diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6496a2e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+*~
+debian/files
+debian/libmce-glib
+debian/libmce-glib-dev
+debian/*.debhelper.log
+debian/*.debhelper
+debian/*.substvars
+debian/tmp
+documentation.list
+installroot
+build
+RPMS
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0e668a1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,216 @@
+# -*- Mode: makefile-gmake -*-
+
+.PHONY: clean all debug release pkgconfig
+
+#
+# Required packages
+#
+
+PKGS = glib-2.0 gio-2.0 gio-unix-2.0 libglibutil
+
+#
+# Default target
+#
+
+all: debug release pkgconfig
+
+#
+# Library version
+#
+
+VERSION_MAJOR = 1
+VERSION_MINOR = 0
+VERSION_RELEASE = 0
+
+# Version for pkg-config
+PCVERSION = $(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_RELEASE)
+
+NAME = mce-glib
+LIB_NAME = lib$(NAME)
+LIB_DEV_SYMLINK = $(LIB_NAME).so
+LIB_SYMLINK1 = $(LIB_DEV_SYMLINK).$(VERSION_MAJOR)
+LIB_SYMLINK2 = $(LIB_SYMLINK1).$(VERSION_MINOR)
+LIB_SONAME = $(LIB_SYMLINK1)
+LIB = $(LIB_SONAME).$(VERSION_MINOR).$(VERSION_RELEASE)
+
+#
+# Sources
+#
+
+SRC = \
+  mce_display.c \
+  mce_proxy.c
+GEN_SRC = \
+  com.nokia.mce.c
+
+#
+# Directories
+#
+
+SRC_DIR = src
+INCLUDE_DIR = include
+BUILD_DIR = build
+GEN_DIR = $(BUILD_DIR)
+SPEC_DIR = spec
+DEBUG_BUILD_DIR = $(BUILD_DIR)/debug
+RELEASE_BUILD_DIR = $(BUILD_DIR)/release
+
+#
+# Tools and flags
+#
+
+CC = $(CROSS_COMPILE)gcc
+LD = $(CC)
+WARNINGS = -Wall -Wno-unused-parameter -Wno-multichar
+INCLUDES = -I$(INCLUDE_DIR) -I$(GEN_DIR)
+BASE_FLAGS = -fPIC $(CFLAGS)
+FULL_CFLAGS = $(BASE_FLAGS) $(DEFINES) $(WARNINGS) $(INCLUDES) -MMD -MP \
+  $(shell pkg-config --cflags $(PKGS))
+LDFLAGS = $(BASE_FLAGS) -shared -Wl,-soname -Wl,$(LIB_SONAME) \
+  $(shell pkg-config --libs $(PKGS))
+DEBUG_FLAGS = -g
+RELEASE_FLAGS =
+
+ifndef KEEP_SYMBOLS
+KEEP_SYMBOLS = 0
+endif
+
+ifneq ($(KEEP_SYMBOLS),0)
+RELEASE_FLAGS += -g
+endif
+
+DEBUG_CFLAGS = $(FULL_CFLAGS) $(DEBUG_FLAGS) -DDEBUG
+RELEASE_CFLAGS = $(FULL_CFLAGS) $(RELEASE_FLAGS) -O2
+DEBUG_LDFLAGS = $(LDFLAGS) $(DEBUG_FLAGS)
+RELEASE_LDFLAGS = $(LDFLAGS) $(RELEASE_FLAGS)
+
+#
+# Files
+#
+
+PKGCONFIG = \
+  $(BUILD_DIR)/$(LIB_NAME).pc
+DEBUG_OBJS = \
+  $(GEN_SRC:%.c=$(DEBUG_BUILD_DIR)/%.o) \
+  $(SRC:%.c=$(DEBUG_BUILD_DIR)/%.o)
+RELEASE_OBJS = \
+  $(GEN_SRC:%.c=$(RELEASE_BUILD_DIR)/%.o) \
+  $(SRC:%.c=$(RELEASE_BUILD_DIR)/%.o)
+GEN_FILES = $(GEN_SRC:%=$(GEN_DIR)/%)
+.PRECIOUS: $(GEN_FILES)
+
+#
+# Dependencies
+#
+
+DEPS = $(DEBUG_OBJS:%.o=%.d) $(RELEASE_OBJS:%.o=%.d)
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(strip $(DEPS)),)
+-include $(DEPS)
+endif
+endif
+
+$(GEN_FILES): | $(GEN_DIR)
+$(DEBUG_OBJS): | $(DEBUG_BUILD_DIR)
+$(RELEASE_OBJS): | $(RELEASE_BUILD_DIR)
+
+#
+# Rules
+#
+
+DEBUG_LIB = $(DEBUG_BUILD_DIR)/$(LIB)
+RELEASE_LIB = $(RELEASE_BUILD_DIR)/$(LIB)
+DEBUG_LINK = $(DEBUG_BUILD_DIR)/$(LIB_SONAME)
+RELEASE_LINK = $(RELEASE_BUILD_DIR)/$(LIB_SONAME)
+
+debug: $(DEBUG_LIB) $(DEBUG_LINK)
+
+release: $(RELEASE_LIB) $(RELEASE_LINK)
+
+pkgconfig: $(PKGCONFIG)
+
+clean:
+	rm -f *~ $(SRC_DIR)/*~ $(INCLUDE_DIR)/*~ rpm/*~
+	rm -fr $(BUILD_DIR) RPMS installroot
+	rm -fr debian/tmp debian/lib$(NAME) debian/lib$(NAME)-dev
+	rm -f documentation.list debian/files debian/*.substvars
+	rm -f debian/*.debhelper.log debian/*.debhelper debian/*~
+
+$(GEN_DIR):
