libempathy-gtk/empathy-theme-adium.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2008-2009 Collabora Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Xavier Claessens <xclaesse@gmail.com>
  20  */
  21
  22 #include "config.h"
  23
  24 #include <string.h>
  25 #include <glib/gi18n.h>
  26
  27 #include <webkit/webkitnetworkrequest.h>
  28 #include <telepathy-glib/dbus.h>
  29 #include <telepathy-glib/util.h>
  30
  31
  32 #include <libempathy/empathy-time.h>
  33 #include <libempathy/empathy-utils.h>
  34 #include <libmissioncontrol/mc-profile.h>
  35
  36 #include "empathy-theme-adium.h"
  37 #include "empathy-smiley-manager.h"
  38 #include "empathy-conf.h"
  39 #include "empathy-ui-utils.h"
  40 #include "empathy-plist.h"
  41
  42 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  43 #include <libempathy/empathy-debug.h>
  44
  45 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyThemeAdium)
  46
  47 /* "Join" consecutive messages with timestamps within five minutes */
  48 #define MESSAGE_JOIN_PERIOD 5*60
  49
  50 typedef struct {
  51         EmpathyAdiumData     *data;
  52         EmpathySmileyManager *smiley_manager;
  53         EmpathyContact       *last_contact;
  54         time_t                last_timestamp;
  55         gboolean              last_is_backlog;
  56         gboolean              page_loaded;
  57         GList                *message_queue;
  58 } EmpathyThemeAdiumPriv;
  59
  60 struct _EmpathyAdiumData {
  61         guint  ref_count;
  62         gchar *path;
  63         gchar *basedir;
  64         gchar *default_avatar_filename;
  65         gchar *default_incoming_avatar_filename;
  66         gchar *default_outgoing_avatar_filename;
  67         gchar *template_html;
  68         gchar *in_content_html;
  69         gsize  in_content_len;
  70         gchar *in_context_html;
  71         gsize  in_context_len;
  72         gchar *in_nextcontent_html;
  73         gsize  in_nextcontent_len;
  74         gchar *in_nextcontext_html;
  75         gsize  in_nextcontext_len;
  76         gchar *out_content_html;
  77         gsize  out_content_len;
  78         gchar *out_context_html;
  79         gsize  out_context_len;
  80         gchar *out_nextcontent_html;
  81         gsize  out_nextcontent_len;
  82         gchar *out_nextcontext_html;
  83         gsize  out_nextcontext_len;
  84         gchar *status_html;
  85         gsize  status_len;
  86         GHashTable *info;
  87 };
  88
  89 static void theme_adium_iface_init (EmpathyChatViewIface *iface);
  90
  91 enum {
  92         PROP_0,
  93         PROP_ADIUM_DATA,
  94 };
  95
  96 G_DEFINE_TYPE_WITH_CODE (EmpathyThemeAdium, empathy_theme_adium,
  97                          WEBKIT_TYPE_WEB_VIEW,
  98                          G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW,
  99                                                 theme_adium_iface_init));
 100
 101 static WebKitNavigationResponse
 102 theme_adium_navigation_requested_cb (WebKitWebView        *view,
 103                                      WebKitWebFrame       *frame,
 104                                      WebKitNetworkRequest *request,
 105                                      gpointer              user_data)
 106 {
 107         const gchar *uri;
 108
 109         uri = webkit_network_request_get_uri (request);
 110         empathy_url_show (GTK_WIDGET (view), uri);
 111
 112         return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
 113 }
 114
 115 static void
 116 theme_adium_populate_popup_cb (WebKitWebView *view,
 117                                GtkMenu       *menu,
 118                                gpointer       user_data)
 119 {
 120         GtkWidget *item;
 121
 122         /* Remove default menu items */
 123         gtk_container_foreach (GTK_CONTAINER (menu),
 124                 (GtkCallback) gtk_widget_destroy, NULL);
 125
 126         /* Select all item */
 127         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
 128         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 129         gtk_widget_show (item);
 130
 131         g_signal_connect_swapped (item, "activate",
 132                                   G_CALLBACK (webkit_web_view_select_all),
 133                                   view);
 134
 135         /* Copy menu item */
 136         if (webkit_web_view_can_copy_clipboard (view)) {
 137                 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
 138                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 139                 gtk_widget_show (item);
 140
 141                 g_signal_connect_swapped (item, "activate",
 142                                           G_CALLBACK (webkit_web_view_copy_clipboard),
 143                                           view);
 144         }
 145
 146         /* Clear menu item */
 147         item = gtk_separator_menu_item_new ();
 148         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 149         gtk_widget_show (item);
 150
 151         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
 152         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 153         gtk_widget_show (item);
 154
 155         g_signal_connect_swapped (item, "activate",
 156                                   G_CALLBACK (empathy_chat_view_clear),
 157                                   view);
 158
 159         /* FIXME: Add open_link and copy_link when those bugs are fixed:
 160          * https://bugs.webkit.org/show_bug.cgi?id=16092
 161          * https://bugs.webkit.org/show_bug.cgi?id=16562
 162          */
 163 }
 164
 165 static gchar *
 166 theme_adium_parse_body (EmpathyThemeAdium *theme,
 167                         const gchar       *text)
 168 {
 169         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 170         gboolean               use_smileys = FALSE;
 171         GSList                *smileys, *l;
 172         GString               *string;
 173         gint                   i;
 174         GRegex                *uri_regex;
 175         GMatchInfo            *match_info;
 176         gboolean               match;
 177         gchar                 *ret = NULL;
 178         gint                   prev;
 179
 180         empathy_conf_get_bool (empathy_conf_get (),
 181                                EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
 182                                &use_smileys);
 183
 184         if (use_smileys) {
 185                 /* Replace smileys by a <img/> tag */
 186                 string = g_string_sized_new (strlen (text));
 187                 smileys = empathy_smiley_manager_parse (priv->smiley_manager, text);
 188                 for (l = smileys; l; l = l->next) {
 189                         EmpathySmiley *smiley;
