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// Copyright 2017 The Chromium Authors
// 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 "base/memory/raw_ptr.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:
const raw_ptr<BacklightsForcedOffSetter> 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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