file_manager: Rename file_manager_event_router.h to event_router.h

chrome/browser/chromeos/extensions/file_manager/file_manager_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_MANAGER_FILE_MANAGER_EVENT_ROUTER_H_
-#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_MANAGER_EVENT_ROUTER_H_
-
-#include <map>
-#include <string>
-
-#include "base/files/file_path_watcher.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/chromeos/drive/drive_integration_service.h"
-#include "chrome/browser/chromeos/drive/file_system_observer.h"
-#include "chrome/browser/chromeos/drive/job_list.h"
-#include "chrome/browser/chromeos/extensions/file_manager/file_watcher_extensions.h"
-#include "chrome/browser/chromeos/net/connectivity_state_helper_observer.h"
-#include "chrome/browser/drive/drive_service_interface.h"
-#include "chromeos/disks/disk_mount_manager.h"
-
-class PrefChangeRegistrar;
-class Profile;
-
-namespace file_manager {
-
-class DesktopNotifications;
-class MountedDiskMonitor;
-
-// Monitors changes in disk mounts, network connection state and preferences
-// affecting File Manager. Dispatches appropriate File Browser events.
-class FileManagerEventRouter
-    : public chromeos::disks::DiskMountManager::Observer,
-      public chromeos::ConnectivityStateHelperObserver,
-      public drive::DriveIntegrationServiceObserver,
-      public drive::FileSystemObserver,
-      public drive::JobListObserver,
-      public drive::DriveServiceObserver {
- public:
-  explicit FileManagerEventRouter(Profile* profile);
-  virtual ~FileManagerEventRouter();
-
-  void Shutdown();
-
-  // Starts observing file system change events.
-  void ObserveFileSystemEvents();
-
-  typedef base::Callback<void(bool success)> BoolCallback;
-
-  // Adds a file watch at |local_path|, associated with |virtual_path|, for
-  // an extension with |extension_id|.
-  //
-  // |callback| will be called with true on success, or false on failure.
-  // |callback| must not be null.
-  void AddFileWatch(const base::FilePath& local_path,
-                    const base::FilePath& virtual_path,
-                    const std::string& extension_id,
-                    const BoolCallback& callback);
-
-  // Removes a file watch at |local_path| for an extension with |extension_id|.
-  void RemoveFileWatch(const base::FilePath& local_path,
-                       const std::string& extension_id);
-
-  // CrosDisksClient::Observer overrides.
-  virtual void OnDiskEvent(
-      chromeos::disks::DiskMountManager::DiskEvent event,
-      const chromeos::disks::DiskMountManager::Disk* disk) OVERRIDE;
-  virtual void OnDeviceEvent(
-      chromeos::disks::DiskMountManager::DeviceEvent event,
-      const std::string& device_path) OVERRIDE;
-  virtual void OnMountEvent(
-      chromeos::disks::DiskMountManager::MountEvent event,
-      chromeos::MountError error_code,
-      const chromeos::disks::DiskMountManager::MountPointInfo& mount_info)
-      OVERRIDE;
-  virtual void OnFormatEvent(
-      chromeos::disks::DiskMountManager::FormatEvent event,
-      chromeos::FormatError error_code,
-      const std::string& device_path) OVERRIDE;
-
-  // chromeos::ConnectivityStateHelperObserver override.
-  virtual void NetworkManagerChanged() OVERRIDE;
-  virtual void DefaultNetworkChanged() OVERRIDE;
-
-  // drive::JobListObserver overrides.
-  virtual void OnJobAdded(const drive::JobInfo& job_info) OVERRIDE;
-  virtual void OnJobUpdated(const drive::JobInfo& job_info) OVERRIDE;
-  virtual void OnJobDone(const drive::JobInfo& job_info,
-                         drive::FileError error) OVERRIDE;
-
-  // drive::DriveServiceObserver overrides.
-  virtual void OnRefreshTokenInvalid() OVERRIDE;
-
-  // drive::FileSystemObserver overrides.
-  virtual void OnDirectoryChanged(
-      const base::FilePath& directory_path) OVERRIDE;
-
-  // drive::DriveIntegrationServiceObserver overrides.
-  virtual void OnFileSystemMounted() OVERRIDE;
-  virtual void OnFileSystemBeingUnmounted() OVERRIDE;
-
- private:
-  typedef std::map<base::FilePath, FileWatcherExtensions*> WatcherMap;
-
-  // USB mount event handlers.
-  void OnDiskAdded(const chromeos::disks::DiskMountManager::Disk* disk);
-  void OnDiskRemoved(const chromeos::disks::DiskMountManager::Disk* disk);
-  void OnDiskMounted(const chromeos::disks::DiskMountManager::Disk* disk);
-  void OnDiskUnmounted(const chromeos::disks::DiskMountManager::Disk* disk);
-  void OnDeviceAdded(const std::string& device_path);
-  void OnDeviceRemoved(const std::string& device_path);
-  void OnDeviceScanned(const std::string& device_path);
-  void OnFormatStarted(const std::string& device_path, bool success);
-  void OnFormatCompleted(const std::string& device_path, bool success);
-
-  // Called on change to kExternalStorageDisabled pref.
-  void OnExternalStorageDisabledChanged();
-
-  // Called when prefs related to file manager change.
-  void OnFileManagerPrefsChanged();
-
-  // Process file watch notifications.
-  void HandleFileWatchNotification(const base::FilePath& path,
-                                   bool got_error);
-
-  // Sends directory change event.
-  void DispatchDirectoryChangeEvent(
-      const base::FilePath& path,
-      bool error,
-      const FileWatcherExtensions::ExtensionUsageRegistry& extensions);
-
-  void DispatchMountEvent(
-      chromeos::disks::DiskMountManager::MountEvent event,
-      chromeos::MountError error_code,
-      const chromeos::disks::DiskMountManager::MountPointInfo& mount_info);
-
-  // If needed, opens a file manager window for the removable device mounted at
-  // |mount_path|. Disk.mount_path() is empty, since it is being filled out
-  // after calling notifying observers by DiskMountManager.
-  void ShowRemovableDeviceInFileManager(
-      const chromeos::disks::DiskMountManager::Disk& disk,
-      const base::FilePath& mount_path);
-
-  // Sends onFileTranferUpdated to extensions if needed. If |always| is true,
-  // it sends the event always. Otherwise, it sends the event if enough time has
-  // passed from the previous event so as not to make extension busy.
-  void SendDriveFileTransferEvent(bool always);
-
-  // Manages the list of currently active Drive file transfer jobs.
-  struct DriveJobInfoWithStatus {
-    DriveJobInfoWithStatus();
-    DriveJobInfoWithStatus(const drive::JobInfo& info,
-                           const std::string& status);
-    drive::JobInfo job_info;
-    std::string status;
-  };
-  std::map<drive::JobID, DriveJobInfoWithStatus> drive_jobs_;
-  base::Time last_file_transfer_event_;
-
-  base::FilePathWatcher::Callback file_watcher_callback_;
-  WatcherMap file_watchers_;
-  scoped_ptr<DesktopNotifications> notifications_;
-  scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
-  scoped_ptr<MountedDiskMonitor> mounted_disk_monitor_;
-  Profile* profile_;
-
-  // Note: This should remain the last member so it'll be destroyed and
-  // invalidate the weak pointers before any other members are destroyed.
-  base::WeakPtrFactory<FileManagerEventRouter> weak_factory_;
-  DISALLOW_COPY_AND_ASSIGN(FileManagerEventRouter);
-};
-
-}  // namespace file_manager
-
-#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_MANAGER_EVENT_ROUTER_H_