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         if (footer_html) {
 206                 g_string_append (string, footer_html);
 207         }
 208         g_string_append (string, strv[i++]);
 209         priv->template_html = g_string_free (string, FALSE);
 210
 211         /* Load the template */
 212         webkit_settings = webkit_web_settings_new ();
 213         if (font_family) {
 214                 g_object_set (G_OBJECT (webkit_settings), "default-font-family", font_family, NULL);
 215         }
 216         if (font_size) {
 217                 g_object_set (G_OBJECT (webkit_settings), "default-font-size", font_size, NULL);
 218         }
 219
 220         webkit_web_view_set_settings (WEBKIT_WEB_VIEW (theme), webkit_settings);
 221         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (theme),
 222                                           priv->template_html, basedir_uri);
 223
 224         g_object_unref (webkit_settings);
 225         g_free (basedir_uri);
 226         g_free (footer_html);
 227         g_free (template_html);
 228         g_free (css_path);
 229         g_strfreev (strv);
 230 }
 231
 232 static WebKitNavigationResponse
 233 theme_adium_navigation_requested_cb (WebKitWebView        *view,
 234                                      WebKitWebFrame       *frame,
 235                                      WebKitNetworkRequest *request,
 236                                      gpointer              user_data)
 237 {
 238         const gchar *uri;
 239
 240         uri = webkit_network_request_get_uri (request);
 241         empathy_url_show (GTK_WIDGET (view), uri);
 242
 243         return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 244 }
 245
 246 static void
 247 theme_adium_populate_popup_cb (WebKitWebView *view,
 248                                GtkMenu       *menu,
 249                                gpointer       user_data)
 250 {
 251         GtkWidget *item;
 252
 253         /* Remove default menu items */
 254         gtk_container_foreach (GTK_CONTAINER (menu),
 255                 (GtkCallback) gtk_widget_destroy, NULL);
 256
 257         /* Select all item */
 258         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
 259         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 260         gtk_widget_show (item);
 261
 262         g_signal_connect_swapped (item, "activate",
 263                                   G_CALLBACK (webkit_web_view_select_all),
 264                                   view);
 265
 266         /* Copy menu item */
 267         if (webkit_web_view_can_copy_clipboard (view)) {
 268                 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
 269                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 270                 gtk_widget_show (item);
 271
 272                 g_signal_connect_swapped (item, "activate",
 273                                           G_CALLBACK (webkit_web_view_copy_clipboard),
 274                                           view);
 275         }
 276
 277         /* Clear menu item */
 278         item = gtk_separator_menu_item_new ();
 279         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 280         gtk_widget_show (item);
 281
 282         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
 283         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 284         gtk_widget_show (item);
 285
 286         g_signal_connect_swapped (item, "activate",
 287                                   G_CALLBACK (empathy_chat_view_clear),
 288                                   view);
 289
 290         /* FIXME: Add open_link and copy_link when those bugs are fixed:
 291          * https://bugs.webkit.org/show_bug.cgi?id=16092
 292          * https://bugs.webkit.org/show_bug.cgi?id=16562
 293          */
 294 }
 295
 296 static gchar *
 297 theme_adium_parse_body (EmpathyThemeAdium *theme,
 298                         const gchar       *text)
 299 {
 300         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 301         gboolean               use_smileys = FALSE;
 302         GSList                *smileys, *l;
 303         GString               *string;
 304         gint                   i;
 305         GRegex                *uri_regex;
 306         GMatchInfo            *match_info;
 307         gboolean               match;
 308         gchar                 *ret = NULL;
 309         gint                   prev;
 310
 311         empathy_conf_get_bool (empathy_conf_get (),
 312                                EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
 313                                &use_smileys);
 314
 315         if (use_smileys) {
 316                 /* Replace smileys by a <img/> tag */
 317                 string = g_string_sized_new (strlen (text));
 318                 smileys = empathy_smiley_manager_parse (priv->smiley_manager, text);
 319                 for (l = smileys; l; l = l->next) {
 320                         EmpathySmiley *smiley;
 321
 322                         smiley = l->data;
 323                         if (smiley->path) {
 324                                 g_string_append_printf (string,
 325                                                         "<abbr title='%s'><img src=\"%s\"/ alt=\"%s\"/></abbr>",
 326                                                         smiley->str, smiley->path, smiley->str);
 327                         } else {
 328                                 gchar *str;
 329
 330                                 str = g_markup_escape_text (smiley->str, -1);
 331                                 g_string_append (string, str);
 332                                 g_free (str);
 333                         }
 334                         empathy_smiley_free (smiley);
 335                 }
 336                 g_slist_free (smileys);
 337
 338                 g_free (ret);
