Example #1
0
void
nautilus_directory_notify_files_added_by_uri (GList *uris)
{
	GList *files;

	files = nautilus_file_list_from_uris (uris);
	nautilus_directory_notify_files_added (files);
	g_list_free_full (files, g_object_unref);
}
Example #2
0
void
nautilus_directory_notify_files_moved (GList *file_pairs)
{
	GList *p, *affected_files, *node;
	GFilePair *pair;
	NautilusFile *file;
	NautilusDirectory *old_directory, *new_directory;
	GHashTable *parent_directories;
	GList *new_files_list, *unref_list;
	GHashTable *added_lists, *changed_lists;
	char *name;
	NautilusFileAttributes cancel_attributes;
	GFile *to_location, *from_location;
	
	/* Make a list of added and changed files in each directory. */
	new_files_list = NULL;
	added_lists = g_hash_table_new (NULL, NULL);
	changed_lists = g_hash_table_new (NULL, NULL);
	unref_list = NULL;

	/* Make a list of parent directories that will need their counts updated. */
	parent_directories = g_hash_table_new (NULL, NULL);

	cancel_attributes = nautilus_file_get_all_attributes ();

	for (p = file_pairs; p != NULL; p = p->next) {
		pair = p->data;
		from_location = pair->from;
		to_location = pair->to;

		/* Handle overwriting a file. */
		file = nautilus_file_get_existing (to_location);
		if (file != NULL) {
			/* Mark it gone and prepare to send the changed signal. */
			nautilus_file_mark_gone (file);
			new_directory = file->details->directory;
			hash_table_list_prepend (changed_lists,
						 new_directory,
						 file);
			collect_parent_directories (parent_directories,
						    new_directory);
		}

		/* Update any directory objects that are affected. */
		affected_files = nautilus_directory_moved_internal (from_location,
								    to_location);
		for (node = affected_files; node != NULL; node = node->next) {
			file = NAUTILUS_FILE (node->data);
			hash_table_list_prepend (changed_lists,
						 file->details->directory,
						 file);
		}
		unref_list = g_list_concat (unref_list, affected_files);

		/* Move an existing file. */
		file = nautilus_file_get_existing (from_location);
		if (file == NULL) {
			/* Handle this as if it was a new file. */
			new_files_list = g_list_prepend (new_files_list,
							 to_location);
		} else {
			/* Handle notification in the old directory. */
			old_directory = file->details->directory;
			collect_parent_directories (parent_directories, old_directory);

			/* Cancel loading of attributes in the old directory */
			nautilus_directory_cancel_loading_file_attributes
				(old_directory, file, cancel_attributes);

			/* Locate the new directory. */
			new_directory = get_parent_directory (to_location);
			collect_parent_directories (parent_directories, new_directory);
			/* We can unref now -- new_directory is in the
			 * parent directories list so it will be
			 * around until the end of this function
			 * anyway.
			 */
			nautilus_directory_unref (new_directory);

			/* Update the file's name and directory. */
			name = g_file_get_basename (to_location);
			nautilus_file_update_name_and_directory 
				(file, name, new_directory);
			g_free (name);

			/* Update file attributes */
			nautilus_file_invalidate_attributes (file, NAUTILUS_FILE_ATTRIBUTE_INFO);

			hash_table_list_prepend (changed_lists,
						 old_directory,
						 file);
			if (old_directory != new_directory) {
				hash_table_list_prepend	(added_lists,
							 new_directory,
							 file);
			}

			/* Unref each file once to balance out nautilus_file_get_by_uri. */
			unref_list = g_list_prepend (unref_list, file);
		}
	}

	/* Now send out the changed and added signals for existing file objects. */
	g_hash_table_foreach (changed_lists, call_files_changed_free_list, NULL);
	g_hash_table_destroy (changed_lists);
	g_hash_table_foreach (added_lists, call_files_added_free_list, NULL);
	g_hash_table_destroy (added_lists);

	/* Let the file objects go. */
	nautilus_file_list_free (unref_list);

