git.maemo.org Git - modest/blob - src/widgets/modest-msg-view.c

   1 /* Copyright (c) 2006, 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 #include <tny-gtk-text-buffer-stream.h>
  31 #include <string.h>
  32 #include <regex.h>
  33 #include <ctype.h>
  34 #include <stdlib.h>
  35 #include <glib/gi18n.h>
  36 #include <gtkhtml/gtkhtml.h>
  37 #include <gtkhtml/gtkhtml-stream.h>
  38 #include <gtkhtml/gtkhtml-search.h>
  39 #include <gtkhtml/gtkhtml-embedded.h>
  40 #include <tny-list.h>
  41 #include <tny-simple-list.h>
  42
  43 #include <modest-tny-msg.h>
  44 #include <modest-text-utils.h>
  45 #include "modest-msg-view.h"
  46 #include "modest-tny-stream-gtkhtml.h"
  47 #include <modest-mail-header-view.h>
  48 #include <modest-attachments-view.h>
  49 #include <modest-marshal.h>
  50
  51
  52 /* 'private'/'protected' functions */
  53 static void     modest_msg_view_class_init   (ModestMsgViewClass *klass);
  54 static void     modest_msg_view_init         (ModestMsgView *obj);
  55 static void     modest_msg_view_finalize     (GObject *obj);
  56 static void     modest_msg_view_destroy     (GtkObject *obj);
  57 static void     set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
  58 static void     get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
  59
  60 /* headers signals */
  61 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestMsgView *msg_view);
  62 static void on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer userdata);
  63
  64 /* GtkHtml signals */
  65 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  66 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
  67                                   ModestMsgView *msg_view);
  68 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  69 static void     on_tap_and_hold (GtkWidget *widget, gpointer userdata);
  70
  71 /* size allocation and drawing handlers */
  72 static void get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation);
  73 static void size_request (GtkWidget *widget, GtkRequisition *req);
  74 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
  75 static void realize (GtkWidget *widget);
  76 static void unrealize (GtkWidget *widget);
  77 static gint expose (GtkWidget *widget, GdkEventExpose *event);
  78 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
  79 static void set_hadjustment_values (ModestMsgView *msg_view, gboolean *value_changed);
  80 static void set_scroll_adjustments (ModestMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
  81 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
  82 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
  83 static void disconnect_vadjustment (ModestMsgView *obj);
  84 static void disconnect_hadjustment (ModestMsgView *obj);
  85
  86 /* GtkContainer methods */
  87 static void forall (GtkContainer *container, gboolean include_internals,
  88                     GtkCallback callback, gpointer userdata);
  89 static void container_remove (GtkContainer *container, GtkWidget *widget);
  90
  91 /* list my signals */
  92 enum {
  93         LINK_CLICKED_SIGNAL,
  94         LINK_HOVER_SIGNAL,
  95         ATTACHMENT_CLICKED_SIGNAL,
  96         RECPT_ACTIVATED_SIGNAL,
  97         LINK_CONTEXTUAL_SIGNAL,
  98         LAST_SIGNAL
  99 };
 100
 101 /* list properties */
 102 enum {
 103         PROP_0,
 104         PROP_HADJUSTMENT,
 105         PROP_VADJUSTMENT,
 106         PROP_SHADOW_TYPE
 107 };
 108
 109 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
 110 struct _ModestMsgViewPrivate {
 111         GtkWidget   *gtkhtml;
 112         GtkWidget   *mail_header_view;
 113         GtkWidget   *attachments_view;
 114
 115         TnyMsg      *msg;
 116
 117         /* embedded elements */
 118         GtkWidget   *headers_box;
 119         GtkWidget   *html_scroll;
 120         GtkWidget   *attachments_box;
 121
 122         /* internal adjustments for set_scroll_adjustments */
 123         GtkAdjustment *hadj;
 124         GtkAdjustment *vadj;
 125         GtkShadowType shadow_type;
 126
 127         /* gdk windows for drawing */
 128         GdkWindow *view_window;
 129         GdkWindow *headers_window;
 130         GdkWindow *html_window;
 131
 132         /* zoom */
 133         gdouble current_zoom;
 134
 135         /* link click management */
 136         gchar *last_url;
 137
 138         TnyHeaderFlags priority_flags;
 139
 140         gulong  sig1, sig2, sig3;
 141 };
 142 #define MODEST_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 143                                                  MODEST_TYPE_MSG_VIEW, \
 144                                                  ModestMsgViewPrivate))
 145 /* globals */
 146 static GtkContainerClass *parent_class = NULL;
 147
 148 /* uncomment the following if you have defined any signals */
 149 static guint signals[LAST_SIGNAL] = {0};
 150
 151 GType
 152 modest_msg_view_get_type (void)
 153 {
 154         static GType my_type = 0;
 155         if (!my_type) {
 156                 static const GTypeInfo my_info = {
 157                         sizeof(ModestMsgViewClass),
 158                         NULL,           /* base init */
 159                         NULL,           /* base finalize */
 160                         (GClassInitFunc) modest_msg_view_class_init,
 161                         NULL,           /* class finalize */
 162                         NULL,           /* class data */
 163                         sizeof(ModestMsgView),
 164                         1,              /* n_preallocs */
 165                         (GInstanceInitFunc) modest_msg_view_init,
 166                         NULL
 167                 };
 168                 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
 169                                                   "ModestMsgView",
 170                                                   &my_info, 0);
 171         }
 172         return my_type;
 173 }
 174
 175 static void
 176 modest_msg_view_class_init (ModestMsgViewClass *klass)
 177 {
 178         GObjectClass *gobject_class;
 179         GtkWidgetClass *widget_class;
 180         GtkObjectClass *gtkobject_class;
 181         GtkContainerClass *container_class;
 182         gobject_class = (GObjectClass*) klass;
 183         widget_class = (GtkWidgetClass *) klass;
 184         gtkobject_class = (GtkObjectClass *) klass;
 185         container_class = (GtkContainerClass *) klass;
 186
 187         parent_class            = g_type_class_peek_parent (klass);
 188         gobject_class->finalize = modest_msg_view_finalize;
 189         gobject_class->set_property = set_property;
