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Bug 585591 – Starting/stopping drives

Browse Source 
Add API for starting/stopping drives. This new API will enable
GVolumeMonitor and GVfs implementations to add support for the
following features

 1. Powering down external hard disk enclosures / drives

 2. Starting/stopping multi-disk devices (such as RAID/btrfs/ZFS)

 3. Connecting/disconnecting iSCSI devices

 4. Reacting to the user pressing e.g. the "remove drive" button on
    a IBM/Lenovo Ultrabay: http://www.thinkwiki.org/wiki/Ultrabay

See the bug for the corresponding GVfs and Nautilus changes.
This commit is contained in:
David Zeuthen 2009-06-15 10:53:41 -04:00
parent bb4f7c48f9
commit fae755e056
11 changed files with 666 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
docs/reference/gio/gio-sections.txt
View File

@ -151,6 +151,10 @@ g_file_unmount_mountable
g_file_unmount_mountable_finish
g_file_eject_mountable
g_file_eject_mountable_finish
g_file_start_mountable
g_file_start_mountable_finish
g_file_stop_mountable
g_file_stop_mountable_finish
g_file_mount_enclosing_volume
g_file_mount_enclosing_volume_finish
g_file_monitor_directory
@ -246,6 +250,9 @@ G_FILE_ATTRIBUTE_MOUNTABLE_CAN_UNMOUNT
G_FILE_ATTRIBUTE_MOUNTABLE_CAN_EJECT
G_FILE_ATTRIBUTE_MOUNTABLE_UNIX_DEVICE
G_FILE_ATTRIBUTE_MOUNTABLE_HAL_UDI
G_FILE_ATTRIBUTE_MOUNTABLE_CAN_START
G_FILE_ATTRIBUTE_MOUNTABLE_CAN_STOP
G_FILE_ATTRIBUTE_MOUNTABLE_START_STOP_TYPE
G_FILE_ATTRIBUTE_TIME_MODIFIED
G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC
G_FILE_ATTRIBUTE_TIME_ACCESS
@ -1022,11 +1029,16 @@ g_volume_get_type
<TITLE>GDrive</TITLE>
GDrive
GDriveIface
GDriveStartFlags
GDriveStartStopType
g_drive_get_name
g_drive_get_icon
g_drive_has_volumes
g_drive_get_volumes
g_drive_can_eject
g_drive_get_start_stop_type
g_drive_can_start
g_drive_can_stop
g_drive_can_poll_for_media
g_drive_poll_for_media
g_drive_poll_for_media_finish
@ -1035,6 +1047,10 @@ g_drive_is_media_check_automatic
g_drive_is_media_removable
g_drive_eject
g_drive_eject_finish
g_drive_start
g_drive_start_finish
g_drive_stop
g_drive_stop_finish
g_drive_enumerate_identifiers
g_drive_get_identifier
<SUBSECTION Standard>

