp/screen_backlight_observer.h"
  9. #include "ash/shell.h"
  10. #include "ash/system/power/scoped_backlights_forced_off.h"
  11. #include "ash/test/ash_test_base.h"
  12. #include "ash/touch/ash_touch_transform_controller.h"
  13. #include "ash/touch/touch_devices_controller.h"
  14. #include "chromeos/dbus/power/fake_power_manager_client.h"
  15. #include "ui/display/manager/display_manager.h"
  16. #include "ui/display/manager/test/touch_transform_controller_test_api.h"
  17. #include "ui/display/manager/touch_transform_setter.h"
  18. #include "ui/display/test/display_manager_test_api.h"
  19. #include "ui/events/devices/device_data_manager_test_api.h"
  20. #include "ui/events/devices/touch_device_transform.h"
  21. #include "ui/events/devices/touchscreen_device.h"
  22. namespace ash {
  23. namespace {
  24. class TestObserver : public ScreenBacklightObserver {
  25. public:
  26. explicit TestObserver(BacklightsForcedOffSetter* backlights_forced_off_setter)
  27. : backlights_forced_off_setter_(backlights_forced_off_setter) {
  28. scoped_observation_.Observe(backlights_forced_off_setter);
  29. }
  30. TestObserver(const TestObserver&) = delete;
  31. TestObserver& operator=(const TestObserver&) = delete;
  32. ~TestObserver() override = default;
  33. const std::vector<bool>& forced_off_states() const {
  34. return forced_off_states_;
  35. }
  36. void ClearForcedOffStates() { forced_off_states_.clear(); }
  37. // ScreenBacklightObserver:
  38. void OnBacklightsForcedOffChanged(bool backlights_forced_off) override {
  39. ASSERT_EQ(backlights_forced_off,
  40. backlights_forced_off_setter_->backlights_forced_off());
  41. forced_off_states_.push_back(backlights_forced_off);
  42. }
  43. private:
  44. BacklightsForcedOffSetter* const backlights_forced_off_setter_;
  45. std::vector<bool> forced_off_states_;
  46. base::ScopedObservation<BacklightsForcedOffSetter, ScreenBacklightObserver>
  47. scoped_observation_{this};
  48. };
  49. } // namespace
  50. class BacklightsForcedOffSetterTest : public AshTestBase {
  51. public:
  52. BacklightsForcedOffSetterTest() = default;
  53. BacklightsForcedOffSetterTest(const BacklightsForcedOffSetterTest&) = delete;
  54. BacklightsForcedOffSetterTest& operator=(
  55. const BacklightsForcedOffSetterTest&) = delete;
  56. ~BacklightsForcedOffSetterTest() override = default;
  57. void SetUp() override {
  58. AshTestBase::SetUp();
  59. screen_backlight_resetter_ =
  60. std::make_unique<ash::ScreenBacklight::ScopedResetterForTest>();
  61. backlights_forced_off_setter_ =
  62. std::make_unique<BacklightsForcedOffSetter>();
  63. backlights_forced_off_observer_ =
  64. std::make_unique<TestObserver>(backlights_forced_off_setter_.get());
  65. }
  66. void TearDown() override {
  67. backlights_forced_off_observer_.reset();
  68. backlights_forced_off_setter_.reset();
  69. screen_backlight_resetter_.reset();
  70. AshTestBase::TearDown();
  71. }
  72. void ResetBacklightsForcedOffSetter() {
  73. backlights_forced_off_observer_.reset();
  74. backlights_forced_off_setter_.reset();
  75. }
  76. protected:
  77. std::unique_ptr<ash::ScreenBacklight::ScopedResetterForTest>
  78. screen_backlight_resetter_;
  79. std::unique_ptr<BacklightsForcedOffSetter> backlights_forced_off_setter_;
  80. std::unique_ptr<TestObserver> backlights_forced_off_observer_;
  81. };
  82. TEST_F(BacklightsForcedOffSetterTest, SingleForcedOffRequest) {
  83. ASSERT_FALSE(power_manager_client()->backlights_forced_off());
  84. std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off =
  85. backlights_forced_off_setter_->ForceBacklightsOff();
  86. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  87. EXPECT_EQ(std::vector<bool>({true}),
  88. backlights_forced_off_observer_->forced_off_states());
  89. backlights_forced_off_observer_->ClearForcedOffStates();
  90. scoped_forced_off.reset();
