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
  70 #ifdef MAEMO_CHANGES
  71 static void     on_tap_and_hold (GtkWidget *widget, gpointer userdata);
  72 #endif /*MAEMO_CHANGES*/
  73
  74
  75 /* size allocation and drawing handlers */
  76 static void get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation);
  77 static void size_request (GtkWidget *widget, GtkRequisition *req);
  78 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
  79 static void realize (GtkWidget *widget);
  80 static void unrealize (GtkWidget *widget);
  81 static gint expose (GtkWidget *widget, GdkEventExpose *event);
  82 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
  83 static void set_hadjustment_values (ModestMsgView *msg_view, gboolean *value_changed);
  84 static void set_scroll_adjustments (ModestMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
  85 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
  86 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
  87 static void disconnect_vadjustment (ModestMsgView *obj);
  88 static void disconnect_hadjustment (ModestMsgView *obj);
  89
  90 /* GtkContainer methods */
  91 static void forall (GtkContainer *container, gboolean include_internals,
  92                     GtkCallback callback, gpointer userdata);
  93 static void container_remove (GtkContainer *container, GtkWidget *widget);
  94
  95 /* list my signals */
  96 enum {
  97         LINK_CLICKED_SIGNAL,
  98         LINK_HOVER_SIGNAL,
  99         ATTACHMENT_CLICKED_SIGNAL,
 100         RECPT_ACTIVATED_SIGNAL,
 101         LINK_CONTEXTUAL_SIGNAL,
 102         LAST_SIGNAL
 103 };
 104
 105 /* list properties */
 106 enum {
 107         PROP_0,
 108         PROP_HADJUSTMENT,
 109         PROP_VADJUSTMENT,
 110         PROP_SHADOW_TYPE
 111 };
 112
 113 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
 114 struct _ModestMsgViewPrivate {
 115         GtkWidget   *gtkhtml;
 116         GtkWidget   *mail_header_view;
 117         GtkWidget   *attachments_view;
 118
 119         TnyMsg      *msg;
 120
 121         /* embedded elements */
 122         GtkWidget   *headers_box;
 123         GtkWidget   *html_scroll;
 124         GtkWidget   *attachments_box;
 125
 126         /* internal adjustments for set_scroll_adjustments */
 127         GtkAdjustment *hadj;
 128         GtkAdjustment *vadj;
 129         GtkShadowType shadow_type;
 130
 131         /* gdk windows for drawing */
 132         GdkWindow *view_window;
 133         GdkWindow *headers_window;
 134         GdkWindow *html_window;
 135
 136         /* zoom */
 137         gdouble current_zoom;
 138
 139         /* link click management */
 140         gchar *last_url;
 141
 142         TnyHeaderFlags priority_flags;
 143
 144         gulong  sig1, sig2, sig3;
 145 };
 146 #define MODEST_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 147                                                  MODEST_TYPE_MSG_VIEW, \
 148                                                  ModestMsgViewPrivate))
 149 /* globals */
 150 static GtkContainerClass *parent_class = NULL;
 151
 152 /* uncomment the following if you have defined any signals */
 153 static guint signals[LAST_SIGNAL] = {0};
 154
 155 GType
 156 modest_msg_view_get_type (void)
 157 {
 158         static GType my_type = 0;
 159         if (!my_type) {
 160                 static const GTypeInfo my_info = {
 161                         sizeof(ModestMsgViewClass),
 162                         NULL,           /* base init */
 163                         NULL,           /* base finalize */
 164                         (GClassInitFunc) modest_msg_view_class_init,
 165                         NULL,           /* class finalize */
 166                         NULL,           /* class data */
 167                         sizeof(ModestMsgView),
 168                         1,              /* n_preallocs */
 169                         (GInstanceInitFunc) modest_msg_view_init,
 170                         NULL
 171                 };
 172                 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
 173                                                   "ModestMsgView",
 174                                                   &my_info, 0);
 175         }
 176         return my_type;
 177 }
 178
 179 static void
 180 modest_msg_view_class_init (ModestMsgViewClass *klass)
 181 {
 182         GObjectClass *gobject_class;
 183         GtkWidgetClass *widget_class;
 184         GtkObjectClass *gtkobject_class;
 185         GtkContainerClass *container_class;
 186         gobject_class = (GObjectClass*) klass;
 187         widget_class = (GtkWidgetClass *) klass;
 188         gtkobject_class = (GtkObjectClass *) klass;
 189         container_class = (GtkContainerClass *) klass;
 190
 191         parent_class            = g_type_class_peek_parent (klass);
 192         gobject_class->finalize = modest_msg_view_finalize;
 193         gobject_class->set_property = set_property;
 194         gobject_class->get_property = get_property;
 195         gtkobject_class->destroy = modest_msg_view_destroy;
 196
 197         widget_class->realize = realize;
 198         widget_class->unrealize = unrealize;
 199         widget_class->expose_event = expose;
 200         widget_class->size_request = size_request;
 201         widget_class->size_allocate = size_allocate;
 202
 203         container_class->forall = forall;
 204         container_class->remove = container_remove;
 205
 206         klass->set_scroll_adjustments = set_scroll_adjustments;
 207
 208         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
 209
 210         g_object_class_install_property (gobject_class,
 211                                          PROP_HADJUSTMENT,
 212                                          g_param_spec_object ("hadjustment",
 213                                                               _("Horizontal adjustment"),
 214                                                               _("GtkAdjustment with information of the horizontal visible position"),
 215                                                               GTK_TYPE_ADJUSTMENT,
 216                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 217
 218         g_object_class_install_property (gobject_class,
 219                                          PROP_VADJUSTMENT,
 220                                          g_param_spec_object ("vadjustment",
 221                                                               _("Vertical adjustment"),
 222                                                               _("GtkAdjustment with information of the vertical visible position"),
 223                                                               GTK_TYPE_ADJUSTMENT,
 224                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 225
 226         g_object_class_install_property (gobject_class,
 227                                          PROP_SHADOW_TYPE,
 228                                          g_param_spec_enum ("shadow_type",
 229                                                             _("Shadow type"),
 230                                                             _("Kind of shadow that's shown around the view"),
 231                                                             GTK_TYPE_SHADOW_TYPE,
 232                                                             GTK_SHADOW_IN,
 233                                                             G_PARAM_READABLE | G_PARAM_WRITABLE ));
 234
 235         signals[LINK_CLICKED_SIGNAL] =
 236                 g_signal_new ("link_clicked",
 237                               G_TYPE_FROM_CLASS (gobject_class),
 238                               G_SIGNAL_RUN_FIRST,
 239                               G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
 240                               NULL, NULL,
 241                               g_cclosure_marshal_VOID__STRING,
 242                               G_TYPE_NONE, 1, G_TYPE_STRING);
 243
 244         signals[ATTACHMENT_CLICKED_SIGNAL] =
 245                 g_signal_new ("attachment_clicked",