+	mkdir -p $@
+
+$(DEBUG_BUILD_DIR):
+	mkdir -p $@
+
+$(RELEASE_BUILD_DIR):
+	mkdir -p $@
+
+$(GEN_DIR)/%.c: $(SPEC_DIR)/%.xml
+	gdbus-codegen --generate-c-code $(@:%.c=%) $<
+
+$(DEBUG_BUILD_DIR)/%.o : $(GEN_DIR)/%.c
+	$(CC) -c -I. $(DEBUG_CFLAGS) -MT"$@" -MF"$(@:%.o=%.d)" $< -o $@
+
+$(RELEASE_BUILD_DIR)/%.o : $(GEN_DIR)/%.c
+	$(CC) -c -I. $(RELEASE_CFLAGS) -MT"$@" -MF"$(@:%.o=%.d)" $< -o $@
+
+$(DEBUG_BUILD_DIR)/%.o : $(SRC_DIR)/%.c
+	$(CC) -c $(DEBUG_CFLAGS) -MT"$@" -MF"$(@:%.o=%.d)" $< -o $@
+
+$(RELEASE_BUILD_DIR)/%.o : $(SRC_DIR)/%.c
+	$(CC) -c $(RELEASE_CFLAGS) -MT"$@" -MF"$(@:%.o=%.d)" $< -o $@
+
+$(DEBUG_LIB): $(DEBUG_BUILD_DIR) $(DEBUG_OBJS)
+	$(LD) $(DEBUG_OBJS) $(DEBUG_LDFLAGS) -o $@
+
+$(RELEASE_LIB): $(RELEASE_BUILD_DIR) $(RELEASE_OBJS)
+	$(LD) $(RELEASE_OBJS) $(RELEASE_LDFLAGS) -o $@
+ifeq ($(KEEP_SYMBOLS),0)
+	strip $@
+endif
+
+$(DEBUG_LINK):
+	ln -sf $(LIB) $@
+
+$(RELEASE_LINK):
+	ln -sf $(LIB) $@
+
+$(PKGCONFIG): $(LIB_NAME).pc.in
+	sed -e 's/\[version\]/'$(PCVERSION)/g $< > $@
+
+#
+# Install
+#
+
+INSTALL_PERM  = 644
+INSTALL_OWNER = $(shell id -u)
+INSTALL_GROUP = $(shell id -g)
+
+INSTALL = install
+INSTALL_DIRS = $(INSTALL) -d
+INSTALL_FILES = $(INSTALL) -m $(INSTALL_PERM)
+
+INSTALL_LIB_DIR = $(DESTDIR)/usr/lib
+INSTALL_INCLUDE_DIR = $(DESTDIR)/usr/include/$(LIB_NAME)
+INSTALL_PKGCONFIG_DIR = $(DESTDIR)/usr/lib/pkgconfig
+
+INSTALL_ALIAS = $(INSTALL_LIB_DIR)/$(LIB_SHORTCUT)
+
+install: $(INSTALL_LIB_DIR)
+	$(INSTALL_FILES) $(RELEASE_LIB) $(INSTALL_LIB_DIR)
+	ln -sf $(LIB) $(INSTALL_LIB_DIR)/$(LIB_SYMLINK2)
+	ln -sf $(LIB_SYMLINK2) $(INSTALL_LIB_DIR)/$(LIB_SYMLINK1)
+
+install-dev: install $(INSTALL_INCLUDE_DIR) $(INSTALL_PKGCONFIG_DIR)
+	$(INSTALL_FILES) $(INCLUDE_DIR)/*.h $(INSTALL_INCLUDE_DIR)
+	$(INSTALL_FILES) $(PKGCONFIG) $(INSTALL_PKGCONFIG_DIR)
+	ln -sf $(LIB_SYMLINK1) $(INSTALL_LIB_DIR)/$(LIB_DEV_SYMLINK)
+
+$(INSTALL_LIB_DIR):
+	$(INSTALL_DIRS) $@
+
+$(INSTALL_INCLUDE_DIR):
+	$(INSTALL_DIRS) $@
+
+$(INSTALL_PKGCONFIG_DIR):
+	$(INSTALL_DIRS) $@
diff --git a/README b/README
new file mode 100644
index 0000000..1648cf9
--- /dev/null
+++ b/README
@@ -0,0 +1 @@
+mce client
diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 0000000..e85ea11
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,5 @@
+libmce-glib (1.0.0) unstable; urgency=low
+
+  * Initial release
+
+ -- Slava Monich <slava.monich@jolla.com>  Thu, 06 Oct 2016 13:15:12 +0300
diff --git a/debian/compat b/debian/compat
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/debian/compat
@@ -0,0 +1 @@
+5
diff --git a/debian/control b/debian/control
new file mode 100644
index 0000000..c557862
--- /dev/null
+++ b/debian/control
@@ -0,0 +1,18 @@
+Source: libmce-glib
+Section: libs
+Priority: optional
+Maintainer: Slava Monich <slava.monich@jolla.com>
+Build-Depends: debhelper (>= 7), libglib2.0-dev (>= 2.0), libglibutil-dev
+Standards-Version: 3.8.4
+
+Package: libmce-glib
+Section: libs
+Architecture: any
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: Client library for mce
+
+Package: libmce-glib-dev
+Section: libdevel
+Architecture: any
+Depends: libmce-glib (= ${binary:Version}), ${misc:Depends}
+Description: Development files for libmce-glib
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 0000000..19b3195
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,32 @@
+Copyright (C) 2016 Jolla Ltd.
