/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2008-2009 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Xavier Claessens <xclaesse@gmail.com>
*/
#include "config.h"
#include <string.h>
#include <glib/gi18n.h>
#include <webkit/webkitnetworkrequest.h>
#include <libempathy/empathy-time.h>
#include <libempathy/empathy-utils.h>
#include "empathy-theme-adium.h"
#include "empathy-smiley-manager.h"
#include "empathy-conf.h"
#include "empathy-ui-utils.h"
#define DEBUG_FLAG EMPATHY_DEBUG_CHAT
#include <libempathy/empathy-debug.h>
#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyThemeAdium)
typedef struct {
EmpathySmileyManager *smiley_manager;
EmpathyContact *last_contact;
gboolean page_loaded;
GList *message_queue;
gchar *path;
gchar *default_avatar_filename;
gchar *template_html;
gchar *basedir;
gchar *in_content_html;
gsize in_content_len;
gchar *in_nextcontent_html;
gsize in_nextcontent_len;
gchar *out_content_html;
gsize out_content_len;
gchar *out_nextcontent_html;
gsize out_nextcontent_len;
gchar *status_html;
gsize status_len;
} EmpathyThemeAdiumPriv;
static void theme_adium_iface_init (EmpathyChatViewIface *iface);
enum {
PROP_0,
PROP_PATH,
};
G_DEFINE_TYPE_WITH_CODE (EmpathyThemeAdium, empathy_theme_adium,
WEBKIT_TYPE_WEB_VIEW,
G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CHAT_VIEW,
theme_adium_iface_init));
static void
theme_adium_load (EmpathyThemeAdium *theme)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
gchar *file;
gchar *template_html = NULL;
gsize template_len;
GString *string;
gchar **strv = NULL;
gchar *css_path;
guint len = 0;
guint i = 0;
gchar *basedir_uri;
priv->basedir = g_strconcat (priv->path, G_DIR_SEPARATOR_S "Contents" G_DIR_SEPARATOR_S "Resources" G_DIR_SEPARATOR_S, NULL);
basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
/* Load html files */
file = g_build_filename (priv->basedir, "Incoming", "Content.html", NULL);
g_file_get_contents (file, &priv->in_content_html, &priv->in_content_len, NULL);
g_free (file);
file = g_build_filename (priv->basedir, "Incoming", "NextContent.html", NULL);
g_file_get_contents (file, &priv->in_nextcontent_html, &priv->in_nextcontent_len, NULL);
g_free (file);
file = g_build_filename (priv->basedir, "Outgoing", "Content.html", NULL);
g_file_get_contents (file, &priv->out_content_html, &priv->out_content_len, NULL);
g_free (file);
file = g_build_filename (priv->basedir, "Outgoing", "NextContent.html", NULL);
g_file_get_contents (file, &priv->out_nextcontent_html, &priv->out_nextcontent_len, NULL);
g_free (file);
file = g_build_filename (priv->basedir, "Status.html", NULL);
g_file_get_contents (file, &priv->status_html, &priv->status_len, NULL);
g_free (file);
css_path = g_build_filename (priv->basedir, "main.css", NULL);
/* There is 2 formats for Template.html: The old one has 4 parameters,
* the new one has 5 parameters. */
file = g_build_filename (priv->basedir, "Template.html", NULL);
if (g_file_get_contents (file, &template_html, &template_len, NULL)) {
strv = g_strsplit (template_html, "%@", -1);
len = g_strv_length (strv);
}
g_free (file);
if (len != 5 && len != 6) {
/* Either the theme has no template or it don't have the good
* number of parameters. Fallback to use our own template. */
g_free (template_html);
g_strfreev (strv);
file = empathy_file_lookup ("Template.html", "data");
g_file_get_contents (file, &template_html, &template_len, NULL);
g_free (file);
strv = g_strsplit (template_html, "%@", -1);
len = g_strv_length (strv);
}
/* Replace %@ with the needed information in the template html. */
string = g_string_sized_new (template_len);
g_string_append (string, strv[i++]);
g_string_append (string, priv->basedir);
g_string_append (string, strv[i++]);
if (len == 6) {
/* We include main.css by default */
g_string_append_printf (string, "@import url(\"%s\");", css_path);
g_string_append (string, strv[i++]);
/* FIXME: We should set the variant css here */
