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311 lines
8.8 KiB
Plaintext
311 lines
8.8 KiB
Plaintext
/* -*- 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Simon Fraser <sfraser@netscape.com>
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*
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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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsDownloadListener.h"
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#include "nsIWebProgress.h"
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#include "nsIRequest.h"
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#include "nsIURL.h"
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#include "netCore.h"
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nsDownloadListener::nsDownloadListener(DownloadControllerFactory* inControllerFactory)
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: CHDownloader(inControllerFactory)
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, mBypassCache(PR_FALSE)
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, mNetworkTransfer(PR_FALSE)
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, mGotFirstStateChange(PR_FALSE)
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, mUserCanceled(PR_FALSE)
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{
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}
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nsDownloadListener::~nsDownloadListener()
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{
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}
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NS_IMPL_ISUPPORTS_INHERITED2(nsDownloadListener, CHDownloader, nsIDownload, nsIWebProgressListener)
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#pragma mark -
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/* void init (in nsIURI aSource, in nsILocalFile aTarget, in wstring aDisplayName, in wstring openingWith, in long long startTime, in nsIWebBrowserPersist aPersist); */
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NS_IMETHODIMP
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nsDownloadListener::Init(nsIURI *aSource, nsILocalFile *aTarget, const PRUnichar *aDisplayName,
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const PRUnichar *openingWith, PRInt64 startTime, nsIWebBrowserPersist *aPersist)
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{
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CreateDownloadDisplay(); // call the base class to make the download UI
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if (aPersist) // only true for File->Save As.
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{
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mWebPersist = aPersist;
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mWebPersist->SetProgressListener(this); // we form a cycle here, since we're a listener.
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// we'll break this cycle in DownloadDone()
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}
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SetIsFileSave(aPersist != NULL);
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mDestination = aTarget;
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mURI = aSource;
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mStartTime = startTime;
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InitDialog();
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return NS_OK;
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}
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/* readonly attribute nsIURI source; */
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NS_IMETHODIMP
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nsDownloadListener::GetSource(nsIURI * *aSource)
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{
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NS_ENSURE_ARG_POINTER(aSource);
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NS_IF_ADDREF(*aSource = mURI);
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return NS_OK;
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}
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/* readonly attribute nsILocalFile target; */
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NS_IMETHODIMP
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nsDownloadListener::GetTarget(nsILocalFile * *aTarget)
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{
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NS_ENSURE_ARG_POINTER(aTarget);
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NS_IF_ADDREF(*aTarget = mDestination);
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return NS_OK;
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}
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/* readonly attribute nsIWebBrowserPersist persist; */
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NS_IMETHODIMP
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nsDownloadListener::GetPersist(nsIWebBrowserPersist * *aPersist)
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{
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NS_ENSURE_ARG_POINTER(aPersist);
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NS_IF_ADDREF(*aPersist = mWebPersist);
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return NS_OK;
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}
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/* readonly attribute PRInt32 percentComplete; */
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NS_IMETHODIMP
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nsDownloadListener::GetPercentComplete(PRInt32 *aPercentComplete)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* attribute wstring displayName; */
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NS_IMETHODIMP
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nsDownloadListener::GetDisplayName(PRUnichar * *aDisplayName)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDownloadListener::SetDisplayName(const PRUnichar * aDisplayName)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* readonly attribute long long startTime; */
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NS_IMETHODIMP
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nsDownloadListener::GetStartTime(PRInt64 *aStartTime)
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{
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NS_ENSURE_ARG(aStartTime);
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*aStartTime = mStartTime;
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return NS_OK;
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}
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/* readonly attribute wstring openingWith; */
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NS_IMETHODIMP
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nsDownloadListener::GetOpeningWith(PRUnichar * *aOpeningWith)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* attribute nsIWebProgressListener listener; */
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NS_IMETHODIMP
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nsDownloadListener::GetListener(nsIWebProgressListener * *aListener)
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{
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NS_ENSURE_ARG_POINTER(aListener);
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NS_IF_ADDREF(*aListener = (nsIWebProgressListener *)this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDownloadListener::SetListener(nsIWebProgressListener * aListener)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* attribute nsIObserver observer; */
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NS_IMETHODIMP
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nsDownloadListener::GetObserver(nsIObserver * *aObserver)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDownloadListener::SetObserver(nsIObserver * aObserver)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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#pragma mark -
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/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
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NS_IMETHODIMP
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nsDownloadListener::OnProgressChange(nsIWebProgress *aWebProgress,