+
+You may use this file under the terms of BSD license as follows:
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of Jolla Ltd nor the names of its contributors may
+     be used to endorse or promote products derived from this software
+     without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation
+are those of the authors and should not be interpreted as representing
+any official policies, either expressed or implied.
diff --git a/debian/libmce-glib-dev.install b/debian/libmce-glib-dev.install
new file mode 100644
index 0000000..cce5a7d
--- /dev/null
+++ b/debian/libmce-glib-dev.install
@@ -0,0 +1,3 @@
+debian/tmp/usr/lib/libmce-glib.so usr/lib
+include/*.h usr/include/libmce-glib
+build/libmce-glib.pc usr/lib/pkgconfig
diff --git a/debian/libmce-glib.install b/debian/libmce-glib.install
new file mode 100644
index 0000000..6a4fd9f
--- /dev/null
+++ b/debian/libmce-glib.install
@@ -0,0 +1 @@
+debian/tmp/usr/lib/libmce-glib.so.* usr/lib
diff --git a/debian/rules b/debian/rules
new file mode 100755
index 0000000..3a92007
--- /dev/null
+++ b/debian/rules
@@ -0,0 +1,11 @@
+#!/usr/bin/make -f
+# -*- makefile -*-
+
+# Uncomment this to turn on verbose mode.
+#export DH_VERBOSE=1
+
+override_dh_auto_install:
+	dh_auto_install -- install-dev
+
+%:
+	dh $@
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..d3827e7
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+1.0
diff --git a/include/mce_display.h b/include/mce_display.h
new file mode 100644
index 0000000..4733c95
--- /dev/null
+++ b/include/mce_display.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#ifndef MCE_DISPLAY_H
+#define MCE_DISPLAY_H
+
+#include "mce_types.h"
+
+G_BEGIN_DECLS
+
+typedef enum mce_display_state {
+    MCE_DISPLAY_STATE_OFF,
+    MCE_DISPLAY_STATE_DIM,
+    MCE_DISPLAY_STATE_ON
+} MCE_DISPLAY_STATE;
+
+typedef struct mce_display_priv MceDisplayPriv;
+
+typedef struct mce_display {
+    GObject object;
+    MceDisplayPriv* priv;
+    gboolean valid;
+    MCE_DISPLAY_STATE state;
+} MceDisplay;
+
+typedef void
+(*MceDisplayFunc)(
+    MceDisplay* display,
+    void* arg);
+
+MceDisplay*
+mce_display_new(
+    void);
+
+MceDisplay*
+mce_display_ref(
+    MceDisplay* display);
+
+void
+mce_display_unref(
+    MceDisplay* display);
+
+gulong
+mce_display_add_valid_changed_handler(
+    MceDisplay* display,
+    MceDisplayFunc fn,
+    void* arg);
+
+gulong
+mce_display_add_state_changed_handler(
+    MceDisplay* display,
+    MceDisplayFunc fn,
+    void* arg);
+
+void
+mce_display_remove_handler(
+    MceDisplay* display,
+    gulong id);
+
+G_END_DECLS
+
+#endif /* MCE_DISPLAY_H */
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/include/mce_log.h b/include/mce_log.h
new file mode 100644
index 0000000..d4351c9
--- /dev/null
+++ b/include/mce_log.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#ifndef MCE_LOG_H
+#define MCE_LOG_H
+
+#include "mce_types.h"
+#include <gutil_types.h>
+
+G_BEGIN_DECLS
+
+#define MCE_LOG_MODULE mce_log
+extern GLogModule MCE_LOG_MODULE;
+
+G_END_DECLS
+
+#endif /* MCE_LOG_H */
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/include/mce_types.h b/include/mce_types.h
new file mode 100644
index 0000000..5515a4f
--- /dev/null
+++ b/include/mce_types.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#ifndef MCE_TYPES_H
+#define MCE_TYPES_H
+
+#include <glib.h>
+#include <glib-object.h>
+
+#endif /* MCE_TYPES_H */
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/libmce-glib.pc.in b/libmce-glib.pc.in
new file mode 100644
index 0000000..4889656
--- /dev/null
+++ b/libmce-glib.pc.in
@@ -0,0 +1,9 @@
+libdir=/usr/lib
+includedir=/usr/include
+
+Name: libmce-glib
+Description: MCE client library
+Version: [version]
+Requires: libglibutil glib-2.0 gio-2.0
+Libs: -lmce-glib
+Cflags: -I${includedir}/libmce-glib
diff --git a/rpm/libmce-glib.spec b/rpm/libmce-glib.spec
new file mode 100644
index 0000000..7c7d53b
--- /dev/null
+++ b/rpm/libmce-glib.spec
@@ -0,0 +1,47 @@
+Name: libmce-glib
+Version: 1.0.0
+Release: 0
+Summary: MCE client library
+Group: Development/Libraries
+License: BSD
+URL: https://git.merproject.org/mer-core/libmce-glib
+Source: %{name}-%{version}.tar.bz2
+BuildRequires:  pkgconfig(glib-2.0)
+BuildRequires:  pkgconfig(libglibutil)
+Requires(post): /sbin/ldconfig
+Requires(postun): /sbin/ldconfig
+
+%description
+Provides glib-based MCE client API
+
+%package devel
+Summary: Development library for %{name}
+Requires: %{name} = %{version}
+Requires: pkgconfig
+
+%description devel
+This package contains the development library for %{name}.