255
gio/gdrive.c
View File

@ -32,7 +32,7 @@
/**
* SECTION:gdrive
* @short_description: Virtual File System drive management
* @short_description: Drive management
* @include: gio/gio.h
*
* #GDrive - this represent a piece of hardware connected to the machine.
@ -50,6 +50,15 @@
* as a poll for media operation is potententially expensive and may
* spin up the drive creating noise.
*
* #GDrive supports starting and stopping drives with authentication
* support for the former. This can be used to support a diverse set
* of use cases including connecting/disconnecting iSCSI devices,
* powering down external disk enclosures and starting/stopping
* multi-disk devices such as RAID devices. Note that the actual
* semantics and side-effects of starting/stopping a #GDrive may vary
* according to implementation. To choose the correct verbs in e.g. a
* file manager, use g_drive_get_start_stop_type().
*
* For porting from GnomeVFS note that there is no equivalent of
* #GDrive in that API.
**/
@ -148,6 +157,23 @@ g_drive_base_init (gpointer g_class)
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* GDrive::stop-button:
* @drive: a #GDrive.
*
* Emitted when the physical stop button (if any) of a drive has
* been pressed.
*
* Since: 2.22
**/
g_signal_new (I_("stop-button"),
G_TYPE_DRIVE,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDriveIface, stop_button),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
initialized = TRUE;
}
}
@ -542,6 +568,233 @@ g_drive_enumerate_identifiers (GDrive *drive)
return (* iface->enumerate_identifiers) (drive);
}
/**
* g_drive_get_start_stop_type:
* @drive: a #GDrive.
*
* Gets a hint about how a drive can be started/stopped.
*
* Returns: A value from the #GDriveStartStopType enumeration.
*
* Since: 2.22
*/
GDriveStartStopType
g_drive_get_start_stop_type (GDrive *drive)
{
GDriveIface *iface;
g_return_val_if_fail (G_IS_DRIVE (drive), FALSE);
iface = G_DRIVE_GET_IFACE (drive);
if (iface->get_start_stop_type == NULL)
return G_DRIVE_START_STOP_TYPE_UNKNOWN;
return (* iface->get_start_stop_type) (drive);
}
/**
* g_drive_can_start:
* @drive: a #GDrive.
*
* Checks if a drive can be started.
*
* Returns: %TRUE if the @drive can be started, %FALSE otherwise.
*
* Since: 2.22
*/
gboolean
g_drive_can_start (GDrive *drive)
{
GDriveIface *iface;
g_return_val_if_fail (G_IS_DRIVE (drive), FALSE);
iface = G_DRIVE_GET_IFACE (drive);
if (iface->can_start == NULL)
return FALSE;
return (* iface->can_start) (drive);
}
/**
* g_drive_start:
* @drive: a #GDrive.
* @flags: flags affecting the start operation.
* @start_operation: a #GMountOperation or %NULL to avoid user interaction.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback, or %NULL.
* @user_data: user data to pass to @callback
*
* Asynchronously starts a drive.
*
* When the operation is finished, @callback will be called.
* You can then call g_drive_start_finish() to obtain the
* result of the operation.
*
* Since: 2.22
*/
void
g_drive_start (GDrive *drive,
GDriveStartFlags flags,
GMountOperation *start_operation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GDriveIface *iface;
g_return_if_fail (G_IS_DRIVE (drive));
iface = G_DRIVE_GET_IFACE (drive);
if (iface->start == NULL)
{
g_simple_async_report_error_in_idle (G_OBJECT (drive), callback, user_data,
G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
_("drive doesn't implement start"));
return;
}
(* iface->start) (drive, flags, start_operation, cancellable, callback, user_data);
}
/**
* g_drive_start_finish:
* @drive: a #GDrive.
* @result: a #GAsyncResult.
* @error: a #GError, or %NULL
*
* Finishes starting a drive.
*
* Returns: %TRUE if the drive has been started successfully,
* %FALSE otherwise.
*
* Since: 2.22
*/
gboolean
g_drive_start_finish (GDrive *drive,
GAsyncResult *result,
GError **error)
{
GDriveIface *iface;
g_return_val_if_fail (G_IS_DRIVE (drive), FALSE);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
if (G_IS_SIMPLE_ASYNC_RESULT (result))
{
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
}
iface = G_DRIVE_GET_IFACE (drive);
return (* iface->start_finish) (drive, result, error);
}
/**
* g_drive_can_stop:
* @drive: a #GDrive.
*
* Checks if a drive can be stopped.
*
* Returns: %TRUE if the @drive can be stopped, %FALSE otherwise.
*
* Since: 2.22
*/
gboolean
g_drive_can_stop (GDrive *drive)
{
GDriveIface *iface;
g_return_val_if_fail (G_IS_DRIVE (drive), FALSE);
iface = G_DRIVE_GET_IFACE (drive);
if (iface->can_stop == NULL)
return FALSE;
return (* iface->can_stop) (drive);
}
/**
* g_drive_stop:
* @drive: a #GDrive.
* @flags: flags affecting the unmount if required for stopping.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback, or %NULL.
* @user_data: user data to pass to @callback
*
* Asynchronously stops a drive.
*
* When the operation is finished, @callback will be called.
* You can then call g_drive_stop_finish() to obtain the
* result of the operation.
*
* Since: 2.22
*/
void
g_drive_stop (GDrive *drive,
GMountUnmountFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GDriveIface *iface;
g_return_if_fail (G_IS_DRIVE (drive));
iface = G_DRIVE_GET_IFACE (drive);
if (iface->stop == NULL)
{
g_simple_async_report_error_in_idle (G_OBJECT (drive), callback, user_data,
G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
_("drive doesn't implement stop"));
return;
}
(* iface->stop) (drive, flags, cancellable, callback, user_data);
}
/**
* g_drive_stop_finish:
* @drive: a #GDrive.
* @result: a #GAsyncResult.
* @error: a #GError, or %NULL
*
* Finishes stopping a drive.
*
* Returns: %TRUE if the drive has been stopped successfully,
* %FALSE otherwise.
*
* Since: 2.22
*/
gboolean
g_drive_stop_finish (GDrive *drive,
GAsyncResult *result,
GError **error)
{
GDriveIface *iface;
g_return_val_if_fail (G_IS_DRIVE (drive), FALSE);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
if (G_IS_SIMPLE_ASYNC_RESULT (result))
{
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
}
iface = G_DRIVE_GET_IFACE (drive);
return (* iface->stop_finish) (drive, result, error);
}
#define __G_DRIVE_C__
#include "gioaliasdef.c"

