blob: 5c1f55edacba26ba17916b8c962e2c270a13f627 [file] [log] [blame]
// 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/shelf/home_button.h"
#include <memory>
#include <string>
#include "ash/accessibility/accessibility_controller_impl.h"
#include "ash/app_list/test/app_list_test_helper.h"
#include "ash/app_list/views/app_list_view.h"
#include "ash/assistant/assistant_controller.h"
#include "ash/assistant/assistant_ui_controller.h"
#include "ash/assistant/model/assistant_ui_model.h"
#include "ash/assistant/test/test_assistant_service.h"
#include "ash/public/cpp/ash_features.h"
#include "ash/public/cpp/tablet_mode.h"
#include "ash/root_window_controller.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_navigation_widget.h"
#include "ash/shelf/shelf_view.h"
#include "ash/shelf/shelf_view_test_api.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/wm/tablet_mode/tablet_mode_controller.h"
#include "base/command_line.h"
#include "base/run_loop.h"
#include "base/test/scoped_command_line.h"
#include "base/test/scoped_feature_list.h"
#include "chromeos/constants/chromeos_features.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/events/test/event_generator.h"
namespace ash {
namespace {
ui::GestureEvent CreateGestureEvent(ui::GestureEventDetails details) {
return ui::GestureEvent(0, 0, ui::EF_NONE, base::TimeTicks(), details);
}
class HomeButtonTest
: public AshTestBase,
public testing::WithParamInterface<std::tuple<bool, bool>> {
public:
HomeButtonTest() = default;
~HomeButtonTest() override = default;
// AshTestBase:
void SetUp() override {
std::vector<base::Feature> enabled_features;
std::vector<base::Feature> disabled_features;
if (IsHotseatEnabled())
enabled_features.push_back(chromeos::features::kShelfHotseat);
else
disabled_features.push_back(chromeos::features::kShelfHotseat);
if (IsHideShelfControlsInTabletModeEnabled())
enabled_features.push_back(features::kHideShelfControlsInTabletMode);
else
disabled_features.push_back(features::kHideShelfControlsInTabletMode);
scoped_feature_list_.InitWithFeatures(enabled_features, disabled_features);
AshTestBase::SetUp();
}
void SendGestureEvent(ui::GestureEvent* event) {
HomeButton* const home_button =
GetPrimaryShelf()->navigation_widget()->GetHomeButton();
ASSERT_TRUE(home_button);
home_button->OnGestureEvent(event);
}
void SendGestureEventToSecondaryDisplay(ui::GestureEvent* event) {
// Add secondary display.
UpdateDisplay("1+1-1000x600,1002+0-600x400");
ASSERT_TRUE(GetPrimaryShelf()
->shelf_widget()
->navigation_widget()
->GetHomeButton());
// Send the gesture event to the secondary display.
Shelf::ForWindow(Shell::GetAllRootWindows()[1])
->shelf_widget()
->navigation_widget()
->GetHomeButton()
->OnGestureEvent(event);
}
bool IsHotseatEnabled() const { return std::get<0>(GetParam()); }
bool IsHideShelfControlsInTabletModeEnabled() const {
return std::get<1>(GetParam());
}
const HomeButton* home_button() const {
return GetPrimaryShelf()
->shelf_widget()
->navigation_widget()
->GetHomeButton();
}
AssistantState* assistant_state() const { return AssistantState::Get(); }
PrefService* prefs() {
return Shell::Get()->session_controller()->GetPrimaryUserPrefService();
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
DISALLOW_COPY_AND_ASSIGN(HomeButtonTest);
};
enum class TestAccessibilityFeature {
kTabletModeShelfNavigationButtons,
kSpokenFeedback,
kAutoclick,
kSwitchAccess
};
// Tests home button visibility with number of accessibility setting enabled,
// with kHideControlsInTabletModeFeature.