+
+%prep
+%setup -q
+
+%build
+make KEEP_SYMBOLS=1 release pkgconfig
+
+%install
+rm -rf %{buildroot}
+make install-dev DESTDIR=%{buildroot}
+
+%post -p /sbin/ldconfig
+
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root,-)
+%{_libdir}/%{name}.so.*
+
+%files devel
+%defattr(-,root,root,-)
+%{_libdir}/pkgconfig/*.pc
+%{_libdir}/%{name}.so
+%{_includedir}/%{name}/*.h
diff --git a/spec/com.nokia.mce.xml b/spec/com.nokia.mce.xml
new file mode 100644
index 0000000..5248045
--- /dev/null
+++ b/spec/com.nokia.mce.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE node PUBLIC
+  "-//freedesktop//DTD D-Bus Object Introspection 1.0//EN"
+  "http://standards.freedesktop.org/dbus/1.0/introspect.dtd">
+<node name="/com/nokia/mce/signal">
+  <!-- com.nokia.mce.request -->
+  <interface name="com.nokia.mce.request">
+    <method name="get_display_status">
+      <arg direction="out" name="display_state" type="s"/>
+    </method>
+  </interface>
+  <!-- com.nokia.mce.signal -->
+  <interface name="com.nokia.mce.signal">
+    <signal name="display_status_ind">
+      <arg name="display_state" type="s"/>
+    </signal>
+  </interface>
+</node>
diff --git a/src/mce/dbus-names.h b/src/mce/dbus-names.h
new file mode 100644
index 0000000..7be011f
--- /dev/null
+++ b/src/mce/dbus-names.h
@@ -0,0 +1,688 @@
+/**
+ * @file dbus-names.h
+ * D-Bus Interface to the Mode Control Entity
+ * <p>
+ * This file is part of mce-dev
+ * <p>
+ * Copyright © 2004-2011 Nokia Corporation and/or its subsidiary(-ies).
+ * <p>
+ * @author David Weinehall <david.weinehall@nokia.com>
+ *
+ * These headers are free software; you can redistribute them
+ * and/or modify them under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation.
+ *
+ * These headers are distributed in the hope that they 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 these headers.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _MCE_DBUS_NAMES_H_
+#define _MCE_DBUS_NAMES_H_
+
+/**
+ * @name D-Bus Daemon
+ */
+
+/*@{*/
+
+/**
+ * MCE D-Bus service
+ *
+ * @since v0.3
+ */
+#define MCE_SERVICE			"com.nokia.mce"
+
+/**
+ * MCE D-Bus Request interface
+ *
+ * @since v0.3
+ */
+#define MCE_REQUEST_IF			"com.nokia.mce.request"
+/**
+ * MCE D-Bus Signal interface
+ *
+ * @since v0.3
+ */
+#define MCE_SIGNAL_IF			"com.nokia.mce.signal"
+/**
+ * MCE D-Bus Request path
+ *
+ * @since v0.3
+ */
+#define MCE_REQUEST_PATH		"/com/nokia/mce/request"
+/**
+ * MCE D-Bus Signal path
+ *
+ * @since v0.3
+ */
+#define MCE_SIGNAL_PATH			"/com/nokia/mce/signal"
+
+/**
+ * The MCE D-Bus error interface; currently not used
+ *
+ * @since v0.3
+ */
+#define MCE_ERROR_FATAL			"com.nokia.mce.error.fatal"
+/**
+ * The D-Bus interface for invalid arguments; currently not used
+ *
+ * @since v0.3
+ */
+#define MCE_ERROR_INVALID_ARGS		"org.freedesktop.DBus.Error.InvalidArgs"
+
+/*@}*/
+
+/**
+ * @name Generic D-Bus methods
+ */
+
+/*@{*/
+
+/**
+ * Query radio states
+ *
+ * @since v1.10.60
+ * @return @c dbus_uint32_t Radio states or:ed together
+ *         (see @ref mce/mode-names.h for defines for the radio states)
+ */
+#define MCE_RADIO_STATES_GET		"get_radio_states"
+
+/**
+ * Query the call state
+ *
+ * @since v1.8.1
+ * @return @c gchar @c * with the new call state
+ *             (see @ref mce/mode-names.h for valid call states)
+ * @return @c gchar @c * with the new emergency state type
+ *             (see @ref mce/mode-names.h for valid emergency state types)
+ */
+#define MCE_CALL_STATE_GET		"get_call_state"
+
+/**
+ * Query the touchscreen/keypad lock mode
+ *
+ * @since v1.4.0
+ * @return @c gchar @c * with the touchscreen/keypad lock mode
+ *         (see @ref mce/mode-names.h for valid lock modes)
+ */
+#define MCE_TKLOCK_MODE_GET		"get_tklock_mode"
+
+/**
+ * Query the display status
+ *
+ * @since v1.5.21
+ * @return @c gchar @c * with the display state
+ *         (see @ref mce/mode-names.h for valid display states)
+ */
+#define MCE_DISPLAY_STATUS_GET		"get_display_status"
+
+/**
+ * Query CABC mode
+ *
+ * @since v1.10.0
+ * @return @c gchar @c * with the CABC mode
+ *         (see @ref mce/mode-names.h for valid CABC modes)
+ */
+#define MCE_CABC_MODE_GET		"get_cabc_mode"
+
+/**
+ * Query the automatic power saving mode
+ *
+ * @since v1.10.44
+ * @return @c dbus_bool_t @c TRUE if automatic power saving mode is active,
+ *                        @c FALSE if automatic power saving mode is inactive
+ */
+#define MCE_PSM_STATE_GET		"get_psm_state"
+
+/**
