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// Copyright 2014 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/magnifier_key_scroller.h"
#include <memory>
#include "ash/accessibility/magnifier/fullscreen_magnifier_controller.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/wm/window_util.h"
#include "base/run_loop.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/events/event.h"
#include "ui/events/test/event_generator.h"
namespace ash {
namespace {
class KeyEventDelegate : public aura::test::TestWindowDelegate {
public:
KeyEventDelegate() = default;
KeyEventDelegate(const KeyEventDelegate&) = delete;
KeyEventDelegate& operator=(const KeyEventDelegate&) = delete;
~KeyEventDelegate() override = default;
// ui::EventHandler overrides:
void OnKeyEvent(ui::KeyEvent* event) override {
key_event = std::make_unique<ui::KeyEvent>(event->type(), event->key_code(),
event->flags());
}
const ui::KeyEvent* event() const { return key_event.get(); }
void reset() { key_event.reset(); }
private:
std::unique_ptr<ui::KeyEvent> key_event;
};
} // namespace
using MagnifierKeyScrollerTest = AshTestBase;
TEST_F(MagnifierKeyScrollerTest, Basic) {
KeyEventDelegate delegate;
std::unique_ptr<aura::Window> window(CreateTestWindowInShellWithDelegate(
&delegate, 0, gfx::Rect(10, 10, 100, 100)));
wm::ActivateWindow(window.get());
MagnifierKeyScroller::ScopedEnablerForTest scoped;
FullscreenMagnifierController* controller =
Shell::Get()->fullscreen_magnifier_controller();
controller->SetEnabled(true);
EXPECT_EQ("200,150", controller->GetWindowPosition().ToString());
ui::test::EventGenerator* generator = GetEventGenerator();
// Click and Release generates the press event upon release.
generator->PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
EXPECT_EQ("200,150", controller->GetWindowPosition().ToString());
EXPECT_FALSE(delegate.event());
generator->ReleaseKey(ui::VKEY_DOWN, 0);
EXPECT_EQ("200,150", controller->GetWindowPosition().ToString());
base::RunLoop().RunUntilIdle();
ASSERT_TRUE(delegate.event());
EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
delegate.reset();
// Click and hold scrolls the magnifier screen.
generator->PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
EXPECT_EQ("200,150", controller->GetWindowPosition().ToString());
EXPECT_FALSE(delegate.event());
generator->PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
EXPECT_EQ("200,300", controller->GetWindowPosition().ToString());
EXPECT_FALSE(delegate.event());
generator->ReleaseKey(ui::VKEY_DOWN, 0);
EXPECT_EQ("200,300", controller->GetWindowPosition().ToString());
EXPECT_FALSE(delegate.event());
// Events are passed normally when the magnifier is off.
controller->SetEnabled(false);
generator->PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
ASSERT_TRUE(delegate.event());
EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
delegate.reset();
generator->ReleaseKey(ui::VKEY_DOWN, 0);
ASSERT_TRUE(delegate.event());
EXPECT_EQ(ui::ET_KEY_RELEASED, delegate.event()->type());
delegate.reset();
generator->PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
ASSERT_TRUE(delegate.event());
EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
delegate.reset();
generator->PressKey(ui::VKEY_DOWN, ui::EF_SHIFT_DOWN);
ASSERT_TRUE(delegate.event());
EXPECT_EQ(ui::ET_KEY_PRESSED, delegate.event()->type());
delegate.reset();
generator->ReleaseKey(ui::VKEY_DOWN, 0);
ASSERT_TRUE(delegate.event());
EXPECT_EQ(ui::ET_KEY_RELEASED, delegate.event()->type());
delegate.reset();
}
} // namespace ash
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