shell/ev-properties.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* this file is part of evince, a gnome document viewer
   3  *
   4  *  Copyright (C) 2005 Red Hat, Inc
   5  *
   6  * Evince is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Evince is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include "ev-properties.h"
  26 #include "ev-document-fonts.h"
  27 #include "ev-jobs.h"
  28 #include "ev-job-queue.h"
  29 #include "ev-page-cache.h"
  30
  31 #include <glib/gi18n.h>
  32 #include <gtk/gtk.h>
  33 #include <glade/glade.h>
  34 #include <time.h>
  35 #include <sys/time.h>
  36
  37 enum
  38 {
  39         FONT_NAME_COL,
  40         NUM_COLS
  41 };
  42
  43 typedef enum
  44 {
  45         TITLE_PROPERTY,
  46         SUBJECT_PROPERTY,
  47         AUTHOR_PROPERTY,
  48         KEYWORDS_PROPERTY,
  49         PRODUCER_PROPERTY,
  50         CREATOR_PROPERTY,
  51         CREATION_DATE_PROPERTY,
  52         MOD_DATE_PROPERTY,
  53         N_PAGES_PROPERTY,
  54         LINEARIZED_PROPERTY,
  55         FORMAT_PROPERTY,
  56         SECURITY_PROPERTY
  57 } Property;
  58
  59 typedef struct
  60 {
  61         Property property;
  62         const char *label_id;
  63 } PropertyInfo;
  64
  65 static const PropertyInfo properties_info[] = {
  66         { TITLE_PROPERTY, "title" },
  67         { SUBJECT_PROPERTY, "subject" },
  68         { AUTHOR_PROPERTY, "author" },
  69         { KEYWORDS_PROPERTY, "keywords" },
  70         { PRODUCER_PROPERTY, "producer" },
  71         { CREATOR_PROPERTY, "creator" },
  72         { CREATION_DATE_PROPERTY, "created" },
  73         { MOD_DATE_PROPERTY, "modified" },
  74         { N_PAGES_PROPERTY, "pages" },
  75         { LINEARIZED_PROPERTY, "optimized" },
  76         { FORMAT_PROPERTY, "version" },
  77         { SECURITY_PROPERTY, "security" }
  78 };
  79
  80 struct _EvProperties {
  81         GObject base_instance;
  82
  83         GladeXML *xml;
  84
  85         GtkWidget *dialog;
  86         GtkWidget *fonts_treeview;
  87         GtkWidget *fonts_progress_label;
  88         GtkWidget *font_page;
  89
  90         EvDocument *document;
  91 };
  92
  93 struct _EvPropertiesClass {
  94         GObjectClass base_class;
  95 };
  96
  97 G_DEFINE_TYPE (EvProperties, ev_properties, G_TYPE_OBJECT)
  98
  99 static void
 100 ev_properties_dispose (GObject *object)
 101 {
 102         EvProperties *properties = EV_PROPERTIES (object);
 103
 104         if (properties->xml) {
 105                 g_object_unref (properties->xml);
 106                 properties->xml = NULL;
 107         }
 108 }
 109
 110 static void
 111 ev_properties_class_init (EvPropertiesClass *properties_class)
 112 {
 113         GObjectClass *g_object_class = G_OBJECT_CLASS (properties_class);
 114
 115         g_object_class->dispose = ev_properties_dispose;
 116 }
 117
 118 static void
 119 dialog_destroy_cb (GtkWidget *dialog, EvProperties *properties)
 120 {
 121         g_object_unref (properties);
 122 }
 123
 124 static void
 125 ev_properties_init (EvProperties *properties)
 126 {
 127         GladeXML *xml;
 128         GtkCellRenderer *renderer;
 129         GtkTreeViewColumn *column;
 130
 131         /* Create a new GladeXML object from XML file glade_file */
 132         xml = glade_xml_new (DATADIR "/evince-properties.glade", NULL, NULL);
 133         properties->xml = xml;
 134         g_assert (xml != NULL);
 135
 136         properties->dialog = glade_xml_get_widget (xml, "properties_dialog");
 137         properties->fonts_treeview = glade_xml_get_widget (xml, "fonts_treeview");
 138         properties->fonts_progress_label = glade_xml_get_widget (xml, "font_progress_label");
 139         properties->font_page = glade_xml_get_widget (xml, "fonts_page");
 140
 141         column = gtk_tree_view_column_new ();
 142         gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
