/* -*- 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>
*
* Adapted for epiphany by Marco Pesenti Gritti <marco@gnome.org>
*
* 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 *****
*
* $Id$
*/
#include "mozilla-config.h"
#include "config.h"
#include "mozilla-download.h"
#include "eel-gconf-extensions.h"
#include "ephy-prefs.h"
#include "ephy-file-helpers.h"
#include "ephy-debug.h"
#include "MozDownload.h"
#include "EphyUtils.h"
#include <glib/gi18n.h>
#include <nsIIOService.h>
#include <nsIURI.h>
#include <nsIDOMDocument.h>
#include <nsILocalFile.h>
#include <nsIWebBrowserPersist.h>
#include <nsIObserver.h>
#include <nsIRequest.h>
#include <nsIFileURL.h>
#undef MOZILLA_INTERNAL_API
#include <nsEmbedString.h>
#define MOZILLA_INTERNAL_API 1
#include <nsMemory.h>
#include <nsNetError.h>
#include <stdlib.h>
#ifdef HAVE_GECKO_1_8
#include "EphyBadCertRejector.h"
#endif
const char* const persistContractID = "@mozilla.org/embedding/browser/nsWebBrowserPersist;1";
MozDownload::MozDownload() :
mTotalProgress(-1),
mCurrentProgress(0),
mMaxSize(-1),
mStatus(NS_OK),
mEmbedPersist(nsnull),
mDownloadState(EPHY_DOWNLOAD_INITIALISING)
{
LOG ("MozDownload ctor (%p)", (void *) this);
}
MozDownload::~MozDownload()
{
LOG ("MozDownload dtor (%p)", (void *) this);
NS_ASSERTION (!mEphyDownload, "MozillaDownload still alive!");
}
#ifdef HAVE_GECKO_1_8
NS_IMPL_ISUPPORTS4 (MozDownload,
nsIWebProgressListener,
nsIWebProgressListener2,
nsITransfer,
nsIInterfaceRequestor)
#else
NS_IMPL_ISUPPORTS3 (MozDownload,
nsIWebProgressListener,
nsIDownload,
nsITransfer)
#endif
#ifdef HAVE_GECKO_1_8
nsresult
MozDownload::InitForEmbed (nsIURI *aSource, nsIURI *aTarget, const nsAString &aDisplayName,
nsIMIMEInfo *aMIMEInfo, PRTime aStartTime, nsILocalFile *aTempFile,
nsICancelable *aCancelable, MozillaEmbedPersist *aEmbedPersist,
PRInt64 aMaxSize)
{
mEmbedPersist = aEmbedPersist;
mMaxSize = aMaxSize;
return Init (aSource, aTarget, aDisplayName, aMIMEInfo, aStartTime, aTempFile, aCancelable);
}
#else
nsresult
MozDownload::InitForEmbed (nsIURI *aSource, nsIURI *aTarget, const PRUnichar *aDisplayName,
nsIMIMEInfo *aMIMEInfo, PRInt64 startTime, nsIWebBrowserPersist *aPersist,
MozillaEmbedPersist *aEmbedPersist, PRInt64 aMaxSize)
{
mEmbedPersist = aEmbedPersist;
mMaxSize = aMaxSize;
return Init (aSource, aTarget, aDisplayName, aMIMEInfo, startTime, aPersist);
}
#endif
#ifdef HAVE_GECKO_1_8
/* void init (in nsIURI aSource, in nsIURI aTarget, in AString aDisplayName, in nsIMIMEInfo aMIMEInfo, in PRTime startTime, in nsILocalFile aTempFile, in nsICancelable aCancelable); */
NS_IMETHODIMP
MozDownload::Init (nsIURI *aSource,
nsIURI *aTarget,
const nsAString &aDisplayName,
nsIMIMEInfo *aMIMEInfo,
PRTime aStartTime,
nsILocalFile *aTempFile,
nsICancelable *aCancelable)
#else
/* void init (in nsIURI aSource, in nsIURI aTarget, in wstring aDisplayName, in nsIMIMEInfo aMIMEInfo, in long long startTime, in nsIWebBrowserPersist aPersist); */
NS_IMETHODIMP
MozDownload::Init (nsIURI *aSource,
nsIURI *aTarget,
const PRUnichar *aDisplayName,
nsIMIMEInfo *aMIMEInfo,
PRInt64 aStartTime,
