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