#include <config.h>
#include <string.h>
+#include "gtkfilechooserprivate.h"
#include "gtkfilesystemmodel.h"
#include "gtkfilesystem.h"
#include "gtkintl.h"
#include "gtkmarshalers.h"
#include "gtktreednd.h"
#include "gtktreemodel.h"
+#include "gtkalias.h"
typedef struct _GtkFileSystemModelClass GtkFileSystemModelClass;
-typedef struct _FileModelNode FileModelNode;
#define GTK_FILE_SYSTEM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_MODEL, GtkFileSystemModelClass))
#define GTK_IS_FILE_SYSTEM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_MODEL))
void (*finished_loading) (GtkFileSystemModel *model);
};
-struct _GtkFileSystemModel
-{
- GObject parent_instance;
-
- GtkFileSystem *file_system;
- GtkFileInfoType types;
- FileModelNode *roots;
- GtkFileFolder *root_folder;
- GtkFilePath *root_path;
-
- GtkFileSystemModelFilter filter_func;
- gpointer filter_data;
- GSList *idle_clears;
- GSource *idle_clear_source;
- GSource *idle_finished_loading_source;
-
- gushort max_depth;
-
- guint show_hidden : 1;
- guint show_folders : 1;
- guint show_files : 1;
- guint folders_only : 1;
- guint has_editable : 1;
-};
-
-struct _FileModelNode
-{
- GtkFilePath *path;
- FileModelNode *next;
-
- GtkFileInfo *info;
- GtkFileFolder *folder;
-
- FileModelNode *children;
- FileModelNode *parent;
- GtkFileSystemModel *model;
-
- guint ref_count;
- guint n_referenced_children;
-
- gushort depth;
-
- guint has_dummy : 1;
- guint is_dummy : 1;
- guint is_visible : 1;
- guint loaded : 1;
- guint idle_clear : 1;
-};
-
-static void gtk_file_system_model_class_init (GtkFileSystemModelClass *class);
static void gtk_file_system_model_iface_init (GtkTreeModelIface *iface);
-static void gtk_file_system_model_init (GtkFileSystemModel *model);
static void gtk_file_system_model_finalize (GObject *object);
+static void gtk_file_system_model_dispose (GObject *object);
static void drag_source_iface_init (GtkTreeDragSourceIface *iface);
static FileModelNode * file_model_node_get_children (GtkFileSystemModel *model,
FileModelNode *node);
-#if 0
-static void roots_changed_callback (GtkFileSystem *file_system,
- GtkFileSystemModel *model);
-#endif
-
static void deleted_callback (GtkFileFolder *folder,
FileModelNode *node);
static void files_added_callback (GtkFileFolder *folder,
GSList *paths,
GtkFileSystemModel *model);
-static GObjectClass *parent_class = NULL;
-
/* Signal IDs */
enum {
FINISHED_LOADING,
\f
-GType
-_gtk_file_system_model_get_type (void)
-{
- static GType file_system_model_type = 0;
-
- if (!file_system_model_type)
- {
- static const GTypeInfo file_system_model_info =
- {
- sizeof (GtkFileSystemModelClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_file_system_model_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GtkFileSystemModel),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gtk_file_system_model_init,
- };
-
- static const GInterfaceInfo file_system_info =
- {
- (GInterfaceInitFunc) gtk_file_system_model_iface_init, /* interface_init */
- NULL, /* interface_finalize */
- NULL /* interface_data */
- };
-
- static const GInterfaceInfo drag_source_info =
- {
- (GInterfaceInitFunc) drag_source_iface_init, /* interface_init */
- NULL, /* interface_finalize */
- NULL /* interface_data */
- };
-
- file_system_model_type = g_type_register_static (G_TYPE_OBJECT,
- "GtkFileSystemModel",
- &file_system_model_info, 0);
- g_type_add_interface_static (file_system_model_type,
- GTK_TYPE_TREE_MODEL,
- &file_system_info);
- g_type_add_interface_static (file_system_model_type,
- GTK_TYPE_TREE_DRAG_SOURCE,
- &drag_source_info);
- }
-
- return file_system_model_type;
-}
+G_DEFINE_TYPE_WITH_CODE (GtkFileSystemModel, _gtk_file_system_model, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
+ gtk_file_system_model_iface_init)
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE,
+ drag_source_iface_init));
static void
