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- // 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 "ash/system/power/backlights_forced_off_setter.h"
- #include <memory>
- #include <utility>
- #include <vector>
- #include "ash/public/cpp/screen_backlight_observer.h"
- #include "ash/shell.h"
- #include "ash/system/power/scoped_backlights_forced_off.h"
- #include "ash/test/ash_test_base.h"
- #include "ash/touch/ash_touch_transform_controller.h"
- #include "ash/touch/touch_devices_controller.h"
- #include "chromeos/dbus/power/fake_power_manager_client.h"
- #include "ui/display/manager/display_manager.h"
- #include "ui/display/manager/test/touch_transform_controller_test_api.h"
- #include "ui/display/manager/touch_transform_setter.h"
- #include "ui/display/test/display_manager_test_api.h"
- #include "ui/events/devices/device_data_manager_test_api.h"
- #include "ui/events/devices/touch_device_transform.h"
- #include "ui/events/devices/touchscreen_device.h"
- namespace ash {
- namespace {
- class TestObserver : public ScreenBacklightObserver {
- public:
- explicit TestObserver(BacklightsForcedOffSetter* backlights_forced_off_setter)
- : backlights_forced_off_setter_(backlights_forced_off_setter) {
- scoped_observation_.Observe(backlights_forced_off_setter);
- }
- TestObserver(const TestObserver&) = delete;
- TestObserver& operator=(const TestObserver&) = delete;
- ~TestObserver() override = default;
- const std::vector<bool>& forced_off_states() const {
- return forced_off_states_;
- }
- void ClearForcedOffStates() { forced_off_states_.clear(); }
- // ScreenBacklightObserver:
- void OnBacklightsForcedOffChanged(bool backlights_forced_off) override {
- ASSERT_EQ(backlights_forced_off,
- backlights_forced_off_setter_->backlights_forced_off());
- forced_off_states_.push_back(backlights_forced_off);
- }
- private:
- BacklightsForcedOffSetter* const backlights_forced_off_setter_;
- std::vector<bool> forced_off_states_;
- base::ScopedObservation<BacklightsForcedOffSetter, ScreenBacklightObserver>
- scoped_observation_{this};
- };
- } // namespace
- class BacklightsForcedOffSetterTest : public AshTestBase {
- public:
- BacklightsForcedOffSetterTest() = default;
- BacklightsForcedOffSetterTest(const BacklightsForcedOffSetterTest&) = delete;
- BacklightsForcedOffSetterTest& operator=(
- const BacklightsForcedOffSetterTest&) = delete;
- ~BacklightsForcedOffSetterTest() override = default;
- void SetUp() override {
- AshTestBase::SetUp();
- screen_backlight_resetter_ =
- std::make_unique<ash::ScreenBacklight::ScopedResetterForTest>();
- backlights_forced_off_setter_ =
- std::make_unique<BacklightsForcedOffSetter>();
- backlights_forced_off_observer_ =
- std::make_unique<TestObserver>(backlights_forced_off_setter_.get());
- }
- void TearDown() override {
- backlights_forced_off_observer_.reset();
- backlights_forced_off_setter_.reset();
- screen_backlight_resetter_.reset();
- AshTestBase::TearDown();
- }
- void ResetBacklightsForcedOffSetter() {
- backlights_forced_off_observer_.reset();
- backlights_forced_off_setter_.reset();
- }
- protected:
- std::unique_ptr<ash::ScreenBacklight::ScopedResetterForTest>
- screen_backlight_resetter_;
- std::unique_ptr<BacklightsForcedOffSetter> backlights_forced_off_setter_;
- std::unique_ptr<TestObserver> backlights_forced_off_observer_;
- };
- TEST_F(BacklightsForcedOffSetterTest, SingleForcedOffRequest) {
- ASSERT_FALSE(power_manager_client()->backlights_forced_off());
- std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off =
- backlights_forced_off_setter_->ForceBacklightsOff();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({true}),
- backlights_forced_off_observer_->forced_off_states());
- backlights_forced_off_observer_->ClearForcedOffStates();
- scoped_forced_off.reset();
- EXPECT_FALSE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({false}),
- backlights_forced_off_observer_->forced_off_states());
- }
- TEST_F(BacklightsForcedOffSetterTest, BacklightsForcedOffSetterDeleted) {
- ASSERT_FALSE(power_manager_client()->backlights_forced_off());
- std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off =
- backlights_forced_off_setter_->ForceBacklightsOff();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({true}),
- backlights_forced_off_observer_->forced_off_states());
- backlights_forced_off_observer_->ClearForcedOffStates();
- ResetBacklightsForcedOffSetter();
- EXPECT_FALSE(power_manager_client()->backlights_forced_off());
- // Verify that deleting scoped forced off request does not affect
- // power manager state (nor cause a crash).
