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                                 filename = g_strdup (_("mail_va_no_subject"));
 260                         if (priv->is_purged) {
 261                                 file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 262                         } else {
 263                                 gchar *header_content_type;
 264                                 header_content_type = modest_tny_mime_part_get_content_type (mime_part);
 265                                 if ((g_str_has_prefix (header_content_type, "message/rfc822") ||
 266                                      g_str_has_prefix (header_content_type, "multipart/") ||
 267                                      g_str_has_prefix (header_content_type, "text/"))) {
 268                                         file_icon_name =
 269                                                 modest_platform_get_file_icon_name (
 270                                                         NULL, tny_mime_part_get_content_type (mime_part), NULL);
 271                                 } else {
 272                                         file_icon_name =
 273                                                 modest_platform_get_file_icon_name (
 274                                                         NULL, header_content_type, NULL);
 275                                 }
 276                                 g_free (header_content_type);
 277                         }
 278                         g_object_unref (header);
 279                 }
 280         } else {
 281                 filename = g_strdup (tny_mime_part_get_filename (mime_part));
 282                 if (priv->is_purged) {
 283                         file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 284                 } else {
 285                         file_icon_name = modest_platform_get_file_icon_name (
 286                                 filename, modest_tny_mime_part_get_content_type (mime_part), NULL);
 287                         show_size = TRUE;
 288                 }
 289         }
 290
 291         if (file_icon_name) {
 292                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 293                 g_free (file_icon_name);
 294         } else {
 295                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 296         }
 297
 298         if (priv->is_purged) {
 299                 gchar * label_str = g_markup_printf_escaped(
 300                         "<span style='italic' foreground='grey'>%s</span>",
 301                         filename);
 302                 gtk_label_set_markup (GTK_LABEL (priv->filename_view), label_str);
 303                 g_free (label_str);
 304         } else {
 305                 gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 306         }
 307         g_free (filename);
 308         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 309
 310         gtk_label_set_text (GTK_LABEL (priv->size_view), "");
 311
 312         if (show_size && priv->detect_size) {
 313                 g_object_ref (self);
 314                 if (!priv->get_size_stream)
 315                         priv->get_size_stream = modest_count_stream_new ();
 316                 g_thread_create (get_mime_part_size_thread, self, FALSE, NULL);
 317         }
 318
 319         gtk_widget_queue_draw (GTK_WIDGET (self));
 320 }
 321
 322 static void
 323 modest_attachment_view_clear (TnyMimePartView *self)
 324 {
 325         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 326         return;
 327 }
 328
 329 static void
 330 modest_attachment_view_clear_default (TnyMimePartView *self)
 331 {
 332         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 333
 334         if (priv->mime_part != NULL) {
 335                 g_object_unref (priv->mime_part);
 336                 priv->mime_part = NULL;
 337         }
 338
 339         if (priv->get_size_stream)
 340                 modest_count_stream_reset_count(MODEST_COUNT_STREAM (priv->get_size_stream));
 341
 342         priv->size = 0;
 343
 344         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 345                                       UNKNOWN_FILE_ICON,
 346                                       GTK_ICON_SIZE_MENU);
 347         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 348         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 349         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 350
 351         gtk_widget_queue_draw (GTK_WIDGET (self));
 352 }
 353
 354
 355 /**
 356  * modest_attachment_view_new:
 357  * @mime_part: a #TnyMimePart
 358  *
 359  * Constructor for attachment view widget.
 360  *
 361  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 362  **/
 363 GtkWidget*
 364 modest_attachment_view_new (TnyMimePart *mime_part, gboolean detect_size)
 365 {
 366         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 367                                                    NULL);
 368
 369         modest_attachment_view_set_detect_size (self, detect_size);
 370
 371         modest_attachment_view_set_part (TNY_MIME_PART_VIEW (self), mime_part);
 372
 373         return GTK_WIDGET (self);
 374 }
 375
 376 static void
 377 modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class)
 378 {
 379         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (instance);
 380         PangoContext *context;
 381         GtkWidget *box = NULL;
 382
 383 #ifdef MODEST_TOOLKIT_HILDON2
 384         PangoAttrList *attr_list;
 385         attr_list = pango_attr_list_new ();
 386         pango_attr_list_insert (attr_list, pango_attr_underline_new (PANGO_UNDERLINE_SINGLE));
 387 #endif
 388
 389         priv->mime_part = NULL;
 390         priv->icon = gtk_image_new ();
 391         priv->filename_view = gtk_label_new ("");
 392         gtk_label_set_line_wrap (GTK_LABEL (priv->filename_view), FALSE);
 393         gtk_label_set_ellipsize (GTK_LABEL (priv->filename_view), PANGO_ELLIPSIZE_END);
 394         gtk_label_set_single_line_mode (GTK_LABEL (priv->filename_view), TRUE);
 395         gtk_label_set_selectable (GTK_LABEL (priv->filename_view), FALSE);
