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
  30 #include <glib/gi18n.h>
  31 #include <gtk/gtk.h>
  32 #include <glade/glade.h>
  33 #include <time.h>
  34 #include <sys/time.h>
  35
  36 enum
  37 {
  38         FONT_NAME_COL,
  39         NUM_COLS
  40 };
  41
  42 typedef enum
  43 {
  44         TITLE_PROPERTY,
  45         SUBJECT_PROPERTY,
  46         AUTHOR_PROPERTY,
  47         KEYWORDS_PROPERTY,
  48         PRODUCER_PROPERTY,
  49         CREATOR_PROPERTY,
  50         CREATION_DATE_PROPERTY,
  51         MOD_DATE_PROPERTY,
  52         N_PAGES_PROPERTY,
  53         LINEARIZED_PROPERTY,
  54         FORMAT_PROPERTY,
  55         SECURITY_PROPERTY
  56 } Property;
  57
  58 typedef struct
  59 {
  60         Property property;
  61         const char *label_id;
  62 } PropertyInfo;
  63
  64 static const PropertyInfo properties_info[] = {
  65         { TITLE_PROPERTY, "title" },
  66         { SUBJECT_PROPERTY, "subject" },
  67         { AUTHOR_PROPERTY, "author" },
  68         { KEYWORDS_PROPERTY, "keywords" },
  69         { PRODUCER_PROPERTY, "producer" },
  70         { CREATOR_PROPERTY, "creator" },
  71         { CREATION_DATE_PROPERTY, "created" },
  72         { MOD_DATE_PROPERTY, "modified" },
  73         { N_PAGES_PROPERTY, "pages" },
  74         { LINEARIZED_PROPERTY, "optimized" },
  75         { FORMAT_PROPERTY, "version" },
  76         { SECURITY_PROPERTY, "security" }
  77 };
  78
  79 /* Returns a locale specific date and time representation */
  80 static char *
  81 ev_properties_format_date (GTime utime)
  82 {
  83         time_t time = (time_t) utime;
  84         struct tm t;
  85         char s[256];
  86         const char *fmt_hack = "%c";
  87         size_t len;
  88
  89         if (!localtime_r (&time, &t)) return NULL;
  90
  91         len = strftime (s, sizeof (s), fmt_hack, &t);
  92         if (len == 0 || s[0] == '\0') return NULL;
  93
  94         return g_locale_to_utf8 (s, -1, NULL, NULL, NULL);
  95 }
  96
  97 static void
  98 set_property (GladeXML *xml, Property property, const char *text)
  99 {
 100         GtkWidget *widget;
 101
 102         widget = glade_xml_get_widget (xml, properties_info[property].label_id);
 103         g_return_if_fail (GTK_IS_LABEL (widget));
 104
 105         gtk_label_set_text (GTK_LABEL (widget), text ? text : "");
 106 }
 107
 108 static void
 109 update_progress_label (GtkWidget *label, double progress)
 110 {
 111         if (progress > 0) {
 112                 char *progress_text;
 113                 progress_text = g_strdup_printf (_("Gathering font information... %3d%%"),
 114                                                  (int) (progress * 100));
 115                 gtk_label_set_text (GTK_LABEL (label), progress_text);
 116                 g_free (progress_text);
 117         } else {
 118                 gtk_label_set_text (GTK_LABEL (label), "");
 119         }
 120 }
 121
 122 static void
 123 job_fonts_finished_cb (EvJob *job, GtkTreeView *tree_view)
 124 {
 125         EvDocumentFonts *document_fonts = EV_DOCUMENT_FONTS (job->document);
 126         GtkWidget *progress_label;
 127         double progress;
 128
 129         progress_label = g_object_get_data (G_OBJECT (tree_view), "progress_label");
 130         progress = ev_document_fonts_get_progress (document_fonts);
 131         update_progress_label (progress_label, progress);
 132
 133         if (EV_JOB_FONTS (job)->scan_completed) {
 134                 g_signal_handlers_disconnect_by_func
 135                                 (job, job_fonts_finished_cb, tree_view);
 136         } else {
 137                 EvJob *new_job;
 138
 139                 ev_document_fonts_fill_model (document_fonts,
 140                                               gtk_tree_view_get_model (tree_view));
 141                 new_job = ev_job_fonts_new (job->document);
 142                 ev_job_queue_add_job (job, EV_JOB_PRIORITY_LOW);
 143                 g_object_unref (new_job);
 144         }
 145 }
 146
 147 static void
 148 setup_fonts_view (GladeXML *xml, EvDocument *document)
 149 {
 150         GtkCellRenderer *renderer;
 151         GtkTreeViewColumn *column;
 152         GtkListStore *list_store;
 153         EvJob *job;
 154         GtkWidget *tree_view;
 155         GtkWidget *progress_label;
 156
 157         tree_view = glade_xml_get_widget (xml, "fonts_treeview");
 158         progress_label = glade_xml_get_widget (xml, "font_progress_label");
 159
