libempathy-gtk/empathy-theme-adium.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2008-2009 Collabora Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Xavier Claessens <xclaesse@gmail.com>
  20  */
  21
  22 #include "config.h"
  23
  24 #include <string.h>
  25 #include <glib/gi18n.h>
  26
  27 #include <webkit/webkitnetworkrequest.h>
  28 #include <telepathy-glib/dbus.h>
  29 #include <telepathy-glib/util.h>
  30
  31
  32 #include <libempathy/empathy-time.h>
  33 #include <libempathy/empathy-utils.h>
  34 #include <libmissioncontrol/mc-profile.h>
  35
  36 #include "empathy-theme-adium.h"
  37 #include "empathy-smiley-manager.h"
  38 #include "empathy-conf.h"
  39 #include "empathy-ui-utils.h"
  40 #include "empathy-plist.h"
  41
  42 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  43 #include <libempathy/empathy-debug.h>
  44
  45 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyThemeAdium)
  46
  47 /* "Join" consecutive messages with timestamps within five minutes */
  48 #define MESSAGE_JOIN_PERIOD 5*60
  49
  50 typedef struct {
  51         EmpathyAdiumData     *data;
  52         EmpathySmileyManager *smiley_manager;
  53         EmpathyContact       *last_contact;
  54         time_t                last_timestamp;
  55         gboolean              last_is_backlog;
  56         gboolean              page_loaded;
  57         GList                *message_queue;
  58         gchar                *hovered_uri;
  59 } EmpathyThemeAdiumPriv;
  60
  61 struct _EmpathyAdiumData {
  62         guint  ref_count;
  63         gchar *path;
  64         gchar *basedir;
  65         gchar *default_avatar_filename;
  66         gchar *default_incoming_avatar_filename;
  67         gchar *default_outgoing_avatar_filename;
  68         gchar *template_html;
  69         gchar *in_content_html;
  70         gsize  in_content_len;
  71         gchar *in_context_html;
  72         gsize  in_context_len;
  73         gchar *in_nextcontent_html;
  74         gsize  in_nextcontent_len;
  75         gchar *in_nextcontext_html;
  76         gsize  in_nextcontext_len;
  77         gchar *out_content_html;
  78         gsize  out_content_len;
  79         gchar *out_context_html;
  80         gsize  out_context_len;
  81         gchar *out_nextcontent_html;
  82         gsize  out_nextcontent_len;
  83         gchar *out_nextcontext_html;
  84         gsize  out_nextcontext_len;
  85         gchar *status_html;
  86         gsize  status_len;
  87         GHashTable *info;
  88 };
  89
  90 static void theme_adium_iface_init (EmpathyChatViewIface *iface);
  91
  92 enum {
  93         PROP_0,
  94         PROP_ADIUM_DATA,
  95 };
  96
  97 G_DEFINE_TYPE_WITH_CODE (EmpathyThemeAdium, empathy_theme_adium,
  98                          WEBKIT_TYPE_WEB_VIEW,
  99                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW,
 100                                                 theme_adium_iface_init));
 101
 102 static WebKitNavigationResponse
 103 theme_adium_navigation_requested_cb (WebKitWebView        *view,
 104                                      WebKitWebFrame       *frame,
 105                                      WebKitNetworkRequest *request,
 106                                      gpointer              user_data)
 107 {
 108         const gchar *uri;
 109
 110         uri = webkit_network_request_get_uri (request);
 111         empathy_url_show (GTK_WIDGET (view), uri);
 112
 113         return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 114 }
 115
 116 static void
 117 theme_adium_hovering_over_link_cb (EmpathyThemeAdium *theme,
 118                                    gchar             *title,
 119                                    gchar             *uri,
 120                                    gpointer           user_data)
 121 {
 122         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 123
 124         if (tp_strdiff (uri, priv->hovered_uri)) {
 125                 g_free (priv->hovered_uri);
 126                 priv->hovered_uri = g_strdup (uri);
 127         }
 128 }
 129
 130 static void
 131 theme_adium_copy_address_cb (GtkMenuItem *menuitem,
 132                              gpointer     user_data)
 133 {
 134         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (user_data);
 135         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 136         GtkClipboard          *clipboard;
 137
 138         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
 139         gtk_clipboard_set_text (clipboard, priv->hovered_uri, -1);
 140
 141         clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
 142         gtk_clipboard_set_text (clipboard, priv->hovered_uri, -1);
 143 }
 144
 145 static void
 146 theme_adium_open_address_cb (GtkMenuItem *menuitem,
 147                              gpointer     user_data)
 148 {
 149         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (user_data);
 150         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 151
 152         empathy_url_show (GTK_WIDGET (menuitem), priv->hovered_uri);
 153 }
 154
 155 static void
 156 theme_adium_populate_popup_cb (WebKitWebView *view,
 157                                GtkMenu       *menu,
 158                                gpointer       user_data)
 159 {
 160         GtkWidget *item;
 161         GList     *items;
 162         GtkWidget *icon;
 163         gchar     *stock_id;
 164         gboolean   is_link = FALSE;
 165
 166         /* FIXME: WebKitGTK+'s context menu API clearly needs an
 167          * overhaul.  There is currently no way to know what is being
 168          * clicked, to decide what features to provide. You either
 169          * take what it gives you as a menu, or use hacks to figure
 170          * out what to display. */
 171         items = gtk_container_get_children (GTK_CONTAINER (menu));
 172         item = GTK_WIDGET (g_list_nth_data (items, 0));
 173         g_list_free (items);
 174
 175         if (GTK_IS_IMAGE_MENU_ITEM (item)) {
 176                 icon = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (item));
 177                 gtk_image_get_stock (GTK_IMAGE (icon), &stock_id, NULL);
 178
 179                 if (!strcmp (stock_id, GTK_STOCK_OPEN))