 190
 191                         smiley = l->data;
 192                         if (smiley->path) {
 193                                 g_string_append_printf (string,
 194                                                         "<abbr title='%s'><img src=\"%s\"/ alt=\"%s\"/></abbr>",
 195                                                         smiley->str, smiley->path, smiley->str);
 196                         } else {
 197                                 gchar *str;
 198
 199                                 str = g_markup_escape_text (smiley->str, -1);
 200                                 g_string_append (string, str);
 201                                 g_free (str);
 202                         }
 203                         empathy_smiley_free (smiley);
 204                 }
 205                 g_slist_free (smileys);
 206
 207                 g_free (ret);
 208                 text = ret = g_string_free (string, FALSE);
 209         }
 210
 211         /* Add <a href></a> arround links */
 212         uri_regex = empathy_uri_regex_dup_singleton ();
 213         match = g_regex_match (uri_regex, text, 0, &match_info);
 214         if (match) {
 215                 gint last = 0;
 216                 gint s = 0, e = 0;
 217
 218                 string = g_string_sized_new (strlen (text));
 219                 do {
 220                         g_match_info_fetch_pos (match_info, 0, &s, &e);
 221
 222                         if (s > last) {
 223                                 /* Append the text between last link (or the
 224                                  * start of the message) and this link */
 225                                 g_string_append_len (string, text + last, s - last);
 226                         }
 227
 228                         /* Append the link inside <a href=""></a> tag */
 229                         g_string_append (string, "<a href=\"");
 230                         g_string_append_len (string, text + s, e - s);
 231                         g_string_append (string, "\">");
 232                         g_string_append_len (string, text + s, e - s);
 233                         g_string_append (string, "</a>");
 234
 235                         last = e;
 236                 } while (g_match_info_next (match_info, NULL));
 237
 238                 if (e < strlen (text)) {
 239                         /* Append the text after the last link */
 240                         g_string_append_len (string, text + e, strlen (text) - e);
 241                 }
 242
 243                 g_free (ret);
 244                 text = ret = g_string_free (string, FALSE);
 245         }
 246         g_match_info_free (match_info);
 247         g_regex_unref (uri_regex);
 248
 249         /* Replace \n by <br/> */
 250         string = NULL;
 251         prev = 0;
 252         for (i = 0; text[i] != '\0'; i++) {
 253                 if (text[i] == '\n') {
 254                         if (!string ) {
 255                                 string = g_string_sized_new (strlen (text));
 256                         }
 257                         g_string_append_len (string, text + prev, i - prev);
 258                         g_string_append (string, "<br/>");
 259                         prev = i + 1;
 260                 }
 261         }
 262         if (string) {
 263                 g_string_append (string, text + prev);
 264                 g_free (ret);
 265                 text = ret = g_string_free (string, FALSE);
 266         }
 267
 268         return ret;
 269 }
 270
 271 static void
 272 escape_and_append_len (GString *string, const gchar *str, gint len)
 273 {
 274         while (*str != '\0' && len != 0) {
 275                 switch (*str) {
 276                 case '\\':
 277                         /* \ becomes \\ */
 278                         g_string_append (string, "\\\\");
 279                         break;
 280                 case '\"':
 281                         /* " becomes \" */
 282                         g_string_append (string, "\\\"");
 283                         break;
 284                 case '\n':
 285                         /* Remove end of lines */
 286                         break;
 287                 default:
 288                         g_string_append_c (string, *str);
 289                 }
 290
 291                 str++;
 292                 len--;
 293         }
 294 }
 295
 296 static gboolean
 297 theme_adium_match (const gchar **str, const gchar *match)
 298 {
 299         gint len;
 300
 301         len = strlen (match);
 302         if (strncmp (*str, match, len) == 0) {
 303                 *str += len - 1;
 304                 return TRUE;
 305         }
 306
 307         return FALSE;
 308 }
 309
 310 static void
 311 theme_adium_append_html (EmpathyThemeAdium *theme,
 312                          const gchar       *func,
 313                          const gchar       *html, gsize len,
 314                          const gchar       *message,
 315                          const gchar       *avatar_filename,
 316                          const gchar       *name,
 317                          const gchar       *contact_id,
 318                          const gchar       *service_name,
 319                          const gchar       *message_classes,
 320                          time_t             timestamp)
 321 {
 322         GString     *string;
 323         const gchar *cur = NULL;
 324         gchar       *script;
 325
 326         /* Make some search-and-replace in the html code */
 327         string = g_string_sized_new (len + strlen (message));
 328         g_string_append_printf (string, "%s(\"", func);
 329         for (cur = html; *cur != '\0'; cur++) {
 330                 const gchar *replace = NULL;
 331                 gchar       *dup_replace = NULL;
 332
 333                 if (theme_adium_match (&cur, "%message%")) {
 334                         replace = message;
 335                 } else if (theme_adium_match (&cur, "%messageClasses%")) {
 336                         replace = message_classes;
 337                 } else if (theme_adium_match (&cur, "%userIconPath%")) {
 338                         replace = avatar_filename;
 339                 } else if (theme_adium_match (&cur, "%sender%")) {
 340                         replace = name;
 341                 } else if (theme_adium_match (&cur, "%senderScreenName%")) {
 342                         replace = contact_id;
 343                 } else if (theme_adium_match (&cur, "%senderDisplayName%")) {
 344                         /* %senderDisplayName% -
 345                          * "The serverside (remotely set) name of the sender,
 346                          *  such as an MSN display name."
