git.maemo.org Git - modest/blob - src/widgets/modest-attachment-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 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #endif /*HAVE_CONFIG_H*/
  33
  34 #include <glib/gi18n.h>
  35
  36 #include <string.h>
  37 #include <modest-attachment-view.h>
  38 #include <modest-platform.h>
  39 #include <modest-text-utils.h>
  40 #include <modest-tny-mime-part.h>
  41 #include <tny-msg.h>
  42 #include <modest-mail-operation.h>
  43 #include <modest-mail-operation-queue.h>
  44 #include <modest-runtime.h>
  45 #include <modest-count-stream.h>
  46
  47 #define GET_SIZE_BUFFER_SIZE 128
  48
  49 static GObjectClass *parent_class = NULL;
  50
  51 typedef struct _ModestAttachmentViewPrivate ModestAttachmentViewPrivate;
  52
  53 struct _ModestAttachmentViewPrivate
  54 {
  55         TnyMimePart *mime_part;
  56
  57         GtkWidget *icon;
  58         GtkWidget *filename_view;
  59         GtkWidget *size_view;
  60
  61         gboolean detect_size;
  62         TnyStream *get_size_stream;
  63         guint64 size;
  64
  65         PangoLayout *layout_full_filename;
  66         gboolean is_purged;
  67
  68 };
  69
  70 #ifdef MODEST_TOOLKIT_HILDON2
  71 #define UNKNOWN_FILE_ICON "filemanager_unknown_file"
  72 #else
  73 #define UNKNOWN_FILE_ICON "qgn_list_gene_unknown_file"
  74 #endif
  75
  76 #define MODEST_ATTACHMENT_VIEW_GET_PRIVATE(o)   \
  77         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENT_VIEW, ModestAttachmentViewPrivate))
  78
  79 /* TnyMimePartView functions */
  80 static TnyMimePart *modest_attachment_view_get_part (TnyMimePartView *self);
  81 static TnyMimePart *modest_attachment_view_get_part_default (TnyMimePartView *self);
  82 static void modest_attachment_view_set_part (TnyMimePartView *self, TnyMimePart *mime_part);
  83 static void modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part);
  84 static void modest_attachment_view_clear (TnyMimePartView *self);
  85 static void modest_attachment_view_clear_default (TnyMimePartView *self);
  86
  87 /* Gtk events */
  88 static void size_allocate (GtkWidget *widget, GtkAllocation *allocation);
  89
  90 /* GObject and GInterface management */
  91 static void modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class);
  92 static void modest_attachment_view_finalize (GObject *object);
  93 static void modest_attachment_view_class_init (ModestAttachmentViewClass *klass);
  94 static void tny_mime_part_view_init (gpointer g, gpointer iface_data);
  95
  96
  97
  98 static void update_filename_request (ModestAttachmentView *self);
  99
 100 static void update_size_label (ModestAttachmentView *self)
 101 {
 102         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 103         gchar *size_str;
 104         gchar *label_text;
 105
 106         size_str = modest_text_utils_get_display_size (priv->size);
 107         label_text = g_strdup_printf (" (%s)", size_str);
 108         g_free (size_str);
 109         gtk_label_set_text (GTK_LABEL (priv->size_view), label_text);
 110         g_free (label_text);
 111 }
 112
 113 static gboolean
 114 idle_get_mime_part_size_cb (gpointer userdata)
 115 {
 116         ModestAttachmentView *view = (ModestAttachmentView *) userdata;
 117         gdk_threads_enter ();
 118
 119         if (GTK_WIDGET_VISIBLE (view)) {
 120                 update_size_label (view);
 121         }
 122
 123         gdk_threads_leave ();
 124
 125         g_object_unref (view);
 126
 127         return FALSE;
 128 }
 129
 130 static gpointer
 131 get_mime_part_size_thread (gpointer thr_user_data)
 132 {
 133         ModestAttachmentView *view =  (ModestAttachmentView *) thr_user_data;
 134         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (view);
 135         gsize total = 0;
 136         gssize result = 0;
 137
 138         result = tny_mime_part_decode_to_stream (priv->mime_part, priv->get_size_stream, NULL);
 139         total = modest_count_stream_get_count(MODEST_COUNT_STREAM (priv->get_size_stream));
 140         if (total == 0) {
 141                 modest_count_stream_reset_count(MODEST_COUNT_STREAM (priv->get_size_stream));
 142                 result = tny_mime_part_write_to_stream (priv->mime_part, priv->get_size_stream, NULL);
 143                 total = modest_count_stream_get_count(MODEST_COUNT_STREAM (priv->get_size_stream));
 144         }
 145
 146         /* if there was an error, don't set the size (this is pretty uncommon) */
 147         if (result < 0) {
 148                 g_warning ("%s: error while writing mime part to stream\n", __FUNCTION__);
 149         } else {
 150                 priv->size = (guint64)total;
 151                 g_idle_add (idle_get_mime_part_size_cb, g_object_ref (view));
 152         }
 153         g_object_unref (view);
 154
 155         return NULL;
 156 }
 157
 158 void
 159 modest_attachment_view_set_detect_size (ModestAttachmentView *self, gboolean detect_size)
 160 {
 161         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 162
 163         priv->detect_size = detect_size;
 164
 165 }
 166
 167 void
 168 modest_attachment_view_set_size (ModestAttachmentView *self, guint64 size)
 169 {
 170         ModestAttachmentViewPrivate *priv;