 339                 text = ret = g_string_free (string, FALSE);
 340         }
 341
 342         /* Add <a href></a> arround links */
 343         uri_regex = empathy_uri_regex_dup_singleton ();
 344         match = g_regex_match (uri_regex, text, 0, &match_info);
 345         if (match) {
 346                 gint last = 0;
 347                 gint s = 0, e = 0;
 348
 349                 string = g_string_sized_new (strlen (text));
 350                 do {
 351                         g_match_info_fetch_pos (match_info, 0, &s, &e);
 352
 353                         if (s > last) {
 354                                 /* Append the text between last link (or the
 355                                  * start of the message) and this link */
 356                                 g_string_append_len (string, text + last, s - last);
 357                         }
 358
 359                         /* Append the link inside <a href=""></a> tag */
 360                         g_string_append (string, "<a href=\"");
 361                         g_string_append_len (string, text + s, e - s);
 362                         g_string_append (string, "\">");
 363                         g_string_append_len (string, text + s, e - s);
 364                         g_string_append (string, "</a>");
 365
 366                         last = e;
 367                 } while (g_match_info_next (match_info, NULL));
 368
 369                 if (e < strlen (text)) {
 370                         /* Append the text after the last link */
 371                         g_string_append_len (string, text + e, strlen (text) - e);
 372                 }
 373
 374                 g_free (ret);
 375                 text = ret = g_string_free (string, FALSE);
 376         }
 377         g_match_info_free (match_info);
 378         g_regex_unref (uri_regex);
 379
 380         /* Replace \n by <br/> */
 381         string = NULL;
 382         prev = 0;
 383         for (i = 0; text[i] != '\0'; i++) {
 384                 if (text[i] == '\n') {
 385                         if (!string ) {
 386                                 string = g_string_sized_new (strlen (text));
 387                         }
 388                         g_string_append_len (string, text + prev, i - prev);
 389                         g_string_append (string, "<br/>");
 390                         prev = i + 1;
 391                 }
 392         }
 393         if (string) {
 394                 g_string_append (string, text + prev);
 395                 g_free (ret);
 396                 text = ret = g_string_free (string, FALSE);
 397         }
 398
 399         return ret;
 400 }
 401
 402 static void
 403 escape_and_append_len (GString *string, const gchar *str, gint len)
 404 {
 405         while (*str != '\0' && len != 0) {
 406                 switch (*str) {
 407                 case '\\':
 408                         /* \ becomes \\ */
 409                         g_string_append (string, "\\\\");
 410                         break;
 411                 case '\"':
 412                         /* " becomes \" */
 413                         g_string_append (string, "\\\"");
 414                         break;
 415                 case '\n':
 416                         /* Remove end of lines */
 417                         break;
 418                 default:
 419                         g_string_append_c (string, *str);
 420                 }
 421
 422                 str++;
 423                 len--;
 424         }
 425 }
 426
 427 static gboolean
 428 theme_adium_match (const gchar **str, const gchar *match)
 429 {
 430         gint len;
 431
 432         len = strlen (match);
 433         if (strncmp (*str, match, len) == 0) {
 434                 *str += len - 1;
 435                 return TRUE;
 436         }
 437
 438         return FALSE;
 439 }
 440
 441 static void
 442 theme_adium_append_html (EmpathyThemeAdium *theme,
 443                          const gchar       *func,
 444                          const gchar       *html, gsize len,
 445                          const gchar       *message,
 446                          const gchar       *avatar_filename,
 447                          const gchar       *name,
 448                          const gchar       *contact_id,
 449                          const gchar       *service_name,
 450                          const gchar       *message_classes,
 451                          time_t             timestamp)
 452 {
 453         GString     *string;
 454         const gchar *cur = NULL;
 455         gchar       *script;
 456
 457         /* Make some search-and-replace in the html code */
 458         string = g_string_sized_new (len + strlen (message));
 459         g_string_append_printf (string, "%s(\"", func);
 460         for (cur = html; *cur != '\0'; cur++) {
 461                 const gchar *replace = NULL;
 462                 gchar       *dup_replace = NULL;
 463
 464                 if (theme_adium_match (&cur, "%message%")) {
 465                         replace = message;
 466                 } else if (theme_adium_match (&cur, "%messageClasses%")) {
 467                         replace = message_classes;
 468                 } else if (theme_adium_match (&cur, "%userIconPath%")) {
 469                         replace = avatar_filename;
 470                 } else if (theme_adium_match (&cur, "%sender%")) {
 471                         replace = name;
 472                 } else if (theme_adium_match (&cur, "%senderScreenName%")) {
 473                         replace = contact_id;
 474                 } else if (theme_adium_match (&cur, "%senderDisplayName%")) {
 475                         /* %senderDisplayName% -
 476                          * "The serverside (remotely set) name of the sender,
 477                          *  such as an MSN display name."