-gtk_file_system_model_class_init (GtkFileSystemModelClass *class)
+_gtk_file_system_model_class_init (GtkFileSystemModelClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
- parent_class = g_type_class_peek_parent (class);
-
gobject_class->finalize = gtk_file_system_model_finalize;
+ gobject_class->dispose = gtk_file_system_model_dispose;
file_system_model_signals[FINISHED_LOADING] =
- g_signal_new ("finished-loading",
+ g_signal_new (I_("finished-loading"),
G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkFileSystemModelClass, finished_loading),
}
static void
-gtk_file_system_model_init (GtkFileSystemModel *model)
+_gtk_file_system_model_init (GtkFileSystemModel *model)
{
model->show_files = TRUE;
model->show_folders = TRUE;
if (model->file_system)
g_object_unref (model->file_system);
- if (model->idle_finished_loading_source)
- g_source_destroy (model->idle_finished_loading_source);
-
children = model->roots;
while (children)
{
children = next;
}
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ G_OBJECT_CLASS (_gtk_file_system_model_parent_class)->finalize (object);
+}
+
+
+static void
+gtk_file_system_model_dispose (GObject *object)
+{
+ GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (object);
+
+ if (model->pending_handles)
+ {
+ GSList *l;
+
+ for (l = model->pending_handles; l; l = l->next)
+ gtk_file_system_cancel_operation (l->data);
+ g_slist_free (model->pending_handles);
+ model->pending_handles = NULL;
+ }
+
+ G_OBJECT_CLASS (_gtk_file_system_model_parent_class)->dispose (object);
}
static void
uris = g_strconcat (uri, "\r\n", NULL);
gtk_selection_data_set (selection_data,
- gdk_atom_intern ("text/uri-list", FALSE),
+ gdk_atom_intern_static_string ("text/uri-list"),
8,
uris,
strlen (uris) + 1);
g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0);
}
-/* Emits the "finished-loading" signal as an idle handler; see the comment in
- * _gtk_file_system_model_new()
- */
-static gboolean
-idle_finished_loading_cb (GtkFileSystemModel *model)
+static void
+got_root_folder_cb (GtkFileSystemHandle *handle,
+ GtkFileFolder *folder,
+ const GError *error,
+ gpointer data)
{
- g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0);
+ GSList *roots = NULL;
+ GSList *tmp_list;
+ gboolean cancelled = handle->cancelled;
+ GtkFileSystemModel *model = data;
- g_source_destroy (model->idle_finished_loading_source);
- model->idle_finished_loading_source = NULL;
+ tmp_list = g_slist_find (model->pending_handles, handle);
+ if (!tmp_list)
+ goto out;
- return FALSE;
-}
+ model->pending_handles = g_slist_remove_link (model->pending_handles,
+ tmp_list);
-/* Queues an idle handler to emit the "finished-loading" signal */
-static void
-queue_finished_loading (GtkFileSystemModel *model)
-{
- model->idle_finished_loading_source = g_idle_source_new ();
- g_source_set_closure (model->idle_finished_loading_source,
- g_cclosure_new_object (G_CALLBACK (idle_finished_loading_cb),
- G_OBJECT (model)));
- g_source_attach (model->idle_finished_loading_source, NULL);
+ if (cancelled || !folder)
+ goto out;
+
+ model->root_folder = folder;
+
+ if (gtk_file_folder_is_finished_loading (model->root_folder))
+ g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0);
+ else
+ g_signal_connect_object (model->root_folder, "finished-loading",
+ G_CALLBACK (root_folder_finished_loading_cb), model, 0);
+
+ gtk_file_folder_list_children (model->root_folder, &roots, NULL);
+
+ g_signal_connect_object (model->root_folder, "deleted",
+ G_CALLBACK (root_deleted_callback), model, 0);
+ g_signal_connect_object (model->root_folder, "files-added",
+ G_CALLBACK (root_files_added_callback), model, 0);
+ g_signal_connect_object (model->root_folder, "files-changed",
+ G_CALLBACK (root_files_changed_callback), model, 0);
+ g_signal_connect_object (model->root_folder, "files-removed",
+ G_CALLBACK (root_files_removed_callback), model, 0);
+
+ roots = gtk_file_paths_sort (roots);
