mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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104 lines
2.7 KiB
C++
104 lines
2.7 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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#ifndef FileIOObject_h__
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#define FileIOObject_h__
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#include "mozilla/DOMEventTargetHelper.h"
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#include "nsIFile.h"
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#include "nsITimer.h"
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#include "nsCOMPtr.h"
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#include "nsIAsyncInputStream.h"
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#include "mozilla/dom/DOMError.h"
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#define NS_PROGRESS_EVENT_INTERVAL 50
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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extern const uint64_t kUnknownSize;
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// A common base class for FileReader and FileSaver
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class FileIOObject : public DOMEventTargetHelper,
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public nsIInputStreamCallback,
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public nsITimerCallback
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{
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public:
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FileIOObject();
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NS_DECL_ISUPPORTS_INHERITED
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// Common methods
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void Abort(ErrorResult& aRv);
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uint16_t ReadyState() const
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{
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return mReadyState;
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}
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DOMError* GetError() const
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{
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return mError;
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}
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NS_METHOD GetOnabort(JSContext* aCx, JS::MutableHandle<JS::Value> aValue);
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NS_METHOD SetOnabort(JSContext* aCx, JS::Handle<JS::Value> aValue);
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NS_METHOD GetOnerror(JSContext* aCx, JS::MutableHandle<JS::Value> aValue);
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NS_METHOD SetOnerror(JSContext* aCx, JS::Handle<JS::Value> aValue);
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NS_METHOD GetOnprogress(JSContext* aCx, JS::MutableHandle<JS::Value> aValue);
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NS_METHOD SetOnprogress(JSContext* aCx, JS::Handle<JS::Value> aValue);
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IMPL_EVENT_HANDLER(abort)
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IMPL_EVENT_HANDLER(error)
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IMPL_EVENT_HANDLER(progress)
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_NSIINPUTSTREAMCALLBACK
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileIOObject, DOMEventTargetHelper)
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protected:
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virtual ~FileIOObject();
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// Implemented by the derived class to do whatever it needs to do for abort
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virtual void DoAbort(nsAString& aEvent) = 0;
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virtual nsresult DoReadData(nsIAsyncInputStream* aStream, uint64_t aCount) = 0;
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virtual nsresult DoOnLoadEnd(nsresult aStatus, nsAString& aSuccessEvent,
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nsAString& aTerminationEvent) = 0;
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nsresult OnLoadEnd(nsresult aStatus);
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nsresult DoAsyncWait(nsIAsyncInputStream* aStream);
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void StartProgressEventTimer();
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void ClearProgressEventTimer();
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void DispatchError(nsresult rv, nsAString& finalEvent);
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nsresult DispatchProgressEvent(const nsAString& aType);
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nsCOMPtr<nsITimer> mProgressNotifier;
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bool mProgressEventWasDelayed;
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bool mTimerIsActive;
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nsCOMPtr<nsIAsyncInputStream> mAsyncStream;
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nsRefPtr<DOMError> mError;
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uint16_t mReadyState;
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uint64_t mTotal;
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uint64_t mTransferred;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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