g_string_append (string, "");
} else {
/* FIXME: We should set main.css OR the variant css */
g_string_append (string, css_path);
}
g_string_append (string, strv[i++]);
g_string_append (string, ""); /* We don't want header */
g_string_append (string, strv[i++]);
g_string_append (string, ""); /* FIXME: We don't support footer yet */
g_string_append (string, strv[i++]);
priv->template_html = g_string_free (string, FALSE);
/* Load the template */
webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (theme),
priv->template_html, basedir_uri);
g_free (basedir_uri);
g_free (template_html);
g_free (css_path);
g_strfreev (strv);
}
static WebKitNavigationResponse
theme_adium_navigation_requested_cb (WebKitWebView *view,
WebKitWebFrame *frame,
WebKitNetworkRequest *request,
gpointer user_data)
{
const gchar *uri;
uri = webkit_network_request_get_uri (request);
empathy_url_show (GTK_WIDGET (view), uri);
return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
}
static void
theme_adium_populate_popup_cb (WebKitWebView *view,
GtkMenu *menu,
gpointer user_data)
{
GtkWidget *item;
/* Remove default menu items */
gtk_container_foreach (GTK_CONTAINER (menu),
(GtkCallback) gtk_widget_destroy, NULL);
/* Select all item */
item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
g_signal_connect_swapped (item, "activate",
G_CALLBACK (webkit_web_view_select_all),
view);
/* Copy menu item */
if (webkit_web_view_can_copy_clipboard (view)) {
item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
g_signal_connect_swapped (item, "activate",
G_CALLBACK (webkit_web_view_copy_clipboard),
view);
}
/* Clear menu item */
item = gtk_separator_menu_item_new ();
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
g_signal_connect_swapped (item, "activate",
G_CALLBACK (empathy_chat_view_clear),
view);
/* FIXME: Add open_link and copy_link when those bugs are fixed:
* https://bugs.webkit.org/show_bug.cgi?id=16092
* https://bugs.webkit.org/show_bug.cgi?id=16562
*/
}
static gchar *
theme_adium_parse_body (EmpathyThemeAdium *theme,
const gchar *text)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
gboolean use_smileys = FALSE;
GSList *smileys, *l;
GString *string;
gint i;
GRegex *uri_regex;
GMatchInfo *match_info;
gboolean match;
gchar *ret = NULL;
gint prev;
empathy_conf_get_bool (empathy_conf_get (),
EMPATHY_PREFS_CHAT_SHOW_SMILEYS,
&use_smileys);
if (use_smileys) {
/* Replace smileys by a <img/> tag */
string = g_string_sized_new (strlen (text));
smileys = empathy_smiley_manager_parse (priv->smiley_manager, text);
for (l = smileys; l; l = l->next) {
EmpathySmiley *smiley;
smiley = l->data;
if (smiley->path) {
g_string_append_printf (string,
"<abbr title='%s'><img src=\"%s\"/ alt=\"%s\"/></abbr>",
smiley->str, smiley->path, smiley->str);
} else {
gchar *str;
str = g_markup_escape_text (smiley->str, -1);
g_string_append (string, str);
g_free (str);
}
empathy_smiley_free (smiley);
}
g_slist_free (smileys);
g_free (ret);
text = ret = g_string_free (string, FALSE);
}
/* Add <a href></a> arround links */
uri_regex = empathy_uri_regex_dup_singleton ();
match = g_regex_match (uri_regex, text, 0, &match_info);
if (match) {
gint last = 0;
gint s = 0, e = 0;
string = g_string_sized_new (strlen (text));
do {
g_match_info_fetch_pos (match_info, 0, &s, &e);
if (s > last) {
/* Append the text between last link (or the
* start of the message) and this link */
g_string_append_len (string, text + last, s - last);
}
/* Append the link inside <a href=""></a> tag */
g_string_append (string, "<a href=\"");
g_string_append_len (string, text + s, e - s);
g_string_append (string, "\">");
g_string_append_len (string, text + s, e - s);
g_string_append (string, "</a>");
last = e;
} while (g_match_info_next (match_info, NULL));
if (e < strlen (text)) {
/* Append the text after the last link */
g_string_append_len (string, text + e, strlen (text) - e);
}
g_free (ret);
text = ret = g_string_free (string, FALSE);
