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-rw-r--r--widget/ScreenManager.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/widget/ScreenManager.h b/widget/ScreenManager.h
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+++ b/widget/ScreenManager.h
@@ -0,0 +1,68 @@
+/* -*- 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_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 {
+ public:
+ class Helper {
+ public:
+ virtual ~Helper() = default;
+ };
+
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSISCREENMANAGER
+
+ 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;
+ }
+
+ private:
+ ScreenManager();
+ 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