+ * Query key backlight state
+ *
+ * @since v1.10.30
+ * @return @c dbus_bool_t @c TRUE if the key backlight is on,
+ *                        @c FALSE if the key backlight is off
+ */
+#define MCE_KEY_BACKLIGHT_STATE_GET	"get_key_backlight_state"
+
+/**
+ * Add an activity notification callback;
+ * the next user activity will trigger this callback
+ * callbacks are one-shot -- once the callback has been invoked,
+ * it will be unregistered
+ *
+ * @since 1.10.106
+ * @param service @c gchar @c * The method call service
+ * @param path @c gchar @c * The method call path
+ * @param interface @c gchar @c * The method call interface
+ * @param name @c gchar @c * The name of the method to call
+ * @return @c dbus_bool_t @c TRUE if registration was successful,
+ *                        @c FALSE if registration was a failure
+ *                           (too many registered clients)
+ */
+#define MCE_ADD_ACTIVITY_CALLBACK_REQ	"add_activity_callback"
+
+/**
+ * Remove any activity notification callback belonging to the calling process
+ *
+ * @since 1.10.106
+ */
+#define MCE_REMOVE_ACTIVITY_CALLBACK_REQ	"remove_activity_callback"
+
+/**
+ * Query the inactivity status
+ *
+ * @since v1.5.2
+ * @return @c dbus_bool_t @c TRUE if the system is inactive,
+ *                        @c FALSE if the system is active
+ */
+#define MCE_INACTIVITY_STATUS_GET	"get_inactivity_status"
+
+/**
+ * Query the current color profile id
+ *
+ * @since v1.11.2
+ * @return @c gchar @c * with the the current profile id
+ */
+#define MCE_COLOR_PROFILE_GET		"get_color_profile"
+
+/**
+ * Query the list of the available color profile ids
+ *
+ * @since v1.11.2
+ * @return @c gchar @c ** with the nul-terminated array of the color profile ids
+ */
+#define MCE_COLOR_PROFILE_IDS_GET		"get_color_profile_ids"
+
+/**
+ * Query the MCE version
+ *
+ * @since v1.1.6
+ * @return @c gchar @c * with the MCE version
+ */
+#define MCE_VERSION_GET			"get_version"
+
+/**
+ * Request radio states change
+ *
+ * @since v1.10.60
+ * @credential mce::DeviceModeControl
+ * @param @c dbus_uint32_t New radio states or:ed together
+ *        (see @ref mce/mode-names.h for defines for the radio states)
+ * @param @c dbus_uint32_t Mask for radio states or:ed together
+ *        (see @ref mce/mode-names.h for defines for the radio states)
+ */
+#define MCE_RADIO_STATES_CHANGE_REQ	"req_radio_states_change"
+
+/**
+ * Request call state change
+ * Changes can only be made to/from the "none" state; all other
+ * transitions will be vetoed.  This is to avoid race conditions
+ * between different services.
+ *
+ * An exception is made when the tuple is active:emergency;
+ * such requests are always accepted
+ *
+ * If the service that requests the transition emits a NameOwnerChanged,
+ * then the call state will revert back to "none", to ensure that
+ * crashing applications doesn't cause a forever busy call state
+ *
+ * @since v1.8.1
+ * @credential mce::CallStateControl
+ * @param call_state @c gchar @c * with the new call state
+ *             (see @ref mce/mode-names.h for valid call states)
+ * @param call_type @c gchar @c * with the new call type
+ *             (see @ref mce/mode-names.h for valid call types)
+ * @return @c dbus_bool_t @c TRUE if the new call state was accepted,
+ *                        @c FALSE if the new call state was vetoed
+ */
+#define MCE_CALL_STATE_CHANGE_REQ	"req_call_state_change"
+
+/** Inform mce that incoming call has been ignored by ui
+ *
+ * When there is an incoming call, mce reserves the power key
+ * for silencing the ringing tone.
+ *
+ * This method can be used by the call ui to inform mce that the
+ * call has been ignored and power key can be used for display
+ * power control even though there are calls in ringing state.
+ *
+ * @since v1.19.0
+ */
+#define MCE_IGNORE_INCOMING_CALL_REQ	"req_ignore_incoming_call"
+
+/**
+ * Unblank display
+ *
+ * @since v0.5
+ */
+#define MCE_DISPLAY_ON_REQ		"req_display_state_on"
+
+/**
+ * Dim display
+ *
+ * @since v1.6.20
+ */
+#define MCE_DISPLAY_DIM_REQ		"req_display_state_dim"
+
+/**
+ * Blank display
+ *
+ * @since v1.6.20
+ */
+#define MCE_DISPLAY_OFF_REQ		"req_display_state_off"
+
+/** Set display to low power mode
+ *
+ * Low power mode is a display off sub state. From normal
+ * display state signaling point of view it behaves just as
+ * display off would. Depending on available hw support and
+ * configuration extra ipc relevant for home screen / system
+ * ui only might happen.
