[gnome-panel] menu: add GpVolumes
- From: Alberts Muktupāvels <muktupavels src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-panel] menu: add GpVolumes
- Date: Mon, 5 Feb 2018 21:37:45 +0000 (UTC)
commit d5898ae9a3c1d9b0a1f32eb0d39a6d361372bab9
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date: Mon Feb 5 19:38:57 2018 +0200
menu: add GpVolumes
modules/menu/Makefile.am | 2 +
modules/menu/gp-volumes.c | 570 +++++++++++++++++++++++++++++++++++++++++++++
modules/menu/gp-volumes.h | 66 ++++++
3 files changed, 638 insertions(+), 0 deletions(-)
---
diff --git a/modules/menu/Makefile.am b/modules/menu/Makefile.am
index 3090784..ed765b6 100644
--- a/modules/menu/Makefile.am
+++ b/modules/menu/Makefile.am
@@ -37,6 +37,8 @@ menu_la_SOURCES = \
gp-places-menu.h \
gp-user-menu-applet.c \
gp-user-menu-applet.h \
+ gp-volumes.c \
+ gp-volumes.h \
$(BUILT_SOURCES) \
$(NULL)
diff --git a/modules/menu/gp-volumes.c b/modules/menu/gp-volumes.c
new file mode 100644
index 0000000..7f35cfd
--- /dev/null
+++ b/modules/menu/gp-volumes.c
@@ -0,0 +1,570 @@
+/*
+ * Copyright (C) 2005 Vincent Untz
+ * Copyright (C) 2018 Alberts Muktupāvels
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ * Alberts Muktupāvels <alberts muktupavels gmail com>
+ * Vincent Untz <vincent vuntz net>
+ */
+
+#include "config.h"
+#include "gp-volumes.h"
+
+struct _GpVolumes
+{
+ GObject parent;
+
+ GVolumeMonitor *monitor;
+
+ GHashTable *local_drives;
+ GHashTable *local_volumes;
+ GHashTable *local_mounts;
+
+ GHashTable *remote_mounts;
+
+ gulong drive_changed_id;
+ gulong drive_connected_id;
+ gulong drive_disconnected_id;
+
+ gulong mount_added_id;
+ gulong mount_changed_id;
+ gulong mount_removed_id;
+
+ gulong volume_added_id;
+ gulong volume_changed_id;
+ gulong volume_removed_id;
+};
+
+enum
+{
+ CHANGED,
+
+ LAST_SIGNAL
+};
+
+static guint volumes_signals[LAST_SIGNAL] = { 0 };
+
+G_DEFINE_TYPE (GpVolumes, gp_volumes, G_TYPE_OBJECT)
+
+static void
+add_drive (GpVolumes *volumes,
+ GDrive *drive)
+{
+ GList *list;
+
+ list = g_drive_get_volumes (drive);
+
+ if (list != NULL)
+ {
+ GList *l;
+
+ for (l = list; l != NULL; l = l->next)
+ {
+ GVolume *volume;
+ GMount *mount;
+
+ volume = G_VOLUME (l->data);
+ mount = g_volume_get_mount (volume);
+
+ if (mount != NULL)
+ {
+ g_hash_table_replace (volumes->local_mounts, mount,
+ g_object_ref (mount));
+
+ g_object_unref (mount);
+ }
+ else
+ {
+ /* Do show the unmounted volumes; this is so the user can
+ * mount it (in case automounting is off).
+ *
+ * Also, even if automounting is enabled, this gives a
+ * visual cue that the user should remember to yank out
+ * the media if he just unmounted it.
+ */
+ g_hash_table_replace (volumes->local_volumes, volume,
+ g_object_ref (volume));
+ }
+ }
+
+ g_list_free_full (list, g_object_unref);
+ }
+ else
+ {
+ /* If the drive has no mountable volumes and we cannot detect
+ * media change.. we display the drive so the user can manually
+ * poll the drive by clicking on it...
+ *
+ * This is mainly for drives like floppies where media detection
+ * doesn't work.. but it's also for human beings who like to turn
+ * off media detection in the OS to save battery juice.
