git.maemo.org Git - modest/blob - src/widgets/modest-mail-header-view.c

   1 /* Copyright (c) 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <glib/gi18n-lib.h>
  33
  34 #include <string.h>
  35 #include <gtk/gtk.h>
  36 #include <modest-text-utils.h>
  37 #include <modest-mail-header-view.h>
  38
  39 static GObjectClass *parent_class = NULL;
  40
  41 /* signals */
  42 enum {
  43         RECPT_ACTIVATED_SIGNAL,
  44         LAST_SIGNAL
  45 };
  46
  47 typedef struct _ModestMailHeaderViewPriv ModestMailHeaderViewPriv;
  48
  49 struct _ModestMailHeaderViewPriv
  50 {
  51         GtkWidget    *fromto_label;
  52         GtkWidget    *fromto_contents;
  53         GtkWidget    *main_vbox;
  54         GtkWidget    *expander;
  55         GtkWidget    *headers_vbox;
  56         GtkSizeGroup *labels_size_group;
  57         gboolean     is_sent;
  58         TnyHeader    *header;
  59 };
  60
  61 #define MODEST_MAIL_HEADER_VIEW_GET_PRIVATE(o)  \
  62         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_MAIL_HEADER_VIEW, ModestMailHeaderViewPriv))
  63
  64 static guint signals[LAST_SIGNAL] = {0};
  65
  66 static void
  67 activate_recpt (GtkWidget *recpt_view, gpointer user_data)
  68 {
  69         ModestMailHeaderView * view = MODEST_MAIL_HEADER_VIEW (user_data);
  70
  71         g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, recpt_view);
  72 }
  73
  74 static void
  75 add_header (ModestMailHeaderView *widget, const gchar *field, const gchar *value)
  76 {
  77         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (widget);
  78         GtkWidget *hbox;
  79         GtkWidget *label_field, *label_value;
  80
  81         hbox = gtk_hbox_new (FALSE, 12);
  82         label_field = gtk_label_new (NULL);
  83         gtk_label_set_markup (GTK_LABEL (label_field), field);
  84         gtk_misc_set_alignment (GTK_MISC (label_field), 0.0, 0.0);
  85         label_value = gtk_label_new (NULL);
  86         gtk_label_set_text (GTK_LABEL (label_value), value);
  87         gtk_label_set_selectable (GTK_LABEL (label_value), TRUE);
  88         gtk_misc_set_alignment (GTK_MISC (label_value), 0.0, 0.0);
  89
  90         gtk_box_pack_start (GTK_BOX (hbox), label_field, FALSE, FALSE, 0);
  91         gtk_box_pack_start (GTK_BOX (hbox), label_value, TRUE, TRUE, 0);
  92         gtk_size_group_add_widget (priv->labels_size_group, label_field);
  93
  94         gtk_box_pack_start (GTK_BOX (priv->headers_vbox), hbox, FALSE, FALSE, 0);
  95         gtk_widget_show (hbox);
  96
  97 }
  98
  99 static void
 100 add_recpt_header (ModestMailHeaderView *widget, const gchar *field, const gchar *value)
 101 {
 102         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (widget);
 103         GtkWidget *hbox;
 104         GtkWidget *label_field, *label_value;
 105
 106         hbox = gtk_hbox_new (FALSE, 12);
 107         label_field = gtk_label_new (NULL);
 108         gtk_label_set_markup (GTK_LABEL (label_field), field);
 109         gtk_misc_set_alignment (GTK_MISC (label_field), 0.0, 0.0);
 110         label_value = modest_recpt_view_new ();
 111         gtk_label_set_text (GTK_LABEL (label_value), value);
 112         gtk_label_set_selectable (GTK_LABEL (label_value), TRUE);
 113         gtk_misc_set_alignment (GTK_MISC (label_value), 0.0, 0.0);
 114         g_signal_connect (G_OBJECT (label_value), "activate", G_CALLBACK (activate_recpt), widget);
 115
 116         gtk_box_pack_start (GTK_BOX (hbox), label_field, FALSE, FALSE, 0);
 117         gtk_box_pack_start (GTK_BOX (hbox), label_value, TRUE, TRUE, 0);
 118         gtk_size_group_add_widget (priv->labels_size_group, label_field);
 119
 120         gtk_box_pack_start (GTK_BOX (priv->headers_vbox), hbox, FALSE, FALSE, 0);
 121         gtk_widget_show (hbox);