 246                               G_TYPE_FROM_CLASS (gobject_class),
 247                               G_SIGNAL_RUN_FIRST,
 248                               G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
 249                               NULL, NULL,
 250                               g_cclosure_marshal_VOID__OBJECT,
 251                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 252
 253         signals[LINK_HOVER_SIGNAL] =
 254                 g_signal_new ("link_hover",
 255                               G_TYPE_FROM_CLASS (gobject_class),
 256                               G_SIGNAL_RUN_FIRST,
 257                               G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
 258                               NULL, NULL,
 259                               g_cclosure_marshal_VOID__STRING,
 260                               G_TYPE_NONE, 1, G_TYPE_STRING);
 261
 262         signals[RECPT_ACTIVATED_SIGNAL] =
 263                 g_signal_new ("recpt_activated",
 264                               G_TYPE_FROM_CLASS (gobject_class),
 265                               G_SIGNAL_RUN_FIRST,
 266                               G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
 267                               NULL, NULL,
 268                               g_cclosure_marshal_VOID__STRING,
 269                               G_TYPE_NONE, 1, G_TYPE_STRING);
 270
 271         signals[LINK_CONTEXTUAL_SIGNAL] =
 272                 g_signal_new ("link_contextual",
 273                               G_TYPE_FROM_CLASS (gobject_class),
 274                               G_SIGNAL_RUN_FIRST,
 275                               G_STRUCT_OFFSET(ModestMsgViewClass, link_contextual),
 276                               NULL, NULL,
 277                               g_cclosure_marshal_VOID__STRING,
 278                               G_TYPE_NONE, 1, G_TYPE_STRING);
 279
 280         widget_class->set_scroll_adjustments_signal =
 281                 g_signal_new ("set_scroll_adjustments",
 282                               G_OBJECT_CLASS_TYPE (gobject_class),
 283                               G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
 284                               G_STRUCT_OFFSET (ModestMsgViewClass, set_scroll_adjustments),
 285                               NULL, NULL,
 286                               modest_marshal_VOID__POINTER_POINTER,
 287                               G_TYPE_NONE, 2,
 288                               GTK_TYPE_ADJUSTMENT,
 289                               GTK_TYPE_ADJUSTMENT);
 290 }
 291
 292 static void
 293 set_property (GObject *object,
 294               guint prop_id,
 295               const GValue *value,
 296               GParamSpec *pspec)
 297 {
 298         ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
 299
 300         switch (prop_id) {
 301         case PROP_HADJUSTMENT:
 302                 modest_msg_view_set_hadjustment (msg_view, g_value_get_object (value));
 303                 break;
 304         case PROP_VADJUSTMENT:
 305                 modest_msg_view_set_vadjustment (msg_view, g_value_get_object (value));
 306                 break;
 307         case PROP_SHADOW_TYPE:
 308                 modest_msg_view_set_shadow_type (msg_view, g_value_get_enum (value));
 309                 break;
 310         default:
 311                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 312                 break;
 313         }
 314 }
 315
 316 static void
 317 get_property (GObject *object,
 318               guint prop_id,
 319               GValue *value,
 320               GParamSpec *pspec)
 321 {
 322         ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
 323         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 324
 325         switch (prop_id) {
 326         case PROP_HADJUSTMENT:
 327                 g_value_set_object (value, priv->hadj);
 328                 break;
 329         case PROP_VADJUSTMENT:
 330                 g_value_set_object (value, priv->vadj);
 331                 break;
 332         case PROP_SHADOW_TYPE:
 333                 g_value_set_enum (value, priv->shadow_type);
 334                 break;
 335         default:
 336                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 337                 break;
 338         }
 339 }
 340
 341 static void
 342 disconnect_hadjustment (ModestMsgView *msg_view)
 343 {
 344         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 345
 346         if (priv->hadj) {
 347                 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, msg_view);
 348                 g_object_unref (priv->hadj);
 349                 priv->hadj = NULL;
 350         }
 351 }
 352
 353 static void
 354 disconnect_vadjustment (ModestMsgView *msg_view)
 355 {
 356         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 357
 358         if (priv->vadj) {
 359                 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, msg_view);
 360                 g_object_unref (priv->vadj);
 361                 priv->vadj = NULL;
 362         }
 363 }
 364
 365 static void
 366 get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation)
 367 {
 368         /* This method gets the allocation of the widget in parent widget. It's the
 369            real position and size of the widget */
 370         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 371
 372         allocation->x = 0;
 373         allocation->y = 0;
 374
 375         if (priv->shadow_type != GTK_SHADOW_NONE) {
 376                 allocation->x = GTK_WIDGET (msg_view)->style->xthickness;
 377                 allocation->y = GTK_WIDGET (msg_view)->style->ythickness;
 378         }
 379
 380         allocation->width = MAX (1, (GTK_WIDGET (msg_view)->allocation.width) - allocation->x * 2);
 381         allocation->height = MAX (1, (GTK_WIDGET (msg_view)->allocation.height) - allocation->y * 2);
 382
 383 }
 384
 385 static void
 386 reclamp_adjustment (GtkAdjustment *adj,
 387                     gboolean *value_changed)
 388 {
 389         gdouble value = adj->value;
 390
 391         /* Correct value to be inside the expected values of a scroll */
 392
 393         value = CLAMP (value, 0, adj->upper - adj->page_size);
 394
 395         if (value != adj->value) {
 396                 adj->value = value;
 397                 if (value_changed)
 398                         *value_changed = TRUE;
 399         } else if (value_changed) {
 400                 *value_changed = FALSE;
 401         }
 402 }
 403
 404 static void
 405 set_hadjustment_values (ModestMsgView *msg_view,
 406                         gboolean *value_changed)
 407 {
 408         GtkAllocation view_allocation;
 409         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 410
 411         get_view_allocation (msg_view, &view_allocation);
 412         hadj->page_size = view_allocation.width;
 413         hadj->step_increment = view_allocation.width * 0.1;
 414         hadj->page_increment = view_allocation.width * 0.9;
 415
 416         hadj->lower = 0;
 417         hadj->upper = view_allocation.width;
 418
 419         reclamp_adjustment (hadj, value_changed);
 420
 421 }
 422
 423 static void
 424 set_vadjustment_values (ModestMsgView *msg_view,
 425                         gboolean *value_changed)
 426 {
 427         GtkAllocation view_allocation;
 428         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 429         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 430         gint full_height = 0;
 431         GtkAdjustment *html_vadj;
 432
 433         get_view_allocation (msg_view, &view_allocation);
 434         vadj->page_size = view_allocation.height;
 435         vadj->step_increment = view_allocation.height * 0.1;
 436         vadj->page_increment = view_allocation.height * 0.9;
 437
 438         vadj->lower = 0;
 439
 440         if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
 441                 GtkRequisition child_requisition;
 442
 443                 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
