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// Copyright (c) 2012 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.
#ifndef UI_AURA_TEST_TEST_SCREEN_H_
#define UI_AURA_TEST_TEST_SCREEN_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "ui/aura/window_observer.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
namespace gfx {
class Insets;
class Rect;
class Transform;
}
namespace aura {
class Window;
class WindowTreeHost;
// A minimal, testing Aura implementation of display::Screen.
// TODO(bruthig): Consider extending gfx::test::TestScreen.
class TestScreen : public display::Screen, public WindowObserver {
public:
// Creates a display::Screen of the specified size. If no size is specified,
// then creates a 800x600 screen. |size| is in physical pixels.
static TestScreen* Create(const gfx::Size& size);
~TestScreen() override;
WindowTreeHost* CreateHostForPrimaryDisplay();
void SetDeviceScaleFactor(float device_scale_fator);
void SetDisplayRotation(display::Display::Rotation rotation);
void SetUIScale(float ui_scale);
void SetWorkAreaInsets(const gfx::Insets& insets);
protected:
gfx::Transform GetRotationTransform() const;
gfx::Transform GetUIScaleTransform() const;
// WindowObserver overrides:
void OnWindowBoundsChanged(Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) override;
void OnWindowDestroying(Window* window) override;
// display::Screen overrides:
gfx::Point GetCursorScreenPoint() override;
gfx::NativeWindow GetWindowUnderCursor() override;
gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
int GetNumDisplays() const override;
std::vector<display::Display> GetAllDisplays() const override;
display::Display GetDisplayNearestWindow(gfx::NativeView view) const override;
display::Display GetDisplayNearestPoint(
const gfx::Point& point) const override;
display::Display GetDisplayMatching(
const gfx::Rect& match_rect) const override;
display::Display GetPrimaryDisplay() const override;
void AddObserver(display::DisplayObserver* observer) override;
void RemoveObserver(display::DisplayObserver* observer) override;
private:
explicit TestScreen(const gfx::Rect& screen_bounds);
aura::WindowTreeHost* host_;
display::Display display_;
float ui_scale_;
DISALLOW_COPY_AND_ASSIGN(TestScreen);
};
} // namespace aura
#endif // UI_AURA_TEST_TEST_SCREEN_H_