	/* Invalidate count for each parent directory. */
	g_hash_table_foreach (parent_directories, invalidate_count_and_unref, NULL);
	g_hash_table_destroy (parent_directories);

	/* Separate handling for brand new file objects. */
	nautilus_directory_notify_files_added (new_files_list);
	g_list_free (new_files_list);
}
/* go through changes in the change queue, send ones with the same kind
 * in a list to the different nautilus_directory_notify calls
 */ 
void
nautilus_file_changes_consume_changes (gboolean consume_all)
{
	NautilusFileChange *change;
	GList *additions, *changes, *deletions, *moves;
	GList *metadata_copy_requests, *metadata_move_requests, *metadata_remove_requests;
	GList *position_set_requests;
	GFilePair *pair;
	NautilusFileChangesQueuePosition *position_set;
	guint chunk_count;
	NautilusFileChangesQueue *queue;
	gboolean flush_needed;
	

	additions = NULL;
	changes = NULL;
	deletions = NULL;
	moves = NULL;
	metadata_copy_requests = NULL;
	metadata_move_requests = NULL;
	metadata_remove_requests = NULL;
	position_set_requests = NULL;

	queue = nautilus_file_changes_queue_get();
		
	/* Consume changes from the queue, stuffing them into one of three lists,
	 * keep doing it while the changes are of the same kind, then send them off.
	 * This is to ensure that the changes get sent off in the same order that they 
	 * arrived.
	 */
	for (chunk_count = 0; ; chunk_count++) {
		change = nautilus_file_changes_queue_get_change (queue);

		/* figure out if we need to flush the pending changes that we collected sofar */

		if (change == NULL) {
			flush_needed = TRUE;
			/* no changes left, flush everything */
		} else {
			flush_needed = additions != NULL
				&& change->kind != CHANGE_FILE_ADDED
				&& change->kind != CHANGE_METADATA_COPIED
				&& change->kind != CHANGE_POSITION_SET
				&& change->kind != CHANGE_POSITION_REMOVE;
			
			flush_needed |= changes != NULL
				&& change->kind != CHANGE_FILE_CHANGED;
			
			flush_needed |= moves != NULL
				&& change->kind != CHANGE_FILE_MOVED
				&& change->kind != CHANGE_METADATA_MOVED
				&& change->kind != CHANGE_POSITION_SET
				&& change->kind != CHANGE_POSITION_REMOVE;
			
			flush_needed |= deletions != NULL
				&& change->kind != CHANGE_FILE_REMOVED
				&& change->kind != CHANGE_METADATA_REMOVED;
			
			flush_needed |= metadata_copy_requests != NULL
				&& change->kind != CHANGE_FILE_ADDED
				&& change->kind != CHANGE_METADATA_COPIED
				&& change->kind != CHANGE_POSITION_SET
				&& change->kind != CHANGE_POSITION_REMOVE;
			
			flush_needed |= metadata_move_requests != NULL
				&& change->kind != CHANGE_FILE_MOVED
				&& change->kind != CHANGE_METADATA_MOVED
				&& change->kind != CHANGE_POSITION_SET
				&& change->kind != CHANGE_POSITION_REMOVE;
			
			flush_needed |= metadata_remove_requests != NULL
				&& change->kind != CHANGE_FILE_REMOVED
				&& change->kind != CHANGE_METADATA_REMOVED;
	
			flush_needed |= position_set_requests != NULL
				&& change->kind != CHANGE_POSITION_SET
				&& change->kind != CHANGE_POSITION_REMOVE
				&& change->kind != CHANGE_FILE_ADDED
				&& change->kind != CHANGE_FILE_MOVED
				&& change->kind != CHANGE_METADATA_COPIED
				&& change->kind != CHANGE_METADATA_MOVED;
			
			flush_needed |= !consume_all && chunk_count >= CONSUME_CHANGES_MAX_CHUNK;
				/* we have reached the chunk maximum */
		}
		