 190         gobject_class->get_property = get_property;
 191         gtkobject_class->destroy = modest_msg_view_destroy;
 192
 193         widget_class->realize = realize;
 194         widget_class->unrealize = unrealize;
 195         widget_class->expose_event = expose;
 196         widget_class->size_request = size_request;
 197         widget_class->size_allocate = size_allocate;
 198
 199         container_class->forall = forall;
 200         container_class->remove = container_remove;
 201
 202         klass->set_scroll_adjustments = set_scroll_adjustments;
 203
 204         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
 205
 206         g_object_class_install_property (gobject_class,
 207                                          PROP_HADJUSTMENT,
 208                                          g_param_spec_object ("hadjustment",
 209                                                               _("Horizontal adjustment"),
 210                                                               _("GtkAdjustment with information of the horizontal visible position"),
 211                                                               GTK_TYPE_ADJUSTMENT,
 212                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 213
 214         g_object_class_install_property (gobject_class,
 215                                          PROP_VADJUSTMENT,
 216                                          g_param_spec_object ("vadjustment",
 217                                                               _("Vertical adjustment"),
 218                                                               _("GtkAdjustment with information of the vertical visible position"),
 219                                                               GTK_TYPE_ADJUSTMENT,
 220                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 221
 222         g_object_class_install_property (gobject_class,
 223                                          PROP_SHADOW_TYPE,
 224                                          g_param_spec_enum ("shadow_type",
 225                                                             _("Shadow type"),
 226                                                             _("Kind of shadow that's shown around the view"),
 227                                                             GTK_TYPE_SHADOW_TYPE,
 228                                                             GTK_SHADOW_IN,
 229                                                             G_PARAM_READABLE | G_PARAM_WRITABLE ));
 230
 231         signals[LINK_CLICKED_SIGNAL] =
 232                 g_signal_new ("link_clicked",
 233                               G_TYPE_FROM_CLASS (gobject_class),
 234                               G_SIGNAL_RUN_FIRST,
 235                               G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
 236                               NULL, NULL,
 237                               g_cclosure_marshal_VOID__STRING,
 238                               G_TYPE_NONE, 1, G_TYPE_STRING);
 239
 240         signals[ATTACHMENT_CLICKED_SIGNAL] =
 241                 g_signal_new ("attachment_clicked",
 242                               G_TYPE_FROM_CLASS (gobject_class),
 243                               G_SIGNAL_RUN_FIRST,
 244                               G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
 245                               NULL, NULL,
 246                               g_cclosure_marshal_VOID__OBJECT,
 247                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 248
 249         signals[LINK_HOVER_SIGNAL] =
 250                 g_signal_new ("link_hover",
 251                               G_TYPE_FROM_CLASS (gobject_class),
 252                               G_SIGNAL_RUN_FIRST,
 253                               G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
 254                               NULL, NULL,
 255                               g_cclosure_marshal_VOID__STRING,
 256                               G_TYPE_NONE, 1, G_TYPE_STRING);
 257
 258         signals[RECPT_ACTIVATED_SIGNAL] =
 259                 g_signal_new ("recpt_activated",
 260                               G_TYPE_FROM_CLASS (gobject_class),
 261                               G_SIGNAL_RUN_FIRST,
 262                               G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
 263                               NULL, NULL,
 264                               g_cclosure_marshal_VOID__STRING,
 265                               G_TYPE_NONE, 1, G_TYPE_STRING);
 266
 267         signals[LINK_CONTEXTUAL_SIGNAL] =
 268                 g_signal_new ("link_contextual",
 269                               G_TYPE_FROM_CLASS (gobject_class),
 270                               G_SIGNAL_RUN_FIRST,
 271                               G_STRUCT_OFFSET(ModestMsgViewClass, link_contextual),
 272                               NULL, NULL,
 273                               g_cclosure_marshal_VOID__STRING,
 274                               G_TYPE_NONE, 1, G_TYPE_STRING);
 275
 276         widget_class->set_scroll_adjustments_signal =
 277                 g_signal_new ("set_scroll_adjustments",
 278                               G_OBJECT_CLASS_TYPE (gobject_class),
 279                               G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
 280                               G_STRUCT_OFFSET (ModestMsgViewClass, set_scroll_adjustments),
 281                               NULL, NULL,
 282                               modest_marshal_VOID__POINTER_POINTER,
 283                               G_TYPE_NONE, 2,
 284                               GTK_TYPE_ADJUSTMENT,
 285                               GTK_TYPE_ADJUSTMENT);
 286 }
 287
 288 static void
 289 set_property (GObject *object,
 290               guint prop_id,
 291               const GValue *value,
 292               GParamSpec *pspec)
 293 {
 294         ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
 295
 296         switch (prop_id) {
 297         case PROP_HADJUSTMENT:
 298                 modest_msg_view_set_hadjustment (msg_view, g_value_get_object (value));
 299                 break;
 300         case PROP_VADJUSTMENT:
 301                 modest_msg_view_set_vadjustment (msg_view, g_value_get_object (value));
 302                 break;
 303         case PROP_SHADOW_TYPE:
 304                 modest_msg_view_set_shadow_type (msg_view, g_value_get_enum (value));
 305                 break;
 306         default:
 307                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 308                 break;
 309         }
 310 }
 311
 312 static void
 313 get_property (GObject *object,
 314               guint prop_id,