 444                 full_height = child_requisition.height;
 445         } else {
 446                 full_height = 0;
 447         }
 448
 449         /* Get the real height of the embedded html */
 450         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 451                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 452                 full_height += html_vadj->upper;
 453         }
 454
 455         vadj->upper = MAX (view_allocation.height, full_height);
 456
 457         reclamp_adjustment (vadj, value_changed);
 458
 459 }
 460
 461 static void
 462 set_scroll_adjustments (ModestMsgView *msg_view,
 463                         GtkAdjustment *hadj,
 464                         GtkAdjustment *vadj)
 465 {
 466         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 467         modest_msg_view_set_hadjustment (msg_view, hadj);
 468         modest_msg_view_set_vadjustment (msg_view, vadj);
 469
 470         gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->gtkhtml), vadj);
 471 }
 472
 473 static void
 474 realize (GtkWidget *widget)
 475 {
 476         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 477         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 478         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 479         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 480         GdkWindowAttr attributes;
 481         gint event_mask;
 482         gint attributes_mask;
 483         GtkAllocation view_allocation;
 484
 485         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 486
 487         /* The structure of the GdkWindow's is:
 488          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 489          *    * view_window: a backing store gdkwindow containing the headers and contents
 490          *      being scrolled. This window should have all the visible and non visible
 491          *      widgets inside.
 492          *    * headers_window: gdk window for headers_box.
 493          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 494          *      gtkhtml showing the contents of the mail).
 495          */
 496
 497         attributes.x = widget->allocation.x;
 498         attributes.y = widget->allocation.y;
 499         attributes.width = widget->allocation.width;
 500         attributes.height = widget->allocation.height;
 501         attributes.window_type = GDK_WINDOW_CHILD;
 502         attributes.wclass = GDK_INPUT_OUTPUT;
 503         attributes.visual = gtk_widget_get_visual (widget);
 504         attributes.colormap = gtk_widget_get_colormap (widget);
 505
 506         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 507         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 508         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 509
 510         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 511                                          &attributes, attributes_mask);
 512         gdk_window_set_user_data (widget->window, msg_view);
 513
 514         get_view_allocation (msg_view, &view_allocation);
 515
 516         attributes.x = view_allocation.x;
 517         attributes.y = view_allocation.y;
 518         attributes.width = view_allocation.width;
 519         attributes.height = view_allocation.height;
 520         attributes.event_mask = 0;
 521         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 522         gdk_window_set_user_data (priv->view_window, msg_view);
 523         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 524
 525         attributes.x = -hadj->value;
 526         attributes.y = -vadj->value;
 527         attributes.width = hadj->upper;
 528         if (priv->headers_box)
 529                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 530         else
 531                 attributes.height = 1;
 532         attributes.event_mask = event_mask;
 533
 534         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 535         gdk_window_set_user_data (priv->headers_window, msg_view);
 536
 537         if (priv->headers_box)
 538                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 539
 540         attributes.x = -hadj->value;
 541         if (priv->headers_box)
 542                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 543         else
 544                 attributes.y = -vadj->value;
 545         attributes.width = hadj->upper;
 546         if (priv->headers_box)
 547                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 548         else
 549                 attributes.height = vadj->upper;
 550         attributes.event_mask = event_mask;
 551
 552         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 553         gdk_window_set_user_data (priv->html_window, msg_view);
 554
 555         if (priv->html_scroll)
 556                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 557
 558         widget->style = gtk_style_attach (widget->style, widget->window);
 559         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 560         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 561         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 562
 563         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 564                            GTK_SHADOW_NONE,
 565                            NULL, widget, "msgviewheaders",
 566                            0,0,-1,-1);
 567         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 568                            GTK_SHADOW_NONE,
 569                            NULL, widget, "msgviewcontents",
 570                            0,0,-1,-1);
 571
 572         gdk_window_show (priv->view_window);
 573         gdk_window_show (priv->headers_window);
 574         gdk_window_show (priv->html_window);
 575
 576 }
 577
 578 static void
 579 unrealize (GtkWidget *widget)
 580 {
 581         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 582         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 583
 584         gdk_window_set_user_data (priv->view_window, NULL);
 585         gdk_window_destroy (priv->view_window);
 586         priv->view_window = NULL;
 587
 588         gdk_window_set_user_data (priv->headers_window, NULL);
 589         gdk_window_destroy (priv->headers_window);
 590         priv->headers_window = NULL;
 591
 592         gdk_window_set_user_data (priv->html_window, NULL);
 593         gdk_window_destroy (priv->html_window);
 594         priv->html_window = NULL;
 595
 596         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 597                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 598
 599 }
 600
 601 static gint
 602 expose (GtkWidget *widget,
 603         GdkEventExpose *event)
 604 {
 605         ModestMsgView *msg_view;
 606         ModestMsgViewPrivate *priv;
 607
 608         if (GTK_WIDGET_DRAWABLE (widget)) {
 609                 msg_view = MODEST_MSG_VIEW (widget);
 610                 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 611                 if (event->window == widget->window) {
 612                         gtk_paint_shadow (widget->style, widget->window,
 613                                           GTK_STATE_NORMAL, priv->shadow_type,
 614                                           &event->area, widget, "msgview",
 615                                           0,0,-1,-1);
 616                 } else if (event->window == priv->headers_window) {
 617                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 618                                            GTK_SHADOW_NONE,
 619                                            &event->area, widget, "msgviewheaders",
 620                                            0,0,-1,-1);
 621                 } else if (event->window == priv->html_window) {
 622                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 623                                            GTK_SHADOW_NONE,
 624                                            &event->area, widget, "msgviewcontents",
 625                                            0,0,-1,-1);