+
+ for (tmp_list = roots; tmp_list; tmp_list = tmp_list->next)
+ {
+ FileModelNode *node = file_model_node_new (model, tmp_list->data);
+ gtk_file_path_free (tmp_list->data);
+ node->is_visible = file_model_node_is_visible (model, node);
+ node->next = model->roots;
+ node->depth = 0;
+ model->roots = node;
+
+ if (node->is_visible)
+ {
+ GtkTreeIter iter;
+ GtkTreePath *path;
+
+ iter.user_data = node;
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter);
+ gtk_tree_model_row_inserted (GTK_TREE_MODEL (model), path, &iter);
+ gtk_tree_path_free (path);
+ }
+ }
+ g_slist_free (roots);
+
+ model->roots = (FileModelNode *) g_slist_reverse ((GSList *)model->roots);
+
+out:
+ g_object_unref (model);
+ g_object_unref (handle);
}
/**
* that is desired about the files. This will
* determine what information is returned by
* _gtk_file_system_model_get_info().
+ * @error: location to store error, or %NULL.
*
* Creates a new #GtkFileSystemModel object. The #GtkFileSystemModel
* object wraps a #GtkFileSystem interface as a #GtkTreeModel.
* Using the @root_path and @max_depth parameters, the tree model
* can be restricted to a subportion of the entire file system.
*
- * Return value: the newly created #GtkFileSystemModel object.
+ * Return value: the newly created #GtkFileSystemModel object, or NULL if there
+ * was an error.
**/
GtkFileSystemModel *
_gtk_file_system_model_new (GtkFileSystem *file_system,
const GtkFilePath *root_path,
gint max_depth,
- GtkFileInfoType types)
+ GtkFileInfoType types,
+ GError **error)
{
GtkFileSystemModel *model;
- GSList *roots = NULL;
- GSList *tmp_list;
+ GtkFileSystemHandle *handle;
g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
g_return_val_if_fail (root_path != NULL, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ /* First, start loading the root folder */
+
+ types |= GTK_FILE_INFO_IS_FOLDER | GTK_FILE_INFO_IS_HIDDEN;
+
+ /* Then, actually create the model and the root nodes */
model = g_object_new (GTK_TYPE_FILE_SYSTEM_MODEL, NULL);
model->file_system = g_object_ref (file_system);
model->max_depth = G_MAXUSHORT;
else
model->max_depth = MIN (max_depth, G_MAXUSHORT);
- model->types = types | GTK_FILE_INFO_IS_FOLDER | GTK_FILE_INFO_IS_HIDDEN;
- if (root_path)
- {
- GSList *child_paths;
-
- model->root_path = gtk_file_path_copy (root_path);
- model->root_folder = gtk_file_system_get_folder (file_system, root_path,
- model->types,
- NULL); /* NULL-GError */
+ model->types = types;
+ model->root_folder = NULL;
+ model->root_path = gtk_file_path_copy (root_path);
- if (model->root_folder)
- {
- if (gtk_file_folder_list_children (model->root_folder,
- &child_paths,
- NULL)) /* NULL-GError */
- roots = child_paths;
+ model->roots = NULL;
- if (gtk_file_folder_is_finished_loading (model->root_folder))
- queue_finished_loading (model); /* done in an idle because we are being created */
- else
- g_signal_connect_object (model->root_folder, "finished-loading",
- G_CALLBACK (root_folder_finished_loading_cb), model, 0);
-
- g_signal_connect_object (model->root_folder, "deleted",
- G_CALLBACK (root_deleted_callback), model, 0);
- g_signal_connect_object (model->root_folder, "files-added",
- G_CALLBACK (root_files_added_callback), model, 0);
- g_signal_connect_object (model->root_folder, "files-changed",
- G_CALLBACK (root_files_changed_callback), model, 0);
- g_signal_connect_object (model->root_folder, "files-removed",
- G_CALLBACK (root_files_removed_callback), model, 0);
- }
- }
-#if 0
- else
+ handle = gtk_file_system_get_folder (file_system, root_path, types,
+ got_root_folder_cb,
+ g_object_ref (model));
+ if (!handle)
{
- roots = gtk_file_system_list_roots (file_system);
- g_signal_connect_object (file_system, "roots-changed",
- G_CALLBACK (roots_changed_callback), model, 0);
- }
-#endif
+ /* In this case got_root_folder_cb() will never be called, so we
+ * need to unref model twice.
