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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 */
#ifndef mozilla_widget_ScreenManager_h
#define mozilla_widget_ScreenManager_h
#include "nsIScreenManager.h"
#include "mozilla/RefPtr.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/widget/Screen.h"
#include "nsTArray.h"
namespace mozilla {
namespace dom {
class ContentParent;
class ScreenDetails;
} // namespace dom
} // namespace mozilla
namespace mozilla {
namespace widget {
class ScreenManager final : public nsIScreenManager {
class Helper {
virtual ~Helper() = default;
static ScreenManager& GetSingleton();
static already_AddRefed<ScreenManager> GetAddRefedSingleton();
void SetHelper(UniquePtr<Helper> aHelper);
static void Refresh(nsTArray<RefPtr<Screen>>&& aScreens);
void Refresh(nsTArray<mozilla::dom::ScreenDetails>&& aScreens);
void CopyScreensToRemote(mozilla::dom::ContentParent* aContentParent);
already_AddRefed<Screen> GetPrimaryScreen();
already_AddRefed<Screen> ScreenForRect(const DesktopIntRect& aRect);
const nsTArray<RefPtr<Screen>>& CurrentScreenList() const {
return mScreenList;
virtual ~ScreenManager();
void RefreshInternal(nsTArray<RefPtr<Screen>>&& aScreens);
template <class Range>
void CopyScreensToRemoteRange(Range aRemoteRange);
void CopyScreensToAllRemotesIfIsParent();
AutoTArray<RefPtr<Screen>, 4> mScreenList;
UniquePtr<Helper> mHelper;
} // namespace widget
} // namespace mozilla
#endif // mozilla_widget_ScreenManager_h