 171
 172         g_return_if_fail (MODEST_IS_ATTACHMENT_VIEW (self));
 173         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 174
 175         if (!priv->detect_size) {
 176                 priv->size = size;
 177                 update_size_label (self);
 178         } else {
 179                 g_assert ("Shouldn't set the size of the attachment view if detect size is enabled");
 180         }
 181 }
 182
 183 guint64
 184 modest_attachment_view_get_size (ModestAttachmentView *self)
 185 {
 186         ModestAttachmentViewPrivate *priv;
 187
 188         g_return_val_if_fail (MODEST_IS_ATTACHMENT_VIEW (self), 0);
 189         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 190
 191         return priv->size;
 192 }
 193
 194 static TnyMimePart *
 195 modest_attachment_view_get_part (TnyMimePartView *self)
 196 {
 197         return MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->get_part_func (self);
 198 }
 199
 200 static TnyMimePart *
 201 modest_attachment_view_get_part_default (TnyMimePartView *self)
 202 {
 203         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 204
 205         if (priv->mime_part)
 206                 return TNY_MIME_PART (g_object_ref (priv->mime_part));
 207         else
 208                 return NULL;
 209 }
 210
 211 static void
 212 update_filename_request (ModestAttachmentView *self)
 213 {
 214         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 215         /* gint width, height; */
 216
 217         pango_layout_set_text (PANGO_LAYOUT (priv->layout_full_filename),
 218                                gtk_label_get_text (GTK_LABEL (priv->filename_view)), -1);
 219
 220
 221 }
 222
 223 static void
 224 modest_attachment_view_set_part (TnyMimePartView *self, TnyMimePart *mime_part)
 225 {
 226         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->set_part_func (self, mime_part);
 227         return;
 228 }
 229
 230
 231 static void
 232 modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part)
 233 {
 234         ModestAttachmentViewPrivate *priv = NULL;
 235         gchar *filename = NULL;
 236         gchar *file_icon_name = NULL;
 237         gboolean show_size = FALSE;
 238
 239         g_return_if_fail (TNY_IS_MIME_PART_VIEW (self));
 240         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 241         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 242
 243         if (priv->mime_part != NULL) {
 244                 g_object_unref (priv->mime_part);
 245         }
 246
 247         priv->mime_part = g_object_ref (mime_part);
 248
 249         priv->size = 0;
 250         priv->is_purged = tny_mime_part_is_purged (mime_part);
 251
 252         if (TNY_IS_MSG (mime_part)) {
 253                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 254                 if (TNY_IS_HEADER (header)) {
 255                         filename = g_strdup (tny_mime_part_get_filename (mime_part));
 256                         if (!filename)
 257                                 filename = tny_header_dup_subject (header);
 258                         if (filename == NULL || filename[0] == '\0') {
 259                                 if (filename)
 260                                         g_free (filename);
 261                                 filename = g_strdup (_("mail_va_no_subject"));
 262                         }
 263                         if (priv->is_purged) {
 264                                 file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 265                         } else {
 266                                 gchar *header_content_type;
 267                                 header_content_type = modest_tny_mime_part_get_content_type (mime_part);
 268                                 if ((g_str_has_prefix (header_content_type, "message/rfc822") ||
 269                                      g_str_has_prefix (header_content_type, "multipart/") ||
 270                                      g_str_has_prefix (header_content_type, "text/"))) {
 271                                         file_icon_name =
 272                                                 modest_platform_get_file_icon_name (
 273                                                         NULL, tny_mime_part_get_content_type (mime_part), NULL);
 274                                 } else {
 275                                         file_icon_name =
 276                                                 modest_platform_get_file_icon_name (
 277                                                         NULL, header_content_type, NULL);
 278                                 }
 279                                 g_free (header_content_type);
 280                         }
 281                         g_object_unref (header);
 282                 }
 283         } else {
 284                 filename = g_strdup (tny_mime_part_get_filename (mime_part));
 285                 if (priv->is_purged) {
 286                         file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 287                 } else {
 288                         file_icon_name = modest_platform_get_file_icon_name (
 289                                 filename, modest_tny_mime_part_get_content_type (mime_part), NULL);
