// 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/power_button_screenshot_controller.h"

#include <memory>

#include "ash/capture_mode/capture_mode_metrics.h"
#include "ash/login_status.h"
#include "ash/public/cpp/window_properties.h"
#include "ash/shell.h"
#include "ash/system/power/power_button_controller.h"
#include "ash/system/power/power_button_controller_test_api.h"
#include "ash/system/power/power_button_screenshot_controller_test_api.h"
#include "ash/system/power/power_button_test_base.h"
#include "ash/wm/lock_state_controller_test_api.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/simple_test_tick_clock.h"
#include "chromeos/dbus/power/fake_power_manager_client.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/display/screen.h"
#include "ui/events/event.h"
#include "ui/wm/core/window_util.h"

namespace ash {

namespace {
class KeyEventWindowDelegate : public aura::test::TestWindowDelegate {
 public:
  KeyEventWindowDelegate() = default;
  ~KeyEventWindowDelegate() override = default;

  KeyEventWindowDelegate(const KeyEventWindowDelegate&) = delete;
  KeyEventWindowDelegate& operator=(const KeyEventWindowDelegate&) = delete;

  void OnKeyEvent(ui::KeyEvent* event) override {
    key_code_ = event->key_code();
  }

  ui::KeyboardCode GetReceivedKeyCodeAndReset() {
    ui::KeyboardCode tmp = key_code_;
    key_code_ = ui::VKEY_UNKNOWN;
    return tmp;
  }

 private:
  ui::KeyboardCode key_code_ = ui::VKEY_UNKNOWN;
};

}  // namespace

// Test fixture used for testing power button screenshot behavior under tablet
// power button.
class PowerButtonScreenshotControllerTest : public PowerButtonTestBase {
 public:
  PowerButtonScreenshotControllerTest() = default;

  PowerButtonScreenshotControllerTest(
      const PowerButtonScreenshotControllerTest&) = delete;
  PowerButtonScreenshotControllerTest& operator=(
      const PowerButtonScreenshotControllerTest&) = delete;

  ~PowerButtonScreenshotControllerTest() override = default;

  // PowerButtonTestBase:
  void SetUp() override {
    PowerButtonTestBase::SetUp();
    InitPowerButtonControllerMembers(
        chromeos::PowerManagerClient::TabletMode::ON);
    InitScreenshotTestApi();
    EnableTabletMode(true);

    // Advance a duration longer than |kIgnorePowerButtonAfterResumeDelay| to
    // avoid events being ignored.
    tick_clock_.Advance(
        PowerButtonController::kIgnorePowerButtonAfterResumeDelay +
        base::Milliseconds(2));

    ResetScreenshotCount();
  }

 protected:
  // PowerButtonTestBase:
  void PressKey(ui::KeyboardCode key_code) override {
    last_key_event_ = std::make_unique<ui::KeyEvent>(ui::EventType::kKeyPressed,
                                                     key_code, ui::EF_NONE);
    screenshot_controller_->OnKeyEvent(last_key_event_.get());
  }
  void ReleaseKey(ui::KeyboardCode key_code) override {
    last_key_event_ = std::make_unique<ui::KeyEvent>(
        ui::EventType::kKeyReleased, key_code, ui::EF_NONE);
    screenshot_controller_->OnKeyEvent(last_key_event_.get());
  }

  void InitScreenshotTestApi() {
    screenshot_test_api_ =
        std::make_unique<PowerButtonScreenshotControllerTestApi>(
            screenshot_controller_);
  }

  int GetScreenshotCount() const {
    constexpr char kClamshellHistogram[] =
        "Ash.CaptureModeController.EntryPoint.ClamshellMode";
    constexpr char kTabletHistogram[] =
        "Ash.CaptureModeController.EntryPoint.TabletMode";
    if (display::Screen::GetScreen()->InTabletMode()) {
      return histogram_tester_->GetBucketCount(
          kTabletHistogram, CaptureModeEntryType::kCaptureAllDisplays);
    }

    return histogram_tester_->GetBucketCount(
        kClamshellHistogram, CaptureModeEntryType::kCaptureAllDisplays);
  }

  void ResetScreenshotCount() {
    histogram_tester_ = std::make_unique<base::HistogramTester>();
  }

  bool LastKeyConsumed() const {
    DCHECK(last_key_event_);
    return last_key_event_->stopped_propagation();
  }

  std::unique_ptr<PowerButtonScreenshotControllerTestApi> screenshot_test_api_;

