Get web application list using Drive V2 API.

chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.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_wapi_feed_loader.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/json/json_reader.h"
@@ skipping 221 matching lines @@
   // First fetch the latest changestamp to see if there were any new changes
   // there at all.
   if (gdata::util::IsDriveV2ApiEnabled()) {
     documents_service_->GetAboutResource(
         base::Bind(&GDataWapiFeedLoader::OnGetAboutResource,
                    weak_ptr_factory_.GetWeakPtr(),
                    initial_origin,
                    local_changestamp,
                    search_file_path,
                    callback));
+    // Drive v2 needs a separate application list fetch operation.
+    // TODO(kochi): Application list rarely changes and do not necessarily
+    // refresed as often as files.
+    documents_service_->GetApplicationList(
+        base::Bind(&GDataWapiFeedLoader::OnGetApplicationList,
+                   weak_ptr_factory_.GetWeakPtr()));
     return;
   }
 
   documents_service_->GetAccountMetadata(
       base::Bind(&GDataWapiFeedLoader::OnGetAccountMetadata,
                  weak_ptr_factory_.GetWeakPtr(),
                  initial_origin,
                  local_changestamp,
                  search_file_path,
                  callback));
@@ skipping 171 matching lines @@
                  true,  /* should_fetch_multiple_feeds */
                  search_file_path,
                  std::string() /* no search query */,
                  GURL(), /* feed not explicitly set */
                  std::string() /* no directory resource ID */,
                  callback,
                  base::Bind(&GDataWapiFeedLoader::OnFeedFromServerLoaded,
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
+void GDataWapiFeedLoader::OnGetApplicationList(
+    GDataErrorCode status,
+    scoped_ptr<base::Value> json) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  GDataFileError error = util::GDataToGDataFileError(status);
+  if (error != GDATA_FILE_OK)
+    return;
+
+  if (json.get()) {
+    scoped_ptr<AppList> applist(AppList::CreateFrom(*json));
+    if (applist.get()) {
+      VLOG(1) << "applist get success";
+      webapps_registry_->UpdateFromApplicationList(applist.get());
+    }
+  }
+}
+
 // TODO(kochi): Fix too many parameters.  http://crbug.com/141359
 void GDataWapiFeedLoader::LoadFromServer(
     ContentOrigin initial_origin,
     int64 start_changestamp,
     int64 root_feed_changestamp,
     bool should_fetch_multiple_feeds,
     const FilePath& search_file_path,
     const std::string& search_query,
     const GURL& feed_to_load,
     const std::string& directory_resource_id,
@@ skipping 363 matching lines @@
         dir_iter != changed_dirs.end(); ++dir_iter) {
       FOR_EACH_OBSERVER(Observer, observers_,
                         OnDirectoryChanged(*dir_iter));
     }
   }
 
   return error;
 }
 
 }  // namespace gdata