}
g_match_info_free (match_info);
g_regex_unref (uri_regex);
/* Replace \n by <br/> */
string = NULL;
prev = 0;
for (i = 0; text[i] != '\0'; i++) {
if (text[i] == '\n') {
if (!string ) {
string = g_string_sized_new (strlen (text));
}
g_string_append_len (string, text + prev, i - prev);
g_string_append (string, "<br/>");
prev = i + 1;
}
}
if (string) {
g_string_append (string, text + prev);
g_free (ret);
text = ret = g_string_free (string, FALSE);
}
return ret;
}
static void
escape_and_append_len (GString *string, const gchar *str, gint len)
{
while (*str != '\0' && len != 0) {
switch (*str) {
case '\\':
/* \ becomes \\ */
g_string_append (string, "\\\\");
break;
case '\"':
/* " becomes \" */
g_string_append (string, "\\\"");
break;
case '\n':
/* Remove end of lines */
break;
default:
g_string_append_c (string, *str);
}
str++;
len--;
}
}
static gboolean
theme_adium_match (const gchar **str, const gchar *match)
{
gint len;
len = strlen (match);
if (strncmp (*str, match, len) == 0) {
*str += len - 1;
return TRUE;
}
return FALSE;
}
static void
theme_adium_append_html (EmpathyThemeAdium *theme,
const gchar *func,
const gchar *html, gsize len,
const gchar *message,
const gchar *avatar_filename,
const gchar *name,
time_t timestamp)
{
GString *string;
const gchar *cur = NULL;
gchar *script;
/* Make some search-and-replace in the html code */
string = g_string_sized_new (len + strlen (message));
g_string_append_printf (string, "%s(\"", func);
for (cur = html; *cur != '\0'; cur++) {
const gchar *replace = NULL;
gchar *dup_replace = NULL;
if (theme_adium_match (&cur, "%message%")) {
replace = message;
} else if (theme_adium_match (&cur, "%userIconPath%")) {
replace = avatar_filename;
} else if (theme_adium_match (&cur, "%sender%")) {
replace = name;
} else if (theme_adium_match (&cur, "%time")) {
gchar *format = NULL;
gchar *end;
/* Time can be in 2 formats:
* %time% or %time{strftime format}%
* Extract the time format if provided. */
if (cur[1] == '{') {
cur += 2;
end = strstr (cur, "}%");
if (!end) {
/* Invalid string */
continue;
}
format = g_strndup (cur, end - cur);
cur = end + 1;
} else {
cur++;
}
dup_replace = empathy_time_to_string_local (timestamp,
format ? format : EMPATHY_TIME_FORMAT_DISPLAY_SHORT);
replace = dup_replace;
g_free (format);
} else {
escape_and_append_len (string, cur, 1);
continue;
}
/* Here we have a replacement to make */
escape_and_append_len (string, replace, -1);
g_free (dup_replace);
}
g_string_append (string, "\")");
script = g_string_free (string, FALSE);
webkit_web_view_execute_script (WEBKIT_WEB_VIEW (theme), script);
g_free (script);
}
static void
theme_adium_append_message (EmpathyChatView *view,
EmpathyMessage *msg)
{
EmpathyThemeAdium *theme = EMPATHY_THEME_ADIUM (view);
EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
EmpathyContact *sender;
gchar *dup_body = NULL;
const gchar *body;
const gchar *name;
EmpathyAvatar *avatar;
const gchar *avatar_filename = NULL;
time_t timestamp;
gchar *html = NULL;
gsize len = 0;
const gchar *func;
if (!priv->page_loaded) {
priv->message_queue = g_list_prepend (priv->message_queue,
g_object_ref (msg));
return;
}
/* Get information */
sender = empathy_message_get_sender (msg);
timestamp = empathy_message_get_timestamp (msg);
body = empathy_message_get_body (msg);
dup_body = theme_adium_parse_body (theme, body);
if (dup_body) {
body = dup_body;
}
name = empathy_contact_get_name (sender);
/* If this is a /me, append an event */
if (empathy_message_get_tptype (msg) == TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION) {
gchar *str;
str = g_strdup_printf ("%s %s", name, body);
empathy_chat_view_append_event (view, str);
g_free (str);
g_free (dup_body);
return;
}
/* Get the avatar filename, or a fallback */
avatar = empathy_contact_get_avatar (sender);
if (avatar) {
avatar_filename = avatar->filename;
}
if (!avatar_filename) {
if (!priv->default_avatar_filename) {