  // Stores the last key event. Can be NULL if not set through PressKey() or
  // ReleaseKey().
  std::unique_ptr<ui::KeyEvent> last_key_event_;

  // Used to test capture mode invocations when the feature is on.
  std::unique_ptr<base::HistogramTester> histogram_tester_;
};

class PowerButtonScreenshotControllerWithSystemKeysTest
    : public PowerButtonScreenshotControllerTest,
      public ::testing::WithParamInterface<bool> {
 public:
  PowerButtonScreenshotControllerWithSystemKeysTest() = default;
  ~PowerButtonScreenshotControllerWithSystemKeysTest() override = default;

  PowerButtonScreenshotControllerWithSystemKeysTest(
      const PowerButtonScreenshotControllerWithSystemKeysTest&) = delete;
  PowerButtonScreenshotControllerWithSystemKeysTest& operator=(
      const PowerButtonScreenshotControllerWithSystemKeysTest&) = delete;

  void SetUp() override {
    PowerButtonScreenshotControllerTest::SetUp();
    if (GetParam()) {
      aura::Window* window =
          CreateTestWindowInShellWithDelegate(&delegate_, 1, gfx::Rect());
      window->SetProperty(ash::kCanConsumeSystemKeysKey, true);
    }
  }

 private:
  KeyEventWindowDelegate delegate_;
};

// Tests the functionalities that press the power button first and then press
// volume down and volume up key alternative.
TEST_P(PowerButtonScreenshotControllerWithSystemKeysTest,
       PowerButtonPressedFirst_Screenshot) {
  PressPowerButton();
  tick_clock_.Advance(PowerButtonScreenshotController::kScreenshotChordDelay -
                      base::Milliseconds(5));
  PressKey(ui::VKEY_VOLUME_DOWN);
  // Verifies screenshot is taken, volume down is consumed.
  EXPECT_EQ(1, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Presses volume up key under screenshot chord condition will not take
  // screenshot again, volume up is also consumed.
  tick_clock_.Advance(base::Milliseconds(2));
  ResetScreenshotCount();
  PressKey(ui::VKEY_VOLUME_UP);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Presses volume down key again under screenshot chord condition will not
  // take screenshot and still consume volume down event.
  ResetScreenshotCount();
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(ui::VKEY_VOLUME_DOWN);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Keeps pressing volume down key outside of screenshot chord condition will
  // not take screenshot and still consume volume down event.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(ui::VKEY_VOLUME_DOWN);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Pressing volume up key outside of screenshot chord condition will not take
  // screenshot and still consume volume up event.
  PressKey(ui::VKEY_VOLUME_UP);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());

  // Releases power button now should not set display off.
  ReleasePowerButton();
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  // Releases volume up key, and verifies nothing happens.
  ReleaseKey(ui::VKEY_VOLUME_UP);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
  // Releases volume down key, and verifies nothing happens.
  ReleaseKey(ui::VKEY_VOLUME_DOWN);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
}

INSTANTIATE_TEST_SUITE_P(All,
                         PowerButtonScreenshotControllerWithSystemKeysTest,
                         testing::Bool());