+ *
+ * @since v1.33.0
+ */
+#define MCE_DISPLAY_LPM_REQ             "req_display_state_lpm"
+
+/**
+ * Prevent display from blanking
+ *
+ * @since v0.5
+ */
+#define MCE_PREVENT_BLANK_REQ		"req_display_blanking_pause"
+
+/**
+ * Cancel display blanking prevention
+ *
+ * @since v1.10.35
+ */
+#define MCE_CANCEL_PREVENT_BLANK_REQ	"req_display_cancel_blanking_pause"
+
+/** Get current blank prevention status
+ *
+ * @since 1.51.0
+ *
+ * @return @c gchar @c * with the blanking pause state
+ *         (see @ref mce/mode-names.h for valid blanking pause states)
+ */
+#define MCE_PREVENT_BLANK_GET		"get_display_blanking_pause"
+
+/** Get current blank inhibition status
+ *
+ * @since 1.51.0
+ *
+ * @return @c gchar @c * with the blanking inhibit state
+ *         (see @ref mce/mode-names.h for valid blanking inhibit states)
+ */
+#define MCE_BLANKING_INHIBIT_GET	"get_display_blanking_inhibit"
+
+/** Get current display blanking policy status
+ *
+ * @since v1.55.0
+ *
+ * @return @c gchar @c * with the blanking polic state
+ *         (see @ref mce/mode-names.h for valid blanking policy states)
+ */
+#define MCE_BLANKING_POLICY_GET         "get_display_blanking_policy"
+
+/**
+ * Request CABC mode change
+ *
+ * @since v1.10.0
+ * @param mode @c gchar @c * with the new CABC mode
+ *             (see @ref mce/mode-names.h for valid CABC modes)
+ * @return @c gchar @c * with the updated CABC mode
+ *             (see @ref mce/mode-names.h for valid CABC modes)
+ */
+#define MCE_CABC_MODE_REQ		"req_cabc_mode"
+
+/**
+ * Request tklock mode change
+ *
+ * @since v1.4.0
+ * @credential mce::TKLockControl
+ * @param mode @c gchar @c * with the new touchscreen/keypad lock mode
+ *             (see @ref mce/mode-names.h for valid lock modes)
+ */
+#define MCE_TKLOCK_MODE_CHANGE_REQ	"req_tklock_mode_change"
+
+/**
+ * Request powerkey event triggering
+ *
+ * @credential mce::DeviceModeControl
+ * @since v1.5.3
+ * @param type @c dbus_bool_t with the type of powerkey event to
+ *                trigger; @c FALSE == short powerkey press,
+ *                         @c TRUE == long powerkey press
+ * @since v1.10.54
+ * @param type @c dbus_uint32_t with the type of powerkey event to trigger
+ *             (see @ref mce/mode-names.h for valid events)
+ */
+#define MCE_TRIGGER_POWERKEY_EVENT_REQ	"req_trigger_powerkey_event"
+
+/**
+ * Request color profile change
+ *
+ * @since v1.11.2
+ * @credential mce::ColorProfileControl
+ * @param mode @c gchar @c * with the new color profile id
+ *             (see @ref MCE_COLOR_PROFILE_IDS_GET to learn
+ *              how to get the valid color profile ids)
+ */
+#define MCE_COLOR_PROFILE_CHANGE_REQ	"req_color_profile_change"
+
+/** Query the length of time late suspend can be blocked
+ *
+ * The idea is: if some process needs to do non-interactive
+ * background processing, it can prevent the system from
+ * entering late suspend by
+ *
+ * 1) get timer period via #MCE_CPU_KEEPALIVE_PERIOD_REQ call
+ *
+ * 2) call #MCE_CPU_KEEPALIVE_START_REQ
+ *
+ * 3) repeat #MCE_CPU_KEEPALIVE_START_REQ calls in interval
+ *    that is shorter than the maximum obtained at (1)
+ *
+ * 4) call #MCE_CPU_KEEPALIVE_STOP_REQ when finished
+ *
+ * MCE keeps track of active clients and blocks late suspend
+ * until all clients have called #MCE_CPU_KEEPALIVE_STOP_REQ,
+ * lost D-Bus connection (exit, crash, ...) or all timeouts
+ * have been missed.
+ *
+ * @since v1.12.8
+ *
+ * @since v1.23.7
+ *
+ * An unique within process tracking id can be passed to all
+ * cpu keepalive related D-Bus method calls. This allows mce
+ * to keep track of multiple, possibly overlapping keepalive
+ * periods from one process.
+ *
+ * Old code that does not pass the tracking id still works
+ * as long as the client process does not have multiple
+ * overlapping periods at once.
+ *
+ * @param context Tracking id as DBUS_TYPE_STRING
+ *
+ * @return period in seconds as DBUS_TYPE_INT32
+ */
+#define MCE_CPU_KEEPALIVE_PERIOD_REQ	"req_cpu_keepalive_period"
+
+/** Temporarily disable enter late suspend policy
+ *
+ * This method call must be repeated periodically to keep
+ * the system from entering late suspend.
