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-rw-r--r--e-util/e-online-button.c210
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diff --git a/e-util/e-online-button.c b/e-util/e-online-button.c
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+/*
+ * 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/>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-online-button.h"
+
+#include <glib/gi18n.h>
+
+#define E_ONLINE_BUTTON_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_ONLINE_BUTTON, EOnlineButtonPrivate))
+
+#define ONLINE_TOOLTIP \
+ _("Evolution is currently online. Click this button to work offline.")
+
+#define OFFLINE_TOOLTIP \
+ _("Evolution is currently offline. Click this button to work online.")
+
+#define NETWORK_UNAVAILABLE_TOOLTIP \
+ _("Evolution is currently offline because the network is unavailable.")
+
+struct _EOnlineButtonPrivate {
+ GtkWidget *image;
+ gboolean online;
+};
+
+enum {
+ PROP_0,
+ PROP_ONLINE
+};
+
+G_DEFINE_TYPE (
+ EOnlineButton,
+ e_online_button,
+ GTK_TYPE_BUTTON)
+
+static void
+online_button_update_tooltip (EOnlineButton *button)
+{
+ const gchar *tooltip;
+
+ if (e_online_button_get_online (button))
+ tooltip = ONLINE_TOOLTIP;
+ else if (gtk_widget_get_sensitive (GTK_WIDGET (button)))
+ tooltip = OFFLINE_TOOLTIP;
+ else
+ tooltip = NETWORK_UNAVAILABLE_TOOLTIP;
+
+ gtk_widget_set_tooltip_text (GTK_WIDGET (button), tooltip);
+}
+
+static void
+online_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_ONLINE:
+ e_online_button_set_online (
+ E_ONLINE_BUTTON (object),
+ g_value_get_boolean (value));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+online_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_ONLINE:
+ g_value_set_boolean (
+ value, e_online_button_get_online (
+ E_ONLINE_BUTTON (object)));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+online_button_dispose (GObject *object)
+{
+ EOnlineButtonPrivate *priv;
+
+ priv = E_ONLINE_BUTTON_GET_PRIVATE (object);
+
+ if (priv->image != NULL) {
+ g_object_unref (priv->image);
+ priv->image = NULL;
+ }
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (e_online_button_parent_class)->dispose (object);
+}
+
+static void
+e_online_button_class_init (EOnlineButtonClass *class)
+{
+ GObjectClass *object_class;
+
+ g_type_class_add_private (class, sizeof (EOnlineButtonPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->set_property = online_button_set_property;
+ object_class->get_property = online_button_get_property;
+ object_class->dispose = online_button_dispose;
+
+ g_object_class_install_property (
+ object_class,
+ PROP_ONLINE,
+ g_param_spec_boolean (
+ "online",
+ "Online",
+ "The button state is online",
+ TRUE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+e_online_button_init (EOnlineButton *button)
+{
+ GtkWidget *widget;
+
+ button->priv = E_ONLINE_BUTTON_GET_PRIVATE (button);
+
+ gtk_widget_set_can_focus (GTK_WIDGET (button), FALSE);
+ gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+
+ widget = gtk_image_new ();
+ gtk_container_add (GTK_CONTAINER (button), widget);
+ button->priv->image = g_object_ref (widget);
+ gtk_widget_show (widget);
+
+ g_signal_connect (
+ button, "notify::online",
+ G_CALLBACK (online_button_update_tooltip), NULL);
+
+ g_signal_connect (
+ button, "notify::sensitive",
+ G_CALLBACK (online_button_update_tooltip), NULL);
+}
+
+GtkWidget *
+e_online_button_new (void)
+{
+ return g_object_new (E_TYPE_ONLINE_BUTTON, NULL);
+}
+
+gboolean
+e_online_button_get_online (EOnlineButton *button)
+{
+ g_return_val_if_fail (E_IS_ONLINE_BUTTON (button), FALSE);
+
+ return button->priv->online;
+}
+
+void
+e_online_button_set_online (EOnlineButton *button,
+ gboolean online)
+{
+ GtkImage *image;
+ GtkIconInfo *icon_info;
+ GtkIconTheme *icon_theme;
+ const gchar *filename;
+ const gchar *icon_name;
+
+ g_return_if_fail (E_IS_ONLINE_BUTTON (button));
+
+ if (button->priv->online == online)
+ return;
+
+ button->priv->online = online;
+
+ image = GTK_IMAGE (button->priv->image);
+ icon_name = online ? "online" : "offline";
+ icon_theme = gtk_icon_theme_get_default ();
+
+ /* Prevent GTK+ from scaling these rectangular icons. */
+ icon_info = gtk_icon_theme_lookup_icon (
+ icon_theme, icon_name, GTK_ICON_SIZE_BUTTON, 0);
+ filename = gtk_icon_info_get_filename (icon_info);
+ gtk_image_set_from_file (image, filename);
+ gtk_icon_info_free (icon_info);
+
+ g_object_notify (G_OBJECT (button), "online");
+}