mirror of https://gitee.com/openkylin/glib2.0.git
398 lines
13 KiB
C
398 lines
13 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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* David Zeuthen <davidz@redhat.com>
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*/
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#include "config.h"
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#include "gvolumemonitor.h"
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#include "gvolume.h"
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#include "gmount.h"
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#include "gdrive.h"
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#include "glibintl.h"
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/**
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* SECTION:gvolumemonitor
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* @short_description: Volume Monitor
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* @include: gio/gio.h
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* @see_also: #GFileMonitor
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*
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* #GVolumeMonitor is for listing the user interesting devices and volumes
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* on the computer. In other words, what a file selector or file manager
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* would show in a sidebar.
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*
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* #GVolumeMonitor is not
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* [thread-default-context aware][g-main-context-push-thread-default],
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* and so should not be used other than from the main thread, with no
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* thread-default-context active.
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*
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* In order to receive updates about volumes and mounts monitored through GVFS,
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* a main loop must be running.
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**/
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G_DEFINE_TYPE (GVolumeMonitor, g_volume_monitor, G_TYPE_OBJECT)
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enum {
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VOLUME_ADDED,
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VOLUME_REMOVED,
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VOLUME_CHANGED,
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MOUNT_ADDED,
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MOUNT_REMOVED,
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MOUNT_PRE_UNMOUNT,
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MOUNT_CHANGED,
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DRIVE_CONNECTED,
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DRIVE_DISCONNECTED,
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DRIVE_CHANGED,
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DRIVE_EJECT_BUTTON,
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DRIVE_STOP_BUTTON,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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static void
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g_volume_monitor_finalize (GObject *object)
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{
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G_OBJECT_CLASS (g_volume_monitor_parent_class)->finalize (object);
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}
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static void
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g_volume_monitor_class_init (GVolumeMonitorClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = g_volume_monitor_finalize;
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/**
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* GVolumeMonitor::volume-added:
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* @volume_monitor: The volume monitor emitting the signal.
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* @volume: a #GVolume that was added.
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*
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* Emitted when a mountable volume is added to the system.
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**/
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signals[VOLUME_ADDED] = g_signal_new (I_("volume-added"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, volume_added),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_VOLUME);
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/**
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* GVolumeMonitor::volume-removed:
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* @volume_monitor: The volume monitor emitting the signal.
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* @volume: a #GVolume that was removed.
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*
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* Emitted when a mountable volume is removed from the system.
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**/
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signals[VOLUME_REMOVED] = g_signal_new (I_("volume-removed"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, volume_removed),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_VOLUME);
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/**
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* GVolumeMonitor::volume-changed:
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* @volume_monitor: The volume monitor emitting the signal.
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* @volume: a #GVolume that changed.
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*
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* Emitted when mountable volume is changed.
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**/
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signals[VOLUME_CHANGED] = g_signal_new (I_("volume-changed"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, volume_changed),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_VOLUME);
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/**
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* GVolumeMonitor::mount-added:
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* @volume_monitor: The volume monitor emitting the signal.
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* @mount: a #GMount that was added.
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*
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* Emitted when a mount is added.
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**/
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signals[MOUNT_ADDED] = g_signal_new (I_("mount-added"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, mount_added),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_MOUNT);
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/**
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* GVolumeMonitor::mount-removed:
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* @volume_monitor: The volume monitor emitting the signal.
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* @mount: a #GMount that was removed.
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*
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* Emitted when a mount is removed.
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**/
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signals[MOUNT_REMOVED] = g_signal_new (I_("mount-removed"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, mount_removed),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_MOUNT);
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/**
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* GVolumeMonitor::mount-pre-unmount:
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* @volume_monitor: The volume monitor emitting the signal.
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* @mount: a #GMount that is being unmounted.
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*
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* May be emitted when a mount is about to be removed.
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*
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* This signal depends on the backend and is only emitted if
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* GIO was used to unmount.
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**/
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signals[MOUNT_PRE_UNMOUNT] = g_signal_new (I_("mount-pre-unmount"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, mount_pre_unmount),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_MOUNT);
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/**
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* GVolumeMonitor::mount-changed:
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* @volume_monitor: The volume monitor emitting the signal.
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* @mount: a #GMount that changed.
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*
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* Emitted when a mount changes.
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**/
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signals[MOUNT_CHANGED] = g_signal_new (I_("mount-changed"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, mount_changed),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_MOUNT);
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/**
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* GVolumeMonitor::drive-connected:
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* @volume_monitor: The volume monitor emitting the signal.
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* @drive: a #GDrive that was connected.
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*
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* Emitted when a drive is connected to the system.
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**/
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signals[DRIVE_CONNECTED] = g_signal_new (I_("drive-connected"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, drive_connected),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_DRIVE);
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/**
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* GVolumeMonitor::drive-disconnected:
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* @volume_monitor: The volume monitor emitting the signal.
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* @drive: a #GDrive that was disconnected.
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*
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* Emitted when a drive is disconnected from the system.