 315               GValue *value,
 316               GParamSpec *pspec)
 317 {
 318         ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
 319         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 320
 321         switch (prop_id) {
 322         case PROP_HADJUSTMENT:
 323                 g_value_set_object (value, priv->hadj);
 324                 break;
 325         case PROP_VADJUSTMENT:
 326                 g_value_set_object (value, priv->vadj);
 327                 break;
 328         case PROP_SHADOW_TYPE:
 329                 g_value_set_enum (value, priv->shadow_type);
 330                 break;
 331         default:
 332                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 333                 break;
 334         }
 335 }
 336
 337 static void
 338 disconnect_hadjustment (ModestMsgView *msg_view)
 339 {
 340         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 341
 342         if (priv->hadj) {
 343                 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, msg_view);
 344                 g_object_unref (priv->hadj);
 345                 priv->hadj = NULL;
 346         }
 347 }
 348
 349 static void
 350 disconnect_vadjustment (ModestMsgView *msg_view)
 351 {
 352         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 353
 354         if (priv->vadj) {
 355                 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, msg_view);
 356                 g_object_unref (priv->vadj);
 357                 priv->vadj = NULL;
 358         }
 359 }
 360
 361 static void
 362 get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation)
 363 {
 364         /* This method gets the allocation of the widget in parent widget. It's the
 365            real position and size of the widget */
 366         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 367
 368         allocation->x = 0;
 369         allocation->y = 0;
 370
 371         if (priv->shadow_type != GTK_SHADOW_NONE) {
 372                 allocation->x = GTK_WIDGET (msg_view)->style->xthickness;
 373                 allocation->y = GTK_WIDGET (msg_view)->style->ythickness;
 374         }
 375
 376         allocation->width = MAX (1, (GTK_WIDGET (msg_view)->allocation.width) - allocation->x * 2);
 377         allocation->height = MAX (1, (GTK_WIDGET (msg_view)->allocation.height) - allocation->y * 2);
 378
 379 }
 380
 381 static void
 382 reclamp_adjustment (GtkAdjustment *adj,
 383                     gboolean *value_changed)
 384 {
 385         gdouble value = adj->value;
 386
 387         /* Correct value to be inside the expected values of a scroll */
 388
 389         value = CLAMP (value, 0, adj->upper - adj->page_size);
 390
 391         if (value != adj->value) {
 392                 adj->value = value;
 393                 if (value_changed)
 394                         *value_changed = TRUE;
 395         } else if (value_changed) {
 396                 *value_changed = FALSE;
 397         }
 398 }
 399
 400 static void
 401 set_hadjustment_values (ModestMsgView *msg_view,
 402                         gboolean *value_changed)
 403 {
 404         GtkAllocation view_allocation;
 405         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 406
 407         get_view_allocation (msg_view, &view_allocation);
 408         hadj->page_size = view_allocation.width;
 409         hadj->step_increment = view_allocation.width * 0.1;
 410         hadj->page_increment = view_allocation.width * 0.9;
 411
 412         hadj->lower = 0;
 413         hadj->upper = view_allocation.width;
 414
 415         reclamp_adjustment (hadj, value_changed);
 416
 417 }
 418
 419 static void
 420 set_vadjustment_values (ModestMsgView *msg_view,
 421                         gboolean *value_changed)
 422 {
 423         GtkAllocation view_allocation;
 424         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 425         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 426         gint full_height = 0;
 427         GtkAdjustment *html_vadj;
 428
 429         get_view_allocation (msg_view, &view_allocation);
 430         vadj->page_size = view_allocation.height;
 431         vadj->step_increment = view_allocation.height * 0.1;
 432         vadj->page_increment = view_allocation.height * 0.9;
 433
 434         vadj->lower = 0;
 435
 436         if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
 437                 GtkRequisition child_requisition;
 438
 439                 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
 440                 full_height = child_requisition.height;
 441         } else {
 442                 full_height = 0;
 443         }
 444
 445         /* Get the real height of the embedded html */
 446         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 447                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 448                 full_height += html_vadj->upper;
 449         }
 450
 451         vadj->upper = MAX (view_allocation.height, full_height);
 452
 453         reclamp_adjustment (vadj, value_changed);
 454
 455 }
 456
 457 static void
 458 set_scroll_adjustments (ModestMsgView *msg_view,
 459                         GtkAdjustment *hadj,
 460                         GtkAdjustment *vadj)
 461 {
 462         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 463         modest_msg_view_set_hadjustment (msg_view, hadj);
 464         modest_msg_view_set_vadjustment (msg_view, vadj);
 465
 466         gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->gtkhtml), vadj);
 467 }
 468
 469 static void
 470 realize (GtkWidget *widget)
 471 {
 472         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 473         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 474         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 475         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 476         GdkWindowAttr attributes;
 477         gint event_mask;
 478         gint attributes_mask;
 479         GtkAllocation view_allocation;
 480
 481         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 482
 483         /* The structure of the GdkWindow's is:
 484          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 485          *    * view_window: a backing store gdkwindow containing the headers and contents
 486          *      being scrolled. This window should have all the visible and non visible
 487          *      widgets inside.
 488          *    * headers_window: gdk window for headers_box.
 489          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 490          *      gtkhtml showing the contents of the mail).
