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
  30 #include <libempathy/empathy-time.h>
  31 #include <libempathy/empathy-utils.h>
  32 #include <libmissioncontrol/mc-profile.h>
  33
  34 #include "empathy-theme-adium.h"
  35 #include "empathy-smiley-manager.h"
  36 #include "empathy-conf.h"
  37 #include "empathy-ui-utils.h"
  38 #include "empathy-plist.h"
  39
  40 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  41 #include <libempathy/empathy-debug.h>
  42
  43 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyThemeAdium)
  44
  45 /* "Join" consecutive messages with timestamps within five minutes */
  46 #define MESSAGE_JOIN_PERIOD 5*60
  47
  48 typedef struct {
  49         EmpathySmileyManager *smiley_manager;
  50         EmpathyContact       *last_contact;
  51         time_t                last_timestamp;
  52         gboolean              page_loaded;
  53         GList                *message_queue;
  54         gchar                *path;
  55         gchar                *default_avatar_filename;
  56         gchar                *default_incoming_avatar_filename;
  57         gchar                *default_outgoing_avatar_filename;
  58         gchar                *template_html;
  59         gchar                *basedir;
  60         gchar                *in_content_html;
  61         gsize                 in_content_len;
  62         gchar                *in_nextcontent_html;
  63         gsize                 in_nextcontent_len;
  64         gchar                *out_content_html;
  65         gsize                 out_content_len;
  66         gchar                *out_nextcontent_html;
  67         gsize                 out_nextcontent_len;
  68         gchar                *status_html;
  69         gsize                 status_len;
  70 } EmpathyThemeAdiumPriv;
  71
  72 static void theme_adium_iface_init (EmpathyChatViewIface *iface);
  73
  74 enum {
  75         PROP_0,
  76         PROP_PATH,
  77 };
  78
  79 G_DEFINE_TYPE_WITH_CODE (EmpathyThemeAdium, empathy_theme_adium,
  80                          WEBKIT_TYPE_WEB_VIEW,
  81                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW,
  82                                                 theme_adium_iface_init));
  83
  84 static void
  85 theme_adium_load (EmpathyThemeAdium *theme)
  86 {
  87         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
  88         gchar                 *file;
  89         gchar                 *template_html = NULL;
  90         gsize                  template_len;
  91         gchar                 *footer_html = NULL;
  92         gsize                  footer_len;
  93         GString               *string;
  94         gchar                **strv = NULL;
  95         gchar                 *css_path;
  96         guint                  len = 0;
  97         guint                  i = 0;
  98         gchar                 *basedir_uri;
  99         GValue                *value;
 100         GHashTable            *theme_info;
 101         const gchar           *variant = NULL;
 102         const gchar           *font_family = NULL;
 103         gint                   font_size = 0;
 104         WebKitWebSettings     *webkit_settings;
 105
 106         priv->basedir = g_strconcat (priv->path, G_DIR_SEPARATOR_S "Contents" G_DIR_SEPARATOR_S "Resources" G_DIR_SEPARATOR_S, NULL);
 107         basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
 108
 109         /* Load html files */
 110         file = g_build_filename (priv->basedir, "Incoming", "Content.html", NULL);
 111         g_file_get_contents (file, &priv->in_content_html, &priv->in_content_len, NULL);
 112         g_free (file);
 113
 114         file = g_build_filename (priv->basedir, "Incoming", "NextContent.html", NULL);
 115         g_file_get_contents (file, &priv->in_nextcontent_html, &priv->in_nextcontent_len, NULL);
 116         g_free (file);
 117
 118         file = g_build_filename (priv->basedir, "Outgoing", "Content.html", NULL);
 119         g_file_get_contents (file, &priv->out_content_html, &priv->out_content_len, NULL);
 120         g_free (file);
 121
 122         file = g_build_filename (priv->basedir, "Outgoing", "NextContent.html", NULL);
 123         g_file_get_contents (file, &priv->out_nextcontent_html, &priv->out_nextcontent_len, NULL);
 124         g_free (file);
 125
 126         file = g_build_filename (priv->basedir, "Status.html", NULL);
 127         g_file_get_contents (file, &priv->status_html, &priv->status_len, NULL);
 128         g_free (file);
 129
 130         file = g_build_filename (priv->basedir, "Footer.html", NULL);
 131         g_file_get_contents (file, &footer_html, &footer_len, NULL);
 132         g_free (file);
 133
 134         file = g_build_filename (priv->basedir, "Incoming", "buddy_icon.png", NULL);
 135         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 136                 priv->default_incoming_avatar_filename = file;
