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
  29 #include <libempathy/empathy-time.h>
  30 #include <libempathy/empathy-utils.h>
  31
  32 #include "empathy-theme-adium.h"
  33 #include "empathy-smiley-manager.h"
  34 #include "empathy-conf.h"
  35 #include "empathy-ui-utils.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  38 #include <libempathy/empathy-debug.h>
  39
  40 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyThemeAdium)
  41
  42 /* "Join" consecutive messages with timestamps within five minutes */
  43 #define MESSAGE_JOIN_PERIOD 5*60
  44
  45 typedef struct {
  46         EmpathySmileyManager *smiley_manager;
  47         EmpathyContact       *last_contact;
  48         time_t                last_timestamp;
  49         gboolean              page_loaded;
  50         GList                *message_queue;
  51         gchar                *path;
  52         gchar                *default_avatar_filename;
  53         gchar                *default_incoming_avatar_filename;
  54         gchar                *default_outgoing_avatar_filename;
  55         gchar                *template_html;
  56         gchar                *basedir;
  57         gchar                *in_content_html;
  58         gsize                 in_content_len;
  59         gchar                *in_nextcontent_html;
  60         gsize                 in_nextcontent_len;
  61         gchar                *out_content_html;
  62         gsize                 out_content_len;
  63         gchar                *out_nextcontent_html;
  64         gsize                 out_nextcontent_len;
  65         gchar                *status_html;
  66         gsize                 status_len;
  67 } EmpathyThemeAdiumPriv;
  68
  69 static void theme_adium_iface_init (EmpathyChatViewIface *iface);
  70
  71 enum {
  72         PROP_0,
  73         PROP_PATH,
  74 };
  75
  76 G_DEFINE_TYPE_WITH_CODE (EmpathyThemeAdium, empathy_theme_adium,
  77                          WEBKIT_TYPE_WEB_VIEW,
  78                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW,
  79                                                 theme_adium_iface_init));
  80
  81 static void
  82 theme_adium_load (EmpathyThemeAdium *theme)
  83 {
  84         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
  85         gchar                 *file;
  86         gchar                 *template_html = NULL;
  87         gsize                  template_len;
  88         GString               *string;
  89         gchar                **strv = NULL;
  90         gchar                 *css_path;
  91         guint                  len = 0;
  92         guint                  i = 0;
  93         gchar                 *basedir_uri;
  94
  95         priv->basedir = g_strconcat (priv->path, G_DIR_SEPARATOR_S "Contents" G_DIR_SEPARATOR_S "Resources" G_DIR_SEPARATOR_S, NULL);
  96         basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
  97
  98         /* Load html files */
  99         file = g_build_filename (priv->basedir, "Incoming", "Content.html", NULL);
 100         g_file_get_contents (file, &priv->in_content_html, &priv->in_content_len, NULL);
 101         g_free (file);
 102
 103         file = g_build_filename (priv->basedir, "Incoming", "NextContent.html", NULL);
 104         g_file_get_contents (file, &priv->in_nextcontent_html, &priv->in_nextcontent_len, NULL);
 105         g_free (file);
 106
 107         file = g_build_filename (priv->basedir, "Outgoing", "Content.html", NULL);
 108         g_file_get_contents (file, &priv->out_content_html, &priv->out_content_len, NULL);
 109         g_free (file);
 110
 111         file = g_build_filename (priv->basedir, "Outgoing", "NextContent.html", NULL);
 112         g_file_get_contents (file, &priv->out_nextcontent_html, &priv->out_nextcontent_len, NULL);
 113         g_free (file);
 114
 115         file = g_build_filename (priv->basedir, "Status.html", NULL);
 116         g_file_get_contents (file, &priv->status_html, &priv->status_len, NULL);
 117         g_free (file);
 118
 119         file = g_build_filename (priv->basedir, "Incoming", "buddy_icon.png", NULL);
 120         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 121                 priv->default_incoming_avatar_filename = file;
 122         } else {
 123                 g_free (file);
 124         }
 125
 126         file = g_build_filename (priv->basedir, "Outgoing", "buddy_icon.png", NULL);
 127         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 128                 priv->default_outgoing_avatar_filename = file;
 129         } else {
 130                 g_free (file);
 131         }
 132
 133         css_path = g_build_filename (priv->basedir, "main.css", NULL);
 134
 135         /* There is 2 formats for Template.html: The old one has 4 parameters,
 136          * the new one has 5 parameters. */
 137         file = g_build_filename (priv->basedir, "Template.html", NULL);
 138         if (g_file_get_contents (file, &template_html, &template_len, NULL)) {
