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/*
* 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 "empathy-webkit-utils.h"
#include "empathy-smiley-manager.h"
#define BORING_DPI_DEFAULT 96
static void
empathy_webkit_match_newline (const gchar *text,
gssize len,
EmpathyStringReplace replace_func,
EmpathyStringParser *sub_parsers,
gpointer user_data)
{
GString *string = user_data;
gint i;
gint prev = 0;
if (len < 0)
len = G_MAXSSIZE;
/* Replace \n by <br/> */
for (i = 0; i < len && text[i] != '\0'; i++)
{
if (text[i] == '\n')
{
empathy_string_parser_substr (text + prev, i - prev,
sub_parsers, user_data);
g_string_append (string, "<br/>");
prev = i + 1;
}
}
empathy_string_parser_substr (text + prev, i - prev,
sub_parsers, user_data);
}
static void
empathy_webkit_replace_smiley (const gchar *text,
gssize len,
gpointer match_data,
gpointer user_data)
{
EmpathySmileyHit *hit = match_data;
GString *string = user_data;
/* Replace smiley by a <img/> tag */
g_string_append_printf (string,
"<img src=\"%s\" alt=\"%.*s\" title=\"%.*s\"/>",
hit->path, (int)len, text, (int)len, text);
}
static EmpathyStringParser string_parsers[] = {
{ empathy_string_match_link, empathy_string_replace_link },
{ empathy_webkit_match_newline, NULL },
{ empathy_string_match_all, empathy_string_replace_escaped },
{ NULL, NULL}
};
static EmpathyStringParser string_parsers_with_smiley[] = {
{ empathy_string_match_link, empathy_string_replace_link },
{ empathy_string_match_smiley, empathy_webkit_replace_smiley },
{ empathy_webkit_match_newline, NULL },
{ empathy_string_match_all, empathy_string_replace_escaped },
{ NULL, NULL }
};
EmpathyStringParser *
empathy_webkit_get_string_parser (gboolean smileys)
{
if (smileys)
return string_parsers_with_smiley;
else
return string_parsers;
}
static gboolean
webkit_get_font_family (GValue *value,
GVariant *variant,
gpointer user_data)
{
PangoFontDescription *font = pango_font_description_from_string (
g_variant_get_string (variant, NULL));
if (font == NULL)
return FALSE;
g_value_set_string (value, pango_font_description_get_family (font));
pango_font_description_free (font);
return TRUE;
}
static gboolean
webkit_get_font_size (GValue *value,
GVariant *variant,
gpointer user_data)
{
PangoFontDescription *font = pango_font_description_from_string (
g_variant_get_string (variant, NULL));
int size;
if (font == NULL)
return FALSE;
size = pango_font_description_get_size (font) / PANGO_SCALE;
if (pango_font_description_get_size_is_absolute (font))
{
GdkScreen *screen = gdk_screen_get_default ();
double dpi;
if (screen != NULL)
dpi = gdk_screen_get_resolution (screen);
else
dpi = BORING_DPI_DEFAULT;
size = (gint) (size / (dpi / 72));
}
g_value_set_int (value, size);
pango_font_description_free (font);
return TRUE;
}
void
empathy_webkit_bind_font_setting (WebKitWebView *webview,
GSettings *gsettings,
const char *key)
{
WebKitWebSettings *settings = webkit_web_view_get_settings (webview);
g_settings_bind_with_mapping (gsettings, key,
settings, "default-font-family",
G_SETTINGS_BIND_GET,
webkit_get_font_family,
NULL,
NULL, NULL);
g_settings_bind_with_mapping (gsettings, key,
settings, "default-font-size",
G_SETTINGS_BIND_GET,
webkit_get_font_size,
NULL,
NULL, NULL);
}
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