 491          */
 492
 493         attributes.x = widget->allocation.x;
 494         attributes.y = widget->allocation.y;
 495         attributes.width = widget->allocation.width;
 496         attributes.height = widget->allocation.height;
 497         attributes.window_type = GDK_WINDOW_CHILD;
 498         attributes.wclass = GDK_INPUT_OUTPUT;
 499         attributes.visual = gtk_widget_get_visual (widget);
 500         attributes.colormap = gtk_widget_get_colormap (widget);
 501
 502         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 503         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 504         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 505
 506         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 507                                          &attributes, attributes_mask);
 508         gdk_window_set_user_data (widget->window, msg_view);
 509
 510         get_view_allocation (msg_view, &view_allocation);
 511
 512         attributes.x = view_allocation.x;
 513         attributes.y = view_allocation.y;
 514         attributes.width = view_allocation.width;
 515         attributes.height = view_allocation.height;
 516         attributes.event_mask = 0;
 517         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 518         gdk_window_set_user_data (priv->view_window, msg_view);
 519         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 520
 521         attributes.x = -hadj->value;
 522         attributes.y = -vadj->value;
 523         attributes.width = hadj->upper;
 524         if (priv->headers_box)
 525                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 526         else
 527                 attributes.height = 1;
 528         attributes.event_mask = event_mask;
 529
 530         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 531         gdk_window_set_user_data (priv->headers_window, msg_view);
 532
 533         if (priv->headers_box)
 534                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 535
 536         attributes.x = -hadj->value;
 537         if (priv->headers_box)
 538                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 539         else
 540                 attributes.y = -vadj->value;
 541         attributes.width = hadj->upper;
 542         if (priv->headers_box)
 543                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 544         else
 545                 attributes.height = vadj->upper;
 546         attributes.event_mask = event_mask;
 547
 548         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 549         gdk_window_set_user_data (priv->html_window, msg_view);
 550
 551         if (priv->html_scroll)
 552                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 553
 554         widget->style = gtk_style_attach (widget->style, widget->window);
 555         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 556         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 557         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 558
 559         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 560                            GTK_SHADOW_NONE,
 561                            NULL, widget, "msgviewheaders",
 562                            0,0,-1,-1);
 563         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 564                            GTK_SHADOW_NONE,
 565                            NULL, widget, "msgviewcontents",
 566                            0,0,-1,-1);
 567
 568         gdk_window_show (priv->view_window);
 569         gdk_window_show (priv->headers_window);
 570         gdk_window_show (priv->html_window);
 571
 572 }
 573
 574 static void
 575 unrealize (GtkWidget *widget)
 576 {
 577         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 578         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 579
 580         gdk_window_set_user_data (priv->view_window, NULL);
 581         gdk_window_destroy (priv->view_window);
 582         priv->view_window = NULL;
 583
 584         gdk_window_set_user_data (priv->headers_window, NULL);
 585         gdk_window_destroy (priv->headers_window);
 586         priv->headers_window = NULL;
 587
 588         gdk_window_set_user_data (priv->html_window, NULL);
 589         gdk_window_destroy (priv->html_window);
 590         priv->html_window = NULL;
 591
 592         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 593                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 594
 595 }
 596
 597 static gint
 598 expose (GtkWidget *widget,
 599         GdkEventExpose *event)
 600 {
 601         ModestMsgView *msg_view;
 602         ModestMsgViewPrivate *priv;
 603
 604         if (GTK_WIDGET_DRAWABLE (widget)) {
 605                 msg_view = MODEST_MSG_VIEW (widget);
 606                 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 607                 if (event->window == widget->window) {
 608                         gtk_paint_shadow (widget->style, widget->window,
 609                                           GTK_STATE_NORMAL, priv->shadow_type,
 610                                           &event->area, widget, "msgview",
 611                                           0,0,-1,-1);
 612                 } else if (event->window == priv->headers_window) {
 613                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 614                                            GTK_SHADOW_NONE,
 615                                            &event->area, widget, "msgviewheaders",
 616                                            0,0,-1,-1);
 617                 } else if (event->window == priv->html_window) {
 618                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 619                                            GTK_SHADOW_NONE,
 620                                            &event->area, widget, "msgviewcontents",
 621                                            0,0,-1,-1);
 622                 }
 623                 if (priv->headers_box)
 624                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->headers_box, event);
 625                 if (priv->html_scroll)
 626                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->html_scroll, event);
 627                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 628         }
 629
 630         return FALSE;
 631 }
 632
 633 static void
 634 forall (GtkContainer *container,
 635         gboolean include_internals,
 636         GtkCallback callback,
 637         gpointer userdata)
 638 {
 639         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 640         g_return_if_fail (callback != NULL);
 641
 642         if (priv->headers_box)
 643                 (*callback) (priv->headers_box, userdata);
 644         if (priv->html_scroll)
 645                 (*callback) (priv->html_scroll, userdata);
 646 }
 647
 648 static void
 649 container_remove (GtkContainer *container,
 650                   GtkWidget *widget)
 651 {
 652         gboolean was_visible = FALSE;
 653         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 654         was_visible = GTK_WIDGET_VISIBLE (widget);
 655         if (widget == priv->headers_box) {
 656                 gtk_widget_unparent (priv->headers_box);
 657                 priv->headers_box = NULL;
 658         } else if (widget == priv->html_scroll) {
 659                 gtk_widget_unparent (priv->html_scroll);
 660                 priv->html_scroll = NULL;
 661         } else {
 662                 return;
 663         }
 664         if (was_visible)
 665                 gtk_widget_queue_resize (GTK_WIDGET(container));
 666
 667 }
 668
 669 static void
 670 size_request (GtkWidget *widget,
 671               GtkRequisition *req)
 672 {
 673         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
 674         GtkRequisition child_req;
 675
 676         req->width = 0;