 139                 strv = g_strsplit (template_html, "%@", -1);
 140                 len = g_strv_length (strv);
 141         }
 142         g_free (file);
 143
 144         if (len != 5 && len != 6) {
 145                 /* Either the theme has no template or it don't have the good
 146                  * number of parameters. Fallback to use our own template. */
 147                 g_free (template_html);
 148                 g_strfreev (strv);
 149
 150                 file = empathy_file_lookup ("Template.html", "data");
 151                 g_file_get_contents (file, &template_html, &template_len, NULL);
 152                 g_free (file);
 153                 strv = g_strsplit (template_html, "%@", -1);
 154                 len = g_strv_length (strv);
 155         }
 156
 157         /* Replace %@ with the needed information in the template html. */
 158         string = g_string_sized_new (template_len);
 159         g_string_append (string, strv[i++]);
 160         g_string_append (string, priv->basedir);
 161         g_string_append (string, strv[i++]);
 162         if (len == 6) {
 163                 /* We include main.css by default */
 164                 g_string_append_printf (string, "@import url(\"%s\");", css_path);
 165                 g_string_append (string, strv[i++]);
 166                 /* FIXME: We should set the variant css here */
 167                 g_string_append (string, "");
 168         } else {
 169                 /* FIXME: We should set main.css OR the variant css */
 170                 g_string_append (string, css_path);
 171         }
 172         g_string_append (string, strv[i++]);
 173         g_string_append (string, ""); /* We don't want header */
 174         g_string_append (string, strv[i++]);
 175         g_string_append (string, ""); /* FIXME: We don't support footer yet */
 176         g_string_append (string, strv[i++]);
 177         priv->template_html = g_string_free (string, FALSE);
 178
 179         /* Load the template */
 180         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (theme),
 181                                           priv->template_html, basedir_uri);
 182
 183         g_free (basedir_uri);
 184         g_free (template_html);
 185         g_free (css_path);
 186         g_strfreev (strv);
 187 }
 188
 189 static WebKitNavigationResponse
 190 theme_adium_navigation_requested_cb (WebKitWebView        *view,
 191                                      WebKitWebFrame       *frame,
 192                                      WebKitNetworkRequest *request,
 193                                      gpointer              user_data)
 194 {
 195         const gchar *uri;
 196
 197         uri = webkit_network_request_get_uri (request);
 198         empathy_url_show (GTK_WIDGET (view), uri);
 199
 200         return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 201 }
 202
 203 static void
 204 theme_adium_populate_popup_cb (WebKitWebView *view,
 205                                GtkMenu       *menu,
 206                                gpointer       user_data)
 207 {
 208         GtkWidget *item;
 209
 210         /* Remove default menu items */
 211         gtk_container_foreach (GTK_CONTAINER (menu),
 212                 (GtkCallback) gtk_widget_destroy, NULL);
 213
 214         /* Select all item */
 215         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
 216         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 217         gtk_widget_show (item);
 218
 219         g_signal_connect_swapped (item, "activate",
 220                                   G_CALLBACK (webkit_web_view_select_all),
 221                                   view);
 222
 223         /* Copy menu item */
 224         if (webkit_web_view_can_copy_clipboard (view)) {
 225                 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
 226                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 227                 gtk_widget_show (item);
 228
 229                 g_signal_connect_swapped (item, "activate",
 230                                           G_CALLBACK (webkit_web_view_copy_clipboard),
 231                                           view);
 232         }
 233
 234         /* Clear menu item */
 235         item = gtk_separator_menu_item_new ();
 236         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 237         gtk_widget_show (item);
 238
 239         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
 240         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 241         gtk_widget_show (item);
 242
 243         g_signal_connect_swapped (item, "activate",
 244                                   G_CALLBACK (empathy_chat_view_clear),
 245                                   view);
 246
 247         /* FIXME: Add open_link and copy_link when those bugs are fixed:
 248          * https://bugs.webkit.org/show_bug.cgi?id=16092
 249          * https://bugs.webkit.org/show_bug.cgi?id=16562
 250          */
 251 }
 252
 253 static gchar *
