зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
4.1 KiB
C++
135 строки
4.1 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_dom_JSWindowActorService_h
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#define mozilla_dom_JSWindowActorService_h
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#include "mozilla/dom/BrowsingContext.h"
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#include "mozilla/ErrorResult.h"
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#include "nsIURI.h"
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#include "nsRefPtrHashtable.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "mozilla/dom/JSWindowActor.h"
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#include "nsIObserver.h"
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#include "nsIDOMEventListener.h"
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#include "mozilla/EventListenerManager.h"
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#include "mozilla/extensions/WebExtensionContentScript.h"
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namespace mozilla {
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namespace dom {
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struct WindowActorOptions;
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class JSWindowActorInfo;
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class EventTarget;
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/**
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* Object corresponding to a single actor protocol. This object acts as an
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* Event listener for the actor which is called for events which would
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* trigger actor creation.
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*
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* This object also can act as a carrier for methods and other state related to
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* a single protocol managed by the JSWindowActorService.
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*/
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class JSWindowActorProtocol final : public nsIObserver,
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public nsIDOMEventListener {
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public:
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIDOMEVENTLISTENER
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(JSWindowActorProtocol, nsIObserver)
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static already_AddRefed<JSWindowActorProtocol> FromIPC(
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const JSWindowActorInfo& aInfo);
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JSWindowActorInfo ToIPC();
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static already_AddRefed<JSWindowActorProtocol> FromWebIDLOptions(
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const nsAString& aName, const WindowActorOptions& aOptions,
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ErrorResult& aRv);
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struct Sided {
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Maybe<nsCString> mModuleURI;
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};
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struct ParentSide : public Sided {};
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struct EventDecl {
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nsString mName;
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EventListenerFlags mFlags;
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Optional<bool> mPassive;
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};
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struct ChildSide : public Sided {
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nsTArray<EventDecl> mEvents;
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nsTArray<nsCString> mObservers;
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};
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const ParentSide& Parent() const { return mParent; }
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const ChildSide& Child() const { return mChild; }
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void RegisterListenersFor(EventTarget* aRoot);
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void UnregisterListenersFor(EventTarget* aRoot);
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void AddObservers();
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void RemoveObservers();
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bool Matches(BrowsingContext* aBrowsingContext, nsIURI* aURI,
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const nsAString& aRemoteType);
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private:
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explicit JSWindowActorProtocol(const nsAString& aName) : mName(aName) {}
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extensions::MatchPatternSet* GetURIMatcher();
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~JSWindowActorProtocol() = default;
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nsString mName;
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bool mAllFrames = false;
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bool mIncludeChrome = false;
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nsTArray<nsString> mMatches;
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nsTArray<nsString> mRemoteTypes;
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ParentSide mParent;
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ChildSide mChild;
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RefPtr<extensions::MatchPatternSet> mURIMatcher;
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};
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class JSWindowActorService final {
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public:
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NS_INLINE_DECL_REFCOUNTING(JSWindowActorService)
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static already_AddRefed<JSWindowActorService> GetSingleton();
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void RegisterWindowActor(const nsAString& aName,
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const WindowActorOptions& aOptions,
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ErrorResult& aRv);
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void UnregisterWindowActor(const nsAString& aName);
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// Register child's Window Actor from JSWindowActorInfos for content process.
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void LoadJSWindowActorInfos(nsTArray<JSWindowActorInfo>& aInfos);
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// Get the named of Window Actor and the child's WindowActorOptions
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// from mDescriptors to JSWindowActorInfos.
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void GetJSWindowActorInfos(nsTArray<JSWindowActorInfo>& aInfos);
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// Register or unregister a WindowRoot object from this JSWindowActorService.
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void RegisterWindowRoot(EventTarget* aRoot);
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// NOTE: This method is static, as it may be called during shutdown.
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static void UnregisterWindowRoot(EventTarget* aRoot);
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already_AddRefed<JSWindowActorProtocol> GetProtocol(const nsAString& aName);
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private:
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JSWindowActorService();
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~JSWindowActorService();
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nsTArray<EventTarget*> mRoots;
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nsRefPtrHashtable<nsStringHashKey, JSWindowActorProtocol> mDescriptors;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_JSWindowActorService_h
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