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path: root/e-util/e-source-config-dialog.c
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/*
 * e-source-config-dialog.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.
 *
 * 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 General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glib/gi18n-lib.h>

#include "e-source-config-dialog.h"

#include "e-alert-bar.h"
#include "e-alert-dialog.h"
#include "e-alert-sink.h"
#include "e-misc-utils.h"

#define E_SOURCE_CONFIG_DIALOG_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_SOURCE_CONFIG_DIALOG, ESourceConfigDialogPrivate))

struct _ESourceConfigDialogPrivate {
    ESourceConfig *config;
    ESourceRegistry *registry;

    GtkWidget *alert_bar;
    gulong alert_bar_visible_handler_id;
};

enum {
    PROP_0,
    PROP_CONFIG
};

/* Forward Declarations */
static void e_source_config_dialog_alert_sink_init
                    (EAlertSinkInterface *iface);

G_DEFINE_TYPE_WITH_CODE (
    ESourceConfigDialog,
    e_source_config_dialog,
    GTK_TYPE_DIALOG,
    G_IMPLEMENT_INTERFACE (
        E_TYPE_ALERT_SINK,
        e_source_config_dialog_alert_sink_init))

static void
source_config_dialog_commit_cb (GObject *object,
                                GAsyncResult *result,
                                gpointer user_data)
{
    ESourceConfig *config;
    ESourceConfigDialog *dialog;
    GdkWindow *gdk_window;
    GError *error = NULL;

    config = E_SOURCE_CONFIG (object);
    dialog = E_SOURCE_CONFIG_DIALOG (user_data);

    /* Set the cursor back to normal. */
    gdk_window = gtk_widget_get_window (GTK_WIDGET (dialog));
    gdk_window_set_cursor (gdk_window, NULL);

    /* Allow user interaction with window content. */
    gtk_widget_set_sensitive (GTK_WIDGET (dialog), TRUE);

    e_source_config_commit_finish (config, result, &error);

    /* Ignore cancellations. */
    if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
        g_object_unref (dialog);
        g_error_free (error);

    } else if (error != NULL) {
        e_alert_submit (
            E_ALERT_SINK (dialog),
            "system:simple-error",
            error->message, NULL);
        g_object_unref (dialog);
        g_error_free (error);

    } else {
        gtk_widget_destroy (GTK_WIDGET (dialog));
    }
}

static void
source_config_dialog_commit (ESourceConfigDialog *dialog)
{
    GdkCursor *gdk_cursor;
    GdkWindow *gdk_window;
    ESourceConfig *config;

    config = e_source_config_dialog_get_config (dialog);

    /* Clear any previous alerts. */
    e_alert_bar_clear (E_ALERT_BAR (dialog->priv->alert_bar));

    /* Make the cursor appear busy. */
    gdk_cursor = gdk_cursor_new (GDK_WATCH);
    gdk_window = gtk_widget_get_window (GTK_WIDGET (dialog));
    gdk_window_set_cursor (gdk_window, gdk_cursor);
    g_object_unref (gdk_cursor);

    /* Prevent user interaction with window content. */
    gtk_widget_set_sensitive (GTK_WIDGET (dialog), FALSE);

    /* XXX This operation is not cancellable. */
    e_source_config_commit (
        config, NULL,
        source_config_dialog_commit_cb,
        g_object_ref (dialog));
}

static void
source_config_dialog_source_removed_cb (ESourceRegistry *registry,
                                        ESource *removed_source,
                                        ESourceConfigDialog *dialog)
{
    ESourceConfig *config;
    ESource *original_source;

    /* If the ESource being edited is removed, cancel the dialog. */

    config = e_source_config_dialog_get_config (dialog);
    original_source = e_source_config_get_original_source (config);

    if (original_source == NULL)
        return;

    if (!e_source_equal (original_source, removed_source))
        return;

    gtk_dialog_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);
}

static void
source_config_alert_bar_visible_cb (EAlertBar *alert_bar,
                                    GParamSpec *pspec,
                                    ESourceConfigDialog *dialog)
{
    e_source_config_resize_window (dialog->priv->config);
}

static void
source_config_dialog_set_config (ESourceConfigDialog *dialog,
                                 ESourceConfig *config)
{
    ESourceRegistry *registry;

    g_return_if_fail (E_IS_SOURCE_CONFIG (config));
    g_return_if_fail (dialog->priv->config == NULL);

    dialog->priv->config = g_object_ref (config);

    registry = e_source_config_get_registry (config);
    dialog->priv->registry = g_object_ref (registry);

    g_signal_connect (
        registry, "source-removed",
        G_CALLBACK (source_config_dialog_source_removed_cb), dialog);
}

static void
source_config_dialog_set_property (GObject *object,
                                   guint property_id,
                                   const GValue *value,
                                   GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_CONFIG:
            source_config_dialog_set_config (
                E_SOURCE_CONFIG_DIALOG (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
source_config_dialog_get_property (GObject *object,
                                   guint property_id,
                                   GValue *value,
                                   GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_CONFIG:
            g_value_set_object (
                value,
                e_source_config_dialog_get_config (
                E_SOURCE_CONFIG_DIALOG (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
source_config_dialog_dispose (GObject *object)
{
    ESourceConfigDialogPrivate *priv;

    priv = E_SOURCE_CONFIG_DIALOG_GET_PRIVATE (object);

    if (priv->config != NULL) {
        g_object_unref (priv->config);
        priv->config = NULL;
    }

    if (priv->registry != NULL) {
        g_signal_handlers_disconnect_matched (
            priv->registry, G_SIGNAL_MATCH_DATA,
            0, 0, NULL, NULL, object);
        g_object_unref (priv->registry);
        priv->registry = NULL;
    }

    if (priv->alert_bar != NULL) {
        g_signal_handler_disconnect (
            priv->alert_bar,
            priv->alert_bar_visible_handler_id);
        g_object_unref (priv->alert_bar);
        priv->alert_bar = NULL;
    }