		if (flush_needed) {
			/* Send changes we collected off. 
			 * At one time we may only have one of the lists
			 * contain changes.
			 */
			
			if (deletions != NULL) {
				deletions = g_list_reverse (deletions);
				nautilus_directory_notify_files_removed (deletions);
				eel_g_object_list_free (deletions);
				deletions = NULL;
			}
			if (moves != NULL) {
				moves = g_list_reverse (moves);
				nautilus_directory_notify_files_moved (moves);
				pairs_list_free (moves);
				moves = NULL;
			}
			if (additions != NULL) {
				additions = g_list_reverse (additions);
				nautilus_directory_notify_files_added (additions);
				eel_g_object_list_free (additions);
				additions = NULL;
			}
			if (changes != NULL) {
				changes = g_list_reverse (changes);
				nautilus_directory_notify_files_changed (changes);
				eel_g_object_list_free (changes);
				changes = NULL;
			}
			if (metadata_copy_requests != NULL) {
				metadata_copy_requests = g_list_reverse (metadata_copy_requests);
				nautilus_directory_schedule_metadata_copy (metadata_copy_requests);
				pairs_list_free (metadata_copy_requests);
				metadata_copy_requests = NULL;
			}
			if (metadata_move_requests != NULL) {
				metadata_move_requests = g_list_reverse (metadata_move_requests);
				nautilus_directory_schedule_metadata_move (metadata_move_requests);
				pairs_list_free (metadata_move_requests);
				metadata_move_requests = NULL;
			}
			if (metadata_remove_requests != NULL) {
				metadata_remove_requests = g_list_reverse (metadata_remove_requests);
				nautilus_directory_schedule_metadata_remove (metadata_remove_requests);
				eel_g_object_list_free (metadata_remove_requests);
				metadata_remove_requests = NULL;
			}
			if (position_set_requests != NULL) {
				position_set_requests = g_list_reverse (position_set_requests);
				nautilus_directory_schedule_position_set (position_set_requests);
				position_set_list_free (position_set_requests);
				position_set_requests = NULL;
			}
		}

		if (change == NULL) {
			/* we are done */
			return;
		}
		
		/* add the new change to the list */
		switch (change->kind) {
		case CHANGE_FILE_ADDED:
			additions = g_list_prepend (additions, change->from);
			break;

		case CHANGE_FILE_CHANGED:
			changes = g_list_prepend (changes, change->from);
			break;

		case CHANGE_FILE_REMOVED:
			deletions = g_list_prepend (deletions, change->from);
			break;

		case CHANGE_FILE_MOVED:
			pair = g_new (GFilePair, 1);
			pair->from = change->from;
			pair->to = change->to;
			moves = g_list_prepend (moves, pair);
			break;

		case CHANGE_METADATA_COPIED:
			pair = g_new (GFilePair, 1);
			pair->from = change->from;
			pair->to = change->to;
			metadata_copy_requests = g_list_prepend (metadata_copy_requests, pair);
			break;

		case CHANGE_METADATA_MOVED:
			pair = g_new (GFilePair, 1);
			pair->from = change->from;
			pair->to = change->to;
			metadata_move_requests = g_list_prepend (metadata_move_requests, pair);
			break;

		case CHANGE_METADATA_REMOVED:
			metadata_remove_requests = g_list_prepend (metadata_remove_requests, 
				change->from);
			break;

		case CHANGE_POSITION_SET:
			position_set = g_new (NautilusFileChangesQueuePosition, 1);
			position_set->location = change->from;
			position_set->set = TRUE;
			position_set->point = change->point;
			position_set->screen = change->screen;
			position_set_requests = g_list_prepend (position_set_requests,
								position_set);
			break;

		case CHANGE_POSITION_REMOVE:
			position_set = g_new (NautilusFileChangesQueuePosition, 1);
			position_set->location = change->from;
			position_set->set = FALSE;
			position_set_requests = g_list_prepend (position_set_requests,
								position_set);
			break;

		default:
			g_assert_not_reached ();
			break;
		}

		g_free (change);
	}	
}