 290                         show_size = TRUE;
 291                 }
 292         }
 293
 294         if (file_icon_name) {
 295                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 296                 g_free (file_icon_name);
 297         } else {
 298                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 299         }
 300
 301         if (priv->is_purged) {
 302                 gchar * label_str = g_markup_printf_escaped(
 303                         "<span style='italic' foreground='grey'>%s</span>",
 304                         filename);
 305                 gtk_label_set_markup (GTK_LABEL (priv->filename_view), label_str);
 306                 g_free (label_str);
 307         } else {
 308                 gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 309         }
 310         g_free (filename);
 311         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 312
 313         gtk_label_set_text (GTK_LABEL (priv->size_view), "");
 314
 315         if (show_size && priv->detect_size) {
 316                 g_object_ref (self);
 317                 if (!priv->get_size_stream)
 318                         priv->get_size_stream = modest_count_stream_new ();
 319                 g_thread_create (get_mime_part_size_thread, self, FALSE, NULL);
 320         }
 321
 322         gtk_widget_queue_draw (GTK_WIDGET (self));
 323 }
 324
 325 static void
 326 modest_attachment_view_clear (TnyMimePartView *self)
 327 {
 328         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 329         return;
 330 }
 331
 332 static void
 333 modest_attachment_view_clear_default (TnyMimePartView *self)
 334 {
 335         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 336
 337         if (priv->mime_part != NULL) {
 338                 g_object_unref (priv->mime_part);
 339                 priv->mime_part = NULL;
 340         }
 341
 342         if (priv->get_size_stream)
 343                 modest_count_stream_reset_count(MODEST_COUNT_STREAM (priv->get_size_stream));
 344
 345         priv->size = 0;
 346
 347         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 348                                       UNKNOWN_FILE_ICON,
 349                                       GTK_ICON_SIZE_MENU);
 350         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 351         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 352         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 353
 354         gtk_widget_queue_draw (GTK_WIDGET (self));
 355 }
 356
 357
 358 /**
 359  * modest_attachment_view_new:
 360  * @mime_part: a #TnyMimePart
 361  *
 362  * Constructor for attachment view widget.
 363  *
 364  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 365  **/
 366 GtkWidget*
 367 modest_attachment_view_new (TnyMimePart *mime_part, gboolean detect_size)
 368 {
 369         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 370                                                    NULL);
 371
 372         modest_attachment_view_set_detect_size (self, detect_size);
 373
 374         modest_attachment_view_set_part (TNY_MIME_PART_VIEW (self), mime_part);
 375
 376         return GTK_WIDGET (self);
 377 }
 378
 379 static void
 380 modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class)
 381 {
 382         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (instance);
 383         PangoContext *context;
 384         GtkWidget *box = NULL;
 385
 386 #ifdef MODEST_TOOLKIT_HILDON2
 387         PangoAttrList *attr_list;
 388         attr_list = pango_attr_list_new ();
 389         pango_attr_list_insert (attr_list, pango_attr_underline_new (PANGO_UNDERLINE_SINGLE));
 390 #endif
 391
 392         priv->mime_part = NULL;
 393         priv->icon = gtk_image_new ();
 394         priv->filename_view = gtk_label_new ("");
 395         gtk_label_set_line_wrap (GTK_LABEL (priv->filename_view), FALSE);
 396         gtk_label_set_ellipsize (GTK_LABEL (priv->filename_view), PANGO_ELLIPSIZE_END);
 397         gtk_label_set_single_line_mode (GTK_LABEL (priv->filename_view), TRUE);
 398         gtk_label_set_selectable (GTK_LABEL (priv->filename_view), FALSE);
 399         priv->size_view = gtk_label_new (" ");
 400         gtk_label_set_line_wrap (GTK_LABEL (priv->size_view), FALSE);
 401         gtk_label_set_selectable (GTK_LABEL (priv->size_view), FALSE);
 402         gtk_misc_set_alignment (GTK_MISC (priv->size_view), 0.0, 0.5);
 403         gtk_misc_set_alignment (GTK_MISC (priv->filename_view), 0.0, 0.5);
 404
 405 #ifdef MODEST_TOOLKIT_HILDON2
 406         gtk_label_set_attributes (GTK_LABEL (priv->filename_view), attr_list);
 407         gtk_label_set_attributes (GTK_LABEL (priv->size_view), attr_list);
 408 #endif
 409
 410         priv->get_size_stream = NULL;
 411         priv->size = 0;
 412         priv->detect_size = TRUE;
 413
 414         box = gtk_hbox_new (FALSE, 0);
 415         gtk_box_pack_start (GTK_BOX (box), priv->icon, FALSE, FALSE, 0);
 416         gtk_box_pack_start (GTK_BOX (box), priv->filename_view, TRUE, TRUE, 0);
 417         gtk_box_pack_start (GTK_BOX (box), priv->size_view, FALSE, FALSE, 0);
 418         gtk_container_add (GTK_CONTAINER (instance), box);
 419