+ *
+ * The period length can be obtained via #MCE_CPU_KEEPALIVE_PERIOD_REQ.
+ *
+ * Note: The boolean reply message is optional and will be sent
+ *       only if requested.
+ *
+ * @since v1.12.8
+ *
+ * @param context Tracking id as DBUS_TYPE_STRING
+ *
+ * @return success as DBUS_TYPE_BOOLEAN
+ */
+#define MCE_CPU_KEEPALIVE_START_REQ	"req_cpu_keepalive_start"
+
+/** Allow normal enter late suspend policy again
+ *
+ * If a process blocks late suspend via #MCE_CPU_KEEPALIVE_START_REQ,
+ * it must call #MCE_CPU_KEEPALIVE_STOP_REQ when background processing
+ * is finished to enable normal late suspend policy again.
+ *
+ * Note: The boolean reply message is optional and will be sent
+ *       only if requested.
+ *
+ * @since v1.12.8
+ *
+ * @param context Tracking id as DBUS_TYPE_STRING
+ *
+ * @return success as DBUS_TYPE_BOOLEAN
+ */
+#define MCE_CPU_KEEPALIVE_STOP_REQ	"req_cpu_keepalive_stop"
+
+/** Signal wakeup from suspend due to aligned timer triggering
+ *
+ * NOTE: This is reserved for use from dsme iphb module and is
+ * used to transfer ownership of rtc irq wakeup wakelock from
+ * dsme to mce.
+ *
+ * Note: The boolean reply message is optional and will be sent
+ *       only if requested.
+ *
+ * @since v1.12.8
+ *
+ * @return success as DBUS_TYPE_BOOLEAN
+ */
+#define MCE_CPU_KEEPALIVE_WAKEUP_REQ	"req_cpu_keepalive_wakeup"
+
+/** Query configuration value
+ *
+ * @since v1.12.15
+ *
+ * @param key Configuration value name as DBUS_TYPE_STRING
+ *
+ * @return Configuration value as DBUS_TYPE_VARIANT, or
+ *         error reply
+ */
+#define MCE_CONFIG_GET	"get_config"
+
+/** Set configuration value
+ *
+ * @since v1.12.15
+ *
+ * @param key Configuration value name as DBUS_TYPE_STRING
+ * @param val Configuration value as DBUS_TYPE_VARIANT
+ *
+ * @return Success as DBUS_TYPE_BOOLEAN, or error reply
+ */
+#define MCE_CONFIG_SET	"set_config"
+
+/** Reset configuration values to default
+ *
+ * All config settings with keyname that matches the given substring
+ * will be reset to configured defaults e.g. using "/" resets all
+ * settings while using "/display/" resets only display related values.
+ *
+ * @since v1.42.0
+ *
+ * @param keyish Substring of config value name as DBUS_TYPE_STRING
+ *
+ * @return Number of changed settings as DBUS_TYPE_INT32; -1 on failure
+ */
+#define MCE_CONFIG_RESET "reset_config"
+/*@}*/
+
+/**
+ * @name Generic D-Bus signals
+ */
+
+/*@{*/
+
+/**
+ * Signal that indicates that the touchscreen/keypad lock mode has changed
+ *
+ * @since v1.4.0
+ * @return @c gchar @c * with the new touchscreen/keypad lock mode
+ *         (see @ref mce/mode-names.h for valid lock modes)
+ */
+#define MCE_TKLOCK_MODE_SIG		"tklock_mode_ind"
+
+/**
+ * Notify everyone that the display is on/dimmed/off
+ *
+ * @since v1.5.21
+ * @return @c gchar @c * with the display state
+ *         (see @ref mce/mode-names.h for valid display states)
+ */
+#define MCE_DISPLAY_SIG			"display_status_ind"
+
+/** Notify everyone whether the display blanking is paused
+ *
+ * @since v1.51.0
+ *
+ * @return @c gchar @c * with the blanking pause state
+ *         (see @ref mce/mode-names.h for valid blanking pause states)
+ */
+#define MCE_PREVENT_BLANK_SIG		"display_blanking_pause_ind"
+
+/** Notify everyone whether the display blanking is inhibited
+ *
+ * @since v1.51.0
+ *
+ * @return @c gchar @c * with the display baling inhibit state
+ *         (see @ref mce/mode-names.h for valid blanking inhibit states)
+ */
+#define MCE_BLANKING_INHIBIT_SIG	"display_blanking_inhibit_ind"
+
+/** Notify everyone when the display blanking policy changes
+ *
+ * @since v1.55.0
+ *
+ * @return @c gchar @c * with the display blankiing policy state
+ *         (see @ref mce/mode-names.h for valid blanking policy states)
+ */
+#define MCE_BLANKING_POLICY_SIG "display_blanking_policy_ind"
+
+/**
+ * Notify everyone that the state of the automatic power saving mode changed
+ *
+ * @since v1.10.44
+ * @return @c dbus_bool_t @c TRUE if automatic power saving mode is active,
+ *                        @c FALSE if automatic power saving mode is inactive
+ */
+#define MCE_PSM_STATE_SIG		"psm_state_ind"
+
+/**
+ * Notify everyone that the system is active/inactive
+ *
+ * @since v0.9.3
+ * @return @c dbus_bool_t @c TRUE if the system is inactive,
+ *                        @c FALSE if the system is active
+ */
+#define MCE_INACTIVITY_SIG		"system_inactivity_ind"
+
+/**
+ * Notify everyone that the color profile has changed
+ *