57
gio/gdrive.h
View File

@ -60,6 +60,14 @@ G_BEGIN_DECLS
* the #GDrive doesn't have one.
* @enumerate_identifiers: Returns an array strings listing the kinds
* of identifiers which the #GDrive has.
* @get_start_stop_type: Gets a #GDriveStartStopType with details about starting/stopping the drive. Since 2.22.
* @can_stop: Returns %TRUE if a #GDrive can be stopped. Since 2.22.
* @stop: Stops a #GDrive. Since 2.22.
* @stop_finish: Finishes a stop operation. Since 2.22.
* @can_start: Returns %TRUE if a #GDrive can be started. Since 2.22.
* @start: Starts a #GDrive. Since 2.22.
* @start_finish: Finishes a start operation. Since 2.22.
* @stop_button: Signal emitted when the physical stop button (if any) of a drive have been pressed. Since 2.22.
*
* Interface for creating #GDrive implementations.
*/
@ -103,6 +111,32 @@ struct _GDriveIface
char * (* get_identifier) (GDrive *drive,
const char *kind);
char ** (* enumerate_identifiers) (GDrive *drive);
GDriveStartStopType (* get_start_stop_type) (GDrive *drive);
gboolean (* can_start) (GDrive *drive);
void (* start) (GDrive *drive,
GDriveStartFlags flags,
GMountOperation *start_operation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* start_finish) (GDrive *drive,
GAsyncResult *result,
GError **error);
gboolean (* can_stop) (GDrive *drive);
void (* stop) (GDrive *drive,
GMountUnmountFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* stop_finish) (GDrive *drive,
GAsyncResult *result,
GError **error);
/* signal, not VFunc */
void (* stop_button) (GDrive *drive);
};
GType g_drive_get_type (void) G_GNUC_CONST;
@ -135,6 +169,29 @@ char * g_drive_get_identifier (GDrive *drive,
const char *kind);
char ** g_drive_enumerate_identifiers (GDrive *drive);
GDriveStartStopType g_drive_get_start_stop_type (GDrive *drive);
gboolean g_drive_can_start (GDrive *drive);
void g_drive_start (GDrive *drive,
GDriveStartFlags flags,
GMountOperation *start_operation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean g_drive_start_finish (GDrive *drive,
GAsyncResult *result,
GError **error);
gboolean g_drive_can_stop (GDrive *drive);
void g_drive_stop (GDrive *drive,
GMountUnmountFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean g_drive_stop_finish (GDrive *drive,
GAsyncResult *result,
GError **error);
G_END_DECLS
#endif /* __G_DRIVE_H__ */