class HomeButtonVisibilityWithAccessibilityFeaturesTest
: public AshTestBase,
public ::testing::WithParamInterface<TestAccessibilityFeature> {
public:
HomeButtonVisibilityWithAccessibilityFeaturesTest() {
scoped_feature_list_.InitWithFeatures(
{chromeos::features::kShelfHotseat,
features::kHideShelfControlsInTabletMode},
{});
}
~HomeButtonVisibilityWithAccessibilityFeaturesTest() override = default;
void SetTestA11yFeatureEnabled(bool enabled) {
switch (GetParam()) {
case TestAccessibilityFeature::kTabletModeShelfNavigationButtons:
Shell::Get()
->accessibility_controller()
->SetTabletModeShelfNavigationButtonsEnabled(enabled);
break;
case TestAccessibilityFeature::kSpokenFeedback:
Shell::Get()->accessibility_controller()->SetSpokenFeedbackEnabled(
enabled, A11Y_NOTIFICATION_NONE);
break;
case TestAccessibilityFeature::kAutoclick:
Shell::Get()->accessibility_controller()->SetAutoclickEnabled(enabled);
break;
case TestAccessibilityFeature::kSwitchAccess:
Shell::Get()->accessibility_controller()->SetSwitchAccessEnabled(
enabled);
break;
}
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
};
} // namespace
// The parameters indicate whether the kShelfHotseat and
// kHideShelfControlsInTabletMode features are enabled.
INSTANTIATE_TEST_SUITE_P(All,
HomeButtonTest,
testing::Combine(testing::Bool(), testing::Bool()));
TEST_P(HomeButtonTest, SwipeUpToOpenFullscreenAppList) {
Shelf* shelf = GetPrimaryShelf();
EXPECT_EQ(ShelfAlignment::kBottom, shelf->alignment());
// Start the drags from the center of the shelf.
const ShelfView* shelf_view = shelf->GetShelfViewForTesting();
gfx::Point start =
gfx::Point(shelf_view->width() / 2, shelf_view->height() / 2);
views::View::ConvertPointToScreen(shelf_view, &start);
// Swiping up less than the threshold should trigger a peeking app list.
gfx::Point end = start;
end.set_y(shelf->GetIdealBounds().bottom() -
AppListView::kDragSnapToPeekingThreshold + 10);
GetEventGenerator()->GestureScrollSequence(
start, end, base::TimeDelta::FromMilliseconds(100), 4 /* steps */);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kPeeking);
// Closing the app list.
GetAppListTestHelper()->DismissAndRunLoop();
GetAppListTestHelper()->CheckVisibility(false);
GetAppListTestHelper()->CheckState(AppListViewState::kClosed);
// Swiping above the threshold should trigger a fullscreen app list.
end.set_y(shelf->GetIdealBounds().bottom() -
AppListView::kDragSnapToPeekingThreshold - 10);
GetEventGenerator()->GestureScrollSequence(
start, end, base::TimeDelta::FromMilliseconds(100), 4 /* steps */);
base::RunLoop().RunUntilIdle();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
}
TEST_P(HomeButtonTest, ClickToOpenAppList) {
Shelf* shelf = GetPrimaryShelf();
EXPECT_EQ(ShelfAlignment::kBottom, shelf->alignment());
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
ASSERT_TRUE(test_api.IsHomeButtonVisible());
ASSERT_TRUE(home_button());
gfx::Point center = home_button()->GetBoundsInScreen().CenterPoint();
GetEventGenerator()->MoveMouseTo(center);
// Click on the home button should toggle the app list.
GetEventGenerator()->ClickLeftButton();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kPeeking);
GetEventGenerator()->ClickLeftButton();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(false);
GetAppListTestHelper()->CheckState(AppListViewState::kClosed);
// Shift-click should open the app list in fullscreen.
GetEventGenerator()->set_flags(ui::EF_SHIFT_DOWN);
GetEventGenerator()->ClickLeftButton();
GetEventGenerator()->set_flags(0);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
// Another shift-click should close the app list.
GetEventGenerator()->set_flags(ui::EF_SHIFT_DOWN);
GetEventGenerator()->ClickLeftButton();
GetEventGenerator()->set_flags(0);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(false);
GetAppListTestHelper()->CheckState(AppListViewState::kClosed);
}
TEST_P(HomeButtonTest, ClickToOpenAppListInTabletMode) {
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(true);
Shelf* shelf = GetPrimaryShelf();
EXPECT_EQ(ShelfAlignment::kBottom, shelf->alignment());
ShelfNavigationWidget::TestApi test_api(shelf->navigation_widget());
// Home button is expected to be hidden in tablet mode if shelf controls
// should be hidden - this feature is available only with hotseat enabled.
const bool should_show_home_button =
!(IsHotseatEnabled() && IsHideShelfControlsInTabletModeEnabled());
EXPECT_EQ(should_show_home_button, test_api.IsHomeButtonVisible());
ASSERT_EQ(should_show_home_button, static_cast<bool>(home_button()));
if (!should_show_home_button)
return;
// App list should be shown by default in tablet mode.
