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
  43 static GObjectClass *parent_class = NULL;
  44
  45 typedef struct _ModestAttachmentViewPriv ModestAttachmentViewPriv;
  46
  47 struct _ModestAttachmentViewPriv
  48 {
  49         TnyMimePart *mime_part;
  50
  51         GtkWidget *icon;
  52         GtkWidget *filename_view;
  53         GtkWidget *size_view;
  54
  55         guint get_size_idle_id;
  56         TnyStream *get_size_stream;
  57         guint64 size;
  58
  59         PangoLayout *layout_full_filename;
  60
  61 };
  62
  63 #define UNKNOWN_FILE_ICON "qgn_list_gene_unknown_file"
  64 #define GET_SIZE_BUFFER_SIZE 128
  65
  66 #define MODEST_ATTACHMENT_VIEW_GET_PRIVATE(o)   \
  67         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_ATTACHMENT_VIEW, ModestAttachmentViewPriv))
  68
  69 /* TnyMimePartView functions */
  70 static TnyMimePart *modest_attachment_view_get_part (TnyMimePartView *self);
  71 static TnyMimePart *modest_attachment_view_get_part_default (TnyMimePartView *self);
  72 static void modest_attachment_view_set_part (TnyMimePartView *self, TnyMimePart *mime_part);
  73 static void modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part);
  74 static void modest_attachment_view_clear (TnyMimePartView *self);
  75 static void modest_attachment_view_clear_default (TnyMimePartView *self);
  76
  77 /* Gtk events */
  78 static void size_allocate (GtkWidget *widget, GtkAllocation *allocation);
  79
  80 /* GObject and GInterface management */
  81 static void modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class);
  82 static void modest_attachment_view_finalize (GObject *object);
  83 static void modest_attachment_view_class_init (ModestAttachmentViewClass *klass);
  84 static void tny_mime_part_view_init (gpointer g, gpointer iface_data);
  85
  86
  87
  88 static gboolean get_size_idle_func (gpointer data);
  89 static void update_filename_request (ModestAttachmentView *self);
  90
  91
  92
  93 static TnyMimePart *
  94 modest_attachment_view_get_part (TnyMimePartView *self)
  95 {
  96         return MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->get_part_func (self);
  97 }
  98
  99 static TnyMimePart *
 100 modest_attachment_view_get_part_default (TnyMimePartView *self)
 101 {
 102         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 103
 104         if (priv->mime_part)
 105                 return TNY_MIME_PART (g_object_ref (priv->mime_part));
 106         else
 107                 return NULL;
 108 }
 109
 110 static void
 111 update_filename_request (ModestAttachmentView *self)
 112 {
 113         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 114         /* gint width, height; */
 115
 116         pango_layout_set_text (PANGO_LAYOUT (priv->layout_full_filename),
 117                                gtk_label_get_text (GTK_LABEL (priv->filename_view)), -1);
 118
 119
 120 }
 121
 122 static void
 123 modest_attachment_view_set_part (TnyMimePartView *self, TnyMimePart *mime_part)
 124 {
 125         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->set_part_func (self, mime_part);
 126         return;
 127 }
 128
 129
 130 static gboolean
 131 get_size_idle_func (gpointer data)
 132 {
 133         ModestAttachmentView *self = (ModestAttachmentView *) data;
 134         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 135         gssize readed_size;
 136         gchar read_buffer[GET_SIZE_BUFFER_SIZE];
 137         gchar *size_string;
 138
 139         if (priv->get_size_stream == NULL) {
 140                 priv->get_size_stream = tny_camel_mem_stream_new ();
 141                 tny_mime_part_decode_to_stream (priv->mime_part, priv->get_size_stream);
 142                 tny_stream_reset (priv->get_size_stream);
 143         }
 144
 145         readed_size = tny_stream_read (priv->get_size_stream, read_buffer, GET_SIZE_BUFFER_SIZE);
 146         priv->size += readed_size;
 147
 148         if (tny_stream_is_eos (priv->get_size_stream)) {
 149                 gchar *display_size;
 150
 151                 gdk_threads_enter ();
 152
 153                 display_size = modest_text_utils_get_display_size (priv->size);
 154                 size_string = g_strdup_printf (" (%s)", display_size);
 155                 g_free (display_size);
 156                 gtk_label_set_text (GTK_LABEL (priv->size_view), size_string);
 157                 g_free (size_string);
 158
 159                 g_object_unref (priv->get_size_stream);
 160
 161                 gtk_widget_queue_resize (priv->size_view);
 162                 priv->get_size_stream = NULL;
 163                 priv->get_size_idle_id = 0;
 164
 165                 gdk_threads_leave ();
 166         }