179
gio/gfile.c
View File

@ -6572,5 +6572,184 @@ g_file_replace_contents_finish (GFile *file,
return TRUE;
}
/**
* g_file_start_mountable:
* @file: input #GFile.
* @flags: flags affecting the operation
* @start_operation: a #GMountOperation, or %NULL to avoid user interaction.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
* @user_data: the data to pass to callback function
*
* Starts a file of type G_FILE_TYPE_MOUNTABLE.
* Using @start_operation, you can request callbacks when, for instance,
* passwords are needed during authentication.
*
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
* was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
*
* When the operation is finished, @callback will be called. You can then call
* g_file_mount_mountable_finish() to get the result of the operation.
*
* Since: 2.22
*/
void
g_file_start_mountable (GFile *file,
GDriveStartFlags flags,
GMountOperation *start_operation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GFileIface *iface;
g_return_if_fail (G_IS_FILE (file));
iface = G_FILE_GET_IFACE (file);
if (iface->start_mountable == NULL)
{
g_simple_async_report_error_in_idle (G_OBJECT (file),
callback,
user_data,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Operation not supported"));
return;
}
(* iface->start_mountable) (file,
flags,
start_operation,
cancellable,
callback,
user_data);
}
/**
* g_file_start_mountable_finish:
* @file: input #GFile.
* @result: a #GAsyncResult.
* @error: a #GError, or %NULL
*
* Finishes a start operation. See g_file_start_mountable() for details.
*
* Finish an asynchronous start operation that was started
* with g_file_start_mountable().
*
* Returns: %TRUE if the operation finished successfully. %FALSE
* otherwise.
*
* Since: 2.22
*/
gboolean
g_file_start_mountable_finish (GFile *file,
GAsyncResult *result,
GError **error)
{
GFileIface *iface;
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
if (G_IS_SIMPLE_ASYNC_RESULT (result))
{
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
}
iface = G_FILE_GET_IFACE (file);
return (* iface->start_mountable_finish) (file, result, error);
}
/**
* g_file_stop_mountable:
* @file: input #GFile.
* @flags: flags affecting the operation
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied, or %NULL.
* @user_data: the data to pass to callback function
*
* Stops a file of type G_FILE_TYPE_MOUNTABLE.
*
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
* was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
*
* When the operation is finished, @callback will be called. You can then call
* g_file_stop_mountable_finish() to get the result of the operation.
*
* Since: 2.22
*/
void
g_file_stop_mountable (GFile *file,
GMountUnmountFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GFileIface *iface;
g_return_if_fail (G_IS_FILE (file));
iface = G_FILE_GET_IFACE (file);
if (iface->stop_mountable == NULL)
{
g_simple_async_report_error_in_idle (G_OBJECT (file),
callback,
user_data,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Operation not supported"));
return;
}
(* iface->stop_mountable) (file,
flags,
cancellable,
callback,
user_data);
}
/**
* g_file_stop_mountable_finish:
* @file: input #GFile.
* @result: a #GAsyncResult.
* @error: a #GError, or %NULL
*
* Finishes an stop operation, see g_file_stop_mountable() for details.
*
* Finish an asynchronous stop operation that was started
* with g_file_stop_mountable().
*
* Returns: %TRUE if the operation finished successfully. %FALSE
* otherwise.
*
* Since: 2.22
*/
gboolean
g_file_stop_mountable_finish (GFile *file,
GAsyncResult *result,
GError **error)
{
GFileIface *iface;
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE);
if (G_IS_SIMPLE_ASYNC_RESULT (result))
{
GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
}
iface = G_FILE_GET_IFACE (file);
return (* iface->stop_mountable_finish) (file, result, error);
}
#define __G_FILE_C__
#include "gioaliasdef.c"

41
gio/gfile.h
View File

@ -141,6 +141,10 @@ typedef struct _GFileIface GFileIface;
* @replace_readwrite: Replaces file read/write. Since 2.22.
* @replace_readwrite_async: Asynchronously replaces file read/write. Since 2.22.
* @replace_readwrite_finish: Finishes an asynchronous replace read/write. Since 2.22.
* @start_mountable: Starts a mountable object. Since 2.22.
* @start_mountable_finish: Finishes an start operation. Since 2.22.
* @stop_mountable: Stops a mountable. Since 2.22.
* @stop_mountable_finish: Finishes an stop operation. Since 2.22.
*
* An interface for writing VFS file handles.
**/
@ -482,6 +486,25 @@ struct _GFileIface
GFileIOStream * (* replace_readwrite_finish) (GFile *file,
GAsyncResult *res,
GError **error);
void (* start_mountable) (GFile *file,
GDriveStartFlags flags,
GMountOperation *start_operation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* start_mountable_finish) (GFile *file,
GAsyncResult *result,
GError **error);
void (* stop_mountable) (GFile *file,
GMountUnmountFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* stop_mountable_finish) (GFile *file,
GAsyncResult *result,
GError **error);
};
GType g_file_get_type (void) G_GNUC_CONST;
@ -843,6 +866,24 @@ GFileMonitor* g_file_monitor (GFile
GCancellable *cancellable,
GError **error);
void g_file_start_mountable (GFile *file,
GDriveStartFlags flags,
GMountOperation *start_operation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean g_file_start_mountable_finish (GFile *file,
GAsyncResult *result,
GError **error);
void g_file_stop_mountable (GFile *file,
GMountUnmountFlags flags,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean g_file_stop_mountable_finish (GFile *file,
GAsyncResult *result,
GError **error);
/* Utilities */