 137         } else {
 138                 g_free (file);
 139         }
 140
 141         file = g_build_filename (priv->basedir, "Outgoing", "buddy_icon.png", NULL);
 142         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
 143                 priv->default_outgoing_avatar_filename = file;
 144         } else {
 145                 g_free (file);
 146         }
 147
 148         css_path = g_build_filename (priv->basedir, "main.css", NULL);
 149
 150         /* There is 2 formats for Template.html: The old one has 4 parameters,
 151          * the new one has 5 parameters. */
 152         file = g_build_filename (priv->basedir, "Template.html", NULL);
 153         if (g_file_get_contents (file, &template_html, &template_len, NULL)) {
 154                 strv = g_strsplit (template_html, "%@", -1);
 155                 len = g_strv_length (strv);
 156         }
 157         g_free (file);
 158
 159         if (len != 5 && len != 6) {
 160                 /* Either the theme has no template or it don't have the good
 161                  * number of parameters. Fallback to use our own template. */
 162                 g_free (template_html);
 163                 g_strfreev (strv);
 164
 165                 file = empathy_file_lookup ("Template.html", "data");
 166                 g_file_get_contents (file, &template_html, &template_len, NULL);
 167                 g_free (file);
 168                 strv = g_strsplit (template_html, "%@", -1);
 169                 len = g_strv_length (strv);
 170         }
 171
 172         file = g_build_filename (priv->path, "Contents", "Info.plist", NULL);
 173         value = empathy_plist_parse_from_file (file);
 174         g_free (file);
 175
 176         if (value) {
 177                 theme_info = g_value_get_boxed (value);
 178                 variant = tp_asv_get_string (theme_info, "DefaultVariant");
 179                 font_family = tp_asv_get_string (theme_info, "DefaultFontFamily");
 180                 font_size = tp_asv_get_int32 (theme_info, "DefaultFontSize", NULL);
 181         }
 182
 183         /* Replace %@ with the needed information in the template html. */
 184         string = g_string_sized_new (template_len);
 185         g_string_append (string, strv[i++]);
 186         g_string_append (string, priv->basedir);
 187         g_string_append (string, strv[i++]);
 188         if (len == 6) {
 189                 /* We include main.css by default */
 190                 g_string_append_printf (string, "@import url(\"%s\");", css_path);
 191                 g_string_append (string, strv[i++]);
 192                 if (variant) {
 193                         g_string_append (string, "Variants/");
 194                         g_string_append (string, variant);
 195                         g_string_append (string, ".css");
 196                 }
 197         } else {
 198                 /* FIXME: We should set main.css OR the variant css */
 199                 g_string_append (string, css_path);
 200         }
 201         g_string_append (string, strv[i++]);
 202         g_string_append (string, ""); /* We don't want header */
 203         g_string_append (string, strv[i++]);
 204         /* FIXME: We should replace adium %macros% in footer */
 205         g_string_append (string, footer_html);
 206         g_string_append (string, strv[i++]);
 207         priv->template_html = g_string_free (string, FALSE);
 208
 209         /* Load the template */
 210         webkit_settings = webkit_web_settings_new ();
 211         if (font_family) {
 212                 g_object_set (G_OBJECT (webkit_settings), "default-font-family", font_family, NULL);
 213         }
 214         if (font_size) {
 215                 g_object_set (G_OBJECT (webkit_settings), "default-font-size", font_size, NULL);
 216         }
 217
 218         webkit_web_view_set_settings (WEBKIT_WEB_VIEW (theme), webkit_settings);
 219         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (theme),
 220                                           priv->template_html, basedir_uri);
 221
 222         g_object_unref (webkit_settings);
 223         g_free (basedir_uri);
 224         g_free (footer_html);
 225         g_free (template_html);
 226         g_free (css_path);
 227         g_strfreev (strv);
 228 }
 229
 230 static WebKitNavigationResponse
 231 theme_adium_navigation_requested_cb (WebKitWebView        *view,
 232                                      WebKitWebFrame       *frame,
 233                                      WebKitNetworkRequest *request,
 234                                      gpointer              user_data)
 235 {
 236         const gchar *uri;
 237
 238         uri = webkit_network_request_get_uri (request);
 239         empathy_url_show (GTK_WIDGET (view), uri);
 240
 241         return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 242 }
 243
 244 static void
 245 theme_adium_populate_popup_cb (WebKitWebView *view,