 396         priv->size_view = gtk_label_new (" ");
 397         gtk_label_set_line_wrap (GTK_LABEL (priv->size_view), FALSE);
 398         gtk_label_set_selectable (GTK_LABEL (priv->size_view), FALSE);
 399         gtk_misc_set_alignment (GTK_MISC (priv->size_view), 0.0, 0.5);
 400         gtk_misc_set_alignment (GTK_MISC (priv->filename_view), 0.0, 0.5);
 401
 402 #ifdef MODEST_TOOLKIT_HILDON2
 403         gtk_label_set_attributes (GTK_LABEL (priv->filename_view), attr_list);
 404         gtk_label_set_attributes (GTK_LABEL (priv->size_view), attr_list);
 405 #endif
 406
 407         priv->get_size_stream = NULL;
 408         priv->size = 0;
 409         priv->detect_size = TRUE;
 410
 411         box = gtk_hbox_new (FALSE, 0);
 412         gtk_box_pack_start (GTK_BOX (box), priv->icon, FALSE, FALSE, 0);
 413         gtk_box_pack_start (GTK_BOX (box), priv->filename_view, TRUE, TRUE, 0);
 414         gtk_box_pack_start (GTK_BOX (box), priv->size_view, FALSE, FALSE, 0);
 415         gtk_container_add (GTK_CONTAINER (instance), box);
 416
 417 /*      gtk_widget_get_style */
 418 /*      gtk_widget_modify_bg (instance, GTK_STATE_SELECTED, selection_color); */
 419
 420         context = gtk_widget_get_pango_context (priv->filename_view);
 421         priv->layout_full_filename = pango_layout_new (context);
 422
 423         pango_layout_set_ellipsize (priv->layout_full_filename, PANGO_ELLIPSIZE_NONE);
 424
 425         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), FALSE);
 426         gtk_event_box_set_visible_window (GTK_EVENT_BOX (instance), TRUE);
 427         gtk_widget_set_events (GTK_WIDGET (instance), 0);
 428
 429 #ifdef MODEST_TOOLKIT_HILDON2
 430         pango_attr_list_unref (attr_list);
 431 #endif
 432
 433         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 434
 435         return;
 436 }
 437
 438 static void
 439 modest_attachment_view_finalize (GObject *object)
 440 {
 441         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 442
 443         if (priv->get_size_stream != NULL) {
 444                 g_object_unref (priv->get_size_stream);
 445                 priv->get_size_stream = NULL;
 446         }
 447
 448         if (G_LIKELY (priv->mime_part)) {
 449                 g_object_unref (G_OBJECT (priv->mime_part));
 450                 priv->mime_part = NULL;
 451         }
 452
 453         (*parent_class->finalize) (object);
 454
 455         return;
 456 }
 457
 458 static void
 459 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 460 {
 461         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 462         gint width, width_diff;
 463
 464         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 465         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)))));
 466
 467         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 468         width_diff = priv->filename_view->allocation.width - width;
 469         if (width_diff > 0) {
 470                 GtkAllocation filename_alloc, filesize_alloc;
 471                 filename_alloc = priv->filename_view->allocation;
 472                 filesize_alloc = priv->size_view->allocation;
 473                 filename_alloc.width -= width_diff;
 474                 filesize_alloc.width += width_diff;
 475                 filesize_alloc.x -= width_diff;
 476                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 477                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 478         }
 479
 480 }
 481
 482
 483 static void
 484 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 485 {
 486         GObjectClass *object_class;
 487         GtkWidgetClass *widget_class;
 488
 489         parent_class = g_type_class_peek_parent (klass);
 490         object_class = (GObjectClass*) klass;
 491         widget_class = GTK_WIDGET_CLASS (klass);
 492
 493         object_class->finalize = modest_attachment_view_finalize;
 494
 495         klass->get_part_func = modest_attachment_view_get_part_default;
 496         klass->set_part_func = modest_attachment_view_set_part_default;
 497         klass->clear_func = modest_attachment_view_clear_default;
 498
 499         widget_class->size_allocate = size_allocate;
 500
 501         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPrivate));
 502
 503         return;
 504 }
 505
 506 static void
 507 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 508 {
 509         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 510
 511         klass->get_part = modest_attachment_view_get_part;
 512         klass->set_part = modest_attachment_view_set_part;
 513         klass->clear = modest_attachment_view_clear;
 514
 515         return;
 516 }
 517
 518 GType
 519 modest_attachment_view_get_type (void)
 520 {
 521         static GType type = 0;
 522
 523         if (G_UNLIKELY(type == 0))
 524         {
 525                 static const GTypeInfo info =
 526                 {
 527                   sizeof (ModestAttachmentViewClass),
 528                   NULL,   /* base_init */
 529                   NULL,   /* base_finalize */
 530                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 531                   NULL,   /* class_finalize */
 532                   NULL,   /* class_data */
 533                   sizeof (ModestAttachmentView),
 534                   0,      /* n_preallocs */
 535                   modest_attachment_view_instance_init    /* instance_init */
 536                 };
 537
 538                 static const GInterfaceInfo tny_mime_part_view_info =
 539                 {
 540                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 541                         NULL,        /* interface_finalize */
 542                         NULL         /* interface_data */
 543                 };
 544
 545                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 546                         "ModestAttachmentView",
 547                         &info, 0);
 548
 549                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 550                                              &tny_mime_part_view_info);
 551
 552         }
 553
 554         return type;
 555 }