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nsIRequest *aRequest,
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PRInt32 aCurSelfProgress,
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PRInt32 aMaxSelfProgress,
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PRInt32 aCurTotalProgress,
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PRInt32 aMaxTotalProgress)
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{
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if (mUserCanceled)
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{
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if (aRequest)
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aRequest->Cancel(NS_BINDING_ABORTED);
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mUserCanceled = false;
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}
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[mDownloadDisplay setProgressTo:aCurTotalProgress ofMax:aMaxTotalProgress];
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return NS_OK;
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}
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/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
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NS_IMETHODIMP
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nsDownloadListener::OnLocationChange(nsIWebProgress *aWebProgress,
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nsIRequest *aRequest,
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nsIURI *location)
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{
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return NS_OK;
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}
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/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
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NS_IMETHODIMP
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nsDownloadListener::OnStatusChange(nsIWebProgress *aWebProgress,
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nsIRequest *aRequest,
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nsresult aStatus,
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const PRUnichar *aMessage)
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{
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return NS_OK;
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}
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/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long state); */
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NS_IMETHODIMP
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nsDownloadListener::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 state)
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{
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return NS_OK;
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}
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// Implementation of nsIWebProgressListener
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/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long aStateFlags, in unsigned long aStatus); */
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NS_IMETHODIMP
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nsDownloadListener::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags,
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PRUint32 aStatus)
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{
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// NSLog(@"State changed: state %u, status %u", aStateFlags, aStatus);
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if (!mGotFirstStateChange) {
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mNetworkTransfer = ((aStateFlags & STATE_IS_NETWORK) != 0);
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mGotFirstStateChange = PR_TRUE;
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}
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// when the entire download finishes, stop the progress timer and clean up
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// the window and controller. We will get this even in the event of a cancel,
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// so this is the only place in the listener where we should kill the download.
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if ((aStateFlags & STATE_STOP) && (!mNetworkTransfer || (aStateFlags & STATE_IS_NETWORK))) {
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DownloadDone();
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}
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return NS_OK;
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}
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#pragma mark -
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void
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nsDownloadListener::InitDialog()
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{
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// dialog has to be shown before the outlets get hooked up
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[mDownloadDisplay onStartDownload:(BOOL)IsFileSave()];
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if (mURI)
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{
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nsCAutoString spec;
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mURI->GetSpec(spec);
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[mDownloadDisplay setSourceURL: [NSString stringWithUTF8String:spec.get()]];
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}
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nsAutoString pathStr;
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mDestination->GetPath(pathStr);
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[mDownloadDisplay setDestinationPath: [NSString stringWithCharacters:pathStr.get() length:pathStr.Length()]];
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}
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void
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nsDownloadListener::PauseDownload()
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{
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// write me
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}
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void
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nsDownloadListener::ResumeDownload()
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{
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// write me
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}
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void
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nsDownloadListener::CancelDownload()
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{
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mUserCanceled = PR_TRUE;
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if (mWebPersist)
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{
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mWebPersist->CancelSave();
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mUserCanceled = PR_FALSE;
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}
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// delete any files we've created...
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}
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void
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nsDownloadListener::DownloadDone()
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{
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// break the reference cycle by removing ourselves as a listener
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if (mWebPersist)
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{
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mWebPersist->SetProgressListener(nsnull);
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mWebPersist = nsnull;
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}
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[mDownloadDisplay onEndDownload];
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}
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#pragma mark -
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