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         gdk_threads_enter ();
 133
 134         ModestAttachmentView *self = (ModestAttachmentView *) data;
 135         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 136         gssize readed_size;
 137         gchar read_buffer[GET_SIZE_BUFFER_SIZE];
 138         gchar *size_string;
 139
 140         if (priv->get_size_stream == NULL) {
 141                 priv->get_size_stream = tny_mime_part_get_stream (priv->mime_part);
 142         }
 143
 144         readed_size = tny_stream_read (priv->get_size_stream, read_buffer, GET_SIZE_BUFFER_SIZE);
 145         priv->size += readed_size;
 146
 147         if (tny_stream_is_eos (priv->get_size_stream)) {
 148                 gchar *display_size;
 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
 163         gdk_threads_leave ();
 164
 165         return (priv->get_size_stream != NULL);
 166 }
 167
 168 static void
 169 modest_attachment_view_set_part_default (TnyMimePartView *self, TnyMimePart *mime_part)
 170 {
 171         ModestAttachmentViewPriv *priv = NULL;
 172         const gchar *filename = NULL;
 173         gchar *file_icon_name = NULL;
 174         gboolean show_size = FALSE;
 175
 176         g_return_if_fail (TNY_IS_MIME_PART_VIEW (self));
 177         g_return_if_fail (TNY_IS_MIME_PART (mime_part));
 178         priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 179
 180         if (priv->mime_part != NULL) {
 181                 g_object_unref (priv->mime_part);
 182         }
 183
 184         priv->mime_part = mime_part;
 185
 186         if (priv->get_size_idle_id != 0) {
 187                 g_source_remove (priv->get_size_idle_id);
 188                 priv->get_size_idle_id = 0;
 189         }
 190
 191         if (priv->get_size_stream != NULL) {
 192                 g_object_unref (priv->get_size_stream);
 193                 priv->get_size_stream = NULL;
 194         }
 195
 196         priv->size = 0;
 197
 198         if (tny_mime_part_is_purged (mime_part)) {
 199                 filename = _("TODO: purged file");
 200                 file_icon_name = modest_platform_get_file_icon_name (NULL, NULL, NULL);
 201         } else 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                 show_size = TRUE;
 216         }
 217
 218         if (file_icon_name) {
 219                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 220                 g_free (file_icon_name);
 221         } else {
 222                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 223         }
 224
 225         gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 226         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 227
 228         gtk_label_set_text (GTK_LABEL (priv->size_view), "");
 229
 230         if (show_size)
 231                 priv->get_size_idle_id = g_idle_add ((GSourceFunc) get_size_idle_func, (gpointer) self);
 232
 233         gtk_widget_queue_draw (GTK_WIDGET (self));
 234 }
 235
 236 static void
 237 modest_attachment_view_clear (TnyMimePartView *self)
 238 {
 239         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 240         return;
 241 }
 242
 243 static void
 244 modest_attachment_view_clear_default (TnyMimePartView *self)
 245 {
 246         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 247
 248         if (priv->mime_part != NULL) {
 249                 g_object_unref (priv->mime_part);
 250                 priv->mime_part = NULL;
 251         }
 252
 253         if (priv->get_size_idle_id != 0) {
 254                 g_source_remove (priv->get_size_idle_id);
 255                 priv->get_size_idle_id = 0;
 256         }
 257
 258         if (priv->get_size_stream != NULL) {
 259                 g_object_unref (priv->get_size_stream);
 260                 priv->get_size_stream = NULL;
 261         }
 262
 263         priv->size = 0;
 264
 265         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 266                                       UNKNOWN_FILE_ICON,
 267                                       GTK_ICON_SIZE_MENU);
 268         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 269         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 270         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 271
 272         gtk_widget_queue_draw (GTK_WIDGET (self));
 273 }
 274
 275
 276 /**
 277  * modest_attachment_view_new:
 278  * @mime_part: a #TnyMimePart
 279  *
 280  * Constructor for attachment view widget.