 677         req->height = 0;
 678
 679         gtk_widget_size_request (priv->headers_box, &child_req);
 680         req->width = child_req.width;
 681         req->height += child_req.height;
 682         gtk_widget_size_request (priv->html_scroll, &child_req);
 683         req->width = MAX (child_req.width, req->width);
 684         req->height += child_req.height;
 685
 686 }
 687
 688 static void
 689 size_allocate (GtkWidget *widget,
 690                GtkAllocation *allocation)
 691 {
 692         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 693         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 694         gboolean hadj_value_changed, vadj_value_changed;
 695         GtkAllocation headers_allocation, html_allocation, view_allocation;
 696         GtkAdjustment *html_vadj;
 697
 698         if (GTK_WIDGET_MAPPED (widget) &&
 699             priv->shadow_type != GTK_SHADOW_NONE &&
 700             (allocation->width != widget->allocation.width ||
 701              allocation->height != widget->allocation.height))
 702                 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 703
 704         widget->allocation = *allocation;
 705         set_hadjustment_values (msg_view, &hadj_value_changed);
 706         set_vadjustment_values (msg_view, &vadj_value_changed);
 707
 708         get_view_allocation (msg_view, &view_allocation);
 709
 710         headers_allocation.x = 0;
 711         headers_allocation.y = 0;
 712         headers_allocation.width = view_allocation.width;
 713         if (priv->headers_box)
 714                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 715         else
 716                 headers_allocation.height = 0;
 717
 718         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 719
 720         html_allocation.x = 0;
 721         html_allocation.y = headers_allocation.height;
 722         html_allocation.width = view_allocation.width;
 723         html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
 724
 725         if (GTK_WIDGET_REALIZED (widget)) {
 726                 gdk_window_move_resize (widget->window,
 727                                         allocation->x,
 728                                         allocation->y,
 729                                         allocation->width,
 730                                         allocation->height);
 731
 732                 gdk_window_move_resize (priv->view_window,
 733                                         view_allocation.x,
 734                                         view_allocation.y,
 735                                         view_allocation.width,
 736                                         view_allocation.height);
 737                 gdk_window_move_resize (priv->headers_window,
 738                                         0,
 739                                         (gint) (- priv->vadj->value),
 740                                         allocation->width,
 741                                         headers_allocation.height);
 742                 gdk_window_move_resize (priv->html_window,
 743                                         (gint) (- priv->hadj->value),
 744                                         (gint) (html_allocation.y - priv->vadj->value),
 745                                         (gint) priv->hadj->upper,
 746                                         html_allocation.height);
 747         }
 748
 749         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 750                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 751         }
 752         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 753                 html_allocation.x = 0;
 754                 html_allocation.y = 0;
 755                 html_allocation.width = (gint) priv->hadj->upper;
 756                 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
 757                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 758         }
 759         gtk_adjustment_changed (priv->hadj);
 760         gtk_adjustment_changed (priv->vadj);
 761
 762         if (hadj_value_changed)
 763                 gtk_adjustment_value_changed (priv->hadj);
 764         if (vadj_value_changed)
 765                 gtk_adjustment_value_changed (priv->vadj);
 766
 767 }
 768
 769 static void
 770 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
 771 {
 772         ModestMsgView *msg_view = NULL;
 773         ModestMsgViewPrivate *priv = NULL;
 774
 775         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
 776         g_return_if_fail (MODEST_IS_MSG_VIEW (data));
 777
 778         msg_view = MODEST_MSG_VIEW (data);
 779         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 780
 781         if (GTK_WIDGET_REALIZED (msg_view)) {
 782                 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 783                 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 784                 gint headers_offset = 0;
 785
 786                 gtk_widget_queue_resize (priv->html_scroll);
 787
 788                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 789                         gint old_x, old_y;
 790                         gint new_x, new_y;
 791                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
 792                         new_x = 0;
 793                         new_y = -vadj->value;
 794
 795                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
 796
 797                         if (new_x != old_x || new_y != old_y) {
 798                                 gdk_window_move (priv->headers_window, new_x, new_y);
 799                                 gdk_window_process_updates (priv->headers_window, TRUE);
 800                         }
 801                 }
 802
 803                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 804                         gint old_x, old_y;
 805                         gint new_x, new_y;
 806                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
 807                         new_x = -hadj->value;
 808                         new_y = headers_offset - vadj->value;
 809
 810                         if (new_x != old_x || new_y != old_y) {
 811                                 gdk_window_move (priv->html_window, new_x, new_y);
 812                                 gdk_window_process_updates (priv->html_window, TRUE);
 813                         }
 814                 }
 815
 816         }
 817 }
 818
 819 static void
 820 html_adjustment_changed (GtkAdjustment *adj,
 821                          gpointer userdata)
 822 {
 823         ModestMsgView *msg_view = MODEST_MSG_VIEW (userdata);
 824         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 825         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 826         gboolean vadj_changed;
 827         gint new_height;
 828
 829         priv->html_scroll->requisition.height = html_vadj->upper;
 830         priv->html_scroll->allocation.height = html_vadj->upper;
 831
 832         set_vadjustment_values (msg_view, &vadj_changed);
 833
 834         new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
 835
 836         gtk_adjustment_changed (priv->vadj);
 837         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
 838                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
 839                 gdk_window_process_updates (priv->view_window, TRUE);
 840                 gtk_container_resize_children (GTK_CONTAINER (msg_view));
 841         }
 842
 843 }
 844
 845 static void
 846 modest_msg_view_init (ModestMsgView *obj)
 847 {
 848         ModestMsgViewPrivate *priv;
 849         GtkAdjustment *html_vadj;
 850
 851         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
 852         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
 853         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