 420 /*      gtk_widget_get_style */
 421 /*      gtk_widget_modify_bg (instance, GTK_STATE_SELECTED, selection_color); */
 422
 423         context = gtk_widget_get_pango_context (priv->filename_view);
 424         priv->layout_full_filename = pango_layout_new (context);
 425
 426         pango_layout_set_ellipsize (priv->layout_full_filename, PANGO_ELLIPSIZE_NONE);
 427
 428         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), FALSE);
 429         gtk_event_box_set_visible_window (GTK_EVENT_BOX (instance), TRUE);
 430         gtk_widget_set_events (GTK_WIDGET (instance), 0);
 431
 432 #ifdef MODEST_TOOLKIT_HILDON2
 433         pango_attr_list_unref (attr_list);
 434 #endif
 435
 436         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 437
 438         return;
 439 }
 440
 441 static void
 442 modest_attachment_view_finalize (GObject *object)
 443 {
 444         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 445
 446         if (priv->get_size_stream != NULL) {
 447                 g_object_unref (priv->get_size_stream);
 448                 priv->get_size_stream = NULL;
 449         }
 450
 451         if (G_LIKELY (priv->mime_part)) {
 452                 g_object_unref (G_OBJECT (priv->mime_part));
 453                 priv->mime_part = NULL;
 454         }
 455
 456         (*parent_class->finalize) (object);
 457
 458         return;
 459 }
 460
 461 static void
 462 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 463 {
 464         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 465         gint width, width_diff;
 466
 467         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 468         pango_layout_set_font_description (priv->layout_full_filename, pango_context_get_font_description(pango_layout_get_context (gtk_label_get_layout (GTK_LABEL (priv->filename_view)))));
 469
 470         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 471         width_diff = priv->filename_view->allocation.width - width;
 472         if (width_diff > 0) {
 473                 GtkAllocation filename_alloc, filesize_alloc;
 474                 filename_alloc = priv->filename_view->allocation;
 475                 filesize_alloc = priv->size_view->allocation;
 476                 filename_alloc.width -= width_diff;
 477                 filesize_alloc.width += width_diff;
 478                 filesize_alloc.x -= width_diff;
 479                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 480                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 481         }
 482
 483 }
 484
 485
 486 static void
 487 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 488 {
 489         GObjectClass *object_class;
 490         GtkWidgetClass *widget_class;
 491
 492         parent_class = g_type_class_peek_parent (klass);
 493         object_class = (GObjectClass*) klass;
 494         widget_class = GTK_WIDGET_CLASS (klass);
 495
 496         object_class->finalize = modest_attachment_view_finalize;
 497
 498         klass->get_part_func = modest_attachment_view_get_part_default;
 499         klass->set_part_func = modest_attachment_view_set_part_default;
 500         klass->clear_func = modest_attachment_view_clear_default;
 501
 502         widget_class->size_allocate = size_allocate;
 503
 504         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPrivate));
 505
 506         return;
 507 }
 508
 509 static void
 510 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 511 {
 512         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 513
 514         klass->get_part = modest_attachment_view_get_part;
 515         klass->set_part = modest_attachment_view_set_part;
 516         klass->clear = modest_attachment_view_clear;
 517
 518         return;
 519 }
 520
 521 GType
 522 modest_attachment_view_get_type (void)
 523 {
 524         static GType type = 0;
 525
 526         if (G_UNLIKELY(type == 0))
 527         {
 528                 static const GTypeInfo info =
 529                 {
 530                   sizeof (ModestAttachmentViewClass),
 531                   NULL,   /* base_init */
 532                   NULL,   /* base_finalize */
 533                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 534                   NULL,   /* class_finalize */
 535                   NULL,   /* class_data */
 536                   sizeof (ModestAttachmentView),
 537                   0,      /* n_preallocs */
 538                   modest_attachment_view_instance_init    /* instance_init */
 539                 };
 540
 541                 static const GInterfaceInfo tny_mime_part_view_info =
 542                 {
 543                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 544                         NULL,        /* interface_finalize */
 545                         NULL         /* interface_data */
 546                 };
 547
 548                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 549                         "ModestAttachmentView",
 550                         &info, 0);
 551
 552                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 553                                              &tny_mime_part_view_info);
 554
 555         }
 556
 557         return type;
 558 }