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                 display_size = modest_text_utils_get_display_size (priv->size);
 149                 size_string = g_strdup_printf (" (%s)", display_size);
 150                 g_free (display_size);
 151                 gtk_label_set_text (GTK_LABEL (priv->size_view), size_string);
 152                 g_free (size_string);
 153
 154                 g_object_unref (priv->get_size_stream);
 155
 156                 gtk_widget_queue_resize (priv->size_view);
 157                 priv->get_size_stream = NULL;
 158                 priv->get_size_idle_id = 0;
 159         }
 160
 161         return (priv->get_size_stream != NULL);
 162
 163 }
 164
 165 static void
 166 modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part)
 167 {
 168         ModestAttachmentViewPriv *priv = NULL;
 169         const gchar *filename = NULL;
 170         gchar *file_icon_name = NULL;
 171
 172         g_return_if_fail (TNY_IS_MIME_PART_VIEW (self));
 173         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 174         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 175
 176         if (priv->mime_part != NULL) {
 177                 g_object_unref (priv->mime_part);
 178         }
 179
 180         priv->mime_part = mime_part;
 181
 182         if (priv->get_size_idle_id != 0) {
 183                 g_source_remove (priv->get_size_idle_id);
 184                 priv->get_size_idle_id = 0;
 185         }
 186
 187         if (priv->get_size_stream != NULL) {
 188                 g_object_unref (priv->get_size_stream);
 189                 priv->get_size_stream = NULL;
 190         }
 191
 192         priv->size = 0;
 193
 194         if (TNY_IS_MSG (mime_part)) {
 195                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 196                 if (TNY_IS_HEADER (header)) {
 197                         filename = tny_header_get_subject (header);
 198                         if (filename == NULL)
 199                                 filename = _("mail_va_no_subject");
 200                         file_icon_name = modest_platform_get_file_icon_name (NULL, tny_mime_part_get_content_type (mime_part), NULL);
 201                         g_object_unref (header);
 202                 }
 203         } else {
 204                 filename = tny_mime_part_get_filename (mime_part);
 205                 file_icon_name = modest_platform_get_file_icon_name (filename,
 206                                                                      tny_mime_part_get_content_type (mime_part),
 207                                                                      NULL);
 208         }
 209
 210         if (file_icon_name) {
 211                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 212                 g_free (file_icon_name);
 213         } else {
 214                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 215         }
 216
 217         gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 218         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 219
 220         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 221
 222         priv->get_size_idle_id = g_idle_add ((GSourceFunc) get_size_idle_func, (gpointer) self);
 223
 224         gtk_widget_queue_draw (GTK_WIDGET (self));
 225 }
 226
 227 static void
 228 modest_attachment_view_clear (TnyMimePartView *self)
 229 {
 230         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 231         return;
 232 }
 233
 234 static void
 235 modest_attachment_view_clear_default (TnyMimePartView *self)
 236 {
 237         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 238
 239         if (priv->mime_part != NULL) {
 240                 g_object_unref (priv->mime_part);
 241                 priv->mime_part = NULL;
 242         }
 243
 244         if (priv->get_size_idle_id != 0) {
 245                 g_source_remove (priv->get_size_idle_id);
 246                 priv->get_size_idle_id = 0;
 247         }
 248
 249         if (priv->get_size_stream != NULL) {
 250                 g_object_unref (priv->get_size_stream);
 251                 priv->get_size_stream = NULL;
 252         }
 253
 254         priv->size = 0;
 255
 256         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 257                                       UNKNOWN_FILE_ICON,
 258                                       GTK_ICON_SIZE_MENU);
 259         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 260         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 261         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 262
 263         gtk_widget_queue_draw (GTK_WIDGET (self));
 264 }
 265
 266
 267 /**
 268  * modest_attachment_view_new:
 269  * @mime_part: a #TnyMimePart
 270  *
 271  * Constructor for attachment view widget.