 167         return (priv->get_size_stream != NULL);
 168 }
 169
 170 static void
 171 modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part)
 172 {
 173         ModestAttachmentViewPriv *priv = NULL;
 174         gchar *filename = NULL;
 175         gchar *file_icon_name = NULL;
 176         gboolean show_size = FALSE;
 177
 178         g_return_if_fail (TNY_IS_MIME_PART_VIEW (self));
 179         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 180         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 181
 182         if (priv->mime_part != NULL) {
 183                 g_object_unref (priv->mime_part);
 184         }
 185
 186         priv->mime_part = mime_part;
 187
 188         if (priv->get_size_idle_id != 0) {
 189                 g_source_remove (priv->get_size_idle_id);
 190                 priv->get_size_idle_id = 0;
 191         }
 192
 193         if (priv->get_size_stream != NULL) {
 194                 g_object_unref (priv->get_size_stream);
 195                 priv->get_size_stream = NULL;
 196         }
 197
 198         priv->size = 0;
 199
 200         if (tny_mime_part_is_purged (mime_part)) {
 201                 const gchar *real_filename = tny_mime_part_get_filename (mime_part);
 202                 if (real_filename == NULL)
 203                         real_filename = "";
 204                 filename = g_strdup_printf (_("FIXME: Purged %s"), real_filename);
 205                 file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 206         } else if (TNY_IS_MSG (mime_part)) {
 207                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 208                 if (TNY_IS_HEADER (header)) {
 209                         filename = g_strdup (tny_header_get_subject (header));
 210                         if (filename == NULL)
 211                                 filename = g_strdup (_("mail_va_no_subject"));
 212                         file_icon_name = modest_platform_get_file_icon_name (NULL, tny_mime_part_get_content_type (mime_part), NULL);
 213                         g_object_unref (header);
 214                 }
 215         } else {
 216                 filename = g_strdup (tny_mime_part_get_filename (mime_part));
 217                 file_icon_name = modest_platform_get_file_icon_name (filename,
 218                                                                      tny_mime_part_get_content_type (mime_part),
 219                                                                      NULL);
 220                 show_size = TRUE;
 221         }
 222
 223         if (file_icon_name) {
 224                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 225                 g_free (file_icon_name);
 226         } else {
 227                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 228         }
 229
 230         gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 231         g_free (filename);
 232         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 233
 234         gtk_label_set_text (GTK_LABEL (priv->size_view), "");
 235
 236         if (show_size)
 237                 priv->get_size_idle_id = g_idle_add ((GSourceFunc) get_size_idle_func, (gpointer) self);
 238
 239         gtk_widget_queue_draw (GTK_WIDGET (self));
 240 }
 241
 242 static void
 243 modest_attachment_view_clear (TnyMimePartView *self)
 244 {
 245         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 246         return;
 247 }
 248
 249 static void
 250 modest_attachment_view_clear_default (TnyMimePartView *self)
 251 {
 252         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 253
 254         if (priv->mime_part != NULL) {
 255                 g_object_unref (priv->mime_part);
 256                 priv->mime_part = NULL;
 257         }
 258
 259         if (priv->get_size_idle_id != 0) {
 260                 g_source_remove (priv->get_size_idle_id);
 261                 priv->get_size_idle_id = 0;
 262         }
 263
 264         if (priv->get_size_stream != NULL) {
 265                 g_object_unref (priv->get_size_stream);
 266                 priv->get_size_stream = NULL;
 267         }
 268
 269         priv->size = 0;
 270
 271         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 272                                       UNKNOWN_FILE_ICON,
 273                                       GTK_ICON_SIZE_MENU);
 274         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 275         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 276         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 277
 278         gtk_widget_queue_draw (GTK_WIDGET (self));
 279 }
 280
 281
 282 /**
 283  * modest_attachment_view_new:
 284  * @mime_part: a #TnyMimePart
 285  *
 286  * Constructor for attachment view widget.