 626                 }
 627                 if (priv->headers_box)
 628                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->headers_box, event);
 629                 if (priv->html_scroll)
 630                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->html_scroll, event);
 631                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 632         }
 633
 634         return FALSE;
 635 }
 636
 637 static void
 638 forall (GtkContainer *container,
 639         gboolean include_internals,
 640         GtkCallback callback,
 641         gpointer userdata)
 642 {
 643         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 644         g_return_if_fail (callback != NULL);
 645
 646         if (priv->headers_box)
 647                 (*callback) (priv->headers_box, userdata);
 648         if (priv->html_scroll)
 649                 (*callback) (priv->html_scroll, userdata);
 650 }
 651
 652 static void
 653 container_remove (GtkContainer *container,
 654                   GtkWidget *widget)
 655 {
 656         gboolean was_visible = FALSE;
 657         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 658         was_visible = GTK_WIDGET_VISIBLE (widget);
 659         if (widget == priv->headers_box) {
 660                 gtk_widget_unparent (priv->headers_box);
 661                 priv->headers_box = NULL;
 662         } else if (widget == priv->html_scroll) {
 663                 gtk_widget_unparent (priv->html_scroll);
 664                 priv->html_scroll = NULL;
 665         } else {
 666                 return;
 667         }
 668         if (was_visible)
 669                 gtk_widget_queue_resize (GTK_WIDGET(container));
 670
 671 }
 672
 673 static void
 674 size_request (GtkWidget *widget,
 675               GtkRequisition *req)
 676 {
 677         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
 678         GtkRequisition child_req;
 679
 680         req->width = 0;
 681         req->height = 0;
 682
 683         gtk_widget_size_request (priv->headers_box, &child_req);
 684         req->width = child_req.width;
 685         req->height += child_req.height;
 686         gtk_widget_size_request (priv->html_scroll, &child_req);
 687         req->width = MAX (child_req.width, req->width);
 688         req->height += child_req.height;
 689
 690 }
 691
 692 static void
 693 size_allocate (GtkWidget *widget,
 694                GtkAllocation *allocation)
 695 {
 696         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 697         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 698         gboolean hadj_value_changed, vadj_value_changed;
 699         GtkAllocation headers_allocation, html_allocation, view_allocation;
 700         GtkAdjustment *html_vadj;
 701
 702         if (GTK_WIDGET_MAPPED (widget) &&
 703             priv->shadow_type != GTK_SHADOW_NONE &&
 704             (allocation->width != widget->allocation.width ||
 705              allocation->height != widget->allocation.height))
 706                 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 707
 708         widget->allocation = *allocation;
 709         set_hadjustment_values (msg_view, &hadj_value_changed);
 710         set_vadjustment_values (msg_view, &vadj_value_changed);
 711
 712         get_view_allocation (msg_view, &view_allocation);
 713
 714         headers_allocation.x = 0;
 715         headers_allocation.y = 0;
 716         headers_allocation.width = view_allocation.width;
 717         if (priv->headers_box)
 718                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 719         else
 720                 headers_allocation.height = 0;
 721
 722         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 723
 724         html_allocation.x = 0;
 725         html_allocation.y = headers_allocation.height;
 726         html_allocation.width = view_allocation.width;
 727         html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
 728
 729         if (GTK_WIDGET_REALIZED (widget)) {
 730                 gdk_window_move_resize (widget->window,
 731                                         allocation->x,
 732                                         allocation->y,
 733                                         allocation->width,
 734                                         allocation->height);
 735
 736                 gdk_window_move_resize (priv->view_window,
 737                                         view_allocation.x,
 738                                         view_allocation.y,
 739                                         view_allocation.width,
 740                                         view_allocation.height);
 741                 gdk_window_move_resize (priv->headers_window,
 742                                         0,
 743                                         (gint) (- priv->vadj->value),
 744                                         allocation->width,
 745                                         headers_allocation.height);
 746                 gdk_window_move_resize (priv->html_window,
 747                                         (gint) (- priv->hadj->value),
 748                                         (gint) (html_allocation.y - priv->vadj->value),
 749                                         (gint) priv->hadj->upper,
 750                                         html_allocation.height);
 751         }
 752
 753         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 754                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 755         }
 756         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 757                 html_allocation.x = 0;
 758                 html_allocation.y = 0;
 759                 html_allocation.width = (gint) priv->hadj->upper;
 760                 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
 761                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 762         }
 763         gtk_adjustment_changed (priv->hadj);
 764         gtk_adjustment_changed (priv->vadj);
 765
 766         if (hadj_value_changed)
 767                 gtk_adjustment_value_changed (priv->hadj);
 768         if (vadj_value_changed)
 769                 gtk_adjustment_value_changed (priv->vadj);
 770
 771 }
 772
 773 static void
 774 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
 775 {
 776         ModestMsgView *msg_view = NULL;
 777         ModestMsgViewPrivate *priv = NULL;
 778
 779         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
 780         g_return_if_fail (MODEST_IS_MSG_VIEW (data));
 781
 782         msg_view = MODEST_MSG_VIEW (data);
 783         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 784
 785         if (GTK_WIDGET_REALIZED (msg_view)) {
 786                 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 787                 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 788                 gint headers_offset = 0;
 789
 790                 gtk_widget_queue_resize (priv->html_scroll);
 791
 792                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 793                         gint old_x, old_y;
 794                         gint new_x, new_y;
 795                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
 796                         new_x = 0;
 797                         new_y = -vadj->value;
 798
 799                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
 800
 801                         if (new_x != old_x || new_y != old_y) {
 802                                 gdk_window_move (priv->headers_window, new_x, new_y);
 803                                 gdk_window_process_updates (priv->headers_window, TRUE);
 804                         }
 805                 }
 806
 807                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 808                         gint old_x, old_y;
 809                         gint new_x, new_y;
 810                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
 811                         new_x = -hadj->value;
 812                         new_y = headers_offset - vadj->value;