 347                          *
 348                          * We don't have access to that yet so we use local
 349                          * alias instead.*/
 350                         replace = name;
 351                 } else if (theme_adium_match (&cur, "%service%")) {
 352                         replace = service_name;
 353                 } else if (theme_adium_match (&cur, "%shortTime%")) {
 354                         dup_replace = empathy_time_to_string_local (timestamp,
 355                                 EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 356                         replace = dup_replace;
 357                 } else if (theme_adium_match (&cur, "%time")) {
 358                         gchar *format = NULL;
 359                         gchar *end;
 360
 361                         /* Time can be in 2 formats:
 362                          * %time% or %time{strftime format}%
 363                          * Extract the time format if provided. */
 364                         if (cur[1] == '{') {
 365                                 cur += 2;
 366                                 end = strstr (cur, "}%");
 367                                 if (!end) {
 368                                         /* Invalid string */
 369                                         continue;
 370                                 }
 371                                 format = g_strndup (cur, end - cur);
 372                                 cur = end + 1;
 373                         } else {
 374                                 cur++;
 375                         }
 376
 377                         dup_replace = empathy_time_to_string_local (timestamp,
 378                                 format ? format : EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
 379                         replace = dup_replace;
 380                         g_free (format);
 381                 } else {
 382                         escape_and_append_len (string, cur, 1);
 383                         continue;
 384                 }
 385
 386                 /* Here we have a replacement to make */
 387                 escape_and_append_len (string, replace, -1);
 388                 g_free (dup_replace);
 389         }
 390         g_string_append (string, "\")");
 391
 392         script = g_string_free (string, FALSE);
 393         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (theme), script);
 394         g_free (script);
 395 }
 396
 397 static void
 398 theme_adium_append_message (EmpathyChatView *view,
 399                             EmpathyMessage  *msg)
 400 {
 401         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 402         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 403         EmpathyContact        *sender;
 404         EmpathyAccount        *account;
 405         McProfile             *account_profile;
 406         gchar                 *dup_body = NULL;
 407         const gchar           *body;
 408         const gchar           *name;
 409         const gchar           *contact_id;
 410         EmpathyAvatar         *avatar;
 411         const gchar           *avatar_filename = NULL;
 412         time_t                 timestamp;
 413         gchar                 *html = NULL;
 414         gsize                  len = 0;
 415         const gchar           *func;
 416         const gchar           *service_name;
 417         GString               *message_classes = NULL;
 418         gboolean              is_backlog;
 419
 420         if (!priv->page_loaded) {
 421                 priv->message_queue = g_list_prepend (priv->message_queue,
 422                                                       g_object_ref (msg));
 423                 return;
 424         }
 425
 426         /* Get information */
 427         sender = empathy_message_get_sender (msg);
 428         account = empathy_contact_get_account (sender);
 429         account_profile = empathy_account_get_profile (account);
 430         service_name = mc_profile_get_display_name (account_profile);
 431         timestamp = empathy_message_get_timestamp (msg);
 432         body = empathy_message_get_body (msg);
 433         dup_body = theme_adium_parse_body (theme, body);
 434         if (dup_body) {
 435                 body = dup_body;
 436         }
 437         name = empathy_contact_get_name (sender);
 438         contact_id = empathy_contact_get_id (sender);
 439
 440         /* If this is a /me, append an event */
 441         if (empathy_message_get_tptype (msg) == TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION) {
 442                 gchar *str;
 443
 444                 str = g_strdup_printf ("%s %s", name, body);
 445                 empathy_chat_view_append_event (view, str);
 446                 g_free (str);
 447                 g_free (dup_body);
 448                 return;
 449         }
 450
 451         /* Get the avatar filename, or a fallback */
 452         avatar = empathy_contact_get_avatar (sender);
 453         if (avatar) {
 454                 avatar_filename = avatar->filename;
 455         }
 456         if (!avatar_filename) {
 457                 if (empathy_contact_is_user (sender)) {
 458                         avatar_filename = priv->data->default_outgoing_avatar_filename;
 459                 } else {
 460                         avatar_filename = priv->data->default_incoming_avatar_filename;
 461                 }
 462                 if (!avatar_filename) {
 463                         if (!priv->data->default_avatar_filename) {
 464                                 priv->data->default_avatar_filename =
 465                                         empathy_filename_from_icon_name ("stock_person",
 466                                                                          GTK_ICON_SIZE_DIALOG);
 467                         }
 468                         avatar_filename = priv->data->default_avatar_filename;
 469                 }
 470         }
 471
 472         is_backlog = empathy_message_is_backlog (msg);
 473
 474         /* Get the right html/func to add the message */
 475         func = "appendMessage";
 476
 477         message_classes = g_string_new ("message");
 478
 479         /* eventually append the "history" class */
 480         if (is_backlog) {
 481                 g_string_append (message_classes, " history");
 482         }
 483
 484         /* check the sender of the message and append the appropriate class */
 485         if (empathy_contact_is_user (sender)) {
 486                 g_string_append (message_classes, " outgoing");
 487         }
 488         else {
 489                 g_string_append (message_classes, " incoming");
 490         }
 491
 492         /*
 493          * To mimick Adium's behavior, we only want to join messages
 494          * sent by the same contact within a 5 minute time frame.