 287  *
 288  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 289  **/
 290 GtkWidget*
 291 modest_attachment_view_new (TnyMimePart *mime_part)
 292 {
 293         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 294                                                    NULL);
 295
 296         modest_attachment_view_set_part (TNY_MIME_PART_VIEW (self), mime_part);
 297
 298         return GTK_WIDGET (self);
 299 }
 300
 301 static void
 302 modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class)
 303 {
 304         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (instance);
 305         PangoContext *context;
 306         GtkWidget *box = NULL;
 307
 308         priv->mime_part = NULL;
 309         priv->icon = gtk_image_new ();
 310         priv->filename_view = gtk_label_new ("");
 311         gtk_label_set_line_wrap (GTK_LABEL (priv->filename_view), FALSE);
 312         gtk_label_set_ellipsize (GTK_LABEL (priv->filename_view), PANGO_ELLIPSIZE_END);
 313         gtk_label_set_single_line_mode (GTK_LABEL (priv->filename_view), TRUE);
 314         gtk_label_set_selectable (GTK_LABEL (priv->filename_view), FALSE);
 315         priv->size_view = gtk_label_new (" ");
 316         gtk_label_set_line_wrap (GTK_LABEL (priv->size_view), FALSE);
 317         gtk_label_set_selectable (GTK_LABEL (priv->size_view), FALSE);
 318         gtk_misc_set_alignment (GTK_MISC (priv->size_view), 0.0, 0.5);
 319         gtk_misc_set_alignment (GTK_MISC (priv->filename_view), 0.0, 0.5);
 320
 321         priv->get_size_idle_id = 0;
 322         priv->get_size_stream = NULL;
 323         priv->size = 0;
 324
 325         box = gtk_hbox_new (FALSE, 0);
 326         gtk_box_pack_start (GTK_BOX (box), priv->icon, FALSE, FALSE, 0);
 327         gtk_box_pack_start (GTK_BOX (box), priv->filename_view, TRUE, TRUE, 0);
 328         gtk_box_pack_start (GTK_BOX (box), priv->size_view, FALSE, FALSE, 0);
 329         gtk_container_add (GTK_CONTAINER (instance), box);
 330
 331 /*      gtk_widget_get_style */
 332 /*      gtk_widget_modify_bg (instance, GTK_STATE_SELECTED, selection_color); */
 333
 334         context = gtk_widget_get_pango_context (priv->filename_view);
 335         priv->layout_full_filename = pango_layout_new (context);
 336
 337         pango_layout_set_ellipsize (priv->layout_full_filename, PANGO_ELLIPSIZE_NONE);
 338
 339         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), FALSE);
 340         gtk_event_box_set_visible_window (GTK_EVENT_BOX (instance), TRUE);
 341         gtk_widget_set_events (GTK_WIDGET (instance), 0);
 342
 343         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 344
 345         return;
 346 }
 347
 348 static void
 349 modest_attachment_view_finalize (GObject *object)
 350 {
 351         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 352
 353         if (priv->get_size_idle_id) {
 354                 g_source_remove (priv->get_size_idle_id);
 355                 priv->get_size_idle_id = 0;
 356         }
 357
 358         if (priv->get_size_stream != NULL) {
 359                 g_object_unref (priv->get_size_stream);
 360                 priv->get_size_stream = NULL;
 361         }
 362
 363         if (G_LIKELY (priv->mime_part)) {
 364                 g_object_unref (G_OBJECT (priv->mime_part));
 365                 priv->mime_part = NULL;
 366         }
 367
 368         (*parent_class->finalize) (object);
 369
 370         return;
 371 }
 372
 373 static void
 374 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 375 {
 376         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 377         gint width, width_diff;
 378
 379         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 380         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)))));
 381
 382         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 383         width_diff = priv->filename_view->allocation.width - width;
 384         if (width_diff > 0) {
 385                 GtkAllocation filename_alloc, filesize_alloc;
 386                 filename_alloc = priv->filename_view->allocation;
 387                 filesize_alloc = priv->size_view->allocation;
 388                 filename_alloc.width -= width_diff;
 389                 filesize_alloc.width += width_diff;
 390                 filesize_alloc.x -= width_diff;
 391                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 392                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 393         }
 394
 395 }
 396
 397
 398 static void
 399 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 400 {
 401         GObjectClass *object_class;
 402         GtkWidgetClass *widget_class;
 403
 404         parent_class = g_type_class_peek_parent (klass);
 405         object_class = (GObjectClass*) klass;
 406         widget_class = GTK_WIDGET_CLASS (klass);
 407
 408         object_class->finalize = modest_attachment_view_finalize;
 409
 410         klass->get_part_func = modest_attachment_view_get_part_default;
 411         klass->set_part_func = modest_attachment_view_set_part_default;
 412         klass->clear_func = modest_attachment_view_clear_default;
 413
 414         widget_class->size_allocate = size_allocate;
 415
 416         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPriv));
 417
 418         return;
 419 }
 420
 421 static void
 422 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 423 {
 424         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 425
 426         klass->get_part_func = modest_attachment_view_get_part;
 427         klass->set_part_func = modest_attachment_view_set_part;
 428         klass->clear_func = modest_attachment_view_clear;
 429
 430         return;
 431 }
 432
 433 GType
 434 modest_attachment_view_get_type (void)
 435 {
 436         static GType type = 0;
 437
 438         if (G_UNLIKELY(type == 0))
 439         {
 440                 static const GTypeInfo info =
 441                 {
 442                   sizeof (ModestAttachmentViewClass),
 443                   NULL,   /* base_init */
 444                   NULL,   /* base_finalize */
 445                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 446                   NULL,   /* class_finalize */
 447                   NULL,   /* class_data */
 448                   sizeof (ModestAttachmentView),
 449                   0,      /* n_preallocs */
 450                   modest_attachment_view_instance_init    /* instance_init */
 451                 };
 452
 453                 static const GInterfaceInfo tny_mime_part_view_info =
 454                 {
 455                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 456                         NULL,        /* interface_finalize */
 457                         NULL         /* interface_data */
 458                 };
 459
 460                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 461                         "ModestAttachmentView",
 462                         &info, 0);
 463
 464                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 465                                              &tny_mime_part_view_info);
 466
 467         }
 468
 469         return type;
 470 }