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 <tny-msg.h>
  41 #include <tny-camel-mem-stream.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         guint get_size_idle_id;
  62         TnyStream *get_size_stream;
  63         guint64 size;
  64
  65         PangoLayout *layout_full_filename;
  66         gboolean is_purged;
  67
  68 };
  69
  70 #define UNKNOWN_FILE_ICON "qgn_list_gene_unknown_file"
  71
  72 #define MODEST_ATTACHMENT_VIEW_GET_PRIVATE(o)   \
  73         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENT_VIEW, ModestAttachmentViewPrivate))
  74
  75 /* TnyMimePartView functions */
  76 static TnyMimePart *modest_attachment_view_get_part (TnyMimePartView *self);
  77 static TnyMimePart *modest_attachment_view_get_part_default (TnyMimePartView *self);
  78 static void modest_attachment_view_set_part (TnyMimePartView *self, TnyMimePart *mime_part);
  79 static void modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part);
  80 static void modest_attachment_view_clear (TnyMimePartView *self);
  81 static void modest_attachment_view_clear_default (TnyMimePartView *self);
  82
  83 /* Gtk events */
  84 static void size_allocate (GtkWidget *widget, GtkAllocation *allocation);
  85
  86 /* GObject and GInterface management */
  87 static void modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class);
  88 static void modest_attachment_view_finalize (GObject *object);
  89 static void modest_attachment_view_class_init (ModestAttachmentViewClass *klass);
  90 static void tny_mime_part_view_init (gpointer g, gpointer iface_data);
  91
  92
  93
  94 static void update_filename_request (ModestAttachmentView *self);
  95
  96
  97 static gboolean
  98 idle_get_mime_part_size_cb (gpointer userdata)
  99 {
 100         ModestAttachmentView *view = (ModestAttachmentView *) userdata;
 101         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (view);
 102         gchar *size_str;
 103         gchar *label_text;
 104         gdk_threads_enter ();
 105
 106         if (GTK_WIDGET_VISIBLE (view)) {
 107                 size_str = modest_text_utils_get_display_size (priv->size);
 108                 label_text = g_strdup_printf (" (%s)", size_str);
 109                 g_free (size_str);
 110                 gtk_label_set_text (GTK_LABEL (priv->size_view), label_text);
 111                 g_free (label_text);
 112         }
 113
 114         gdk_threads_leave ();
 115
 116         g_object_unref (view);
 117
 118         return FALSE;
 119 }
 120
 121 static gpointer
 122 get_mime_part_size_thread (gpointer thr_user_data)
 123 {
 124         ModestAttachmentView *view =  (ModestAttachmentView *) thr_user_data;
 125         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (view);
 126         TnyStream *stream;
 127         gsize total = 0;
 128
 129         stream = modest_count_stream_new();
 130         tny_mime_part_decode_to_stream (priv->mime_part, stream);
 131         total = modest_count_stream_get_count(MODEST_COUNT_STREAM (stream));
 132         if (total == 0) {
 133                 modest_count_stream_reset_count(MODEST_COUNT_STREAM (stream));
 134                 tny_mime_part_write_to_stream (priv->mime_part, stream);
 135                 total = modest_count_stream_get_count(MODEST_COUNT_STREAM (stream));
 136         }
 137         priv->size = (guint64)total;
 138
 139         g_idle_add (idle_get_mime_part_size_cb, g_object_ref (view));
 140
 141         g_object_unref (stream);
 142         g_object_unref (view);
 143
 144         return NULL;
 145 }
 146
 147 static TnyMimePart *
 148 modest_attachment_view_get_part (TnyMimePartView *self)
 149 {
 150         return MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->get_part_func (self);
 151 }
 152
 153 static TnyMimePart *
 154 modest_attachment_view_get_part_default (TnyMimePartView *self)
 155 {
 156         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 157
 158         if (priv->mime_part)
 159                 return TNY_MIME_PART (g_object_ref (priv->mime_part));
 160         else
 161                 return NULL;
 162 }
 163
 164 static void
 165 update_filename_request (ModestAttachmentView *self)
 166 {
 167         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 168         /* gint width, height; */
 169
 170         pango_layout_set_text (PANGO_LAYOUT (priv->layout_full_filename),
 171                                gtk_label_get_text (GTK_LABEL (priv->filename_view)), -1);
 172
 173
 174 }
 175
 176 static void
 177 modest_attachment_view_set_part (TnyMimePartView *self, TnyMimePart *mime_part)
 178 {
 179         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->set_part_func (self, mime_part);
 180         return;
 181 }
 182
 183
 184 static void
 185 modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part)