 495          */
 496         if (empathy_contact_equal (priv->last_contact, sender) &&
 497             (timestamp - priv->last_timestamp < MESSAGE_JOIN_PERIOD) &&
 498             (is_backlog == priv->last_is_backlog)) {
 499                 /* the messages can be appended */
 500                 func = "appendNextMessage";
 501                 g_string_append (message_classes, " consecutive");
 502
 503                 /* check who is the sender of the message to use the correct html file */
 504                 if (empathy_contact_is_user (sender)) {
 505                         /* check if this is a backlog message and use NextContext.html */
 506                         if (is_backlog) {
 507                                 html = priv->data->out_nextcontext_html;
 508                                 len = priv->data->out_nextcontext_len;
 509                         }
 510
 511                         /*
 512                          * html is null if this is not a backlog message or
 513                          * if we have to fallback (NextContext.html missing).
 514                          * use NextContent.html
 515                          */
 516                         if (html == NULL) {
 517                                 html = priv->data->out_nextcontent_html;
 518                                 len = priv->data->out_nextcontent_len;
 519                         }
 520                 }
 521                 else {
 522                         if (is_backlog) {
 523                                 html = priv->data->in_nextcontext_html;
 524                                 len = priv->data->in_nextcontext_len;
 525                         }
 526
 527                         if (html == NULL) {
 528                                 html = priv->data->in_nextcontent_html;
 529                                 len = priv->data->in_nextcontent_len;
 530                         }
 531                 }
 532         }
 533
 534         /*
 535          * we have html == NULL here if:
 536          * 1. the message didn't have to be appended because
 537          *    the sender was different or the timestamp was too far
 538          * 2. NextContent.html file does not exist, so we must
 539          *    not forget to fallback to the correct Content.html
 540          */
 541         if (html == NULL) {
 542                 if (empathy_contact_is_user (sender)) {
 543                         if (is_backlog) {
 544                                 html = priv->data->out_context_html;
 545                                 len = priv->data->out_context_len;
 546                         }
 547
 548                         if (html == NULL) {
 549                                 html = priv->data->out_content_html;
 550                                 len = priv->data->out_content_len;
 551                         }
 552                 }
 553                 else {
 554                         if (is_backlog) {
 555                                 html = priv->data->in_context_html;
 556                                 len = priv->data->in_context_len;
 557                         }
 558
 559                         if (html == NULL) {
 560                                 html = priv->data->in_content_html;
 561                                 len = priv->data->in_content_len;
 562                         }
 563                 }
 564         }
 565
 566         theme_adium_append_html (theme, func, html, len, body, avatar_filename,
 567                                  name, contact_id, service_name, message_classes->str,
 568                                  timestamp);
 569
 570         /* Keep the sender of the last displayed message */
 571         if (priv->last_contact) {
 572                 g_object_unref (priv->last_contact);
 573         }
 574         priv->last_contact = g_object_ref (sender);
 575         priv->last_timestamp = timestamp;
 576         priv->last_is_backlog = is_backlog;
 577
 578         g_free (dup_body);
 579         g_string_free (message_classes, TRUE);
 580 }
 581
 582 static void
 583 theme_adium_append_event (EmpathyChatView *view,
 584                           const gchar     *str)
 585 {
 586         EmpathyThemeAdium     *theme = EMPATHY_THEME_ADIUM (view);
 587         EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
 588
 589         if (priv->data->status_html) {
 590                 theme_adium_append_html (theme, "appendMessage",
 591                                          priv->data->status_html,
 592                                          priv->data->status_len,
 593                                          str, NULL, NULL, NULL, NULL, "event",
 594                                          empathy_time_get_current ());
 595         }
 596
 597         /* There is no last contact */
 598         if (priv->last_contact) {
 599                 g_object_unref (priv->last_contact);
 600                 priv->last_contact = NULL;
 601         }
 602 }
 603
 604 static void
 605 theme_adium_scroll (EmpathyChatView *view,
 606                     gboolean         allow_scrolling)
 607 {
 608         /* FIXME: Is it possible? I guess we need a js function, but I don't
 609          * see any... */
 610 }
 611
 612 static void
 613 theme_adium_scroll_down (EmpathyChatView *view)
 614 {
 615         webkit_web_view_execute_script (WEBKIT_WEB_VIEW (view), "scrollToBottom()");
 616 }
 617
 618 static gboolean
