Drive: Mount/Unmount GoogleDrive on Files App when the file system is mounted/unmounted.

chrome/browser/chromeos/extensions/file_browser_event_router.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_EVENT_ROUTER_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_EVENT_ROUTER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 34 matching lines @@
   // CrosDisksClient events are being observed.
   void ObserveFileSystemEvents();
 
   // File watch setup routines.
   bool AddFileWatch(const FilePath& file_path,
                     const FilePath& virtual_path,
                     const std::string& extension_id);
   void RemoveFileWatch(const FilePath& file_path,
                        const std::string& extension_id);
 
+  // Mounts Drive on File browser. |callback| will be called after raising a
+  // mount request event to file manager on JS-side.
+  void MountDrive(const base::Closure& callback);
+
   // CrosDisksClient::Observer overrides.
   virtual void DiskChanged(chromeos::disks::DiskMountManagerEventType event,
                            const chromeos::disks::DiskMountManager::Disk* disk)
       OVERRIDE;
   virtual void DeviceChanged(chromeos::disks::DiskMountManagerEventType event,
                              const std::string& device_path) OVERRIDE;
   virtual void MountCompleted(
       chromeos::disks::DiskMountManager::MountEvent event_type,
       chromeos::MountError error_code,
       const chromeos::disks::DiskMountManager::MountPointInfo& mount_info)
@@ skipping 10 matching lines @@
 
   // GDataOperationRegistry::Observer overrides.
   virtual void OnProgressUpdate(
       const std::vector<gdata::GDataOperationRegistry::ProgressStatus>& list)
           OVERRIDE;
   virtual void OnAuthenticationFailed() OVERRIDE;
 
   // gdata::GDataFileSystemInterface::Observer overrides.
   virtual void OnDirectoryChanged(const FilePath& directory_path) OVERRIDE;
   virtual void OnDocumentFeedFetched(int num_accumulated_entries) OVERRIDE;
+  virtual void OnFileSystemMounted() OVERRIDE;
+  virtual void OnFileSystemUnmounting() OVERRIDE;
 
  private:
   friend class FileBrowserEventRouterFactory;
 
   // Helper class for passing through file watch notification events.
   class FileWatcherDelegate : public base::files::FilePathWatcher::Delegate {
    public:
     explicit FileWatcherDelegate(FileBrowserEventRouter* router);
 
    protected:
@@ skipping 84 matching lines @@
   // Returns the GDataFileSystem for the current profile.
   gdata::GDataFileSystemInterface* GetRemoteFileSystem() const;
 
   // Handles requests to start and stop periodic updates on remote file system.
   // When |start| is set to true, this function starts periodic updates only if
   // it is not yet started; when |start| is set to false, this function stops
   // periodic updates only if the number of outstanding update requests reaches
   // zero.
   void HandleRemoteUpdateRequestOnUIThread(bool start);
 
+  // Used to implement MountDrive(). Called after the authentication.
+  void OnDriveAuthentication(const base::Closure& callback,
+                             gdata::GDataErrorCode error,
+                             const std::string& tokeni);
+
   scoped_refptr<FileWatcherDelegate> delegate_;
   WatcherMap file_watchers_;
   scoped_ptr<FileBrowserNotifications> notifications_;
   scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
   Profile* profile_;
   base::Lock lock_;
 
   bool current_gdata_operation_failed_;
   int last_active_gdata_operation_count_;
 
@@ skipping 24 matching lines @@
 
   FileBrowserEventRouterFactory();
   virtual ~FileBrowserEventRouterFactory();
 
   // ProfileKeyedServiceFactory:
   virtual scoped_refptr<RefcountedProfileKeyedService> BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_EVENT_ROUTER_H_