mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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153 lines
4.0 KiB
C++
153 lines
4.0 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 nsDOMFileReader_h__
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#define nsDOMFileReader_h__
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#include "mozilla/Attributes.h"
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#include "nsISupportsUtils.h"
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#include "nsString.h"
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#include "nsWeakReference.h"
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#include "nsIStreamListener.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsJSUtils.h"
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#include "nsTArray.h"
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#include "prtime.h"
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#include "nsITimer.h"
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#include "nsIAsyncInputStream.h"
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#include "nsIDOMFileReader.h"
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#include "nsIDOMFileList.h"
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#include "nsCOMPtr.h"
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#include "FileIOObject.h"
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namespace mozilla {
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namespace dom {
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class File;
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}
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}
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class nsDOMFileReader final : public mozilla::dom::FileIOObject,
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public nsIDOMFileReader,
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public nsIInterfaceRequestor,
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public nsSupportsWeakReference
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{
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typedef mozilla::ErrorResult ErrorResult;
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typedef mozilla::dom::GlobalObject GlobalObject;
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typedef mozilla::dom::File File;
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public:
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nsDOMFileReader();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIDOMFILEREADER
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper)
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// nsIInterfaceRequestor
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NS_DECL_NSIINTERFACEREQUESTOR
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// FileIOObject overrides
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virtual void DoAbort(nsAString& aEvent) override;
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virtual nsresult DoReadData(nsIAsyncInputStream* aStream, uint64_t aCount) override;
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virtual nsresult DoOnLoadEnd(nsresult aStatus, nsAString& aSuccessEvent,
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nsAString& aTerminationEvent) override;
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nsPIDOMWindow* GetParentObject() const
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{
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return GetOwner();
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}
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// WebIDL
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static already_AddRefed<nsDOMFileReader>
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Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
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void ReadAsArrayBuffer(JSContext* aCx, File& aBlob, ErrorResult& aRv)
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{
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ReadFileContent(aBlob, EmptyString(), FILE_AS_ARRAYBUFFER, aRv);
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}
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void ReadAsText(File& aBlob, const nsAString& aLabel, ErrorResult& aRv)
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{
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ReadFileContent(aBlob, aLabel, FILE_AS_TEXT, aRv);
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}
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void ReadAsDataURL(File& aBlob, ErrorResult& aRv)
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{
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ReadFileContent(aBlob, EmptyString(), FILE_AS_DATAURL, aRv);
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}
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using FileIOObject::Abort;
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// Inherited ReadyState().
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void GetResult(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
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ErrorResult& aRv);
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using FileIOObject::GetError;
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IMPL_EVENT_HANDLER(loadstart)
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using FileIOObject::GetOnprogress;
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using FileIOObject::SetOnprogress;
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IMPL_EVENT_HANDLER(load)
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using FileIOObject::GetOnabort;
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using FileIOObject::SetOnabort;
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using FileIOObject::GetOnerror;
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using FileIOObject::SetOnerror;
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IMPL_EVENT_HANDLER(loadend)
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void ReadAsBinaryString(File& aBlob, ErrorResult& aRv)
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{
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ReadFileContent(aBlob, EmptyString(), FILE_AS_BINARY, aRv);
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}
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nsresult Init();
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsDOMFileReader,
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FileIOObject)
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void RootResultArrayBuffer();
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protected:
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virtual ~nsDOMFileReader();
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enum eDataFormat {
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FILE_AS_ARRAYBUFFER,
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FILE_AS_BINARY,
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FILE_AS_TEXT,
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FILE_AS_DATAURL
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};
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void ReadFileContent(File& aBlob,
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const nsAString &aCharset, eDataFormat aDataFormat,
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ErrorResult& aRv);
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nsresult GetAsText(nsIDOMBlob *aFile, const nsACString &aCharset,
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const char *aFileData, uint32_t aDataLen, nsAString &aResult);
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nsresult GetAsDataURL(nsIDOMBlob *aFile, const char *aFileData, uint32_t aDataLen, nsAString &aResult);
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void FreeFileData() {
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free(mFileData);
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mFileData = nullptr;
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mDataLen = 0;
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}
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char *mFileData;
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nsCOMPtr<nsIDOMBlob> mFile;
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nsCString mCharset;
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uint32_t mDataLen;
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eDataFormat mDataFormat;
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nsString mResult;
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JS::Heap<JSObject*> mResultArrayBuffer;
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};
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#endif
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