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