 254 theme_adium_parse_body (EmpathyThemeAdium *theme,
 255                         const gchar       *text)
 256 {
 257         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 258         gboolean               use_smileys = FALSE;
 259         GSList                *smileys, *l;
 260         GString               *string;
 261         gint                   i;
 262         GRegex                *uri_regex;
 263         GMatchInfo            *match_info;
 264         gboolean               match;
 265         gchar                 *ret = NULL;
 266         gint                   prev;
 267
 268         empathy_conf_get_bool (empathy_conf_get (),
 269                                EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
 270                                &use_smileys);
 271
 272         if (use_smileys) {
 273                 /* Replace smileys by a <img/> tag */
 274                 string = g_string_sized_new (strlen (text));
 275                 smileys = empathy_smiley_manager_parse (priv->smiley_manager, text);
 276                 for (l = smileys; l; l = l->next) {
 277                         EmpathySmiley *smiley;
 278
 279                         smiley = l->data;
 280                         if (smiley->path) {
 281                                 g_string_append_printf (string,
 282                                                         "<abbr title='%s'><img src=\"%s\"/ alt=\"%s\"/></abbr>",
 283                                                         smiley->str, smiley->path, smiley->str);
 284                         } else {
 285                                 gchar *str;
 286
 287                                 str = g_markup_escape_text (smiley->str, -1);
 288                                 g_string_append (string, str);
 289                                 g_free (str);
 290                         }
 291                         empathy_smiley_free (smiley);
 292                 }
 293                 g_slist_free (smileys);
 294
 295                 g_free (ret);
 296                 text = ret = g_string_free (string, FALSE);
 297         }
 298
 299         /* Add <a href></a> arround links */
 300         uri_regex = empathy_uri_regex_dup_singleton ();
 301         match = g_regex_match (uri_regex, text, 0, &match_info);
 302         if (match) {
 303                 gint last = 0;
 304                 gint s = 0, e = 0;
 305
 306                 string = g_string_sized_new (strlen (text));
 307                 do {
 308                         g_match_info_fetch_pos (match_info, 0, &s, &e);
 309
 310                         if (s > last) {
 311                                 /* Append the text between last link (or the
 312                                  * start of the message) and this link */
 313                                 g_string_append_len (string, text + last, s - last);
 314                         }
 315
 316                         /* Append the link inside <a href=""></a> tag */
 317                         g_string_append (string, "<a href=\"");
 318                         g_string_append_len (string, text + s, e - s);
 319                         g_string_append (string, "\">");
 320                         g_string_append_len (string, text + s, e - s);
 321                         g_string_append (string, "</a>");
 322
 323                         last = e;
 324                 } while (g_match_info_next (match_info, NULL));
 325
 326                 if (e < strlen (text)) {
 327                         /* Append the text after the last link */
 328                         g_string_append_len (string, text + e, strlen (text) - e);
 329                 }
 330
 331                 g_free (ret);
 332                 text = ret = g_string_free (string, FALSE);
 333         }
 334         g_match_info_free (match_info);
 335         g_regex_unref (uri_regex);
 336
 337         /* Replace \n by <br/> */
 338         string = NULL;
 339         prev = 0;
 340         for (i = 0; text[i] != '\0'; i++) {
 341                 if (text[i] == '\n') {
 342                         if (!string ) {
 343                                 string = g_string_sized_new (strlen (text));
 344                         }
 345                         g_string_append_len (string, text + prev, i - prev);
 346                         g_string_append (string, "<br/>");
 347                         prev = i + 1;
 348                 }
 349         }
 350         if (string) {
 351                 g_string_append (string, text + prev);
 352                 g_free (ret);
 353                 text = ret = g_string_free (string, FALSE);
 354         }
 355
 356         return ret;
 357 }
 358
 359 static void
 360 escape_and_append_len (GString *string, const gchar *str, gint len)
 361 {
 362         while (*str != '\0' && len != 0) {
 363                 switch (*str) {
 364                 case '\\':
 365                         /* \ becomes \\ */
 366                         g_string_append (string, "\\\\");
