| // 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_EVENT_ROUTER_H_ |
| #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_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.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 EventRouter |
| : public chromeos::disks::DiskMountManager::Observer, |
| public chromeos::ConnectivityStateHelperObserver, |
| public drive::DriveIntegrationServiceObserver, |
| public drive::FileSystemObserver, |
| public drive::JobListObserver, |
| public drive::DriveServiceObserver { |
| public: |
| explicit EventRouter(Profile* profile); |
| virtual ~EventRouter(); |
| |
| 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, FileWatcher*> 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 std::vector<std::string>& extension_ids); |
| |
| 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_; |
| |
| 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<EventRouter> weak_factory_; |
| DISALLOW_COPY_AND_ASSIGN(EventRouter); |
| }; |
| |
| } // namespace file_manager |
| |
| #endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_EVENT_ROUTER_H_ |