 854         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
 855
 856         priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
 857
 858         priv->current_zoom = 1.0;
 859         priv->priority_flags = 0;
 860
 861         priv->hadj = NULL;
 862         priv->vadj = NULL;
 863         priv->shadow_type = GTK_SHADOW_IN;
 864         priv->view_window = NULL;
 865         priv->headers_window = NULL;
 866         priv->html_window = NULL;
 867
 868
 869         gtk_widget_push_composite_child ();
 870         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
 871         gtk_widget_set_composite_name (priv->html_scroll, "contents");
 872         gtk_widget_pop_composite_child ();
 873         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 874
 875         priv->msg                     = NULL;
 876
 877         priv->gtkhtml                 = gtk_html_new();
 878         gtk_html_set_editable        (GTK_HTML(priv->gtkhtml), FALSE);
 879         gtk_html_allow_selection     (GTK_HTML(priv->gtkhtml), TRUE);
 880         gtk_html_set_caret_mode      (GTK_HTML(priv->gtkhtml), FALSE);
 881         gtk_html_set_blocking        (GTK_HTML(priv->gtkhtml), FALSE);
 882         gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
 883
 884         priv->mail_header_view        = GTK_WIDGET(modest_mail_header_view_new (TRUE));
 885         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 886
 887         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
 888
 889         priv->sig1 = g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
 890                                        G_CALLBACK(on_link_clicked), obj);
 891         priv->sig2 = g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
 892                                        G_CALLBACK(on_url_requested), obj);
 893         priv->sig3 = g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
 894                                        G_CALLBACK(on_link_hover), obj);
 895
 896         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
 897                           G_CALLBACK (on_recpt_activated), obj);
 898
 899         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
 900                           G_CALLBACK (on_attachment_activated), obj);
 901
 902         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 903
 904         g_signal_connect (G_OBJECT (html_vadj), "changed",
 905                           G_CALLBACK (html_adjustment_changed), obj);
 906
 907 }
 908
 909
 910 static void
 911 modest_msg_view_finalize (GObject *obj)
 912 {
 913         ModestMsgViewPrivate *priv;
 914         priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
 915
 916         if (priv->msg) {
 917                 g_object_unref (G_OBJECT(priv->msg));
 918                 priv->msg = NULL;
 919         }
 920
 921         /* we cannot disconnect sigs, because priv->gtkhtml is
 922          * already dead */
 923
 924         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
 925         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
 926
 927         priv->gtkhtml = NULL;
 928         priv->attachments_view = NULL;
 929
 930         G_OBJECT_CLASS(parent_class)->finalize (obj);
 931 }
 932
 933 static void
 934 modest_msg_view_destroy (GtkObject *obj)
 935 {
 936         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
 937         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
 938
 939         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
 940 }
 941
 942 GtkAdjustment *
 943 modest_msg_view_get_vadjustment (ModestMsgView *msg_view)
 944 {
 945         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 946
 947         if (!priv->vadj)
 948                 modest_msg_view_set_vadjustment (msg_view, NULL);
 949
 950         return priv->vadj;
 951
 952 }
 953
 954 GtkAdjustment *
 955 modest_msg_view_get_hadjustment (ModestMsgView *msg_view)
 956 {
 957         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 958
 959         if (!priv->hadj)
 960                 modest_msg_view_set_hadjustment (msg_view, NULL);
 961
 962         return priv->hadj;
 963
 964 }
 965
 966 void
 967 modest_msg_view_set_hadjustment (ModestMsgView *msg_view, GtkAdjustment *hadj)
 968 {
 969         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 970         gboolean value_changed;
 971
 972         if (hadj && hadj == priv->hadj)
 973                 return;
 974
 975         if (!hadj)
 976                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
 977         disconnect_hadjustment (msg_view);
 978         g_object_ref (G_OBJECT (hadj));
 979         gtk_object_sink (GTK_OBJECT (hadj));
 980         priv->hadj = hadj;
 981         set_hadjustment_values (msg_view, &value_changed);
 982
 983         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
 984                           msg_view);
 985
 986         gtk_adjustment_changed (hadj);
 987         if (value_changed)
 988                 gtk_adjustment_value_changed (hadj);
 989         else
 990                 adjustment_value_changed (hadj, msg_view);
 991
 992         g_object_notify (G_OBJECT (msg_view), "hadjustment");
 993 }
 994
 995 void
 996 modest_msg_view_set_vadjustment (ModestMsgView *msg_view, GtkAdjustment *vadj)
 997 {
 998         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 999         gboolean value_changed;
1000
1001         if (vadj && vadj == priv->vadj)
1002                 return;
1003
1004         if (!vadj)
1005                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
1006         disconnect_vadjustment (msg_view);
1007         g_object_ref (G_OBJECT (vadj));
1008         gtk_object_sink (GTK_OBJECT (vadj));
1009         priv->vadj = vadj;
1010         set_vadjustment_values (msg_view, &value_changed);
1011
1012         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1013                           msg_view);
1014
1015         gtk_adjustment_changed (vadj);
1016         if (value_changed)
1017                 gtk_adjustment_value_changed (vadj);
1018         else
1019                 adjustment_value_changed (vadj, msg_view);
1020
1021         g_object_notify (G_OBJECT (msg_view), "vadjustment");
1022 }
1023
1024 /**
1025  * modest_msg_view_set_shadow_type:
1026  * @msg_view: a #ModestMsgView.
1027  * @shadow_type: new shadow type.
1028  *
1029  * Sets a shadow type of the message view.
1030  **/
1031 void
1032 modest_msg_view_set_shadow_type (ModestMsgView *msg_view,
1033                                  GtkShadowType shadow_type)
1034 {
1035         ModestMsgViewPrivate *priv;
1036         g_return_if_fail (MODEST_IS_MSG_VIEW (msg_view));
1037
1038         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1039
1040         if (priv->shadow_type != shadow_type) {
1041                 priv->shadow_type = shadow_type;
1042
1043                 if (GTK_WIDGET_VISIBLE (msg_view)) {
1044                         gtk_widget_size_allocate (GTK_WIDGET (msg_view), &(GTK_WIDGET (msg_view)->allocation));
1045                         gtk_widget_queue_draw (GTK_WIDGET (msg_view));
1046                 }
1047                 g_object_notify (G_OBJECT (msg_view), "shadow-type");
1048         }
1049 }
1050
1051 /**
1052  * modest_msg_view_get_shadow_type:
1053  * @msg_view: a #ModestMsgView
1054  *
1055  * Gets the current shadow type of the #ModestMsgView.
1056  *
1057  * Return value: the shadow type
1058  **/
1059 GtkShadowType
1060 modest_msg_view_get_shadow_type (ModestMsgView *msg_view)
1061 {
1062         ModestMsgViewPrivate *priv;
1063         g_return_val_if_fail (MODEST_IS_MSG_VIEW (msg_view), GTK_SHADOW_NONE);
1064         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1065
1066         return priv->shadow_type;
1067 }
1068
1069 GtkWidget*
1070 modest_msg_view_new (TnyMsg *msg)
1071 {
1072         GObject *obj;
1073         ModestMsgView* self;
1074         ModestMsgViewPrivate *priv;