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
// Click on the home button should not close the app list.
gfx::Point center = home_button()->GetBoundsInScreen().CenterPoint();
GetEventGenerator()->MoveMouseTo(center);
GetEventGenerator()->ClickLeftButton();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
// Shift-click should not close the app list.
GetEventGenerator()->set_flags(ui::EF_SHIFT_DOWN);
GetEventGenerator()->ClickLeftButton();
GetEventGenerator()->set_flags(0);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
}
TEST_P(HomeButtonTest, ButtonPositionInTabletMode) {
// Finish all setup tasks. In particular we want to finish the
// GetSwitchStates post task in (Fake)PowerManagerClient which is triggered
// by TabletModeController otherwise this will cause tablet mode to exit
// while we wait for animations in the test.
base::RunLoop().RunUntilIdle();
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(true);
Shelf* const shelf = GetPrimaryShelf();
ShelfViewTestAPI shelf_test_api(shelf->GetShelfViewForTesting());
ShelfNavigationWidget::TestApi test_api(shelf->navigation_widget());
// Home button is expected to be hidden in tablet mode if shelf controls
// should be hidden - this feature is available only with hotseat enabled.
const bool should_show_home_button =
!(IsHotseatEnabled() && IsHideShelfControlsInTabletModeEnabled());
EXPECT_EQ(should_show_home_button, test_api.IsHomeButtonVisible());
EXPECT_EQ(should_show_home_button, static_cast<bool>(home_button()));
// When hotseat is enabled, home button position changes between in-app shelf
// and home shelf, so test in-app when hotseat is enabled.
if (IsHotseatEnabled()) {
// Wait for the navigation widget's animation.
shelf_test_api.RunMessageLoopUntilAnimationsDone(
test_api.GetBoundsAnimator());
EXPECT_EQ(should_show_home_button, test_api.IsHomeButtonVisible());
ASSERT_EQ(should_show_home_button, static_cast<bool>(home_button()));
if (should_show_home_button) {
EXPECT_EQ(home_button()->bounds().x(),
ShelfConfig::Get()->control_button_edge_spacing(
true /* is_primary_axis_edge */));
}
// Switch to in-app shelf.
std::unique_ptr<views::Widget> widget = CreateTestWidget();
}
// Wait for the navigation widget's animation.
shelf_test_api.RunMessageLoopUntilAnimationsDone(
test_api.GetBoundsAnimator());
EXPECT_EQ(should_show_home_button, test_api.IsHomeButtonVisible());
EXPECT_EQ(should_show_home_button, static_cast<bool>(home_button()));
if (should_show_home_button)
EXPECT_GT(home_button()->bounds().x(), 0);
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(false);
shelf_test_api.RunMessageLoopUntilAnimationsDone(
test_api.GetBoundsAnimator());
EXPECT_TRUE(test_api.IsHomeButtonVisible());
ASSERT_TRUE(home_button());
// The space between button and screen edge is within the widget.
EXPECT_EQ(ShelfConfig::Get()->control_button_edge_spacing(
true /* is_primary_axis_edge */),
home_button()->bounds().x());
}
TEST_P(HomeButtonTest, LongPressGesture) {
// Simulate two users with primary user as active.
CreateUserSessions(2);
// Enable the Assistant in system settings.
prefs()->SetBoolean(chromeos::assistant::prefs::kAssistantEnabled, true);
assistant_state()->NotifyFeatureAllowed(
mojom::AssistantAllowedState::ALLOWED);
assistant_state()->NotifyStatusChanged(mojom::AssistantState::READY);
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
EXPECT_TRUE(test_api.IsHomeButtonVisible());
ASSERT_TRUE(home_button());
ui::GestureEvent long_press =
CreateGestureEvent(ui::GestureEventDetails(ui::ET_GESTURE_LONG_PRESS));
SendGestureEvent(&long_press);
GetAppListTestHelper()->WaitUntilIdle();
EXPECT_EQ(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
Shell::Get()->assistant_controller()->ui_controller()->CloseUi(
chromeos::assistant::mojom::AssistantExitPoint::kUnspecified);
// Test long press gesture on secondary display.
