gecko-dev/camino/nsDownloadListener.mm

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsDownloadListener.h"
#include "nsIWebProgress.h"
#include "nsIRequest.h"
#include "nsIURL.h"
#include "netCore.h"
nsDownloadListener::nsDownloadListener(DownloadControllerFactory* inControllerFactory)
: CHDownloader(inControllerFactory)
, mBypassCache(PR_FALSE)
, mNetworkTransfer(PR_FALSE)
, mGotFirstStateChange(PR_FALSE)
, mUserCanceled(PR_FALSE)
{
}
nsDownloadListener::~nsDownloadListener()
{
}
NS_IMPL_ISUPPORTS_INHERITED2(nsDownloadListener, CHDownloader, nsIDownload, nsIWebProgressListener)
#pragma mark -
/* void init (in nsIURI aSource, in nsILocalFile aTarget, in wstring aDisplayName, in wstring openingWith, in long long startTime, in nsIWebBrowserPersist aPersist); */
NS_IMETHODIMP
nsDownloadListener::Init(nsIURI *aSource, nsILocalFile *aTarget, const PRUnichar *aDisplayName,
const PRUnichar *openingWith, PRInt64 startTime, nsIWebBrowserPersist *aPersist)
{
CreateDownloadDisplay(); // call the base class to make the download UI
if (aPersist) // only true for File->Save As.
{
mWebPersist = aPersist;
mWebPersist->SetProgressListener(this); // we form a cycle here, since we're a listener.
// we'll break this cycle in DownloadDone()
}
SetIsFileSave(aPersist != NULL);
mDestination = aTarget;
mURI = aSource;
mStartTime = startTime;
InitDialog();
return NS_OK;
}
/* readonly attribute nsIURI source; */
NS_IMETHODIMP
nsDownloadListener::GetSource(nsIURI * *aSource)
{
NS_ENSURE_ARG_POINTER(aSource);
NS_IF_ADDREF(*aSource = mURI);
return NS_OK;
}
/* readonly attribute nsILocalFile target; */
NS_IMETHODIMP
nsDownloadListener::GetTarget(nsILocalFile * *aTarget)
{
NS_ENSURE_ARG_POINTER(aTarget);
NS_IF_ADDREF(*aTarget = mDestination);
return NS_OK;
}
/* readonly attribute nsIWebBrowserPersist persist; */
NS_IMETHODIMP
nsDownloadListener::GetPersist(nsIWebBrowserPersist * *aPersist)
{
NS_ENSURE_ARG_POINTER(aPersist);
NS_IF_ADDREF(*aPersist = mWebPersist);
return NS_OK;
}
/* readonly attribute PRInt32 percentComplete; */
NS_IMETHODIMP
nsDownloadListener::GetPercentComplete(PRInt32 *aPercentComplete)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute wstring displayName; */
NS_IMETHODIMP
nsDownloadListener::GetDisplayName(PRUnichar * *aDisplayName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsDownloadListener::SetDisplayName(const PRUnichar * aDisplayName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* readonly attribute long long startTime; */
NS_IMETHODIMP
nsDownloadListener::GetStartTime(PRInt64 *aStartTime)
{
NS_ENSURE_ARG(aStartTime);
*aStartTime = mStartTime;
return NS_OK;
}
/* readonly attribute wstring openingWith; */
NS_IMETHODIMP
nsDownloadListener::GetOpeningWith(PRUnichar * *aOpeningWith)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute nsIWebProgressListener listener; */
NS_IMETHODIMP
nsDownloadListener::GetListener(nsIWebProgressListener * *aListener)
{
NS_ENSURE_ARG_POINTER(aListener);
NS_IF_ADDREF(*aListener = (nsIWebProgressListener *)this);
return NS_OK;
}
NS_IMETHODIMP
nsDownloadListener::SetListener(nsIWebProgressListener * aListener)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute nsIObserver observer; */
NS_IMETHODIMP
nsDownloadListener::GetObserver(nsIObserver * *aObserver)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsDownloadListener::SetObserver(nsIObserver * aObserver)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
#pragma mark -
/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
NS_IMETHODIMP
nsDownloadListener::OnProgressChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRInt32 aCurSelfProgress,
PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress,
PRInt32 aMaxTotalProgress)
{
if (mUserCanceled)
{
if (aRequest)
aRequest->Cancel(NS_BINDING_ABORTED);
mUserCanceled = false;
}
[mDownloadDisplay setProgressTo:aCurTotalProgress ofMax:aMaxTotalProgress];
return NS_OK;
}
/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
NS_IMETHODIMP
nsDownloadListener::OnLocationChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
nsIURI *location)
{
return NS_OK;
}
/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
NS_IMETHODIMP
nsDownloadListener::OnStatusChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
nsresult aStatus,
const PRUnichar *aMessage)
{
return NS_OK;
}
/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long state); */
NS_IMETHODIMP
nsDownloadListener::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 state)
{
return NS_OK;
}
// Implementation of nsIWebProgressListener
/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long aStateFlags, in unsigned long aStatus); */
NS_IMETHODIMP
nsDownloadListener::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags,
PRUint32 aStatus)
{
// NSLog(@"State changed: state %u, status %u", aStateFlags, aStatus);
if (!mGotFirstStateChange) {
mNetworkTransfer = ((aStateFlags & STATE_IS_NETWORK) != 0);
mGotFirstStateChange = PR_TRUE;
}
// when the entire download finishes, stop the progress timer and clean up
// the window and controller. We will get this even in the event of a cancel,
// so this is the only place in the listener where we should kill the download.
if ((aStateFlags & STATE_STOP) && (!mNetworkTransfer || (aStateFlags & STATE_IS_NETWORK))) {
DownloadDone();
}
return NS_OK;
}
#pragma mark -
void
nsDownloadListener::InitDialog()
{
// dialog has to be shown before the outlets get hooked up
[mDownloadDisplay onStartDownload:(BOOL)IsFileSave()];
if (mURI)
{
nsCAutoString spec;
mURI->GetSpec(spec);
[mDownloadDisplay setSourceURL: [NSString stringWithUTF8String:spec.get()]];
}
nsAutoString pathStr;
mDestination->GetPath(pathStr);
[mDownloadDisplay setDestinationPath: [NSString stringWith_nsAString:pathStr]];
}
void
nsDownloadListener::PauseDownload()
{
// write me
}
void
nsDownloadListener::ResumeDownload()
{
// write me
}
void
nsDownloadListener::CancelDownload()
{
mUserCanceled = PR_TRUE;
if (mWebPersist)
{
mWebPersist->CancelSave();
mUserCanceled = PR_FALSE;
}
// delete any files we've created...
}
void
nsDownloadListener::DownloadDone()
{
// break the reference cycle by removing ourselves as a listener
if (mWebPersist)
{
mWebPersist->SetProgressListener(nsnull);
mWebPersist = nsnull;
}
[mDownloadDisplay onEndDownload];
}
#pragma mark -