- scoped_forced_off.reset();
- EXPECT_FALSE(power_manager_client()->backlights_forced_off());
- }
- TEST_F(BacklightsForcedOffSetterTest,
- OverlappingRequests_SecondRequestResetFirst) {
- ASSERT_FALSE(power_manager_client()->backlights_forced_off());
- std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_1 =
- backlights_forced_off_setter_->ForceBacklightsOff();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({true}),
- backlights_forced_off_observer_->forced_off_states());
- backlights_forced_off_observer_->ClearForcedOffStates();
- std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_2 =
- backlights_forced_off_setter_->ForceBacklightsOff();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
- scoped_forced_off_2.reset();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
- scoped_forced_off_1.reset();
- EXPECT_FALSE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({false}),
- backlights_forced_off_observer_->forced_off_states());
- }
- TEST_F(BacklightsForcedOffSetterTest,
- OverlappingRequests_FirstRequestResetFirst) {
- ASSERT_FALSE(power_manager_client()->backlights_forced_off());
- std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_1 =
- backlights_forced_off_setter_->ForceBacklightsOff();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({true}),
- backlights_forced_off_observer_->forced_off_states());
- backlights_forced_off_observer_->ClearForcedOffStates();
- std::unique_ptr<ScopedBacklightsForcedOff> scoped_forced_off_2 =
- backlights_forced_off_setter_->ForceBacklightsOff();
- EXPECT_TRUE(power_manager_client()->backlights_forced_off());
- EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
- scoped_forced_off_1.reset();
- EXPECT_TRUE(backlights_forced_off_observer_->forced_off_states().empty());
- scoped_forced_off_2.reset();
- EXPECT_FALSE(power_manager_client()->backlights_forced_off());
- EXPECT_EQ(std::vector<bool>({false}),
- backlights_forced_off_observer_->forced_off_states());
- }
- TEST_F(BacklightsForcedOffSetterTest,
- ExternalTouchDevicePreventsTouchscreenDisable) {
- UpdateDisplay("1200x600,600x1000*2");
- const int64_t kInternalDisplayId =
- display::test::DisplayManagerTestApi(display_manager())
- .SetFirstDisplayAsInternalDisplay();
- display::DisplayIdList display_id_list =
- display_manager()->GetConnectedDisplayIdList();
- // Pick the non internal display Id.
- const int64_t kExternalDisplayId = display_id_list[0] == kInternalDisplayId
- ? display_id_list[1]
- : display_id_list[0];
- // Initialize an external touch device.
- ui::TouchscreenDevice external_touchdevice(
- 123, ui::InputDeviceType::INPUT_DEVICE_USB,
- std::string("test external touch device"), gfx::Size(1000, 1000), 1);
- ui::TouchscreenDevice internal_touchdevice(
- 234, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
- std::string("test internal touch device"), gfx::Size(1000, 1000), 1);
- ui::DeviceDataManagerTestApi().SetTouchscreenDevices(
- {external_touchdevice, internal_touchdevice});
- std::vector<ui::TouchDeviceTransform> transforms;
- ui::TouchDeviceTransform touch_device_transform;
- // Add external touch device to the list.
- touch_device_transform.display_id = kExternalDisplayId;
- touch_device_transform.device_id = external_touchdevice.id;
- transforms.push_back(touch_device_transform);
- // Add internal touch device to the list.
- touch_device_transform.display_id = kInternalDisplayId;
- touch_device_transform.device_id = internal_touchdevice.id;
- transforms.push_back(touch_device_transform);
- // Initialize the transforms and the DeviceDataManager.
- display::test::TouchTransformControllerTestApi(
- Shell::Get()->touch_transformer_controller())
- .touch_transform_setter()
- ->ConfigureTouchDevices(transforms);
- // The brightness change is due to user inactivity or lid close.
- power_manager::BacklightBrightnessChange change;
- change.set_cause(power_manager::BacklightBrightnessChange_Cause_OTHER);
- change.set_percent(0.0);
- power_manager_client()->SendScreenBrightnessChanged(change);
- // The touchscreens should be enabled.
- EXPECT_TRUE(Shell::Get()->touch_devices_controller()->GetTouchscreenEnabled(
- TouchDeviceEnabledSource::GLOBAL));
- }
- TEST_F(BacklightsForcedOffSetterTest, TouchscreensDisableOnBrightnessChange) {
- UpdateDisplay("1200x600,600x1000*2");
- const int64_t kInternalDisplayId =
- display::test::DisplayManagerTestApi(display_manager())
- .SetFirstDisplayAsInternalDisplay();
- display::DisplayIdList display_id_list =
- display_manager()->GetConnectedDisplayIdList();
- ui::TouchscreenDevice internal_touchdevice(
- 234, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
- std::string("test internal touch device"), gfx::Size(1000, 1000), 1);
- ui::DeviceDataManagerTestApi().SetTouchscreenDevices({internal_touchdevice});
- // Add internal touch device to the list.
- std::vector<ui::TouchDeviceTransform> transforms;
- ui::TouchDeviceTransform touch_device_transform;
- touch_device_transform.display_id = kInternalDisplayId;
- touch_device_transform.device_id = internal_touchdevice.id;
- transforms.push_back(touch_device_transform);
- // Initialize the transforms and the DeviceDataManager.
- display::test::TouchTransformControllerTestApi(
- Shell::Get()->touch_transformer_controller())
- .touch_transform_setter()
- ->ConfigureTouchDevices(transforms);
- // The brightness change is due to user inactivity or lid close.
- power_manager::BacklightBrightnessChange change;
- change.set_cause(power_manager::BacklightBrightnessChange_Cause_OTHER);
- change.set_percent(0.0);
- power_manager_client()->SendScreenBrightnessChanged(change);
- // The touchscreens should be disabled.
- EXPECT_FALSE(Shell::Get()->touch_devices_controller()->GetTouchscreenEnabled(
- TouchDeviceEnabledSource::GLOBAL));
- }
- } // namespace ash
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