 246                                GtkMenu       *menu,
 247                                gpointer       user_data)
 248 {
 249         GtkWidget *item;
 250
 251         /* Remove default menu items */
 252         gtk_container_foreach (GTK_CONTAINER (menu),
 253                 (GtkCallback) gtk_widget_destroy, NULL);
 254
 255         /* Select all item */
 256         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
 257         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 258         gtk_widget_show (item);
 259
 260         g_signal_connect_swapped (item, "activate",
 261                                   G_CALLBACK (webkit_web_view_select_all),
 262                                   view);
 263
 264         /* Copy menu item */
 265         if (webkit_web_view_can_copy_clipboard (view)) {
 266                 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
 267                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 268                 gtk_widget_show (item);
 269
 270                 g_signal_connect_swapped (item, "activate",
 271                                           G_CALLBACK (webkit_web_view_copy_clipboard),
 272                                           view);
 273         }
 274
 275         /* Clear menu item */
 276         item = gtk_separator_menu_item_new ();
 277         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 278         gtk_widget_show (item);
 279
 280         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
 281         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 282         gtk_widget_show (item);
 283
 284         g_signal_connect_swapped (item, "activate",
 285                                   G_CALLBACK (empathy_chat_view_clear),
 286                                   view);
 287
 288         /* FIXME: Add open_link and copy_link when those bugs are fixed:
 289          * https://bugs.webkit.org/show_bug.cgi?id=16092
 290          * https://bugs.webkit.org/show_bug.cgi?id=16562
 291          */
 292 }
 293
 294 static gchar *
 295 theme_adium_parse_body (EmpathyThemeAdium *theme,
 296                         const gchar       *text)
 297 {
 298         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 299         gboolean               use_smileys = FALSE;
 300         GSList                *smileys, *l;
 301         GString               *string;
 302         gint                   i;
 303         GRegex                *uri_regex;
 304         GMatchInfo            *match_info;
 305         gboolean               match;
 306         gchar                 *ret = NULL;
 307         gint                   prev;
 308
 309         empathy_conf_get_bool (empathy_conf_get (),
 310                                EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
 311                                &use_smileys);
 312
 313         if (use_smileys) {
 314                 /* Replace smileys by a <img/> tag */
 315                 string = g_string_sized_new (strlen (text));
 316                 smileys = empathy_smiley_manager_parse (priv->smiley_manager, text);
 317                 for (l = smileys; l; l = l->next) {
 318                         EmpathySmiley *smiley;
 319
 320                         smiley = l->data;
 321                         if (smiley->path) {
 322                                 g_string_append_printf (string,
 323                                                         "<abbr title='%s'><img src=\"%s\"/ alt=\"%s\"/></abbr>",
 324                                                         smiley->str, smiley->path, smiley->str);
 325                         } else {
 326                                 gchar *str;
 327
 328                                 str = g_markup_escape_text (smiley->str, -1);
 329                                 g_string_append (string, str);
 330                                 g_free (str);
 331                         }
 332                         empathy_smiley_free (smiley);
 333                 }
 334                 g_slist_free (smileys);
 335
 336                 g_free (ret);
 337                 text = ret = g_string_free (string, FALSE);
 338         }
 339
 340         /* Add <a href></a> arround links */
 341         uri_regex = empathy_uri_regex_dup_singleton ();
 342         match = g_regex_match (uri_regex, text, 0, &match_info);
 343         if (match) {
 344                 gint last = 0;
 345                 gint s = 0, e = 0;
 346
 347                 string = g_string_sized_new (strlen (text));
 348                 do {
 349                         g_match_info_fetch_pos (match_info, 0, &s, &e);
 350
 351                         if (s > last) {
 352                                 /* Append the text between last link (or the
 353                                  * start of the message) and this link */
 354                                 g_string_append_len (string, text + last, s - last);
 355                         }
 356
