path: root/modules/settings/e-settings-mail-formatter.c

/*
 * e-settings-mail-formatter.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 "e-settings-mail-formatter.h"

#include <e-util/e-util.h>
#include <em-format/e-mail-formatter.h>
#include <mail/e-mail-reader-utils.h>

#define E_SETTINGS_MAIL_FORMATTER_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_SETTINGS_MAIL_FORMATTER, ESettingsMailFormatterPrivate))

struct _ESettingsMailFormatterPrivate {
    GSettings *settings;
    gulong headers_changed_id;
};

G_DEFINE_DYNAMIC_TYPE (
    ESettingsMailFormatter,
    e_settings_mail_formatter,
    E_TYPE_EXTENSION)

static EMailFormatter *
settings_mail_formatter_get_extensible (ESettingsMailFormatter *extension)
{
    EExtensible *extensible;

    extensible = e_extension_get_extensible (E_EXTENSION (extension));

    return E_MAIL_FORMATTER (extensible);
}

static gboolean
settings_mail_formatter_map_string_to_rgba (GValue *value,
                                            GVariant *variant,
                                            gpointer user_data)
{
    GdkRGBA rgba;
    const gchar *string;
    gboolean success = FALSE;

    string = g_variant_get_string (variant, NULL);
    if (gdk_rgba_parse (&rgba, string)) {
        g_value_set_boxed (value, &rgba);
        success = TRUE;
    }

    return success;
}

static void
settings_mail_formatter_headers_changed_cb (GSettings *settings,
                                            const gchar *key,
                                            ESettingsMailFormatter *extension)
{
    EMailFormatter *formatter;
    gchar **headers;
    gint ii;

    formatter = settings_mail_formatter_get_extensible (extension);

    headers = g_settings_get_strv (settings, "headers");

    e_mail_formatter_clear_headers (formatter);
    for (ii = 0; headers && headers[ii]; ii++) {
        EMailReaderHeader *h;
        const gchar *xml = headers[ii];

        h = e_mail_reader_header_from_xml (xml);
        if (h && h->enabled)
            e_mail_formatter_add_header (
                formatter, h->name, NULL,
                E_MAIL_FORMATTER_HEADER_FLAG_BOLD);

        e_mail_reader_header_free (h);
    }

    if (!headers || !headers[0])
        e_mail_formatter_set_default_headers (formatter);

    g_strfreev (headers);
}

static void
settings_mail_formatter_dispose (GObject *object)
{
    ESettingsMailFormatterPrivate *priv;

    priv = E_SETTINGS_MAIL_FORMATTER_GET_PRIVATE (object);

    if (priv->headers_changed_id > 0) {
        g_signal_handler_disconnect (
            priv->settings,
            priv->headers_changed_id);
        priv->headers_changed_id = 0;
    }

    g_clear_object (&priv->settings);

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_settings_mail_formatter_parent_class)->
        dispose (object);
}

static void
settings_mail_formatter_constructed (GObject *object)
{
    ESettingsMailFormatter *extension;
    EMailFormatter *formatter;
    GSettings *settings;

    extension = E_SETTINGS_MAIL_FORMATTER (object);
    formatter = settings_mail_formatter_get_extensible (extension);

    settings = extension->priv->settings;

    g_settings_bind_with_mapping (
        settings, "citation-color",
        formatter, "citation-color",
        G_SETTINGS_BIND_GET,
        settings_mail_formatter_map_string_to_rgba,
        (GSettingsBindSetMapping) NULL,
        NULL, (GDestroyNotify) NULL);

    g_settings_bind (
        settings, "mark-citations",
        formatter, "mark-citations",
        G_SETTINGS_BIND_GET);

    g_settings_bind (
        settings, "image-loading-policy",
        formatter, "image-loading-policy",
        G_SETTINGS_BIND_GET);

    g_settings_bind (
        settings, "show-sender-photo",
        formatter, "show-sender-photo",
        G_SETTINGS_BIND_GET);

    g_settings_bind (
        settings, "show-real-date",
        formatter, "show-real-date",
        G_SETTINGS_BIND_GET);

    g_settings_bind (
        settings, "show-animated-images",
        formatter, "animate-images",
        G_SETTINGS_BIND_GET);

    extension->priv->headers_changed_id = g_signal_connect (
        extension->priv->settings, "changed::headers",
        G_CALLBACK (settings_mail_formatter_headers_changed_cb),
        extension);

    /* Initial synchronization */
    settings_mail_formatter_headers_changed_cb (
        extension->priv->settings, NULL, extension);

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_settings_mail_formatter_parent_class)->
        constructed (object);
}

static void
e_settings_mail_formatter_class_init (ESettingsMailFormatterClass *class)
{
    GObjectClass *object_class;
    EExtensionClass *extension_class;

    g_type_class_add_private (
        class, sizeof (ESettingsMailFormatterPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = settings_mail_formatter_dispose;
    object_class->constructed = settings_mail_formatter_constructed;

    extension_class = E_EXTENSION_CLASS (class);
    extension_class->extensible_type = E_TYPE_MAIL_FORMATTER;
}

static void
e_settings_mail_formatter_class_finalize (ESettingsMailFormatterClass *class)
{
}

static void
e_settings_mail_formatter_init (ESettingsMailFormatter *extension)
{
    GSettings *settings;

    extension->priv = E_SETTINGS_MAIL_FORMATTER_GET_PRIVATE (extension);

    settings = g_settings_new ("org.gnome.evolution.mail");
    extension->priv->settings = settings;
}

void
e_settings_mail_formatter_type_register (GTypeModule *type_module)
{
    /* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
     *     function, so we have to wrap it with a public function in
     *     order to register types from a separate compilation unit. */
    e_settings_mail_formatter_register_type (type_module);
}