 478                          *
 479                          * We don't have access to that yet so we use local
 480                          * alias instead.*/
 481                         replace = name;
 482                 } else if (theme_adium_match (&cur, "%service%")) {
 483                         replace = service_name;
 484                 } else if (theme_adium_match (&cur, "%shortTime%")) {
 485                         dup_replace = empathy_time_to_string_local (timestamp,
 486                                 EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 487                         replace = dup_replace;
 488                 } else if (theme_adium_match (&cur, "%time")) {
 489                         gchar *format = NULL;
 490                         gchar *end;
 491
 492                         /* Time can be in 2 formats:
 493                          * %time% or %time{strftime format}%
 494                          * Extract the time format if provided. */
 495                         if (cur[1] == '{') {
 496                                 cur += 2;
 497                                 end = strstr (cur, "}%");
 498                                 if (!end) {
 499                                         /* Invalid string */
 500                                         continue;
 501                                 }
 502                                 format = g_strndup (cur, end - cur);
 503                                 cur = end + 1;
 504                         } else {
 505                                 cur++;
 506                         }
 507
 508                         dup_replace = empathy_time_to_string_local (timestamp,
 509                                 format ? format : EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 510                         replace = dup_replace;
 511                         g_free (format);
 512                 } else {
 513                         escape_and_append_len (string, cur, 1);
 514                         continue;
 515                 }
 516
 517                 /* Here we have a replacement to make */
 518                 escape_and_append_len (string, replace, -1);
 519                 g_free (dup_replace);
 520         }
 521         g_string_append (string, "\")");
 522
 523         script = g_string_free (string, FALSE);
 524         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (theme), script);
 525         g_free (script);
 526 }
 527
 528 static void
 529 theme_adium_append_message (EmpathyChatView *view,
 530                             EmpathyMessage  *msg)
 531 {
 532         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 533         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 534         EmpathyContact        *sender;
 535         McAccount             *account;
 536         McProfile             *account_profile;
 537         gchar                 *dup_body = NULL;
 538         const gchar           *body;
 539         const gchar           *name;
 540         const gchar           *contact_id;
 541         EmpathyAvatar         *avatar;
 542         const gchar           *avatar_filename = NULL;
 543         time_t                 timestamp;
 544         gchar                 *html = NULL;
 545         gsize                  len = 0;
 546         const gchar           *func;
 547         const gchar           *service_name;
 548         const gchar           *message_classes = NULL;
 549
 550         if (!priv->page_loaded) {
 551                 priv->message_queue = g_list_prepend (priv->message_queue,
 552                                                       g_object_ref (msg));
 553                 return;
 554         }
 555
 556         /* Get information */
 557         sender = empathy_message_get_sender (msg);
 558         account = empathy_contact_get_account (sender);
 559         account_profile = mc_account_get_profile (account);
 560         service_name = mc_profile_get_display_name (account_profile);
 561         timestamp = empathy_message_get_timestamp (msg);
 562         body = empathy_message_get_body (msg);
 563         dup_body = theme_adium_parse_body (theme, body);
 564         if (dup_body) {
 565                 body = dup_body;
 566         }
 567         name = empathy_contact_get_name (sender);
 568         contact_id = empathy_contact_get_id (sender);
 569
 570         /* If this is a /me, append an event */
 571         if (empathy_message_get_tptype (msg) == TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION) {
 572                 gchar *str;
 573
 574                 str = g_strdup_printf ("%s %s", name, body);
 575                 empathy_chat_view_append_event (view, str);
 576                 g_free (str);
 577                 g_free (dup_body);
 578                 return;
 579         }
 580
 581         /* Get the avatar filename, or a fallback */
 582         avatar = empathy_contact_get_avatar (sender);