 357                         /* Append the link inside <a href=""></a> tag */
 358                         g_string_append (string, "<a href=\"");
 359                         g_string_append_len (string, text + s, e - s);
 360                         g_string_append (string, "\">");
 361                         g_string_append_len (string, text + s, e - s);
 362                         g_string_append (string, "</a>");
 363
 364                         last = e;
 365                 } while (g_match_info_next (match_info, NULL));
 366
 367                 if (e < strlen (text)) {
 368                         /* Append the text after the last link */
 369                         g_string_append_len (string, text + e, strlen (text) - e);
 370                 }
 371
 372                 g_free (ret);
 373                 text = ret = g_string_free (string, FALSE);
 374         }
 375         g_match_info_free (match_info);
 376         g_regex_unref (uri_regex);
 377
 378         /* Replace \n by <br/> */
 379         string = NULL;
 380         prev = 0;
 381         for (i = 0; text[i] != '\0'; i++) {
 382                 if (text[i] == '\n') {
 383                         if (!string ) {
 384                                 string = g_string_sized_new (strlen (text));
 385                         }
 386                         g_string_append_len (string, text + prev, i - prev);
 387                         g_string_append (string, "<br/>");
 388                         prev = i + 1;
 389                 }
 390         }
 391         if (string) {
 392                 g_string_append (string, text + prev);
 393                 g_free (ret);
 394                 text = ret = g_string_free (string, FALSE);
 395         }
 396
 397         return ret;
 398 }
 399
 400 static void
 401 escape_and_append_len (GString *string, const gchar *str, gint len)
 402 {
 403         while (*str != '\0' && len != 0) {
 404                 switch (*str) {
 405                 case '\\':
 406                         /* \ becomes \\ */
 407                         g_string_append (string, "\\\\");
 408                         break;
 409                 case '\"':
 410                         /* " becomes \" */
 411                         g_string_append (string, "\\\"");
 412                         break;
 413                 case '\n':
 414                         /* Remove end of lines */
 415                         break;
 416                 default:
 417                         g_string_append_c (string, *str);
 418                 }
 419
 420                 str++;
 421                 len--;
 422         }
 423 }
 424
 425 static gboolean
 426 theme_adium_match (const gchar **str, const gchar *match)
 427 {
 428         gint len;
 429
 430         len = strlen (match);
 431         if (strncmp (*str, match, len) == 0) {
 432                 *str += len - 1;
 433                 return TRUE;
 434         }
 435
 436         return FALSE;
 437 }
 438
 439 static void
 440 theme_adium_append_html (EmpathyThemeAdium *theme,
 441                          const gchar       *func,
 442                          const gchar       *html, gsize len,
 443                          const gchar       *message,
 444                          const gchar       *avatar_filename,
 445                          const gchar       *name,
 446                          const gchar       *contact_id,
 447                          const gchar       *service_name,
 448                          const gchar       *message_classes,
 449                          time_t             timestamp)
 450 {
 451         GString     *string;
 452         const gchar *cur = NULL;
 453         gchar       *script;
 454
 455         /* Make some search-and-replace in the html code */
 456         string = g_string_sized_new (len + strlen (message));
 457         g_string_append_printf (string, "%s(\"", func);
 458         for (cur = html; *cur != '\0'; cur++) {
 459                 const gchar *replace = NULL;
 460                 gchar       *dup_replace = NULL;
 461
 462                 if (theme_adium_match (&cur, "%message%")) {
 463                         replace = message;
 464                 } else if (theme_adium_match (&cur, "%messageClasses%")) {
 465                         replace = message_classes;
 466                 } else if (theme_adium_match (&cur, "%userIconPath%")) {
 467                         replace = avatar_filename;
 468                 } else if (theme_adium_match (&cur, "%sender%")) {
 469                         replace = name;
 470                 } else if (theme_adium_match (&cur, "%senderScreenName%")) {
 471                         replace = contact_id;
 472                 } else if (theme_adium_match (&cur, "%senderDisplayName%")) {
 473                         /* %senderDisplayName% -
 474                          * "The serverside (remotely set) name of the sender,
 475                          *  such as an MSN display name."