31
gio/gfileinfo.h
View File

@ -370,6 +370,37 @@ typedef struct _GFileInfoClass GFileInfoClass;
**/
#define G_FILE_ATTRIBUTE_MOUNTABLE_HAL_UDI "mountable::hal-udi" /* string */
/**
* G_FILE_ATTRIBUTE_MOUNTABLE_CAN_START:
*
* A key in the "mountable" namespace for checking if a file (of type G_FILE_TYPE_MOUNTABLE) can be started.
* Corresponding #GFileAttributeType is %G_FILE_ATTRIBUTE_TYPE_UINT32.
*
* Since: 2.22
*/
#define G_FILE_ATTRIBUTE_MOUNTABLE_CAN_START "mountable::can-start" /* boolean */
/**
* G_FILE_ATTRIBUTE_MOUNTABLE_CAN_STOP:
*
* A key in the "mountable" namespace for checking if a file (of type G_FILE_TYPE_MOUNTABLE) can be stopped.
* Corresponding #GFileAttributeType is %G_FILE_ATTRIBUTE_TYPE_BOOLEAN.
*
* Since: 2.22
*/
#define G_FILE_ATTRIBUTE_MOUNTABLE_CAN_STOP "mountable::can-stop" /* boolean */
/**
* G_FILE_ATTRIBUTE_MOUNTABLE_START_STOP_TYPE:
*
* A key in the "mountable" namespace for getting the #GDriveStartStopType.
* Corresponding #GFileAttributeType is %G_FILE_ATTRIBUTE_TYPE_UINT32.
*
* Since: 2.22
*/
#define G_FILE_ATTRIBUTE_MOUNTABLE_START_STOP_TYPE "mountable::start-stop-type" /* uint32 (GDriveStartStopType) */
/* Time attributes */
/**

13
gio/gio.symbols
View File

@ -214,6 +214,13 @@ g_drive_poll_for_media
g_drive_poll_for_media_finish
g_drive_get_identifier
g_drive_enumerate_identifiers
g_drive_get_start_stop_type
g_drive_can_start
g_drive_start
g_drive_start_finish
g_drive_can_stop
g_drive_stop
g_drive_stop_finish
#endif
#endif
@ -332,6 +339,10 @@ g_file_open_readwrite_finish
g_file_replace_readwrite
g_file_replace_readwrite_async
g_file_replace_readwrite_finish
g_file_start_mountable
g_file_start_mountable_finish
g_file_stop_mountable
g_file_stop_mountable_finish
#endif
#endif
@ -863,6 +874,8 @@ g_filesystem_preview_type_get_type G_GNUC_CONST
g_io_error_enum_get_type G_GNUC_CONST
g_mount_mount_flags_get_type G_GNUC_CONST
g_mount_operation_result_get_type G_GNUC_CONST
g_drive_start_flags_get_type G_GNUC_CONST
g_drive_start_stop_type_get_type G_GNUC_CONST
g_output_stream_splice_flags_get_type G_GNUC_CONST
g_ask_password_flags_get_type G_GNUC_CONST
g_password_save_get_type G_GNUC_CONST