 367                         break;
 368                 case '\"':
 369                         /* " becomes \" */
 370                         g_string_append (string, "\\\"");
 371                         break;
 372                 case '\n':
 373                         /* Remove end of lines */
 374                         break;
 375                 default:
 376                         g_string_append_c (string, *str);
 377                 }
 378
 379                 str++;
 380                 len--;
 381         }
 382 }
 383
 384 static gboolean
 385 theme_adium_match (const gchar **str, const gchar *match)
 386 {
 387         gint len;
 388
 389         len = strlen (match);
 390         if (strncmp (*str, match, len) == 0) {
 391                 *str += len - 1;
 392                 return TRUE;
 393         }
 394
 395         return FALSE;
 396 }
 397
 398 static void
 399 theme_adium_append_html (EmpathyThemeAdium *theme,
 400                          const gchar       *func,
 401                          const gchar       *html, gsize len,
 402                          const gchar       *message,
 403                          const gchar       *avatar_filename,
 404                          const gchar       *name,
 405                          time_t             timestamp)
 406 {
 407         GString     *string;
 408         const gchar *cur = NULL;
 409         gchar       *script;
 410
 411         /* Make some search-and-replace in the html code */
 412         string = g_string_sized_new (len + strlen (message));
 413         g_string_append_printf (string, "%s(\"", func);
 414         for (cur = html; *cur != '\0'; cur++) {
 415                 const gchar *replace = NULL;
 416                 gchar       *dup_replace = NULL;
 417
 418                 if (theme_adium_match (&cur, "%message%")) {
 419                         replace = message;
 420                 } else if (theme_adium_match (&cur, "%userIconPath%")) {
 421                         replace = avatar_filename;
 422                 } else if (theme_adium_match (&cur, "%sender%")) {
 423                         replace = name;
 424                 } else if (theme_adium_match (&cur, "%time")) {
 425                         gchar *format = NULL;
 426                         gchar *end;
 427
 428                         /* Time can be in 2 formats:
 429                          * %time% or %time{strftime format}%
 430                          * Extract the time format if provided. */
 431                         if (cur[1] == '{') {
 432                                 cur += 2;
 433                                 end = strstr (cur, "}%");
 434                                 if (!end) {
 435                                         /* Invalid string */
 436                                         continue;
 437                                 }
 438                                 format = g_strndup (cur, end - cur);
 439                                 cur = end + 1;
 440                         } else {
 441                                 cur++;
 442                         }
 443
 444                         dup_replace = empathy_time_to_string_local (timestamp,
 445                                 format ? format : EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 446                         replace = dup_replace;
 447                         g_free (format);
 448                 } else {
 449                         escape_and_append_len (string, cur, 1);
 450                         continue;
 451                 }
 452
 453                 /* Here we have a replacement to make */
 454                 escape_and_append_len (string, replace, -1);
 455                 g_free (dup_replace);
 456         }
 457         g_string_append (string, "\")");
 458
 459         script = g_string_free (string, FALSE);
 460         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (theme), script);
 461         g_free (script);
 462 }
 463
 464 static void
 465 theme_adium_append_message (EmpathyChatView *view,
 466                             EmpathyMessage  *msg)
 467 {
 468         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 469         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 470         EmpathyContact        *sender;
 471         gchar                 *dup_body = NULL;
 472         const gchar           *body;
 473         const gchar           *name;
 474         EmpathyAvatar         *avatar;
 475         const gchar           *avatar_filename = NULL;
 476         time_t                 timestamp;
 477         gchar                 *html = NULL;
 478         gsize                  len = 0;
 479         const gchar           *func;
 480
 481         if (!priv->page_loaded) {
 482                 priv->message_queue = g_list_prepend (priv->message_queue,
 483                                                       g_object_ref (msg));
 484                 return;
 485         }
 486
 487         /* Get information */