 476                          *
 477                          * We don't have access to that yet so we use local
 478                          * alias instead.*/
 479                         replace = name;
 480                 } else if (theme_adium_match (&cur, "%service%")) {
 481                         replace = service_name;
 482                 } else if (theme_adium_match (&cur, "%shortTime%")) {
 483                         dup_replace = empathy_time_to_string_local (timestamp,
 484                                 EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 485                         replace = dup_replace;
 486                 } else if (theme_adium_match (&cur, "%time")) {
 487                         gchar *format = NULL;
 488                         gchar *end;
 489
 490                         /* Time can be in 2 formats:
 491                          * %time% or %time{strftime format}%
 492                          * Extract the time format if provided. */
 493                         if (cur[1] == '{') {
 494                                 cur += 2;
 495                                 end = strstr (cur, "}%");
 496                                 if (!end) {
 497                                         /* Invalid string */
 498                                         continue;
 499                                 }
 500                                 format = g_strndup (cur, end - cur);
 501                                 cur = end + 1;
 502                         } else {
 503                                 cur++;
 504                         }
 505
 506                         dup_replace = empathy_time_to_string_local (timestamp,
 507                                 format ? format : EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 508                         replace = dup_replace;
 509                         g_free (format);
 510                 } else {
 511                         escape_and_append_len (string, cur, 1);
 512                         continue;
 513                 }
 514
 515                 /* Here we have a replacement to make */
 516                 escape_and_append_len (string, replace, -1);
 517                 g_free (dup_replace);
 518         }
 519         g_string_append (string, "\")");
 520
 521         script = g_string_free (string, FALSE);
 522         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (theme), script);
 523         g_free (script);
 524 }
 525
 526 static void
 527 theme_adium_append_message (EmpathyChatView *view,
 528                             EmpathyMessage  *msg)
 529 {
 530         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 531         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 532         EmpathyContact        *sender;
 533         McAccount             *account;
 534         McProfile             *account_profile;
 535         gchar                 *dup_body = NULL;
 536         const gchar           *body;
 537         const gchar           *name;
 538         const gchar           *contact_id;
 539         EmpathyAvatar         *avatar;
 540         const gchar           *avatar_filename = NULL;
 541         time_t                 timestamp;
 542         gchar                 *html = NULL;
 543         gsize                  len = 0;
 544         const gchar           *func;
 545         const gchar           *service_name;
 546         const gchar           *message_classes = NULL;
 547
 548         if (!priv->page_loaded) {
 549                 priv->message_queue = g_list_prepend (priv->message_queue,
 550                                                       g_object_ref (msg));
 551                 return;
 552         }
 553
 554         /* Get information */
 555         sender = empathy_message_get_sender (msg);
 556         account = empathy_contact_get_account (sender);
 557         account_profile = mc_account_get_profile (account);
 558         service_name = mc_profile_get_display_name (account_profile);
 559         timestamp = empathy_message_get_timestamp (msg);
 560         body = empathy_message_get_body (msg);
 561         dup_body = theme_adium_parse_body (theme, body);
 562         if (dup_body) {
 563                 body = dup_body;
 564         }
 565         name = empathy_contact_get_name (sender);
 566         contact_id = empathy_contact_get_id (sender);
 567
 568         /* If this is a /me, append an event */
 569         if (empathy_message_get_tptype (msg) == TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION) {
 570                 gchar *str;
 571
 572                 str = g_strdup_printf ("%s %s", name, body);
 573                 empathy_chat_view_append_event (view, str);
 574                 g_free (str);
 575                 g_free (dup_body);
 576                 return;
 577         }
 578
 579         /* Get the avatar filename, or a fallback */
 580         avatar = empathy_contact_get_avatar (sender);
 581         if (avatar) {
 582                 avatar_filename = avatar->filename;
 583         }
 584         if (!avatar_filename) {
 585                 if (empathy_contact_is_user (sender)) {
 586                         avatar_filename = priv->default_outgoing_avatar_filename;
 587                 } else {
 588                         avatar_filename = priv->default_incoming_avatar_filename;
 589                 }
 590                 if (!avatar_filename) {
 591                         if (!priv->default_avatar_filename) {
 592                                 priv->default_avatar_filename =
 593                                         empathy_filename_from_icon_name ("stock_person",
 594                                                                          GTK_ICON_SIZE_DIALOG);
 595                         }
 596                         avatar_filename = priv->default_avatar_filename;
 597                 }
 598         }
 599
 600         /* Get the right html/func to add the message */
 601         func = "appendMessage";
 602         /*
 603          * To mimick Adium's behavior, we only want to join messages
 604          * sent within a 5 minute time frame.
