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Diffstat (limited to 'src/nautilus-list-model.c')
| -rw-r--r-- | src/nautilus-list-model.c | 1866 |
1 files changed, 1866 insertions, 0 deletions
diff --git a/src/nautilus-list-model.c b/src/nautilus-list-model.c new file mode 100644 index 0000000..e700669 --- /dev/null +++ b/src/nautilus-list-model.c @@ -0,0 +1,1866 @@ +/* fm-list-model.h - a GtkTreeModel for file lists. + * + * Copyright (C) 2001, 2002 Anders Carlsson + * Copyright (C) 2003, Soeren Sandmann + * Copyright (C) 2004, Novell, Inc. + * + * The Gnome Library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * The Gnome Library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the Gnome Library; see the file COPYING.LIB. If not, + * see <http://www.gnu.org/licenses/>. + * + * Authors: Anders Carlsson <andersca@gnu.org>, Soeren Sandmann (sandmann@daimi.au.dk), Dave Camp <dave@ximian.com> + */ + +#include <config.h> + +#include "nautilus-list-model.h" + +#include <string.h> +#include <glib.h> +#include <glib/gi18n.h> +#include <gtk/gtk.h> +#include <cairo-gobject.h> + +#include <eel/eel-graphic-effects.h> +#include "nautilus-dnd.h" + +enum +{ + SUBDIRECTORY_UNLOADED, + GET_ICON_SCALE, + LAST_SIGNAL +}; + +static GQuark attribute_name_q, + attribute_modification_date_q, + attribute_date_modified_q; + +/* msec delay after Loading... dummy row turns into (empty) */ +#define LOADING_TO_EMPTY_DELAY 100 + +static guint list_model_signals[LAST_SIGNAL] = { 0 }; + +static int nautilus_list_model_file_entry_compare_func (gconstpointer a, + gconstpointer b, + gpointer user_data); +static void nautilus_list_model_tree_model_init (GtkTreeModelIface *iface); +static void nautilus_list_model_sortable_init (GtkTreeSortableIface *iface); + +typedef struct +{ + GSequence *files; + GHashTable *directory_reverse_map; /* map from directory to GSequenceIter's */ + GHashTable *top_reverse_map; /* map from files in top dir to GSequenceIter's */ + + int stamp; + + GQuark sort_attribute; + GtkSortType order; + + gboolean sort_directories_first; + + GtkTreeView *drag_view; + int drag_begin_x; + int drag_begin_y; + + GPtrArray *columns; + + GList *highlight_files; +} NautilusListModelPrivate; + +typedef struct +{ + NautilusListModel *model; + + GList *path_list; +} DragDataGetInfo; + +typedef struct FileEntry FileEntry; + +struct FileEntry +{ + NautilusFile *file; + GHashTable *reverse_map; /* map from files to GSequenceIter's */ + NautilusDirectory *subdirectory; + FileEntry *parent; + GSequence *files; + GSequenceIter *ptr; + guint loaded : 1; +}; + +G_DEFINE_TYPE_WITH_CODE (NautilusListModel, nautilus_list_model, G_TYPE_OBJECT, + G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL, + nautilus_list_model_tree_model_init) + G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_SORTABLE, + nautilus_list_model_sortable_init) + G_ADD_PRIVATE (NautilusListModel)); + +static const GtkTargetEntry drag_types [] = +{ + { NAUTILUS_ICON_DND_GNOME_ICON_LIST_TYPE, 0, NAUTILUS_ICON_DND_GNOME_ICON_LIST }, + { NAUTILUS_ICON_DND_URI_LIST_TYPE, 0, NAUTILUS_ICON_DND_URI_LIST }, +}; + +static void +file_entry_free (FileEntry *file_entry) +{ + nautilus_file_unref (file_entry->file); + if (file_entry->reverse_map) + { + g_hash_table_destroy (file_entry->reverse_map); + file_entry->reverse_map = NULL; + } + if (file_entry->subdirectory != NULL) + { + nautilus_directory_unref (file_entry->subdirectory); + } + if (file_entry->files != NULL) + { + g_sequence_free (file_entry->files); + } + g_free (file_entry); +} + +static GtkTreeModelFlags +nautilus_list_model_get_flags (GtkTreeModel *tree_model) +{ + return GTK_TREE_MODEL_ITERS_PERSIST; +} + +static int +nautilus_list_model_get_n_columns (GtkTreeModel *tree_model) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (NAUTILUS_LIST_MODEL (tree_model)); + + return NAUTILUS_LIST_MODEL_NUM_COLUMNS + priv->columns->len; +} + +static GType +nautilus_list_model_get_column_type (GtkTreeModel *tree_model, + int index) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + switch (index) + { + case NAUTILUS_LIST_MODEL_FILE_COLUMN: + { + return NAUTILUS_TYPE_FILE; + } + + case NAUTILUS_LIST_MODEL_SUBDIRECTORY_COLUMN: + { + return NAUTILUS_TYPE_DIRECTORY; + } + + case NAUTILUS_LIST_MODEL_SMALL_ICON_COLUMN: + case NAUTILUS_LIST_MODEL_STANDARD_ICON_COLUMN: + case NAUTILUS_LIST_MODEL_LARGE_ICON_COLUMN: + case NAUTILUS_LIST_MODEL_LARGER_ICON_COLUMN: + { + return CAIRO_GOBJECT_TYPE_SURFACE; + } + + case NAUTILUS_LIST_MODEL_FILE_NAME_IS_EDITABLE_COLUMN: + { + return G_TYPE_BOOLEAN; + } + + default: + if (index < NAUTILUS_LIST_MODEL_NUM_COLUMNS + priv->columns->len) + { + return G_TYPE_STRING; + } + else + { + return G_TYPE_INVALID; + } + } +} + +static void +nautilus_list_model_ptr_to_iter (NautilusListModel *model, + GSequenceIter *ptr, + GtkTreeIter *iter) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + g_assert (!g_sequence_iter_is_end (ptr)); + + if (iter != NULL) + { + iter->stamp = priv->stamp; + iter->user_data = ptr; + } +} + +static gboolean +nautilus_list_model_get_iter (GtkTreeModel *tree_model, + GtkTreeIter *iter, + GtkTreePath *path) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + GSequence *files; + GSequenceIter *ptr; + FileEntry *file_entry; + int i, d; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + ptr = NULL; + + files = priv->files; + for (d = 0; d < gtk_tree_path_get_depth (path); d++) + { + i = gtk_tree_path_get_indices (path)[d]; + + if (files == NULL || i >= g_sequence_get_length (files)) + { + return FALSE; + } + + ptr = g_sequence_get_iter_at_pos (files, i); + file_entry = g_sequence_get (ptr); + files = file_entry->files; + } + + nautilus_list_model_ptr_to_iter (model, ptr, iter); + + return TRUE; +} + +static GtkTreePath * +nautilus_list_model_get_path (GtkTreeModel *tree_model, + GtkTreeIter *iter) +{ + GtkTreePath *path; + NautilusListModel *model; + NautilusListModelPrivate *priv; + GSequenceIter *ptr; + FileEntry *file_entry; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + g_return_val_if_fail (iter->stamp == priv->stamp, NULL); + + if (g_sequence_iter_is_end (iter->user_data)) + { + /* FIXME is this right? */ + return NULL; + } + + path = gtk_tree_path_new (); + ptr = iter->user_data; + while (ptr != NULL) + { + gtk_tree_path_prepend_index (path, g_sequence_iter_get_position (ptr)); + file_entry = g_sequence_get (ptr); + if (file_entry->parent != NULL) + { + ptr = file_entry->parent->ptr; + } + else + { + ptr = NULL; + } + } + + return path; +} + +static gint +nautilus_list_model_get_icon_scale (NautilusListModel *model) +{ + gint retval = -1; + + g_signal_emit (model, list_model_signals[GET_ICON_SCALE], 0, + &retval); + + if (retval == -1) + { + retval = gdk_monitor_get_scale_factor (gdk_display_get_monitor (gdk_display_get_default (), 0)); + } + + return retval; +} + +guint +nautilus_list_model_get_icon_size_for_zoom_level (NautilusListZoomLevel zoom_level) +{ + switch (zoom_level) + { + case NAUTILUS_LIST_ZOOM_LEVEL_SMALL: + { + return NAUTILUS_LIST_ICON_SIZE_SMALL; + } + + case NAUTILUS_LIST_ZOOM_LEVEL_STANDARD: + { + return NAUTILUS_LIST_ICON_SIZE_STANDARD; + } + + case NAUTILUS_LIST_ZOOM_LEVEL_LARGE: + { + return NAUTILUS_LIST_ICON_SIZE_LARGE; + } + + case NAUTILUS_LIST_ZOOM_LEVEL_LARGER: + return NAUTILUS_LIST_ICON_SIZE_LARGER; + } + g_return_val_if_reached (NAUTILUS_LIST_ICON_SIZE_STANDARD); +} + +static void +nautilus_list_model_get_value (GtkTreeModel *tree_model, + GtkTreeIter *iter, + int column, + GValue *value) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + FileEntry *file_entry; + NautilusFile *file; + char *str; + GdkPixbuf *icon, *rendered_icon; + int icon_size, icon_scale; + NautilusListZoomLevel zoom_level; + NautilusFileIconFlags flags; + cairo_surface_t *surface; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + g_return_if_fail (priv->stamp == iter->stamp); + g_return_if_fail (!g_sequence_iter_is_end (iter->user_data)); + + file_entry = g_sequence_get (iter->user_data); + file = file_entry->file; + + switch (column) + { + case NAUTILUS_LIST_MODEL_FILE_COLUMN: + { + g_value_init (value, NAUTILUS_TYPE_FILE); + + g_value_set_object (value, file); + } + break; + + case NAUTILUS_LIST_MODEL_SUBDIRECTORY_COLUMN: + { + g_value_init (value, NAUTILUS_TYPE_DIRECTORY); + + g_value_set_object (value, file_entry->subdirectory); + } + break; + + case NAUTILUS_LIST_MODEL_SMALL_ICON_COLUMN: + case NAUTILUS_LIST_MODEL_STANDARD_ICON_COLUMN: + case NAUTILUS_LIST_MODEL_LARGE_ICON_COLUMN: + case NAUTILUS_LIST_MODEL_LARGER_ICON_COLUMN: + { + g_value_init (value, CAIRO_GOBJECT_TYPE_SURFACE); + + if (file != NULL) + { + zoom_level = nautilus_list_model_get_zoom_level_from_column_id (column); + icon_size = nautilus_list_model_get_icon_size_for_zoom_level (zoom_level); + icon_scale = nautilus_list_model_get_icon_scale (model); + + flags = NAUTILUS_FILE_ICON_FLAGS_USE_THUMBNAILS | + NAUTILUS_FILE_ICON_FLAGS_FORCE_THUMBNAIL_SIZE | + NAUTILUS_FILE_ICON_FLAGS_USE_EMBLEMS | + NAUTILUS_FILE_ICON_FLAGS_USE_ONE_EMBLEM; + + if (priv->drag_view != NULL) + { + GtkTreePath *path_a, *path_b; + + gtk_tree_view_get_drag_dest_row (priv->drag_view, + &path_a, + NULL); + if (path_a != NULL) + { + path_b = gtk_tree_model_get_path (tree_model, iter); + + if (gtk_tree_path_compare (path_a, path_b) == 0) + { + flags |= NAUTILUS_FILE_ICON_FLAGS_FOR_DRAG_ACCEPT; + } + + gtk_tree_path_free (path_a); + gtk_tree_path_free (path_b); + } + } + + icon = nautilus_file_get_icon_pixbuf (file, icon_size, TRUE, icon_scale, flags); + + if (priv->highlight_files != NULL && + g_list_find_custom (priv->highlight_files, + file, (GCompareFunc) nautilus_file_compare_location)) + { + rendered_icon = eel_create_spotlight_pixbuf (icon); + + if (rendered_icon != NULL) + { + g_object_unref (icon); + icon = rendered_icon; + } + } + + surface = gdk_cairo_surface_create_from_pixbuf (icon, icon_scale, NULL); + g_value_take_boxed (value, surface); + g_object_unref (icon); + } + } + break; + + case NAUTILUS_LIST_MODEL_FILE_NAME_IS_EDITABLE_COLUMN: + { + g_value_init (value, G_TYPE_BOOLEAN); + + g_value_set_boolean (value, file != NULL && nautilus_file_can_rename (file)); + } + break; + + default: + if (column >= NAUTILUS_LIST_MODEL_NUM_COLUMNS && column < NAUTILUS_LIST_MODEL_NUM_COLUMNS + priv->columns->len) + { + NautilusColumn *nautilus_column; + GQuark attribute; + nautilus_column = priv->columns->pdata[column - NAUTILUS_LIST_MODEL_NUM_COLUMNS]; + + g_value_init (value, G_TYPE_STRING); + g_object_get (nautilus_column, + "attribute_q", &attribute, + NULL); + if (file != NULL) + { + str = nautilus_file_get_string_attribute_with_default_q (file, + attribute); + g_value_take_string (value, str); + } + else if (attribute == attribute_name_q) + { + if (file_entry->parent->loaded) + { + g_value_set_string (value, _("(Empty)")); + } + else + { + g_value_set_string (value, _("Loading…")); + } + } + } + else + { + g_assert_not_reached (); + } + } +} + +static gboolean +nautilus_list_model_iter_next (GtkTreeModel *tree_model, + GtkTreeIter *iter) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + g_return_val_if_fail (priv->stamp == iter->stamp, FALSE); + + iter->user_data = g_sequence_iter_next (iter->user_data); + + return !g_sequence_iter_is_end (iter->user_data); +} + +static gboolean +nautilus_list_model_iter_children (GtkTreeModel *tree_model, + GtkTreeIter *iter, + GtkTreeIter *parent) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + GSequence *files; + FileEntry *file_entry; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + if (parent == NULL) + { + files = priv->files; + } + else + { + file_entry = g_sequence_get (parent->user_data); + files = file_entry->files; + } + + if (files == NULL || g_sequence_get_length (files) == 0) + { + return FALSE; + } + + iter->stamp = priv->stamp; + iter->user_data = g_sequence_get_begin_iter (files); + + return TRUE; +} + +static gboolean +nautilus_list_model_iter_has_child (GtkTreeModel *tree_model, + GtkTreeIter *iter) +{ + FileEntry *file_entry; + + if (iter == NULL) + { + return !nautilus_list_model_is_empty (NAUTILUS_LIST_MODEL (tree_model)); + } + + file_entry = g_sequence_get (iter->user_data); + + return (file_entry->files != NULL && g_sequence_get_length (file_entry->files) > 0); +} + +static int +nautilus_list_model_iter_n_children (GtkTreeModel *tree_model, + GtkTreeIter *iter) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + GSequence *files; + FileEntry *file_entry; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + if (iter == NULL) + { + files = priv->files; + } + else + { + file_entry = g_sequence_get (iter->user_data); + files = file_entry->files; + } + + return g_sequence_get_length (files); +} + +static gboolean +nautilus_list_model_iter_nth_child (GtkTreeModel *tree_model, + GtkTreeIter *iter, + GtkTreeIter *parent, + int n) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + GSequenceIter *child; + GSequence *files; + FileEntry *file_entry; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + if (parent != NULL) + { + file_entry = g_sequence_get (parent->user_data); + files = file_entry->files; + } + else + { + files = priv->files; + } + + child = g_sequence_get_iter_at_pos (files, n); + + if (g_sequence_iter_is_end (child)) + { + return FALSE; + } + + iter->stamp = priv->stamp; + iter->user_data = child; + + return TRUE; +} + +static gboolean +nautilus_list_model_iter_parent (GtkTreeModel *tree_model, + GtkTreeIter *iter, + GtkTreeIter *child) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + FileEntry *file_entry; + + model = NAUTILUS_LIST_MODEL (tree_model); + priv = nautilus_list_model_get_instance_private (model); + + file_entry = g_sequence_get (child->user_data); + + if (file_entry->parent == NULL) + { + return FALSE; + } + + iter->stamp = priv->stamp; + iter->user_data = file_entry->parent->ptr; + + return TRUE; +} + +static GSequenceIter * +lookup_file (NautilusListModel *model, + NautilusFile *file, + NautilusDirectory *directory) +{ + NautilusListModelPrivate *priv; + FileEntry *file_entry; + GSequenceIter *ptr, *parent_ptr; + + priv = nautilus_list_model_get_instance_private (model); + + parent_ptr = NULL; + if (directory) + { + parent_ptr = g_hash_table_lookup (priv->directory_reverse_map, + directory); + } + + if (parent_ptr) + { + file_entry = g_sequence_get (parent_ptr); + ptr = g_hash_table_lookup (file_entry->reverse_map, file); + } + else + { + ptr = g_hash_table_lookup (priv->top_reverse_map, file); + } + + if (ptr) + { + g_assert (((FileEntry *) g_sequence_get (ptr))->file == file); + } + + return ptr; +} + + +struct GetIters +{ + NautilusListModel *model; + NautilusFile *file; + GList *iters; +}; + +static void +dir_to_iters (struct GetIters *data, + GHashTable *reverse_map) +{ + GSequenceIter *ptr; + + ptr = g_hash_table_lookup (reverse_map, data->file); + if (ptr) + { + GtkTreeIter *iter; + iter = g_new0 (GtkTreeIter, 1); + nautilus_list_model_ptr_to_iter (data->model, ptr, iter); + data->iters = g_list_prepend (data->iters, iter); + } +} + +static void +file_to_iter_cb (gpointer key, + gpointer value, + gpointer user_data) +{ + struct GetIters *data; + FileEntry *dir_file_entry; + + data = user_data; + dir_file_entry = g_sequence_get ((GSequenceIter *) value); + dir_to_iters (data, dir_file_entry->reverse_map); +} + +GList * +nautilus_list_model_get_all_iters_for_file (NautilusListModel *model, + NautilusFile *file) +{ + struct GetIters data; + NautilusListModelPrivate *priv; + data.file = file; + data.model = model; + data.iters = NULL; + + priv = nautilus_list_model_get_instance_private (model); + + dir_to_iters (&data, priv->top_reverse_map); + g_hash_table_foreach (priv->directory_reverse_map, + file_to_iter_cb, &data); + + return g_list_reverse (data.iters); +} + +gboolean +nautilus_list_model_get_first_iter_for_file (NautilusListModel *model, + NautilusFile *file, + GtkTreeIter *iter) +{ + GList *list; + gboolean res; + + res = FALSE; + + list = nautilus_list_model_get_all_iters_for_file (model, file); + if (list != NULL) + { + res = TRUE; + *iter = *(GtkTreeIter *) list->data; + } + g_list_free_full (list, g_free); + + return res; +} + + +gboolean +nautilus_list_model_get_tree_iter_from_file (NautilusListModel *model, + NautilusFile *file, + NautilusDirectory *directory, + GtkTreeIter *iter) +{ + GSequenceIter *ptr; + + ptr = lookup_file (model, file, directory); + if (!ptr) + { + return FALSE; + } + + nautilus_list_model_ptr_to_iter (model, ptr, iter); + + return TRUE; +} + +static int +nautilus_list_model_file_entry_compare_func (gconstpointer a, + gconstpointer b, + gpointer user_data) +{ + FileEntry *file_entry1; + FileEntry *file_entry2; + NautilusListModel *model; + NautilusListModelPrivate *priv; + int result; + + model = NAUTILUS_LIST_MODEL (user_data); + priv = nautilus_list_model_get_instance_private (model); + + file_entry1 = (FileEntry *) a; + file_entry2 = (FileEntry *) b; + + if (file_entry1->file != NULL && file_entry2->file != NULL) + { + result = nautilus_file_compare_for_sort_by_attribute_q (file_entry1->file, file_entry2->file, + priv->sort_attribute, + priv->sort_directories_first, + (priv->order == GTK_SORT_DESCENDING)); + } + else if (file_entry1->file == NULL) + { + return -1; + } + else + { + return 1; + } + + return result; +} + +int +nautilus_list_model_compare_func (NautilusListModel *model, + NautilusFile *file1, + NautilusFile *file2) +{ + NautilusListModelPrivate *priv; + int result; + + priv = nautilus_list_model_get_instance_private (model); + result = nautilus_file_compare_for_sort_by_attribute_q (file1, file2, + priv->sort_attribute, + priv->sort_directories_first, + (priv->order == GTK_SORT_DESCENDING)); + + return result; +} + +static void +nautilus_list_model_sort_file_entries (NautilusListModel *model, + GSequence *files, + GtkTreePath *path) +{ + GSequenceIter **old_order; + GtkTreeIter iter; + int *new_order; + int length; + int i; + FileEntry *file_entry; + gboolean has_iter; + + length = g_sequence_get_length (files); + + if (length <= 1) + { + return; + } + + /* generate old order of GSequenceIter's */ + old_order = g_new (GSequenceIter *, length); + for (i = 0; i < length; ++i) + { + GSequenceIter *ptr = g_sequence_get_iter_at_pos (files, i); + + file_entry = g_sequence_get (ptr); + if (file_entry->files != NULL) + { + gtk_tree_path_append_index (path, i); + nautilus_list_model_sort_file_entries (model, file_entry->files, path); + gtk_tree_path_up (path); + } + + old_order[i] = ptr; + } + + /* sort */ + g_sequence_sort (files, nautilus_list_model_file_entry_compare_func, model); + + /* generate new order */ + new_order = g_new (int, length); + /* Note: new_order[newpos] = oldpos */ + for (i = 0; i < length; ++i) + { + new_order[g_sequence_iter_get_position (old_order[i])] = i; + } + + /* Let the world know about our new order */ + + g_assert (new_order != NULL); + + has_iter = FALSE; + if (gtk_tree_path_get_depth (path) != 0) + { + gboolean get_iter_result; + has_iter = TRUE; + get_iter_result = gtk_tree_model_get_iter (GTK_TREE_MODEL (model), &iter, path); + g_assert (get_iter_result); + } + + gtk_tree_model_rows_reordered (GTK_TREE_MODEL (model), + path, has_iter ? &iter : NULL, new_order); + + g_free (old_order); + g_free (new_order); +} + +static void +nautilus_list_model_sort (NautilusListModel *model) +{ + GtkTreePath *path; + NautilusListModelPrivate *priv; + + path = gtk_tree_path_new (); + priv = nautilus_list_model_get_instance_private (model); + + nautilus_list_model_sort_file_entries (model, priv->files, path); + + gtk_tree_path_free (path); +} + +static gboolean +nautilus_list_model_get_sort_column_id (GtkTreeSortable *sortable, + gint *sort_column_id, + GtkSortType *order) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + int id; + + model = NAUTILUS_LIST_MODEL (sortable); + priv = nautilus_list_model_get_instance_private (model); + id = nautilus_list_model_get_sort_column_id_from_attribute (model, priv->sort_attribute); + + if (id == -1) + { + return FALSE; + } + + if (sort_column_id != NULL) + { + *sort_column_id = id; + } + + if (order != NULL) + { + *order = priv->order; + } + + return TRUE; +} + +static void +nautilus_list_model_set_sort_column_id (GtkTreeSortable *sortable, + gint sort_column_id, + GtkSortType order) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + + model = NAUTILUS_LIST_MODEL (sortable); + priv = nautilus_list_model_get_instance_private (model); + + priv->sort_attribute = nautilus_list_model_get_attribute_from_sort_column_id (model, sort_column_id); + + priv->order = order; + + nautilus_list_model_sort (model); + gtk_tree_sortable_sort_column_changed (sortable); +} + +static gboolean +nautilus_list_model_has_default_sort_func (GtkTreeSortable *sortable) +{ + return FALSE; +} + +static void +add_dummy_row (NautilusListModel *model, + FileEntry *parent_entry) +{ + NautilusListModelPrivate *priv; + FileEntry *dummy_file_entry; + GtkTreeIter iter; + GtkTreePath *path; + + priv = nautilus_list_model_get_instance_private (model); + dummy_file_entry = g_new0 (FileEntry, 1); + dummy_file_entry->parent = parent_entry; + dummy_file_entry->ptr = g_sequence_insert_sorted (parent_entry->files, dummy_file_entry, + nautilus_list_model_file_entry_compare_func, model); + iter.stamp = priv->stamp; + iter.user_data = dummy_file_entry->ptr; + + 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); +} + +gboolean +nautilus_list_model_add_file (NautilusListModel *model, + NautilusFile *file, + NautilusDirectory *directory) +{ + NautilusListModelPrivate *priv; + GtkTreeIter iter; + GtkTreePath *path; + FileEntry *file_entry; + GSequenceIter *ptr, *parent_ptr; + GSequence *files; + gboolean replace_dummy; + GHashTable *parent_hash; + + priv = nautilus_list_model_get_instance_private (model); + + parent_ptr = g_hash_table_lookup (priv->directory_reverse_map, + directory); + if (parent_ptr) + { + file_entry = g_sequence_get (parent_ptr); + ptr = g_hash_table_lookup (file_entry->reverse_map, file); + } + else + { + file_entry = NULL; + ptr = g_hash_table_lookup (priv->top_reverse_map, file); + } + + if (ptr != NULL) + { + g_warning ("file already in tree (parent_ptr: %p)!!!