 813
 814                         if (new_x != old_x || new_y != old_y) {
 815                                 gdk_window_move (priv->html_window, new_x, new_y);
 816                                 gdk_window_process_updates (priv->html_window, TRUE);
 817                         }
 818                 }
 819
 820         }
 821 }
 822
 823 static void
 824 html_adjustment_changed (GtkAdjustment *adj,
 825                          gpointer userdata)
 826 {
 827         ModestMsgView *msg_view = MODEST_MSG_VIEW (userdata);
 828         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 829         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 830         gboolean vadj_changed;
 831         gint new_height;
 832
 833         priv->html_scroll->requisition.height = html_vadj->upper;
 834         priv->html_scroll->allocation.height = html_vadj->upper;
 835
 836         set_vadjustment_values (msg_view, &vadj_changed);
 837
 838         new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
 839
 840         gtk_adjustment_changed (priv->vadj);
 841         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
 842                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
 843                 gdk_window_process_updates (priv->view_window, TRUE);
 844                 gtk_container_resize_children (GTK_CONTAINER (msg_view));
 845         }
 846
 847 }
 848
 849 static void
 850 modest_msg_view_init (ModestMsgView *obj)
 851 {
 852         ModestMsgViewPrivate *priv;
 853         GtkAdjustment *html_vadj;
 854
 855         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
 856         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
 857         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
 858         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
 859
 860         priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
 861
 862         priv->current_zoom = 1.0;
 863         priv->priority_flags = 0;
 864
 865         priv->hadj = NULL;
 866         priv->vadj = NULL;
 867         priv->shadow_type = GTK_SHADOW_IN;
 868         priv->view_window = NULL;
 869         priv->headers_window = NULL;
 870         priv->html_window = NULL;
 871
 872
 873         gtk_widget_push_composite_child ();
 874         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
 875         gtk_widget_set_composite_name (priv->html_scroll, "contents");
 876         gtk_widget_pop_composite_child ();
 877         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 878
 879         priv->msg                     = NULL;
 880
 881         priv->gtkhtml                 = gtk_html_new();
 882         gtk_html_set_editable        (GTK_HTML(priv->gtkhtml), FALSE);
 883         gtk_html_allow_selection     (GTK_HTML(priv->gtkhtml), TRUE);
 884         gtk_html_set_caret_mode      (GTK_HTML(priv->gtkhtml), FALSE);
 885         gtk_html_set_blocking        (GTK_HTML(priv->gtkhtml), FALSE);
 886         gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
 887
 888         priv->mail_header_view        = GTK_WIDGET(modest_mail_header_view_new (TRUE));
 889         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 890
 891         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
 892
 893         priv->sig1 = g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
 894                                        G_CALLBACK(on_link_clicked), obj);
 895         priv->sig2 = g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
 896                                        G_CALLBACK(on_url_requested), obj);
 897         priv->sig3 = g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
 898                                        G_CALLBACK(on_link_hover), obj);
 899
 900         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
 901                           G_CALLBACK (on_recpt_activated), obj);
 902
 903         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
 904                           G_CALLBACK (on_attachment_activated), obj);
 905
 906         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 907
 908         g_signal_connect (G_OBJECT (html_vadj), "changed",
 909                           G_CALLBACK (html_adjustment_changed), obj);
 910
 911 }
 912
 913
 914 static void
 915 modest_msg_view_finalize (GObject *obj)
 916 {
 917         ModestMsgViewPrivate *priv;
 918         priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
 919
 920         if (priv->msg) {
 921                 g_object_unref (G_OBJECT(priv->msg));
 922                 priv->msg = NULL;
 923         }
 924
 925         /* we cannot disconnect sigs, because priv->gtkhtml is
 926          * already dead */
 927
 928         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
 929         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
 930
 931         priv->gtkhtml = NULL;
 932         priv->attachments_view = NULL;
 933
 934         G_OBJECT_CLASS(parent_class)->finalize (obj);
 935 }
 936
 937 static void
 938 modest_msg_view_destroy (GtkObject *obj)
 939 {
 940         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
 941         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
 942
 943         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
 944 }
 945
 946 GtkAdjustment *
 947 modest_msg_view_get_vadjustment (ModestMsgView *msg_view)
 948 {
 949         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 950
 951         if (!priv->vadj)
 952                 modest_msg_view_set_vadjustment (msg_view, NULL);
 953
 954         return priv->vadj;
 955
 956 }
 957
 958 GtkAdjustment *
 959 modest_msg_view_get_hadjustment (ModestMsgView *msg_view)
 960 {
 961         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 962
 963         if (!priv->hadj)
 964                 modest_msg_view_set_hadjustment (msg_view, NULL);
 965
 966         return priv->hadj;
 967
 968 }
 969
 970 void
 971 modest_msg_view_set_hadjustment (ModestMsgView *msg_view, GtkAdjustment *hadj)
 972 {
 973         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 974         gboolean value_changed;
 975
 976         if (hadj && hadj == priv->hadj)
 977                 return;
 978
 979         if (!hadj)
 980                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
 981         disconnect_hadjustment (msg_view);
 982         g_object_ref (G_OBJECT (hadj));
 983         gtk_object_sink (GTK_OBJECT (hadj));
 984         priv->hadj = hadj;
 985         set_hadjustment_values (msg_view, &value_changed);
 986
 987         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
 988                           msg_view);
 989
 990         gtk_adjustment_changed (hadj);
 991         if (value_changed)
 992                 gtk_adjustment_value_changed (hadj);
 993         else
 994                 adjustment_value_changed (hadj, msg_view);
 995
 996         g_object_notify (G_OBJECT (msg_view), "hadjustment");
 997 }
 998
 999 void
1000 modest_msg_view_set_vadjustment (ModestMsgView *msg_view, GtkAdjustment *vadj)
1001 {
1002         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1003         gboolean value_changed;
1004
1005         if (vadj && vadj == priv->vadj)
1006                 return;
1007
1008         if (!vadj)
1009                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
1010         disconnect_vadjustment (msg_view);
1011         g_object_ref (G_OBJECT (vadj));
1012         gtk_object_sink (GTK_OBJECT (vadj));
1013         priv->vadj = vadj;
1014         set_vadjustment_values (msg_view, &value_changed);
1015
1016         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1017                           msg_view);
1018
1019         gtk_adjustment_changed (vadj);
1020         if (value_changed)
1021                 gtk_adjustment_value_changed (vadj);
1022         else
1023                 adjustment_value_changed (vadj, msg_view);
1024
1025         g_object_notify (G_OBJECT (msg_view), "vadjustment");
1026 }
1027
1028 /**
1029  * modest_msg_view_set_shadow_type:
1030  * @msg_view: a #ModestMsgView.