 180                         is_link = TRUE;
 181         }
 182
 183         /* Remove default menu items */
 184         gtk_container_foreach (GTK_CONTAINER (menu),
 185                 (GtkCallback) gtk_widget_destroy, NULL);
 186
 187         /* Select all item */
 188         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
 189         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 190         gtk_widget_show (item);
 191
 192         g_signal_connect_swapped (item, "activate",
 193                                   G_CALLBACK (webkit_web_view_select_all),
 194                                   view);
 195
 196         /* Copy menu item */
 197         if (webkit_web_view_can_copy_clipboard (view)) {
 198                 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
 199                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 200                 gtk_widget_show (item);
 201
 202                 g_signal_connect_swapped (item, "activate",
 203                                           G_CALLBACK (webkit_web_view_copy_clipboard),
 204                                           view);
 205         }
 206
 207         /* Clear menu item */
 208         item = gtk_separator_menu_item_new ();
 209         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 210         gtk_widget_show (item);
 211
 212         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
 213         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 214         gtk_widget_show (item);
 215
 216         g_signal_connect_swapped (item, "activate",
 217                                   G_CALLBACK (empathy_chat_view_clear),
 218                                   view);
 219
 220         /* We will only add the following menu items if we are
 221          * right-clicking a link */
 222         if (!is_link)
 223                 return;
 224
 225         /* Separator */
 226         item = gtk_separator_menu_item_new ();
 227         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 228         gtk_widget_show (item);
 229
 230         /* Copy Link Address menu item */
 231         item = gtk_menu_item_new_with_mnemonic (_("_Copy Link Address"));
 232         g_signal_connect (item, "activate",
 233                           G_CALLBACK (theme_adium_copy_address_cb),
 234                           view);
 235         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 236         gtk_widget_show (item);
 237
 238         /* Open Link menu item */
 239         item = gtk_menu_item_new_with_mnemonic (_("_Open Link"));
 240         g_signal_connect (item, "activate",
 241                           G_CALLBACK (theme_adium_open_address_cb),
 242                           view);
 243         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 244         gtk_widget_show (item);
 245 }
 246
 247 static gchar *
 248 theme_adium_parse_body (EmpathyThemeAdium *theme,
 249                         const gchar       *text)
 250 {
 251         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 252         gboolean               use_smileys = FALSE;
 253         GSList                *smileys, *l;
 254         GString               *string;
 255         gint                   i;
 256         GRegex                *uri_regex;
 257         GMatchInfo            *match_info;
 258         gboolean               match;
 259         gchar                 *ret = NULL;
 260         gint                   prev;
 261
 262         empathy_conf_get_bool (empathy_conf_get (),
 263                                EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
 264                                &use_smileys);
 265
 266         if (use_smileys) {
 267                 /* Replace smileys by a <img/> tag */
 268                 string = g_string_sized_new (strlen (text));
 269                 smileys = empathy_smiley_manager_parse (priv->smiley_manager, text);
 270                 for (l = smileys; l; l = l->next) {
 271                         EmpathySmiley *smiley;
 272
 273                         smiley = l->data;
 274                         if (smiley->path) {
 275                                 g_string_append_printf (string,
 276                                                         "<abbr title='%s'><img src=\"%s\"/ alt=\"%s\"/></abbr>",
 277                                                         smiley->str, smiley->path, smiley->str);
 278                         } else {
 279                                 gchar *str;
 280
 281                                 str = g_markup_escape_text (smiley->str, -1);
 282                                 g_string_append (string, str);
 283                                 g_free (str);
 284                         }
 285                         empathy_smiley_free (smiley);
 286                 }
 287                 g_slist_free (smileys);
 288
 289                 g_free (ret);
 290                 text = ret = g_string_free (string, FALSE);
 291         }
 292
 293         /* Add <a href></a> arround links */
 294         uri_regex = empathy_uri_regex_dup_singleton ();
 295         match = g_regex_match (uri_regex, text, 0, &match_info);
 296         if (match) {
 297                 gint last = 0;
 298                 gint s = 0, e = 0;
 299
 300                 string = g_string_sized_new (strlen (text));
 301                 do {
 302                         g_match_info_fetch_pos (match_info, 0, &s, &e);
 303
 304                         if (s > last) {
 305                                 /* Append the text between last link (or the
 306                                  * start of the message) and this link */
 307                                 g_string_append_len (string, text + last, s - last);
 308                         }
 309
 310                         /* Append the link inside <a href=""></a> tag */
 311                         g_string_append (string, "<a href=\"");
 312                         g_string_append_len (string, text + s, e - s);
 313                         g_string_append (string, "\">");
 314                         g_string_append_len (string, text + s, e - s);
 315                         g_string_append (string, "</a>");
 316
 317                         last = e;