 605          */
 606         if (empathy_contact_equal (priv->last_contact, sender) &&
 607             (timestamp - priv->last_timestamp < MESSAGE_JOIN_PERIOD)) {
 608                 func = "appendNextMessage";
 609                 if (empathy_contact_is_user (sender)) {
 610                         message_classes = "consecutive incoming message";
 611                         html = priv->out_nextcontent_html;
 612                         len = priv->out_nextcontent_len;
 613                 }
 614                 if (!html) {
 615                         message_classes = "consecutive message outgoing";
 616                         html = priv->in_nextcontent_html;
 617                         len = priv->in_nextcontent_len;
 618                 }
 619         }
 620         if (!html) {
 621                 if (empathy_contact_is_user (sender)) {
 622                         if (!message_classes) {
 623                                 message_classes = "incoming message";
 624                         }
 625                         html = priv->out_content_html;
 626                         len = priv->out_content_len;
 627                 }
 628                 if (!html) {
 629                         if (!message_classes) {
 630                                 message_classes = "message outgoing";
 631                         }
 632                         html = priv->in_content_html;
 633                         len = priv->in_content_len;
 634                 }
 635         }
 636
 637         theme_adium_append_html (theme, func, html, len, body, avatar_filename,
 638                                  name, contact_id, service_name, message_classes,
 639                                  timestamp);
 640
 641         /* Keep the sender of the last displayed message */
 642         if (priv->last_contact) {
 643                 g_object_unref (priv->last_contact);
 644         }
 645         priv->last_contact = g_object_ref (sender);
 646         priv->last_timestamp = timestamp;
 647
 648         g_free (dup_body);
 649 }
 650
 651 static void
 652 theme_adium_append_event (EmpathyChatView *view,
 653                           const gchar     *str)
 654 {
 655         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 656         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 657
 658         if (priv->status_html) {
 659                 theme_adium_append_html (theme, "appendMessage",
 660                                          priv->status_html, priv->status_len,
 661                                          str, NULL, NULL, NULL, NULL, "event",
 662                                          empathy_time_get_current ());
 663         }
 664
 665         /* There is no last contact */
 666         if (priv->last_contact) {
 667                 g_object_unref (priv->last_contact);
 668                 priv->last_contact = NULL;
 669         }
 670 }
 671
 672 static void
 673 theme_adium_scroll (EmpathyChatView *view,
 674                     gboolean         allow_scrolling)
 675 {
 676         /* FIXME: Is it possible? I guess we need a js function, but I don't
 677          * see any... */
 678 }
 679
 680 static void
 681 theme_adium_scroll_down (EmpathyChatView *view)
 682 {
 683         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (view), "scrollToBottom()");
 684 }
 685
 686 static gboolean
 687 theme_adium_get_has_selection (EmpathyChatView *view)
 688 {
 689         return webkit_web_view_has_selection (WEBKIT_WEB_VIEW (view));
 690 }
 691
 692 static void
 693 theme_adium_clear (EmpathyChatView *view)
 694 {
 695         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 696         gchar *basedir_uri;
 697
 698         priv->page_loaded = FALSE;
 699         basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
 700         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (view),
 701                                           priv->template_html, basedir_uri);
 702         g_free (basedir_uri);
 703 }
 704
 705 static gboolean
 706 theme_adium_find_previous (EmpathyChatView *view,
 707                            const gchar     *search_criteria,
 708                            gboolean         new_search)
 709 {
 710         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 711                                             search_criteria, FALSE,
 712                                             FALSE, TRUE);
 713 }
 714
 715 static gboolean
 716 theme_adium_find_next (EmpathyChatView *view,