1075         GtkWidget *separator;
1076
1077         obj  = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
1078         self = MODEST_MSG_VIEW(obj);
1079         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1080
1081         gtk_widget_push_composite_child ();
1082         priv->headers_box = gtk_vbox_new (0, FALSE);
1083         gtk_widget_set_composite_name (priv->headers_box, "headers");
1084         gtk_widget_pop_composite_child ();
1085
1086         if (priv->mail_header_view)
1087                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
1088
1089         if (priv->attachments_view) {
1090                 priv->attachments_box = (GtkWidget *) modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1091                                                                                                  _("Attachments:"), priv->attachments_view,
1092                                                                                                  FALSE, FALSE);
1093                 gtk_widget_hide_all (priv->attachments_box);
1094 /*              gtk_widget_set_no_show_all (priv->attachments_box, TRUE); */
1095         }
1096
1097         separator = gtk_hseparator_new ();
1098         gtk_box_pack_start (GTK_BOX(priv->headers_box), separator, FALSE, FALSE, 0);
1099
1100         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (self));
1101
1102         if (priv->gtkhtml) {
1103                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->gtkhtml);
1104                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(self));
1105 #ifdef MAEMO_CHANGES
1106                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (priv->gtkhtml), NULL, NULL, 0);
1107                 g_signal_connect (G_OBJECT (priv->gtkhtml), "tap-and-hold", G_CALLBACK (on_tap_and_hold), obj);
1108 #endif
1109         }
1110
1111         modest_msg_view_set_message (self, msg);
1112
1113         return GTK_WIDGET(self);
1114 }
1115
1116 #ifdef MAEMO_CHANGES
1117 static void
1118 on_tap_and_hold (GtkWidget *widget,
1119                  gpointer data)
1120 {
1121         ModestMsgView *msg_view = (ModestMsgView *) data;
1122         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1123
1124         g_signal_emit (G_OBJECT (msg_view), signals[LINK_CONTEXTUAL_SIGNAL],
1125                        0, priv->last_url);
1126 }
1127 #endif
1128
1129 static void
1130 on_recpt_activated (ModestMailHeaderView *header_view,
1131                     const gchar *address,
1132                     ModestMsgView * view)
1133 {
1134         g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
1135 }
1136
1137 static void
1138 on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer msg_view)
1139 {
1140
1141         g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
1142                        0, mime_part);
1143 }
1144
1145 static gboolean
1146 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1147 {
1148         g_return_val_if_fail (msg_view, FALSE);
1149
1150         g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
1151                        0, uri);
1152
1153         return FALSE;
1154 }
1155
1156
1157 static gboolean
1158 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1159 {
1160         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1161
1162         g_free (priv->last_url);
1163         priv->last_url = g_strdup (uri);
1164
1165         g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
1166                        0, uri);
1167
1168         return FALSE;
1169 }
1170
1171
1172
1173 static TnyMimePart *
1174 find_cid_image (TnyMsg *msg, const gchar *cid)
1175 {
1176         TnyMimePart *part = NULL;
1177         TnyList *parts;
1178         TnyIterator *iter;
1179
1180         g_return_val_if_fail (msg, NULL);
1181         g_return_val_if_fail (cid, NULL);
1182
1183         parts  = TNY_LIST (tny_simple_list_new());
1184
1185         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1186         iter   = tny_list_create_iterator (parts);
1187
1188         while (!tny_iterator_is_done(iter)) {
1189                 const gchar *part_cid;
1190                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1191                 part_cid = tny_mime_part_get_content_id (part);
1192
1193                 if (part_cid && strcmp (cid, part_cid) == 0)
1194                         break;
1195
1196                 g_object_unref (G_OBJECT(part));
1197
1198                 part = NULL;
1199                 tny_iterator_next (iter);
1200         }
1201
1202         g_object_unref (G_OBJECT(iter));
1203         g_object_unref (G_OBJECT(parts));
1204
1205         return part;
1206 }
1207
1208
1209 static gboolean
1210 on_url_requested (GtkWidget *widget, const gchar *uri,
1211                   GtkHTMLStream *stream, ModestMsgView *msg_view)
1212 {
1213         ModestMsgViewPrivate *priv;
1214         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1215
1216         if (g_str_has_prefix (uri, "cid:")) {
1217                 /* +4 ==> skip "cid:" */
1218                 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
1219                 if (!part) {
1220                         g_printerr ("modest: '%s' not found\n", uri + 4);
1221                         gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
1222                 } else {
1223                         TnyStream *tny_stream =
1224                                 TNY_STREAM(modest_tny_stream_gtkhtml_new(stream));
1225                         tny_mime_part_decode_to_stream ((TnyMimePart*)part,
1226                                                                   tny_stream);
1227                         gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
1228
1229                         g_object_unref (G_OBJECT(tny_stream));
1230                         g_object_unref (G_OBJECT(part));
1231                 }
1232         }
1233
1234         return TRUE;
1235 }
1236
1237 static gboolean
1238 set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1239 {
1240         GtkHTMLStream *gtkhtml_stream;
1241         TnyStream *tny_stream;
1242         ModestMsgViewPrivate *priv;
1243
1244         g_return_val_if_fail (self, FALSE);
1245         g_return_val_if_fail (tny_body, FALSE);
1246
1247         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1248
1249         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1250
1251         tny_stream     = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1252         tny_stream_reset (tny_stream);
1253
1254         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, tny_stream);
1255         g_object_unref (G_OBJECT(tny_stream));
1256
1257         gtk_html_stream_destroy (gtkhtml_stream);
1258
1259         return TRUE;
1260 }
1261
1262
1263 /* FIXME: this is a hack --> we use the tny_text_buffer_stream to
1264  * get the message text, then write to gtkhtml 'by hand' */
1265 static gboolean
1266 set_text_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1267 {
1268         GtkTextBuffer *buf;
1269         GtkTextIter begin, end;
1270         TnyStream* txt_stream, *tny_stream;
1271         GtkHTMLStream *gtkhtml_stream;
1272         gchar *txt;
1273         ModestMsgViewPrivate *priv;
1274
1275         g_return_val_if_fail (self, FALSE);
1276         g_return_val_if_fail (tny_body, FALSE);
1277
1278         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
1279
1280         buf            = gtk_text_buffer_new (NULL);
1281         txt_stream     = TNY_STREAM(tny_gtk_text_buffer_stream_new (buf));
1282
1283         tny_stream_reset (txt_stream);
1284
1285         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1286         tny_stream =  TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1287
1288         // FIXME: tinymail
1289         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, txt_stream);
