1 files changed, 498 insertions, 0 deletions
diff --git a/libcaja-private/caja-customization-data.c b/libcaja-private/caja-customization-data.c
new file mode 100644
index 00000000..e96cd7c6
--- /dev/null
+++ b/libcaja-private/caja-customization-data.c
@@ -0,0 +1,498 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/*
+ * Caja
+ *
+ * Copyright (C) 2000 Eazel, Inc.
+ *
+ * Caja 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.
+ *
+ * Caja 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Rebecca Schulman <[email protected]>
+ */
+
+/* caja-customization-data.c - functions to collect and load customization
+ names and imges */
+
+#include <config.h>
+#include "caja-customization-data.h"
+
+#include "caja-file-utilities.h"
+#include <eel/eel-gdk-extensions.h>
+#include <eel/eel-gdk-extensions.h>
+#include <eel/eel-pango-extensions.h>
+#include <eel/eel-gdk-pixbuf-extensions.h>
+#include <eel/eel-glib-extensions.h>
+#include <eel/eel-gtk-extensions.h>
+#include <eel/eel-vfs-extensions.h>
+#include <eel/eel-string.h>
+#include <eel/eel-xml-extensions.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include <libxml/parser.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef enum
+{
+ READ_PUBLIC_CUSTOMIZATIONS,
+ READ_PRIVATE_CUSTOMIZATIONS
+} CustomizationReadingMode;
+
+struct CajaCustomizationData
+{
+ char *customization_name;
+
+ GList *public_file_list;
+ GList *private_file_list;
+ GList *current_file_list;
+
+ GHashTable *name_map_hash;
+
+ GdkPixbuf *pattern_frame;
+
+ int maximum_icon_height;
+ int maximum_icon_width;
+
+ guint private_data_was_displayed : 1;
+ guint reading_mode : 2; /* enough bits for CustomizationReadingMode */
+};
+
+
+/* The Property here should be one of "emblems", "colors" or "patterns" */
+static char * get_global_customization_path (const char *customization_name);
+static char * get_private_customization_path (const char *customization_name);
+static char * get_file_path_for_mode (const CajaCustomizationData *data,
+ const char *file_name);
+static char* format_name_for_display (CajaCustomizationData *data, const char *name);
+static void load_name_map_hash_table (CajaCustomizationData *data);
+
+
+static gboolean
+read_all_children (char *filename,
+ const char *attributes,
+ GList **list_out)
+{
+ GFileEnumerator *enumerator;
+ GList *list;
+ GFile *file;
+ GFileInfo *info;
+
+ file = g_file_new_for_path (filename);
+
+ enumerator = g_file_enumerate_children (file, attributes, 0, NULL, NULL);
+ if (enumerator == NULL)
+ {
+ return FALSE;
+ }
+
+ list = NULL;
+ do
+ {
+ info = g_file_enumerator_next_file (enumerator, NULL, NULL);
+ if (info)
+ {
+ list = g_list_prepend (list, info);
+ }
+ }
+ while (info != NULL);
+
+ g_object_unref (enumerator);
+ g_object_unref (file);
+
+ *list_out = g_list_reverse (list);
+ return TRUE;
+}
+
+
+CajaCustomizationData*
+caja_customization_data_new (const char *customization_name,
+ gboolean show_public_customizations,
+ int maximum_icon_height,
+ int maximum_icon_width)
+{
+ CajaCustomizationData *data;
+ char *public_directory_path, *private_directory_path;
+ char *temp_str;
+ gboolean public_result, private_result;
+
+ data = g_new0 (CajaCustomizationData, 1);
+
+ public_result = TRUE;
+
+ if (show_public_customizations)
+ {
+ public_directory_path = get_global_customization_path (customization_name);
+
+ public_result = read_all_children (public_directory_path,
+ G_FILE_ATTRIBUTE_STANDARD_NAME ","
+ G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
+ &data->public_file_list);
+ g_free (public_directory_path);
+ }
+
+ private_directory_path = get_private_customization_path (customization_name);
+ private_result = read_all_children (private_directory_path,
+ G_FILE_ATTRIBUTE_STANDARD_NAME ","
+ G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
+ &data->private_file_list);
+ g_free (private_directory_path);
+ if (!public_result && !private_result)
+ {
+ g_warning ("Couldn't read any of the emblem directories\n");
+ g_free (data);
+ return NULL;
+ }
+ if (private_result)
+ {
+ data->reading_mode = READ_PRIVATE_CUSTOMIZATIONS;
+ data->current_file_list = data->private_file_list;
+ }
+ if (show_public_customizations && public_result)
+ {
+ data->reading_mode = READ_PUBLIC_CUSTOMIZATIONS;
+ data->current_file_list = data->public_file_list;
+ }
+
+ data->pattern_frame = NULL;
+
