/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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):
* Conrad Carlen <ccarlen@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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "MozDownload.h"
#include "mozilla-download.h"
#include "nsIExternalHelperAppService.h"
#include "nsDirectoryServiceDefs.h"
#include "nsDirectoryServiceUtils.h"
#include "nsIRequest.h"
#include "netCore.h"
#include "nsIObserver.h"
//*****************************************************************************
// MozDownload
//*****************************************************************************
MozDownload::MozDownload() :
mGotFirstStateChange(false), mIsNetworkTransfer(false),
mUserCanceled(false),
mStatus(NS_OK),
mEmbedPersist(nsnull),
mDownloadState(EPHY_DOWNLOAD_DOWNLOADING)
{
}
MozDownload::~MozDownload()
{
}
NS_IMPL_ISUPPORTS2(MozDownload, nsIDownload, nsIWebProgressListener)
NS_IMETHODIMP
MozDownload::InitForEmbed (nsIURI *aSource, nsILocalFile *aTarget, const PRUnichar *aDisplayName,
nsIMIMEInfo *aMIMEInfo, PRInt64 startTime, nsIWebBrowserPersist *aPersist,
MozillaEmbedPersist *aEmbedPersist)
{
mEmbedPersist = aEmbedPersist;
return Init (aSource, aTarget, aDisplayName, aMIMEInfo, startTime, aPersist);
}
/* void init (in nsIURI aSource, in nsILocalFile aTarget, in wstring aDisplayName, in nsIMIMEInfo aMIMEInfo, in long long startTime, in nsIWebBrowserPersist aPersist); */
NS_IMETHODIMP
MozDownload::Init(nsIURI *aSource, nsILocalFile *aTarget, const PRUnichar *aDisplayName,
nsIMIMEInfo *aMIMEInfo, PRInt64 startTime, nsIWebBrowserPersist *aPersist)
{
PRBool addToView = PR_TRUE;
if (mEmbedPersist)
{
EmbedPersistFlags flags;
ephy_embed_persist_get_flags (EPHY_EMBED_PERSIST (mEmbedPersist), &flags);
addToView = !(flags & EMBED_PERSIST_NO_VIEW);
}
mSource = aSource;
mDestination = aTarget;
mStartTime = startTime;
mPercentComplete = 0;
mInterval = 4000; // in ms
mLastUpdate = mStartTime;
if (aPersist)
{
mWebPersist = aPersist;
aPersist->SetProgressListener(this);
}
if (addToView)
{
DownloaderView *dview;
dview = EPHY_DOWNLOADER_VIEW (ephy_embed_shell_get_downloader_view
(embed_shell));
mEphyDownload = mozilla_download_new ();
MOZILLA_DOWNLOAD (mEphyDownload)->moz_download = this;
downloader_view_add_download (dview, mEphyDownload);
}
else
{
mEphyDownload = nsnull;
}
return NS_OK;
}
/* readonly attribute nsIURI source; */
NS_IMETHODIMP
MozDownload::GetSource(nsIURI * *aSource)
{
NS_ENSURE_ARG_POINTER(aSource);
NS_IF_ADDREF(*aSource = mSource);
return NS_OK;
}
/* readonly attribute nsILocalFile target; */
NS_IMETHODIMP
MozDownload::GetTarget(nsILocalFile * *aTarget)
{
NS_ENSURE_ARG_POINTER(aTarget);
NS_IF_ADDREF(*aTarget = mDestination);
return NS_OK;
}
/* readonly attribute nsIWebBrowserPersist persist; */
NS_IMETHODIMP
MozDownload::GetPersist(nsIWebBrowserPersist * *aPersist)
{
NS_ENSURE_ARG_POINTER(aPersist);
NS_IF_ADDREF(*aPersist = mWebPersist);
return NS_OK;
}
/* readonly attribute PRInt32 percentComplete; */
NS_IMETHODIMP
MozDownload::GetPercentComplete(PRInt32 *aPercentComplete)
{
NS_ENSURE_ARG_POINTER(aPercentComplete);
*aPercentComplete = mPercentComplete;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetTotalProgress(PRInt32 *aTotalProgress)
{
NS_ENSURE_ARG_POINTER(aTotalProgress);
*aTotalProgress = mTotalProgress;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetCurrentProgress(PRInt32 *aCurrentProgress)
{
NS_ENSURE_ARG_POINTER(aCurrentProgress);
*aCurrentProgress = mCurrentProgress;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetState(EphyDownloadState *aDownloadState)
{
NS_ENSURE_ARG_POINTER(aDownloadState);
*aDownloadState = mDownloadState;
return NS_OK;
}
/* attribute wstring displayName; */
NS_IMETHODIMP
MozDownload::GetDisplayName(PRUnichar * *aDisplayName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
MozDownload::SetDisplayName(const PRUnichar * aDisplayName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* readonly attribute long long startTime; */