nsIWebBrowserPersist *aPersist)
#endif
{
PRBool addToView = PR_TRUE;
if (mEmbedPersist)
{
EphyEmbedPersistFlags flags;
flags = ephy_embed_persist_get_flags (EPHY_EMBED_PERSIST (mEmbedPersist));
addToView = !(flags & EPHY_EMBED_PERSIST_NO_VIEW);
}
mSource = aSource;
mDestination = aTarget;
mStartTime = aStartTime;
mTotalProgress = 0;
mCurrentProgress = 0;
mPercentComplete = 0;
mInterval = 200000; /* microsec */
mLastUpdate = mStartTime;
mMIMEInfo = aMIMEInfo;
#ifdef HAVE_GECKO_1_8
/* This will create a refcount cycle, which needs to be broken in ::OnStateChange */
mCancelable = aCancelable;
#else
if (aPersist)
{
mWebPersist = aPersist;
aPersist->SetProgressListener(this);
}
#endif
if (addToView)
{
DownloaderView *dview;
dview = EPHY_DOWNLOADER_VIEW
(ephy_embed_shell_get_downloader_view (embed_shell));
mEphyDownload = mozilla_download_new (this);
g_object_add_weak_pointer (G_OBJECT (mEphyDownload),
(gpointer *) &mEphyDownload);
downloader_view_add_download (dview, mEphyDownload);
g_object_unref (mEphyDownload);
}
else
{
mEphyDownload = nsnull;
}
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetSource(nsIURI **aSource)
{
NS_ENSURE_ARG_POINTER(aSource);
NS_IF_ADDREF(*aSource = mSource);
return NS_OK;
}
#ifndef HAVE_GECKO_1_8
NS_IMETHODIMP
MozDownload::GetTarget(nsIURI **aTarget)
{
NS_ENSURE_ARG_POINTER(aTarget);
NS_IF_ADDREF(*aTarget = mDestination);
return NS_OK;
}
#endif
NS_IMETHODIMP
MozDownload::GetTargetFile (nsILocalFile** aTargetFile)
{
nsresult rv;
nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(mDestination, &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIFile> file;
rv = fileURL->GetFile(getter_AddRefs(file));
if (NS_SUCCEEDED(rv))
rv = CallQueryInterface(file, aTargetFile);
return rv;
}
#ifndef HAVE_GECKO_1_8
NS_IMETHODIMP
MozDownload::GetPersist(nsIWebBrowserPersist **aPersist)
{
NS_ENSURE_ARG_POINTER(aPersist);
NS_IF_ADDREF(*aPersist = mWebPersist);
return NS_OK;
}
#endif
NS_IMETHODIMP
MozDownload::GetPercentComplete(PRInt32 *aPercentComplete)
{
NS_ENSURE_ARG_POINTER(aPercentComplete);
*aPercentComplete = mPercentComplete;
return NS_OK;
}
#ifndef HAVE_GECKO_1_8
NS_IMETHODIMP
MozDownload::GetStartTime(PRInt64 *aStartTime)
{
NS_ENSURE_ARG_POINTER(aStartTime);
*aStartTime = mStartTime;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetDisplayName(PRUnichar * *aDisplayName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
MozDownload::SetDisplayName(const PRUnichar * aDisplayName)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif /* !HAVE_GECKO_1_8 */
NS_IMETHODIMP
MozDownload::GetTotalProgress(PRInt64 *aTotalProgress)
{
NS_ENSURE_ARG_POINTER(aTotalProgress);
*aTotalProgress = mTotalProgress;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetCurrentProgress(PRInt64 *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;
}
NS_IMETHODIMP
MozDownload::GetElapsedTime(PRInt64 *aElapsedTime)
{
NS_ENSURE_ARG_POINTER(aElapsedTime);
*aElapsedTime = PR_Now() - mStartTime;
return NS_OK;
}
NS_IMETHODIMP
MozDownload::GetMIMEInfo(nsIMIMEInfo **aMIMEInfo)
{
NS_ENSURE_ARG_POINTER(aMIMEInfo);
NS_IF_ADDREF(*aMIMEInfo = mMIMEInfo);