+ /* load the frame if necessary */
+ if (strcmp (customization_name, "patterns") == 0)
+ {
+ temp_str = caja_pixmap_file ("chit_frame.png");
+ if (temp_str != NULL)
+ {
+ data->pattern_frame = gdk_pixbuf_new_from_file (temp_str, NULL);
+ }
+ g_free (temp_str);
+ }
+
+ data->private_data_was_displayed = FALSE;
+ data->customization_name = g_strdup (customization_name);
+
+ data->maximum_icon_height = maximum_icon_height;
+ data->maximum_icon_width = maximum_icon_width;
+
+ load_name_map_hash_table (data);
+
+ return data;
+}
+
+gboolean
+caja_customization_data_get_next_element_for_display (CajaCustomizationData *data,
+ char **emblem_name,
+ GdkPixbuf **pixbuf_out,
+ char **label_out)
+{
+ GFileInfo *current_file_info;
+ char *image_file_name;
+ GdkPixbuf *pixbuf;
+ GdkPixbuf *orig_pixbuf;
+ gboolean is_reset_image;
+
+ g_return_val_if_fail (data != NULL, FALSE);
+ g_return_val_if_fail (emblem_name != NULL, FALSE);
+ g_return_val_if_fail (pixbuf_out != NULL, FALSE);
+ g_return_val_if_fail (label_out != NULL, FALSE);
+
+ if (data->current_file_list == NULL)
+ {
+ if (data->reading_mode == READ_PUBLIC_CUSTOMIZATIONS)
+ {
+ if (data->private_file_list == NULL)
+ {
+ return FALSE;
+ }
+ data->reading_mode = READ_PRIVATE_CUSTOMIZATIONS;
+ data->current_file_list = data->private_file_list;
+ return caja_customization_data_get_next_element_for_display (data,
+ emblem_name,
+ pixbuf_out,
+ label_out);
+ }
+ else
+ {
+ return FALSE;
+ }
+ }
+
+
+ current_file_info = data->current_file_list->data;
+ data->current_file_list = data->current_file_list->next;
+
+ g_assert (current_file_info != NULL);
+
+ if (!eel_istr_has_prefix (g_file_info_get_content_type (current_file_info), "image/")
+ || eel_istr_has_prefix (g_file_info_get_name (current_file_info), "."))
+ {
+ return caja_customization_data_get_next_element_for_display (data,
+ emblem_name,
+ pixbuf_out,
+ label_out);
+ }
+
+ image_file_name = get_file_path_for_mode (data,
+ g_file_info_get_name (current_file_info));
+ orig_pixbuf = gdk_pixbuf_new_from_file_at_scale (image_file_name,
+ data->maximum_icon_width,
+ data->maximum_icon_height,
+ TRUE,
+ NULL);
+ g_free (image_file_name);
+
+ if (orig_pixbuf == NULL)
+ {
+ return caja_customization_data_get_next_element_for_display (data,
+ emblem_name,
+ pixbuf_out,
+ label_out);
+ }
+
+ is_reset_image = eel_strcmp(g_file_info_get_name (current_file_info), RESET_IMAGE_NAME) == 0;
+
+ *emblem_name = g_strdup (g_file_info_get_name (current_file_info));
+
+ if (strcmp (data->customization_name, "patterns") == 0 &&
+ data->pattern_frame != NULL)
+ {
+ pixbuf = caja_customization_make_pattern_chit (orig_pixbuf, data->pattern_frame, FALSE, is_reset_image);
+ }
+ else
+ {
+ pixbuf = eel_gdk_pixbuf_scale_down_to_fit (orig_pixbuf,
+ data->maximum_icon_width,
+ data->maximum_icon_height);
+ }
+
+ g_object_unref (orig_pixbuf);
+
+ *pixbuf_out = pixbuf;
+
+ *label_out = format_name_for_display (data, g_file_info_get_name (current_file_info));
+
+ if (data->reading_mode == READ_PRIVATE_CUSTOMIZATIONS)
+ {
+ data->private_data_was_displayed = TRUE;
+ }
+ return TRUE;
+}
+
+gboolean
+caja_customization_data_private_data_was_displayed (CajaCustomizationData *data)
+{
+ return data->private_data_was_displayed;
+}
+
+void
+caja_customization_data_destroy (CajaCustomizationData *data)
+{
+ g_assert (data->public_file_list != NULL ||
+ data->private_file_list != NULL);
+
+ if (data->pattern_frame != NULL)
+ {
+ g_object_unref (data->pattern_frame);
+ }
+
+ eel_g_object_list_free (data->public_file_list);
+ eel_g_object_list_free (data->private_file_list);
+
+ if (data->name_map_hash != NULL)
+ {
+ g_hash_table_destroy (data->name_map_hash);
+ }
+
+ g_free (data->customization_name);
+ g_free (data);
+}
+
+
+/* get_global_customization_directory
+ Get the path where a property's pixmaps are stored
+ @customization_name : the name of the customization to get.
+ Should be one of "emblems", "colors", or "paterns"
+
+ Return value: The directory name where the customization's
+ public pixmaps are stored */
+static char *
+get_global_customization_path (const char *customization_name)
+{
+ return g_build_filename (CAJA_DATADIR,
+ customization_name,
+ NULL);
+}
+
+
+/* get_private_customization_directory
+ Get the path where a customization's pixmaps are stored
+ @customization_name : the name of the customization to get.
