From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../extensions/webidl-api/ExtensionEventManager.h  | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 toolkit/components/extensions/webidl-api/ExtensionEventManager.h

(limited to 'toolkit/components/extensions/webidl-api/ExtensionEventManager.h')

diff --git a/toolkit/components/extensions/webidl-api/ExtensionEventManager.h b/toolkit/components/extensions/webidl-api/ExtensionEventManager.h
new file mode 100644
index 0000000000..eff3b3e045
--- /dev/null
+++ b/toolkit/components/extensions/webidl-api/ExtensionEventManager.h
@@ -0,0 +1,99 @@
+/* -*- 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_extensions_ExtensionEventManager_h
+#define mozilla_extensions_ExtensionEventManager_h
+
+#include "js/GCHashTable.h"  // for JS::GCHashMap
+#include "js/TypeDecls.h"    // for JS::Handle, JSContext, JSObject, ...
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/ErrorResult.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsCOMPtr.h"
+#include "nsISupports.h"
+#include "nsPointerHashKeys.h"
+#include "nsRefPtrHashtable.h"
+#include "nsWrapperCache.h"
+
+#include "ExtensionAPIBase.h"
+
+class nsIGlobalObject;
+
+namespace mozilla {
+
+namespace dom {
+class Function;
+}  // namespace dom
+
+namespace extensions {
+
+class ExtensionBrowser;
+class ExtensionEventListener;
+
+class ExtensionEventManager final : public nsISupports,
+                                    public nsWrapperCache,
+                                    public ExtensionAPIBase {
+ public:
+  ExtensionEventManager(nsIGlobalObject* aGlobal,
+                        ExtensionBrowser* aExtensionBrowser,
+                        const nsAString& aNamespace,
+                        const nsAString& aEventName,
+                        const nsAString& aObjectType = VoidString(),
+                        const nsAString& aObjectId = VoidString());
+
+  // nsWrapperCache interface methods
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+  nsIGlobalObject* GetParentObject() const;
+
+  bool HasListener(dom::Function& aCallback, ErrorResult& aRv) const;
+  bool HasListeners(ErrorResult& aRv) const;
+
+  void AddListener(JSContext* aCx, dom::Function& aCallback,
+                   const dom::Optional<JS::Handle<JSObject*>>& aOptions,
+                   ErrorResult& aRv);
+  void RemoveListener(dom::Function& aCallback, ErrorResult& aRv);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ExtensionEventManager)
+
+ protected:
+  // ExtensionAPIBase methods
+  nsIGlobalObject* GetGlobalObject() const override { return mGlobal; }
+  ExtensionBrowser* GetExtensionBrowser() const override {
+    return mExtensionBrowser;
+  }
+
+  nsString GetAPINamespace() const override { return mAPINamespace; }
+
+  nsString GetAPIObjectType() const override { return mAPIObjectType; }
+
+  nsString GetAPIObjectId() const override { return mAPIObjectId; }
+
+ private:
+  using ListenerWrappersMap =
+      JS::GCHashMap<JS::Heap<JSObject*>, RefPtr<ExtensionEventListener>,
+                    js::StableCellHasher<JS::Heap<JSObject*>>,
+                    js::SystemAllocPolicy>;
+
+  ~ExtensionEventManager();
+
+  void ReleaseListeners();
+
+  nsCOMPtr<nsIGlobalObject> mGlobal;
+  RefPtr<ExtensionBrowser> mExtensionBrowser;
+  nsString mAPINamespace;
+  nsString mEventName;
+  nsString mAPIObjectType;
+  nsString mAPIObjectId;
+  ListenerWrappersMap mListeners;
+};
+
+}  // namespace extensions
+}  // namespace mozilla
+
+#endif  // mozilla_extensions_ExtensionEventManager_h
-- 
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