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
 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_IS_MSG (mime_part)) {
 198                 TnyHeader *header = tny_msg_get_header (TNY_MSG (mime_part));
 199                 if (TNY_IS_HEADER (header)) {
 200                         filename = tny_header_get_subject (header);
 201                         if (filename == NULL)
 202                                 filename = _("mail_va_no_subject");
 203                         file_icon_name = modest_platform_get_file_icon_name (NULL, tny_mime_part_get_content_type (mime_part), NULL);
 204                         g_object_unref (header);
 205                 }
 206         } else {
 207                 filename = tny_mime_part_get_filename (mime_part);
 208                 file_icon_name = modest_platform_get_file_icon_name (filename,
 209                                                                      tny_mime_part_get_content_type (mime_part),
 210                                                                      NULL);
 211         }
 212
 213         if (file_icon_name) {
 214                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), file_icon_name, GTK_ICON_SIZE_MENU);
 215                 g_free (file_icon_name);
 216         } else {
 217                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon), UNKNOWN_FILE_ICON, GTK_ICON_SIZE_MENU);
 218         }
 219
 220         gtk_label_set_text (GTK_LABEL (priv->filename_view), filename);
 221         update_filename_request (MODEST_ATTACHMENT_VIEW (self));
 222
 223         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 224
 225         priv->get_size_idle_id = g_idle_add ((GSourceFunc) get_size_idle_func, (gpointer) self);
 226
 227         gtk_widget_queue_draw (GTK_WIDGET (self));
 228 }
 229
 230 static void
 231 modest_attachment_view_clear (TnyMimePartView *self)
 232 {
 233         MODEST_ATTACHMENT_VIEW_GET_CLASS (self)->clear_func (self);
 234         return;
 235 }
 236
 237 static void
 238 modest_attachment_view_clear_default (TnyMimePartView *self)
 239 {
 240         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (self);
 241
 242         if (priv->mime_part != NULL) {
 243                 g_object_unref (priv->mime_part);
 244                 priv->mime_part = NULL;
 245         }
 246
 247         if (priv->get_size_idle_id != 0) {
 248                 g_source_remove (priv->get_size_idle_id);
 249                 priv->get_size_idle_id = 0;
 250         }
 251
 252         if (priv->get_size_stream != NULL) {
 253                 g_object_unref (priv->get_size_stream);
 254                 priv->get_size_stream = NULL;
 255         }
 256
 257         priv->size = 0;
 258
 259         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 260                                       UNKNOWN_FILE_ICON,
 261                                       GTK_ICON_SIZE_MENU);
 262         gtk_label_set_text (GTK_LABEL (priv->filename_view), "");
 263         update_filename_request (MODEST_ATTACHMENT_VIEW(self));
 264         gtk_label_set_text (GTK_LABEL (priv->size_view), " ");
 265
 266         gtk_widget_queue_draw (GTK_WIDGET (self));
 267 }
 268
 269
 270 /**
 271  * modest_attachment_view_new:
 272  * @mime_part: a #TnyMimePart
 273  *
 274  * Constructor for attachment view widget.
 275  *
 276  * Return value: a new #ModestAttachmentView instance implemented for Gtk+
 277  **/
 278 GtkWidget*
 279 modest_attachment_view_new (TnyMimePart *mime_part)
 280 {
 281         ModestAttachmentView *self = g_object_new (MODEST_TYPE_ATTACHMENT_VIEW,
 282                                                    NULL);
 283
 284         modest_attachment_view_set_part (TNY_MIME_PART_VIEW (self), mime_part);
 285
 286         return GTK_WIDGET (self);
 287 }
 288
 289 static void
 290 modest_attachment_view_instance_init (GTypeInstance *instance, gpointer g_class)
 291 {
 292         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (instance);
 293         PangoContext *context;
 294         GtkWidget *box = NULL;
 295
 296         priv->mime_part = NULL;
 297         priv->icon = gtk_image_new ();
 298         priv->filename_view = gtk_label_new ("");
 299         gtk_label_set_line_wrap (GTK_LABEL (priv->filename_view), FALSE);
 300         gtk_label_set_ellipsize (GTK_LABEL (priv->filename_view), PANGO_ELLIPSIZE_END);
 301         gtk_label_set_single_line_mode (GTK_LABEL (priv->filename_view), TRUE);
 302         gtk_label_set_selectable (GTK_LABEL (priv->filename_view), FALSE);
 303         priv->size_view = gtk_label_new (" ");
 304         gtk_label_set_line_wrap (GTK_LABEL (priv->size_view), FALSE);
 305         gtk_label_set_selectable (GTK_LABEL (priv->size_view), FALSE);
 306         gtk_misc_set_alignment (GTK_MISC (priv->size_view), 0.0, 0.5);
 307         gtk_misc_set_alignment (GTK_MISC (priv->filename_view), 0.0, 0.5);
 308
 309         priv->get_size_idle_id = 0;
 310         priv->get_size_stream = NULL;
 311         priv->size = 0;
 312
 313         box = gtk_hbox_new (FALSE, 0);
 314         gtk_box_pack_start (GTK_BOX (box), priv->icon, FALSE, FALSE, 0);
 315         gtk_box_pack_start (GTK_BOX (box), priv->filename_view, TRUE, TRUE, 0);
 316         gtk_box_pack_start (GTK_BOX (box), priv->size_view, FALSE, FALSE, 0);
 317         gtk_container_add (GTK_CONTAINER (instance), box);
 318