 318                 } while (g_match_info_next (match_info, NULL));
 319
 320                 if (e < strlen (text)) {
 321                         /* Append the text after the last link */
 322                         g_string_append_len (string, text + e, strlen (text) - e);
 323                 }
 324
 325                 g_free (ret);
 326                 text = ret = g_string_free (string, FALSE);
 327         }
 328         g_match_info_free (match_info);
 329         g_regex_unref (uri_regex);
 330
 331         /* Replace \n by <br/> */
 332         string = NULL;
 333         prev = 0;
 334         for (i = 0; text[i] != '\0'; i++) {
 335                 if (text[i] == '\n') {
 336                         if (!string ) {
 337                                 string = g_string_sized_new (strlen (text));
 338                         }
 339                         g_string_append_len (string, text + prev, i - prev);
 340                         g_string_append (string, "<br/>");
 341                         prev = i + 1;
 342                 }
 343         }
 344         if (string) {
 345                 g_string_append (string, text + prev);
 346                 g_free (ret);
 347                 text = ret = g_string_free (string, FALSE);
 348         }
 349
 350         return ret;
 351 }
 352
 353 static void
 354 escape_and_append_len (GString *string, const gchar *str, gint len)
 355 {
 356         while (*str != '\0' && len != 0) {
 357                 switch (*str) {
 358                 case '\\':
 359                         /* \ becomes \\ */
 360                         g_string_append (string, "\\\\");
 361                         break;
 362                 case '\"':
 363                         /* " becomes \" */
 364                         g_string_append (string, "\\\"");
 365                         break;
 366                 case '\n':
 367                         /* Remove end of lines */
 368                         break;
 369                 default:
 370                         g_string_append_c (string, *str);
 371                 }
 372
 373                 str++;
 374                 len--;
 375         }
 376 }
 377
 378 static gboolean
 379 theme_adium_match (const gchar **str, const gchar *match)
 380 {
 381         gint len;
 382
 383         len = strlen (match);
 384         if (strncmp (*str, match, len) == 0) {
 385                 *str += len - 1;
 386                 return TRUE;
 387         }
 388
 389         return FALSE;
 390 }
 391
 392 static void
 393 theme_adium_append_html (EmpathyThemeAdium *theme,
 394                          const gchar       *func,
 395                          const gchar       *html, gsize len,
 396                          const gchar       *message,
 397                          const gchar       *avatar_filename,
 398                          const gchar       *name,
 399                          const gchar       *contact_id,
 400                          const gchar       *service_name,
 401                          const gchar       *message_classes,
 402                          time_t             timestamp)
 403 {
 404         GString     *string;
 405         const gchar *cur = NULL;
 406         gchar       *script;
 407
 408         /* Make some search-and-replace in the html code */
 409         string = g_string_sized_new (len + strlen (message));
 410         g_string_append_printf (string, "%s(\"", func);
 411         for (cur = html; *cur != '\0'; cur++) {
 412                 const gchar *replace = NULL;
 413                 gchar       *dup_replace = NULL;
 414
 415                 if (theme_adium_match (&cur, "%message%")) {
 416                         replace = message;
 417                 } else if (theme_adium_match (&cur, "%messageClasses%")) {
 418                         replace = message_classes;
 419                 } else if (theme_adium_match (&cur, "%userIconPath%")) {
 420                         replace = avatar_filename;
 421                 } else if (theme_adium_match (&cur, "%sender%")) {
 422                         replace = name;
 423                 } else if (theme_adium_match (&cur, "%senderScreenName%")) {
 424                         replace = contact_id;
 425                 } else if (theme_adium_match (&cur, "%senderDisplayName%")) {
 426                         /* %senderDisplayName% -
 427                          * "The serverside (remotely set) name of the sender,
 428                          *  such as an MSN display name."
 429                          *
 430                          * We don't have access to that yet so we use local
 431                          * alias instead.*/
 432                         replace = name;
 433                 } else if (theme_adium_match (&cur, "%service%")) {
 434                         replace = service_name;
 435                 } else if (theme_adium_match (&cur, "%shortTime%")) {
 436                         dup_replace = empathy_time_to_string_local (timestamp,
 437                                 EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 438                         replace = dup_replace;
 439                 } else if (theme_adium_match (&cur, "%time")) {
 440                         gchar *format = NULL;
 441                         gchar *end;
 442
 443                         /* Time can be in 2 formats:
 444                          * %time% or %time{strftime format}%
 445                          * Extract the time format if provided. */
 446                         if (cur[1] == '{') {
 447                                 cur += 2;
 448                                 end = strstr (cur, "}%");
 449                                 if (!end) {
 450                                         /* Invalid string */
 451                                         continue;
 452                                 }
 453                                 format = g_strndup (cur, end - cur);
 454                                 cur = end + 1;
 455                         } else {
 456                                 cur++;
 457                         }
 458
 459                         dup_replace = empathy_time_to_string_local (timestamp,
