From 1cb9d1cc920b75b36f4fa828ae6994d8485662a9 Mon Sep 17 00:00:00 2001
From: William Hua <william.hua@canonical.com>
Date: Wed, 19 Mar 2014 16:32:18 +1300
Subject: Use private IBus implementation.

---
 lib/Makefile.am     |  1 +
 lib/ibus-panel.vala | 26 ++++++++++++++++++++++++++
 lib/main.vala       | 48 ++++++++++++++++++++++++++++++++++++++----------
 3 files changed, 65 insertions(+), 10 deletions(-)
 create mode 100644 lib/ibus-panel.vala

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7432d15c..b99073e1 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -10,6 +10,7 @@ indicator_keyboard_service_SOURCES = main.vala          \
                                      source.vala        \
                                      common.vala        \
                                      ibus-menu.vala     \
+                                     ibus-panel.vala    \
                                      window-stack.vala  \
                                      unity-greeter.vala
 indicator_keyboard_service_VALAFLAGS = $(AM_VALAFLAGS)            \
diff --git a/lib/ibus-panel.vala b/lib/ibus-panel.vala
new file mode 100644
index 00000000..460b1eac
--- /dev/null
+++ b/lib/ibus-panel.vala
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2014 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * 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 General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: William Hua <william.hua@canonical.com>
+ */
+
+[DBus (name="com.canonical.IBus.Panel.Private")]
+public interface IBusPanel : Object {
+
+	public abstract void activate_property (string name, uint state) throws IOError;
+
+	public signal void properties_registered (Variant variant);
+	public signal void property_updated (Variant variant);
+}
diff --git a/lib/main.vala b/lib/main.vala
index f012ecb0..4367e9ae 100644
--- a/lib/main.vala
+++ b/lib/main.vala
@@ -37,7 +37,7 @@ public class Indicator.Keyboard.Service : Object {
 	private uint focused_window_id;
 
 	private IBus.Bus? ibus;
-	private IBus.PanelService? panel_service;
+	private IBusPanel? ibus_panel;
 	private uint panel_timeout;
 
 	private Source[]? sources;
@@ -576,11 +576,35 @@ public class Indicator.Keyboard.Service : Object {
 					}
 				}
 
-				if (panel_service == null && sources[i].is_ibus) {
-					if (get_ibus ().request_name (IBus.SERVICE_PANEL, IBus.BusNameFlag.REPLACE_EXISTING) > 0) {
-						panel_service = new IBus.PanelService (get_ibus ().get_connection ());
-						((!) panel_service).register_properties.connect (handle_registered_properties);
-						((!) panel_service).update_property.connect (handle_updated_property);
+				if (ibus_panel == null && sources[i].is_ibus) {
+					var connection = get_ibus ().get_connection ();
+					var name = "org.freedesktop.IBus.Panel";
+					var path = "/org/freedesktop/IBus/Panel";
+
+					try {
+						ibus_panel = connection.get_proxy_sync (name, path);
+
+						((!) ibus_panel).properties_registered.connect ((variant) => {
+							var properties = new IBus.PropList ();
+							properties.deserialize (variant);
+
+							if (properties is IBus.PropList) {
+								handle_properties_registered ((!) (properties as IBus.PropList));
+							}
+						});
+						((!) ibus_panel).property_updated.connect ((variant) => {
+							var type = IBus.PropType.NORMAL;
+							var state = IBus.PropState.INCONSISTENT;
+							var text = new IBus.Text.from_static_string ("");
+							var property = new IBus.Property ("", type, text, null, text, false, false, state, null);
+							property.deserialize (variant);
+
+							if (property is IBus.Property) {
+								handle_property_updated ((!) (property as IBus.Property));
+							}
+						});
+					} catch (IOError error) {
+						warning ("error: %s", error.message);
 					}
 				}
 			}
@@ -590,7 +614,7 @@ public class Indicator.Keyboard.Service : Object {
 	}
 
 	[DBus (visible = false)]
-	private void handle_registered_properties (IBus.PropList list) {
+	private void handle_properties_registered (IBus.PropList list) {
 		if (panel_timeout > 0) {
 			GLib.Source.remove (panel_timeout);
 			panel_timeout = 0;
@@ -604,7 +628,7 @@ public class Indicator.Keyboard.Service : Object {
 	}
 
 	[DBus (visible = false)]
-	private void handle_updated_property (IBus.Property property) {
+	private void handle_property_updated (IBus.Property property) {
 		get_ibus_menu ().update_property (property);
 	}
 
@@ -747,8 +771,12 @@ public class Indicator.Keyboard.Service : Object {
 		if (ibus_menu == null) {
 			ibus_menu = new IBusMenu (get_action_group ());
 			((!) ibus_menu).activate.connect ((property, state) => {
-				if (panel_service != null) {
-					((!) panel_service).property_activate (property.key, state);
+				if (ibus_panel != null) {
+					try {
+						((!) ibus_panel).activate_property (property.key, state);
+					} catch (IOError error) {
+						warning ("error: %s", error.message);
+					}
 				}
 			});
 		}
-- 
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