 122 }
 123
 124 static void
 125 clean_headers (GtkWidget *vbox)
 126 {
 127         GList *headers_list, *node;
 128
 129         headers_list = gtk_container_get_children (GTK_CONTAINER (vbox));
 130
 131         for (node = headers_list; node != NULL; node = g_list_next (node)) {
 132                 gtk_widget_destroy (GTK_WIDGET (node->data));
 133         }
 134         g_list_free (headers_list);
 135 }
 136
 137 static void
 138 modest_mail_header_view_set_header (TnyHeaderView *self, TnyHeader *header)
 139 {
 140         MODEST_MAIL_HEADER_VIEW_GET_CLASS (self)->set_header_func (self, header);
 141         return;
 142 }
 143
 144 static void
 145 modest_mail_header_view_set_header_default (TnyHeaderView *self, TnyHeader *header)
 146 {
 147         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (self);
 148
 149         if (header)
 150                 g_assert (TNY_IS_HEADER (header));
 151
 152         if (G_LIKELY (priv->header))
 153                 g_object_unref (G_OBJECT (priv->header));
 154         priv->header = NULL;
 155
 156         clean_headers (priv->headers_vbox);
 157
 158         if (header && G_IS_OBJECT (header))
 159         {
 160                 const gchar *to, *from, *subject, *bcc, *cc;
 161                 g_object_ref (G_OBJECT (header));
 162                 priv->header = header;
 163
 164                 to = tny_header_get_to (header);
 165                 from = tny_header_get_from (header);
 166                 subject = tny_header_get_subject (header);
 167                 cc = tny_header_get_cc (header);
 168                 bcc = tny_header_get_bcc (header);
 169
 170                 if (subject)
 171                         add_header (MODEST_MAIL_HEADER_VIEW (self), _("<b>Subject:</b>"), subject);
 172                 if (priv->is_sent) {
 173                         gchar *sent = modest_text_utils_get_display_date (tny_header_get_date_sent (header));
 174                         gtk_label_set_markup (GTK_LABEL (priv->fromto_label), _("<b>To:</b>"));
 175                         if (to)
 176                                 gtk_label_set_text (GTK_LABEL (priv->fromto_contents), to);
 177                         add_header (MODEST_MAIL_HEADER_VIEW (self), _("<b>Sent:</b>"), sent);
 178                         g_free (sent);
 179                 } else {
 180                         gchar *received = modest_text_utils_get_display_date (tny_header_get_date_received (header));
 181                         gtk_label_set_markup (GTK_LABEL (priv->fromto_label), _("<b>From:</b>"));
 182                         if (from)
 183                                 gtk_label_set_text (GTK_LABEL (priv->fromto_contents), from);
 184                         add_header (MODEST_MAIL_HEADER_VIEW (self), _("<b>Received:</b>"), received);
 185                         g_free (received);
 186                 }
 187                 if (cc)
 188                         add_recpt_header (MODEST_MAIL_HEADER_VIEW (self), _("<b>Cc:</b>"), cc);
 189                 if (bcc)
 190                         add_recpt_header (MODEST_MAIL_HEADER_VIEW (self), _("<b>Bcc:</b>"), bcc);
 191         }
 192
 193         gtk_widget_show_all (GTK_WIDGET (self));
 194
 195         return;
 196 }
 197
 198 static void
 199 modest_mail_header_view_clear (TnyHeaderView *self)
 200 {
 201         MODEST_MAIL_HEADER_VIEW_GET_CLASS (self)->clear_func (self);
 202         return;
 203 }
 204
 205 static void
 206 modest_mail_header_view_clear_default (TnyHeaderView *self)
 207 {
 208         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (self);
 209
 210         if (G_LIKELY (priv->header))
 211                 g_object_unref (G_OBJECT (priv->header));
 212         priv->header = NULL;
 213
 214         clean_headers (priv->headers_vbox);