 186 {
 187         ModestAttachmentViewPrivate *priv = NULL;
 188         gchar *filename = NULL;
 189         gchar *file_icon_name = NULL;
 190         gboolean show_size = FALSE;
 191
 192         g_return_if_fail (TNY_IS_MIME_PART_VIEW (self));
 193         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 194         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 195
 196         if (priv->mime_part != NULL) {
 197                 g_object_unref (priv->mime_part);
 198         }
 199
 200         priv->mime_part = mime_part;
 201
 202         priv->size = 0;
 203         priv->is_purged = tny_mime_part_is_purged (mime_part);
 204
 205         if (TNY_IS_MSG (mime_part)) {
 206                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 207                 if (TNY_IS_HEADER (header)) {
 208                         filename = g_strdup (tny_header_get_subject (header));
 209                         if (filename == NULL || filename[0] == '\0')
 210                                 filename = g_strdup (_("mail_va_no_subject"));
 211                         if (priv->is_purged)
 212                                 file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 213                         else
 214                                 file_icon_name =
 215                                         modest_platform_get_file_icon_name (
 216                                                 NULL, tny_mime_part_get_content_type (mime_part), NULL);
 217                         g_object_unref (header);
 218                 }
 219         } else {
 220                 filename = g_strdup (tny_mime_part_get_filename (mime_part));
 221                 if (priv->is_purged) {
 222                         file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 223                 } else {
 224                         file_icon_name = modest_platform_get_file_icon_name (
 225                                 filename, tny_mime_part_get_content_type (mime_part), NULL);
 226                         show_size = TRUE;
 227                 }
 228         }
 229
 230         if (file_icon_name) {
 231                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 232                 g_free (file_icon_name);
 233         } else {
 234                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 235         }
 236
 237         if (priv->is_purged) {
 238                 gchar * label_str = g_markup_printf_escaped(
 239                         "<span style='italic' foreground='grey'>%s</span>",
 240                         filename);
 241                 gtk_label_set_markup (GTK_LABEL (priv->filename_view), label_str);
 242                 g_free (label_str);
 243         } else {
 244                 gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 245         }
 246         g_free (filename);
 247         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 248
 249         gtk_label_set_text (GTK_LABEL (priv->size_view), "");
 250
 251         if (show_size) {
 252                 tny_camel_mem_stream_get_type ();
 253                 g_object_ref (self);
 254                 g_thread_create (get_mime_part_size_thread, self, FALSE, NULL);
 255         }
 256
 257         gtk_widget_queue_draw (GTK_WIDGET (self));
 258 }
 259
 260 static void
 261 modest_attachment_view_clear (TnyMimePartView *self)
 262 {
 263         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 264         return;
 265 }
 266
 267 static void
 268 modest_attachment_view_clear_default (TnyMimePartView *self)
 269 {
 270         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 271
 272         if (priv->mime_part != NULL) {
 273                 g_object_unref (priv->mime_part);
 274                 priv->mime_part = NULL;
 275         }
 276
 277         if (priv->get_size_idle_id != 0) {
 278                 g_source_remove (priv->get_size_idle_id);
 279                 priv->get_size_idle_id = 0;
 280         }
 281
 282         if (priv->get_size_stream != NULL) {
 283                 g_object_unref (priv->get_size_stream);
 284                 priv->get_size_stream = NULL;
 285         }
 286
 287         priv->size = 0;
 288
 289         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 290                                       UNKNOWN_FILE_ICON,
 291                                       GTK_ICON_SIZE_MENU);
 292         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 293         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 294         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 295
 296         gtk_widget_queue_draw (GTK_WIDGET (self));
 297 }
 298
 299
 300 /**
 301  * modest_attachment_view_new:
 302  * @mime_part: a #TnyMimePart
 303  *
 304  * Constructor for attachment view widget.
