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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.
#ifndef UI_AURA_SCREEN_OZONE_H_
#define UI_AURA_SCREEN_OZONE_H_
#include <memory>
#include <vector>
#include "base/values.h"
#include "build/chromeos_buildflags.h"
#include "ui/aura/aura_export.h"
#include "ui/display/screen.h"
#include "ui/ozone/public/platform_screen.h"
namespace aura {
// display::Screen implementation on top of ui::PlatformScreen provided by
// Ozone.
class AURA_EXPORT ScreenOzone : public display::Screen {
public:
ScreenOzone();
ScreenOzone(const ScreenOzone&) = delete;
ScreenOzone& operator=(const ScreenOzone&) = delete;
~ScreenOzone() override;
void Initialize();
// display::Screen interface.
gfx::Point GetCursorScreenPoint() override;
bool IsWindowUnderCursor(gfx::NativeWindow window) override;
gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
gfx::NativeWindow GetLocalProcessWindowAtPoint(
const gfx::Point& point,
const std::set<gfx::NativeWindow>& ignore) override;
int GetNumDisplays() const override;
const std::vector<display::Display>& GetAllDisplays() const override;
display::Display GetDisplayNearestWindow(
gfx::NativeWindow window) const override;
display::Display GetDisplayNearestView(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;
#if BUILDFLAG(IS_CHROMEOS_LACROS) || BUILDFLAG(IS_LINUX)
std::unique_ptr<display::Screen::ScreenSaverSuspender> SuspendScreenSaver()
override;
#endif // BUILDFLAG(IS_CHROMEOS_LACROS) || BUILDFLAG(IS_LINUX)
bool IsScreenSaverActive() const override;
base::TimeDelta CalculateIdleTime() const override;
void AddObserver(display::DisplayObserver* observer) override;
void RemoveObserver(display::DisplayObserver* observer) override;
std::string GetCurrentWorkspace() override;
base::Value::List GetGpuExtraInfo(
const gfx::GpuExtraInfo& gpu_extra_info) override;
#if BUILDFLAG(IS_CHROMEOS_LACROS)
display::TabletState GetTabletState() const override;
#endif
// Returns the NativeWindow associated with the AcceleratedWidget.
virtual gfx::NativeWindow GetNativeWindowFromAcceleratedWidget(
gfx::AcceleratedWidget widget) const;
static bool IsOzoneInitialized();
protected:
ui::PlatformScreen* platform_screen() { return platform_screen_.get(); }
private:
#if BUILDFLAG(IS_CHROMEOS_LACROS) || BUILDFLAG(IS_LINUX)
class ScreenSaverSuspenderOzone
: public display::Screen::ScreenSaverSuspender {
public:
explicit ScreenSaverSuspenderOzone(
std::unique_ptr<ui::PlatformScreen::PlatformScreenSaverSuspender>
suspender);
ScreenSaverSuspenderOzone(const ScreenSaverSuspenderOzone&) = delete;
ScreenSaverSuspenderOzone& operator=(const ScreenSaverSuspenderOzone&) =
delete;
~ScreenSaverSuspenderOzone() override;
private:
std::unique_ptr<ui::PlatformScreen::PlatformScreenSaverSuspender>
suspender_;
};
#endif // BUILDFLAG(IS_CHROMEOS_LACROS) || BUILDFLAG(IS_LINUX)
gfx::AcceleratedWidget GetAcceleratedWidgetForWindow(
aura::Window* window) const;
virtual void OnBeforePlatformScreenInit();
std::unique_ptr<ui::PlatformScreen> platform_screen_;
};
// ScopedScreenOzone creates a ScreenOzone instead of NativeScreen
// (created by `CreateNativeScreen()`) if the screen hasn't been set.
class AURA_EXPORT ScopedScreenOzone : public display::ScopedNativeScreen {
public:
explicit ScopedScreenOzone(const base::Location& location = FROM_HERE);
ScopedScreenOzone(const ScopedScreenOzone&) = delete;
ScopedScreenOzone operator=(const ScopedScreenOzone&) = delete;
~ScopedScreenOzone() override;
private:
display::Screen* CreateScreen() override;
};
} // namespace aura
#endif // UI_AURA_SCREEN_OZONE_H_
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