 215
 216         gtk_label_set_text (GTK_LABEL (priv->fromto_label), "");
 217         gtk_label_set_text (GTK_LABEL (priv->fromto_contents), "");
 218
 219         gtk_widget_hide (GTK_WIDGET(self));
 220
 221         return;
 222 }
 223
 224 static void
 225 expander_activate (GtkWidget *expander, ModestMailHeaderView *header_view)
 226 {
 227         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (header_view);
 228
 229         if (gtk_expander_get_expanded (GTK_EXPANDER (expander))) {
 230                 if (gtk_widget_get_parent (priv->headers_vbox) == NULL) {
 231                         gtk_box_pack_start (GTK_BOX(priv->main_vbox), priv->headers_vbox, TRUE, TRUE, 0);
 232                         gtk_widget_show_all (GTK_WIDGET (priv->headers_vbox));
 233                 }
 234         } else {
 235                 if (gtk_widget_get_parent (priv->headers_vbox) != NULL) {
 236                         gtk_container_remove (GTK_CONTAINER (priv->main_vbox), priv->headers_vbox);
 237                 }
 238         }
 239         gtk_widget_queue_resize (GTK_WIDGET (header_view));
 240         gtk_widget_queue_draw (GTK_WIDGET (header_view));
 241 }
 242
 243 /**
 244  * modest_mail_header_view_new:
 245  *
 246  * Return value: a new #ModestHeaderView instance implemented for Gtk+
 247  **/
 248 TnyHeaderView*
 249 modest_mail_header_view_new (void)
 250 {
 251         ModestMailHeaderView *self = g_object_new (MODEST_TYPE_MAIL_HEADER_VIEW, NULL);
 252
 253         return TNY_HEADER_VIEW (self);
 254 }
 255
 256 static void
 257 modest_mail_header_view_instance_init (GTypeInstance *instance, gpointer g_class)
 258 {
 259         ModestMailHeaderView *self = (ModestMailHeaderView *)instance;
 260         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (self);
 261         GtkWidget *fromto_hbox = NULL;
 262         GtkSizeGroup *expander_group = NULL;
 263
 264         priv->header = NULL;
 265
 266         priv->expander = gtk_expander_new (NULL);
 267         priv->main_vbox = gtk_vbox_new (FALSE, 1);
 268         gtk_box_pack_start (GTK_BOX (instance), priv->expander, FALSE, FALSE, 0);
 269         gtk_box_pack_start (GTK_BOX (instance), priv->main_vbox, TRUE, TRUE, 0);
 270         g_signal_connect_after (G_OBJECT (priv->expander), "activate", G_CALLBACK (expander_activate), instance);
 271
 272         fromto_hbox = gtk_hbox_new (FALSE, 12);
 273         priv->fromto_label = gtk_label_new (NULL);
 274         priv->fromto_contents = modest_recpt_view_new ();
 275         gtk_label_set_selectable (GTK_LABEL (priv->fromto_contents), TRUE);
 276         gtk_misc_set_alignment (GTK_MISC (priv->fromto_label), 0.0, 0.0);
 277         gtk_misc_set_alignment (GTK_MISC (priv->fromto_contents), 0.0, 0.0);
 278         g_signal_connect (G_OBJECT (priv->fromto_contents), "activate", G_CALLBACK (activate_recpt), instance);
 279
 280         gtk_box_pack_start (GTK_BOX (fromto_hbox), priv->fromto_label, FALSE, FALSE, 0);
 281         gtk_box_pack_start (GTK_BOX (fromto_hbox), priv->fromto_contents, TRUE, TRUE, 0);
 282         gtk_box_pack_start (GTK_BOX (priv->main_vbox), fromto_hbox, FALSE, FALSE, 0);
 283
 284         priv->labels_size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
 285         gtk_size_group_add_widget (priv->labels_size_group, priv->fromto_label);
 286
 287         priv->headers_vbox = gtk_vbox_new (FALSE, 1);
 288         g_object_ref (priv->headers_vbox);
 289
 290         expander_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
 291         gtk_size_group_add_widget (expander_group, priv->headers_vbox);
 292         gtk_size_group_add_widget (expander_group, fromto_hbox);
 293         g_object_unref (expander_group);
 294
 295         priv->is_sent = FALSE;
 296
