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// Copyright 2018 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/accessibility/chromevox/key_accessibility_enabler.h"
#include "ash/accessibility/accessibility_controller.h"
#include "ash/accessibility/accessibility_observer.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/wm/tablet_mode/tablet_mode_controller.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/test/simple_test_tick_clock.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/event.h"
namespace ash {
class KeyAccessibilityEnablerTest : public AshTestBase,
public AccessibilityObserver {
public:
KeyAccessibilityEnablerTest() {}
void SetUp() override {
ui::SetEventTickClockForTesting(&clock_);
AshTestBase::SetUp();
Shell::Get()->accessibility_controller()->AddObserver(this);
key_accessibility_enabler_ = Shell::Get()->key_accessibility_enabler();
}
void TearDown() override {
ui::SetEventTickClockForTesting(nullptr);
Shell::Get()->accessibility_controller()->RemoveObserver(this);
AshTestBase::TearDown();
}
void SendKeyEvent(ui::KeyEvent* event) {
// Tablet mode gets exited elsewhere, so we must force it enabled before
// each key event.
Shell::Get()->tablet_mode_controller()->SetEnabledForTest(true);
key_accessibility_enabler_->OnKeyEvent(event);
}
void WaitForAccessibilityStatusChanged() {
run_loop_ = std::make_unique<base::RunLoop>();
clock_.Advance(base::Milliseconds(5000));
run_loop_->Run();
}
private:
// AccessibilityObserver:
void OnAccessibilityStatusChanged() override { run_loop_->Quit(); }
std::unique_ptr<base::RunLoop> run_loop_;
raw_ptr<KeyAccessibilityEnabler, DanglingUntriaged>
key_accessibility_enabler_;
base::SimpleTestTickClock clock_;
};
TEST_F(KeyAccessibilityEnablerTest, TwoVolumeKeyDown) {
ui::KeyEvent vol_down_press(ui::EventType::kKeyPressed, ui::VKEY_VOLUME_DOWN,
ui::EF_NONE);
ui::KeyEvent vol_up_press(ui::EventType::kKeyPressed, ui::VKEY_VOLUME_UP,
ui::EF_NONE);
ui::KeyEvent vol_down_release(ui::EventType::kKeyReleased,
ui::VKEY_VOLUME_DOWN, ui::EF_NONE);
ui::KeyEvent vol_up_release(ui::EventType::kKeyReleased, ui::VKEY_VOLUME_UP,
ui::EF_NONE);
AccessibilityController* controller =
Shell::Get()->accessibility_controller();
ASSERT_FALSE(controller->spoken_feedback().enabled());
SendKeyEvent(&vol_down_press);
SendKeyEvent(&vol_up_press);
WaitForAccessibilityStatusChanged();
ASSERT_TRUE(controller->spoken_feedback().enabled());
SendKeyEvent(&vol_down_release);
SendKeyEvent(&vol_up_release);
SendKeyEvent(&vol_down_press);
SendKeyEvent(&vol_up_press);
WaitForAccessibilityStatusChanged();
ASSERT_FALSE(controller->spoken_feedback().enabled());
}
} // namespace ash
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