mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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153 lines
5.1 KiB
C++
153 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozila.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsDOMFileReader_h__
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#define nsDOMFileReader_h__
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#include "nsISupportsUtils.h"
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#include "nsString.h"
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#include "nsIStreamListener.h"
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#include "nsIScriptContext.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 "nsIJSNativeInitializer.h"
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#include "prtime.h"
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#include "nsITimer.h"
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#include "nsDOMEventTargetHelper.h"
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#include "nsICharsetDetector.h"
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#include "nsICharsetDetectionObserver.h"
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#include "nsIDOMFile.h"
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#include "nsIDOMFileReader.h"
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#include "nsIDOMFileList.h"
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#include "nsIDOMFileError.h"
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#include "nsIInputStream.h"
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#include "nsCOMPtr.h"
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#include "nsIStreamLoader.h"
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#include "nsIChannel.h"
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#include "prmem.h"
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#include "nsXMLHttpRequest.h"
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class nsDOMFileReader : public nsXHREventTarget,
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public nsIDOMFileReader,
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public nsIStreamListener,
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public nsIInterfaceRequestor,
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public nsSupportsWeakReference,
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public nsIJSNativeInitializer,
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public nsITimerCallback,
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public nsICharsetDetectionObserver
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{
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public:
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nsDOMFileReader();
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virtual ~nsDOMFileReader();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIDOMFILEREADER
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsDOMFileReader, nsXHREventTarget)
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NS_FORWARD_NSIXMLHTTPREQUESTEVENTTARGET(nsXHREventTarget::);
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// nsIStreamListener
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NS_DECL_NSISTREAMLISTENER
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// nsIRequestObserver
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NS_DECL_NSIREQUESTOBSERVER
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// nsIInterfaceRequestor
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NS_DECL_NSIINTERFACEREQUESTOR
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// nsITimerCallback
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NS_DECL_NSITIMERCALLBACK
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// nsIJSNativeInitializer
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NS_IMETHOD Initialize(nsISupports* aOwner, JSContext* cx, JSObject* obj,
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PRUint32 argc, jsval* argv);
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NS_FORWARD_NSIDOMEVENTTARGET(nsXHREventTarget::)
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NS_FORWARD_NSIDOMNSEVENTTARGET(nsXHREventTarget::)
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// nsICharsetDetectionObserver
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NS_IMETHOD Notify(const char *aCharset, nsDetectionConfident aConf);
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void DispatchProgressEvent(const nsAString& aType);
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nsresult Init();
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protected:
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nsresult ReadFileContent(nsIDOMFile *aFile, const nsAString &aCharset, PRUint32 aDataFormat);
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nsresult GetAsText(const nsAString &aCharset,
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const char *aFileData, PRUint32 aDataLen, nsAString &aResult);
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nsresult GetAsDataURL(nsIFile *aFile, const char *aFileData, PRUint32 aDataLen, nsAString &aResult);
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nsresult GuessCharset(const char *aFileData, PRUint32 aDataLen, nsACString &aCharset);
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nsresult ConvertStream(const char *aFileData, PRUint32 aDataLen, const char *aCharset, nsAString &aResult);
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void DispatchError(nsresult rv);
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void StartProgressEventTimer();
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void FreeFileData() {
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PR_Free(mFileData);
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mFileData = nsnull;
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mDataLen = 0;
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}
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char *mFileData;
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nsCOMPtr<nsIFile> mFile;
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nsString mCharset;
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PRUint32 mDataLen;
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PRUint32 mDataFormat;
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nsString mResult;
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PRUint16 mReadyState;
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PRBool mProgressEventWasDelayed;
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PRBool mTimerIsActive;
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nsCOMPtr<nsIDOMFileError> mError;
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nsCOMPtr<nsITimer> mProgressNotifier;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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nsCOMPtr<nsIChannel> mChannel;
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PRInt64 mReadTotal;
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PRUint64 mReadTransferred;
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nsRefPtr<nsDOMEventListenerWrapper> mOnLoadEndListener;
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};
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#endif
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