+ */
+ if (g_drive_is_media_removable (drive) &&
+ !g_drive_is_media_check_automatic (drive))
+ {
+ g_hash_table_replace (volumes->local_drives, drive,
+ g_object_ref (drive));
+ }
+ }
+}
+
+static void
+add_volume (GpVolumes *volumes,
+ GVolume *volume)
+{
+ GDrive *drive;
+ GMount *mount;
+
+ drive = g_volume_get_drive (volume);
+
+ if (drive != NULL)
+ {
+ g_object_unref (drive);
+ return;
+ }
+
+ mount = g_volume_get_mount (volume);
+
+ if (mount != NULL)
+ {
+ g_hash_table_replace (volumes->local_mounts, mount,
+ g_object_ref (mount));
+
+ g_object_unref (mount);
+ }
+ else
+ {
+ /* See comment in add_drive() why we add an icon for an
+ * unmounted mountable volume.
+ */
+ g_hash_table_replace (volumes->local_volumes, volume,
+ g_object_ref (volume));
+ }
+}
+
+static void
+add_mount (GpVolumes *volumes,
+ GMount *mount)
+{
+ GVolume *volume;
+ GFile *root;
+
+ if (g_mount_is_shadowed (mount))
+ return;
+
+ volume = g_mount_get_volume (mount);
+
+ if (volume != NULL)
+ {
+ g_object_unref (volume);
+ return;
+ }
+
+ root = g_mount_get_root (mount);
+
+ if (g_file_is_native (root))
+ {
+ g_hash_table_replace (volumes->local_mounts, mount,
+ g_object_ref (mount));
+ }
+ else
+ {
+ g_hash_table_replace (volumes->remote_mounts, mount,
+ g_object_ref (mount));
+ }
+
+ g_object_unref (root);
+}
+
+static void
+get_all_drives (GpVolumes *volumes)
+{
+ GList *drives;
+ GList *l;
+
+ drives = g_volume_monitor_get_connected_drives (volumes->monitor);
+
+ for (l = drives; l != NULL; l = l->next)
+ add_drive (volumes, l->data);
+
+ g_list_free_full (drives, g_object_unref);
+}
+
+static void
+get_all_volumes (GpVolumes *volumes)
+{
+ GList *list;
+ GList *l;
+
+ list = g_volume_monitor_get_volumes (volumes->monitor);
+
+ for (l = list; l != NULL; l = l->next)
+ add_volume (volumes, l->data);
+
+ g_list_free_full (list, g_object_unref);
+}
+
+static void
+get_all_mounts (GpVolumes *volumes)
+{
+ GList *mounts;
+ GList *l;
+
+ mounts = g_volume_monitor_get_mounts (volumes->monitor);
+
+ for (l = mounts; l != NULL; l = l->next)
+ add_mount (volumes, l->data);
+
+ g_list_free_full (mounts, g_object_unref);
+}
+
+static void
+get_all (GpVolumes *volumes)
+{
+ g_hash_table_remove_all (volumes->local_drives);
+ g_hash_table_remove_all (volumes->local_volumes);
+ g_hash_table_remove_all (volumes->local_mounts);
+ g_hash_table_remove_all (volumes->remote_mounts);
+
+ get_all_drives (volumes);
+ get_all_volumes (volumes);
+ get_all_mounts (volumes);
+}
+
+static void
+emit_changed (GpVolumes *volumes)
+{
+ g_signal_emit (volumes, volumes_signals[CHANGED], 0);
+}
+
+static void
+drive_changed_cb (GVolumeMonitor *monitor,
+ GDrive *drive,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+drive_connected_cb (GVolumeMonitor *monitor,
+ GDrive *drive,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+drive_disconnected_cb (GVolumeMonitor *monitor,
+ GDrive *drive,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+mount_added_cb (GVolumeMonitor *monitor,
+ GMount *mount,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+mount_changed_cb (GVolumeMonitor *monitor,
+ GMount *mount,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+mount_removed_cb (GVolumeMonitor *monitor,
+ GMount *mount,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+volume_added_cb (GVolumeMonitor *monitor,
+ GVolume *volume,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+volume_changed_cb (GVolumeMonitor *monitor,
+ GVolume *volume,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static void
+volume_removed_cb (GVolumeMonitor *monitor,
+ GVolume *volume,
+ GpVolumes *volumes)
+{
+ get_all (volumes);