  91. EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  92. EXPECT_EQ(std::vector<bool>({false}),
  93. backlights_forced_off_observer_->forced_off_states());
  94. }
  95. TEST_F(BacklightsForcedOffSetterTest, BacklightsForcedOffSetterDeleted) {
  96. ASSERT_FALSE(power_manager_client()->backlights_forced_off());
  97. std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off =
  98. backlights_forced_off_setter_->ForceBacklightsOff();
  99. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  100. EXPECT_EQ(std::vector<bool>({true}),
  101. backlights_forced_off_observer_->forced_off_states());
  102. backlights_forced_off_observer_->ClearForcedOffStates();
  103. ResetBacklightsForcedOffSetter();
  104. EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  105. // Verify that deleting scoped forced off request does not affect
  106. // power manager state (nor cause a crash).
  107. scoped_forced_off.reset();
  108. EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  109. }
  110. TEST_F(BacklightsForcedOffSetterTest,
  111. OverlappingRequests_SecondRequestResetFirst) {
  112. ASSERT_FALSE(power_manager_client()->backlights_forced_off());
  113. std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_1 =
  114. backlights_forced_off_setter_->ForceBacklightsOff();
  115. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  116. EXPECT_EQ(std::vector<bool>({true}),
  117. backlights_forced_off_observer_->forced_off_states());
  118. backlights_forced_off_observer_->ClearForcedOffStates();
  119. std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_2 =
  120. backlights_forced_off_setter_->ForceBacklightsOff();
  121. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  122. EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
  123. scoped_forced_off_2.reset();
  124. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  125. EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
  126. scoped_forced_off_1.reset();
  127. EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  128. EXPECT_EQ(std::vector<bool>({false}),
  129. backlights_forced_off_observer_->forced_off_states());
  130. }
  131. TEST_F(BacklightsForcedOffSetterTest,
  132. OverlappingRequests_FirstRequestResetFirst) {
  133. ASSERT_FALSE(power_manager_client()->backlights_forced_off());
  134. std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_1 =
  135. backlights_forced_off_setter_->ForceBacklightsOff();
  136. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  137. EXPECT_EQ(std::vector<bool>({true}),
  138. backlights_forced_off_observer_->forced_off_states());
  139. backlights_forced_off_observer_->ClearForcedOffStates();
  140. std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_2 =
  141. backlights_forced_off_setter_->ForceBacklightsOff();
  142. EXPECT_TRUE(power_manager_client()->backlights_forced_off());
  143. EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
  144. scoped_forced_off_1.reset();
  145. EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
  146. scoped_forced_off_2.reset();
  147. EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  148. EXPECT_EQ(std::vector<bool>({false}),
  149. backlights_forced_off_observer_->forced_off_states());
  150. }
  151. TEST_F(BacklightsForcedOffSetterTest,
  152. ExternalTouchDevicePreventsTouchscreenDisable) {
  153. UpdateDisplay("1200x600,600x1000*2");
  154. const int64_t kInternalDisplayId =
  155. display::test::DisplayManagerTestApi(display_manager())
  156. .SetFirstDisplayAsInternalDisplay();
  157. display::DisplayIdList display_id_list =
  158. display_manager()->GetConnectedDisplayIdList();
  159. // Pick the non internal display Id.
  160. const int64_t kExternalDisplayId = display_id_list[0] == kInternalDisplayId
  161. ? display_id_list[1]
  162. : display_id_list[0];
  163. // Initialize an external touch device.