SendGestureEventToSecondaryDisplay(&long_press);
GetAppListTestHelper()->WaitUntilIdle();
EXPECT_EQ(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
}
TEST_P(HomeButtonTest, LongPressGestureInTabletMode) {
// Simulate two users with primary user as active.
CreateUserSessions(2);
// Enable the Assistant in system settings.
prefs()->SetBoolean(chromeos::assistant::prefs::kAssistantEnabled, true);
assistant_state()->NotifyFeatureAllowed(
mojom::AssistantAllowedState::ALLOWED);
assistant_state()->NotifyStatusChanged(mojom::AssistantState::READY);
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(true);
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
const bool should_show_home_button =
!(IsHotseatEnabled() && IsHideShelfControlsInTabletModeEnabled());
EXPECT_EQ(should_show_home_button, test_api.IsHomeButtonVisible());
ASSERT_EQ(should_show_home_button, static_cast<bool>(home_button()));
// App list should be shown by default in tablet mode.
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
if (!should_show_home_button)
return;
ui::GestureEvent long_press =
CreateGestureEvent(ui::GestureEventDetails(ui::ET_GESTURE_LONG_PRESS));
SendGestureEvent(&long_press);
GetAppListTestHelper()->WaitUntilIdle();
EXPECT_EQ(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
// Tap on the home button should close assistant.
gfx::Point center = home_button()->GetBoundsInScreen().CenterPoint();
GetEventGenerator()->MoveMouseTo(center);
GetEventGenerator()->ClickLeftButton();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetAppListTestHelper()->CheckState(AppListViewState::kFullscreenAllApps);
EXPECT_EQ(AssistantVisibility::kClosed, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
Shell::Get()->assistant_controller()->ui_controller()->CloseUi(
chromeos::assistant::mojom::AssistantExitPoint::kUnspecified);
}
TEST_P(HomeButtonTest, LongPressGestureWithSecondaryUser) {
// Disallowed by secondary user.
assistant_state()->NotifyFeatureAllowed(
mojom::AssistantAllowedState::DISALLOWED_BY_NONPRIMARY_USER);
// Enable the Assistant in system settings.
prefs()->SetBoolean(chromeos::assistant::prefs::kAssistantEnabled, true);
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
EXPECT_TRUE(test_api.IsHomeButtonVisible());
ASSERT_TRUE(home_button());
ui::GestureEvent long_press =
CreateGestureEvent(ui::GestureEventDetails(ui::ET_GESTURE_LONG_PRESS));
SendGestureEvent(&long_press);
// The Assistant is disabled for secondary user.
EXPECT_NE(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
// Test long press gesture on secondary display.
SendGestureEventToSecondaryDisplay(&long_press);
EXPECT_NE(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
}
TEST_P(HomeButtonTest, LongPressGestureWithSettingsDisabled) {
// Simulate two user with primary user as active.
CreateUserSessions(2);
// Simulate a user who has already completed setup flow, but disabled the
// Assistant in settings.
prefs()->SetBoolean(chromeos::assistant::prefs::kAssistantEnabled, false);
assistant_state()->NotifyFeatureAllowed(
mojom::AssistantAllowedState::ALLOWED);
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
EXPECT_TRUE(test_api.IsHomeButtonVisible());
ASSERT_TRUE(home_button());
ui::GestureEvent long_press =
CreateGestureEvent(ui::GestureEventDetails(ui::ET_GESTURE_LONG_PRESS));
SendGestureEvent(&long_press);
EXPECT_NE(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
// Test long press gesture on secondary display.
SendGestureEventToSecondaryDisplay(&long_press);
EXPECT_NE(AssistantVisibility::kVisible, Shell::Get()
->assistant_controller()
->ui_controller()
->model()
->visibility());
}
// Tests that tapping in the bottom left corner in tablet mode results in the
// home button activating.