 460                                 format ? format : EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 461                         replace = dup_replace;
 462                         g_free (format);
 463                 } else {
 464                         escape_and_append_len (string, cur, 1);
 465                         continue;
 466                 }
 467
 468                 /* Here we have a replacement to make */
 469                 escape_and_append_len (string, replace, -1);
 470                 g_free (dup_replace);
 471         }
 472         g_string_append (string, "\")");
 473
 474         script = g_string_free (string, FALSE);
 475         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (theme), script);
 476         g_free (script);
 477 }
 478
 479 static void
 480 theme_adium_append_message (EmpathyChatView *view,
 481                             EmpathyMessage  *msg)
 482 {
 483         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 484         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 485         EmpathyContact        *sender;
 486         EmpathyAccount        *account;
 487         McProfile             *account_profile;
 488         gchar                 *dup_body = NULL;
 489         const gchar           *body;
 490         const gchar           *name;
 491         const gchar           *contact_id;
 492         EmpathyAvatar         *avatar;
 493         const gchar           *avatar_filename = NULL;
 494         time_t                 timestamp;
 495         gchar                 *html = NULL;
 496         gsize                  len = 0;
 497         const gchar           *func;
 498         const gchar           *service_name;
 499         GString               *message_classes = NULL;
 500         gboolean              is_backlog;
 501
 502         if (!priv->page_loaded) {
 503                 priv->message_queue = g_list_prepend (priv->message_queue,
 504                                                       g_object_ref (msg));
 505                 return;
 506         }
 507
 508         /* Get information */
 509         sender = empathy_message_get_sender (msg);
 510         account = empathy_contact_get_account (sender);
 511         account_profile = empathy_account_get_profile (account);
 512         service_name = mc_profile_get_display_name (account_profile);
 513         timestamp = empathy_message_get_timestamp (msg);
 514         body = empathy_message_get_body (msg);
 515         dup_body = theme_adium_parse_body (theme, body);
 516         if (dup_body) {
 517                 body = dup_body;
 518         }
 519         name = empathy_contact_get_name (sender);
 520         contact_id = empathy_contact_get_id (sender);
 521
 522         /* If this is a /me, append an event */
 523         if (empathy_message_get_tptype (msg) == TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION) {
 524                 gchar *str;
 525
 526                 str = g_strdup_printf ("%s %s", name, body);
 527                 empathy_chat_view_append_event (view, str);
 528                 g_free (str);
 529                 g_free (dup_body);
 530                 return;
 531         }
 532
 533         /* Get the avatar filename, or a fallback */
 534         avatar = empathy_contact_get_avatar (sender);
 535         if (avatar) {
 536                 avatar_filename = avatar->filename;
 537         }
 538         if (!avatar_filename) {
 539                 if (empathy_contact_is_user (sender)) {
 540                         avatar_filename = priv->data->default_outgoing_avatar_filename;
 541                 } else {
 542                         avatar_filename = priv->data->default_incoming_avatar_filename;
 543                 }
 544                 if (!avatar_filename) {
 545                         if (!priv->data->default_avatar_filename) {
 546                                 priv->data->default_avatar_filename =
 547                                         empathy_filename_from_icon_name ("stock_person",
 548                                                                          GTK_ICON_SIZE_DIALOG);
 549                         }
 550                         avatar_filename = priv->data->default_avatar_filename;
 551                 }
 552         }
 553
 554         is_backlog = empathy_message_is_backlog (msg);
 555
 556         /* Get the right html/func to add the message */
 557         func = "appendMessage";
 558
 559         message_classes = g_string_new ("message");
 560
 561         /* eventually append the "history" class */
 562         if (is_backlog) {
 563                 g_string_append (message_classes, " history");
 564         }
 565
 566         /* check the sender of the message and append the appropriate class */
 567         if (empathy_contact_is_user (sender)) {
 568                 g_string_append (message_classes, " outgoing");
 569         }
 570         else {
 571                 g_string_append (message_classes, " incoming");
 572         }
 573
 574         /*
 575          * To mimick Adium's behavior, we only want to join messages
 576          * sent by the same contact within a 5 minute time frame.
 577          */
 578         if (empathy_contact_equal (priv->last_contact, sender) &&
 579             (timestamp - priv->last_timestamp < MESSAGE_JOIN_PERIOD) &&
 580             (is_backlog == priv->last_is_backlog)) {
 581                 /* the messages can be appended */
 582                 func = "appendNextMessage";
 583                 g_string_append (message_classes, " consecutive");
 584
 585                 /* check who is the sender of the message to use the correct html file */
 586                 if (empathy_contact_is_user (sender)) {
 587                         /* check if this is a backlog message and use NextContext.html */
 588                         if (is_backlog) {
 589                                 html = priv->data->out_nextcontext_html;
 590                                 len = priv->data->out_nextcontext_len;
 591                         }
 592
 593                         /*
 594                          * html is null if this is not a backlog message or
 595                          * if we have to fallback (NextContext.html missing).
