GData save package support with MHTML.

chrome/browser/chromeos/gdata/gdata_download_observer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/gdata/gdata_download_observer.h"
 
+#include "base/file_util.h"
 #include "chrome/browser/chromeos/gdata/gdata_uploader.h"
 #include "chrome/browser/chromeos/gdata/gdata_upload_file_info.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "net/base/net_util.h"
 
 using content::BrowserThread;
 using content::DownloadManager;
 using content::DownloadItem;
 
 namespace gdata {
@@ skipping 129 matching lines @@
   // count of received bytes and the size of the download as given by the
   // Content-Length header.
   int64 total = (download->AllDataSaved() ? download->GetReceivedBytes() :
                                             download->GetTotalBytes());
   DCHECK(total <= 0 || complete < total);
   if (total > 0)
     return static_cast<int>((complete * 100.0) / total);
   return -1;
 }
 
+// |gdata_tmp_download_path| is set to a temporary local download path in
+// ~/GCache/v1/tmp/downloads/
+// static
+void GDataDownloadObserver::GetGDataTempDownloadPath(
+    const FilePath& gdata_tmp_download_dir,
+    FilePath* gdata_tmp_download_path) {
+  bool created = file_util::CreateDirectory(gdata_tmp_download_dir);
+  DCHECK(created) << "Can not create temp download directory at "
+                  << gdata_tmp_download_dir.value();
+  created = file_util::CreateTemporaryFileInDir(gdata_tmp_download_dir,
+                                                gdata_tmp_download_path);
+  DCHECK(created) << "Temporary download file creation failed";
+}
+
 void GDataDownloadObserver::ManagerGoingDown(
     DownloadManager* download_manager) {
   download_manager->RemoveObserver(this);
   download_manager_ = NULL;
 }
 
 void GDataDownloadObserver::ModelChanged(DownloadManager* download_manager) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   DownloadManager::DownloadVector downloads;
@@ skipping 143 matching lines @@
     return;
   DVLOG(1) << "Completing upload for download ID " << download_id;
   DownloadItem* download = iter->second;
   UploadingExternalData* upload_data = GetUploadingExternalData(download);
   DCHECK(upload_data);
   upload_data->MarkAsComplete();
   download->MaybeCompleteDownload();
 }
 
 }  // namespace gdata