 305  *
 306  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 307  **/
 308 GtkWidget*
 309 modest_attachment_view_new (TnyMimePart *mime_part)
 310 {
 311         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 312                                                    NULL);
 313
 314         modest_attachment_view_set_part (TNY_MIME_PART_VIEW (self), mime_part);
 315
 316         return GTK_WIDGET (self);
 317 }
 318
 319 static void
 320 modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class)
 321 {
 322         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (instance);
 323         PangoContext *context;
 324         GtkWidget *box = NULL;
 325
 326         priv->mime_part = NULL;
 327         priv->icon = gtk_image_new ();
 328         priv->filename_view = gtk_label_new ("");
 329         gtk_label_set_line_wrap (GTK_LABEL (priv->filename_view), FALSE);
 330         gtk_label_set_ellipsize (GTK_LABEL (priv->filename_view), PANGO_ELLIPSIZE_END);
 331         gtk_label_set_single_line_mode (GTK_LABEL (priv->filename_view), TRUE);
 332         gtk_label_set_selectable (GTK_LABEL (priv->filename_view), FALSE);
 333         priv->size_view = gtk_label_new (" ");
 334         gtk_label_set_line_wrap (GTK_LABEL (priv->size_view), FALSE);
 335         gtk_label_set_selectable (GTK_LABEL (priv->size_view), FALSE);
 336         gtk_misc_set_alignment (GTK_MISC (priv->size_view), 0.0, 0.5);
 337         gtk_misc_set_alignment (GTK_MISC (priv->filename_view), 0.0, 0.5);
 338
 339         priv->get_size_idle_id = 0;
 340         priv->get_size_stream = NULL;
 341         priv->size = 0;
 342
 343         box = gtk_hbox_new (FALSE, 0);
 344         gtk_box_pack_start (GTK_BOX (box), priv->icon, FALSE, FALSE, 0);
 345         gtk_box_pack_start (GTK_BOX (box), priv->filename_view, TRUE, TRUE, 0);
 346         gtk_box_pack_start (GTK_BOX (box), priv->size_view, FALSE, FALSE, 0);
 347         gtk_container_add (GTK_CONTAINER (instance), box);
 348
 349 /*      gtk_widget_get_style */
 350 /*      gtk_widget_modify_bg (instance, GTK_STATE_SELECTED, selection_color); */
 351
 352         context = gtk_widget_get_pango_context (priv->filename_view);
 353         priv->layout_full_filename = pango_layout_new (context);
 354
 355         pango_layout_set_ellipsize (priv->layout_full_filename, PANGO_ELLIPSIZE_NONE);
 356
 357         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), FALSE);
 358         gtk_event_box_set_visible_window (GTK_EVENT_BOX (instance), TRUE);
 359         gtk_widget_set_events (GTK_WIDGET (instance), 0);
 360
 361         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 362
 363         return;
 364 }
 365
 366 static void
 367 modest_attachment_view_finalize (GObject *object)
 368 {
 369         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 370
 371         if (priv->get_size_idle_id) {
 372                 g_source_remove (priv->get_size_idle_id);
 373                 priv->get_size_idle_id = 0;
 374         }
 375
 376         if (priv->get_size_stream != NULL) {
 377                 g_object_unref (priv->get_size_stream);
 378                 priv->get_size_stream = NULL;
 379         }
 380
 381         if (G_LIKELY (priv->mime_part)) {
 382                 g_object_unref (G_OBJECT (priv->mime_part));
 383                 priv->mime_part = NULL;
 384         }
 385
 386         (*parent_class->finalize) (object);
 387
 388         return;
 389 }
 390
 391 static void
 392 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 393 {
 394         ModestAttachmentViewPrivate *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 395         gint width, width_diff;
 396
 397         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 398         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)))));
 399
 400         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 401         width_diff = priv->filename_view->allocation.width - width;
 402         if (width_diff > 0) {
 403                 GtkAllocation filename_alloc, filesize_alloc;
 404                 filename_alloc = priv->filename_view->allocation;
 405                 filesize_alloc = priv->size_view->allocation;
 406                 filename_alloc.width -= width_diff;
 407                 filesize_alloc.width += width_diff;
 408                 filesize_alloc.x -= width_diff;
 409                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 410                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 411         }
 412
 413 }
 414
 415
 416 static void
 417 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 418 {
 419         GObjectClass *object_class;
 420         GtkWidgetClass *widget_class;
 421
 422         parent_class = g_type_class_peek_parent (klass);
 423         object_class = (GObjectClass*) klass;
 424         widget_class = GTK_WIDGET_CLASS (klass);
 425
 426         object_class->finalize = modest_attachment_view_finalize;
 427
 428         klass->get_part_func = modest_attachment_view_get_part_default;
 429         klass->set_part_func = modest_attachment_view_set_part_default;
 430         klass->clear_func = modest_attachment_view_clear_default;
 431
 432         widget_class->size_allocate = size_allocate;
 433
 434         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPrivate));
 435
 436         return;
 437 }
 438
 439 static void
 440 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 441 {
 442         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 443
 444         klass->get_part_func = modest_attachment_view_get_part;
 445         klass->set_part_func = modest_attachment_view_set_part;
 446         klass->clear_func = modest_attachment_view_clear;
 447
 448         return;
 449 }
 450
 451 GType
 452 modest_attachment_view_get_type (void)
 453 {
 454         static GType type = 0;
 455
 456         if (G_UNLIKELY(type == 0))
 457         {
 458                 static const GTypeInfo info =
 459                 {
 460                   sizeof (ModestAttachmentViewClass),
 461                   NULL,   /* base_init */
 462                   NULL,   /* base_finalize */
 463                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 464                   NULL,   /* class_finalize */
 465                   NULL,   /* class_data */
 466                   sizeof (ModestAttachmentView),
 467                   0,      /* n_preallocs */
 468                   modest_attachment_view_instance_init    /* instance_init */
 469                 };
 470
 471                 static const GInterfaceInfo tny_mime_part_view_info =
 472                 {
 473                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 474                         NULL,        /* interface_finalize */
 475                         NULL         /* interface_data */
 476                 };
 477
 478                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 479                         "ModestAttachmentView",
 480                         &info, 0);
 481
 482                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 483                                              &tny_mime_part_view_info);
 484
 485         }
 486
 487         return type;
 488 }