1031  * @shadow_type: new shadow type.
1032  *
1033  * Sets a shadow type of the message view.
1034  **/
1035 void
1036 modest_msg_view_set_shadow_type (ModestMsgView *msg_view,
1037                                  GtkShadowType shadow_type)
1038 {
1039         ModestMsgViewPrivate *priv;
1040         g_return_if_fail (MODEST_IS_MSG_VIEW (msg_view));
1041
1042         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1043
1044         if (priv->shadow_type != shadow_type) {
1045                 priv->shadow_type = shadow_type;
1046
1047                 if (GTK_WIDGET_VISIBLE (msg_view)) {
1048                         gtk_widget_size_allocate (GTK_WIDGET (msg_view), &(GTK_WIDGET (msg_view)->allocation));
1049                         gtk_widget_queue_draw (GTK_WIDGET (msg_view));
1050                 }
1051                 g_object_notify (G_OBJECT (msg_view), "shadow-type");
1052         }
1053 }
1054
1055 /**
1056  * modest_msg_view_get_shadow_type:
1057  * @msg_view: a #ModestMsgView
1058  *
1059  * Gets the current shadow type of the #ModestMsgView.
1060  *
1061  * Return value: the shadow type
1062  **/
1063 GtkShadowType
1064 modest_msg_view_get_shadow_type (ModestMsgView *msg_view)
1065 {
1066         ModestMsgViewPrivate *priv;
1067         g_return_val_if_fail (MODEST_IS_MSG_VIEW (msg_view), GTK_SHADOW_NONE);
1068         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1069
1070         return priv->shadow_type;
1071 }
1072
1073 GtkWidget*
1074 modest_msg_view_new (TnyMsg *msg)
1075 {
1076         GObject *obj;
1077         ModestMsgView* self;
1078         ModestMsgViewPrivate *priv;
1079         GtkWidget *separator;
1080
1081         obj  = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
1082         self = MODEST_MSG_VIEW(obj);
1083         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1084
1085         gtk_widget_push_composite_child ();
1086         priv->headers_box = gtk_vbox_new (0, FALSE);
1087         gtk_widget_set_composite_name (priv->headers_box, "headers");
1088         gtk_widget_pop_composite_child ();
1089
1090         if (priv->mail_header_view)
1091                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
1092
1093         if (priv->attachments_view) {
1094                 priv->attachments_box = (GtkWidget *) modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1095                                                                                                  _("Attachments:"), priv->attachments_view,
1096                                                                                                  FALSE, FALSE);
1097                 gtk_widget_hide_all (priv->attachments_box);
1098 /*              gtk_widget_set_no_show_all (priv->attachments_box, TRUE); */
1099         }
1100
1101         separator = gtk_hseparator_new ();
1102         gtk_box_pack_start (GTK_BOX(priv->headers_box), separator, FALSE, FALSE, 0);
1103
1104         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (self));
1105
1106         if (priv->gtkhtml) {
1107                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->gtkhtml);
1108                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(self));
1109 #ifdef MAEMO_CHANGES
1110                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (priv->gtkhtml), NULL, NULL, 0);
1111                 g_signal_connect (G_OBJECT (priv->gtkhtml), "tap-and-hold", G_CALLBACK (on_tap_and_hold), obj);
1112 #endif
1113         }
1114
1115         modest_msg_view_set_message (self, msg);
1116
1117         return GTK_WIDGET(self);
1118 }
1119
1120 #ifdef MAEMO_CHANGES
1121 static void
1122 on_tap_and_hold (GtkWidget *widget,
1123                  gpointer data)
1124 {
1125         ModestMsgView *msg_view = (ModestMsgView *) data;
1126         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1127
1128         g_signal_emit (G_OBJECT (msg_view), signals[LINK_CONTEXTUAL_SIGNAL],
1129                        0, priv->last_url);
1130 }
1131 #endif
1132
1133 static void
1134 on_recpt_activated (ModestMailHeaderView *header_view,
1135                     const gchar *address,
1136                     ModestMsgView * view)
1137 {
1138         g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
1139 }
1140
1141 static void
1142 on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer msg_view)
1143 {
1144
1145         g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
1146                        0, mime_part);
1147 }
1148
1149 static gboolean
1150 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1151 {
1152         g_return_val_if_fail (msg_view, FALSE);
1153
1154         g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
1155                        0, uri);
1156
1157         return FALSE;
1158 }
1159
1160
1161 static gboolean
1162 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1163 {
1164         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1165
1166         g_free (priv->last_url);
1167         priv->last_url = g_strdup (uri);
1168
1169         g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
1170                        0, uri);
1171
1172         return FALSE;
1173 }
1174
1175
1176
1177 static TnyMimePart *
1178 find_cid_image (TnyMsg *msg, const gchar *cid)
1179 {
1180         TnyMimePart *part = NULL;
1181         TnyList *parts;
1182         TnyIterator *iter;
1183
1184         g_return_val_if_fail (msg, NULL);
1185         g_return_val_if_fail (cid, NULL);
1186
1187         parts  = TNY_LIST (tny_simple_list_new());
1188
1189         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1190         iter   = tny_list_create_iterator (parts);
1191
1192         while (!tny_iterator_is_done(iter)) {
1193                 const gchar *part_cid;
1194                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1195                 part_cid = tny_mime_part_get_content_id (part);
1196
1197                 if (part_cid && strcmp (cid, part_cid) == 0)
1198                         break;
1199
1200                 g_object_unref (G_OBJECT(part));
1201
1202                 part = NULL;
1203                 tny_iterator_next (iter);
1204         }
1205