 160         column = gtk_tree_view_column_new ();
 161         gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
 162         gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
 163
 164         renderer = gtk_cell_renderer_text_new ();
 165         gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
 166         gtk_tree_view_column_set_title (GTK_TREE_VIEW_COLUMN (column), _("Name"));
 167         gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
 168                                              "text", EV_DOCUMENT_FONTS_COLUMN_NAME,
 169                                              NULL);
 170
 171         list_store = gtk_list_store_new (NUM_COLS, G_TYPE_STRING);
 172         gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view),
 173                                  GTK_TREE_MODEL (list_store));
 174
 175         job = ev_job_fonts_new (document);
 176         g_object_set_data (G_OBJECT (tree_view), "progress_label",
 177                            progress_label);
 178         g_signal_connect_object (job, "finished",
 179                                  G_CALLBACK (job_fonts_finished_cb),
 180                                  tree_view, 0);
 181         ev_job_queue_add_job (job, EV_JOB_PRIORITY_LOW);
 182         g_object_unref (job);
 183 }
 184
 185 GtkDialog *
 186 ev_properties_new (EvDocument *document, const EvDocumentInfo *info)
 187 {
 188         GladeXML *xml;
 189         GtkWidget *dialog;
 190         char *text;
 191
 192         /* Create a new GladeXML object from XML file glade_file */
 193         xml = glade_xml_new (DATADIR "/evince-properties.glade", NULL, NULL);
 194         g_return_val_if_fail (xml != NULL, NULL);
 195
 196         dialog = glade_xml_get_widget (xml, "properties_dialog");
 197         g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL);
 198
 199         if (info->fields_mask & EV_DOCUMENT_INFO_TITLE) {
 200                 set_property (xml, TITLE_PROPERTY, info->title);
 201         }
 202         if (info->fields_mask & EV_DOCUMENT_INFO_SUBJECT) {
 203                 set_property (xml, SUBJECT_PROPERTY, info->subject);
 204         }
 205         if (info->fields_mask & EV_DOCUMENT_INFO_AUTHOR) {
 206                 set_property (xml, AUTHOR_PROPERTY, info->author);
 207         }
 208         if (info->fields_mask & EV_DOCUMENT_INFO_KEYWORDS) {
 209                 set_property (xml, KEYWORDS_PROPERTY, info->keywords);
 210         }
 211         if (info->fields_mask & EV_DOCUMENT_INFO_PRODUCER) {
 212                 set_property (xml, PRODUCER_PROPERTY, info->producer);
 213         }
 214         if (info->fields_mask & EV_DOCUMENT_INFO_CREATOR) {
 215                 set_property (xml, CREATOR_PROPERTY, info->creator);
 216         }
 217         if (info->fields_mask & EV_DOCUMENT_INFO_CREATION_DATE) {
 218                 text = ev_properties_format_date (info->creation_date);
 219                 set_property (xml, CREATION_DATE_PROPERTY, text);
 220                 g_free (text);
 221         }
 222         if (info->fields_mask & EV_DOCUMENT_INFO_MOD_DATE) {
 223                 text = ev_properties_format_date (info->modified_date);
 224                 set_property (xml, MOD_DATE_PROPERTY, text);
 225                 g_free (text);
 226         }
 227         if (info->fields_mask & EV_DOCUMENT_INFO_FORMAT) {
 228                 char **format_str = g_strsplit (info->format, "-", 2);
 229
 230                 text = g_strdup_printf (_("%s"), format_str[1]);
 231                 set_property (xml, FORMAT_PROPERTY, text);
 232
 233                 g_free (text);
 234                 g_strfreev (format_str);
 235         }
 236         if (info->fields_mask & EV_DOCUMENT_INFO_N_PAGES) {
 237                 text = g_strdup_printf (_("%d"), info->n_pages);
 238                 set_property (xml, N_PAGES_PROPERTY, text);
 239                 g_free (text);
 240         }
 241         if (info->fields_mask & EV_DOCUMENT_INFO_LINEARIZED) {
 242                 set_property (xml, LINEARIZED_PROPERTY, info->linearized);
 243         }
 244         if (info->fields_mask & EV_DOCUMENT_INFO_SECURITY) {
 245                 set_property (xml, SECURITY_PROPERTY, info->security);
 246         }
 247
 248         if (EV_IS_DOCUMENT_FONTS (document)) {
 249                 setup_fonts_view (xml, document);
 250         } else {
 251                 gtk_widget_hide (glade_xml_get_widget (xml, "fonts_page"));
 252         }
 253
 254         return GTK_DIALOG (dialog);
 255 }