99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_extensions_ExtensionEventManager_h
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#define mozilla_extensions_ExtensionEventManager_h
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#include "js/GCHashTable.h" // for JS::GCHashMap
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#include "js/TypeDecls.h" // for JS::Handle, JSContext, JSObject, ...
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/ErrorResult.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsCOMPtr.h"
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#include "nsISupports.h"
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#include "nsPointerHashKeys.h"
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#include "nsRefPtrHashtable.h"
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#include "nsWrapperCache.h"
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#include "ExtensionAPIBase.h"
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class nsIGlobalObject;
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namespace mozilla {
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namespace dom {
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class Function;
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} // namespace dom
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namespace extensions {
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class ExtensionBrowser;
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class ExtensionEventListener;
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class ExtensionEventManager final : public nsISupports,
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public nsWrapperCache,
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public ExtensionAPIBase {
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public:
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ExtensionEventManager(nsIGlobalObject* aGlobal,
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ExtensionBrowser* aExtensionBrowser,
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const nsAString& aNamespace,
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const nsAString& aEventName,
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const nsAString& aObjectType = VoidString(),
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const nsAString& aObjectId = VoidString());
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// nsWrapperCache interface methods
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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nsIGlobalObject* GetParentObject() const;
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bool HasListener(dom::Function& aCallback, ErrorResult& aRv) const;
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bool HasListeners(ErrorResult& aRv) const;
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void AddListener(JSContext* aCx, dom::Function& aCallback,
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const dom::Optional<JS::Handle<JSObject*>>& aOptions,
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ErrorResult& aRv);
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void RemoveListener(dom::Function& aCallback, ErrorResult& aRv);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ExtensionEventManager)
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protected:
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// ExtensionAPIBase methods
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nsIGlobalObject* GetGlobalObject() const override { return mGlobal; }
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ExtensionBrowser* GetExtensionBrowser() const override {
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return mExtensionBrowser;
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}
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nsString GetAPINamespace() const override { return mAPINamespace; }
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nsString GetAPIObjectType() const override { return mAPIObjectType; }
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nsString GetAPIObjectId() const override { return mAPIObjectId; }
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private:
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using ListenerWrappersMap =
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JS::GCHashMap<JS::Heap<JSObject*>, RefPtr<ExtensionEventListener>,
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js::StableCellHasher<JS::Heap<JSObject*>>,
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js::SystemAllocPolicy>;
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~ExtensionEventManager();
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void ReleaseListeners();
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nsCOMPtr<nsIGlobalObject> mGlobal;
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RefPtr<ExtensionBrowser> mExtensionBrowser;
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nsString mAPINamespace;
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nsString mEventName;
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nsString mAPIObjectType;
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nsString mAPIObjectId;
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ListenerWrappersMap mListeners;
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};
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} // namespace extensions
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} // namespace mozilla
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#endif // mozilla_extensions_ExtensionEventManager_h
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