 619 theme_adium_get_has_selection (EmpathyChatView *view)
 620 {
 621         return webkit_web_view_has_selection (WEBKIT_WEB_VIEW (view));
 622 }
 623
 624 static void
 625 theme_adium_clear (EmpathyChatView *view)
 626 {
 627         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 628         gchar *basedir_uri;
 629
 630         priv->page_loaded = FALSE;
 631         basedir_uri = g_strconcat ("file://", priv->data->basedir, NULL);
 632         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (view),
 633                                           priv->data->template_html,
 634                                           basedir_uri);
 635         g_free (basedir_uri);
 636
 637         /* Clear last contact to avoid trying to add a 'joined'
 638          * message when we don't have an insertion point. */
 639         if (priv->last_contact) {
 640                 g_object_unref (priv->last_contact);
 641                 priv->last_contact = NULL;
 642         }
 643 }
 644
 645 static gboolean
 646 theme_adium_find_previous (EmpathyChatView *view,
 647                            const gchar     *search_criteria,
 648                            gboolean         new_search)
 649 {
 650         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 651                                             search_criteria, FALSE,
 652                                             FALSE, TRUE);
 653 }
 654
 655 static gboolean
 656 theme_adium_find_next (EmpathyChatView *view,
 657                        const gchar     *search_criteria,
 658                        gboolean         new_search)
 659 {
 660         return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
 661                                             search_criteria, FALSE,
 662                                             TRUE, TRUE);
 663 }
 664
 665 static void
 666 theme_adium_find_abilities (EmpathyChatView *view,
 667                             const gchar    *search_criteria,
 668                             gboolean       *can_do_previous,
 669                             gboolean       *can_do_next)
 670 {
 671         /* FIXME: Does webkit provide an API for that? We have wrap=true in
 672          * find_next and find_previous to work around this problem. */
 673         if (can_do_previous)
 674                 *can_do_previous = TRUE;
 675         if (can_do_next)
 676                 *can_do_next = TRUE;
 677 }
 678
 679 static void
 680 theme_adium_highlight (EmpathyChatView *view,
 681                        const gchar     *text)
 682 {
 683         webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
 684         webkit_web_view_mark_text_matches (WEBKIT_WEB_VIEW (view),
 685                                            text, FALSE, 0);
 686         webkit_web_view_set_highlight_text_matches (WEBKIT_WEB_VIEW (view),
 687                                                     TRUE);
 688 }
 689
 690 static void
 691 theme_adium_copy_clipboard (EmpathyChatView *view)
 692 {
 693         webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
 694 }
 695
 696 static void
 697 theme_adium_iface_init (EmpathyChatViewIface *iface)
 698 {
 699         iface->append_message = theme_adium_append_message;
 700         iface->append_event = theme_adium_append_event;
 701         iface->scroll = theme_adium_scroll;
 702         iface->scroll_down = theme_adium_scroll_down;
 703         iface->get_has_selection = theme_adium_get_has_selection;
 704         iface->clear = theme_adium_clear;
 705         iface->find_previous = theme_adium_find_previous;
 706         iface->find_next = theme_adium_find_next;
 707         iface->find_abilities = theme_adium_find_abilities;
 708         iface->highlight = theme_adium_highlight;
 709         iface->copy_clipboard = theme_adium_copy_clipboard;
 710 }
 711
 712 static void
 713 theme_adium_load_finished_cb (WebKitWebView  *view,
 714                               WebKitWebFrame *frame,
 715                               gpointer        user_data)
 716 {
 717         EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
 718         EmpathyChatView       *chat_view = EMPATHY_CHAT_VIEW (view);
 719
 720         DEBUG ("Page loaded");
 721         priv->page_loaded = TRUE;
 722
 723         /* Display queued messages */
 724         priv->message_queue = g_list_reverse (priv->message_queue);
 725         while (priv->message_queue) {
 726                 EmpathyMessage *message = priv->message_queue->data;
 727
 728                 theme_adium_append_message (chat_view, message);
 729                 priv->message_queue = g_list_remove (priv->message_queue, message);
 730                 g_object_unref (message);
 731         }
 732 }
 733
 734 static void
 735 theme_adium_finalize (GObject *object)
 736 {
 737         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 738
 739         empathy_adium_data_unref (priv->data);
 740
 741         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->finalize (object);
 742 }
 743
 744 static void
 745 theme_adium_dispose (GObject *object)
 746 {
 747         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 748
 749         if (priv->smiley_manager) {
 750                 g_object_unref (priv->smiley_manager);
 751                 priv->smiley_manager = NULL;
 752         }
 753
 754         if (priv->last_contact) {
 755                 g_object_unref (priv->last_contact);
 756                 priv->last_contact = NULL;