// Tests the functionalities that press the volume key first and then press
// volume down and volume up key alternative.
TEST_F(PowerButtonScreenshotControllerTest, VolumeKeyPressedFirst_Screenshot) {
  // Tests when volume up pressed first, it waits for power button pressed
  // screenshot chord.
  PressKey(ui::VKEY_VOLUME_UP);
  EXPECT_TRUE(LastKeyConsumed());
  // Presses power button under screenshot chord condition, and verifies that
  // screenshot is taken.
  tick_clock_.Advance(PowerButtonScreenshotController::kScreenshotChordDelay -
                      base::Milliseconds(5));
  PressPowerButton();
  EXPECT_EQ(1, GetScreenshotCount());
  // Presses volume down key under screenshot chord condition will not take
  // screenshot, volume down is also consumed.
  tick_clock_.Advance(base::Milliseconds(2));
  ResetScreenshotCount();
  PressKey(ui::VKEY_VOLUME_DOWN);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Presses volume up key under screenshot chord condition again will not take
  // screenshot and still consume volume up event.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(ui::VKEY_VOLUME_UP);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Keeps pressing volume up key outside of screenshot chord condition will not
  // take screenshot and still consume volume up event.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(ui::VKEY_VOLUME_UP);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Presses volume down key outside of screenshot chord condition will not take
  // screenshot and still consume volume down event.
  PressKey(ui::VKEY_VOLUME_DOWN);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());

  // Releases power button now should not set display off.
  ReleasePowerButton();
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  // Releases volume down key, and verifies nothing happens.
  ReleaseKey(ui::VKEY_VOLUME_DOWN);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
  // Releases volume up key, and verifies nothing happens.
  ReleaseKey(ui::VKEY_VOLUME_UP);
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
}

// If the window with kConsumeSystemKeysKey property is active in tablet mode,
// volume keys will be passed to the window if they are pressed first.
TEST_F(PowerButtonScreenshotControllerTest, WindowWithSystemKeys) {
  EnableTabletMode(true);

  KeyEventWindowDelegate delegate;
  std::unique_ptr<aura::Window> window = base::WrapUnique(
      CreateTestWindowInShellWithDelegate(&delegate, 1, gfx::Rect()));
  window->SetProperty(ash::kCanConsumeSystemKeysKey, true);
  ::wm::ActivateWindow(window.get());

  // Tests when volume up pressed first, it's consumed by an app.
  // screenshot chord.
  GetEventGenerator()->PressKey(ui::VKEY_VOLUME_UP, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_VOLUME_UP, delegate.GetReceivedKeyCodeAndReset());

  GetEventGenerator()->PressKey(ui::VKEY_VOLUME_UP, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_VOLUME_UP, delegate.GetReceivedKeyCodeAndReset());
  EXPECT_EQ(0, GetScreenshotCount());

  // Tests when volume down pressed first, it's consumed by an app.
  // screenshot chord.
  GetEventGenerator()->PressKey(ui::VKEY_VOLUME_DOWN, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_VOLUME_DOWN, delegate.GetReceivedKeyCodeAndReset());

  GetEventGenerator()->PressKey(ui::VKEY_VOLUME_DOWN, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_VOLUME_DOWN, delegate.GetReceivedKeyCodeAndReset());
  EXPECT_EQ(0, GetScreenshotCount());

  // Delete the window, and volume will be consumed by shortcut.
  // Screenshot using up.
  window.reset();
  GetEventGenerator()->PressKey(ui::VKEY_VOLUME_UP, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_UNKNOWN, delegate.GetReceivedKeyCodeAndReset());
  PressPowerButton();
  ReleasePowerButton();
  GetEventGenerator()->ReleaseKey(ui::VKEY_VOLUME_UP, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_UNKNOWN, delegate.GetReceivedKeyCodeAndReset());
  EXPECT_EQ(1, GetScreenshotCount());

  // Screenshot using down.
  GetEventGenerator()->PressKey(ui::VKEY_VOLUME_DOWN, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_UNKNOWN, delegate.GetReceivedKeyCodeAndReset());
  PressPowerButton();
  ReleasePowerButton();
  GetEventGenerator()->ReleaseKey(ui::VKEY_VOLUME_DOWN, ui::EF_NONE);
  EXPECT_EQ(ui::VKEY_UNKNOWN, delegate.GetReceivedKeyCodeAndReset());
  EXPECT_EQ(2, GetScreenshotCount());
}

class PowerButtonScreenshotControllerWithKeyCodeTest
    : public PowerButtonScreenshotControllerTest,
      public testing::WithParamInterface<ui::KeyboardCode> {
 public:
  PowerButtonScreenshotControllerWithKeyCodeTest() : key_code_(GetParam()) {}

