gecko-dev/toolkit/components/extensions/DocumentObserver.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* 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_DocumentObserver_h
#define mozilla_extensions_DocumentObserver_h
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/MozDocumentObserverBinding.h"
#include "mozilla/extensions/WebExtensionContentScript.h"
class nsILoadInfo;
class nsPIDOMWindowOuter;
namespace mozilla {
namespace extensions {
class DocumentObserver final : public nsISupports, public nsWrapperCache {
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DocumentObserver)
static already_AddRefed<DocumentObserver> Constructor(
dom::GlobalObject& aGlobal, dom::MozDocumentCallback& aCallbacks);
void Observe(const dom::Sequence<OwningNonNull<MozDocumentMatcher>>& matchers,
ErrorResult& aRv);
void Disconnect();
const nsTArray<RefPtr<MozDocumentMatcher>>& Matchers() const {
return mMatchers;
}
void NotifyMatch(MozDocumentMatcher& aMatcher, nsPIDOMWindowOuter* aWindow);
void NotifyMatch(MozDocumentMatcher& aMatcher, nsILoadInfo* aLoadInfo);
nsISupports* GetParentObject() const { return mParent; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
protected:
virtual ~DocumentObserver() = default;
private:
explicit DocumentObserver(nsISupports* aParent,
dom::MozDocumentCallback& aCallbacks)
: mParent(aParent), mCallbacks(&aCallbacks) {}
nsCOMPtr<nsISupports> mParent;
RefPtr<dom::MozDocumentCallback> mCallbacks;
nsTArray<RefPtr<MozDocumentMatcher>> mMatchers;
};
} // namespace extensions
} // namespace mozilla
#endif // mozilla_extensions_DocumentObserver_h