 596                          * use NextContent.html
 597                          */
 598                         if (html == NULL) {
 599                                 html = priv->data->out_nextcontent_html;
 600                                 len = priv->data->out_nextcontent_len;
 601                         }
 602                 }
 603                 else {
 604                         if (is_backlog) {
 605                                 html = priv->data->in_nextcontext_html;
 606                                 len = priv->data->in_nextcontext_len;
 607                         }
 608
 609                         if (html == NULL) {
 610                                 html = priv->data->in_nextcontent_html;
 611                                 len = priv->data->in_nextcontent_len;
 612                         }
 613                 }
 614         }
 615
 616         /*
 617          * we have html == NULL here if:
 618          * 1. the message didn't have to be appended because
 619          *    the sender was different or the timestamp was too far
 620          * 2. NextContent.html file does not exist, so we must
 621          *    not forget to fallback to the correct Content.html
 622          */
 623         if (html == NULL) {
 624                 if (empathy_contact_is_user (sender)) {
 625                         if (is_backlog) {
 626                                 html = priv->data->out_context_html;
 627                                 len = priv->data->out_context_len;
 628                         }
 629
 630                         if (html == NULL) {
 631                                 html = priv->data->out_content_html;
 632                                 len = priv->data->out_content_len;
 633                         }
 634                 }
 635                 else {
 636                         if (is_backlog) {
 637                                 html = priv->data->in_context_html;
 638                                 len = priv->data->in_context_len;
 639                         }
 640
 641                         if (html == NULL) {
 642                                 html = priv->data->in_content_html;
 643                                 len = priv->data->in_content_len;
 644                         }
 645                 }
 646         }
 647
 648         theme_adium_append_html (theme, func, html, len, body, avatar_filename,
 649                                  name, contact_id, service_name, message_classes->str,
 650                                  timestamp);
 651
 652         /* Keep the sender of the last displayed message */
 653         if (priv->last_contact) {
 654                 g_object_unref (priv->last_contact);
 655         }
 656         priv->last_contact = g_object_ref (sender);
 657         priv->last_timestamp = timestamp;
 658         priv->last_is_backlog = is_backlog;
 659
 660         g_free (dup_body);
 661         g_string_free (message_classes, TRUE);
 662 }
 663
 664 static void
 665 theme_adium_append_event (EmpathyChatView *view,
 666                           const gchar     *str)
 667 {
 668         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 669         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 670
 671         if (priv->data->status_html) {
 672                 theme_adium_append_html (theme, "appendMessage",
 673                                          priv->data->status_html,
 674                                          priv->data->status_len,
 675                                          str, NULL, NULL, NULL, NULL, "event",
 676                                          empathy_time_get_current ());
 677         }
 678
 679         /* There is no last contact */
 680         if (priv->last_contact) {
 681                 g_object_unref (priv->last_contact);
 682                 priv->last_contact = NULL;
 683         }
 684 }
 685
 686 static void
 687 theme_adium_scroll (EmpathyChatView *view,
 688                     gboolean         allow_scrolling)
 689 {
 690         /* FIXME: Is it possible? I guess we need a js function, but I don't
 691          * see any... */
 692 }
 693
 694 static void
 695 theme_adium_scroll_down (EmpathyChatView *view)
 696 {
 697         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (view), "scrollToBottom()");
 698 }
 699
 700 static gboolean
 701 theme_adium_get_has_selection (EmpathyChatView *view)
 702 {
 703         return webkit_web_view_has_selection (WEBKIT_WEB_VIEW (view));
 704 }
 705
 706 static void
 707 theme_adium_clear (EmpathyChatView *view)
 708 {
 709         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 710         gchar *basedir_uri;
 711
 712         priv->page_loaded = FALSE;
 713         basedir_uri = g_strconcat ("file://", priv->data->basedir, NULL);
 714         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (view),
 715                                           priv->data->template_html,
 716                                           basedir_uri);
 717         g_free (basedir_uri);
 718
 719         /* Clear last contact to avoid trying to add a 'joined'
 720          * message when we don't have an insertion point. */
 721         if (priv->last_contact) {
 722                 g_object_unref (priv->last_contact);
 723                 priv->last_contact = NULL;
 724         }
 725 }
 726
 727 static gboolean
 728 theme_adium_find_previous (EmpathyChatView *view,
 729                            const gchar     *search_criteria,
 730                            gboolean         new_search)
 731 {
 732         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 733                                             search_criteria, FALSE,
 734                                             FALSE, TRUE);
 735 }
 736
 737 static gboolean
 738 theme_adium_find_next (EmpathyChatView *view,
 739                        const gchar     *search_criteria,
 740                        gboolean         new_search)
 741 {
 742         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 743                                             search_criteria, FALSE,
 744                                             TRUE, TRUE);
 745 }
 746
 747 static void
 748 theme_adium_find_abilities (EmpathyChatView *view,
 749                             const gchar    *search_criteria,
 750                             gboolean       *can_do_previous,
 751                             gboolean       *can_do_next)
 752 {
 753         /* FIXME: Does webkit provide an API for that? We have wrap=true in
 754          * find_next and find_previous to work around this problem. */