+ */
+ g_object_unref (model);
+ g_object_unref (model);
- roots = gtk_file_paths_sort (roots);
-
- for (tmp_list = roots; tmp_list; tmp_list = tmp_list->next)
- {
- FileModelNode *node = file_model_node_new (model, tmp_list->data);
- gtk_file_path_free (tmp_list->data);
- node->is_visible = file_model_node_is_visible (model, node);
- node->next = model->roots;
- node->depth = 0;
- model->roots = node;
+ g_set_error (error,
+ GTK_FILE_CHOOSER_ERROR,
+ GTK_FILE_CHOOSER_ERROR_NONEXISTENT,
+ _("Could not obtain root folder"));
+
+ return NULL;
}
- g_slist_free (roots);
- model->roots = (FileModelNode *)g_slist_reverse ((GSList *)model->roots);
-
+ model->pending_handles = g_slist_append (model->pending_handles, handle);
+
return model;
}
return NULL;
}
-
-
-static FileModelNode *
-find_and_ref_path (GtkFileSystemModel *model,
- const GtkFilePath *path,
- GSList **cleanups)
-{
- GtkFilePath *parent_path;
- FileModelNode *parent_node;
- FileModelNode *child_node;
- GtkFileFolder *folder;
-
- if (gtk_file_path_compare (path, model->root_path) == 0
- || !gtk_file_system_get_parent (model->file_system, path, &parent_path, NULL))
- return NULL;
-
- if (parent_path)
- {
- parent_node = find_and_ref_path (model, parent_path, cleanups);
- gtk_file_path_free (parent_path);
- }
- else
- parent_node = NULL;
-
- child_node = find_child_node (model, parent_node, path);
- if (child_node)
- {
- file_model_node_ref (child_node);
- return child_node;
- }
-
- folder = gtk_file_system_get_folder (model->file_system,
- path,
- model->types,
- NULL); /* NULL-GError */
- if (folder)
- {
- *cleanups = g_slist_prepend (*cleanups, folder);
-
- child_node = find_child_node (model, parent_node, path);
- if (child_node)
- {
- file_model_node_ref (child_node);
- return child_node;
- }
- }
-
- if (parent_node)
- unref_node_and_parents (model, parent_node);
-
- return NULL;
-}
/**
* _gtk_file_system_model_set_filter:
model_refilter_all (model);
}
+
+struct RefPathData
+{
+ GtkFileSystemModel *model;
+ FileModelNode *node;
+ FileModelNode *parent_node;
+ GSList *paths;
+ GSList *cleanups;
+ GtkFileSystemModelPathFunc func;
+ gpointer user_data;
+};
+
+/* FIXME: maybe we have to wait on finished-loading? */
+static void
+ref_path_cb (GtkFileSystemHandle *handle,
+ GtkFileFolder *folder,
+ const GError *error,
+ gpointer data)
+{
+ struct RefPathData *info = data;
+ gboolean cancelled = handle->cancelled;
+
+ if (!g_slist_find (info->model->pending_handles, handle))
+ goto out;
+
+ info->model->pending_handles = g_slist_remove (info->model->pending_handles, handle);
+
+ /* Note that !folder means that the child node was already
+ * found, without using get_folder.