NS_IMETHODIMP
MozDownload::GetStartTime(PRInt64 *aStartTime)
{
NS_ENSURE_ARG_POINTER(aStartTime);
*aStartTime = mStartTime;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetElapsedTime(PRInt64 *aElapsedTime)
{
NS_ENSURE_ARG_POINTER(aElapsedTime);
*aElapsedTime = PR_Now() - mStartTime;
return NS_OK;
}
/* readonly attribute nsIMIMEInfo MIMEInfo; */
NS_IMETHODIMP
MozDownload::GetMIMEInfo(nsIMIMEInfo * *aMIMEInfo)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute nsIWebProgressListener listener; */
NS_IMETHODIMP
MozDownload::GetListener(nsIWebProgressListener * *aListener)
{
NS_ENSURE_ARG_POINTER(aListener);
NS_IF_ADDREF(*aListener = (nsIWebProgressListener *)this);
return NS_OK;
}
NS_IMETHODIMP
MozDownload::SetListener(nsIWebProgressListener * aListener)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute nsIObserver observer; */
NS_IMETHODIMP
MozDownload::GetObserver(nsIObserver * *aObserver)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
MozDownload::SetObserver(nsIObserver * aObserver)
{
if (aObserver)
aObserver->QueryInterface(NS_GET_IID(nsIHelperAppLauncher), getter_AddRefs(mHelperAppLauncher));
return NS_OK;
}
/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long aStateFlags, in nsresult aStatus); */
NS_IMETHODIMP
MozDownload::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest,
PRUint32 aStateFlags, nsresult aStatus)
{
// For a file download via the external helper app service, we will never get a start
// notification. The helper app service has gotten that notification before it created us.
if (!mGotFirstStateChange) {
mIsNetworkTransfer = ((aStateFlags & STATE_IS_NETWORK) != 0);
mGotFirstStateChange = PR_TRUE;
}
if (NS_FAILED(aStatus) && NS_SUCCEEDED(mStatus))
mStatus = aStatus;
// We will get this even in the event of a cancel,
if ((aStateFlags & STATE_STOP) && (!mIsNetworkTransfer || (aStateFlags & STATE_IS_NETWORK))) {
/* Keep us alive */
nsCOMPtr<nsIDownload> kungFuDeathGrip(this);
mDownloadState = NS_SUCCEEDED (aStatus) ? EPHY_DOWNLOAD_COMPLETED : EPHY_DOWNLOAD_FAILED;
if (mEphyDownload)
{
g_signal_emit_by_name (mEphyDownload, "changed");
}
if (mWebPersist)
{
mWebPersist->SetProgressListener(nsnull);
mWebPersist = nsnull;
}
mHelperAppLauncher = nsnull;
if (mEmbedPersist)
{
if (NS_SUCCEEDED (aStatus))
{
mozilla_embed_persist_completed (mEmbedPersist);
}
else
{
mozilla_embed_persist_cancelled (mEmbedPersist);
}
}
}
return NS_OK;
}
/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
NS_IMETHODIMP
MozDownload::OnProgressChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest,
PRInt32 aCurSelfProgress, PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress, PRInt32 aMaxTotalProgress)
{
PRInt64 now = PR_Now ();
if ((now - mLastUpdate < mInterval) &&
(aMaxTotalProgress != -1) &&
(aCurTotalProgress < aMaxTotalProgress))
return NS_OK;
mLastUpdate = now;
if (mUserCanceled) {
if (mHelperAppLauncher)
mHelperAppLauncher->Cancel();
else if (aRequest)
aRequest->Cancel(NS_BINDING_ABORTED);
mUserCanceled = false;
}
if (aMaxTotalProgress == -1)
mPercentComplete = -1;
else
mPercentComplete = (PRInt32)(((float)aCurTotalProgress / (float)aMaxTotalProgress) * 100.0 + 0.5);
mTotalProgress = aMaxTotalProgress;
mCurrentProgress = aCurTotalProgress;
if (mEphyDownload)
{
g_signal_emit_by_name (mEphyDownload, "changed");
}
return NS_OK;
}
/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
NS_IMETHODIMP
MozDownload::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
MozDownload::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
MozDownload::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 state)
{
return NS_OK;
}
void
MozDownload::Cancel()
{
mUserCanceled = true;
// nsWebBrowserPersist does the right thing: After canceling, next time through
// OnStateChange(), aStatus != NS_OK. This isn't the case with nsExternalHelperAppService.
if (!mWebPersist)
mStatus = NS_ERROR_ABORT;
}
void
MozDownload::Pause()
{
}
void
MozDownload::Resume()
{
}