 583         if (avatar) {
 584                 avatar_filename = avatar->filename;
 585         }
 586         if (!avatar_filename) {
 587                 if (empathy_contact_is_user (sender)) {
 588                         avatar_filename = priv->default_outgoing_avatar_filename;
 589                 } else {
 590                         avatar_filename = priv->default_incoming_avatar_filename;
 591                 }
 592                 if (!avatar_filename) {
 593                         if (!priv->default_avatar_filename) {
 594                                 priv->default_avatar_filename =
 595                                         empathy_filename_from_icon_name ("stock_person",
 596                                                                          GTK_ICON_SIZE_DIALOG);
 597                         }
 598                         avatar_filename = priv->default_avatar_filename;
 599                 }
 600         }
 601
 602         /* Get the right html/func to add the message */
 603         func = "appendMessage";
 604         /*
 605          * To mimick Adium's behavior, we only want to join messages
 606          * sent within a 5 minute time frame.
 607          */
 608         if (empathy_contact_equal (priv->last_contact, sender) &&
 609             (timestamp - priv->last_timestamp < MESSAGE_JOIN_PERIOD)) {
 610                 func = "appendNextMessage";
 611                 if (empathy_contact_is_user (sender)) {
 612                         message_classes = "consecutive incoming message";
 613                         html = priv->out_nextcontent_html;
 614                         len = priv->out_nextcontent_len;
 615                 }
 616                 if (!html) {
 617                         message_classes = "consecutive message outgoing";
 618                         html = priv->in_nextcontent_html;
 619                         len = priv->in_nextcontent_len;
 620                 }
 621         }
 622         if (!html) {
 623                 if (empathy_contact_is_user (sender)) {
 624                         if (!message_classes) {
 625                                 message_classes = "incoming message";
 626                         }
 627                         html = priv->out_content_html;
 628                         len = priv->out_content_len;
 629                 }
 630                 if (!html) {
 631                         if (!message_classes) {
 632                                 message_classes = "message outgoing";
 633                         }
 634                         html = priv->in_content_html;
 635                         len = priv->in_content_len;
 636                 }
 637         }
 638
 639         theme_adium_append_html (theme, func, html, len, body, avatar_filename,
 640                                  name, contact_id, service_name, message_classes,
 641                                  timestamp);
 642
 643         /* Keep the sender of the last displayed message */
 644         if (priv->last_contact) {
 645                 g_object_unref (priv->last_contact);
 646         }
 647         priv->last_contact = g_object_ref (sender);
 648         priv->last_timestamp = timestamp;
 649
 650         g_free (dup_body);
 651 }
 652
 653 static void
 654 theme_adium_append_event (EmpathyChatView *view,
 655                           const gchar     *str)
 656 {
 657         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 658         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 659
 660         if (priv->status_html) {
 661                 theme_adium_append_html (theme, "appendMessage",
 662                                          priv->status_html, priv->status_len,
 663                                          str, NULL, NULL, NULL, NULL, "event",
 664                                          empathy_time_get_current ());
 665         }
 666
 667         /* There is no last contact */
 668         if (priv->last_contact) {
 669                 g_object_unref (priv->last_contact);
 670                 priv->last_contact = NULL;
 671         }
 672 }
 673
 674 static void
 675 theme_adium_scroll (EmpathyChatView *view,
 676                     gboolean         allow_scrolling)
 677 {
 678         /* FIXME: Is it possible? I guess we need a js function, but I don't
 679          * see any... */
 680 }
 681
 682 static void
 683 theme_adium_scroll_down (EmpathyChatView *view)
 684 {
 685         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (view), "scrollToBottom()");
 686 }
 687
 688 static gboolean
 689 theme_adium_get_has_selection (EmpathyChatView *view)
 690 {
 691         return webkit_web_view_has_selection (WEBKIT_WEB_VIEW (view));
 692 }
 693
 694 static void
 695 theme_adium_clear (EmpathyChatView *view)
 696 {
 697         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 698         gchar *basedir_uri;
 699