+ */
+ if (cancelled || error)
+ goto out;
+
+ if (folder)
+ info->cleanups = g_slist_prepend (info->cleanups, folder);
+ else if (g_slist_length (info->paths) == 1
+ && gtk_file_path_compare (info->node->path, info->paths->data) == 0)
+ {
+ /* Done, now call the function */
+ if (info->node)
+ {
+ GtkTreeIter iter;
+ GtkTreePath *path;
+
+ iter.user_data = info->node;
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (info->model), &iter);
+
+ (* info->func) (info->model, path, &iter, info->user_data);
+
+ gtk_tree_path_free (path);
+ }
+
+ goto out;
+ }
+
+ info->node = find_child_node (info->model, info->parent_node, info->paths->data);
+ if (info->node)
+ file_model_node_ref (info->node);
+ else
+ {
+ goto out;
+ }
+
+ gtk_file_path_free (info->paths->data);
+ info->paths = g_slist_remove (info->paths, info->paths->data);
+
+ if (g_slist_length (info->paths) < 1)
+ {
+ /* Done, now call the function */
+ if (info->node)
+ {
+ GtkTreeIter iter;
+ GtkTreePath *path;
+
+ iter.user_data = info->node;
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (info->model), &iter);
+
+ (* info->func) (info->model, path, &iter, info->user_data);
+
+ gtk_tree_path_free (path);
+ }
+
+ goto out;
+ }
+ else
+ {
+ info->parent_node = info->node;
+
+ if (info->parent_node->loaded)
+ {
+ info->node = find_child_node (info->model, info->parent_node, info->paths->data);
+ ref_path_cb (NULL, NULL, NULL, info);
+ }
+ else
+ {
+ GtkFileSystemHandle *handle;
+
+ handle = gtk_file_system_get_folder (info->model->file_system,
+ info->paths->data,
+ info->model->types,
+ ref_path_cb, data);
+ info->model->pending_handles =
+ g_slist_append (info->model->pending_handles, handle);
+ }
+
+ return;
+ }
+
+out:
+ if (info->node)
+ unref_node_and_parents (info->model, info->node);
+ gtk_file_paths_free (info->paths);
+ g_slist_foreach (info->cleanups, (GFunc)g_object_unref, NULL);
+ g_slist_free (info->cleanups);
+ g_object_unref (info->model);
+ g_free (info);
+
+ g_object_unref (handle);
+}
+
/**
* _gtk_file_system_model_path_do:
* @model: a #GtkFileSystemModel
* then unrefs all the parent nodes.
*
* The reason for doing this operation as a callback
- * is so that if the operation performed with the the
- * path and iter results in referencing the the node
+ * is so that if the operation performed with the
+ * path and iter results in referencing the node
* and/or parent nodes, we don't load all the information
* about the nodes.
*
* Return value: %TRUE if the path was successfully
* found in @model and @func was called.