 272  *
 273  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 274  **/
 275 GtkWidget*
 276 modest_attachment_view_new (TnyMimePart *mime_part)
 277 {
 278         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 279                                                    NULL);
 280
 281         modest_attachment_view_set_part (TNY_MIME_PART_VIEW (self), mime_part);
 282
 283         return GTK_WIDGET (self);
 284 }
 285
 286 static void
 287 modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class)
 288 {
 289         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (instance);
 290         PangoContext *context;
 291         GtkWidget *box = NULL;
 292
 293         priv->mime_part = NULL;
 294         priv->icon = gtk_image_new ();
 295         priv->filename_view = gtk_label_new ("");
 296         gtk_label_set_line_wrap (GTK_LABEL (priv->filename_view), FALSE);
 297         gtk_label_set_ellipsize (GTK_LABEL (priv->filename_view), PANGO_ELLIPSIZE_END);
 298         gtk_label_set_single_line_mode (GTK_LABEL (priv->filename_view), TRUE);
 299         gtk_label_set_selectable (GTK_LABEL (priv->filename_view), FALSE);
 300         priv->size_view = gtk_label_new (" ");
 301         gtk_label_set_line_wrap (GTK_LABEL (priv->size_view), FALSE);
 302         gtk_label_set_selectable (GTK_LABEL (priv->size_view), FALSE);
 303         gtk_misc_set_alignment (GTK_MISC (priv->size_view), 0.0, 0.5);
 304         gtk_misc_set_alignment (GTK_MISC (priv->filename_view), 0.0, 0.5);
 305
 306         priv->get_size_idle_id = 0;
 307         priv->get_size_stream = NULL;
 308         priv->size = 0;
 309
 310         box = gtk_hbox_new (FALSE, 0);
 311         gtk_box_pack_start (GTK_BOX (box), priv->icon, FALSE, FALSE, 0);
 312         gtk_box_pack_start (GTK_BOX (box), priv->filename_view, TRUE, TRUE, 0);
 313         gtk_box_pack_start (GTK_BOX (box), priv->size_view, FALSE, FALSE, 0);
 314         gtk_container_add (GTK_CONTAINER (instance), box);
 315
 316 /*      gtk_widget_get_style */
 317 /*      gtk_widget_modify_bg (instance, GTK_STATE_SELECTED, selection_color); */
 318
 319         context = gtk_widget_get_pango_context (priv->filename_view);
 320         priv->layout_full_filename = pango_layout_new (context);
 321
 322         pango_layout_set_ellipsize (priv->layout_full_filename, PANGO_ELLIPSIZE_NONE);
 323
 324         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), TRUE);
 325
 326         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 327
 328         return;
 329 }
 330
 331 static void
 332 modest_attachment_view_finalize (GObject *object)
 333 {
 334         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 335
 336         if (priv->get_size_idle_id) {
 337                 g_source_remove (priv->get_size_idle_id);
 338                 priv->get_size_idle_id = 0;
 339         }
 340
 341         if (priv->get_size_stream != NULL) {
 342                 g_object_unref (priv->get_size_stream);
 343                 priv->get_size_stream = NULL;
 344         }
 345
 346         if (G_LIKELY (priv->mime_part)) {
 347                 g_object_unref (G_OBJECT (priv->mime_part));
 348                 priv->mime_part = NULL;
 349         }
 350
 351         (*parent_class->finalize) (object);
 352
 353         return;
 354 }
 355
 356 static void
 357 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 358 {
 359         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 360         gint width, width_diff;
 361
 362         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 363         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)))));
 364
 365         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 366         width_diff = priv->filename_view->allocation.width - width;
 367         if (width_diff > 0) {
 368                 GtkAllocation filename_alloc, filesize_alloc;
 369                 filename_alloc = priv->filename_view->allocation;
 370                 filesize_alloc = priv->size_view->allocation;
 371                 filename_alloc.width -= width_diff;
 372                 filesize_alloc.width += width_diff;
 373                 filesize_alloc.x -= width_diff;
 374                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 375                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 376         }
 377
 378 }
 379
 380
 381 static void
 382 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 383 {
 384         GObjectClass *object_class;
 385         GtkWidgetClass *widget_class;
 386
 387         parent_class = g_type_class_peek_parent (klass);
 388         object_class = (GObjectClass*) klass;
 389         widget_class = GTK_WIDGET_CLASS (klass);
 390
 391         object_class->finalize = modest_attachment_view_finalize;
 392
 393         klass->get_part_func = modest_attachment_view_get_part_default;
 394         klass->set_part_func = modest_attachment_view_set_part_default;
 395         klass->clear_func = modest_attachment_view_clear_default;
 396
 397         widget_class->size_allocate = size_allocate;
 398
 399         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPriv));
 400
 401         return;
 402 }
 403
 404 static void
 405 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 406 {
 407         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 408
 409         klass->get_part_func = modest_attachment_view_get_part;
 410         klass->set_part_func = modest_attachment_view_set_part;
 411         klass->clear_func = modest_attachment_view_clear;
 412
 413         return;
 414 }
 415
 416 GType
 417 modest_attachment_view_get_type (void)
 418 {
 419         static GType type = 0;
 420
 421         if (G_UNLIKELY(type == 0))
 422         {
 423                 static const GTypeInfo info =
 424                 {
 425                   sizeof (ModestAttachmentViewClass),
 426                   NULL,   /* base_init */
 427                   NULL,   /* base_finalize */
 428                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 429                   NULL,   /* class_finalize */
 430                   NULL,   /* class_data */
 431                   sizeof (ModestAttachmentView),
 432                   0,      /* n_preallocs */
 433                   modest_attachment_view_instance_init    /* instance_init */
 434                 };
 435
 436                 static const GInterfaceInfo tny_mime_part_view_info =
 437                 {
 438                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 439                         NULL,        /* interface_finalize */
 440                         NULL         /* interface_data */
 441                 };
 442
 443                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 444                         "ModestAttachmentView",
 445                         &info, 0);
 446
 447                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 448                                              &tny_mime_part_view_info);
 449
 450         }
 451
 452         return type;
 453 }