return NS_OK;
}
#ifndef HAVE_GECKO_1_8
NS_IMETHODIMP
MozDownload::GetListener(nsIWebProgressListener **aListener)
{
NS_ENSURE_ARG_POINTER(aListener);
return CallQueryInterface (this, aListener);
}
NS_IMETHODIMP
MozDownload::SetListener(nsIWebProgressListener *aListener)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
MozDownload::GetObserver(nsIObserver **aObserver)
{
*aObserver = mObserver;
NS_IF_ADDREF (*aObserver);
return NS_OK;
}
NS_IMETHODIMP
MozDownload::SetObserver(nsIObserver *aObserver)
{
mObserver = aObserver;
return NS_OK;
}
#endif
NS_IMETHODIMP
MozDownload::OnStateChange (nsIWebProgress *aWebProgress, nsIRequest *aRequest,
PRUint32 aStateFlags, nsresult aStatus)
{
nsresult rv;
if (NS_FAILED(aStatus) && NS_SUCCEEDED(mStatus))
mStatus = aStatus;
if (aStateFlags & STATE_START)
{
mDownloadState = EPHY_DOWNLOAD_DOWNLOADING;
if (mEphyDownload)
{
g_signal_emit_by_name (mEphyDownload, "changed");
}
}
/* We will get this even in the event of a cancel */
/* Due to a mozilla bug [https://bugzilla.mozilla.org/show_bug.cgi?id=304353],
* we'll only get STATE_STOP if we're driven from external app handler; elsewhere
* we get STATE_STOP | STATE_IS_NETWORK | STATE_IS_REQUEST. So check first if
* STATE_IS_REQUEST is set.
*/
/* Be careful that download is only completed when STATE_IS_NETWORK is set
* and many lonely STOP events may be triggered before.
*/
#ifdef GNOME_ENABLE_DEBUG
{
nsEmbedCString spec;
if (mSource) mSource->GetSpec(spec);
LOG ("url %s, status %x, state %x (is-stop:%s, is-network:%s, is-request:%s)",
spec.get(), aStatus, aStateFlags,
aStateFlags & STATE_STOP ? "t" : "f",
aStateFlags & STATE_IS_NETWORK ? "t" : "f",
aStateFlags & STATE_IS_REQUEST ? "t" : "f");
}
#endif
if (((aStateFlags & STATE_IS_REQUEST) &&
(aStateFlags & STATE_IS_NETWORK) &&
(aStateFlags & STATE_STOP)) ||
aStateFlags == STATE_STOP)
{
LOG ("STATE_STOP");
/* Keep us alive */
nsCOMPtr<nsITransfer> kungFuDeathGrip(this);
mDownloadState = NS_SUCCEEDED (aStatus) ? EPHY_DOWNLOAD_COMPLETED : EPHY_DOWNLOAD_FAILED;
if (mEphyDownload)
{
g_signal_emit_by_name (mEphyDownload, "changed");
}
#ifdef HAVE_GECKO_1_8
/* break refcount cycle */
mCancelable = nsnull;
#else
if (mWebPersist)
{
mWebPersist->SetProgressListener(nsnull);
mWebPersist = nsnull;
}
#endif
if (mEmbedPersist)
{
if (NS_SUCCEEDED (aStatus))
{
mozilla_embed_persist_completed (mEmbedPersist);
}
else
{
mozilla_embed_persist_cancelled (mEmbedPersist);
}
}
else if (NS_SUCCEEDED (aStatus))
{
GnomeVFSMimeApplication *helperApp;
nsEmbedCString mimeType;
#ifdef HAVE_GECKO_1_8
rv = mMIMEInfo->GetMIMEType (mimeType);
NS_ENSURE_SUCCESS (rv, NS_ERROR_FAILURE);
nsEmbedString description;
mMIMEInfo->GetApplicationDescription (description);
nsEmbedCString cDesc;
NS_UTF16ToCString (description, NS_CSTRING_ENCODING_UTF8, cDesc);
#else
char *mime = nsnull;
rv = mMIMEInfo->GetMIMEType (&mime);
NS_ENSURE_SUCCESS (rv, NS_ERROR_FAILURE);
if (mime)
{
mimeType.Assign (mime);
nsMemory::Free (mime);
}
PRUnichar *description;
mMIMEInfo->GetApplicationDescription (&description);
NS_ENSURE_TRUE (description, NS_ERROR_FAILURE);
nsEmbedCString cDesc;
