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Diffstat (limited to 'src/nautilus-starred-directory.c')
| -rw-r--r-- | src/nautilus-starred-directory.c | 573 |
1 files changed, 573 insertions, 0 deletions
diff --git a/src/nautilus-starred-directory.c b/src/nautilus-starred-directory.c new file mode 100644 index 0000000..0fedbfb --- /dev/null +++ b/src/nautilus-starred-directory.c @@ -0,0 +1,573 @@ +/* nautilus-starred-directory.c + * + * Copyright (C) 2017 Alexandru Pandelea <alexandru.pandelea@gmail.com> + * + * 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/>. + */ + +#include "nautilus-starred-directory.h" +#include "nautilus-tag-manager.h" +#include "nautilus-file-utilities.h" +#include "nautilus-directory-private.h" +#include <glib/gi18n.h> + +struct _NautilusFavoriteDirectory +{ + NautilusDirectory parent_slot; + + GList *files; + + GList *monitor_list; + GList *callback_list; + GList *pending_callback_list; +}; + +typedef struct +{ + gboolean monitor_hidden_files; + NautilusFileAttributes monitor_attributes; + + gconstpointer client; +} FavoriteMonitor; + +typedef struct +{ + NautilusFavoriteDirectory *starred_directory; + + NautilusDirectoryCallback callback; + gpointer callback_data; + + NautilusFileAttributes wait_for_attributes; + gboolean wait_for_file_list; + GList *file_list; +} FavoriteCallback; + +G_DEFINE_TYPE_WITH_CODE (NautilusFavoriteDirectory, nautilus_starred_directory, NAUTILUS_TYPE_DIRECTORY, + nautilus_ensure_extension_points (); + /* It looks like you’re implementing an extension point. + * Did you modify nautilus_ensure_extension_builtins() accordingly? + * + * • Yes + * • Doing it right now + */ + g_io_extension_point_implement (NAUTILUS_DIRECTORY_PROVIDER_EXTENSION_POINT_NAME, + g_define_type_id, + NAUTILUS_STARRED_DIRECTORY_PROVIDER_NAME, + 0)); + +static void +file_changed (NautilusFile *file, + NautilusFavoriteDirectory *starred) +{ + GList list; + + list.data = file; + list.next = NULL; + + nautilus_directory_emit_files_changed (NAUTILUS_DIRECTORY (starred), &list); +} + +static void +disconnect_and_unmonitor_file (NautilusFile *file, + NautilusFavoriteDirectory *self) +{ + /* Disconnect change handler */ + g_signal_handlers_disconnect_by_func (file, file_changed, self); + + /* Remove monitors */ + for (GList *m = self->monitor_list; m != NULL; m = m->next) + { + nautilus_file_monitor_remove (file, m->data); + } +} + +static void +nautilus_starred_directory_update_files (NautilusFavoriteDirectory *self) +{ + NautilusTagManager *tag_manager = nautilus_tag_manager_get (); + GList *l; + GList *tmp_l; + GList *new_starred_files; + GList *monitor_list; + FavoriteMonitor *monitor; + NautilusFile *file; + GHashTable *uri_table; + GList *files_added; + GList *files_removed; + gchar *uri; + + files_added = NULL; + files_removed = NULL; + + uri_table = g_hash_table_new_full (g_str_hash, + g_str_equal, + (GDestroyNotify) g_free, + NULL); + + for (l = self->files; l != NULL; l = l->next) + { + g_hash_table_add (uri_table, nautilus_file_get_uri (NAUTILUS_FILE (l->data))); + } + + new_starred_files = nautilus_tag_manager_get_starred_files (tag_manager); + + for (l = new_starred_files; l != NULL; l = l->next) + { + if (!g_hash_table_contains (uri_table, l->data)) + { + file = nautilus_file_get_by_uri ((gchar *) l->data); + + for (monitor_list = self->monitor_list; monitor_list; monitor_list = monitor_list->next) + { + monitor = monitor_list->data; + + /* Add monitors */ + nautilus_file_monitor_add (file, monitor, monitor->monitor_attributes); + } + + g_signal_connect (file, "changed", G_CALLBACK (file_changed), self); + + files_added = g_list_prepend (files_added, file); + } + } + + l = self->files; + while (l != NULL) + { + uri = nautilus_file_get_uri (NAUTILUS_FILE (l->data)); + + if (!nautilus_tag_manager_file_is_starred (tag_manager, uri)) + { + files_removed = g_list_prepend (files_removed, + nautilus_file_ref (NAUTILUS_FILE (l->data))); + + disconnect_and_unmonitor_file (NAUTILUS_FILE (l->data), self); + + if (l == self->files) + { + self->files = g_list_delete_link (self->files, l); + l = self->files; + } + else + { + tmp_l = l->prev; + self->files = g_list_delete_link (self->files, l); + l = tmp_l->next; + } + } + else + { + l = l->next; + } + + g_free (uri); + } + + if (files_added) + { + nautilus_directory_emit_files_added (NAUTILUS_DIRECTORY (self), files_added); + + for (l = files_added; l != NULL; l = l->next) + { + self->files = g_list_prepend (self->files, nautilus_file_ref (NAUTILUS_FILE (l->data))); + } + } + + if (files_removed) + { + nautilus_directory_emit_files_changed (NAUTILUS_DIRECTORY (self), files_removed); + } + + nautilus_file_list_free (files_added); + nautilus_file_list_free (files_removed); + g_hash_table_destroy (uri_table); +} + +static void +on_starred_files_changed (NautilusTagManager *tag_manager, + GList *changed_files, + gpointer user_data) +{ + NautilusFavoriteDirectory *self; + + self = NAUTILUS_STARRED_DIRECTORY (user_data); + + nautilus_starred_directory_update_files (self); +} + +static gboolean +real_contains_file (NautilusDirectory *directory, + NautilusFile *file) +{ + g_autofree gchar *uri = NULL; + + uri = nautilus_file_get_uri (file); + + return nautilus_tag_manager_file_is_starred (nautilus_tag_manager_get (), uri); +} + +static gboolean +real_is_editable (NautilusDirectory *directory) +{ + return FALSE; +} + +static void +real_call_when_ready (NautilusDirectory *directory, + NautilusFileAttributes file_attributes, + gboolean wait_for_file_list, + NautilusDirectoryCallback callback, + gpointer callback_data) +{ + GList *file_list; + NautilusFavoriteDirectory *starred; + + starred = NAUTILUS_STARRED_DIRECTORY (directory); + + file_list = nautilus_file_list_copy (starred->files); + + callback (NAUTILUS_DIRECTORY (directory), + file_list, + callback_data); +} + +static gboolean +real_are_all_files_seen (NautilusDirectory *directory) +{ + return TRUE; +} + +static void +real_file_monitor_add (NautilusDirectory *directory, + gconstpointer client, + gboolean monitor_hidden_files, + NautilusFileAttributes file_attributes, + NautilusDirectoryCallback callback, + gpointer callback_data) +{ + GList *list; + FavoriteMonitor *monitor; + NautilusFavoriteDirectory *starred; + NautilusFile *file; + + starred = NAUTILUS_STARRED_DIRECTORY (directory); + + monitor = g_new0 (FavoriteMonitor, 1); + monitor->monitor_hidden_files = monitor_hidden_files; + monitor->monitor_attributes = file_attributes; + monitor->client = client; + + starred->monitor_list = g_list_prepend (starred->monitor_list, monitor); + + if (callback != NULL) + { + (*callback)(directory, starred->files, callback_data); + } + + for (list = starred->files; list != NULL; list = list->next) + { + file = list->data; + + /* Add monitors */ + nautilus_file_monitor_add (file, monitor, file_attributes); + } +} + +static void +starred_monitor_destroy (FavoriteMonitor *monitor, + NautilusFavoriteDirectory *starred) +{ + GList *l; + NautilusFile *file; + + for (l = starred->files; l != NULL; l = l->next) + { + file = l->data; + + nautilus_file_monitor_remove (file, monitor); + } + + g_free (monitor); +} + +static void +real_monitor_remove (NautilusDirectory *directory, + gconstpointer client) +{ + NautilusFavoriteDirectory *starred; + FavoriteMonitor *monitor; + GList *list; + + starred = NAUTILUS_STARRED_DIRECTORY (directory); + + for (list = starred->monitor_list; list != NULL; list = list->next) + { + monitor = list->data; + + if (monitor->client != client) + { + continue; + } + + starred->monitor_list = g_list_delete_link (starred->monitor_list, list); + + starred_monitor_destroy (monitor, starred); + + break; + } +} + +static gboolean +real_handles_location (GFile *location) +{ + g_autofree gchar *uri = NULL; + + uri = g_file_get_uri (location); + + if (eel_uri_is_starred (uri)) + { + return TRUE; + } + + return FALSE; +} + +static FavoriteCallback * +starred_callback_find_pending (NautilusFavoriteDirectory *starred, + NautilusDirectoryCallback callback, + gpointer callback_data) +{ + FavoriteCallback *starred_callback; + GList *list; + + for (list = starred->pending_callback_list; list != NULL; list = list->next) + { + starred_callback = list->data; + + if (starred_callback->callback == callback && + starred_callback->callback_data == callback_data) + { + return starred_callback; + } + } + + return NULL; +} + +static FavoriteCallback * +starred_callback_find (NautilusFavoriteDirectory *starred, + NautilusDirectoryCallback callback, + gpointer callback_data) +{ + FavoriteCallback *starred_callback; + GList *list; + + for (list = starred->callback_list; list != NULL; list = list->next) + { + starred_callback = list->data; + + if (starred_callback->callback == callback && + starred_callback->callback_data == callback_data) + { + return starred_callback; + } + } + + return NULL; +} + +static void +starred_callback_destroy (FavoriteCallback *starred_callback) +{ + nautilus_file_list_free (starred_callback->file_list); + + g_free (starred_callback); +} + +static void +real_cancel_callback (NautilusDirectory *directory, + NautilusDirectoryCallback callback, + gpointer callback_data) +{ + NautilusFavoriteDirectory *starred; + FavoriteCallback *starred_callback; + + starred = NAUTILUS_STARRED_DIRECTORY (directory); + starred_callback = starred_callback_find (starred, callback, callback_data); + + if (starred_callback) + { + starred->callback_list = g_list_remove (starred->callback_list, starred_callback); + + starred_callback_destroy (starred_callback); + + return; + } + + /* Check for a pending callback */ + starred_callback = starred_callback_find_pending (starred, callback, callback_data); + + if (starred_callback) + { + starred->pending_callback_list = g_list_remove (starred->pending_callback_list, starred_callback); + + starred_callback_destroy (starred_callback); + } +} + +static GList * +real_get_file_list (NautilusDirectory *directory) +{ + NautilusFavoriteDirectory *starred; + + starred = NAUTILUS_STARRED_DIRECTORY (directory); + + return nautilus_file_list_copy (starred->files); +} + +static void +nautilus_starred_directory_set_files (NautilusFavoriteDirectory *self) +{ + GList *starred_files; + NautilusFile *file; + GList *l; + GList *file_list; + FavoriteMonitor *monitor; + GList *monitor_list; + + file_list = NULL; + + starred_files = nautilus_tag_manager_get_starred_files (nautilus_tag_manager_get ()); + + for (l = starred_files; l != NULL; l = l->next) + { + file = nautilus_file_get_by_uri ((gchar *) l->data); + + g_signal_connect (file, "changed", G_CALLBACK (file_changed), self); + + for (monitor_list = self->monitor_list; monitor_list; monitor_list = monitor_list->next) + { + monitor = monitor_list->data; + + /* Add monitors */ + nautilus_file_monitor_add (file, monitor, monitor->monitor_attributes); + } + + file_list = g_list_prepend (file_list, file); + } + + nautilus_directory_emit_files_added (NAUTILUS_DIRECTORY (self), file_list); + + self->files = file_list; +} + +static void +real_force_reload (NautilusDirectory *directory) +{ + NautilusFavoriteDirectory *self = NAUTILUS_STARRED_DIRECTORY (directory); + + /* Unset current file list */ + g_list_foreach (self->files, (GFunc) disconnect_and_unmonitor_file, self); + g_clear_list (&self->files, g_object_unref); + + /* Set a fresh file list */ + nautilus_starred_directory_set_files (self); +} + +static void +nautilus_starred_directory_finalize (GObject *object) +{ + NautilusFavoriteDirectory *self; + + self = NAUTILUS_STARRED_DIRECTORY (object); + + g_signal_handlers_disconnect_by_func (nautilus_tag_manager_get (), + on_starred_files_changed, + self); + + nautilus_file_list_free (self->files); + + G_OBJECT_CLASS (nautilus_starred_directory_parent_class)->finalize (object); +} + +static void +nautilus_starred_directory_dispose (GObject *object) +{ + NautilusFavoriteDirectory *starred; + GList *l; + + starred = NAUTILUS_STARRED_DIRECTORY (object); + + /* Remove file connections */ + g_list_foreach (starred->files, (GFunc) disconnect_and_unmonitor_file, starred); + + /* Remove search monitors */ + if (starred->monitor_list) + { + for (l = starred->monitor_list; l != NULL; l = l->next) + { + starred_monitor_destroy ((FavoriteMonitor *) l->data, starred); + } + + g_list_free (starred->monitor_list); + starred->monitor_list = NULL; + } + + G_OBJECT_CLASS (nautilus_starred_directory_parent_class)->dispose (object); +} + +static void +nautilus_starred_directory_class_init (NautilusFavoriteDirectoryClass *klass) +{ + GObjectClass *oclass; + NautilusDirectoryClass *directory_class; + + oclass = G_OBJECT_CLASS (klass); + directory_class = NAUTILUS_DIRECTORY_CLASS (klass); + + oclass->finalize = nautilus_starred_directory_finalize; + oclass->dispose = nautilus_starred_directory_dispose; + + directory_class->handles_location = real_handles_location; + directory_class->contains_file = real_contains_file; + directory_class->is_editable = real_is_editable; + directory_class->force_reload = real_force_reload; + directory_class->call_when_ready = real_call_when_ready; + directory_class->are_all_files_seen = real_are_all_files_seen; + directory_class->file_monitor_add = real_file_monitor_add; + directory_class->file_monitor_remove = real_monitor_remove; + directory_class->cancel_callback = real_cancel_callback; + directory_class->get_file_list = real_get_file_list; +} + +NautilusFavoriteDirectory * +nautilus_starred_directory_new (void) +{ + NautilusFavoriteDirectory *self; + + self = g_object_new (NAUTILUS_TYPE_STARRED_DIRECTORY, NULL); + + return self; +} + +static void +nautilus_starred_directory_init (NautilusFavoriteDirectory *self) +{ + g_signal_connect (nautilus_tag_manager_get (), + "starred-changed", + (GCallback) on_starred_files_changed, + self); + + nautilus_starred_directory_set_files (self); +} |