 717                        const gchar     *search_criteria,
 718                        gboolean         new_search)
 719 {
 720         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 721                                             search_criteria, FALSE,
 722                                             TRUE, TRUE);
 723 }
 724
 725 static void
 726 theme_adium_find_abilities (EmpathyChatView *view,
 727                             const gchar    *search_criteria,
 728                             gboolean       *can_do_previous,
 729                             gboolean       *can_do_next)
 730 {
 731         /* FIXME: Does webkit provide an API for that? We have wrap=true in
 732          * find_next and find_previous to work around this problem. */
 733         if (can_do_previous)
 734                 *can_do_previous = TRUE;
 735         if (can_do_next)
 736                 *can_do_next = TRUE;
 737 }
 738
 739 static void
 740 theme_adium_highlight (EmpathyChatView *view,
 741                        const gchar     *text)
 742 {
 743         webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
 744         webkit_web_view_mark_text_matches (WEBKIT_WEB_VIEW (view),
 745                                            text, FALSE, 0);
 746         webkit_web_view_set_highlight_text_matches (WEBKIT_WEB_VIEW (view),
 747                                                     TRUE);
 748 }
 749
 750 static void
 751 theme_adium_copy_clipboard (EmpathyChatView *view)
 752 {
 753         webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
 754 }
 755
 756 static void
 757 theme_adium_iface_init (EmpathyChatViewIface *iface)
 758 {
 759         iface->append_message = theme_adium_append_message;
 760         iface->append_event = theme_adium_append_event;
 761         iface->scroll = theme_adium_scroll;
 762         iface->scroll_down = theme_adium_scroll_down;
 763         iface->get_has_selection = theme_adium_get_has_selection;
 764         iface->clear = theme_adium_clear;
 765         iface->find_previous = theme_adium_find_previous;
 766         iface->find_next = theme_adium_find_next;
 767         iface->find_abilities = theme_adium_find_abilities;
 768         iface->highlight = theme_adium_highlight;
 769         iface->copy_clipboard = theme_adium_copy_clipboard;
 770 }
 771
 772 static void
 773 theme_adium_load_finished_cb (WebKitWebView  *view,
 774                               WebKitWebFrame *frame,
 775                               gpointer        user_data)
 776 {
 777         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 778         EmpathyChatView       *chat_view = EMPATHY_CHAT_VIEW (view);
 779
 780         DEBUG ("Page loaded");
 781         priv->page_loaded = TRUE;
 782
 783         /* Display queued messages */
 784         priv->message_queue = g_list_reverse (priv->message_queue);
 785         while (priv->message_queue) {
 786                 EmpathyMessage *message = priv->message_queue->data;
 787
 788                 theme_adium_append_message (chat_view, message);
 789                 priv->message_queue = g_list_remove (priv->message_queue, message);
 790                 g_object_unref (message);
 791         }
 792 }
 793
 794 static void
 795 theme_adium_finalize (GObject *object)
 796 {
 797         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 798
 799         g_free (priv->basedir);
 800         g_free (priv->template_html);
 801         g_free (priv->in_content_html);
 802         g_free (priv->in_nextcontent_html);
 803         g_free (priv->out_content_html);
 804         g_free (priv->out_nextcontent_html);
 805         g_free (priv->default_avatar_filename);
 806         g_free (priv->default_incoming_avatar_filename);
 807         g_free (priv->default_outgoing_avatar_filename);
 808         g_free (priv->path);
 809         g_free (priv->status_html);
 810
 811         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->finalize (object);
 812 }
 813
 814 static void
 815 theme_adium_dispose (GObject *object)
 816 {
 817         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 818
 819         if (priv->smiley_manager) {
 820                 g_object_unref (priv->smiley_manager);
 821                 priv->smiley_manager = NULL;
 822         }
 823
 824         if (priv->last_contact) {
 825                 g_object_unref (priv->last_contact);
 826                 priv->last_contact = NULL;
 827         }
 828
 829         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->dispose (object);