NS_UTF16ToCString (nsEmbedString(description),
NS_CSTRING_ENCODING_UTF8, cDesc);
nsMemory::Free (description);
#endif
/* HACK we use the application description to decide
if we have to open the saved file */
if (g_str_has_prefix (cDesc.get(), "gnome-default:"))
{
/* Format gnome-default:<usertime>:<helperapp id> */
char **str = g_strsplit (cDesc.get(), ":", -1);
g_return_val_if_fail (g_strv_length (str) == 3, NS_ERROR_FAILURE);
char *end;
guint32 user_time = strtoul (str[1], &end, 0);
helperApp = gnome_vfs_mime_application_new_from_desktop_id (str[2]);
if (!helperApp) return NS_ERROR_FAILURE;
nsEmbedCString aDest;
rv = mDestination->GetSpec (aDest);
NS_ENSURE_SUCCESS (rv, NS_ERROR_FAILURE);
ephy_file_launch_application (helperApp, aDest.get (), user_time);
gnome_vfs_mime_application_free (helperApp);
g_strfreev (str);
}
}
}
return NS_OK;
}
#ifdef HAVE_GECKO_1_8
NS_IMETHODIMP
MozDownload::OnProgressChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRInt32 aCurSelfProgress,
PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress,
PRInt32 aMaxTotalProgress)
{
return OnProgressChange64 (aWebProgress, aRequest,
aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress);
}
/* void onProgressChange64 (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long long aCurSelfProgress, in long long aMaxSelfProgress, in long long aCurTotalProgress,
in long long aMaxTotalProgress); */
NS_IMETHODIMP
MozDownload::OnProgressChange64 (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRInt64 aCurSelfProgress,
PRInt64 aMaxSelfProgress,
PRInt64 aCurTotalProgress,
PRInt64 aMaxTotalProgress)
#else /* !HAVE_GECKO_1_8 */
NS_IMETHODIMP
MozDownload::OnProgressChange (nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRInt32 aCurSelfProgress,
PRInt32 aMaxSelfProgress,
PRInt32 aCurTotalProgress,
PRInt32 aMaxTotalProgress)
#endif /* HAVE_GECKO_1_8 */
{
if (mMaxSize >= 0 &&
((aMaxTotalProgress > 0 && mMaxSize < aMaxTotalProgress) ||
mMaxSize < aCurTotalProgress))
{
Cancel ();
}
if (!mRequest)
mRequest = aRequest;
PRInt64 now = PR_Now ();
if ((now - mLastUpdate < mInterval) &&
(aMaxTotalProgress != -1) &&
(aCurTotalProgress < aMaxTotalProgress))
return NS_OK;
mLastUpdate = now;
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;
}
NS_IMETHODIMP
MozDownload::OnLocationChange (nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsIURI *location)
{
return NS_OK;
}
NS_IMETHODIMP
MozDownload::OnStatusChange (nsIWebProgress *aWebProgress, nsIRequest *aRequest,
nsresult aStatus, const PRUnichar *aMessage)
{
return NS_OK;
}
NS_IMETHODIMP
MozDownload::OnSecurityChange (nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 state)
{
return NS_OK;
}
#ifdef HAVE_GECKO_1_8
/* void getInterface (in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
NS_IMETHODIMP
MozDownload::GetInterface(const nsIID & uuid, void * *result)
{
if (uuid.Equals (NS_GET_IID (nsIBadCertListener)) &&
mEmbedPersist)
{
EphyEmbedPersistFlags flags;
g_object_get (mEmbedPersist, "flags", &flags, NULL);
if (flags & EPHY_EMBED_PERSIST_NO_CERTDIALOGS)
{
nsIBadCertListener *badCertRejector = new EphyBadCertRejector ();