 755         if (can_do_previous)
 756                 *can_do_previous = TRUE;
 757         if (can_do_next)
 758                 *can_do_next = TRUE;
 759 }
 760
 761 static void
 762 theme_adium_highlight (EmpathyChatView *view,
 763                        const gchar     *text)
 764 {
 765         webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
 766         webkit_web_view_mark_text_matches (WEBKIT_WEB_VIEW (view),
 767                                            text, FALSE, 0);
 768         webkit_web_view_set_highlight_text_matches (WEBKIT_WEB_VIEW (view),
 769                                                     TRUE);
 770 }
 771
 772 static void
 773 theme_adium_copy_clipboard (EmpathyChatView *view)
 774 {
 775         webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
 776 }
 777
 778 static void
 779 theme_adium_iface_init (EmpathyChatViewIface *iface)
 780 {
 781         iface->append_message = theme_adium_append_message;
 782         iface->append_event = theme_adium_append_event;
 783         iface->scroll = theme_adium_scroll;
 784         iface->scroll_down = theme_adium_scroll_down;
 785         iface->get_has_selection = theme_adium_get_has_selection;
 786         iface->clear = theme_adium_clear;
 787         iface->find_previous = theme_adium_find_previous;
 788         iface->find_next = theme_adium_find_next;
 789         iface->find_abilities = theme_adium_find_abilities;
 790         iface->highlight = theme_adium_highlight;
 791         iface->copy_clipboard = theme_adium_copy_clipboard;
 792 }
 793
 794 static void
 795 theme_adium_load_finished_cb (WebKitWebView  *view,
 796                               WebKitWebFrame *frame,
 797                               gpointer        user_data)
 798 {
 799         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 800         EmpathyChatView       *chat_view = EMPATHY_CHAT_VIEW (view);
 801
 802         DEBUG ("Page loaded");
 803         priv->page_loaded = TRUE;
 804
 805         /* Display queued messages */
 806         priv->message_queue = g_list_reverse (priv->message_queue);
 807         while (priv->message_queue) {
 808                 EmpathyMessage *message = priv->message_queue->data;
 809
 810                 theme_adium_append_message (chat_view, message);
 811                 priv->message_queue = g_list_remove (priv->message_queue, message);
 812                 g_object_unref (message);
 813         }
 814 }
 815
 816 static void
 817 theme_adium_finalize (GObject *object)
 818 {
 819         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 820
 821         empathy_adium_data_unref (priv->data);
 822         g_free (priv->hovered_uri);
 823
 824         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->finalize (object);
 825 }
 826
 827 static void
 828 theme_adium_dispose (GObject *object)
 829 {
 830         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 831
 832         if (priv->smiley_manager) {
 833                 g_object_unref (priv->smiley_manager);
 834                 priv->smiley_manager = NULL;
 835         }
 836
 837         if (priv->last_contact) {
 838                 g_object_unref (priv->last_contact);
 839                 priv->last_contact = NULL;
 840         }
 841
 842         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->dispose (object);
 843 }
 844
 845 static void
 846 theme_adium_constructed (GObject *object)
 847 {
 848         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 849         gchar                 *basedir_uri;
 850         const gchar           *font_family = NULL;
 851         gint                   font_size = 0;
 852         WebKitWebSettings     *webkit_settings;
 853
 854         /* Set default settings */
 855         font_family = tp_asv_get_string (priv->data->info, "DefaultFontFamily");
 856         font_size = tp_asv_get_int32 (priv->data->info, "DefaultFontSize", NULL);
 857         webkit_settings = webkit_web_settings_new ();
 858         if (font_family) {
 859                 g_object_set (G_OBJECT (webkit_settings), "default-font-family", font_family, NULL);
 860         }
 861         if (font_size) {
 862                 g_object_set (G_OBJECT (webkit_settings), "default-font-size", font_size, NULL);
 863         }
 864         webkit_web_view_set_settings (WEBKIT_WEB_VIEW (object), webkit_settings);
 865
 866         /* Load template */
 867         basedir_uri = g_strconcat ("file://", priv->data->basedir, NULL);
 868         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (object),
 869                                           priv->data->template_html,
 870                                           basedir_uri);
 871
 872         g_object_unref (webkit_settings);
 873         g_free (basedir_uri);
 874 }
 875
 876 static void
 877 theme_adium_get_property (GObject    *object,
 878                           guint       param_id,
 879                           GValue     *value,
 880                           GParamSpec *pspec)
 881 {
 882         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 883
 884         switch (param_id) {
 885         case PROP_ADIUM_DATA:
 886                 g_value_set_boxed (value, priv->data);
 887                 break;
 888         default:
 889                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 890                 break;
 891         };
 892 }
 893
 894 static void
 895 theme_adium_set_property (GObject      *object,
 896                           guint         param_id,
 897                           const GValue *value,
 898                           GParamSpec   *pspec)
 899 {
 900         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 901
 902         switch (param_id) {
 903         case PROP_ADIUM_DATA:
 904                 g_assert (priv->data == NULL);
 905                 priv->data = g_value_dup_boxed (value);
 906                 break;
 907         default:
 908                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 909                 break;
 910         };
 911 }
 912
 913 static void
 914 empathy_theme_adium_class_init (EmpathyThemeAdiumClass *klass)
 915 {
 916         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 917
 918         object_class->finalize = theme_adium_finalize;
 919         object_class->dispose = theme_adium_dispose;
 920         object_class->constructed = theme_adium_constructed;
 921         object_class->get_property = theme_adium_get_property;
 922         object_class->set_property = theme_adium_set_property;
 923