 488         sender = empathy_message_get_sender (msg);
 489         timestamp = empathy_message_get_timestamp (msg);
 490         body = empathy_message_get_body (msg);
 491         dup_body = theme_adium_parse_body (theme, body);
 492         if (dup_body) {
 493                 body = dup_body;
 494         }
 495         name = empathy_contact_get_name (sender);
 496
 497         /* If this is a /me, append an event */
 498         if (empathy_message_get_tptype (msg) == TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION) {
 499                 gchar *str;
 500
 501                 str = g_strdup_printf ("%s %s", name, body);
 502                 empathy_chat_view_append_event (view, str);
 503                 g_free (str);
 504                 g_free (dup_body);
 505                 return;
 506         }
 507
 508         /* Get the avatar filename, or a fallback */
 509         avatar = empathy_contact_get_avatar (sender);
 510         if (avatar) {
 511                 avatar_filename = avatar->filename;
 512         }
 513         if (!avatar_filename) {
 514                 if (empathy_contact_is_user (sender)) {
 515                         avatar_filename = priv->default_outgoing_avatar_filename;
 516                 } else {
 517                         avatar_filename = priv->default_incoming_avatar_filename;
 518                 }
 519                 if (!avatar_filename) {
 520                         if (!priv->default_avatar_filename) {
 521                                 priv->default_avatar_filename =
 522                                         empathy_filename_from_icon_name ("stock_person",
 523                                                                          GTK_ICON_SIZE_DIALOG);
 524                         }
 525                         avatar_filename = priv->default_avatar_filename;
 526                 }
 527         }
 528
 529         /* Get the right html/func to add the message */
 530         func = "appendMessage";
 531         /*
 532          * To mimick Adium's behavior, we only want to join messages
 533          * sent within a 5 minute time frame.
 534          */
 535         if (empathy_contact_equal (priv->last_contact, sender) &&
 536             (timestamp - priv->last_timestamp < MESSAGE_JOIN_PERIOD)) {
 537                 func = "appendNextMessage";
 538                 if (empathy_contact_is_user (sender)) {
 539                         html = priv->out_nextcontent_html;
 540                         len = priv->out_nextcontent_len;
 541                 }
 542                 if (!html) {
 543                         html = priv->in_nextcontent_html;
 544                         len = priv->in_nextcontent_len;
 545                 }
 546         }
 547         if (!html) {
 548                 if (empathy_contact_is_user (sender)) {
 549                         html = priv->out_content_html;
 550                         len = priv->out_content_len;
 551                 }
 552                 if (!html) {
 553                         html = priv->in_content_html;
 554                         len = priv->in_content_len;
 555                 }
 556         }
 557
 558         theme_adium_append_html (theme, func, html, len, body, avatar_filename,
 559                                  name, timestamp);
 560
 561         /* Keep the sender of the last displayed message */
 562         if (priv->last_contact) {
 563                 g_object_unref (priv->last_contact);
 564         }
 565         priv->last_contact = g_object_ref (sender);
 566         priv->last_timestamp = timestamp;
 567
 568         g_free (dup_body);
 569 }
 570
 571 static void
 572 theme_adium_append_event (EmpathyChatView *view,
 573                           const gchar     *str)
 574 {
 575         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 576         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 577
 578         if (priv->status_html) {
 579                 theme_adium_append_html (theme, "appendMessage",
 580                                          priv->status_html, priv->status_len,
 581                                          str, NULL, NULL,
 582                                          empathy_time_get_current ());
 583         }
 584
 585         /* There is no last contact */
 586         if (priv->last_contact) {
 587                 g_object_unref (priv->last_contact);
 588                 priv->last_contact = NULL;
 589         }
 590 }
 591
 592 static void
 593 theme_adium_scroll (EmpathyChatView *view,
 594                     gboolean         allow_scrolling)
 595 {
 596         /* FIXME: Is it possible? I guess we need a js function, but I don't
 597          * see any... */
 598 }
 599
 600 static void
 601 theme_adium_scroll_down (EmpathyChatView *view)
 602 {
 603         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (view), "scrollToBottom()");
 604 }
 605
 606 static gboolean
 607 theme_adium_get_has_selection (EmpathyChatView *view)
 608 {
 609         return webkit_web_view_has_selection (WEBKIT_WEB_VIEW (view));
