зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
3.7 KiB
C++
134 строки
3.7 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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/* Copyright © 2013 Deutsche Telekom, Inc. */
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#ifndef mozilla_dom_MozNDEFRecord_h__
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#define mozilla_dom_MozNDEFRecord_h__
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsWrapperCache.h"
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#include "jsapi.h"
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#include "mozilla/dom/MozNDEFRecordBinding.h"
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#include "mozilla/dom/TypedArray.h"
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#include "jsfriendapi.h"
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#include "js/GCAPI.h"
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#include "nsISupports.h"
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struct JSContext;
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struct JSStructuredCloneWriter;
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namespace mozilla {
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namespace dom {
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class MozNDEFRecordOptions;
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class MozNDEFRecord final : public nsISupports,
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public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MozNDEFRecord)
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public:
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MozNDEFRecord(nsISupports* aParent, TNF aTnf = TNF::Empty);
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nsISupports* GetParentObject() const
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{
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return mParent;
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}
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<MozNDEFRecord>
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Constructor(const GlobalObject& aGlobal,
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const MozNDEFRecordOptions& aOptions,
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ErrorResult& aRv);
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static already_AddRefed<MozNDEFRecord>
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Constructor(const GlobalObject& aGlobal,
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const nsAString& aURI,
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ErrorResult& aRv);
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TNF Tnf() const
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{
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return mTnf;
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}
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void GetType(JSContext* /* unused */, JS::MutableHandle<JSObject*> aRetVal) const
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{
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if (mType) {
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JS::ExposeObjectToActiveJS(mType);
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}
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aRetVal.set(mType);
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}
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void GetId(JSContext* /* unused */, JS::MutableHandle<JSObject*> aRetVal) const
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{
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if (mId) {
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JS::ExposeObjectToActiveJS(mId);
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}
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aRetVal.set(mId);
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}
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void GetPayload(JSContext* /* unused */, JS::MutableHandle<JSObject*> aRetVal) const
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{
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if (mPayload) {
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JS::ExposeObjectToActiveJS(mPayload);
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}
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aRetVal.set(mPayload);
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}
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uint32_t Size() const
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{
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return mSize;
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}
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void GetAsURI(nsAString& aRetVal);
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// Structured clone methods use these to clone MozNDEFRecord.
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bool WriteStructuredClone(JSContext* aCx, JSStructuredCloneWriter* aWriter) const;
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bool ReadStructuredClone(JSContext* aCx, JSStructuredCloneReader* aReader);
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protected:
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~MozNDEFRecord();
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private:
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MozNDEFRecord() = delete;
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nsRefPtr<nsISupports> mParent;
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void HoldData();
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void DropData();
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void InitType(JSContext* aCx, const Optional<Nullable<Uint8Array>>& aType);
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void InitType(JSContext* aCx, const RTD rtd);
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void InitType(JSContext* aCx, JSObject& aType, uint32_t aLen);
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void InitId(JSContext* aCx, const Optional<Nullable<Uint8Array>>& aId);
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void InitId(JSContext* aCx, JSObject& aId, uint32_t aLen);
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void InitPayload(JSContext* aCx, const Optional<Nullable<Uint8Array>>& aPayload);
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void InitPayload(JSContext* aCx, const nsAString& aUri);
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void InitPayload(JSContext* aCx, JSObject& aPayload, uint32_t aLen);
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void IncSize(uint32_t aCount);
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void IncSizeForPayload(uint32_t aLen);
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bool WriteUint8Array(JSContext* aCx, JSStructuredCloneWriter* aWriter, JSObject* aObj, uint32_t aLen) const;
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static bool
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ValidateTNF(const MozNDEFRecordOptions& aOptions, ErrorResult& aRv);
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static uint32_t GetURIIdentifier(const nsCString& aUri);
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TNF mTnf;
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JS::Heap<JSObject*> mType;
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JS::Heap<JSObject*> mId;
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JS::Heap<JSObject*> mPayload;
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uint32_t mSize;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MozNDEFRecord_h__
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