+ emit_changed (volumes);
+}
+
+static GHashTable *
+create_hash_table (void)
+{
+ return g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
+ (GDestroyNotify) g_object_unref);
+}
+
+static void
+gp_volumes_dispose (GObject *object)
+{
+ GpVolumes *volumes;
+
+ volumes = GP_VOLUMES (object);
+
+ if (volumes->drive_changed_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->drive_changed_id);
+ volumes->drive_changed_id = 0;
+ }
+
+ if (volumes->drive_connected_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->drive_connected_id);
+ volumes->drive_connected_id = 0;
+ }
+
+ if (volumes->drive_disconnected_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->drive_disconnected_id);
+ volumes->drive_disconnected_id = 0;
+ }
+
+ if (volumes->mount_added_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->mount_added_id);
+ volumes->mount_added_id = 0;
+ }
+
+ if (volumes->mount_changed_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->mount_changed_id);
+ volumes->mount_changed_id = 0;
+ }
+
+ if (volumes->mount_removed_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->mount_removed_id);
+ volumes->mount_removed_id = 0;
+ }
+
+ if (volumes->volume_added_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->volume_added_id);
+ volumes->volume_added_id = 0;
+ }
+
+ if (volumes->volume_changed_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->volume_changed_id);
+ volumes->volume_changed_id = 0;
+ }
+
+ if (volumes->volume_removed_id != 0)
+ {
+ g_signal_handler_disconnect (volumes->monitor, volumes->volume_removed_id);
+ volumes->volume_removed_id = 0;
+ }
+
+ g_clear_pointer (&volumes->local_drives, g_hash_table_destroy);
+ g_clear_pointer (&volumes->local_volumes, g_hash_table_destroy);
+ g_clear_pointer (&volumes->local_mounts, g_hash_table_destroy);
+ g_clear_pointer (&volumes->remote_mounts, g_hash_table_destroy);
+
+ g_clear_object (&volumes->monitor);
+
+ G_OBJECT_CLASS (gp_volumes_parent_class)->dispose (object);
+}
+
+static void
+gp_volumes_class_init (GpVolumesClass *volumes_class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (volumes_class);
+
+ object_class->dispose = gp_volumes_dispose;
+
+ volumes_signals[CHANGED] =
+ g_signal_new ("changed", GP_TYPE_VOLUMES, G_SIGNAL_RUN_LAST,
+ 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+}
+
+static void
+gp_volumes_init (GpVolumes *volumes)
+{
+ volumes->monitor = g_volume_monitor_get ();
+
+ volumes->local_drives = create_hash_table ();
+ volumes->local_volumes = create_hash_table ();
+ volumes->local_mounts = create_hash_table ();
+ volumes->remote_mounts = create_hash_table ();
+
+ volumes->drive_changed_id = g_signal_connect (volumes->monitor,
+ "drive-changed",
+ G_CALLBACK (drive_changed_cb),
+ volumes);
+
+ volumes->drive_connected_id = g_signal_connect (volumes->monitor,
+ "drive-connected",
+ G_CALLBACK (drive_connected_cb),
+ volumes);
+
+ volumes->drive_disconnected_id = g_signal_connect (volumes->monitor,
+ "drive-disconnected",
+ G_CALLBACK (drive_disconnected_cb),
+ volumes);
+
+ volumes->mount_added_id = g_signal_connect (volumes->monitor,
+ "mount-added",
+ G_CALLBACK (mount_added_cb),
+ volumes);
+
+ volumes->mount_changed_id = g_signal_connect (volumes->monitor,
+ "mount-changed",
+ G_CALLBACK (mount_changed_cb),
+ volumes);
+
+ volumes->mount_removed_id = g_signal_connect (volumes->monitor,
+ "mount-removed",
+ G_CALLBACK (mount_removed_cb),
+ volumes);
+
+ volumes->volume_added_id = g_signal_connect (volumes->monitor,
+ "volume-added",
+ G_CALLBACK (volume_added_cb),
+ volumes);
+
+ volumes->volume_changed_id = g_signal_connect (volumes->monitor,