if (!badCertRejector) return NS_ERROR_OUT_OF_MEMORY;
*result = badCertRejector;
NS_ADDREF (badCertRejector);
return NS_OK;
}
}
return NS_ERROR_NO_INTERFACE;
}
#endif /* HAVE_GECKO_1_8 */
void
MozDownload::Cancel()
{
if (mDownloadState != EPHY_DOWNLOAD_DOWNLOADING &&
mDownloadState != EPHY_DOWNLOAD_PAUSED)
{
return;
}
#ifdef HAVE_GECKO_1_8
if (mCancelable)
{
/* FIXME: error code? */
mCancelable->Cancel (NS_BINDING_ABORTED);
}
#else
if (mWebPersist)
{
mWebPersist->CancelSave ();
}
if (mObserver)
{
mObserver->Observe (nsnull, "oncancel", nsnull);
}
#endif
}
void
MozDownload::Pause()
{
if (mRequest)
{
mRequest->Suspend ();
mDownloadState = EPHY_DOWNLOAD_PAUSED;
}
}
void
MozDownload::Resume()
{
if (mRequest)
{
mRequest->Resume ();
mDownloadState = EPHY_DOWNLOAD_DOWNLOADING;
}
}
nsresult InitiateMozillaDownload (nsIDOMDocument *domDocument, nsIURI *sourceURI,
nsILocalFile* inDestFile, const char *contentType,
nsIURI* inOriginalURI, MozillaEmbedPersist *embedPersist,
nsIInputStream *postData, nsISupports *aCacheKey,
PRInt64 aMaxSize)
{
nsresult rv = NS_OK;
EphyEmbedPersistFlags ephy_flags;
ephy_flags = ephy_embed_persist_get_flags (EPHY_EMBED_PERSIST (embedPersist));
PRBool isHTML = (contentType &&
(strcmp (contentType, "text/html") == 0 ||
strcmp (contentType, "text/xml") == 0 ||
strcmp (contentType, "application/xhtml+xml") == 0));
nsCOMPtr<nsIWebBrowserPersist> webPersist (do_CreateInstance(persistContractID, &rv));
NS_ENSURE_SUCCESS (rv, rv);
PRInt64 timeNow = PR_Now();
nsEmbedString fileDisplayName;
inDestFile->GetLeafName(fileDisplayName);
nsCOMPtr<nsIIOService> ioService;
rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
NS_ENSURE_SUCCESS (rv, rv);
nsCOMPtr<nsIURI> destURI;
ioService->NewFileURI (inDestFile, getter_AddRefs(destURI));
MozDownload *downloader = new MozDownload ();
/* dlListener attaches to its progress dialog here, which gains ownership */
/* FIXME is that still true? */
#ifdef HAVE_GECKO_1_8
rv = downloader->InitForEmbed (inOriginalURI, destURI, fileDisplayName,
nsnull, timeNow, nsnull, webPersist, embedPersist, aMaxSize);
NS_ENSURE_SUCCESS (rv, rv);
rv = webPersist->SetProgressListener (downloader);
#else
rv = downloader->InitForEmbed (inOriginalURI, destURI, fileDisplayName.get(),
nsnull, timeNow, webPersist, embedPersist, aMaxSize);
#endif
NS_ENSURE_SUCCESS (rv, rv);
PRInt32 flags = nsIWebBrowserPersist::PERSIST_FLAGS_REPLACE_EXISTING_FILES;
if (!domDocument && !isHTML && !(ephy_flags & EPHY_EMBED_PERSIST_COPY_PAGE) &&
!(ephy_flags & EPHY_EMBED_PERSIST_DO_CONVERSION))
{
flags |= nsIWebBrowserPersist::PERSIST_FLAGS_NO_CONVERSION;
}
if (ephy_flags & EPHY_EMBED_PERSIST_COPY_PAGE)
{
flags |= nsIWebBrowserPersist::PERSIST_FLAGS_FROM_CACHE;
}
webPersist->SetPersistFlags(flags);
if (!domDocument || !isHTML || ephy_flags & EPHY_EMBED_PERSIST_COPY_PAGE)
{
rv = webPersist->SaveURI (sourceURI, aCacheKey, nsnull,
postData, nsnull, inDestFile);
}
else
{
PRInt32 encodingFlags = 0;
nsCOMPtr<nsILocalFile> filesFolder;
/**
* Construct a directory path to hold the associated files; mozilla
* will create the directory as needed.