**/
-gboolean
-_gtk_file_system_model_path_do (GtkFileSystemModel *model,
- const GtkFilePath *path,
- GtkFileSystemModelPathFunc func,
- gpointer user_data)
+void
+_gtk_file_system_model_path_do (GtkFileSystemModel *model,
+ const GtkFilePath *path,
+ GtkFileSystemModelPathFunc func,
+ gpointer user_data)
{
- GSList *cleanups = NULL;
- FileModelNode *node = find_and_ref_path (model, path, &cleanups);
+ GtkFilePath *parent_path;
+ GSList *paths = NULL;
+ FileModelNode *node;
+ struct RefPathData *info;
- if (node)
- {
- GtkTreeIter iter;
- GtkTreePath *path;
+ if (gtk_file_path_compare (path, model->root_path) == 0
+ || !gtk_file_system_get_parent (model->file_system, path, &parent_path, NULL))
+ return;
- iter.user_data = node;
- path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter);
+ paths = g_slist_prepend (paths, gtk_file_path_copy (path));
+ while (gtk_file_path_compare (parent_path, model->root_path) != 0)
+ {
+ paths = g_slist_prepend (paths, parent_path);
+ if (!gtk_file_system_get_parent (model->file_system, parent_path, &parent_path, NULL))
+ {
+ gtk_file_paths_free (paths);
+ return;
+ }
+ }
- (*func) (model, path, &iter, user_data);
+ if (g_slist_length (paths) < 1)
+ return;
- gtk_tree_path_free (path);
- unref_node_and_parents (model, node);
+ /* Now we have all paths, except the root path */
+ node = find_child_node (model, NULL, paths->data);
+ if (!node)
+ {
+ gtk_file_paths_free (paths);
+ return;
}
- g_slist_foreach (cleanups, (GFunc)g_object_unref, NULL);
- g_slist_free (cleanups);
+ file_model_node_ref (node);
- return node != NULL;
+ gtk_file_path_free (paths->data);
+ paths = g_slist_remove (paths, paths->data);
+
+ if (g_slist_length (paths) < 1)
+ {
+ /* Done, now call the function */
+ if (node)
+ {
+ GtkTreeIter iter;
+ GtkTreePath *path;
+
+ iter.user_data = node;
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter);
+
+ (* func) (model, path, &iter, user_data);
+
+ gtk_tree_path_free (path);
+ unref_node_and_parents (model, node);
+ }
+ }
+ else
+ {
+ info = g_new0 (struct RefPathData, 1);
+ info->paths = paths;
+ info->model = g_object_ref (model);
+ info->func = func;
+ info->user_data = user_data;
+ info->node = node;
+
+ if (info->node->loaded)
+ {
+ info->parent_node = info->node;
+ info->node = find_child_node (model, info->parent_node, info->paths->data);
+ ref_path_cb (NULL, NULL, NULL, info);
+ }
+ else
+ {
+ GtkFileSystemHandle *handle;
+
+ handle = gtk_file_system_get_folder (model->file_system,
+ paths->data, model->types,
+ ref_path_cb, info);
+ model->pending_handles = g_slist_append (model->pending_handles, handle);
+ }
+ }
}
/**
node->path,
NULL); /* NULL-GError */
}
-#if 0
else
- {
- node->info = gtk_file_system_get_root_info (model->file_system,
- node->path,
- model->types,
- NULL); /* NULL-GError */
- }
-#endif
+ g_assert_not_reached ();
}
return node->info;
file_model_node_idle_clear (parent);
}
+struct GetChildrenData
+{
+ GtkFileSystemModel *model;
+ FileModelNode *node;
+};
+
+static void
+get_children_get_folder_cb (GtkFileSystemHandle *handle,
+ GtkFileFolder *folder,
+ const GError *error,
+ gpointer callback_data)
+{
+ GSList *child_paths, *tmp_list;
+ gboolean has_children = FALSE;
+ gboolean cancelled = handle->cancelled;
+ struct GetChildrenData *data = callback_data;
+
+ tmp_list = g_slist_find (data->model->pending_handles, handle);
+
+ if (!tmp_list)
+ goto out;
+
+ data->model->pending_handles = g_slist_remove_link (data->model->pending_handles, tmp_list);
+
+ if (cancelled || !folder)
+ {
+ /* error, no folder, remove dummy child */
+ if (data->node->parent && data->node->parent->has_dummy)
+ {
+ data->node->parent->children = NULL;