 757         }
 758
 759         G_OBJECT_CLASS (empathy_theme_adium_parent_class)->dispose (object);
 760 }
 761
 762 static void
 763 theme_adium_constructed (GObject *object)
 764 {
 765         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 766         gchar                 *basedir_uri;
 767         const gchar           *font_family = NULL;
 768         gint                   font_size = 0;
 769         WebKitWebSettings     *webkit_settings;
 770
 771         /* Set default settings */
 772         font_family = tp_asv_get_string (priv->data->info, "DefaultFontFamily");
 773         font_size = tp_asv_get_int32 (priv->data->info, "DefaultFontSize", NULL);
 774         webkit_settings = webkit_web_settings_new ();
 775         if (font_family) {
 776                 g_object_set (G_OBJECT (webkit_settings), "default-font-family", font_family, NULL);
 777         }
 778         if (font_size) {
 779                 g_object_set (G_OBJECT (webkit_settings), "default-font-size", font_size, NULL);
 780         }
 781         webkit_web_view_set_settings (WEBKIT_WEB_VIEW (object), webkit_settings);
 782
 783         /* Load template */
 784         basedir_uri = g_strconcat ("file://", priv->data->basedir, NULL);
 785         webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (object),
 786                                           priv->data->template_html,
 787                                           basedir_uri);
 788
 789         g_object_unref (webkit_settings);
 790         g_free (basedir_uri);
 791 }
 792
 793 static void
 794 theme_adium_get_property (GObject    *object,
 795                           guint       param_id,
 796                           GValue     *value,
 797                           GParamSpec *pspec)
 798 {
 799         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 800
 801         switch (param_id) {
 802         case PROP_ADIUM_DATA:
 803                 g_value_set_boxed (value, priv->data);
 804                 break;
 805         default:
 806                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 807                 break;
 808         };
 809 }
 810
 811 static void
 812 theme_adium_set_property (GObject      *object,
 813                           guint         param_id,
 814                           const GValue *value,
 815                           GParamSpec   *pspec)
 816 {
 817         EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
 818
 819         switch (param_id) {
 820         case PROP_ADIUM_DATA:
 821                 g_assert (priv->data == NULL);
 822                 priv->data = g_value_dup_boxed (value);
 823                 break;
 824         default:
 825                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 826                 break;
 827         };
 828 }
 829
 830 static void
 831 empathy_theme_adium_class_init (EmpathyThemeAdiumClass *klass)
 832 {
 833         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 834
 835         object_class->finalize = theme_adium_finalize;
 836         object_class->dispose = theme_adium_dispose;
 837         object_class->constructed = theme_adium_constructed;
 838         object_class->get_property = theme_adium_get_property;
 839         object_class->set_property = theme_adium_set_property;
 840
 841         g_object_class_install_property (object_class,
 842                                          PROP_ADIUM_DATA,
 843                                          g_param_spec_boxed ("adium-data",
 844                                                              "The theme data",
 845                                                              "Data for the adium theme",
 846                                                               EMPATHY_TYPE_ADIUM_DATA,
 847                                                               G_PARAM_CONSTRUCT_ONLY |
 848                                                               G_PARAM_READWRITE |
 849                                                               G_PARAM_STATIC_STRINGS));
 850
 851
 852         g_type_class_add_private (object_class, sizeof (EmpathyThemeAdiumPriv));
 853 }
 854
 855 static void
 856 empathy_theme_adium_init (EmpathyThemeAdium *theme)
 857 {
 858         EmpathyThemeAdiumPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (theme,
 859                 EMPATHY_TYPE_THEME_ADIUM, EmpathyThemeAdiumPriv);
 860
 861         theme->priv = priv;
 862
 863         priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
 864
 865         g_signal_connect (theme, "load-finished",
 866                           G_CALLBACK (theme_adium_load_finished_cb),
 867                           NULL);
 868         g_signal_connect (theme, "navigation-requested",
 869                           G_CALLBACK (theme_adium_navigation_requested_cb),
 870                           NULL);
 871         g_signal_connect (theme, "populate-popup",
 872                           G_CALLBACK (theme_adium_populate_popup_cb),
 873                           NULL);
 874 }
 875
 876 EmpathyThemeAdium *
 877 empathy_theme_adium_new (EmpathyAdiumData *data)
 878 {
 879         g_return_val_if_fail (data != NULL, NULL);
 880
 881         return g_object_new (EMPATHY_TYPE_THEME_ADIUM,
 882                              "adium-data", data,
 883                              NULL);
 884 }
 885
 886 gboolean
 887 empathy_adium_path_is_valid (const gchar *path)
 888 {
