libempathy-gtk/empathy-theme-adium.c

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