blob: 93a26d9003ee7cf647ce303916be5a46571e1639 [file] [log] [blame]
// Copyright 2014 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.
#include <stdint.h>
#include "ash/ash_export.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/observer_list.h"
#include "ui/display/display_observer.h"
#include "ui/display/screen.h"
namespace gfx {
class Rect;
namespace ash {
namespace internal {
class DisplayManager;
// Aura implementation of display::Screen. Implemented here to avoid circular
// dependencies.
class ASH_EXPORT ScreenAsh : public display::Screen {
~ScreenAsh() override;
// display::Screen overrides:
gfx::Point GetCursorScreenPoint() override;
bool IsWindowUnderCursor(gfx::NativeWindow window) 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;
friend class DisplayManager;
// Notifies observers of display configuration changes.
void NotifyMetricsChanged(const display::Display& display, uint32_t metrics);
void NotifyDisplayAdded(const display::Display& display);
void NotifyDisplayRemoved(const display::Display& display);
// Creates a screen that can be used during shutdown.
// It simply has a copy of the displays.
display::Screen* CloneForShutdown();
base::ObserverList<display::DisplayObserver> observers_;
} // namespace ash