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// Copyright 2023 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/accelerators/accelerator_controller_impl.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/constants/ash_switches.h"
#include "ash/public/cpp/accelerators.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/virtual_trackpad/virtual_trackpad_view.h"
#include "ash/wm/desks/desks_controller.h"
#include "ash/wm/overview/overview_controller.h"
#include "ash/wm/overview/overview_session.h"
#include "base/command_line.h"
#include "base/test/scoped_feature_list.h"
#include "chromeos/constants/chromeos_features.h"
#include "ui/views/controls/button/label_button.h"
namespace ash {
class VirtualTrackpadTest : public AshTestBase {
public:
VirtualTrackpadTest() = default;
VirtualTrackpadTest(const VirtualTrackpadTest&) = delete;
VirtualTrackpadTest& operator=(const VirtualTrackpadTest&) = delete;
~VirtualTrackpadTest() override = default;
// AshTestBase:
void SetUp() override {
base::CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kAshDebugShortcuts);
AshTestBase::SetUp();
}
void ToggleVirtualTrackpad() {
PressAndReleaseKey(ui::VKEY_Q, kDebugModifier);
}
views::Widget* GetWidget() {
return VirtualTrackpadView::GetWidgetForTesting();
}
gfx::Rect GetVirtualTrackpadBoundsInScreen() {
views::Widget* widget = GetWidget();
DCHECK(widget);
// Get contents view through the delegate because we set the contents view
// through the delegate. The reasoning is explained in `Toggle()`.
gfx::Rect bounds = static_cast<VirtualTrackpadView*>(
widget->widget_delegate()->GetContentsView())
->GetTrackpadViewForTesting()
->GetBoundsInScreen();
// Inset by a bit to ensure we don't click on the edges.
bounds.Inset(3);
return bounds;
}
void ClickFourFingerButton() {
views::Widget* widget = GetWidget();
DCHECK(widget);
views::LabelButton* four_finger_button =
static_cast<VirtualTrackpadView*>(
widget->widget_delegate()->GetContentsView())
->finger_buttons_[4];
LeftClickOn(four_finger_button);
}
};
// Tests that the accelerator to show and hide the virtual trackpad widget works
// as expected.
TEST_F(VirtualTrackpadTest, ToggleShowHide) {
ASSERT_FALSE(GetWidget());
ToggleVirtualTrackpad();
EXPECT_TRUE(GetWidget());
ToggleVirtualTrackpad();
// Toggle to close uses `views::Widget::Close()` which uses a post task.
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(GetWidget());
}
class VirtualTrackpadTestReverseScroll
: public VirtualTrackpadTest,
public testing::WithParamInterface<bool> {
public:
VirtualTrackpadTestReverseScroll() = default;
VirtualTrackpadTestReverseScroll(const VirtualTrackpadTestReverseScroll&) =
delete;
VirtualTrackpadTestReverseScroll& operator=(
const VirtualTrackpadTestReverseScroll&) = delete;
~VirtualTrackpadTestReverseScroll() override = default;
void SetUp() override { VirtualTrackpadTest::SetUp(); }
void SetNaturalScroll(bool enabled) {
PrefService* pref =
Shell::Get()->session_controller()->GetActivePrefService();
pref->SetBoolean(prefs::kTouchpadEnabled, true);
pref->SetBoolean(prefs::kNaturalScroll, enabled);
}
};
// Tests that using the virtual trackpad allows us to enter and exit overview.
// Also tests this with reverse scrolling enabled.
TEST_P(VirtualTrackpadTestReverseScroll, SwipeToToggleOverview) {
ToggleVirtualTrackpad();
// Toggle natural scrolling. Behavior should stay the same.
SetNaturalScroll(/*enabled=*/GetParam());
OverviewController* overview_controller = Shell::Get()->overview_controller();
ASSERT_FALSE(overview_controller->InOverviewSession());
// Get the trackpad bounds so we can use the mouse to generate scroll events.
gfx::Rect trackpad_bounds = GetVirtualTrackpadBoundsInScreen();
// Swipe up to enter overview. There should be no items in overview as the
// virtual trackpad window is excluded from overview.
auto* event_generator = GetEventGenerator();
event_generator->MoveMouseTo(trackpad_bounds.bottom_center());
event_generator->DragMouseTo(trackpad_bounds.top_center());
ASSERT_TRUE(overview_controller->InOverviewSession());
EXPECT_TRUE(overview_controller->overview_session()->IsEmpty());
// Swipe down to exit overview.
event_generator->DragMouseTo(trackpad_bounds.bottom_center());
EXPECT_FALSE(overview_controller->InOverviewSession());
}
// Tests that using the virtual trackpad allows us to choose four fingers and
// swipe to an adjacent desk. Also tests this with reverse scrolling enabled.
TEST_P(VirtualTrackpadTestReverseScroll, SwipeToSwitchDesks) {
DesksController* desks_controller = DesksController::Get();
desks_controller->NewDesk(DesksCreationRemovalSource::kKeyboard);
desks_controller->NewDesk(DesksCreationRemovalSource::kKeyboard);
desks_controller->ActivateDesk(desks_controller->GetDeskAtIndex(1),
DesksSwitchSource::kUserSwitch);
ASSERT_EQ(1, desks_controller->GetActiveDeskIndex());
ToggleVirtualTrackpad();
// Toggle natural scrolling.
SetNaturalScroll(/*enabled=*/GetParam());
// Get the trackpad bounds so we can use the mouse to generate scroll events.
gfx::Rect trackpad_bounds = GetVirtualTrackpadBoundsInScreen();
// Try swiping across the virtual trackpad. The desk doesn't change as the
// generated swipe is the default three fingers.
auto* event_generator = GetEventGenerator();
event_generator->MoveMouseTo(trackpad_bounds.right_center());
event_generator->DragMouseTo(trackpad_bounds.left_center());
ASSERT_EQ(1, desks_controller->GetActiveDeskIndex());
// Click on the button which will make generated swipes be four fingers.
// Swiping across the virtual trackpad will now change the desk.
ClickFourFingerButton();
event_generator->MoveMouseTo(trackpad_bounds.right_center());
event_generator->DragMouseTo(trackpad_bounds.left_center());
// Natural scroll should flip the behavior of scrolls.
bool natural_scroll_enabled = GetParam();
EXPECT_EQ(natural_scroll_enabled ? 2 : 0,
desks_controller->GetActiveDeskIndex());
}
INSTANTIATE_TEST_SUITE_P(All,
VirtualTrackpadTestReverseScroll,
::testing::Bool());
} // namespace ash
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