 889         gboolean ret;
 890         gchar   *file;
 891
 892         /* The theme is not valid if there is no Info.plist */
 893         file = g_build_filename (path, "Contents", "Info.plist",
 894                                  NULL);
 895         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 896         g_free (file);
 897
 898         if (ret == FALSE)
 899                 return ret;
 900
 901         /* We ship a default Template.html as fallback if there is any problem
 902          * with the one inside the theme. The only other required file is
 903          * Content.html for incoming messages (outgoing fallback to use
 904          * incoming). */
 905         file = g_build_filename (path, "Contents", "Resources", "Incoming",
 906                                  "Content.html", NULL);
 907         ret = g_file_test (file, G_FILE_TEST_EXISTS);
 908         g_free (file);
 909
 910         return ret;
 911 }
 912
 913 GHashTable *
 914 empathy_adium_info_new (const gchar *path)
 915 {
 916         gchar *file;
 917         GValue *value;
 918         GHashTable *info = NULL;
 919
 920         g_return_val_if_fail (empathy_adium_path_is_valid (path), NULL);
 921
 922         file = g_build_filename (path, "Contents", "Info.plist", NULL);
 923         value = empathy_plist_parse_from_file (file);
 924         g_free (file);
 925
 926         if (value == NULL)
 927                 return NULL;
 928
 929         info = g_value_dup_boxed (value);
 930         tp_g_value_slice_free (value);
 931
 932         /* Insert the theme's path into the hash table,
 933          * keys have to be dupped */
 934         tp_asv_set_string (info, g_strdup ("path"), path);
 935
 936         return info;
 937 }
 938
 939 GType
 940 empathy_adium_data_get_type (void)
 941 {
 942   static GType type_id = 0;
 943
 944   if (!type_id)
 945     {
 946       type_id = g_boxed_type_register_static ("EmpathyAdiumData",
 947           (GBoxedCopyFunc) empathy_adium_data_ref,
 948           (GBoxedFreeFunc) empathy_adium_data_unref);
 949     }
 950
 951   return type_id;
 952 }
 953
 954 EmpathyAdiumData  *
 955 empathy_adium_data_new_with_info (const gchar *path, GHashTable *info)
 956 {
 957         EmpathyAdiumData *data;
 958         gchar            *file;
 959         gchar            *template_html = NULL;
 960         gsize             template_len;
 961         gchar            *footer_html = NULL;
 962         gsize             footer_len;
 963         GString          *string;
 964         gchar           **strv = NULL;
 965         gchar            *css_path;
 966         guint             len = 0;
 967         guint             i = 0;
 968
 969         g_return_val_if_fail (empathy_adium_path_is_valid (path), NULL);
 970
 971         data = g_slice_new0 (EmpathyAdiumData);
 972         data->ref_count = 1;
 973         data->path = g_strdup (path);
 974         data->basedir = g_strconcat (path, G_DIR_SEPARATOR_S "Contents"
 975                 G_DIR_SEPARATOR_S "Resources" G_DIR_SEPARATOR_S, NULL);
 976         data->info = g_hash_table_ref (info);
 977
 978         /* Load html files */
 979         file = g_build_filename (data->basedir, "Incoming", "Content.html", NULL);
 980         g_file_get_contents (file, &data->in_content_html, &data->in_content_len, NULL);
 981         g_free (file);
 982
 983         file = g_build_filename (data->basedir, "Incoming", "NextContent.html", NULL);
 984         g_file_get_contents (file, &data->in_nextcontent_html, &data->in_nextcontent_len, NULL);
 985         g_free (file);
 986
 987         file = g_build_filename (data->basedir, "Incoming", "Context.html", NULL);
 988         g_file_get_contents (file, &data->in_context_html, &data->in_context_len, NULL);
 989         g_free (file);
 990
 991         file = g_build_filename (data->basedir, "Incoming", "NextContext.html", NULL);
 992         g_file_get_contents (file, &data->in_nextcontext_html, &data->in_nextcontext_len, NULL);
 993         g_free (file);
 994
 995         file = g_build_filename (data->basedir, "Outgoing", "Content.html", NULL);
 996         g_file_get_contents (file, &data->out_content_html, &data->out_content_len, NULL);
 997         g_free (file);
 998
 999         file = g_build_filename (data->basedir, "Outgoing", "NextContent.html", NULL);
1000         g_file_get_contents (file, &data->out_nextcontent_html, &data->out_nextcontent_len, NULL);
1001         g_free (file);
1002
1003         file = g_build_filename (data->basedir, "Outgoing", "Context.html", NULL);
1004         g_file_get_contents (file, &data->out_context_html, &data->out_context_len, NULL);
1005         g_free (file);
1006
1007         file = g_build_filename (data->basedir, "Outgoing", "NextContext.html", NULL);
1008         g_file_get_contents (file, &data->out_nextcontext_html, &data->out_nextcontext_len, NULL);
1009         g_free (file);
1010
1011         file = g_build_filename (data->basedir, "Status.html", NULL);
1012         g_file_get_contents (file, &data->status_html, &data->status_len, NULL);
1013         g_free (file);
1014
1015         file = g_build_filename (data->basedir, "Footer.html", NULL);
1016         g_file_get_contents (file, &footer_html, &footer_len, NULL);
1017         g_free (file);
1018
1019         file = g_build_filename (data->basedir, "Incoming", "buddy_icon.png", NULL);
1020         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