39
gio/gioenums.h
View File

@ -198,6 +198,45 @@ typedef enum {
G_MOUNT_UNMOUNT_FORCE = (1 << 0)
} GMountUnmountFlags;
/**
* GDriveStartFlags:
* @G_DRIVE_START_NONE: No flags set.
*
* Flags used when starting a drive.
*
* Since: 2.22
*/
typedef enum {
G_DRIVE_START_NONE = 0
} GDriveStartFlags;
/**
* GDriveStartStopType:
* @G_DRIVE_START_STOP_TYPE_UNKNOWN: Unknown or drive doesn't support
* start/stop.
* @G_DRIVE_START_STOP_TYPE_SHUTDOWN: The stop method will physically
* shut down the drive and e.g. power down the port the drive is
* attached to.
* @G_DRIVE_START_STOP_TYPE_NETWORK: The start/stop methods are used
* for connecting/disconnect to the drive over the network.
* @G_DRIVE_START_STOP_TYPE_MULTIDISK: The start/stop methods will
* assemble/disassemble a virtual drive from several physical
* drives.
* @G_DRIVE_START_STOP_TYPE_PASSWORD: The start/stop methods will
* unlock/lock the disk (for example using the ATA <quote>SECURITY
* UNLOCK DEVICE</quote> command)
*
* Enumeration describing how a drive can be started/stopped.
*
* Since: 2.22
*/
typedef enum {
G_DRIVE_START_STOP_TYPE_UNKNOWN,
G_DRIVE_START_STOP_TYPE_SHUTDOWN,
G_DRIVE_START_STOP_TYPE_NETWORK,
G_DRIVE_START_STOP_TYPE_MULTIDISK,
G_DRIVE_START_STOP_TYPE_PASSWORD
} GDriveStartStopType;
/**
* GFileCopyFlags:

12
gio/gunionvolumemonitor.c
View File

@ -362,6 +362,16 @@ child_drive_eject_button (GVolumeMonitor *child_monitor,
child_drive);
}
static void
child_drive_stop_button (GVolumeMonitor *child_monitor,
GDrive *child_drive,
GUnionVolumeMonitor *union_monitor)
{
g_signal_emit_by_name (union_monitor,
"drive-stop-button",
child_drive);
}
static void
g_union_volume_monitor_add_monitor (GUnionVolumeMonitor *union_monitor,
GVolumeMonitor *volume_monitor)
@ -384,6 +394,7 @@ g_union_volume_monitor_add_monitor (GUnionVolumeMonitor *union_monitor,
g_signal_connect (volume_monitor, "drive-disconnected", (GCallback)child_drive_disconnected, union_monitor);
g_signal_connect (volume_monitor, "drive-changed", (GCallback)child_drive_changed, union_monitor);
g_signal_connect (volume_monitor, "drive-eject-button", (GCallback)child_drive_eject_button, union_monitor);
g_signal_connect (volume_monitor, "drive-stop-button", (GCallback)child_drive_stop_button, union_monitor);
}
static void
@ -409,6 +420,7 @@ g_union_volume_monitor_remove_monitor (GUnionVolumeMonitor *union_monitor,
g_signal_handlers_disconnect_by_func (child_monitor, child_drive_disconnected, union_monitor);
g_signal_handlers_disconnect_by_func (child_monitor, child_drive_changed, union_monitor);
g_signal_handlers_disconnect_by_func (child_monitor, child_drive_eject_button, union_monitor);
g_signal_handlers_disconnect_by_func (child_monitor, child_drive_stop_button, union_monitor);
}
static GType

18
gio/gvolumemonitor.c
View File

@ -57,6 +57,7 @@ enum {
DRIVE_DISCONNECTED,
DRIVE_CHANGED,
DRIVE_EJECT_BUTTON,
DRIVE_STOP_BUTTON,
LAST_SIGNAL
};
@ -247,6 +248,23 @@ g_volume_monitor_class_init (GVolumeMonitorClass *klass)
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_DRIVE);
/**
* GVolumeMonitor::drive-stop-button:
* @volume_monitor: The volume monitor emitting the signal.
* @drive: the drive where the stop button was pressed
*
* Emitted when the stop button is pressed on @drive.
*
* Since: 2.22
**/
signals[DRIVE_STOP_BUTTON] = g_signal_new (I_("drive-stop-button"),
G_TYPE_VOLUME_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GVolumeMonitorClass, drive_stop_button),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, G_TYPE_DRIVE);
}
static void

5
gio/gvolumemonitor.h
View File

@ -117,6 +117,10 @@ struct _GVolumeMonitorClass
void (* drive_eject_button) (GVolumeMonitor *volume_monitor,
GDrive *drive);
/* signal added in 2.21 */
void (* drive_stop_button) (GVolumeMonitor *volume_monitor,
GDrive *drive);
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
@ -125,7 +129,6 @@ struct _GVolumeMonitorClass
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
void (*_g_reserved6) (void);
void (*_g_reserved7) (void);
};
GType g_volume_monitor_get_type (void) G_GNUC_CONST;