priv->default_avatar_filename =
empathy_filename_from_icon_name ("stock_person",
GTK_ICON_SIZE_DIALOG);
}
avatar_filename = priv->default_avatar_filename;
}
/* Get the right html/func to add the message */
func = "appendMessage";
if (empathy_contact_equal (priv->last_contact, sender)) {
func = "appendNextMessage";
if (empathy_contact_is_user (sender)) {
html = priv->out_nextcontent_html;
len = priv->out_nextcontent_len;
}
if (!html) {
html = priv->in_nextcontent_html;
len = priv->in_nextcontent_len;
}
}
if (!html) {
if (empathy_contact_is_user (sender)) {
html = priv->out_content_html;
len = priv->out_content_len;
}
if (!html) {
html = priv->in_content_html;
len = priv->in_content_len;
}
}
theme_adium_append_html (theme, func, html, len, body, avatar_filename,
name, timestamp);
/* Keep the sender of the last displayed message */
if (priv->last_contact) {
g_object_unref (priv->last_contact);
}
priv->last_contact = g_object_ref (sender);
g_free (dup_body);
}
static void
theme_adium_append_event (EmpathyChatView *view,
const gchar *str)
{
EmpathyThemeAdium *theme = EMPATHY_THEME_ADIUM (view);
EmpathyThemeAdiumPriv *priv = GET_PRIV (theme);
if (priv->status_html) {
theme_adium_append_html (theme, "appendMessage",
priv->status_html, priv->status_len,
str, NULL, NULL,
empathy_time_get_current ());
}
/* There is no last contact */
if (priv->last_contact) {
g_object_unref (priv->last_contact);
priv->last_contact = NULL;
}
}
static void
theme_adium_scroll (EmpathyChatView *view,
gboolean allow_scrolling)
{
/* FIXME: Is it possible? I guess we need a js function, but I don't
* see any... */
}
static void
theme_adium_scroll_down (EmpathyChatView *view)
{
webkit_web_view_execute_script (WEBKIT_WEB_VIEW (view), "scrollToBottom()");
}
static gboolean
theme_adium_get_has_selection (EmpathyChatView *view)
{
return webkit_web_view_has_selection (WEBKIT_WEB_VIEW (view));
}
static void
theme_adium_clear (EmpathyChatView *view)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
gchar *basedir_uri;
priv->page_loaded = FALSE;
basedir_uri = g_strconcat ("file://", priv->basedir, NULL);
webkit_web_view_load_html_string (WEBKIT_WEB_VIEW (view),
priv->template_html, basedir_uri);
g_free (basedir_uri);
}
static gboolean
theme_adium_find_previous (EmpathyChatView *view,
const gchar *search_criteria,
gboolean new_search)
{
return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
search_criteria, FALSE,
FALSE, TRUE);
}
static gboolean
theme_adium_find_next (EmpathyChatView *view,
const gchar *search_criteria,
gboolean new_search)
{
return webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
search_criteria, FALSE,
TRUE, TRUE);
}
static void
theme_adium_find_abilities (EmpathyChatView *view,
const gchar *search_criteria,
gboolean *can_do_previous,
gboolean *can_do_next)
{
/* FIXME: Does webkit provide an API for that? We have wrap=true in
* find_next and find_previous to work around this problem. */
if (can_do_previous)
*can_do_previous = TRUE;
if (can_do_next)
*can_do_next = TRUE;
}
static void
theme_adium_highlight (EmpathyChatView *view,
const gchar *text)
{
webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
webkit_web_view_mark_text_matches (WEBKIT_WEB_VIEW (view),
text, FALSE, 0);
webkit_web_view_set_highlight_text_matches (WEBKIT_WEB_VIEW (view),
TRUE);
}
static void
theme_adium_copy_clipboard (EmpathyChatView *view)
{
webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
}
static void
theme_adium_iface_init (EmpathyChatViewIface *iface)
{
iface->append_message = theme_adium_append_message;
iface->append_event = theme_adium_append_event;
iface->scroll = theme_adium_scroll;
iface->scroll_down = theme_adium_scroll_down;
iface->get_has_selection = theme_adium_get_has_selection;
iface->clear = theme_adium_clear;
iface->find_previous = theme_adium_find_previous;
iface->find_next = theme_adium_find_next;
iface->find_abilities = theme_adium_find_abilities;
