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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_AURA_TEST_AURA_TEST_HELPER_H_
#define UI_AURA_TEST_AURA_TEST_HELPER_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/wm/core/wm_state.h"
namespace ui {
class ContextFactory;
class ScopedAnimationDurationScaleMode;
class TestContextFactories;
}
namespace aura {
class Env;
class TestScreen;
class Window;
class WindowTreeHost;
namespace client {
class CaptureClient;
class CursorShapeClient;
class DefaultCaptureClient;
class FocusClient;
class ScreenPositionClient;
}
namespace test {
class TestWindowParentingClient;
// A helper class owned by tests that does common initialization required for
// Aura use. This class creates a root window with clients and other objects
// that are necessary to run test on Aura.
class AuraTestHelper {
public:
// Instantiates/destroys an AuraTestHelper. This can happen in a
// single-threaded phase without a backing task environment, and must not
// create one lest the caller wish to do so.
explicit AuraTestHelper(ui::ContextFactory* context_factory = nullptr);
AuraTestHelper(const AuraTestHelper&) = delete;
AuraTestHelper& operator=(const AuraTestHelper&) = delete;
virtual ~AuraTestHelper();
// Returns the current AuraTestHelper, or nullptr if it's not alive.
static AuraTestHelper* GetInstance();
// Creates and initializes (shows and sizes) the RootWindow for use in tests.
// This implementation does not create a task environment, but subclasses may
// choose to do so.
virtual void SetUp();
// Destroys the window, Env, and most other objects. This will be called
// automatically on destruction if it is not called manually earlier.
virtual void TearDown();
// Flushes message loop.
void RunAllPendingInMessageLoop();
virtual Window* GetContext();
virtual WindowTreeHost* GetHost();
virtual TestScreen* GetTestScreen();
virtual client::FocusClient* GetFocusClient();
virtual client::CaptureClient* GetCaptureClient();
static constexpr gfx::Size kDefaultHostSize{800, 600};
Env* GetEnv();
protected:
// May only be called between SetUp() and TearDown().
ui::ContextFactory* GetContextFactory();
private:
std::unique_ptr<wm::WMState> wm_state_ = std::make_unique<wm::WMState>();
std::unique_ptr<ui::ScopedAnimationDurationScaleMode> zero_duration_mode_;
std::unique_ptr<Env> env_;
raw_ptr<ui::ContextFactory> context_factory_to_restore_ = nullptr;
std::unique_ptr<ui::TestContextFactories> context_factories_;
std::unique_ptr<TestScreen> test_screen_;
std::unique_ptr<WindowTreeHost> host_;
std::unique_ptr<client::FocusClient> focus_client_;
std::unique_ptr<client::DefaultCaptureClient> capture_client_;
std::unique_ptr<TestWindowParentingClient> parenting_client_;
std::unique_ptr<client::ScreenPositionClient> screen_position_client_;
std::unique_ptr<client::CursorShapeClient> cursor_shape_client_;
};
} // namespace test
} // namespace aura
#endif // UI_AURA_TEST_AURA_TEST_HELPER_H_
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