/*
* e-mail-config-web-view.c
*
* This program 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 of the License, or (at your option) version 3.
*
* This program 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 the program; if not, see <http://www.gnu.org/licenses/>
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include "e-mail-config-web-view.h"
#include <libebackend/libebackend.h>
#include <shell/e-shell.h>
#include <misc/e-web-view.h>
typedef struct _EMailConfigWebView EMailConfigWebView;
typedef struct _EMailConfigWebViewClass EMailConfigWebViewClass;
struct _EMailConfigWebView {
EExtension parent;
GtkCssProvider *css_provider;
EShellSettings *shell_settings;
};
struct _EMailConfigWebViewClass {
EExtensionClass parent_class;
};
static gpointer parent_class;
/* replaces content of color string */
static void
fix_color_string (gchar *color_string)
{
GdkColor color;
if (!color_string || strlen (color_string) < 13)
return;
if (!gdk_color_parse (color_string, &color))
return;
sprintf (color_string, "#%02x%02x%02x",
(gint) color.red * 256 / 65536,
(gint) color.green * 256 / 65536,
(gint) color.blue * 256 / 65536);
}
static void
mail_config_web_view_load_style (EMailConfigWebView *extension)
{
GString *buffer;
gchar *citation_color;
gchar *monospace_font;
gchar *spell_color;
gchar *variable_font;
gboolean custom_fonts;
gboolean mark_citations;
EExtensible *extensible;
GtkStyleContext *style_context;
GError *error = NULL;
/* Some of our mail and composer preferences are passed down to
* GtkHtml through style properties, unfortunately. This builds
* a style sheet for the EWebView using values from GSettings. */
custom_fonts = e_shell_settings_get_boolean (
extension->shell_settings, "mail-use-custom-fonts");
monospace_font = e_shell_settings_get_string (
extension->shell_settings, "mail-font-monospace");
variable_font = e_shell_settings_get_string (
extension->shell_settings, "mail-font-variable");
mark_citations = e_shell_settings_get_boolean (
extension->shell_settings, "mail-mark-citations");
citation_color = e_shell_settings_get_string (
extension->shell_settings, "mail-citation-color");
spell_color = e_shell_settings_get_string (
extension->shell_settings, "composer-spell-color");
buffer = g_string_new ("EWebView {\n");
fix_color_string (citation_color);
fix_color_string (spell_color);
if (custom_fonts && variable_font != NULL)
g_string_append_printf (
buffer, " font: %s;\n", variable_font);
if (custom_fonts && monospace_font != NULL)
g_string_append_printf (
buffer, " -GtkHTML-fixed-font-name: '%s';\n",
monospace_font);
if (mark_citations && citation_color != NULL)
g_string_append_printf (
buffer, " -GtkHTML-cite-color: %s;\n",
citation_color);
if (spell_color != NULL)
g_string_append_printf (
buffer, " -GtkHTML-spell-error-color: %s;\n",
spell_color);
g_string_append (buffer, "}\n");
gtk_css_provider_load_from_data (
extension->css_provider, buffer->str, buffer->len, &error);
if (error != NULL) {
g_warning ("%s", error->message);
g_error_free (error);
}
g_string_free (buffer, TRUE);
g_free (monospace_font);
g_free (variable_font);
g_free (citation_color);
g_free (spell_color);
extensible = e_extension_get_extensible (E_EXTENSION (extension));
style_context = gtk_widget_get_style_context (GTK_WIDGET (extensible));
gtk_style_context_invalidate (style_context);
}
static void
mail_config_web_view_realize (GtkWidget *widget,
EMailConfigWebView *extension)
{
g_object_bind_property (
extension->shell_settings,
"composer-inline-spelling",
widget, "inline-spelling",
G_BINDING_SYNC_CREATE);
g_object_bind_property (
extension->shell_settings,
"composer-magic-links",
widget, "magic-links",
G_BINDING_SYNC_CREATE);
g_object_bind_property (
extension->shell_settings,
"composer-magic-smileys",
widget, "magic-smileys",
G_BINDING_SYNC_CREATE);
gtk_style_context_add_provider (
gtk_widget_get_style_context (widget),
GTK_STYLE_PROVIDER (extension->css_provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
mail_config_web_view_load_style (extension);
/* Reload the style sheet when certain settings change. */
g_signal_connect_swapped (
extension->shell_settings,
"notify::mail-use-custom-fonts",
G_CALLBACK (mail_config_web_view_load_style),
extension);
g_signal_connect_swapped (
extension->shell_settings,
"notify::mail-font-monospace",
G_CALLBACK (mail_config_web_view_load_style),
extension);
g_signal_connect_swapped (
extension->shell_settings,
"notify::mail-font-variable",
G_CALLBACK (mail_config_web_view_load_style),
extension);
g_signal_connect_swapped (
extension->shell_settings,
"notify::mail-mark-citations",
G_CALLBACK (mail_config_web_view_load_style),
extension);
g_signal_connect_swapped (
extension->shell_settings,
"notify::mail-citation-color",
G_CALLBACK (mail_config_web_view_load_style),
extension);
g_signal_connect_swapped (
extension->shell_settings,
"notify::composer-spell-color",
G_CALLBACK (mail_config_web_view_load_style),
extension);
}
static void
mail_config_web_view_dispose (GObject *object)
{
EMailConfigWebView *extension;
extension = (EMailConfigWebView *) object;
if (extension->css_provider != NULL) {
g_object_unref (extension->css_provider);
extension->css_provider = NULL;
}
if (extension->shell_settings != NULL) {
g_signal_handlers_disconnect_by_func (
extension->shell_settings,
mail_config_web_view_load_style, object);
g_object_unref (extension->shell_settings);
extension->shell_settings = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
mail_config_web_view_constructed (GObject *object)
{
EShell *shell;
EShellSettings *shell_settings;
EMailConfigWebView *extension;
EExtensible *extensible;
shell = e_shell_get_default ();
shell_settings = e_shell_get_shell_settings (shell);
extension = (EMailConfigWebView *) object;
extensible = e_extension_get_extensible (E_EXTENSION (extension));
extension->css_provider = gtk_css_provider_new ();
extension->shell_settings = g_object_ref (shell_settings);
/* Wait to bind shell settings until the EWebView is realized
* so GtkhtmlEditor has a chance to install a GtkHTMLEditorAPI.
* Otherwise our settings will have no effect. */
g_signal_connect (
extensible, "realize",
G_CALLBACK (mail_config_web_view_realize), extension);
/* Chain up to parent's consturcted() method. */
G_OBJECT_CLASS (parent_class)->constructed (object);
}
static void
mail_config_web_view_class_init (EMailConfigWebViewClass *class)
{
GObjectClass *object_class;
EExtensionClass *extension_class;
parent_class = g_type_class_peek_parent (class);
object_class = G_OBJECT_CLASS (class);
object_class->dispose = mail_config_web_view_dispose;
object_class->constructed = mail_config_web_view_constructed;
extension_class = E_EXTENSION_CLASS (class);
extension_class->extensible_type = E_TYPE_WEB_VIEW;
}
void
e_mail_config_web_view_register_type (GTypeModule *type_module)
{
static const GTypeInfo type_info = {
sizeof (EMailConfigWebViewClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) mail_config_web_view_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EMailConfigWebView),
0, /* n_preallocs */
(GInstanceInitFunc) NULL,
NULL /* value_table */
};
g_type_module_register_type (
type_module, E_TYPE_EXTENSION,
"EMailConfigWebView", &type_info, 0);
}
