Updates filebrowser list when download starts/ends.

chrome/browser/dom_ui/filebrowse_ui.cc

 // Copyright (c) 2011 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/dom_ui/filebrowse_ui.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 108 matching lines @@
   virtual void RegisterMessages();
 
 #if defined(OS_CHROMEOS)
   void MountChanged(chromeos::MountLibrary* obj,
                     chromeos::MountEventType evt,
                     const std::string& path);
 #endif
 
   // DownloadItem::Observer interface
   virtual void OnDownloadUpdated(DownloadItem* download);
-  virtual void OnDownloadFileCompleted(DownloadItem* download) { }
+  virtual void OnDownloadFileCompleted(DownloadItem* download);
   virtual void OnDownloadOpened(DownloadItem* download) { }
 
   // DownloadManager::Observer interface
   virtual void ModelChanged();
 
   // Callback for the "getRoots" message.
   void HandleGetRoots(const ListValue* args);
 
   void GetChildrenForPath(FilePath& path, bool is_refresh);
 
@@ skipping 49 matching lines @@
   void HandleValidateSavePath(const ListValue* args);
 
   // Validate a save path on file thread.
   void ValidateSavePathOnFileThread(const FilePath& save_path);
 
   // Fire save path validation result to JS onValidatedSavePath.
   void FireOnValidatedSavePathOnUIThread(bool valid, const FilePath& save_path);
 
  private:
 
+  // Retrieves downloads from the DownloadManager and updates the page.
+  void UpdateDownloadList();
+
   void OpenNewWindow(const ListValue* args, bool popup);
 
   // Clear all download items and their observers.
   void ClearDownloadItems();
 
   // Send the current list of downloads to the page.
   void SendCurrentDownloads();
 
   void SendNewDownload(DownloadItem* download);
 
@@ skipping 685 matching lines @@
   info_value.SetString(kPropertyPath, currentpath_.value());
   dom_ui_->CallJavascriptFunction(L"browseFileResult",
                                   info_value, *(filelist_value_.get()));
   SendCurrentDownloads();
 }
 
 void FilebrowseHandler::HandleGetMetadata(const ListValue* args) {
 }
 
 void FilebrowseHandler::HandleGetDownloads(const ListValue* args) {
-  ModelChanged();
+  UpdateDownloadList();
 }
 
 void FilebrowseHandler::ModelChanged() {
+  if (!currentpath_.empty())
+    GetChildrenForPath(currentpath_, true);
+  else
+    UpdateDownloadList();
+}
+
+void FilebrowseHandler::UpdateDownloadList() {
   ClearDownloadItems();
 
   std::vector<DownloadItem*> downloads;
   download_manager_->GetAllDownloads(FilePath(), &downloads);
 
   std::vector<DownloadItem*> new_downloads;
   // Scan for any in progress downloads and add ourself to them as an observer.
   for (DownloadList::iterator it = downloads.begin();
        it != downloads.end(); ++it) {
     DownloadItem* download = *it;
@@ skipping 188 matching lines @@
   ListValue results_value;
   for (DownloadList::iterator it = active_download_items_.begin();
       it != active_download_items_.end(); ++it) {
     int index = static_cast<int>(it - active_download_items_.begin());
     results_value.Append(download_util::CreateDownloadItemValue(*it, index));
   }
 
   dom_ui_->CallJavascriptFunction(L"downloadsList", results_value);
 }
 
+void FilebrowseHandler::OnDownloadFileCompleted(DownloadItem* download) {
+  GetChildrenForPath(currentpath_, true);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 //
 // FileBrowseUI
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 FileBrowseUI::FileBrowseUI(TabContents* contents) : HtmlDialogUI(contents) {
   FilebrowseHandler* handler = new FilebrowseHandler();
   AddMessageHandler((handler)->Attach(this));
   handler->Init();
@@ skipping 78 matching lines @@
     }
   }
 
   return NULL;
 }
 
 const int FileBrowseUI::kPopupWidth = 250;
 const int FileBrowseUI::kPopupHeight = 300;
 const int FileBrowseUI::kSmallPopupWidth = 250;
 const int FileBrowseUI::kSmallPopupHeight = 50;