1021                 data->default_incoming_avatar_filename = file;
1022         } else {
1023                 g_free (file);
1024         }
1025
1026         file = g_build_filename (data->basedir, "Outgoing", "buddy_icon.png", NULL);
1027         if (g_file_test (file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
1028                 data->default_outgoing_avatar_filename = file;
1029         } else {
1030                 g_free (file);
1031         }
1032
1033         css_path = g_build_filename (data->basedir, "main.css", NULL);
1034
1035         /* There is 2 formats for Template.html: The old one has 4 parameters,
1036          * the new one has 5 parameters. */
1037         file = g_build_filename (data->basedir, "Template.html", NULL);
1038         if (g_file_get_contents (file, &template_html, &template_len, NULL)) {
1039                 strv = g_strsplit (template_html, "%@", -1);
1040                 len = g_strv_length (strv);
1041         }
1042         g_free (file);
1043
1044         if (len != 5 && len != 6) {
1045                 /* Either the theme has no template or it don't have the good
1046                  * number of parameters. Fallback to use our own template. */
1047                 g_free (template_html);
1048                 g_strfreev (strv);
1049
1050                 file = empathy_file_lookup ("Template.html", "data");
1051                 g_file_get_contents (file, &template_html, &template_len, NULL);
1052                 g_free (file);
1053                 strv = g_strsplit (template_html, "%@", -1);
1054                 len = g_strv_length (strv);
1055         }
1056
1057         /* Replace %@ with the needed information in the template html. */
1058         string = g_string_sized_new (template_len);
1059         g_string_append (string, strv[i++]);
1060         g_string_append (string, data->basedir);
1061         g_string_append (string, strv[i++]);
1062         if (len == 6) {
1063                 const gchar *variant;
1064
1065                 /* We include main.css by default */
1066                 g_string_append_printf (string, "@import url(\"%s\");", css_path);
1067                 g_string_append (string, strv[i++]);
1068                 variant = tp_asv_get_string (data->info, "DefaultVariant");
1069                 if (variant) {
1070                         g_string_append (string, "Variants/");
1071                         g_string_append (string, variant);
1072                         g_string_append (string, ".css");
1073                 }
1074         } else {
1075                 /* FIXME: We should set main.css OR the variant css */
1076                 g_string_append (string, css_path);
1077         }
1078         g_string_append (string, strv[i++]);
1079         g_string_append (string, ""); /* We don't want header */
1080         g_string_append (string, strv[i++]);
1081         /* FIXME: We should replace adium %macros% in footer */
1082         if (footer_html) {
1083                 g_string_append (string, footer_html);
1084         }
1085         g_string_append (string, strv[i++]);
1086         data->template_html = g_string_free (string, FALSE);
1087
1088         g_free (footer_html);
1089         g_free (template_html);
1090         g_free (css_path);
1091         g_strfreev (strv);
1092
1093         return data;
1094 }
1095
1096 EmpathyAdiumData  *
1097 empathy_adium_data_new (const gchar *path)
1098 {
1099         EmpathyAdiumData *data;
1100         GHashTable *info;
1101
1102         info = empathy_adium_info_new (path);
1103         data = empathy_adium_data_new_with_info (path, info);
1104         g_hash_table_unref (info);
1105
1106         return data;
1107 }
1108
1109 EmpathyAdiumData  *
1110 empathy_adium_data_ref (EmpathyAdiumData *data)
1111 {
1112         g_return_val_if_fail (data != NULL, NULL);
1113
1114         g_atomic_int_inc (&data->ref_count);
1115
1116         return data;
1117 }
1118
1119 void
1120 empathy_adium_data_unref (EmpathyAdiumData *data)
1121 {
1122         g_return_if_fail (data != NULL);
1123
1124         if (g_atomic_int_dec_and_test (&data->ref_count)) {
1125                 g_free (data->path);
1126                 g_free (data->basedir);
1127                 g_free (data->template_html);
1128                 g_free (data->in_content_html);
1129                 g_free (data->in_nextcontent_html);
1130                 g_free (data->in_context_html);
1131                 g_free (data->in_nextcontext_html);
1132                 g_free (data->out_content_html);
1133                 g_free (data->out_nextcontent_html);
1134                 g_free (data->out_context_html);
1135                 g_free (data->out_nextcontext_html);
1136                 g_free (data->default_avatar_filename);
1137                 g_free (data->default_incoming_avatar_filename);
1138                 g_free (data->default_outgoing_avatar_filename);
1139                 g_free (data->status_html);
1140                 g_hash_table_unref (data->info);
1141                 g_slice_free (EmpathyAdiumData, data);
1142         }
1143 }
1144
1145 GHashTable *
1146 empathy_adium_data_get_info (EmpathyAdiumData *data)
1147 {
1148         g_return_val_if_fail (data != NULL, NULL);
1149
1150         return data->info;
1151 }
1152
1153 const gchar *
1154 empathy_adium_data_get_path (EmpathyAdiumData *data)
1155 {
1156         g_return_val_if_fail (data != NULL, NULL);
1157
1158         return data->path;
1159 }
1160