\n", parent_ptr); + return FALSE; + } + + file_entry = g_new0 (FileEntry, 1); + file_entry->file = nautilus_file_ref (file); + file_entry->parent = NULL; + file_entry->subdirectory = NULL; + file_entry->files = NULL; + + files = priv->files; + parent_hash = priv->top_reverse_map; + + replace_dummy = FALSE; + + if (parent_ptr != NULL) + { + file_entry->parent = g_sequence_get (parent_ptr); + /* At this point we set loaded. Either we saw + * "done" and ignored it waiting for this, or we do this + * earlier, but then we replace the dummy row anyway, + * so it doesn't matter */ + file_entry->parent->loaded = 1; + parent_hash = file_entry->parent->reverse_map; + files = file_entry->parent->files; + if (g_sequence_get_length (files) == 1) + { + GSequenceIter *dummy_ptr = g_sequence_get_iter_at_pos (files, 0); + FileEntry *dummy_entry = g_sequence_get (dummy_ptr); + if (dummy_entry->file == NULL) + { + /* replace the dummy loading entry */ + priv->stamp++; + g_sequence_remove (dummy_ptr); + + replace_dummy = TRUE; + } + } + } + + + file_entry->ptr = g_sequence_insert_sorted (files, file_entry, + nautilus_list_model_file_entry_compare_func, model); + + g_hash_table_insert (parent_hash, file, file_entry->ptr); + + iter.stamp = priv->stamp; + iter.user_data = file_entry->ptr; + + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter); + if (replace_dummy) + { + gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter); + } + else + { + gtk_tree_model_row_inserted (GTK_TREE_MODEL (model), path, &iter); + } + + if (nautilus_file_is_directory (file)) + { + file_entry->files = g_sequence_new ((GDestroyNotify) file_entry_free); + + add_dummy_row (model, file_entry); + + gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (model), + path, &iter); + } + gtk_tree_path_free (path); + + return TRUE; +} + +void +nautilus_list_model_file_changed (NautilusListModel *model, + NautilusFile *file, + NautilusDirectory *directory) +{ + NautilusListModelPrivate *priv; + FileEntry *parent_file_entry; + GtkTreeIter iter; + GtkTreePath *path, *parent_path; + GSequenceIter *ptr; + int pos_before, pos_after, length, i, old; + int *new_order; + gboolean has_iter; + GSequence *files; + + priv = nautilus_list_model_get_instance_private (model); + + ptr = lookup_file (model, file, directory); + if (!ptr) + { + return; + } + + + pos_before = g_sequence_iter_get_position (ptr); + + g_sequence_sort_changed (ptr, nautilus_list_model_file_entry_compare_func, model); + + pos_after = g_sequence_iter_get_position (ptr); + + if (pos_before != pos_after) + { + /* The file moved, we need to send rows_reordered */ + + parent_file_entry = ((FileEntry *) g_sequence_get (ptr))->parent; + + if (parent_file_entry == NULL) + { + has_iter = FALSE; + parent_path = gtk_tree_path_new (); + files = priv->files; + } + else + { + has_iter = TRUE; + nautilus_list_model_ptr_to_iter (model, parent_file_entry->ptr, &iter); + parent_path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter); + files = parent_file_entry->files; + } + + length = g_sequence_get_length (files); + new_order = g_new (int, length); + /* Note: new_order[newpos] = oldpos */ + for (i = 0, old = 0; i < length; ++i) + { + if (i == pos_after) + { + new_order[i] = pos_before; + } + else + { + if (old == pos_before) + { + old++; + } + new_order[i] = old++; + } + } + + gtk_tree_model_rows_reordered (GTK_TREE_MODEL (model), + parent_path, has_iter ? &iter : NULL, new_order); + + gtk_tree_path_free (parent_path); + g_free (new_order); + } + + nautilus_list_model_ptr_to_iter (model, ptr, &iter); + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter); + gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter); + gtk_tree_path_free (path); +} + +gboolean +nautilus_list_model_is_empty (NautilusListModel *model) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + return (g_sequence_get_length (priv->files) == 0); +} + +static void +nautilus_list_model_remove (NautilusListModel *model, + GtkTreeIter *iter) +{ + NautilusListModelPrivate *priv; + GSequenceIter *ptr, *child_ptr; + FileEntry *file_entry, *child_file_entry, *parent_file_entry; + GtkTreePath *path; + GtkTreeIter parent_iter; + + priv = nautilus_list_model_get_instance_private (model); + ptr = iter->user_data; + file_entry = g_sequence_get (ptr); + + if (file_entry->files != NULL) + { + while (g_sequence_get_length (file_entry->files) > 0) + { + child_ptr = g_sequence_get_begin_iter (file_entry->files); + child_file_entry = g_sequence_get (child_ptr); + if (child_file_entry->file != NULL) + { + nautilus_list_model_remove_file (model, + child_file_entry->file, + file_entry->subdirectory); + } + else + { + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), iter); + gtk_tree_path_append_index (path, 0); + priv->stamp++; + g_sequence_remove (child_ptr); + gtk_tree_model_row_deleted (GTK_TREE_MODEL (model), path); + gtk_tree_path_free (path); + } + + /* the parent iter didn't actually change */ + iter->stamp = priv->stamp; + } + } + + if (file_entry->file != NULL) /* Don't try to remove dummy row */ + { + if (file_entry->parent != NULL) + { + g_hash_table_remove (file_entry->parent->reverse_map, file_entry->file); + } + else + { + g_hash_table_remove (priv->top_reverse_map, file_entry->file); + } + } + + parent_file_entry = file_entry->parent; + if (parent_file_entry && g_sequence_get_length (parent_file_entry->files) == 1 && + file_entry->file != NULL) + { + /* this is the last non-dummy child, add a dummy node */ + /* We need to do this before removing the last file to avoid + * collapsing the row. + */ + add_dummy_row (model, parent_file_entry); + } + + if (file_entry->subdirectory != NULL) + { + g_signal_emit (model, + list_model_signals[SUBDIRECTORY_UNLOADED], 0, + file_entry->subdirectory); + g_hash_table_remove (priv->directory_reverse_map, + file_entry->subdirectory); + } + + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), iter); + + g_sequence_remove (ptr); + priv->stamp++; + gtk_tree_model_row_deleted (GTK_TREE_MODEL (model), path); + + gtk_tree_path_free (path); + + if (parent_file_entry && g_sequence_get_length (parent_file_entry->files) == 0) + { + parent_iter.stamp = priv->stamp; + parent_iter.user_data = parent_file_entry->ptr; + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &parent_iter); + gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (model), + path, &parent_iter); + gtk_tree_path_free (path); + } +} + +void +nautilus_list_model_remove_file (NautilusListModel *model, + NautilusFile *file, + NautilusDirectory *directory) +{ + GtkTreeIter iter; + + if (nautilus_list_model_get_tree_iter_from_file (model, file, directory, &iter)) + { + nautilus_list_model_remove (model, &iter); + } +} + +static void +nautilus_list_model_clear_directory (NautilusListModel *model, + GSequence *files) +{ + NautilusListModelPrivate *priv; + GtkTreeIter iter; + FileEntry *file_entry; + + priv = nautilus_list_model_get_instance_private (model); + + while (g_sequence_get_length (files) > 0) + { + iter.user_data = g_sequence_get_begin_iter (files); + + file_entry = g_sequence_get (iter.user_data); + if (file_entry->files != NULL) + { + nautilus_list_model_clear_directory (model, file_entry->files); + } + + iter.stamp = priv->stamp; + nautilus_list_model_remove (model, &iter); + } +} + +void +nautilus_list_model_clear (NautilusListModel *model) +{ + NautilusListModelPrivate *priv; + + g_return_if_fail (model != NULL); + + priv = nautilus_list_model_get_instance_private (model); + + nautilus_list_model_clear_directory (model, priv->files); +} + +NautilusFile * +nautilus_list_model_file_for_path (NautilusListModel *model, + GtkTreePath *path) +{ + NautilusFile *file; + GtkTreeIter iter; + + file = NULL; + if (gtk_tree_model_get_iter (GTK_TREE_MODEL (model), + &iter, path)) + { + gtk_tree_model_get (GTK_TREE_MODEL (model), + &iter, + NAUTILUS_LIST_MODEL_FILE_COLUMN, &file, + -1); + } + return file; +} + +gboolean +nautilus_list_model_load_subdirectory (NautilusListModel *model, + GtkTreePath *path, + NautilusDirectory **directory) +{ + NautilusListModelPrivate *priv; + GtkTreeIter iter; + FileEntry *file_entry; + NautilusDirectory *subdirectory; + + priv = nautilus_list_model_get_instance_private (model); + + if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (model), &iter, path)) + { + return FALSE; + } + + file_entry = g_sequence_get (iter.user_data); + if (file_entry->file == NULL || + file_entry->subdirectory != NULL) + { + return FALSE; + } + + subdirectory = nautilus_directory_get_for_file (file_entry->file); + + if (g_hash_table_lookup (priv->directory_reverse_map, subdirectory) != NULL) + { + nautilus_directory_unref (subdirectory); + g_warning ("Already in directory_reverse_map, failing\n"); + return FALSE; + } + + file_entry->subdirectory = subdirectory, + g_hash_table_insert (priv->directory_reverse_map, + subdirectory, file_entry->ptr); + file_entry->reverse_map = g_hash_table_new (g_direct_hash, g_direct_equal); + + /* Return a ref too */ + nautilus_directory_ref (subdirectory); + *directory = subdirectory; + + return TRUE; +} + +/* removes all children of the subfolder and unloads the subdirectory */ +void +nautilus_list_model_unload_subdirectory (NautilusListModel *model, + GtkTreeIter *iter) +{ + NautilusListModelPrivate *priv; + GSequenceIter *child_ptr; + FileEntry *file_entry, *child_file_entry; + GtkTreeIter child_iter; + + priv = nautilus_list_model_get_instance_private (model); + + file_entry = g_sequence_get (iter->user_data); + if (file_entry->file == NULL || + file_entry->subdirectory == NULL) + { + return; + } + + file_entry->loaded = 0; + + /* Remove all children */ + while (g_sequence_get_length (file_entry->files) > 0) + { + child_ptr = g_sequence_get_begin_iter (file_entry->files); + child_file_entry = g_sequence_get (child_ptr); + if (child_file_entry->file == NULL) + { + /* Don't delete the dummy node */ + break; + } + else + { + nautilus_list_model_ptr_to_iter (model, child_ptr, &child_iter); + nautilus_list_model_remove (model, &child_iter); + } + } + + /* Emit unload signal */ + g_signal_emit (model, + list_model_signals[SUBDIRECTORY_UNLOADED], 0, + file_entry->subdirectory); + + /* actually unload */ + g_hash_table_remove (priv->directory_reverse_map, + file_entry->subdirectory); + nautilus_directory_unref (file_entry->subdirectory); + file_entry->subdirectory = NULL; + + g_assert (g_hash_table_size (file_entry->reverse_map) == 0); + g_hash_table_destroy (file_entry->reverse_map); + file_entry->reverse_map = NULL; +} + + + +void +nautilus_list_model_set_should_sort_directories_first (NautilusListModel *model, + gboolean sort_directories_first) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + if (priv->sort_directories_first == sort_directories_first) + { + return; + } + + priv->sort_directories_first = sort_directories_first; + nautilus_list_model_sort (model); +} + +int +nautilus_list_model_get_sort_column_id_from_attribute (NautilusListModel *model, + GQuark attribute) +{ + NautilusListModelPrivate *priv; + guint i; + + if (attribute == 0) + { + return -1; + } + + priv = nautilus_list_model_get_instance_private (model); + + /* Hack - the preferences dialog sets modification_date for some + * rather than date_modified for some reason. Make sure that + * works. */ + if (attribute == attribute_modification_date_q) + { + attribute = attribute_date_modified_q; + } + + for (i = 0; i < priv->columns->len; i++) + { + NautilusColumn *column; + GQuark column_attribute; + + column = NAUTILUS_COLUMN (priv->columns->pdata[i]); + g_object_get (G_OBJECT (column), + "attribute_q", &column_attribute, + NULL); + if (column_attribute == attribute) + { + return NAUTILUS_LIST_MODEL_NUM_COLUMNS + i; + } + } + + return -1; +} + +GQuark +nautilus_list_model_get_attribute_from_sort_column_id (NautilusListModel *model, + int sort_column_id) +{ + NautilusListModelPrivate *priv; + NautilusColumn *column; + int index; + GQuark attribute; + + priv = nautilus_list_model_get_instance_private (model); + index = sort_column_id - NAUTILUS_LIST_MODEL_NUM_COLUMNS; + + if (index < 0 || index >= priv->columns->len) + { + g_warning ("unknown sort column id: %d", sort_column_id); + return 0; + } + + column = NAUTILUS_COLUMN (priv->columns->pdata[index]); + g_object_get (G_OBJECT (column), "attribute_q", &attribute, NULL); + + return attribute; +} + +NautilusListZoomLevel +nautilus_list_model_get_zoom_level_from_column_id (int column) +{ + switch (column) + { + case NAUTILUS_LIST_MODEL_SMALL_ICON_COLUMN: + { + return NAUTILUS_LIST_ZOOM_LEVEL_SMALL; + } + + case NAUTILUS_LIST_MODEL_STANDARD_ICON_COLUMN: + { + return NAUTILUS_LIST_ZOOM_LEVEL_STANDARD; + } + + case NAUTILUS_LIST_MODEL_LARGE_ICON_COLUMN: + { + return NAUTILUS_LIST_ZOOM_LEVEL_LARGE; + } + + case NAUTILUS_LIST_MODEL_LARGER_ICON_COLUMN: + return NAUTILUS_LIST_ZOOM_LEVEL_LARGER; + } + + g_return_val_if_reached (NAUTILUS_LIST_ZOOM_LEVEL_STANDARD); +} + +int +nautilus_list_model_get_column_id_from_zoom_level (NautilusListZoomLevel zoom_level) +{ + switch (zoom_level) + { + case NAUTILUS_LIST_ZOOM_LEVEL_SMALL: + { + return NAUTILUS_LIST_MODEL_SMALL_ICON_COLUMN; + } + + case NAUTILUS_LIST_ZOOM_LEVEL_STANDARD: + { + return NAUTILUS_LIST_MODEL_STANDARD_ICON_COLUMN; + } + + case NAUTILUS_LIST_ZOOM_LEVEL_LARGE: + { + return NAUTILUS_LIST_MODEL_LARGE_ICON_COLUMN; + } + + case NAUTILUS_LIST_ZOOM_LEVEL_LARGER: + return NAUTILUS_LIST_MODEL_LARGER_ICON_COLUMN; + } + + g_return_val_if_reached (NAUTILUS_LIST_MODEL_STANDARD_ICON_COLUMN); +} + +void +nautilus_list_model_set_drag_view (NautilusListModel *model, + GtkTreeView *view, + int drag_begin_x, + int drag_begin_y) +{ + NautilusListModelPrivate *priv; + + g_return_if_fail (model != NULL); + g_return_if_fail (NAUTILUS_IS_LIST_MODEL (model)); + g_return_if_fail (!view || GTK_IS_TREE_VIEW (view)); + + priv = nautilus_list_model_get_instance_private (model); + + priv->drag_view = view; + priv->drag_begin_x = drag_begin_x; + priv->drag_begin_y = drag_begin_y; +} + +GtkTreeView * +nautilus_list_model_get_drag_view (NautilusListModel *model, + int *drag_begin_x, + int *drag_begin_y) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + if (drag_begin_x != NULL) + { + *drag_begin_x = priv->drag_begin_x; + } + + if (drag_begin_y != NULL) + { + *drag_begin_y = priv->drag_begin_y; + } + + return priv->drag_view; +} + +GtkTargetList * +nautilus_list_model_get_drag_target_list () +{ + GtkTargetList *target_list; + + target_list = gtk_target_list_new (drag_types, G_N_ELEMENTS (drag_types)); + gtk_target_list_add_text_targets (target_list, NAUTILUS_ICON_DND_TEXT); + + return target_list; +} + +int +nautilus_list_model_add_column (NautilusListModel *model, + NautilusColumn *column) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + g_ptr_array_add (priv->columns, column); + g_object_ref (column); + + return NAUTILUS_LIST_MODEL_NUM_COLUMNS + (priv->columns->len - 1); +} + +static void +nautilus_list_model_dispose (GObject *object) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + int i; + + model = NAUTILUS_LIST_MODEL (object); + priv = nautilus_list_model_get_instance_private (model); + + if (priv->columns) + { + for (i = 0; i < priv->columns->len; i++) + { + g_object_unref (priv->columns->pdata[i]); + } + g_ptr_array_free (priv->columns, TRUE); + priv->columns = NULL; + } + + if (priv->files) + { + g_sequence_free (priv->files); + priv->files = NULL; + } + + if (priv->top_reverse_map) + { + g_hash_table_destroy (priv->top_reverse_map); + priv->top_reverse_map = NULL; + } + if (priv->directory_reverse_map) + { + g_hash_table_destroy (priv->directory_reverse_map); + priv->directory_reverse_map = NULL; + } + + G_OBJECT_CLASS (nautilus_list_model_parent_class)->dispose (object); +} + +static void +nautilus_list_model_finalize (GObject *object) +{ + NautilusListModel *model; + NautilusListModelPrivate *priv; + + model = NAUTILUS_LIST_MODEL (object); + priv = nautilus_list_model_get_instance_private (model); + + if (priv->highlight_files != NULL) + { + nautilus_file_list_free (priv->highlight_files); + priv->highlight_files = NULL; + } + + G_OBJECT_CLASS (nautilus_list_model_parent_class)->finalize (object); +} + +static void +nautilus_list_model_init (NautilusListModel *model) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + priv->files = g_sequence_new ((GDestroyNotify) file_entry_free); + priv->top_reverse_map = g_hash_table_new (g_direct_hash, g_direct_equal); + priv->directory_reverse_map = g_hash_table_new (g_direct_hash, g_direct_equal); + priv->stamp = g_random_int (); + priv->sort_attribute = 0; + priv->columns = g_ptr_array_new (); +} + +static void +nautilus_list_model_class_init (NautilusListModelClass *klass) +{ + GObjectClass *object_class; + + attribute_name_q = g_quark_from_static_string ("name"); + attribute_modification_date_q = g_quark_from_static_string ("modification_date"); + attribute_date_modified_q = g_quark_from_static_string ("date_modified"); + + object_class = (GObjectClass *) klass; + object_class->finalize = nautilus_list_model_finalize; + object_class->dispose = nautilus_list_model_dispose; + + list_model_signals[SUBDIRECTORY_UNLOADED] = + g_signal_new ("subdirectory-unloaded", + NAUTILUS_TYPE_LIST_MODEL, + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (NautilusListModelClass, subdirectory_unloaded), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, + NAUTILUS_TYPE_DIRECTORY); + + list_model_signals[GET_ICON_SCALE] = + g_signal_new ("get-icon-scale", + NAUTILUS_TYPE_LIST_MODEL, + G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST, + 0, NULL, NULL, + NULL, + G_TYPE_INT, 0); +} + +static void +nautilus_list_model_tree_model_init (GtkTreeModelIface *iface) +{ + iface->get_flags = nautilus_list_model_get_flags; + iface->get_n_columns = nautilus_list_model_get_n_columns; + iface->get_column_type = nautilus_list_model_get_column_type; + iface->get_iter = nautilus_list_model_get_iter; + iface->get_path = nautilus_list_model_get_path; + iface->get_value = nautilus_list_model_get_value; + iface->iter_next = nautilus_list_model_iter_next; + iface->iter_children = nautilus_list_model_iter_children; + iface->iter_has_child = nautilus_list_model_iter_has_child; + iface->iter_n_children = nautilus_list_model_iter_n_children; + iface->iter_nth_child = nautilus_list_model_iter_nth_child; + iface->iter_parent = nautilus_list_model_iter_parent; +} + +static void +nautilus_list_model_sortable_init (GtkTreeSortableIface *iface) +{ + iface->get_sort_column_id = nautilus_list_model_get_sort_column_id; + iface->set_sort_column_id = nautilus_list_model_set_sort_column_id; + iface->has_default_sort_func = nautilus_list_model_has_default_sort_func; +} + +void +nautilus_list_model_subdirectory_done_loading (NautilusListModel *model, + NautilusDirectory *directory) +{ + NautilusListModelPrivate *priv; + GtkTreeIter iter; + GtkTreePath *path; + FileEntry *file_entry, *dummy_entry; + GSequenceIter *parent_ptr, *dummy_ptr; + GSequence *files; + + priv = nautilus_list_model_get_instance_private (model); + + if (model == NULL || priv->directory_reverse_map == NULL) + { + return; + } + parent_ptr = g_hash_table_lookup (priv->directory_reverse_map, + directory); + if (parent_ptr == NULL) + { + return; + } + + file_entry = g_sequence_get (parent_ptr); + files = file_entry->files; + + /* Only swap loading -> empty if we saw no files yet at "done", + * otherwise, toggle loading at first added file to the model. + */ + if (!nautilus_directory_is_not_empty (directory) && + g_sequence_get_length (files) == 1) + { + dummy_ptr = g_sequence_get_iter_at_pos (file_entry->files, 0); + dummy_entry = g_sequence_get (dummy_ptr); + if (dummy_entry->file == NULL) + { + /* was the dummy file */ + file_entry->loaded = 1; + + iter.stamp = priv->stamp; + iter.user_data = dummy_ptr; + + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &iter); + gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter); + gtk_tree_path_free (path); + } + } +} + +static void +refresh_row (gpointer data, + gpointer user_data) +{ + NautilusFile *file; + NautilusListModel *model; + GList *iters, *l; + GtkTreePath *path; + + model = user_data; + file = data; + + iters = nautilus_list_model_get_all_iters_for_file (model, file); + for (l = iters; l != NULL; l = l->next) + { + path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), l->data); + gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, l->data); + + gtk_tree_path_free (path); + } + + g_list_free_full (iters, g_free); +} + +void +nautilus_list_model_set_highlight_for_files (NautilusListModel *model, + GList *files) +{ + NautilusListModelPrivate *priv; + + priv = nautilus_list_model_get_instance_private (model); + + if (priv->highlight_files != NULL) + { + g_list_foreach (priv->highlight_files, refresh_row, model); + nautilus_file_list_free (priv->highlight_files); + priv->highlight_files = NULL; + } + + if (files != NULL) + { + priv->highlight_files = nautilus_file_list_copy (files); + g_list_foreach (priv->highlight_files, refresh_row, model); + } +} |