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/*
 * e-google-chooser-button.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 <webcal://www.gnu.org/licenses/>
 *
 */

#include "e-google-chooser-button.h"

#include <config.h>
#include <glib/gi18n-lib.h>

#include "e-google-chooser-dialog.h"

#define E_GOOGLE_CHOOSER_BUTTON_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_GOOGLE_CHOOSER_BUTTON, EGoogleChooserButtonPrivate))

struct _EGoogleChooserButtonPrivate {
    ESource *source;
    GtkWidget *label;
};

enum {
    PROP_0,
    PROP_DISPLAY_NAME,
    PROP_SOURCE
};

G_DEFINE_DYNAMIC_TYPE (
    EGoogleChooserButton,
    e_google_chooser_button,
    GTK_TYPE_BUTTON)

static void
google_chooser_button_set_source (EGoogleChooserButton *button,
                                  ESource *source)
{
    g_return_if_fail (E_IS_SOURCE (source));
    g_return_if_fail (button->priv->source == NULL);

    button->priv->source = g_object_ref (source);
}

static void
google_chooser_button_set_property (GObject *object,
                                    guint property_id,
                                    const GValue *value,
                                    GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_SOURCE:
            google_chooser_button_set_source (
                E_GOOGLE_CHOOSER_BUTTON (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
google_chooser_button_get_property (GObject *object,
                                    guint property_id,
                                    GValue *value,
                                    GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_SOURCE:
            g_value_set_object (
                value,
                e_google_chooser_button_get_source (
                E_GOOGLE_CHOOSER_BUTTON (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
google_chooser_button_dispose (GObject *object)
{
    EGoogleChooserButtonPrivate *priv;

    priv = E_GOOGLE_CHOOSER_BUTTON_GET_PRIVATE (object);

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

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

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

static void
google_chooser_button_constructed (GObject *object)
{
    EGoogleChooserButton *button;
    ESourceWebdav *webdav_extension;
    GBindingFlags binding_flags;
    GtkWidget *widget;
    const gchar *display_name;

    button = E_GOOGLE_CHOOSER_BUTTON (object);

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

    widget = gtk_label_new (_("Default User Calendar"));
    gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
    gtk_container_add (GTK_CONTAINER (button), widget);
    button->priv->label = g_object_ref (widget);
    gtk_widget_show (widget);

    webdav_extension = e_source_get_extension (
        button->priv->source, E_SOURCE_EXTENSION_WEBDAV_BACKEND);
    display_name = e_source_webdav_get_display_name (webdav_extension);

    binding_flags = G_BINDING_DEFAULT;
    if (display_name != NULL && *display_name != '\0')
        binding_flags |= G_BINDING_SYNC_CREATE;

    g_object_bind_property (
        webdav_extension, "display-name",
        button->priv->label, "label",
        binding_flags);
}

static void
google_chooser_button_clicked (GtkButton *button)
{
    EGoogleChooserButtonPrivate *priv;
    GtkWidget *chooser;
    GtkWidget *dialog;
    gpointer parent;

    priv = E_GOOGLE_CHOOSER_BUTTON_GET_PRIVATE (button);

    parent = gtk_widget_get_toplevel (GTK_WIDGET (button));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    chooser = e_google_chooser_new (priv->source);

    dialog = e_google_chooser_dialog_new (
        E_GOOGLE_CHOOSER (chooser), parent);

    if (parent != NULL)
        g_object_bind_property (
            parent, "icon-name",
            dialog, "icon-name",
            G_BINDING_SYNC_CREATE);

    gtk_dialog_run (GTK_DIALOG (dialog));

    gtk_widget_destroy (dialog);
}

static void
e_google_chooser_button_class_init (EGoogleChooserButtonClass *class)
{
    GObjectClass *object_class;
    GtkButtonClass *button_class;

    g_type_class_add_private (class, sizeof (EGoogleChooserButtonPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = google_chooser_button_set_property;
    object_class->get_property = google_chooser_button_get_property;
    object_class->dispose = google_chooser_button_dispose;
    object_class->constructed = google_chooser_button_constructed;

    button_class = GTK_BUTTON_CLASS (class);
    button_class->clicked = google_chooser_button_clicked;

    g_object_class_install_property (
        object_class,
        PROP_SOURCE,
        g_param_spec_object (
            "source",
            NULL,
            NULL,
            E_TYPE_SOURCE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY));
}

static void
e_google_chooser_button_class_finalize (EGoogleChooserButtonClass *class)
{
}

static void
e_google_chooser_button_init (EGoogleChooserButton *button)
{
    button->priv = E_GOOGLE_CHOOSER_BUTTON_GET_PRIVATE (button);
}

void
e_google_chooser_button_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_google_chooser_button_register_type (type_module);
}

GtkWidget *
e_google_chooser_button_new (ESource *source)
{
    g_return_val_if_fail (E_IS_SOURCE (source), NULL);

    return g_object_new (
        E_TYPE_GOOGLE_CHOOSER_BUTTON,
        "source", source, NULL);
}

ESource *
e_google_chooser_button_get_source (EGoogleChooserButton *button)
{
    g_return_val_if_fail (E_IS_GOOGLE_CHOOSER_BUTTON (button), NULL);

    return button->priv->source;
}