 700         priv->page_loaded = FALSE;
 701         basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
 702         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (view),
 703                                           priv->template_html, basedir_uri);
 704         g_free (basedir_uri);
 705 }
 706
 707 static gboolean
 708 theme_adium_find_previous (EmpathyChatView *view,
 709                            const gchar     *search_criteria,
 710                            gboolean         new_search)
 711 {
 712         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 713                                             search_criteria, FALSE,
 714                                             FALSE, TRUE);
 715 }
 716
 717 static gboolean
 718 theme_adium_find_next (EmpathyChatView *view,
 719                        const gchar     *search_criteria,
 720                        gboolean         new_search)
 721 {
 722         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 723                                             search_criteria, FALSE,
 724                                             TRUE, TRUE);
 725 }
 726
 727 static void
 728 theme_adium_find_abilities (EmpathyChatView *view,
 729                             const gchar    *search_criteria,
 730                             gboolean       *can_do_previous,
 731                             gboolean       *can_do_next)
 732 {
 733         /* FIXME: Does webkit provide an API for that? We have wrap=true in
 734          * find_next and find_previous to work around this problem. */
 735         if (can_do_previous)
 736                 *can_do_previous = TRUE;
 737         if (can_do_next)
 738                 *can_do_next = TRUE;
 739 }
 740
 741 static void
 742 theme_adium_highlight (EmpathyChatView *view,
 743                        const gchar     *text)
 744 {
 745         webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
 746         webkit_web_view_mark_text_matches (WEBKIT_WEB_VIEW (view),
 747                                            text, FALSE, 0);
 748         webkit_web_view_set_highlight_text_matches (WEBKIT_WEB_VIEW (view),
 749                                                     TRUE);
 750 }
 751
 752 static void
 753 theme_adium_copy_clipboard (EmpathyChatView *view)
 754 {
 755         webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
 756 }
 757
 758 static void
 759 theme_adium_iface_init (EmpathyChatViewIface *iface)
 760 {
 761         iface->append_message = theme_adium_append_message;
 762         iface->append_event = theme_adium_append_event;
 763         iface->scroll = theme_adium_scroll;
 764         iface->scroll_down = theme_adium_scroll_down;
 765         iface->get_has_selection = theme_adium_get_has_selection;
 766         iface->clear = theme_adium_clear;
 767         iface->find_previous = theme_adium_find_previous;
 768         iface->find_next = theme_adium_find_next;
 769         iface->find_abilities = theme_adium_find_abilities;
 770         iface->highlight = theme_adium_highlight;
 771         iface->copy_clipboard = theme_adium_copy_clipboard;
 772 }
 773
 774 static void
 775 theme_adium_load_finished_cb (WebKitWebView  *view,
 776                               WebKitWebFrame *frame,
 777                               gpointer        user_data)
 778 {
 779         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 780         EmpathyChatView       *chat_view = EMPATHY_CHAT_VIEW (view);
 781
 782         DEBUG ("Page loaded");
 783         priv->page_loaded = TRUE;
 784
 785         /* Display queued messages */
 786         priv->message_queue = g_list_reverse (priv->message_queue);
 787         while (priv->message_queue) {
 788                 EmpathyMessage *message = priv->message_queue->data;
 789
 790                 theme_adium_append_message (chat_view, message);
 791                 priv->message_queue = g_list_remove (priv->message_queue, message);
 792                 g_object_unref (message);
 793         }
 794 }
 795
 796 static void
 797 theme_adium_finalize (GObject *object)
 798 {
 799         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 800
 801         g_free (priv->basedir);
 802         g_free (priv->template_html);
 803         g_free (priv->in_content_html);
 804         g_free (priv->in_nextcontent_html);
 805         g_free (priv->out_content_html);
 806         g_free (priv->out_nextcontent_html);
 807         g_free (priv->default_avatar_filename);
 808         g_free (priv->default_incoming_avatar_filename);
 809         g_free (priv->default_outgoing_avatar_filename);
 810         g_free (priv->path);
 811         g_free (priv->status_html);
 812
 813         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->finalize (object);
 814 }
 815
 816 static void
 817 theme_adium_dispose (GObject *object)
 818 {
 819         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 820