 610 }
 611
 612 static void
 613 theme_adium_clear (EmpathyChatView *view)
 614 {
 615         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 616         gchar *basedir_uri;
 617
 618         priv->page_loaded = FALSE;
 619         basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
 620         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (view),
 621                                           priv->template_html, basedir_uri);
 622         g_free (basedir_uri);
 623 }
 624
 625 static gboolean
 626 theme_adium_find_previous (EmpathyChatView *view,
 627                            const gchar     *search_criteria,
 628                            gboolean         new_search)
 629 {
 630         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 631                                             search_criteria, FALSE,
 632                                             FALSE, TRUE);
 633 }
 634
 635 static gboolean
 636 theme_adium_find_next (EmpathyChatView *view,
 637                        const gchar     *search_criteria,
 638                        gboolean         new_search)
 639 {
 640         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 641                                             search_criteria, FALSE,
 642                                             TRUE, TRUE);
 643 }
 644
 645 static void
 646 theme_adium_find_abilities (EmpathyChatView *view,
 647                             const gchar    *search_criteria,
 648                             gboolean       *can_do_previous,
 649                             gboolean       *can_do_next)
 650 {
 651         /* FIXME: Does webkit provide an API for that? We have wrap=true in
 652          * find_next and find_previous to work around this problem. */
 653         if (can_do_previous)
 654                 *can_do_previous = TRUE;
 655         if (can_do_next)
 656                 *can_do_next = TRUE;
 657 }
 658
 659 static void
 660 theme_adium_highlight (EmpathyChatView *view,
 661                        const gchar     *text)
 662 {
 663         webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
 664         webkit_web_view_mark_text_matches (WEBKIT_WEB_VIEW (view),
 665                                            text, FALSE, 0);
 666         webkit_web_view_set_highlight_text_matches (WEBKIT_WEB_VIEW (view),
 667                                                     TRUE);
 668 }
 669
 670 static void
 671 theme_adium_copy_clipboard (EmpathyChatView *view)
 672 {
 673         webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
 674 }
 675
 676 static void
 677 theme_adium_iface_init (EmpathyChatViewIface *iface)
 678 {
 679         iface->append_message = theme_adium_append_message;
 680         iface->append_event = theme_adium_append_event;
 681         iface->scroll = theme_adium_scroll;
 682         iface->scroll_down = theme_adium_scroll_down;
 683         iface->get_has_selection = theme_adium_get_has_selection;
 684         iface->clear = theme_adium_clear;
 685         iface->find_previous = theme_adium_find_previous;
 686         iface->find_next = theme_adium_find_next;
 687         iface->find_abilities = theme_adium_find_abilities;
 688         iface->highlight = theme_adium_highlight;
 689         iface->copy_clipboard = theme_adium_copy_clipboard;
 690 }
 691
 692 static void
 693 theme_adium_load_finished_cb (WebKitWebView  *view,
 694                               WebKitWebFrame *frame,
 695                               gpointer        user_data)
 696 {
 697         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 698         EmpathyChatView       *chat_view = EMPATHY_CHAT_VIEW (view);
 699
 700         DEBUG ("Page loaded");
 701         priv->page_loaded = TRUE;
 702
 703         /* Display queued messages */
 704         priv->message_queue = g_list_reverse (priv->message_queue);
 705         while (priv->message_queue) {
 706                 EmpathyMessage *message = priv->message_queue->data;
 707
 708                 theme_adium_append_message (chat_view, message);
 709                 priv->message_queue = g_list_remove (priv->message_queue, message);
 710                 g_object_unref (message);
 711         }
 712 }
 713
 714 static void
 715 theme_adium_finalize (GObject *object)
 716 {
 717         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 718
 719         g_free (priv->basedir);
 720         g_free (priv->template_html);
 721         g_free (priv->in_content_html);
 722         g_free (priv->in_nextcontent_html);
 723         g_free (priv->out_content_html);
 724         g_free (priv->out_nextcontent_html);
 725         g_free (priv->default_avatar_filename);
 726         g_free (priv->default_incoming_avatar_filename);
 727         g_free (priv->default_outgoing_avatar_filename);
 728         g_free (priv->path);
 729
 730         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->finalize (object);
 731 }
 732
 733 static void
 734 theme_adium_dispose (GObject *object)