  164. ui::TouchscreenDevice external_touchdevice(
  165. 123, ui::InputDeviceType::INPUT_DEVICE_USB,
  166. std::string("test external touch device"), gfx::Size(1000, 1000), 1);
  167. ui::TouchscreenDevice internal_touchdevice(
  168. 234, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
  169. std::string("test internal touch device"), gfx::Size(1000, 1000), 1);
  170. ui::DeviceDataManagerTestApi().SetTouchscreenDevices(
  171. {external_touchdevice, internal_touchdevice});
  172. std::vector<ui::TouchDeviceTransform> transforms;
  173. ui::TouchDeviceTransform touch_device_transform;
  174. // Add external touch device to the list.
  175. touch_device_transform.display_id = kExternalDisplayId;
  176. touch_device_transform.device_id = external_touchdevice.id;
  177. transforms.push_back(touch_device_transform);
  178. // Add internal touch device to the list.
  179. touch_device_transform.display_id = kInternalDisplayId;
  180. touch_device_transform.device_id = internal_touchdevice.id;
  181. transforms.push_back(touch_device_transform);
  182. // Initialize the transforms and the DeviceDataManager.
  183. display::test::TouchTransformControllerTestApi(
  184. Shell::Get()->touch_transformer_controller())
  185. .touch_transform_setter()
  186. ->ConfigureTouchDevices(transforms);
  187. // The brightness change is due to user inactivity or lid close.
  188. power_manager::BacklightBrightnessChange change;
  189. change.set_cause(power_manager::BacklightBrightnessChange_Cause_OTHER);
  190. change.set_percent(0.0);
  191. power_manager_client()->SendScreenBrightnessChanged(change);
  192. // The touchscreens should be enabled.
  193. EXPECT_TRUE(Shell::Get()->touch_devices_controller()->GetTouchscreenEnabled(
  194. TouchDeviceEnabledSource::GLOBAL));
  195. }
  196. TEST_F(BacklightsForcedOffSetterTest, TouchscreensDisableOnBrightnessChange) {
  197. UpdateDisplay("1200x600,600x1000*2");
  198. const int64_t kInternalDisplayId =
  199. display::test::DisplayManagerTestApi(display_manager())
  200. .SetFirstDisplayAsInternalDisplay();
  201. display::DisplayIdList display_id_list =
  202. display_manager()->GetConnectedDisplayIdList();
  203. ui::TouchscreenDevice internal_touchdevice(
  204. 234, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
  205. std::string("test internal touch device"), gfx::Size(1000, 1000), 1);
  206. ui::DeviceDataManagerTestApi().SetTouchscreenDevices({internal_touchdevice});
  207. // Add internal touch device to the list.
  208. std::vector<ui::TouchDeviceTransform> transforms;
  209. ui::TouchDeviceTransform touch_device_transform;
  210. touch_device_transform.display_id = kInternalDisplayId;
  211. touch_device_transform.device_id = internal_touchdevice.id;
  212. transforms.push_back(touch_device_transform);
  213. // Initialize the transforms and the DeviceDataManager.
  214. display::test::TouchTransformControllerTestApi(
  215. Shell::Get()->touch_transformer_controller())
  216. .touch_transform_setter()
  217. ->ConfigureTouchDevices(transforms);
  218. // The brightness change is due to user inactivity or lid close.
  219. power_manager::BacklightBrightnessChange change;
  220. change.set_cause(power_manager::BacklightBrightnessChange_Cause_OTHER);
  221. change.set_percent(0.0);
  222. power_manager_client()->SendScreenBrightnessChanged(change);
  223. // The touchscreens should be disabled.
  224. EXPECT_FALSE(Shell::Get()->touch_devices_controller()->GetTouchscreenEnabled(
  225. TouchDeviceEnabledSource::GLOBAL));
  226. }
  227. } // namespace ash