 297         return;
 298 }
 299
 300 static void
 301 modest_mail_header_view_finalize (GObject *object)
 302 {
 303         ModestMailHeaderView *self = (ModestMailHeaderView *)object;
 304         ModestMailHeaderViewPriv *priv = MODEST_MAIL_HEADER_VIEW_GET_PRIVATE (self);
 305
 306         if (G_LIKELY (priv->header))
 307                 g_object_unref (G_OBJECT (priv->header));
 308         priv->header = NULL;
 309
 310         if (G_LIKELY (priv->headers_vbox))
 311                 g_object_unref (G_OBJECT (priv->headers_vbox));
 312
 313         priv->headers_vbox = NULL;
 314
 315         g_object_unref (priv->labels_size_group);
 316
 317         (*parent_class->finalize) (object);
 318
 319         return;
 320 }
 321
 322 static void
 323 tny_header_view_init (gpointer g, gpointer iface_data)
 324 {
 325         TnyHeaderViewIface *klass = (TnyHeaderViewIface *)g;
 326
 327         klass->set_header_func = modest_mail_header_view_set_header;
 328         klass->clear_func = modest_mail_header_view_clear;
 329
 330         return;
 331 }
 332
 333 static void
 334 modest_mail_header_view_class_init (ModestMailHeaderViewClass *klass)
 335 {
 336         GObjectClass *object_class;
 337
 338         parent_class = g_type_class_peek_parent (klass);
 339         object_class = (GObjectClass*) klass;
 340
 341         klass->set_header_func = modest_mail_header_view_set_header_default;
 342         klass->clear_func = modest_mail_header_view_clear_default;
 343
 344         object_class->finalize = modest_mail_header_view_finalize;
 345
 346         klass->recpt_activated = NULL;
 347
 348         g_type_class_add_private (object_class, sizeof (ModestMailHeaderViewPriv));
 349
 350         signals[RECPT_ACTIVATED_SIGNAL] =
 351                 g_signal_new ("recpt-activated",
 352                               G_TYPE_FROM_CLASS (object_class),
 353                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 354                               G_STRUCT_OFFSET(ModestMailHeaderViewClass, recpt_activated),
 355                               NULL, NULL,
 356                               g_cclosure_marshal_VOID__POINTER,
 357                               G_TYPE_NONE, 1,
 358                               MODEST_TYPE_RECPT_VIEW);
 359
 360
 361         return;
 362 }
 363
 364 GType
 365 modest_mail_header_view_get_type (void)
 366 {
 367         static GType type = 0;
 368
 369         if (G_UNLIKELY(type == 0))
 370         {
 371                 static const GTypeInfo info =
 372                 {
 373                   sizeof (ModestMailHeaderViewClass),
 374                   NULL,   /* base_init */
 375                   NULL,   /* base_finalize */
 376                   (GClassInitFunc) modest_mail_header_view_class_init,   /* class_init */
 377                   NULL,   /* class_finalize */
 378                   NULL,   /* class_data */
 379                   sizeof (ModestMailHeaderView),
 380                   0,      /* n_preallocs */
 381                   modest_mail_header_view_instance_init    /* instance_init */
 382                 };
 383
 384                 static const GInterfaceInfo tny_header_view_info =
 385                 {
 386                   (GInterfaceInitFunc) tny_header_view_init, /* interface_init */
 387                   NULL,         /* interface_finalize */
 388                   NULL          /* interface_data */
 389                 };
 390
 391                 type = g_type_register_static (GTK_TYPE_HBOX,
 392                         "ModestMailHeaderView",
 393                         &info, 0);
 394
 395                 g_type_add_interface_static (type, TNY_TYPE_HEADER_VIEW,
 396                         &tny_header_view_info);
 397
 398         }
 399
 400         return type;
 401 }