1206         g_object_unref (G_OBJECT(iter));
1207         g_object_unref (G_OBJECT(parts));
1208
1209         return part;
1210 }
1211
1212
1213 static gboolean
1214 on_url_requested (GtkWidget *widget, const gchar *uri,
1215                   GtkHTMLStream *stream, ModestMsgView *msg_view)
1216 {
1217         ModestMsgViewPrivate *priv;
1218         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1219
1220         if (g_str_has_prefix (uri, "cid:")) {
1221                 /* +4 ==> skip "cid:" */
1222                 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
1223                 if (!part) {
1224                         g_printerr ("modest: '%s' not found\n", uri + 4);
1225                         gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
1226                 } else {
1227                         TnyStream *tny_stream =
1228                                 TNY_STREAM(modest_tny_stream_gtkhtml_new(stream));
1229                         tny_mime_part_decode_to_stream ((TnyMimePart*)part,
1230                                                                   tny_stream);
1231                         gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
1232
1233                         g_object_unref (G_OBJECT(tny_stream));
1234                         g_object_unref (G_OBJECT(part));
1235                 }
1236         }
1237
1238         return TRUE;
1239 }
1240
1241 static gboolean
1242 set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1243 {
1244         GtkHTMLStream *gtkhtml_stream;
1245         TnyStream *tny_stream;
1246         ModestMsgViewPrivate *priv;
1247
1248         g_return_val_if_fail (self, FALSE);
1249         g_return_val_if_fail (tny_body, FALSE);
1250
1251         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1252
1253         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1254
1255         tny_stream     = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1256         tny_stream_reset (tny_stream);
1257
1258         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, tny_stream);
1259         g_object_unref (G_OBJECT(tny_stream));
1260
1261         gtk_html_stream_destroy (gtkhtml_stream);
1262
1263         return TRUE;
1264 }
1265
1266
1267 /* FIXME: this is a hack --> we use the tny_text_buffer_stream to
1268  * get the message text, then write to gtkhtml 'by hand' */
1269 static gboolean
1270 set_text_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1271 {
1272         GtkTextBuffer *buf;
1273         GtkTextIter begin, end;
1274         TnyStream* txt_stream, *tny_stream;
1275         GtkHTMLStream *gtkhtml_stream;
1276         gchar *txt;
1277         ModestMsgViewPrivate *priv;
1278
1279         g_return_val_if_fail (self, FALSE);
1280         g_return_val_if_fail (tny_body, FALSE);
1281
1282         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
1283
1284         buf            = gtk_text_buffer_new (NULL);
1285         txt_stream     = TNY_STREAM(tny_gtk_text_buffer_stream_new (buf));
1286
1287         tny_stream_reset (txt_stream);
1288
1289         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1290         tny_stream =  TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1291
1292         // FIXME: tinymail
1293         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, txt_stream);
1294         tny_stream_reset (txt_stream);
1295
1296         gtk_text_buffer_get_bounds (buf, &begin, &end);
1297         txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
1298         if (txt) {
1299                 gchar *html = modest_text_utils_convert_to_html (txt);
1300                 tny_stream_write (tny_stream, html, strlen(html));
1301                 tny_stream_reset (tny_stream);
1302                 g_free (txt);
1303                 g_free (html);
1304         }
1305
1306         g_object_unref (G_OBJECT(tny_stream));
1307         g_object_unref (G_OBJECT(txt_stream));
1308         g_object_unref (G_OBJECT(buf));
1309
1310         gtk_html_stream_destroy (gtkhtml_stream);
1311
1312         return TRUE;
1313 }
1314
1315
1316 static gboolean
1317 set_empty_message (ModestMsgView *self)
1318 {
1319         ModestMsgViewPrivate *priv;
1320
1321         g_return_val_if_fail (self, FALSE);
1322         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
1323
1324         gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
1325                                    "", 1);
1326
1327         return TRUE;
1328 }
1329
1330
1331 void
1332 modest_msg_view_set_message (ModestMsgView *self, TnyMsg *msg)
1333 {
1334         TnyMimePart *body;
1335         ModestMsgViewPrivate *priv;
1336         TnyHeader *header;
1337
1338         g_return_if_fail (self);
1339
1340         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1341         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1342
1343         if (msg != priv->msg) {
1344                 if (priv->msg)
1345                         g_object_unref (G_OBJECT(priv->msg));
1346                 if (msg)
1347                         g_object_ref   (G_OBJECT(msg));
1348                 priv->msg = msg;
1349         }
1350
1351         if (!msg) {
1352                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1353                 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1354                 gtk_widget_hide_all (priv->mail_header_view);
1355                 gtk_widget_hide_all (priv->attachments_box);
1356                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1357                 set_empty_message (self);
1358                 gtk_widget_queue_resize (GTK_WIDGET(self));
1359                 gtk_widget_queue_draw (GTK_WIDGET(self));
1360                 return;
1361         }
1362
1363         header = tny_msg_get_header (msg);
1364         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1365         g_object_unref (header);
1366
1367         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1368                                              msg);
1369
1370         body = modest_tny_msg_find_body_part (msg,TRUE);
1371         if (body) {
1372                 GList *att_children;
1373                 if (tny_mime_part_content_type_is (body, "text/html"))