 143         gtk_tree_view_append_column (GTK_TREE_VIEW (properties->fonts_treeview), column);
 144
 145         renderer = gtk_cell_renderer_text_new ();
 146         gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
 147         gtk_tree_view_column_set_title (GTK_TREE_VIEW_COLUMN (column), _("Name"));
 148         gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
 149                                              "text", EV_DOCUMENT_FONTS_COLUMN_NAME,
 150                                              NULL);
 151
 152         g_signal_connect (properties->dialog, "destroy",
 153                           G_CALLBACK (dialog_destroy_cb), properties);
 154 }
 155
 156 /* Returns a locale specific date and time representation */
 157 static char *
 158 ev_properties_format_date (GTime utime)
 159 {
 160         time_t time = (time_t) utime;
 161         struct tm t;
 162         char s[256];
 163         const char *fmt_hack = "%c";
 164         size_t len;
 165
 166         if (!localtime_r (&time, &t)) return NULL;
 167
 168         len = strftime (s, sizeof (s), fmt_hack, &t);
 169         if (len == 0 || s[0] == '\0') return NULL;
 170
 171         return g_locale_to_utf8 (s, -1, NULL, NULL, NULL);
 172 }
 173
 174 static void
 175 set_property (GladeXML *xml, Property property, const char *text)
 176 {
 177         GtkWidget *widget;
 178
 179         widget = glade_xml_get_widget (xml, properties_info[property].label_id);
 180         g_return_if_fail (GTK_IS_LABEL (widget));
 181
 182         gtk_label_set_text (GTK_LABEL (widget), text ? text : "");
 183 }
 184
 185 static void
 186 update_progress_label (GtkWidget *label, double progress)
 187 {
 188         if (progress > 0) {
 189                 char *progress_text;
 190                 progress_text = g_strdup_printf (_("Gathering font information... %3d%%"),
 191                                                  (int) (progress * 100));
 192                 gtk_label_set_text (GTK_LABEL (label), progress_text);
 193                 g_free (progress_text);
 194                 gtk_widget_show (label);
 195         } else {
 196                 gtk_widget_hide (label);
 197         }
 198 }
 199
 200 static void
 201 job_fonts_finished_cb (EvJob *job, EvProperties *properties)
 202 {
 203         EvDocumentFonts *document_fonts = EV_DOCUMENT_FONTS (job->document);
 204         double progress;
 205
 206         progress = ev_document_fonts_get_progress (document_fonts);
 207         update_progress_label (properties->fonts_progress_label, progress);
 208
 209         if (EV_JOB_FONTS (job)->scan_completed) {
 210                 g_signal_handlers_disconnect_by_func
 211                                 (job, job_fonts_finished_cb, properties);
 212         } else {
 213                 GtkTreeModel *model;
 214                 EvJob *new_job;
 215
 216                 model = gtk_tree_view_get_model
 217                                 (GTK_TREE_VIEW (properties->fonts_treeview));
 218                 ev_document_doc_mutex_lock ();
 219                 ev_document_fonts_fill_model (document_fonts, model);
 220                 ev_document_doc_mutex_unlock ();
 221                 new_job = ev_job_fonts_new (job->document);
 222                 ev_job_queue_add_job (job, EV_JOB_PRIORITY_LOW);
 223                 g_object_unref (new_job);
 224         }
 225 }
 226
 227 static void
 228 setup_fonts_view (EvProperties *properties)
 229 {
 230         GtkTreeView *tree_view = GTK_TREE_VIEW (properties->fonts_treeview);
 231         GtkListStore *list_store;
 232         EvJob *job;
 233
 234         list_store = gtk_list_store_new (NUM_COLS, G_TYPE_STRING);
 235         gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (list_store));
 236
 237         job = ev_job_fonts_new (properties->document);
 238         g_signal_connect_object (job, "finished",
 239                                  G_CALLBACK (job_fonts_finished_cb),