iface->highlight = theme_adium_highlight;
iface->copy_clipboard = theme_adium_copy_clipboard;
}
static void
theme_adium_load_finished_cb (WebKitWebView *view,
WebKitWebFrame *frame,
gpointer user_data)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (view);
EmpathyChatView *chat_view = EMPATHY_CHAT_VIEW (view);
DEBUG ("Page loaded");
priv->page_loaded = TRUE;
/* Display queued messages */
priv->message_queue = g_list_reverse (priv->message_queue);
while (priv->message_queue) {
EmpathyMessage *message = priv->message_queue->data;
theme_adium_append_message (chat_view, message);
priv->message_queue = g_list_remove (priv->message_queue, message);
g_object_unref (message);
}
}
static void
theme_adium_finalize (GObject *object)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
g_free (priv->basedir);
g_free (priv->template_html);
g_free (priv->in_content_html);
g_free (priv->in_nextcontent_html);
g_free (priv->out_content_html);
g_free (priv->out_nextcontent_html);
g_free (priv->default_avatar_filename);
g_free (priv->path);
G_OBJECT_CLASS (empathy_theme_adium_parent_class)->finalize (object);
}
static void
theme_adium_dispose (GObject *object)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
if (priv->smiley_manager) {
g_object_unref (priv->smiley_manager);
priv->smiley_manager = NULL;
}
if (priv->last_contact) {
g_object_unref (priv->last_contact);
priv->last_contact = NULL;
}
G_OBJECT_CLASS (empathy_theme_adium_parent_class)->dispose (object);
}
static void
theme_adium_constructed (GObject *object)
{
theme_adium_load (EMPATHY_THEME_ADIUM (object));
}
static void
theme_adium_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
switch (param_id) {
case PROP_PATH:
g_value_set_string (value, priv->path);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
};
}
static void
theme_adium_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
EmpathyThemeAdiumPriv *priv = GET_PRIV (object);
switch (param_id) {
case PROP_PATH:
g_free (priv->path);
priv->path = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
};
}
static void
empathy_theme_adium_class_init (EmpathyThemeAdiumClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = theme_adium_finalize;
object_class->dispose = theme_adium_dispose;
object_class->constructed = theme_adium_constructed;
object_class->get_property = theme_adium_get_property;
object_class->set_property = theme_adium_set_property;
g_object_class_install_property (object_class,
PROP_PATH,
g_param_spec_string ("path",
"The theme path",
"Path to the adium theme",
g_get_home_dir (),
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_READWRITE));
g_type_class_add_private (object_class, sizeof (EmpathyThemeAdiumPriv));
}
static void
empathy_theme_adium_init (EmpathyThemeAdium *theme)
{
EmpathyThemeAdiumPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (theme,
EMPATHY_TYPE_THEME_ADIUM, EmpathyThemeAdiumPriv);
theme->priv = priv;
priv->smiley_manager = empathy_smiley_manager_dup_singleton ();
g_signal_connect (theme, "load-finished",
G_CALLBACK (theme_adium_load_finished_cb),
NULL);
g_signal_connect (theme, "navigation-requested",
G_CALLBACK (theme_adium_navigation_requested_cb),
NULL);
g_signal_connect (theme, "populate-popup",
G_CALLBACK (theme_adium_populate_popup_cb),
NULL);
}
EmpathyThemeAdium *
empathy_theme_adium_new (const gchar *path)
{
g_return_val_if_fail (empathy_theme_adium_is_valid (path), NULL);
return g_object_new (EMPATHY_TYPE_THEME_ADIUM,
"path", path,
NULL);
}
gboolean
empathy_theme_adium_is_valid (const gchar *path)
{
gboolean ret;
gchar *file;
/* We ship a default Template.html as fallback if there is any problem
* with the one inside the theme. The only other required file is
* Content.html for incoming messages (outgoing fallback to use
* incoming). */
file = g_build_filename (path, "Contents", "Resources", "Incoming",
"Content.html", NULL);
ret = g_file_test (file, G_FILE_TEST_EXISTS);
g_free (file);
return ret;
}