 924         g_object_class_install_property (object_class,
 925                                          PROP_ADIUM_DATA,
 926                                          g_param_spec_boxed ("adium-data",
 927                                                              "The theme data",
 928                                                              "Data for the adium theme",
 929                                                               EMPATHY_TYPE_ADIUM_DATA,
 930                                                               G_PARAM_CONSTRUCT_ONLY |
 931                                                               G_PARAM_READWRITE |
 932                                                               G_PARAM_STATIC_STRINGS));
 933
 934
 935         g_type_class_add_private (object_class, sizeof (EmpathyThemeAdiumPriv));
 936 }
 937
 938 static void
 939 empathy_theme_adium_init (EmpathyThemeAdium *theme)
 940 {
 941         EmpathyThemeAdiumPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (theme,
 942                 EMPATHY_TYPE_THEME_ADIUM, EmpathyThemeAdiumPriv);
 943
 944         theme->priv = priv;
 945
 946         priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
 947
 948         g_signal_connect (theme, "load-finished",
 949                           G_CALLBACK (theme_adium_load_finished_cb),
 950                           NULL);
 951         g_signal_connect (theme, "navigation-requested",
 952                           G_CALLBACK (theme_adium_navigation_requested_cb),
 953                           NULL);
 954         g_signal_connect (theme, "populate-popup",
 955                           G_CALLBACK (theme_adium_populate_popup_cb),
 956                           NULL);
 957         g_signal_connect (theme, "hovering-over-link",
 958                           G_CALLBACK (theme_adium_hovering_over_link_cb),
 959                           NULL);
 960 }
 961
 962 EmpathyThemeAdium *
 963 empathy_theme_adium_new (EmpathyAdiumData *data)
 964 {
 965         g_return_val_if_fail (data != NULL, NULL);
 966
 967         return g_object_new (EMPATHY_TYPE_THEME_ADIUM,
 968                              "adium-data", data,
 969                              NULL);
 970 }
 971
 972 gboolean
 973 empathy_adium_path_is_valid (const gchar *path)
 974 {
 975         gboolean ret;
 976         gchar   *file;
 977
 978         /* The theme is not valid if there is no Info.plist */
 979         file = g_build_filename (path, "Contents", "Info.plist",
 980                                  NULL);
 981         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 982         g_free (file);
 983
 984         if (ret == FALSE)
 985                 return ret;
 986
 987         /* We ship a default Template.html as fallback if there is any problem
 988          * with the one inside the theme. The only other required file is
 989          * Content.html for incoming messages (outgoing fallback to use
 990          * incoming). */
 991         file = g_build_filename (path, "Contents", "Resources", "Incoming",
 992                                  "Content.html", NULL);
 993         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 994         g_free (file);
 995
 996         return ret;
 997 }
 998
 999 GHashTable *
1000 empathy_adium_info_new (const gchar *path)
1001 {
1002         gchar *file;
1003         GValue *value;
1004         GHashTable *info = NULL;
1005
1006         g_return_val_if_fail (empathy_adium_path_is_valid (path), NULL);
1007
1008         file = g_build_filename (path, "Contents", "Info.plist", NULL);
1009         value = empathy_plist_parse_from_file (file);
1010         g_free (file);
1011
1012         if (value == NULL)
1013                 return NULL;
1014
1015         info = g_value_dup_boxed (value);
1016         tp_g_value_slice_free (value);
1017
1018         /* Insert the theme's path into the hash table,
1019          * keys have to be dupped */
1020         tp_asv_set_string (info, g_strdup ("path"), path);
1021
1022         return info;
1023 }
1024
1025 GType
1026 empathy_adium_data_get_type (void)
1027 {
1028   static GType type_id = 0;
1029
1030   if (!type_id)
1031     {
1032       type_id = g_boxed_type_register_static ("EmpathyAdiumData",
1033           (GBoxedCopyFunc) empathy_adium_data_ref,
1034           (GBoxedFreeFunc) empathy_adium_data_unref);
1035     }
1036
1037   return type_id;
1038 }
1039
1040 EmpathyAdiumData  *
1041 empathy_adium_data_new_with_info (const gchar *path, GHashTable *info)
1042 {
1043         EmpathyAdiumData *data;
1044         gchar            *file;
1045         gchar            *template_html = NULL;
1046         gsize             template_len;
1047         gchar            *footer_html = NULL;
1048         gsize             footer_len;
1049         GString          *string;
1050         gchar           **strv = NULL;
1051         gchar            *css_path;
1052         guint             len = 0;
1053         guint             i = 0;
1054
1055         g_return_val_if_fail (empathy_adium_path_is_valid (path), NULL);
1056
1057         data = g_slice_new0 (EmpathyAdiumData);
1058         data->ref_count = 1;
1059         data->path = g_strdup (path);
1060         data->basedir = g_strconcat (path, G_DIR_SEPARATOR_S "Contents"
1061                 G_DIR_SEPARATOR_S "Resources" G_DIR_SEPARATOR_S, NULL);
1062         data->info = g_hash_table_ref (info);
1063
1064         /* Load html files */
1065         file = g_build_filename (data->basedir, "Incoming", "Content.html", NULL);
1066         g_file_get_contents (file, &data->in_content_html, &data->in_content_len, NULL);
1067         g_free (file);
1068
1069         file = g_build_filename (data->basedir, "Incoming", "NextContent.html", NULL);
1070         g_file_get_contents (file, &data->in_nextcontent_html, &data->in_nextcontent_len, NULL);
1071         g_free (file);
1072
1073         file = g_build_filename (data->basedir, "Incoming", "Context.html", NULL);
1074         g_file_get_contents (file, &data->in_context_html, &data->in_context_len, NULL);
1075         g_free (file);
1076
1077         file = g_build_filename (data->basedir, "Incoming", "NextContext.html", NULL);
1078         g_file_get_contents (file, &data->in_nextcontext_html, &data->in_nextcontext_len, NULL);
1079         g_free (file);
1080
1081         file = g_build_filename (data->basedir, "Outgoing", "Content.html", NULL);
1082         g_file_get_contents (file, &data->out_content_html, &data->out_content_len, NULL);
1083         g_free (file);
1084
1085         file = g_build_filename (data->basedir, "Outgoing", "NextContent.html", NULL);