*/
nsEmbedCString cPath;
inDestFile->GetNativePath (cPath);
GString *path = g_string_new (cPath.get());
char *dot_pos = strchr (path->str, '.');
if (dot_pos)
{
g_string_truncate (path, dot_pos - path->str);
}
g_string_append (path, " ");
g_string_append (path, _("Files"));
filesFolder = do_CreateInstance ("@mozilla.org/file/local;1");
filesFolder->InitWithNativePath (nsEmbedCString(path->str));
g_string_free (path, TRUE);
rv = webPersist->SaveDocument (domDocument, inDestFile, filesFolder,
contentType, encodingFlags, 80);
}
return rv;
}
static char*
GetFilePath (const char *filename)
{
const char *home_dir;
char *download_dir, *path;
download_dir = ephy_file_get_downloads_dir ();
if (ephy_ensure_dir_exists (download_dir))
{
path = g_build_filename (download_dir, filename, NULL);
}
else
{
home_dir = g_get_home_dir ();
path = g_build_filename (home_dir ? home_dir : "/", filename, NULL);
}
g_free (download_dir);
return path;
}
static const char*
file_is_compressed (const char *filename)
{
int i;
static const char * const compression[] = {".gz", ".bz2", ".Z", ".lz", NULL};
for (i = 0; compression[i] != NULL; i++)
{
if (g_str_has_suffix (filename, compression[i]))
return compression[i];
}
return NULL;
}
static const char*
parse_extension (const char *filename)
{
const char *compression;
compression = file_is_compressed (filename);
/* If the file is compressed we might have a double extension */
if (compression != NULL)
{
int i;
static const char * const extensions[] = {"tar", "ps", "xcf", "dvi", "txt", "text", NULL};
for (i = 0; extensions[i] != NULL; i++)
{
char *suffix;
suffix = g_strdup_printf (".%s%s", extensions[i],
compression);
if (g_str_has_suffix (filename, suffix))
{
char *p;
p = g_strrstr (filename, suffix);
g_free (suffix);
return p;
}
g_free (suffix);
}
}
/* default case */
return g_strrstr (filename, ".");
}
nsresult BuildDownloadPath (const char *defaultFileName, nsILocalFile **_retval)
{
char *path;
path = GetFilePath (defaultFileName);
if (g_file_test (path, G_FILE_TEST_EXISTS))
{
int i = 1;
const char *dot_pos;
char *serial = NULL;
GString *tmp_path;
gssize position;
dot_pos = parse_extension (defaultFileName);
if (dot_pos)
{
position = dot_pos - defaultFileName;
}
else
{
position = strlen (defaultFileName);
}
tmp_path = g_string_new (NULL);
do {
g_free (path);
g_string_assign (tmp_path, defaultFileName);
serial = g_strdup_printf ("(%d)", i++);
g_string_insert (tmp_path, position, serial);
g_free (serial);
path = GetFilePath (tmp_path->str);
} while (g_file_test (path, G_FILE_TEST_EXISTS));
g_string_free (tmp_path, TRUE);
}
nsCOMPtr <nsILocalFile> destFile (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
NS_ENSURE_TRUE (destFile, NS_ERROR_FAILURE);
destFile->InitWithNativePath (nsEmbedCString (path));
g_free (path);
NS_IF_ADDREF (*_retval = destFile);
return NS_OK;
}