 281  *
 282  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 283  **/
 284 GtkWidget*
 285 modest_attachment_view_new (TnyMimePart *mime_part)
 286 {
 287         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 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), FALSE);
 334         gtk_event_box_set_visible_window (GTK_EVENT_BOX (instance), TRUE);
 335         gtk_widget_set_events (GTK_WIDGET (instance), 0);
 336
 337         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 338
 339         return;
 340 }
 341
 342 static void
 343 modest_attachment_view_finalize (GObject *object)
 344 {
 345         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 346
 347         if (priv->get_size_idle_id) {
 348                 g_source_remove (priv->get_size_idle_id);
 349                 priv->get_size_idle_id = 0;
 350         }
 351
 352         if (priv->get_size_stream != NULL) {
 353                 g_object_unref (priv->get_size_stream);
 354                 priv->get_size_stream = NULL;
 355         }
 356
 357         if (G_LIKELY (priv->mime_part)) {
 358                 g_object_unref (G_OBJECT (priv->mime_part));
 359                 priv->mime_part = NULL;
 360         }
 361
 362         (*parent_class->finalize) (object);
 363
 364         return;
 365 }
 366
 367 static void
 368 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 369 {
 370         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 371         gint width, width_diff;
 372
 373         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 374         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)))));
 375
 376         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 377         width_diff = priv->filename_view->allocation.width - width;
 378         if (width_diff > 0) {
 379                 GtkAllocation filename_alloc, filesize_alloc;
 380                 filename_alloc = priv->filename_view->allocation;
 381                 filesize_alloc = priv->size_view->allocation;
 382                 filename_alloc.width -= width_diff;
 383                 filesize_alloc.width += width_diff;
 384                 filesize_alloc.x -= width_diff;
 385                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 386                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 387         }
 388
 389 }
 390
 391
 392 static void
 393 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 394 {
 395         GObjectClass *object_class;
 396         GtkWidgetClass *widget_class;
 397
 398         parent_class = g_type_class_peek_parent (klass);
 399         object_class = (GObjectClass*) klass;
 400         widget_class = GTK_WIDGET_CLASS (klass);
 401
 402         object_class->finalize = modest_attachment_view_finalize;
 403
 404         klass->get_part_func = modest_attachment_view_get_part_default;
 405         klass->set_part_func = modest_attachment_view_set_part_default;
 406         klass->clear_func = modest_attachment_view_clear_default;
 407
 408         widget_class->size_allocate = size_allocate;
 409
 410         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPriv));
 411
 412         return;
 413 }
 414
 415 static void
 416 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 417 {
 418         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 419
 420         klass->get_part_func = modest_attachment_view_get_part;
 421         klass->set_part_func = modest_attachment_view_set_part;
 422         klass->clear_func = modest_attachment_view_clear;
 423
 424         return;
 425 }
 426
 427 GType
 428 modest_attachment_view_get_type (void)
 429 {
 430         static GType type = 0;
 431
 432         if (G_UNLIKELY(type == 0))
 433         {
 434                 static const GTypeInfo info =
 435                 {
 436                   sizeof (ModestAttachmentViewClass),
 437                   NULL,   /* base_init */
 438                   NULL,   /* base_finalize */
 439                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 440                   NULL,   /* class_finalize */
 441                   NULL,   /* class_data */
 442                   sizeof (ModestAttachmentView),
 443                   0,      /* n_preallocs */
 444                   modest_attachment_view_instance_init    /* instance_init */
 445                 };
 446
 447                 static const GInterfaceInfo tny_mime_part_view_info =
 448                 {
 449                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 450                         NULL,        /* interface_finalize */
 451                         NULL         /* interface_data */
 452                 };
 453
 454                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 455                         "ModestAttachmentView",
 456                         &info, 0);
 457
 458                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 459                                              &tny_mime_part_view_info);
 460
 461         }
 462
 463         return type;
 464 }