 821         if (priv->smiley_manager) {
 822                 g_object_unref (priv->smiley_manager);
 823                 priv->smiley_manager = NULL;
 824         }
 825
 826         if (priv->last_contact) {
 827                 g_object_unref (priv->last_contact);
 828                 priv->last_contact = NULL;
 829         }
 830
 831         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->dispose (object);
 832 }
 833
 834 static void
 835 theme_adium_constructed (GObject *object)
 836 {
 837         theme_adium_load (EMPATHY_THEME_ADIUM (object));
 838 }
 839
 840 static void
 841 theme_adium_get_property (GObject    *object,
 842                           guint       param_id,
 843                           GValue     *value,
 844                           GParamSpec *pspec)
 845 {
 846         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 847
 848         switch (param_id) {
 849         case PROP_PATH:
 850                 g_value_set_string (value, priv->path);
 851                 break;
 852         default:
 853                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 854                 break;
 855         };
 856 }
 857
 858 static void
 859 theme_adium_set_property (GObject      *object,
 860                           guint         param_id,
 861                           const GValue *value,
 862                           GParamSpec   *pspec)
 863 {
 864         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 865
 866         switch (param_id) {
 867         case PROP_PATH:
 868                 g_free (priv->path);
 869                 priv->path = g_value_dup_string (value);
 870                 break;
 871         default:
 872                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 873                 break;
 874         };
 875 }
 876
 877 static void
 878 empathy_theme_adium_class_init (EmpathyThemeAdiumClass *klass)
 879 {
 880         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 881
 882         object_class->finalize = theme_adium_finalize;
 883         object_class->dispose = theme_adium_dispose;
 884         object_class->constructed = theme_adium_constructed;
 885         object_class->get_property = theme_adium_get_property;
 886         object_class->set_property = theme_adium_set_property;
 887
 888         g_object_class_install_property (object_class,
 889                                          PROP_PATH,
 890                                          g_param_spec_string ("path",
 891                                                               "The theme path",
 892                                                               "Path to the adium theme",
 893                                                               g_get_home_dir (),
 894                                                               G_PARAM_CONSTRUCT_ONLY |
 895                                                               G_PARAM_READWRITE));
 896
 897
 898         g_type_class_add_private (object_class, sizeof (EmpathyThemeAdiumPriv));
 899 }
 900
 901 static void
 902 empathy_theme_adium_init (EmpathyThemeAdium *theme)
 903 {
 904         EmpathyThemeAdiumPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (theme,
 905                 EMPATHY_TYPE_THEME_ADIUM, EmpathyThemeAdiumPriv);
 906
 907         theme->priv = priv;
 908
 909         priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
 910
 911         g_signal_connect (theme, "load-finished",
 912                           G_CALLBACK (theme_adium_load_finished_cb),
 913                           NULL);
 914         g_signal_connect (theme, "navigation-requested",
 915                           G_CALLBACK (theme_adium_navigation_requested_cb),
 916                           NULL);
 917         g_signal_connect (theme, "populate-popup",
 918                           G_CALLBACK (theme_adium_populate_popup_cb),
 919                           NULL);
 920 }
 921
 922 EmpathyThemeAdium *
 923 empathy_theme_adium_new (const gchar *path)
 924 {
 925         g_return_val_if_fail (empathy_theme_adium_is_valid (path), NULL);
 926
 927         return g_object_new (EMPATHY_TYPE_THEME_ADIUM,
 928                              "path", path,
 929                              NULL);
 930 }
 931
 932 gboolean
 933 empathy_theme_adium_is_valid (const gchar *path)
 934 {
 935         gboolean ret;
 936         gchar   *file;
 937
 938         /* We ship a default Template.html as fallback if there is any problem
 939          * with the one inside the theme. The only other required file is
 940          * Content.html for incoming messages (outgoing fallback to use
 941          * incoming). */
 942         file = g_build_filename (path, "Contents", "Resources", "Incoming",
 943                                  "Content.html", NULL);
 944         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 945         g_free (file);
 946
 947         return ret;
 948 }
 949