1290         tny_stream_reset (txt_stream);
1291
1292         gtk_text_buffer_get_bounds (buf, &begin, &end);
1293         txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
1294         if (txt) {
1295                 gchar *html = modest_text_utils_convert_to_html (txt);
1296                 tny_stream_write (tny_stream, html, strlen(html));
1297                 tny_stream_reset (tny_stream);
1298                 g_free (txt);
1299                 g_free (html);
1300         }
1301
1302         g_object_unref (G_OBJECT(tny_stream));
1303         g_object_unref (G_OBJECT(txt_stream));
1304         g_object_unref (G_OBJECT(buf));
1305
1306         gtk_html_stream_destroy (gtkhtml_stream);
1307
1308         return TRUE;
1309 }
1310
1311
1312 static gboolean
1313 set_empty_message (ModestMsgView *self)
1314 {
1315         ModestMsgViewPrivate *priv;
1316
1317         g_return_val_if_fail (self, FALSE);
1318         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
1319
1320         gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
1321                                    "", 1);
1322
1323         return TRUE;
1324 }
1325
1326
1327 void
1328 modest_msg_view_set_message (ModestMsgView *self, TnyMsg *msg)
1329 {
1330         TnyMimePart *body;
1331         ModestMsgViewPrivate *priv;
1332         TnyHeader *header;
1333
1334         g_return_if_fail (self);
1335
1336         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1337         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1338
1339         if (msg != priv->msg) {
1340                 if (priv->msg)
1341                         g_object_unref (G_OBJECT(priv->msg));
1342                 if (msg)
1343                         g_object_ref   (G_OBJECT(msg));
1344                 priv->msg = msg;
1345         }
1346
1347         if (!msg) {
1348                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1349                 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1350                 gtk_widget_hide_all (priv->mail_header_view);
1351                 gtk_widget_hide_all (priv->attachments_box);
1352                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1353                 set_empty_message (self);
1354                 gtk_widget_queue_resize (GTK_WIDGET(self));
1355                 gtk_widget_queue_draw (GTK_WIDGET(self));
1356                 return;
1357         }
1358
1359         header = tny_msg_get_header (msg);
1360         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1361         g_object_unref (header);
1362
1363         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1364                                              msg);
1365
1366         body = modest_tny_msg_find_body_part (msg,TRUE);
1367         if (body) {
1368                 GList *att_children;
1369                 if (tny_mime_part_content_type_is (body, "text/html"))
1370                         set_html_message (self, body, msg);
1371                 else
1372                         set_text_message (self, body, msg);
1373
1374                 att_children = gtk_container_get_children (GTK_CONTAINER (priv->attachments_view));
1375                 if (att_children != NULL) {
1376                         gtk_widget_show_all (priv->attachments_box);
1377                         g_list_free (att_children);
1378                 } else {
1379                         gtk_widget_hide_all (priv->attachments_box);
1380                 }
1381
1382         } else
1383                 set_empty_message (self);
1384
1385         gtk_widget_show (priv->gtkhtml);
1386         gtk_widget_set_no_show_all (priv->attachments_box, TRUE);
1387         gtk_widget_show_all (priv->mail_header_view);
1388         gtk_widget_set_no_show_all (priv->attachments_box, FALSE);
1389 /*      gtk_widget_show_all (priv->attachments_box); */
1390 /*      gtk_widget_show_all (priv->attachments_box); */
1391         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1392         gtk_widget_queue_resize (GTK_WIDGET(self));
1393         gtk_widget_queue_draw (GTK_WIDGET(self));
1394
1395         if (priv->hadj != NULL)
1396                 priv->hadj->value = 0.0;
1397         if (priv->vadj != NULL)
1398                 priv->vadj->value = 0.0;
1399
1400 }
1401
1402
1403 TnyMsg*
1404 modest_msg_view_get_message (ModestMsgView *self)
1405 {
1406         g_return_val_if_fail (self, NULL);
1407
1408         return MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;
1409 }
1410
1411 gboolean
1412 modest_msg_view_search (ModestMsgView *self, const gchar *search)
1413 {
1414         ModestMsgViewPrivate *priv;
1415         gboolean result;
1416         GtkAdjustment *vadj, *tmp_vadj;
1417         gdouble y_offset;
1418
1419         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), FALSE);
1420
1421         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1422         vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (priv->gtkhtml));
1423         g_object_ref (vadj);
1424         tmp_vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, vadj->lower, vadj->upper, vadj->step_increment, 32.0, 32.0));
1425         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->gtkhtml), tmp_vadj);
1426         result = gtk_html_engine_search (GTK_HTML (priv->gtkhtml),
1427                                          search,
1428                                          FALSE, TRUE, TRUE);
1429         y_offset = tmp_vadj->value;
1430         g_message ("VALUE %f", y_offset);
1431         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->gtkhtml), vadj);
1432         g_object_unref (vadj);
1433
1434         return result;
1435 }
1436
1437 gboolean
1438 modest_msg_view_search_next (ModestMsgView *self)
1439 {
1440         ModestMsgViewPrivate *priv;
1441         gboolean result;
1442
1443         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), FALSE);
1444
1445         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1446         result = gtk_html_engine_search_next (GTK_HTML (priv->gtkhtml));
1447
1448         {
1449                 GtkAdjustment *adj;
1450
1451                 adj = gtk_container_get_focus_vadjustment (GTK_CONTAINER (priv->gtkhtml));
1452                 g_message ("ADJ value %f", adj->value);
1453         }
1454
1455         return result;
1456 }
1457
1458 void
1459 modest_msg_view_set_zoom (ModestMsgView *self, gdouble zoom)
1460 {
1461         ModestMsgViewPrivate *priv;
1462
1463         g_return_if_fail (MODEST_IS_MSG_VIEW (self));
1464
1465         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1466         priv->current_zoom = zoom;
1467         gtk_html_set_magnification (GTK_HTML(priv->gtkhtml), zoom);
1468
1469         gtk_widget_queue_resize (priv->gtkhtml);
1470 }
1471
1472 gdouble
1473 modest_msg_view_get_zoom (ModestMsgView *self)
1474 {
1475         ModestMsgViewPrivate *priv;
1476
1477         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), 1.0);
1478
1479         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1480
1481         return priv->current_zoom;
1482 }
1483
1484 TnyHeaderFlags
1485 modest_msg_view_get_priority (ModestMsgView *self)
1486 {
1487         ModestMsgViewPrivate *priv;
1488
1489         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), 0);
1490
1491         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1492
1493         return priv->priority_flags;
1494 }
1495
1496 void
1497 modest_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags)
1498 {
1499         ModestMsgViewPrivate *priv;
1500
1501         g_return_if_fail (MODEST_IS_MSG_VIEW (self));
1502
1503         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1504
1505         priv->priority_flags = flags & (TNY_HEADER_FLAG_HIGH_PRIORITY);
1506
1507         modest_mail_header_view_set_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), flags);
1508 }