Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/dom/base/MessageListenerManager.h b/dom/base/MessageListenerManager.h
new file mode 100644
index 0000000000..bc1043222c
--- /dev/null
+++ b/dom/base/MessageListenerManager.h
@@ -0,0 +1,52 @@
+/* -*- 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_dom_MessageListenerManager_h
+#define mozilla_dom_MessageListenerManager_h
+
+#include "nsCycleCollectionNoteChild.h"
+#include "nsFrameMessageManager.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla::dom {
+
+class MessageBroadcaster;
+
+/**
+ * Implementation for the WebIDL MessageListenerManager interface. Base class
+ * for message managers that are exposed to script.
+ */
+class MessageListenerManager : public nsFrameMessageManager,
+                               public nsWrapperCache {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageListenerManager,
+                                                         nsFrameMessageManager)
+
+  MessageBroadcaster* GetParentObject() { return mParentManager; }
+
+  virtual MessageBroadcaster* GetParentManager() override {
+    return mParentManager;
+  }
+
+  /**
+   * If aRemove is true then RemoveChildManager(this) will be called on the
+   * parent manager first.
+   */
+  virtual void ClearParentManager(bool aRemove) override;
+
+ protected:
+  MessageListenerManager(ipc::MessageManagerCallback* aCallback,
+                         MessageBroadcaster* aParentManager,
+                         MessageManagerFlags aFlags);
+  virtual ~MessageListenerManager();
+
+  RefPtr<MessageBroadcaster> mParentManager;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_MessageListenerManager_h