 240                                  properties, 0);
 241         ev_job_queue_add_job (job, EV_JOB_PRIORITY_LOW);
 242         g_object_unref (job);
 243 }
 244
 245 void
 246 ev_properties_set_document (EvProperties *properties,
 247                             EvDocument   *document)
 248 {
 249         EvPageCache *page_cache;
 250         GladeXML *xml = properties->xml;
 251         const EvDocumentInfo *info;
 252         char *text;
 253
 254         properties->document = document;
 255
 256         page_cache = ev_page_cache_get (document);
 257         info = ev_page_cache_get_info (page_cache);
 258
 259         if (info->fields_mask & EV_DOCUMENT_INFO_TITLE) {
 260                 set_property (xml, TITLE_PROPERTY, info->title);
 261         }
 262         if (info->fields_mask & EV_DOCUMENT_INFO_SUBJECT) {
 263                 set_property (xml, SUBJECT_PROPERTY, info->subject);
 264         }
 265         if (info->fields_mask & EV_DOCUMENT_INFO_AUTHOR) {
 266                 set_property (xml, AUTHOR_PROPERTY, info->author);
 267         }
 268         if (info->fields_mask & EV_DOCUMENT_INFO_KEYWORDS) {
 269                 set_property (xml, KEYWORDS_PROPERTY, info->keywords);
 270         }
 271         if (info->fields_mask & EV_DOCUMENT_INFO_PRODUCER) {
 272                 set_property (xml, PRODUCER_PROPERTY, info->producer);
 273         }
 274         if (info->fields_mask & EV_DOCUMENT_INFO_CREATOR) {
 275                 set_property (xml, CREATOR_PROPERTY, info->creator);
 276         }
 277         if (info->fields_mask & EV_DOCUMENT_INFO_CREATION_DATE) {
 278                 text = ev_properties_format_date (info->creation_date);
 279                 set_property (xml, CREATION_DATE_PROPERTY, text);
 280                 g_free (text);
 281         }
 282         if (info->fields_mask & EV_DOCUMENT_INFO_MOD_DATE) {
 283                 text = ev_properties_format_date (info->modified_date);
 284                 set_property (xml, MOD_DATE_PROPERTY, text);
 285                 g_free (text);
 286         }
 287         if (info->fields_mask & EV_DOCUMENT_INFO_FORMAT) {
 288                 char **format_str = g_strsplit (info->format, "-", 2);
 289
 290                 text = g_strdup_printf (_("%s"), format_str[1]);
 291                 set_property (xml, FORMAT_PROPERTY, text);
 292
 293                 g_free (text);
 294                 g_strfreev (format_str);
 295         }
 296         if (info->fields_mask & EV_DOCUMENT_INFO_N_PAGES) {
 297                 text = g_strdup_printf (_("%d"), info->n_pages);
 298                 set_property (xml, N_PAGES_PROPERTY, text);
 299                 g_free (text);
 300         }
 301         if (info->fields_mask & EV_DOCUMENT_INFO_LINEARIZED) {
 302                 set_property (xml, LINEARIZED_PROPERTY, info->linearized);
 303         }
 304         if (info->fields_mask & EV_DOCUMENT_INFO_SECURITY) {
 305                 set_property (xml, SECURITY_PROPERTY, info->security);
 306         }
 307
 308         if (EV_IS_DOCUMENT_FONTS (document)) {
 309                 gtk_widget_show (properties->font_page);
 310                 setup_fonts_view (properties);
 311         } else {
 312                 gtk_widget_hide (properties->font_page);
 313         }
 314 }
 315
 316 EvProperties *
 317 ev_properties_new ()
 318 {
 319         EvProperties *properties;
 320
 321         properties = g_object_new (EV_TYPE_PROPERTIES, NULL);
 322
 323         return properties;
 324 }
 325
 326 void
 327 ev_properties_show (EvProperties *properties, GtkWidget *parent)
 328 {
 329         gtk_window_set_transient_for (GTK_WINDOW (properties->dialog),
 330                                       GTK_WINDOW (parent));
 331         g_signal_connect (properties->dialog, "response",
 332                           G_CALLBACK (gtk_widget_destroy), NULL);
 333         gtk_widget_show (properties->dialog);
 334 }