Merge new-downloader branch. We reworked the backend, the user

interface is still incomplete.

1 files changed, 377 insertions, 0 deletions

diff --git a/embed/mozilla/MozDownload.cpp b/embed/mozilla/MozDownload.cpp
new file mode 100644
index 000000000..ce8a2254d
--- /dev/null
+++ b/embed/mozilla/MozDownload.cpp
@@ -0,0 +1,377 @@
+/* -*- 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()
+{
+}