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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_widget_gtk_ScreenHelperGTK_h
#define mozilla_widget_gtk_ScreenHelperGTK_h
#include "mozilla/widget/ScreenManager.h"
#include "gdk/gdk.h"
#ifdef MOZ_X11
# include <X11/Xlib.h>
# include "X11UndefineNone.h"
#endif
class nsWindow;
struct wl_registry;
namespace mozilla {
namespace widget {
class ScreenGetter {
public:
ScreenGetter() = default;
virtual ~ScreenGetter(){};
virtual void Init(){};
virtual void RefreshScreens(){};
virtual RefPtr<widget::Screen> GetScreenForWindow(nsWindow* aWindow) {
return nullptr;
}
};
class ScreenGetterGtk : public ScreenGetter {
public:
ScreenGetterGtk();
~ScreenGetterGtk();
void Init();
#ifdef MOZ_X11
Atom NetWorkareaAtom() { return mNetWorkareaAtom; }
#endif
// For internal use from signal callback functions
void RefreshScreens();
private:
GdkWindow* mRootWindow;
#ifdef MOZ_X11
Atom mNetWorkareaAtom;
#endif
};
class ScreenGetterWayland;
struct MonitorConfig;
#ifdef MOZ_WAYLAND
class ScreenGetterWayland : public ScreenGetter {
public:
ScreenGetterWayland();
~ScreenGetterWayland();
void Init();
MonitorConfig* AddMonitorConfig(int aId);
bool RemoveMonitorConfig(int aId);
already_AddRefed<Screen> MakeScreenWayland(gint aMonitor);
RefPtr<widget::Screen> GetScreenForWindow(nsWindow* aWindow);
// For internal use from signal callback functions
void RefreshScreens();
private:
int GetMonitorForWindow(nsWindow* aWindow);
bool MonitorUsesNonIntegerScale(int aMonitor);
private:
wl_registry* mRegistry = nullptr;
// We use UniquePtr<> here to ensure that MonitorConfig is heap-allocated
// so it's not invalidated by any change to mMonitors that could happen in the
// meantime.
AutoTArray<UniquePtr<MonitorConfig>, 4> mMonitors;
AutoTArray<RefPtr<Screen>, 4> mScreenList;
};
#endif
class ScreenHelperGTK final : public ScreenManager::Helper {
public:
ScreenHelperGTK();
~ScreenHelperGTK();
static gint GetGTKMonitorScaleFactor(gint aMonitorNum = 0);
static RefPtr<widget::Screen> GetScreenForWindow(nsWindow* aWindow);
};
} // namespace widget
} // namespace mozilla
#endif // mozilla_widget_gtk_ScreenHelperGTK_h
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