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

static void
source_config_dialog_constructed (GObject *object)
{
    ESourceConfigDialogPrivate *priv;
    GtkWidget *content_area;
    GtkWidget *config;
    GtkWidget *widget;
    gulong handler_id;

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

    priv = E_SOURCE_CONFIG_DIALOG_GET_PRIVATE (object);

    config = GTK_WIDGET (priv->config);

    widget = gtk_dialog_get_widget_for_response (
        GTK_DIALOG (object), GTK_RESPONSE_OK);

    gtk_container_set_border_width (GTK_CONTAINER (object), 5);
    gtk_container_set_border_width (GTK_CONTAINER (config), 5);

    content_area = gtk_dialog_get_content_area (GTK_DIALOG (object));
    gtk_box_pack_start (GTK_BOX (content_area), config, TRUE, TRUE, 0);
    gtk_widget_show (config);

    /* Don't use G_BINDING_SYNC_CREATE here.  The ESourceConfig widget
     * is not ready to run check_complete() until after it's realized. */
    g_object_bind_property (
        config, "complete",
        widget, "sensitive",
        G_BINDING_DEFAULT);

    widget = e_alert_bar_new ();
    gtk_box_pack_start (GTK_BOX (content_area), widget, FALSE, FALSE, 0);
    priv->alert_bar = g_object_ref (widget);
    /* EAlertBar controls its own visibility. */

    handler_id = e_signal_connect_notify (
        priv->alert_bar, "notify::visible",
        G_CALLBACK (source_config_alert_bar_visible_cb), object);

    priv->alert_bar_visible_handler_id = handler_id;
}

static void
source_config_dialog_response (GtkDialog *dialog,
                               gint response_id)
{
    /* Do not chain up.  GtkDialog does not implement this method. */

    switch (response_id) {
        case GTK_RESPONSE_OK:
            source_config_dialog_commit (
                E_SOURCE_CONFIG_DIALOG (dialog));
            break;
        case GTK_RESPONSE_CANCEL:
            gtk_widget_destroy (GTK_WIDGET (dialog));
            break;
        default:
            break;
    }
}

static void
source_config_dialog_submit_alert (EAlertSink *alert_sink,
                                   EAlert *alert)
{
    ESourceConfigDialogPrivate *priv;
    EAlertBar *alert_bar;
    GtkWidget *dialog;
    GtkWindow *parent;

    priv = E_SOURCE_CONFIG_DIALOG_GET_PRIVATE (alert_sink);

    switch (e_alert_get_message_type (alert)) {
        case GTK_MESSAGE_INFO:
        case GTK_MESSAGE_WARNING:
        case GTK_MESSAGE_ERROR:
            alert_bar = E_ALERT_BAR (priv->alert_bar);
            e_alert_bar_add_alert (alert_bar, alert);
            break;

        default:
            parent = GTK_WINDOW (alert_sink);
            dialog = e_alert_dialog_new (parent, alert);
            gtk_dialog_run (GTK_DIALOG (dialog));
            gtk_widget_destroy (dialog);
            break;
    }
}

static void
e_source_config_dialog_class_init (ESourceConfigDialogClass *class)
{
    GObjectClass *object_class;
    GtkDialogClass *dialog_class;

    g_type_class_add_private (class, sizeof (ESourceConfigDialogPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = source_config_dialog_set_property;
    object_class->get_property = source_config_dialog_get_property;
    object_class->dispose = source_config_dialog_dispose;
    object_class->constructed = source_config_dialog_constructed;

    dialog_class = GTK_DIALOG_CLASS (class);
    dialog_class->response = source_config_dialog_response;

    g_object_class_install_property (
        object_class,
        PROP_CONFIG,
        g_param_spec_object (
            "config",
            "Config",
            "The ESourceConfig instance",
            E_TYPE_SOURCE_CONFIG,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));
}

static void
e_source_config_dialog_alert_sink_init (EAlertSinkInterface *iface)
{
    iface->submit_alert = source_config_dialog_submit_alert;
}

static void
e_source_config_dialog_init (ESourceConfigDialog *dialog)
{
    dialog->priv = E_SOURCE_CONFIG_DIALOG_GET_PRIVATE (dialog);

    gtk_dialog_add_buttons (
        GTK_DIALOG (dialog),
        _("_Cancel"), GTK_RESPONSE_CANCEL,
        _("_OK"), GTK_RESPONSE_OK,
        NULL);

    gtk_dialog_set_default_response (
        GTK_DIALOG (dialog), GTK_RESPONSE_OK);
}

GtkWidget *
e_source_config_dialog_new (ESourceConfig *config)
{
    g_return_val_if_fail (E_IS_SOURCE_CONFIG (config), NULL);

    return g_object_new (
        E_TYPE_SOURCE_CONFIG_DIALOG,
        "config", config, NULL);
}

ESourceConfig *
e_source_config_dialog_get_config (ESourceConfigDialog *dialog)
{
    g_return_val_if_fail (E_IS_SOURCE_CONFIG_DIALOG (dialog), NULL);

    return dialog->priv->config;
}