TEST_P(HomeButtonTest, InteractOutsideHomeButtonBounds) {
EXPECT_EQ(ShelfAlignment::kBottom, GetPrimaryShelf()->alignment());
// Tap the bottom left of the shelf. The button should work.
gfx::Point bottom_left = GetPrimaryShelf()
->shelf_widget()
->GetWindowBoundsInScreen()
.bottom_left();
GetEventGenerator()->GestureTapAt(bottom_left);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
// Tap the top left of the shelf, the button should work.
gfx::Point bottom_right = GetPrimaryShelf()
->shelf_widget()
->GetWindowBoundsInScreen()
.bottom_right();
GetEventGenerator()->GestureTapAt(bottom_right);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(false);
// Test left shelf.
GetPrimaryShelf()->SetAlignment(ShelfAlignment::kLeft);
gfx::Point top_left =
GetPrimaryShelf()->shelf_widget()->GetWindowBoundsInScreen().origin();
GetEventGenerator()->GestureTapAt(top_left);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
bottom_left = GetPrimaryShelf()
->shelf_widget()
->GetWindowBoundsInScreen()
.bottom_left();
GetEventGenerator()->GestureTapAt(bottom_left);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(false);
// Test right shelf.
GetPrimaryShelf()->SetAlignment(ShelfAlignment::kRight);
gfx::Point top_right =
GetPrimaryShelf()->shelf_widget()->GetWindowBoundsInScreen().top_right();
GetEventGenerator()->GestureTapAt(top_right);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
bottom_right = GetPrimaryShelf()
->shelf_widget()
->GetWindowBoundsInScreen()
.bottom_right();
GetEventGenerator()->GestureTapAt(bottom_right);
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(false);
}
// Tests that clicking the corner of the display opens and closes the AppList.
TEST_P(HomeButtonTest, ClickOnCornerPixel) {
// Screen corners are extremely easy to reach with a mouse. Let's make sure
// that a click on the bottom-left corner (or bottom-right corner in RTL)
// can trigger the home button.
gfx::Point corner(
0, display::Screen::GetScreen()->GetPrimaryDisplay().bounds().height());
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
ASSERT_TRUE(test_api.IsHomeButtonVisible());
GetAppListTestHelper()->CheckVisibility(false);
GetEventGenerator()->MoveMouseTo(corner);
GetEventGenerator()->ClickLeftButton();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(true);
GetEventGenerator()->ClickLeftButton();
GetAppListTestHelper()->WaitUntilIdle();
GetAppListTestHelper()->CheckVisibility(false);
}
INSTANTIATE_TEST_SUITE_P(
All,
HomeButtonVisibilityWithAccessibilityFeaturesTest,
::testing::Values(
TestAccessibilityFeature::kTabletModeShelfNavigationButtons,
TestAccessibilityFeature::kSpokenFeedback,
TestAccessibilityFeature::kAutoclick,
TestAccessibilityFeature::kSwitchAccess));
TEST_P(HomeButtonVisibilityWithAccessibilityFeaturesTest,
TabletModeSwitchWithA11yFeatureEnabled) {
SetTestA11yFeatureEnabled(true /*enabled*/);
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
EXPECT_TRUE(test_api.IsHomeButtonVisible());
// Switch to tablet mode, and verify the home button is still visible.
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(true);
EXPECT_TRUE(test_api.IsHomeButtonVisible());
// The button should be hidden if the feature gets disabled.
SetTestA11yFeatureEnabled(false /*enabled*/);
EXPECT_FALSE(test_api.IsHomeButtonVisible());
}
TEST_P(HomeButtonVisibilityWithAccessibilityFeaturesTest,
FeatureEnabledWhileInTabletMode) {
ShelfNavigationWidget::TestApi test_api(
GetPrimaryShelf()->navigation_widget());
EXPECT_TRUE(test_api.IsHomeButtonVisible());
// Switch to tablet mode, and verify the home button is hidden.
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(true);
EXPECT_FALSE(test_api.IsHomeButtonVisible());
// The button should be shown if the feature gets enabled.
SetTestA11yFeatureEnabled(true /*enabled*/);
EXPECT_TRUE(test_api.IsHomeButtonVisible());
}
} // namespace ash