+ "volume-changed",
+ G_CALLBACK (volume_changed_cb),
+ volumes);
+
+ volumes->volume_removed_id = g_signal_connect (volumes->monitor,
+ "volume-removed",
+ G_CALLBACK (volume_removed_cb),
+ volumes);
+
+ get_all (volumes);
+}
+
+GpVolumes *
+gp_volumes_new (void)
+{
+ return g_object_new (GP_TYPE_VOLUMES, NULL);
+}
+
+guint
+gp_volumes_get_local_count (GpVolumes *volumes)
+{
+ guint count;
+
+ count = g_hash_table_size (volumes->local_drives);
+ count += g_hash_table_size (volumes->local_volumes);
+ count += g_hash_table_size (volumes->local_mounts);
+
+ return count;
+}
+
+guint
+gp_volumes_get_remote_count (GpVolumes *volumes)
+{
+ return g_hash_table_size (volumes->remote_mounts);
+}
+
+void
+gp_volumes_foreach_local_drives (GpVolumes *volumes,
+ GpVolumesForeachDrivesFunc foreach_func,
+ gpointer user_data)
+{
+ GList *values;
+ GList *l;
+
+ values = g_hash_table_get_values (volumes->local_drives);
+
+ for (l = values; l != NULL; l = l->next)
+ foreach_func (volumes, l->data, user_data);
+
+ g_list_free (values);
+}
+
+void
+gp_volumes_foreach_local_volumes (GpVolumes *volumes,
+ GpVolumesForeachVolumesFunc foreach_func,
+ gpointer user_data)
+{
+ GList *values;
+ GList *l;
+
+ values = g_hash_table_get_values (volumes->local_volumes);
+
+ for (l = values; l != NULL; l = l->next)
+ foreach_func (volumes, l->data, user_data);
+
+ g_list_free (values);
+}
+
+void
+gp_volumes_foreach_local_mounts (GpVolumes *volumes,
+ GpVolumesForeachMountsFunc foreach_func,
+ gpointer user_data)
+{
+ GList *values;
+ GList *l;
+
+ values = g_hash_table_get_values (volumes->local_mounts);
+
+ for (l = values; l != NULL; l = l->next)
+ foreach_func (volumes, l->data, user_data);
+
+ g_list_free (values);
+}
+
+void
+gp_volumes_foreach_remote_mounts (GpVolumes *volumes,
+ GpVolumesForeachMountsFunc foreach_func,
+ gpointer user_data)
+{
+ GList *values;
+ GList *l;
+
+ values = g_hash_table_get_values (volumes->remote_mounts);
+
+ for (l = values; l != NULL; l = l->next)
+ foreach_func (volumes, l->data, user_data);
+
+ g_list_free (values);
+}
diff --git a/modules/menu/gp-volumes.h b/modules/menu/gp-volumes.h
new file mode 100644
index 0000000..7bd84ef
--- /dev/null
+++ b/modules/menu/gp-volumes.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2018 Alberts Muktupāvels
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GP_VOLUMES_H
+#define GP_VOLUMES_H
+
+#include <gio/gio.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GP_TYPE_VOLUMES (gp_volumes_get_type ())
+G_DECLARE_FINAL_TYPE (GpVolumes, gp_volumes, GP, VOLUMES, GObject)
+
+typedef void (* GpVolumesForeachDrivesFunc) (GpVolumes *volumes,
+ GDrive *drive,
+ gpointer user_data);
+
+
+typedef void (* GpVolumesForeachVolumesFunc) (GpVolumes *volumes,
+ GVolume *volume,
+ gpointer user_data);
+
+typedef void (* GpVolumesForeachMountsFunc) (GpVolumes *volumes,
+ GMount *mount,
+ gpointer user_data);
+
+GpVolumes *gp_volumes_new (void);
+
+guint gp_volumes_get_local_count (GpVolumes *volumes);
+
+guint gp_volumes_get_remote_count (GpVolumes *volumes);
+
+void gp_volumes_foreach_local_drives (GpVolumes *volumes,
+ GpVolumesForeachDrivesFunc foreach_func,
+ gpointer user_data);
+
+void gp_volumes_foreach_local_volumes (GpVolumes *volumes,
+ GpVolumesForeachVolumesFunc foreach_func,
+ gpointer user_data);
+
+void gp_volumes_foreach_local_mounts (GpVolumes *volumes,
+ GpVolumesForeachMountsFunc foreach_func,
+ gpointer user_data);
+
+void gp_volumes_foreach_remote_mounts (GpVolumes *volumes,
+ GpVolumesForeachMountsFunc foreach_func,
+ gpointer user_data);
+
+G_END_DECLS
+
+#endif
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