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**/
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signals[DRIVE_DISCONNECTED] = g_signal_new (I_("drive-disconnected"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, drive_disconnected),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_DRIVE);
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/**
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* GVolumeMonitor::drive-changed:
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* @volume_monitor: The volume monitor emitting the signal.
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* @drive: the drive that changed
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*
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* Emitted when a drive changes.
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**/
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signals[DRIVE_CHANGED] = g_signal_new (I_("drive-changed"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, drive_changed),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_DRIVE);
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/**
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* GVolumeMonitor::drive-eject-button:
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* @volume_monitor: The volume monitor emitting the signal.
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* @drive: the drive where the eject button was pressed
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*
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* Emitted when the eject button is pressed on @drive.
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*
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* Since: 2.18
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**/
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signals[DRIVE_EJECT_BUTTON] = g_signal_new (I_("drive-eject-button"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, drive_eject_button),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_DRIVE);
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/**
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* GVolumeMonitor::drive-stop-button:
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* @volume_monitor: The volume monitor emitting the signal.
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* @drive: the drive where the stop button was pressed
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*
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* Emitted when the stop button is pressed on @drive.
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*
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* Since: 2.22
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**/
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signals[DRIVE_STOP_BUTTON] = g_signal_new (I_("drive-stop-button"),
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G_TYPE_VOLUME_MONITOR,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GVolumeMonitorClass, drive_stop_button),
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 1, G_TYPE_DRIVE);
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}
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static void
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g_volume_monitor_init (GVolumeMonitor *monitor)
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{
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}
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/**
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* g_volume_monitor_get_connected_drives:
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* @volume_monitor: a #GVolumeMonitor.
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*
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* Gets a list of drives connected to the system.
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*
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* The returned list should be freed with g_list_free(), after
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* its elements have been unreffed with g_object_unref().
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*
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* Returns: (element-type GDrive) (transfer full): a #GList of connected #GDrive objects.
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**/
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GList *
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g_volume_monitor_get_connected_drives (GVolumeMonitor *volume_monitor)
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{
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GVolumeMonitorClass *class;
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g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
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class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
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return class->get_connected_drives (volume_monitor);
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}
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/**
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* g_volume_monitor_get_volumes:
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* @volume_monitor: a #GVolumeMonitor.
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*
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* Gets a list of the volumes on the system.
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*
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* The returned list should be freed with g_list_free(), after
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* its elements have been unreffed with g_object_unref().
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*
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* Returns: (element-type GVolume) (transfer full): a #GList of #GVolume objects.
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**/
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GList *
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g_volume_monitor_get_volumes (GVolumeMonitor *volume_monitor)
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{
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GVolumeMonitorClass *class;
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g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
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class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
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return class->get_volumes (volume_monitor);
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}
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/**
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* g_volume_monitor_get_mounts:
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* @volume_monitor: a #GVolumeMonitor.
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*
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* Gets a list of the mounts on the system.
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*
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* The returned list should be freed with g_list_free(), after
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* its elements have been unreffed with g_object_unref().
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*
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* Returns: (element-type GMount) (transfer full): a #GList of #GMount objects.
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**/
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GList *
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g_volume_monitor_get_mounts (GVolumeMonitor *volume_monitor)
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{
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GVolumeMonitorClass *class;
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g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
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class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
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return class->get_mounts (volume_monitor);
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}
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/**
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* g_volume_monitor_get_volume_for_uuid:
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* @volume_monitor: a #GVolumeMonitor.
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* @uuid: the UUID to look for
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*
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* Finds a #GVolume object by its UUID (see g_volume_get_uuid())
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*
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* Returns: (nullable) (transfer full): a #GVolume or %NULL if no such volume is available.
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* Free the returned object with g_object_unref().
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**/
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GVolume *
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g_volume_monitor_get_volume_for_uuid (GVolumeMonitor *volume_monitor,
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const char *uuid)
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{
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GVolumeMonitorClass *class;
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g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
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g_return_val_if_fail (uuid != NULL, NULL);
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class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
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return class->get_volume_for_uuid (volume_monitor, uuid);
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}
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/**
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* g_volume_monitor_get_mount_for_uuid:
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* @volume_monitor: a #GVolumeMonitor.
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* @uuid: the UUID to look for
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*
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* Finds a #GMount object by its UUID (see g_mount_get_uuid())
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*
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* Returns: (nullable) (transfer full): a #GMount or %NULL if no such mount is available.
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* Free the returned object with g_object_unref().
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**/
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GMount *
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g_volume_monitor_get_mount_for_uuid (GVolumeMonitor *volume_monitor,
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const char *uuid)
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{
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GVolumeMonitorClass *class;
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g_return_val_if_fail (G_IS_VOLUME_MONITOR (volume_monitor), NULL);
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g_return_val_if_fail (uuid != NULL, NULL);
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class = G_VOLUME_MONITOR_GET_CLASS (volume_monitor);
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return class->get_mount_for_uuid (volume_monitor, uuid);
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}
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