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