path: root/modules/cal-config-google/e-google-chooser-dialog.c

/*
 * e-google-chooser-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; 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-dialog.h"

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

#define E_GOOGLE_CHOOSER_DIALOG_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_GOOGLE_CHOOSER_DIALOG, EGoogleChooserDialogPrivate))

struct _EGoogleChooserDialogPrivate {
    EGoogleChooser *chooser;
    GCancellable *cancellable;

    GtkWidget *info_bar;        /* not referenced */
    GtkWidget *info_bar_label;  /* not referenced */
};

enum {
    PROP_0,
    PROP_CHOOSER
};

G_DEFINE_DYNAMIC_TYPE (
    EGoogleChooserDialog,
    e_google_chooser_dialog,
    GTK_TYPE_DIALOG)

static void
google_chooser_dialog_populated_cb (EGoogleChooser *chooser,
                                    GAsyncResult *result,
                                    EGoogleChooserDialog *dialog)
{
    GdkWindow *window;
    GError *error = NULL;

    e_google_chooser_populate_finish (chooser, result, &error);

    /* Ignore cancellations, and leave the mouse cursor alone
     * since the GdkWindow may have already been destroyed. */
    if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
        goto exit;

    /* Reset the mouse cursor to normal. */
    window = gtk_widget_get_window (GTK_WIDGET (dialog));
    gdk_window_set_cursor (window, NULL);

    if (error != NULL) {
        GtkLabel *label;

        label = GTK_LABEL (dialog->priv->info_bar_label);
        gtk_label_set_text (label, error->message);
        gtk_widget_show (dialog->priv->info_bar);

        g_error_free (error);
        goto exit;
    }

exit:
    g_object_unref (dialog);
}

static void
google_chooser_dialog_row_activated_cb (GtkTreeView *tree_view,
                                        GtkTreePath *path,
                                        GtkTreeViewColumn *column,
                                        GtkDialog *dialog)
{
    gtk_dialog_response (dialog, GTK_RESPONSE_APPLY);
}

static void
google_chooser_dialog_selection_changed_cb (GtkTreeSelection *selection,
                                            GtkDialog *dialog)
{
    gboolean sensitive;

    sensitive = (gtk_tree_selection_count_selected_rows (selection) > 0);

    gtk_dialog_set_response_sensitive (
        dialog, GTK_RESPONSE_APPLY, sensitive);
}

static void
google_chooser_dialog_set_chooser (EGoogleChooserDialog *dialog,
                                   EGoogleChooser *chooser)
{
    g_return_if_fail (E_IS_GOOGLE_CHOOSER (chooser));
    g_return_if_fail (dialog->priv->chooser == NULL);

    dialog->priv->chooser = g_object_ref_sink (chooser);
}

static void
google_chooser_dialog_set_property (GObject *object,
                                    guint property_id,
                                    const GValue *value,
                                    GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_CHOOSER:
            google_chooser_dialog_set_chooser (
                E_GOOGLE_CHOOSER_DIALOG (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
google_chooser_dialog_get_property (GObject *object,
                                    guint property_id,
                                    GValue *value,
                                    GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_CHOOSER:
            g_value_set_object (
                value,
                e_google_chooser_dialog_get_chooser (
                E_GOOGLE_CHOOSER_DIALOG (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
google_chooser_dialog_dispose (GObject *object)
{
    EGoogleChooserDialogPrivate *priv;

    priv = E_GOOGLE_CHOOSER_DIALOG_GET_PRIVATE (object);

    if (priv->chooser != NULL) {
        g_signal_handlers_disconnect_by_func (
            priv->chooser, google_chooser_dialog_row_activated_cb,
            object);
        g_object_unref (priv->chooser);
        priv->chooser = NULL;
    }

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

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

static void
google_chooser_dialog_constructed (GObject *object)
{
    EGoogleChooserDialog *dialog;
    GtkTreeSelection *selection;
    GtkWidget *container;
    GtkWidget *widget;
    GtkWidget *vbox;
    const gchar *title;

    dialog = E_GOOGLE_CHOOSER_DIALOG (object);

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

    gtk_dialog_add_button (
        GTK_DIALOG (dialog),
        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);

    gtk_dialog_add_button (
        GTK_DIALOG (dialog),
        GTK_STOCK_APPLY, GTK_RESPONSE_APPLY);

    gtk_dialog_set_default_response (
        GTK_DIALOG (dialog), GTK_RESPONSE_APPLY);
    gtk_dialog_set_response_sensitive (
        GTK_DIALOG (dialog), GTK_RESPONSE_APPLY, FALSE);

    title = _("Choose a Calendar");
    gtk_window_set_title (GTK_WINDOW (dialog), title);
    gtk_window_set_default_size (GTK_WINDOW (dialog), 400, 400);
    gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);

    container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));

    widget = gtk_vbox_new (FALSE, 6);
    gtk_container_set_border_width (GTK_CONTAINER (widget), 5);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    gtk_widget_show (widget);

    container = vbox = widget;

    widget = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (
        GTK_SCROLLED_WINDOW (widget),
        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (
        GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = GTK_WIDGET (dialog->priv->chooser);
    gtk_container_add (GTK_CONTAINER (container), widget);
    gtk_widget_show (widget);

    g_signal_connect (
        widget, "row-activated",
        G_CALLBACK (google_chooser_dialog_row_activated_cb), dialog);

