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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_OZONE_PLATFORM_X11_X11_SCREEN_OZONE_H_
#define UI_OZONE_PLATFORM_X11_X11_SCREEN_OZONE_H_
#include <memory>
#include <utility>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "ui/base/x/x11_display_manager.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/x/event.h"
#include "ui/ozone/public/platform_screen.h"
#if BUILDFLAG(IS_LINUX)
#include "ui/linux/device_scale_factor_observer.h"
#include "ui/linux/linux_ui.h"
#endif
namespace ui {
class X11WindowManager;
// A PlatformScreen implementation for X11.
class X11ScreenOzone : public PlatformScreen,
public x11::EventObserver,
public XDisplayManager::Delegate
#if BUILDFLAG(IS_LINUX)
,
public DeviceScaleFactorObserver
#endif
{
public:
X11ScreenOzone();
X11ScreenOzone(const X11ScreenOzone&) = delete;
X11ScreenOzone& operator=(const X11ScreenOzone&) = delete;
~X11ScreenOzone() override;
// Fetch display list through Xlib/XRandR
void Init();
// Overridden from ui::PlatformScreen:
const std::vector<display::Display>& GetAllDisplays() const override;
display::Display GetPrimaryDisplay() const override;
display::Display GetDisplayForAcceleratedWidget(
gfx::AcceleratedWidget widget) const override;
gfx::Point GetCursorScreenPoint() const override;
bool IsAcceleratedWidgetUnderCursor(
gfx::AcceleratedWidget widget) const override;
gfx::AcceleratedWidget GetAcceleratedWidgetAtScreenPoint(
const gfx::Point& point) const override;
gfx::AcceleratedWidget GetLocalProcessWidgetAtPoint(
const gfx::Point& point,
const std::set<gfx::AcceleratedWidget>& ignore) const override;
display::Display GetDisplayNearestPoint(
const gfx::Point& point) const override;
display::Display GetDisplayMatching(
const gfx::Rect& match_rect) const override;
std::unique_ptr<PlatformScreen::PlatformScreenSaverSuspender>
SuspendScreenSaver() override;
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;
// Overridden from x11::EventObserver:
void OnEvent(const x11::Event& event) override;
private:
friend class X11ScreenOzoneTest;
class X11ScreenSaverSuspender
: public PlatformScreen::PlatformScreenSaverSuspender {
public:
X11ScreenSaverSuspender(const X11ScreenSaverSuspender&) = delete;
X11ScreenSaverSuspender& operator=(const X11ScreenSaverSuspender&) = delete;
~X11ScreenSaverSuspender() override;
static std::unique_ptr<X11ScreenSaverSuspender> Create();
private:
X11ScreenSaverSuspender();
bool is_suspending_ = false;
};
// ui::XDisplayManager::Delegate:
void OnXDisplayListUpdated() override;
#if BUILDFLAG(IS_LINUX)
// DeviceScaleFactorObserver:
void OnDeviceScaleFactorChanged() override;
#endif
const raw_ptr<x11::Connection> connection_;
const raw_ptr<X11WindowManager> window_manager_;
std::unique_ptr<ui::XDisplayManager> x11_display_manager_;
// Indicates that |this| is initialized.
bool initialized_ = false;
#if BUILDFLAG(IS_LINUX)
base::ScopedObservation<ui::LinuxUi, DeviceScaleFactorObserver>
display_scale_factor_observer_{this};
#endif
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_X11_X11_SCREEN_OZONE_H_
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