зеркало из https://github.com/mozilla/gecko-dev.git
140 строки
2.8 KiB
C++
140 строки
2.8 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_idbmutablefile_h__
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#define mozilla_dom_idbmutablefile_h__
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#include "js/TypeDecls.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/dom/FileModeBinding.h"
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#include "mozilla/dom/MutableFileBase.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsHashKeys.h"
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#include "nsString.h"
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#include "nsTHashtable.h"
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class nsPIDOMWindowInner;
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class DOMRequest;
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class File;
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class IDBDatabase;
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class IDBFileHandle;
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namespace indexedDB {
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class BackgroundMutableFileChild;
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}
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class IDBMutableFile final
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: public DOMEventTargetHelper
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, public MutableFileBase
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{
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RefPtr<IDBDatabase> mDatabase;
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nsTHashtable<nsPtrHashKey<IDBFileHandle>> mFileHandles;
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nsString mName;
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nsString mType;
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Atomic<bool> mInvalidated;
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public:
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IDBMutableFile(IDBDatabase* aDatabase,
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indexedDB::BackgroundMutableFileChild* aActor,
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const nsAString& aName,
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const nsAString& aType);
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void
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SetLazyData(const nsAString& aName,
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const nsAString& aType)
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{
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mName = aName;
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mType = aType;
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}
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int64_t
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GetFileId() const;
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void
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Invalidate();
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void
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RegisterFileHandle(IDBFileHandle* aFileHandle);
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void
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UnregisterFileHandle(IDBFileHandle* aFileHandle);
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void
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AbortFileHandles();
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// WebIDL
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nsPIDOMWindowInner*
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GetParentObject() const
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{
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return GetOwner();
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}
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void
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GetName(nsString& aName) const
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{
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aName = mName;
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}
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void
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GetType(nsString& aType) const
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{
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aType = mType;
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}
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IDBDatabase*
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Database() const;
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already_AddRefed<IDBFileHandle>
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Open(FileMode aMode, ErrorResult& aError);
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already_AddRefed<DOMRequest>
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GetFile(ErrorResult& aError);
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IMPL_EVENT_HANDLER(abort)
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IMPL_EVENT_HANDLER(error)
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBMutableFile, DOMEventTargetHelper)
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// nsWrapperCache
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virtual JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// MutableFileBase
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virtual const nsString&
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Name() const override;
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virtual const nsString&
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Type() const override;
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virtual bool
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IsInvalidated() override;
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virtual already_AddRefed<File>
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CreateFileFor(BlobImpl* aBlobImpl,
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FileHandleBase* aFileHandle) override;
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private:
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~IDBMutableFile();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_idbmutablefile_h__
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