  PowerButtonScreenshotControllerWithKeyCodeTest(
      const PowerButtonScreenshotControllerWithKeyCodeTest&) = delete;
  PowerButtonScreenshotControllerWithKeyCodeTest& operator=(
      const PowerButtonScreenshotControllerWithKeyCodeTest&) = delete;

  ui::KeyboardCode key_code() const { return key_code_; }

 private:
  // Value of the |key_code_| will only be ui::VKEY_VOLUME_DOWN or
  // ui::VKEY_VOLUME_UP.
  ui::KeyboardCode key_code_ = ui::VKEY_UNKNOWN;
};

// Tests power button screenshot accelerator works in tablet mode only.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest, TabletMode) {
  // Tests in tablet mode pressing power button and volume down/up
  // simultaneously takes a screenshot.
  PressKey(key_code());
  PressPowerButton();
  ReleaseKey(key_code());
  ReleasePowerButton();
  EXPECT_EQ(1, GetScreenshotCount());

  // Tests screenshot handling is not active when not in tablet mode.
  ResetScreenshotCount();
  EnableTabletMode(false);
  PressKey(key_code());
  PressPowerButton();
  ReleaseKey(key_code());
  ReleasePowerButton();
  EXPECT_EQ(0, GetScreenshotCount());
}

// Tests if power-button/volume-down(volume-up) is released before
// volume-down(volume-up)/power-button is pressed, it does not take screenshot.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       ReleaseBeforeAnotherPressed) {
  // Releases volume down/up before power button is pressed.
  PressKey(key_code());
  ReleaseKey(key_code());
  PressPowerButton();
  ReleasePowerButton();
  EXPECT_EQ(0, GetScreenshotCount());

  // Releases power button before volume down/up is pressed.
  PressPowerButton();
  ReleasePowerButton();
  PressKey(key_code());
  ReleaseKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
}

// Tests power button is pressed first and meets screenshot chord condition.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       PowerButtonPressedFirst_ScreenshotChord) {
  PressPowerButton();
  tick_clock_.Advance(PowerButtonScreenshotController::kScreenshotChordDelay -
                      base::Milliseconds(2));
  PressKey(key_code());
  // Verifies screenshot is taken, volume down/up is consumed.
  EXPECT_EQ(1, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Keeps pressing volume down/up key under screenshot chord condition will not
  // take screenshot again, volume down/up is also consumed.
  tick_clock_.Advance(base::Milliseconds(1));
  ResetScreenshotCount();
  PressKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Keeps pressing volume down/up key off screenshot chord condition will not
  // take screenshot and still consume volume down/up event.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());

  // Releases power button now should not set display off.
  ReleasePowerButton();
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  // Releases volume down/up key, and verifies nothing happens.
  ReleaseKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
}

// Tests power button is pressed first, and then volume down/up pressed but
// doesn't meet screenshot chord condition.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       PowerButtonPressedFirst_NoScreenshotChord) {
  PressPowerButton();
  tick_clock_.Advance(PowerButtonScreenshotController::kScreenshotChordDelay +
                      base::Milliseconds(1));
  PressKey(key_code());
  // Verifies screenshot is not taken, volume down/up is not consumed.
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
  // Keeps pressing volume down/up key should continue triggerring volume
  // down/up.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
  // Releases power button now should not set display off.
  ReleasePowerButton();
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  // Releases volume down/up key, and verifies nothing happens.
  ReleaseKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
}

// Tests volume key pressed cancels the ongoing power button behavior.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       PowerButtonPressedFirst_VolumeKeyCancelPowerButton) {
  // Tests volume down/up key can stop power button's shutdown timer and power
  // button menu timer.
  PressPowerButton();
  EXPECT_TRUE(power_button_test_api_->PowerButtonMenuTimerIsRunning());
  PressKey(key_code());
  EXPECT_FALSE(power_button_test_api_->PowerButtonMenuTimerIsRunning());
  ReleasePowerButton();
  ReleaseKey(key_code());
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
}