 830 }
 831
 832 static void
 833 theme_adium_constructed (GObject *object)
 834 {
 835         theme_adium_load (EMPATHY_THEME_ADIUM (object));
 836 }
 837
 838 static void
 839 theme_adium_get_property (GObject    *object,
 840                           guint       param_id,
 841                           GValue     *value,
 842                           GParamSpec *pspec)
 843 {
 844         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 845
 846         switch (param_id) {
 847         case PROP_PATH:
 848                 g_value_set_string (value, priv->path);
 849                 break;
 850         default:
 851                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 852                 break;
 853         };
 854 }
 855
 856 static void
 857 theme_adium_set_property (GObject      *object,
 858                           guint         param_id,
 859                           const GValue *value,
 860                           GParamSpec   *pspec)
 861 {
 862         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 863
 864         switch (param_id) {
 865         case PROP_PATH:
 866                 g_free (priv->path);
 867                 priv->path = g_value_dup_string (value);
 868                 break;
 869         default:
 870                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 871                 break;
 872         };
 873 }
 874
 875 static void
 876 empathy_theme_adium_class_init (EmpathyThemeAdiumClass *klass)
 877 {
 878         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 879
 880         object_class->finalize = theme_adium_finalize;
 881         object_class->dispose = theme_adium_dispose;
 882         object_class->constructed = theme_adium_constructed;
 883         object_class->get_property = theme_adium_get_property;
 884         object_class->set_property = theme_adium_set_property;
 885
 886         g_object_class_install_property (object_class,
 887                                          PROP_PATH,
 888                                          g_param_spec_string ("path",
 889                                                               "The theme path",
 890                                                               "Path to the adium theme",
 891                                                               g_get_home_dir (),
 892                                                               G_PARAM_CONSTRUCT_ONLY |
 893                                                               G_PARAM_READWRITE));
 894
 895
 896         g_type_class_add_private (object_class, sizeof (EmpathyThemeAdiumPriv));
 897 }
 898
 899 static void
 900 empathy_theme_adium_init (EmpathyThemeAdium *theme)
 901 {
 902         EmpathyThemeAdiumPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (theme,
 903                 EMPATHY_TYPE_THEME_ADIUM, EmpathyThemeAdiumPriv);
 904
 905         theme->priv = priv;
 906
 907         priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
 908
 909         g_signal_connect (theme, "load-finished",
 910                           G_CALLBACK (theme_adium_load_finished_cb),
 911                           NULL);
 912         g_signal_connect (theme, "navigation-requested",
 913                           G_CALLBACK (theme_adium_navigation_requested_cb),
 914                           NULL);
 915         g_signal_connect (theme, "populate-popup",
 916                           G_CALLBACK (theme_adium_populate_popup_cb),
 917                           NULL);
 918 }
 919
 920 EmpathyThemeAdium *
 921 empathy_theme_adium_new (const gchar *path)
 922 {
 923         g_return_val_if_fail (empathy_theme_adium_is_valid (path), NULL);
 924
 925         return g_object_new (EMPATHY_TYPE_THEME_ADIUM,
 926                              "path", path,
 927                              NULL);
 928 }
 929
 930 gboolean
 931 empathy_theme_adium_is_valid (const gchar *path)
 932 {
 933         gboolean ret;
 934         gchar   *file;
 935
 936         /* We ship a default Template.html as fallback if there is any problem
 937          * with the one inside the theme. The only other required file is
 938          * Content.html for incoming messages (outgoing fallback to use
 939          * incoming). */
 940         file = g_build_filename (path, "Contents", "Resources", "Incoming",
 941                                  "Content.html", NULL);
 942         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 943         g_free (file);
 944
 945         return ret;
 946 }
 947