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33bb32f549
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-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
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}
convert MOZ_OVERRIDE override
convert MOZ_FINAL final
148 lines
3.6 KiB
C++
148 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=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_indexeddb_idbfilehandle_h__
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#define mozilla_dom_indexeddb_idbfilehandle_h__
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#include "IDBFileRequest.h"
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#include "js/TypeDecls.h"
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#include "MainThreadUtils.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/FileHandle.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsWeakReference.h"
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class nsPIDOMWindow;
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namespace mozilla {
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namespace dom {
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struct IDBFileMetadataParameters;
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namespace indexedDB {
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class IDBMutableFile;
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class IDBFileHandle final : public DOMEventTargetHelper,
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public nsIRunnable,
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public FileHandleBase,
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public nsSupportsWeakReference
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIRUNNABLE
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBFileHandle, DOMEventTargetHelper)
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static already_AddRefed<IDBFileHandle>
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Create(FileMode aMode,
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RequestMode aRequestMode,
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IDBMutableFile* aMutableFile);
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virtual MutableFileBase*
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MutableFile() const override;
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// nsIDOMEventTarget
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virtual nsresult
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PreHandleEvent(EventChainPreVisitor& aVisitor) override;
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// WrapperCache
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virtual JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// WebIDL
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nsPIDOMWindow*
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GetParentObject() const
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{
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return GetOwner();
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}
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IDBMutableFile*
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GetMutableFile() const
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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return mMutableFile;
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}
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IDBMutableFile*
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GetFileHandle() const
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{
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return GetMutableFile();
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}
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already_AddRefed<IDBFileRequest>
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GetMetadata(const IDBFileMetadataParameters& aParameters, ErrorResult& aRv);
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already_AddRefed<IDBFileRequest>
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ReadAsArrayBuffer(uint64_t aSize, ErrorResult& aRv)
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{
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return Read(aSize, false, NullString(), aRv).downcast<IDBFileRequest>();
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}
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already_AddRefed<IDBFileRequest>
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ReadAsText(uint64_t aSize, const nsAString& aEncoding, ErrorResult& aRv)
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{
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return Read(aSize, true, aEncoding, aRv).downcast<IDBFileRequest>();
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}
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template<class T>
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already_AddRefed<IDBFileRequest>
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Write(const T& aValue, ErrorResult& aRv)
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{
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return
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WriteOrAppend(aValue, false, aRv).template downcast<IDBFileRequest>();
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}
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template<class T>
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already_AddRefed<IDBFileRequest>
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Append(const T& aValue, ErrorResult& aRv)
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{
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return WriteOrAppend(aValue, true, aRv).template downcast<IDBFileRequest>();
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}
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already_AddRefed<IDBFileRequest>
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Truncate(const Optional<uint64_t>& aSize, ErrorResult& aRv)
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{
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return FileHandleBase::Truncate(aSize, aRv).downcast<IDBFileRequest>();
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}
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already_AddRefed<IDBFileRequest>
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Flush(ErrorResult& aRv)
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{
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return FileHandleBase::Flush(aRv).downcast<IDBFileRequest>();
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}
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IMPL_EVENT_HANDLER(complete)
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IMPL_EVENT_HANDLER(abort)
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IMPL_EVENT_HANDLER(error)
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private:
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IDBFileHandle(FileMode aMode,
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RequestMode aRequestMode,
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IDBMutableFile* aMutableFile);
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~IDBFileHandle();
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virtual nsresult
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OnCompleteOrAbort(bool aAborted) override;
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virtual bool
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CheckWindow() override;
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virtual already_AddRefed<FileRequestBase>
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GenerateFileRequest() override;
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nsRefPtr<IDBMutableFile> mMutableFile;
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};
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} // namespace indexedDB
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_indexeddb_idbfilehandle_h__
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