 735 {
 736         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 737
 738         if (priv->smiley_manager) {
 739                 g_object_unref (priv->smiley_manager);
 740                 priv->smiley_manager = NULL;
 741         }
 742
 743         if (priv->last_contact) {
 744                 g_object_unref (priv->last_contact);
 745                 priv->last_contact = NULL;
 746         }
 747
 748         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->dispose (object);
 749 }
 750
 751 static void
 752 theme_adium_constructed (GObject *object)
 753 {
 754         theme_adium_load (EMPATHY_THEME_ADIUM (object));
 755 }
 756
 757 static void
 758 theme_adium_get_property (GObject    *object,
 759                           guint       param_id,
 760                           GValue     *value,
 761                           GParamSpec *pspec)
 762 {
 763         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 764
 765         switch (param_id) {
 766         case PROP_PATH:
 767                 g_value_set_string (value, priv->path);
 768                 break;
 769         default:
 770                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 771                 break;
 772         };
 773 }
 774
 775 static void
 776 theme_adium_set_property (GObject      *object,
 777                           guint         param_id,
 778                           const GValue *value,
 779                           GParamSpec   *pspec)
 780 {
 781         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 782
 783         switch (param_id) {
 784         case PROP_PATH:
 785                 g_free (priv->path);
 786                 priv->path = g_value_dup_string (value);
 787                 break;
 788         default:
 789                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 790                 break;
 791         };
 792 }
 793
 794 static void
 795 empathy_theme_adium_class_init (EmpathyThemeAdiumClass *klass)
 796 {
 797         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 798
 799         object_class->finalize = theme_adium_finalize;
 800         object_class->dispose = theme_adium_dispose;
 801         object_class->constructed = theme_adium_constructed;
 802         object_class->get_property = theme_adium_get_property;
 803         object_class->set_property = theme_adium_set_property;
 804
 805         g_object_class_install_property (object_class,
 806                                          PROP_PATH,
 807                                          g_param_spec_string ("path",
 808                                                               "The theme path",
 809                                                               "Path to the adium theme",
 810                                                               g_get_home_dir (),
 811                                                               G_PARAM_CONSTRUCT_ONLY |
 812                                                               G_PARAM_READWRITE));
 813
 814
 815         g_type_class_add_private (object_class, sizeof (EmpathyThemeAdiumPriv));
 816 }
 817
 818 static void
 819 empathy_theme_adium_init (EmpathyThemeAdium *theme)
 820 {
 821         EmpathyThemeAdiumPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (theme,
 822                 EMPATHY_TYPE_THEME_ADIUM, EmpathyThemeAdiumPriv);
 823
 824         theme->priv = priv;
 825
 826         priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
 827
 828         g_signal_connect (theme, "load-finished",
 829                           G_CALLBACK (theme_adium_load_finished_cb),
 830                           NULL);
 831         g_signal_connect (theme, "navigation-requested",
 832                           G_CALLBACK (theme_adium_navigation_requested_cb),
 833                           NULL);
 834         g_signal_connect (theme, "populate-popup",
 835                           G_CALLBACK (theme_adium_populate_popup_cb),
 836                           NULL);
 837 }
 838
 839 EmpathyThemeAdium *
 840 empathy_theme_adium_new (const gchar *path)
 841 {
 842         g_return_val_if_fail (empathy_theme_adium_is_valid (path), NULL);
 843
 844         return g_object_new (EMPATHY_TYPE_THEME_ADIUM,
 845                              "path", path,
 846                              NULL);
 847 }
 848
 849 gboolean
 850 empathy_theme_adium_is_valid (const gchar *path)
 851 {
 852         gboolean ret;
 853         gchar   *file;
 854
 855         /* We ship a default Template.html as fallback if there is any problem
 856          * with the one inside the theme. The only other required file is
 857          * Content.html for incoming messages (outgoing fallback to use
 858          * incoming). */
 859         file = g_build_filename (path, "Contents", "Resources", "Incoming",
 860                                  "Content.html", NULL);
 861         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 862         g_free (file);
 863
 864         return ret;
 865 }
 866