    /* Build the info bar, but hide it initially. */

    container = vbox;

    widget = gtk_info_bar_new ();
    gtk_info_bar_set_message_type (
        GTK_INFO_BAR (widget), GTK_MESSAGE_WARNING);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    dialog->priv->info_bar = widget;  /* do not reference */
    gtk_widget_hide (widget);

    container = gtk_info_bar_get_content_area (GTK_INFO_BAR (widget));

    widget = gtk_hbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_image_new_from_stock (
        GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_MENU);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);

    widget = gtk_label_new ("");
    gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    dialog->priv->info_bar_label = widget;  /* do not reference */
    gtk_widget_show (widget);

    /* Listen for tree view selection changes. */

    selection = gtk_tree_view_get_selection (
        GTK_TREE_VIEW (dialog->priv->chooser));

    g_signal_connect (
        selection, "changed",
        G_CALLBACK (google_chooser_dialog_selection_changed_cb),
        dialog);
}

static void
google_chooser_dialog_realize (GtkWidget *widget)
{
    EGoogleChooserDialogPrivate *priv;
    GdkCursor *cursor;
    GdkWindow *window;
    GdkDisplay *display;

    priv = E_GOOGLE_CHOOSER_DIALOG_GET_PRIVATE (widget);

    /* Chain up to parent's realize() method. */
    GTK_WIDGET_CLASS (e_google_chooser_dialog_parent_class)->
        realize (widget);

    g_return_if_fail (priv->cancellable == NULL);
    priv->cancellable = g_cancellable_new ();

    /* Show a busy mouse cursor while populating. */
    window = gtk_widget_get_window (widget);
    display = gtk_widget_get_display (widget);
    cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
    gdk_window_set_cursor (window, cursor);
    g_object_unref (cursor);

    e_google_chooser_populate (
        priv->chooser, priv->cancellable, (GAsyncReadyCallback)
        google_chooser_dialog_populated_cb, g_object_ref (widget));
}

static void
google_chooser_dialog_response (GtkDialog *dialog,
                                gint response_id)
{
    EGoogleChooserDialogPrivate *priv;

    priv = E_GOOGLE_CHOOSER_DIALOG_GET_PRIVATE (dialog);

    if (response_id == GTK_RESPONSE_APPLY)
        e_google_chooser_apply_selected (priv->chooser);
}

static void
e_google_chooser_dialog_class_init (EGoogleChooserDialogClass *class)
{
    GObjectClass *object_class;
    GtkWidgetClass *widget_class;
    GtkDialogClass *dialog_class;

    g_type_class_add_private (class, sizeof (EGoogleChooserDialogPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = google_chooser_dialog_set_property;
    object_class->get_property = google_chooser_dialog_get_property;
    object_class->dispose = google_chooser_dialog_dispose;
    object_class->constructed = google_chooser_dialog_constructed;

    widget_class = GTK_WIDGET_CLASS (class);
    widget_class->realize = google_chooser_dialog_realize;

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

    g_object_class_install_property (
        object_class,
        PROP_CHOOSER,
        g_param_spec_object (
            "chooser",
            NULL,
            NULL,
            E_TYPE_GOOGLE_CHOOSER,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY));
}

static void
e_google_chooser_dialog_class_finalize (EGoogleChooserDialogClass *class)
{
}

static void
e_google_chooser_dialog_init (EGoogleChooserDialog *dialog)
{
    dialog->priv = E_GOOGLE_CHOOSER_DIALOG_GET_PRIVATE (dialog);
}

void
e_google_chooser_dialog_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_dialog_register_type (type_module);
}

GtkWidget *
e_google_chooser_dialog_new (EGoogleChooser *chooser,
                             GtkWindow *parent)
{
    g_return_val_if_fail (E_IS_GOOGLE_CHOOSER (chooser), NULL);
    g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), NULL);

    return g_object_new (
        E_TYPE_GOOGLE_CHOOSER_DIALOG,
        "chooser", chooser, "transient-for", parent, NULL);
}

EGoogleChooser *
e_google_chooser_dialog_get_chooser (EGoogleChooserDialog *dialog)
{
    g_return_val_if_fail (E_IS_GOOGLE_CHOOSER_DIALOG (dialog), NULL);

    return dialog->priv->chooser;
}