+ Should be one of "emblems", "colors", or "patterns"
+
+ Return value: The directory name where the customization's
+ user-specific pixmaps are stored */
+static char *
+get_private_customization_path (const char *customization_name)
+{
+ char *user_directory;
+ char *directory_path;
+
+ user_directory = caja_get_user_directory ();
+ directory_path = g_build_filename (user_directory,
+ customization_name,
+ NULL);
+ g_free (user_directory);
+
+ return directory_path;
+}
+
+
+static char *
+get_file_path_for_mode (const CajaCustomizationData *data,
+ const char *file_name)
+{
+ char *directory_path, *file;
+ if (data->reading_mode == READ_PUBLIC_CUSTOMIZATIONS)
+ {
+ directory_path = get_global_customization_path (data->customization_name);
+ }
+ else
+ {
+ directory_path = get_private_customization_path (data->customization_name);
+ }
+
+ file = g_build_filename (directory_path, file_name, NULL);
+ g_free (directory_path);
+
+ return file;
+}
+
+
+/* utility to make an attractive pattern image by compositing with a frame */
+GdkPixbuf*
+caja_customization_make_pattern_chit (GdkPixbuf *pattern_tile, GdkPixbuf *frame, gboolean dragging, gboolean is_reset)
+{
+ GdkPixbuf *pixbuf, *temp_pixbuf;
+ int frame_width, frame_height;
+ int pattern_width, pattern_height;
+
+ g_assert (pattern_tile != NULL);
+ g_assert (frame != NULL);
+
+ frame_width = gdk_pixbuf_get_width (frame);
+ frame_height = gdk_pixbuf_get_height (frame);
+ pattern_width = gdk_pixbuf_get_width (pattern_tile);
+ pattern_height = gdk_pixbuf_get_height (pattern_tile);
+
+ pixbuf = gdk_pixbuf_copy (frame);
+
+ /* scale the pattern tile to the proper size */
+ gdk_pixbuf_scale (pattern_tile,
+ pixbuf,
+ 2, 2, frame_width - 8, frame_height - 8,
+ 0, 0,
+ (double)(frame_width - 8 + 1)/pattern_width,
+ (double)(frame_height - 8 + 1)/pattern_height,
+ GDK_INTERP_BILINEAR);
+
+ /* if we're dragging, get rid of the light-colored halo */
+ if (dragging)
+ {
+ temp_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, frame_width - 8, frame_height - 8);
+ gdk_pixbuf_copy_area (pixbuf, 2, 2, frame_width - 8, frame_height - 8, temp_pixbuf, 0, 0);
+ g_object_unref (pixbuf);
+ pixbuf = temp_pixbuf;
+ }
+
+ return pixbuf;
+}
+
+
+/* utility to format the passed-in name for display by stripping the extension, mapping underscore
+ and capitalizing as necessary */
+
+static char*
+format_name_for_display (CajaCustomizationData *data, const char* name)
+{
+ char *formatted_str, *mapped_name;
+
+ if (!eel_strcmp(name, RESET_IMAGE_NAME))
+ {
+ return g_strdup (_("Reset"));
+ }
+
+ /* map file names to display names using the mappings defined in the hash table */
+
+ formatted_str = eel_filename_strip_extension (name);
+ if (data->name_map_hash != NULL)
+ {
+ mapped_name = g_hash_table_lookup (data->name_map_hash, formatted_str);
+ if (mapped_name)
+ {
+ g_free (formatted_str);
+ formatted_str = g_strdup (mapped_name);
+ }
+ }
+
+ return formatted_str;
+}
+
+/* utility routine to allocate a hash table and load it with the appropriate
+ * name mapping data from the browser xml file
+ */
+static void
+load_name_map_hash_table (CajaCustomizationData *data)
+{
+ char *xml_path;
+ char *filename, *display_name;
+
+ xmlDocPtr browser_data;
+ xmlNodePtr category_node, current_node;
+
+ /* allocate the hash table */
+ data->name_map_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+
+ /* build the path name to the browser.xml file and load it */
+ xml_path = g_build_filename (CAJA_DATADIR, "browser.xml", NULL);
+ if (xml_path)
+ {
+ browser_data = xmlParseFile (xml_path);
+ g_free (xml_path);
+
+ if (browser_data)
+ {
+ /* get the category node */
+ category_node = eel_xml_get_root_child_by_name_and_property (browser_data, "category", "name", data->customization_name);
+ current_node = category_node->children;
+
+ /* loop through the entries, adding a mapping to the hash table */
+ while (current_node != NULL)
+ {
+ display_name = eel_xml_get_property_translated (current_node, "display_name");
+ filename = xmlGetProp (current_node, "filename");
+ if (display_name && filename)
+ {
+ g_hash_table_replace (data->name_map_hash, g_strdup (filename), g_strdup (display_name));
+ }
+ xmlFree (filename);
+ xmlFree (display_name);
+ current_node = current_node->next;
+ }
+
+ /* close the xml file */
+ xmlFreeDoc (browser_data);
+ }
+ }
+}