+ data->node->parent->has_dummy = FALSE;
+ }
+
+ file_model_node_free (data->node);
+
+ goto out;
+ }
+
+ data->node->folder = folder;
+ data->node->load_pending = FALSE;
+
+ if (gtk_file_folder_list_children (folder, &child_paths, NULL)) /* NULL-GError */
+ {
+ child_paths = gtk_file_paths_sort (child_paths);
+
+ for (tmp_list = child_paths; tmp_list; tmp_list = tmp_list->next)
+ {
+ FileModelNode *child_node = file_model_node_new (data->model, tmp_list->data);
+ gtk_file_path_free (tmp_list->data);
+ child_node->next = data->node->children;
+ child_node->parent = data->node;
+ child_node->depth = data->node->depth + 1;
+ child_node->is_visible = file_model_node_is_visible (data->model, child_node);
+
+ if (child_node->is_visible)
+ {
+ GtkTreeIter iter;
+ GtkTreePath *path;
+
+ has_children = TRUE;
+
+ iter.user_data = child_node;
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (data->model), &iter);
+ gtk_tree_model_row_inserted (GTK_TREE_MODEL (data->model), path, &iter);
+ gtk_tree_path_free (path);
+ }
+
+ data->node->children = child_node;
+ }
+ g_slist_free (child_paths);
+ }
+
+ data->node->children = (FileModelNode *)g_slist_reverse ((GSList *)data->node->children);
+
+ g_signal_connect (data->node->folder, "deleted",
+ G_CALLBACK (deleted_callback), data->node);
+ g_signal_connect (data->node->folder, "files-added",
+ G_CALLBACK (files_added_callback), data->node);
+ g_signal_connect (data->node->folder, "files-changed",
+ G_CALLBACK (files_changed_callback), data->node);
+ g_signal_connect (data->node->folder, "files-removed",
+ G_CALLBACK (files_removed_callback), data->node);
+
+ data->node->loaded = TRUE;
+
+ if (!has_children)
+ {
+ /* The hard case ... we claimed this folder had children, but actually
+ * it didn't. We have to add a dummy child, possibly to remove later.
+ */
+ FileModelNode *child_node = file_model_node_new (data->model, NULL);
+ child_node->is_visible = TRUE;
+ child_node->parent = data->node;
+ child_node->is_dummy = TRUE;
+
+ data->node->children = child_node;
+ data->node->has_dummy = TRUE;
+ }
+
+ g_object_set_data (G_OBJECT (data->node->folder), I_("model-node"), data->node);
+
+out:
+ g_object_unref (data->model);
+ g_free (data);
+
+ g_object_unref (handle);
+}
+
static FileModelNode *
file_model_node_get_children (GtkFileSystemModel *model,
FileModelNode *node)
if (node->ref_count == 0)
return NULL;
- if (!node->loaded)
+ if (!node->loaded && !node->load_pending)
{
const GtkFileInfo *info = file_model_node_get_info (model, node);
gboolean has_children = FALSE;
file_model_node_idle_clear_cancel (node);
if (is_folder)
- node->folder = gtk_file_system_get_folder (model->file_system,
- node->path,
- model->types,
- NULL); /* NULL-GError */
-
- if (node->folder)
- {
- GSList *child_paths, *tmp_list;
-
- if (gtk_file_folder_list_children (node->folder, &child_paths, NULL)) /* NULL-GError */
- {
- child_paths = gtk_file_paths_sort (child_paths);
-
- for (tmp_list = child_paths; tmp_list; tmp_list = tmp_list->next)
- {
- FileModelNode *child_node = file_model_node_new (model, tmp_list->data);
- gtk_file_path_free (tmp_list->data);
- child_node->next = node->children;
- child_node->parent = node;
- child_node->depth = node->depth + 1;
- child_node->is_visible = file_model_node_is_visible (model, child_node);
- if (child_node->is_visible)
- has_children = TRUE;
- node->children = child_node;
- }
- g_slist_free (child_paths);
- }
-
- node->children = (FileModelNode *)g_slist_reverse ((GSList *)node->children);
-
- g_signal_connect (node->folder, "deleted",
- G_CALLBACK (deleted_callback), node);
- g_signal_connect (node->folder, "files-added",