// Tests volume key pressed can not cancel the started pre-shutdown animation.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       PowerButtonPressedFirst_VolumeKeyNotCancelPowerButton) {
  PressPowerButton();
  ASSERT_TRUE(power_button_test_api_->TriggerPowerButtonMenuTimeout());
  EXPECT_TRUE(power_button_test_api_->PreShutdownTimerIsRunning());
  EXPECT_TRUE(power_button_test_api_->TriggerPreShutdownTimeout());
  EXPECT_TRUE(lock_state_test_api_->shutdown_timer_is_running());
  PressKey(key_code());
  ReleaseKey(key_code());
  EXPECT_TRUE(lock_state_test_api_->shutdown_timer_is_running());
  ReleasePowerButton();
  EXPECT_FALSE(lock_state_test_api_->shutdown_timer_is_running());
}

// Tests volume down/up key pressed first and meets screenshot chord condition.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       VolumeKeyPressedFirst_ScreenshotChord) {
  // Tests when volume down/up pressed first, it waits for power button pressed
  // screenshot chord.
  PressKey(key_code());
  EXPECT_TRUE(LastKeyConsumed());
  // Presses power button under screenshot chord condition, and verifies that
  // screenshot is taken.
  tick_clock_.Advance(PowerButtonScreenshotController::kScreenshotChordDelay -
                      base::Milliseconds(2));
  PressPowerButton();
  EXPECT_EQ(1, GetScreenshotCount());
  // Keeps pressing volume down/up key under screenshot chord condition will not
  // take screenshot again, volume down/up is also consumed.
  tick_clock_.Advance(base::Milliseconds(1));
  ResetScreenshotCount();
  PressKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());
  // Keeps pressing volume down/up key off screenshot chord condition will not
  // take screenshot and still consume volume down/up event.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_TRUE(LastKeyConsumed());

  // Releases power button now should not set display off.
  ReleasePowerButton();
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  // Releases volume down/up key, and verifies nothing happens.
  ReleaseKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
}

// Tests volume down/up key pressed first, and then power button pressed but
// doesn't meet screenshot chord condition.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       VolumeKeyPressedFirst_NoScreenshotChord) {
  // Tests when volume down/up pressed first, it waits for power button pressed
  // screenshot chord.
  PressKey(key_code());
  EXPECT_TRUE(LastKeyConsumed());
  // Advances |tick_clock_| to off screenshot chord point. This will also
  // trigger volume down/up timer timeout, which will perform a volume down/up
  // operation.
  tick_clock_.Advance(PowerButtonScreenshotController::kScreenshotChordDelay +
                      base::Milliseconds(1));
  if (key_code() == ui::VKEY_VOLUME_DOWN)
    EXPECT_TRUE(screenshot_test_api_->TriggerVolumeDownTimer());
  else
    EXPECT_TRUE(screenshot_test_api_->TriggerVolumeUpTimer());
  // Presses power button would not take screenshot.
  PressPowerButton();
  EXPECT_EQ(0, GetScreenshotCount());
  // Keeps pressing volume down/up key should continue triggerring volume
  // down/up.
  tick_clock_.Advance(base::Milliseconds(2));
  PressKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
  // Releases power button now should not set display off.
  ReleasePowerButton();
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
  // Releases volume down/up key, and verifies nothing happens.
  ReleaseKey(key_code());
  EXPECT_EQ(0, GetScreenshotCount());
  EXPECT_FALSE(LastKeyConsumed());
}

// Tests volume key pressed first invalidates the power button behavior.
TEST_P(PowerButtonScreenshotControllerWithKeyCodeTest,
       VolumeKeyPressedFirst_InvalidateConvertiblePowerButton) {
  // Tests volume down/up key invalidates the power button behavior.
  PressKey(key_code());
  PressPowerButton();
  EXPECT_FALSE(power_button_test_api_->PowerButtonMenuTimerIsRunning());
  ReleasePowerButton();
  ReleaseKey(key_code());
  EXPECT_FALSE(power_manager_client()->backlights_forced_off());
}

INSTANTIATE_TEST_SUITE_P(AshPowerButtonScreenshot,
                         PowerButtonScreenshotControllerWithKeyCodeTest,
                         testing::Values(ui::VKEY_VOLUME_DOWN,
                                         ui::VKEY_VOLUME_UP));

}  // namespace ash