1374                         set_html_message (self, body, msg);
1375                 else
1376                         set_text_message (self, body, msg);
1377
1378                 att_children = gtk_container_get_children (GTK_CONTAINER (priv->attachments_view));
1379                 if (att_children != NULL) {
1380                         gtk_widget_show_all (priv->attachments_box);
1381                         g_list_free (att_children);
1382                 } else {
1383                         gtk_widget_hide_all (priv->attachments_box);
1384                 }
1385
1386 /*              g_print ("---\nfilename %s\ncontent_location %s\ncontent_id%s\ncontent_type%s\n", */
1387 /*                       tny_mime_part_get_filename (body), */
1388 /*                       tny_mime_part_get_content_location (body), */
1389 /*                       tny_mime_part_get_content_id (body), */
1390 /*                       tny_mime_part_get_content_type (body)); */
1391
1392         } else
1393                 set_empty_message (self);
1394
1395         gtk_widget_show (priv->gtkhtml);
1396         gtk_widget_set_no_show_all (priv->attachments_box, TRUE);
1397         gtk_widget_show_all (priv->mail_header_view);
1398         gtk_widget_set_no_show_all (priv->attachments_box, FALSE);
1399 /*      gtk_widget_show_all (priv->attachments_box); */
1400 /*      gtk_widget_show_all (priv->attachments_box); */
1401         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1402         gtk_widget_queue_resize (GTK_WIDGET(self));
1403         gtk_widget_queue_draw (GTK_WIDGET(self));
1404
1405         if (priv->hadj != NULL)
1406                 priv->hadj->value = 0.0;
1407         if (priv->vadj != NULL)
1408                 priv->vadj->value = 0.0;
1409
1410 }
1411
1412
1413 TnyMsg*
1414 modest_msg_view_get_message (ModestMsgView *self)
1415 {
1416         TnyMsg *msg;
1417
1418         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), NULL);
1419
1420         msg = MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;
1421
1422         if (msg)
1423                 g_object_ref (msg);
1424
1425         return msg;
1426 }
1427
1428 gboolean
1429 modest_msg_view_search (ModestMsgView *self, const gchar *search)
1430 {
1431         ModestMsgViewPrivate *priv;
1432         gboolean result;
1433         GtkAdjustment *vadj, *tmp_vadj;
1434         gdouble y_offset;
1435
1436         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), FALSE);
1437
1438         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1439         vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (priv->gtkhtml));
1440         g_object_ref (vadj);
1441         tmp_vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, vadj->lower, vadj->upper, vadj->step_increment, 32.0, 32.0));
1442         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->gtkhtml), tmp_vadj);
1443         result = gtk_html_engine_search (GTK_HTML (priv->gtkhtml),
1444                                          search,
1445                                          FALSE, TRUE, TRUE);
1446         y_offset = tmp_vadj->value;
1447         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->gtkhtml), vadj);
1448         g_object_unref (vadj);
1449
1450         return result;
1451 }
1452
1453 gboolean
1454 modest_msg_view_search_next (ModestMsgView *self)
1455 {
1456         ModestMsgViewPrivate *priv;
1457         gboolean result;
1458
1459         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), FALSE);
1460
1461         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1462         result = gtk_html_engine_search_next (GTK_HTML (priv->gtkhtml));
1463
1464 /*
1465         {
1466                 GtkAdjustment *adj;
1467
1468                 adj = gtk_container_get_focus_vadjustment (GTK_CONTAINER (priv->gtkhtml));
1469         }
1470 */
1471
1472         return result;
1473 }
1474
1475 void
1476 modest_msg_view_set_zoom (ModestMsgView *self, gdouble zoom)
1477 {
1478         ModestMsgViewPrivate *priv;
1479
1480         g_return_if_fail (MODEST_IS_MSG_VIEW (self));
1481
1482         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1483         priv->current_zoom = zoom;
1484         gtk_html_set_magnification (GTK_HTML(priv->gtkhtml), zoom);
1485
1486         gtk_widget_queue_resize (priv->gtkhtml);
1487 }
1488
1489 gdouble
1490 modest_msg_view_get_zoom (ModestMsgView *self)
1491 {
1492         ModestMsgViewPrivate *priv;
1493
1494         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), 1.0);
1495
1496         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1497
1498         return priv->current_zoom;
1499 }
1500
1501 TnyHeaderFlags
1502 modest_msg_view_get_priority (ModestMsgView *self)
1503 {
1504         ModestMsgViewPrivate *priv;
1505
1506         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), 0);
1507
1508         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1509
1510         return priv->priority_flags;
1511 }
1512
1513 void
1514 modest_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags)
1515 {
1516         ModestMsgViewPrivate *priv;
1517
1518         g_return_if_fail (MODEST_IS_MSG_VIEW (self));
1519
1520         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1521
1522         priv->priority_flags = flags & (TNY_HEADER_FLAG_HIGH_PRIORITY);
1523
1524         modest_mail_header_view_set_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), flags);
1525 }
1526
1527 GList *
1528 modest_msg_view_get_selected_attachments (ModestMsgView *self)
1529 {
1530         ModestMsgViewPrivate *priv;
1531
1532         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), NULL);
1533         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1534
1535         return modest_attachments_view_get_selection (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
1536
1537 }
1538
1539 void
1540 modest_msg_view_grab_focus (ModestMsgView *view)
1541 {
1542         ModestMsgViewPrivate *priv = NULL;
1543
1544         g_return_if_fail (MODEST_IS_MSG_VIEW (view));
1545         priv = MODEST_MSG_VIEW_GET_PRIVATE (view);
1546
1547         gtk_widget_grab_focus (priv->gtkhtml);
1548 }