 319 /*      gtk_widget_get_style */
 320 /*      gtk_widget_modify_bg (instance, GTK_STATE_SELECTED, selection_color); */
 321
 322         context = gtk_widget_get_pango_context (priv->filename_view);
 323         priv->layout_full_filename = pango_layout_new (context);
 324
 325         pango_layout_set_ellipsize (priv->layout_full_filename, PANGO_ELLIPSIZE_NONE);
 326
 327         gtk_event_box_set_above_child (GTK_EVENT_BOX (instance), FALSE);
 328         gtk_event_box_set_visible_window (GTK_EVENT_BOX (instance), TRUE);
 329         gtk_widget_set_events (GTK_WIDGET (instance), 0);
 330
 331         GTK_WIDGET_UNSET_FLAGS (GTK_WIDGET (instance), GTK_CAN_FOCUS);
 332
 333         return;
 334 }
 335
 336 static void
 337 modest_attachment_view_finalize (GObject *object)
 338 {
 339         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (object);
 340
 341         if (priv->get_size_idle_id) {
 342                 g_source_remove (priv->get_size_idle_id);
 343                 priv->get_size_idle_id = 0;
 344         }
 345
 346         if (priv->get_size_stream != NULL) {
 347                 g_object_unref (priv->get_size_stream);
 348                 priv->get_size_stream = NULL;
 349         }
 350
 351         if (G_LIKELY (priv->mime_part)) {
 352                 g_object_unref (G_OBJECT (priv->mime_part));
 353                 priv->mime_part = NULL;
 354         }
 355
 356         (*parent_class->finalize) (object);
 357
 358         return;
 359 }
 360
 361 static void
 362 size_allocate (GtkWidget *widget, GtkAllocation *allocation)
 363 {
 364         ModestAttachmentViewPriv *priv = MODEST_ATTACHMENT_VIEW_GET_PRIVATE (widget);
 365         gint width, width_diff;
 366
 367         GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 368         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)))));
 369
 370         pango_layout_get_pixel_size (priv->layout_full_filename, &width, NULL);
 371         width_diff = priv->filename_view->allocation.width - width;
 372         if (width_diff > 0) {
 373                 GtkAllocation filename_alloc, filesize_alloc;
 374                 filename_alloc = priv->filename_view->allocation;
 375                 filesize_alloc = priv->size_view->allocation;
 376                 filename_alloc.width -= width_diff;
 377                 filesize_alloc.width += width_diff;
 378                 filesize_alloc.x -= width_diff;
 379                 gtk_widget_size_allocate (priv->filename_view, &filename_alloc);
 380                 gtk_widget_size_allocate (priv->size_view, &filesize_alloc);
 381         }
 382
 383 }
 384
 385
 386 static void
 387 modest_attachment_view_class_init (ModestAttachmentViewClass *klass)
 388 {
 389         GObjectClass *object_class;
 390         GtkWidgetClass *widget_class;
 391
 392         parent_class = g_type_class_peek_parent (klass);
 393         object_class = (GObjectClass*) klass;
 394         widget_class = GTK_WIDGET_CLASS (klass);
 395
 396         object_class->finalize = modest_attachment_view_finalize;
 397
 398         klass->get_part_func = modest_attachment_view_get_part_default;
 399         klass->set_part_func = modest_attachment_view_set_part_default;
 400         klass->clear_func = modest_attachment_view_clear_default;
 401
 402         widget_class->size_allocate = size_allocate;
 403
 404         g_type_class_add_private (object_class, sizeof (ModestAttachmentViewPriv));
 405
 406         return;
 407 }
 408
 409 static void
 410 tny_mime_part_view_init (gpointer g, gpointer iface_data)
 411 {
 412         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
 413
 414         klass->get_part_func = modest_attachment_view_get_part;
 415         klass->set_part_func = modest_attachment_view_set_part;
 416         klass->clear_func = modest_attachment_view_clear;
 417
 418         return;
 419 }
 420
 421 GType
 422 modest_attachment_view_get_type (void)
 423 {
 424         static GType type = 0;
 425
 426         if (G_UNLIKELY(type == 0))
 427         {
 428                 static const GTypeInfo info =
 429                 {
 430                   sizeof (ModestAttachmentViewClass),
 431                   NULL,   /* base_init */
 432                   NULL,   /* base_finalize */
 433                   (GClassInitFunc) modest_attachment_view_class_init,   /* class_init */
 434                   NULL,   /* class_finalize */
 435                   NULL,   /* class_data */
 436                   sizeof (ModestAttachmentView),
 437                   0,      /* n_preallocs */
 438                   modest_attachment_view_instance_init    /* instance_init */
 439                 };
 440
 441                 static const GInterfaceInfo tny_mime_part_view_info =
 442                 {
 443                         (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 444                         NULL,        /* interface_finalize */
 445                         NULL         /* interface_data */
 446                 };
 447
 448                 type = g_type_register_static (GTK_TYPE_EVENT_BOX,
 449                         "ModestAttachmentView",
 450                         &info, 0);
 451
 452                 g_type_add_interface_static (type, TNY_TYPE_MIME_PART_VIEW,
 453                                              &tny_mime_part_view_info);
 454
 455         }
 456
 457         return type;
 458 }