- G_CALLBACK (files_added_callback), node);
- g_signal_connect (node->folder, "files-changed",
- G_CALLBACK (files_changed_callback), node);
- g_signal_connect (node->folder, "files-removed",
- G_CALLBACK (files_removed_callback), node);
-
- g_object_set_data (G_OBJECT (node->folder), "model-node", node);
+ {
+ struct GetChildrenData *data;
+ GtkFileSystemHandle *handle;
+
+ data = g_new (struct GetChildrenData, 1);
+ data->model = g_object_ref (model);
+ data->node = node;
+
+ handle =
+ gtk_file_system_get_folder (model->file_system,
+ node->path,
+ model->types,
+ get_children_get_folder_cb,
+ data);
+
+ model->pending_handles = g_slist_append (model->pending_handles, handle);
+ node->load_pending = TRUE;
}
-
+
if (is_folder && !has_children)
{
/* The hard case ... we claimed this folder had children, but actually
node->children = child_node;
node->has_dummy = TRUE;
}
-
- node->loaded = TRUE;
}
return node->children;
if (new->is_visible)
{
iter.user_data = new;
+ gtk_tree_path_free (path);
path = gtk_tree_model_get_path (tree_model, &iter);
gtk_tree_model_row_inserted (tree_model, path, &iter);
{
GtkTreeModel *tree_model = GTK_TREE_MODEL (model);
FileModelNode *children;
- FileModelNode *prev = NULL;
GtkTreeIter iter;
GtkTreePath *path;
GSList *sorted_paths;
if (parent_node && parent_node->has_dummy)
{
- prev = children;
children = children->next;
gtk_tree_path_next (path);
}
while (children &&
(!children->path || gtk_file_path_compare (children->path, file_path) < 0))
{
- prev = children;
if (children->is_visible)
gtk_tree_path_next (path);
g_slist_free (sorted_paths);
}
-#if 0
-static void
-roots_changed_callback (GtkFileSystem *file_system,
- GtkFileSystemModel *model)
-{
- GtkTreeModel *tree_model = GTK_TREE_MODEL (model);
- GSList *new_roots;
- GSList *tmp_list;
- FileModelNode *children;
- FileModelNode *prev = NULL;
- GtkTreePath *path;
-
- new_roots = gtk_file_system_list_roots (file_system);
- new_roots = gtk_file_paths_sort (new_roots);
-
- children = model->roots;
- tmp_list = new_roots;
- path = gtk_tree_path_new ();
- gtk_tree_path_down (path);
-
- while (children || tmp_list)
- {
- FileModelNode *next = NULL;
- int cmp;
-
- if (tmp_list && children)
- cmp = gtk_file_path_compare (children->path, tmp_list->data);
- else if (children)
- cmp = -1;
- else
- cmp = 1;
-
- if (cmp < 0)
- {
- next = children->next;
-
- if (prev)
- prev->next = children->next;
- else
- model->roots = children->next;
-
- if (children->is_visible)
- gtk_tree_model_row_deleted (tree_model, path);
-
- file_model_node_free (children);
- }
- else if (cmp == 0)
- {
- /* Already there
- */
- next = children->next;
- prev = children;
- if (children->is_visible)
- gtk_tree_path_next (path);
- }
- else
- {
- GtkTreeIter iter;
- FileModelNode *node = file_model_node_new (model, tmp_list->data);
- node->is_visible = file_model_node_is_visible (model, node);
- node->next = children;
- node->depth = 0;
-
- if (prev)
- prev->next = node;
- else
- model->roots = node;
-
- if (node->is_visible)
- {
- iter.user_data = node;
- gtk_tree_model_row_inserted (tree_model, path, &iter);
-
- if (gtk_file_system_model_iter_has_child (tree_model, &iter))
- gtk_tree_model_row_has_child_toggled (tree_model, path, &iter);
-
- gtk_tree_path_next (path);
- }
-
- prev = node;
- }
-
- if (cmp <= 0)
- {
- children = next;
- }
-
- if (cmp >= 0)
- {
- gtk_file_path_free (tmp_list->data);
- tmp_list = tmp_list->next;
- }
- }
-
- g_slist_free (new_roots);
- gtk_tree_path_free (path);
-}
-#endif
-
static void
deleted_callback (GtkFileFolder *folder,
FileModelNode *node)
{
do_files_removed (model, NULL, paths);
}
+
+#define __GTK_FILE_SYSTEM_MODEL_C__
+#include "gtkaliasdef.c"