1086         g_file_get_contents (file, &data->out_nextcontent_html, &data->out_nextcontent_len, NULL);
1087         g_free (file);
1088
1089         file = g_build_filename (data->basedir, "Outgoing", "Context.html", NULL);
1090         g_file_get_contents (file, &data->out_context_html, &data->out_context_len, NULL);
1091         g_free (file);
1092
1093         file = g_build_filename (data->basedir, "Outgoing", "NextContext.html", NULL);
1094         g_file_get_contents (file, &data->out_nextcontext_html, &data->out_nextcontext_len, NULL);
1095         g_free (file);
1096
1097         file = g_build_filename (data->basedir, "Status.html", NULL);
1098         g_file_get_contents (file, &data->status_html, &data->status_len, NULL);
1099         g_free (file);
1100
1101         file = g_build_filename (data->basedir, "Footer.html", NULL);
1102         g_file_get_contents (file, &footer_html, &footer_len, NULL);
1103         g_free (file);
1104
1105         file = g_build_filename (data->basedir, "Incoming", "buddy_icon.png", NULL);
1106         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
1107                 data->default_incoming_avatar_filename = file;
1108         } else {
1109                 g_free (file);
1110         }
1111
1112         file = g_build_filename (data->basedir, "Outgoing", "buddy_icon.png", NULL);
1113         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
1114                 data->default_outgoing_avatar_filename = file;
1115         } else {
1116                 g_free (file);
1117         }
1118
1119         css_path = g_build_filename (data->basedir, "main.css", NULL);
1120
1121         /* There is 2 formats for Template.html: The old one has 4 parameters,
1122          * the new one has 5 parameters. */
1123         file = g_build_filename (data->basedir, "Template.html", NULL);
1124         if (g_file_get_contents (file, &template_html, &template_len, NULL)) {
1125                 strv = g_strsplit (template_html, "%@", -1);
1126                 len = g_strv_length (strv);
1127         }
1128         g_free (file);
1129
1130         if (len != 5 && len != 6) {
1131                 /* Either the theme has no template or it don't have the good
1132                  * number of parameters. Fallback to use our own template. */
1133                 g_free (template_html);
1134                 g_strfreev (strv);
1135
1136                 file = empathy_file_lookup ("Template.html", "data");
1137                 g_file_get_contents (file, &template_html, &template_len, NULL);
1138                 g_free (file);
1139                 strv = g_strsplit (template_html, "%@", -1);
1140                 len = g_strv_length (strv);
1141         }
1142
1143         /* Replace %@ with the needed information in the template html. */
1144         string = g_string_sized_new (template_len);
1145         g_string_append (string, strv[i++]);
1146         g_string_append (string, data->basedir);
1147         g_string_append (string, strv[i++]);
1148         if (len == 6) {
1149                 const gchar *variant;
1150
1151                 /* We include main.css by default */
1152                 g_string_append_printf (string, "@import url(\"%s\");", css_path);
1153                 g_string_append (string, strv[i++]);
1154                 variant = tp_asv_get_string (data->info, "DefaultVariant");
1155                 if (variant) {
1156                         g_string_append (string, "Variants/");
1157                         g_string_append (string, variant);
1158                         g_string_append (string, ".css");
1159                 }
1160         } else {
1161                 /* FIXME: We should set main.css OR the variant css */
1162                 g_string_append (string, css_path);
1163         }
1164         g_string_append (string, strv[i++]);
1165         g_string_append (string, ""); /* We don't want header */
1166         g_string_append (string, strv[i++]);
1167         /* FIXME: We should replace adium %macros% in footer */
1168         if (footer_html) {
1169                 g_string_append (string, footer_html);
1170         }
1171         g_string_append (string, strv[i++]);
1172         data->template_html = g_string_free (string, FALSE);
1173
1174         g_free (footer_html);
1175         g_free (template_html);
1176         g_free (css_path);
1177         g_strfreev (strv);
1178
1179         return data;
1180 }
1181
1182 EmpathyAdiumData  *
1183 empathy_adium_data_new (const gchar *path)
1184 {
1185         EmpathyAdiumData *data;
1186         GHashTable *info;
1187
1188         info = empathy_adium_info_new (path);
1189         data = empathy_adium_data_new_with_info (path, info);
1190         g_hash_table_unref (info);
1191
1192         return data;
1193 }
1194
1195 EmpathyAdiumData  *
1196 empathy_adium_data_ref (EmpathyAdiumData *data)
1197 {
1198         g_return_val_if_fail (data != NULL, NULL);
1199
1200         g_atomic_int_inc (&data->ref_count);
1201
1202         return data;
1203 }
1204
1205 void
1206 empathy_adium_data_unref (EmpathyAdiumData *data)
1207 {
1208         g_return_if_fail (data != NULL);
1209
1210         if (g_atomic_int_dec_and_test (&data->ref_count)) {
1211                 g_free (data->path);
1212                 g_free (data->basedir);
1213                 g_free (data->template_html);
1214                 g_free (data->in_content_html);
1215                 g_free (data->in_nextcontent_html);
1216                 g_free (data->in_context_html);
1217                 g_free (data->in_nextcontext_html);
1218                 g_free (data->out_content_html);
1219                 g_free (data->out_nextcontent_html);
1220                 g_free (data->out_context_html);
1221                 g_free (data->out_nextcontext_html);
1222                 g_free (data->default_avatar_filename);
1223                 g_free (data->default_incoming_avatar_filename);
1224                 g_free (data->default_outgoing_avatar_filename);
1225                 g_free (data->status_html);
1226                 g_hash_table_unref (data->info);
1227                 g_slice_free (EmpathyAdiumData, data);
1228         }
1229 }
1230
1231 GHashTable *
1232 empathy_adium_data_get_info (EmpathyAdiumData *data)
1233 {
1234         g_return_val_if_fail (data != NULL, NULL);
1235
1236         return data->info;
1237 }
1238
1239 const gchar *
1240 empathy_adium_data_get_path (EmpathyAdiumData *data)
1241 {
1242         g_return_val_if_fail (data != NULL, NULL);
1243
1244         return data->path;
1245 }
1246