+ * @since v1.11.2
+ * @return @c gchar @c * with the color profile id
+ */
+#define MCE_COLOR_PROFILE_SIG		"color_profile_ind"
+
+/**
+ * Notify everyone that the radio states have changed
+ *
+ * @since v1.10.60
+ * @return @c dbus_uint32_t Radio states or:ed together
+ *         (see @ref mce/mode-names.h for defines for the radio states)
+ */
+#define MCE_RADIO_STATES_SIG		"radio_states_ind"
+
+/**
+ * Notify everyone that the call state has changed
+ *
+ * @since v1.8.1
+ * @return @c gchar @c * with the new call state
+ *             (see @ref mce/mode-names.h for valid call states)
+ * @return @c gchar @c * with the new emergency state type
+ *             (see @ref mce/mode-names.h for valid emergency state types)
+ */
+#define MCE_CALL_STATE_SIG		"sig_call_state_ind"
+
+/** Notify everyone that mce configuration value has changed
+ *
+ * @since v1.14.1
+ *
+ * @param key Config value name as DBUS_TYPE_STRING
+ * @param val Config value as DBUS_TYPE_VARIANT
+ */
+#define MCE_CONFIG_CHANGE_SIG		"config_change_ind"
+
+/*@}*/
+
+/**
+ * @name LED interface D-Bus methods
+ */
+
+/*@{*/
+
+/**
+ * Activates a pre-defined LED pattern
+ *
+ * Non-existing patterns are ignored
+ *
+ * See also: MCE_LED_PATTERN_ACTIVATED_SIG
+ *
+ * @credential mce::LEDControl
+ * @since v1.5.0
+ * @param pattern @c gchar @c * with the pattern name
+ *                (see @c /etc/mce/mce.ini for valid pattern names)
+ */
+#define MCE_ACTIVATE_LED_PATTERN	"req_led_pattern_activate"
+
+/**
+ * Deactivates a pre-defined LED pattern
+ *
+ * Non-existing patterns are ignored
+ *
+ * See also: MCE_LED_PATTERN_DEACTIVATED_SIG
+ *
+ * @credential mce::LEDControl
+ * @since v1.5.0
+ * @param pattern @c gchar @c * with the pattern name
+ *                (see @c /etc/mce/mce.ini for valid pattern names)
+ */
+#define MCE_DEACTIVATE_LED_PATTERN	"req_led_pattern_deactivate"
+
+/** Notify everyone that a led pattern has been activated
+ *
+ * @since v1.25.0
+ * @return @c gchar @c * led pattern name
+ */
+#define MCE_LED_PATTERN_ACTIVATED_SIG   "led_pattern_activated_ind"
+
+/** Notify everyone that a led pattern has been deactivated
+ *
+ * @since v1.25.0
+ * @return @c gchar @c * led pattern name
+ */
+#define MCE_LED_PATTERN_DEACTIVATED_SIG "led_pattern_deactivated_ind"
+
+/**
+ * Enable LED; this does not affect the LED pattern stack
+ * Note: The GConf setting for LED flashing overrides this value
+ *       If the pattern stack does not contain any active patterns,
+ *       the LED logic will still remain in enabled mode,
+ *       but will not display any patterns until a pattern is activated
+ *
+ *       Do NOT use this as a "master switch" for the LED framework,
+ *       since some patterns should *always* be visible
+ *       this interface is meant for testing and development only
+ *
+ * @credential mce::LEDControl
+ * @since v1.5.0
+ */
+#define MCE_ENABLE_LED			"req_led_enable"
+
+/**
+ * Disable LED; this does not affect the LED pattern stack
+ * Note: Do NOT use this as a "master switch" for the LED framework,
+ *       since some patterns should *always* be visible
+ *       this interface is meant for testing and development only
+ *
+ * @credential mce::LEDControl
+ * @since v1.5.0
+ */
+#define MCE_DISABLE_LED			"req_led_disable"
+
+/*@}*/
+
+#endif /* _MCE_DBUS_NAMES_H_ */
diff --git a/src/mce/mode-names.h b/src/mce/mode-names.h
new file mode 100644
index 0000000..26d3734
--- /dev/null
+++ b/src/mce/mode-names.h
@@ -0,0 +1,261 @@
+/**
+ * @file mode-names.h
+ * Defines for names of various modes and submodes for Mode Control Entity
+ * <p>
+ * This file is part of mce-dev
+ * <p>
+ * Copyright © 2004-2010 Nokia Corporation and/or its subsidiary(-ies).
+ * <p>
+ * @author David Weinehall <david.weinehall@nokia.com>
+ *
+ * These headers are free software; you can redistribute them
+ * and/or modify them under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation.
+ *
+ * These headers are distributed in the hope that they 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 these headers.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _MCE_MODE_NAMES_H_
+#define _MCE_MODE_NAMES_H_
+
+/**
+ * Master switch; set - radios enabled, unset - radios disabled
+ *
+ * @since v1.10.60
+ */
+#define MCE_RADIO_STATE_MASTER		(1 << 0)
+/**
+ * Cellular; set - enabled, unset - disabled
+ *
+ * @since v1.10.60
+ */
+#define MCE_RADIO_STATE_CELLULAR	(1 << 1)
+/**
+ * WLAN; set - enabled, unset - disabled
+ *
+ * @since v1.10.60
+ */
+#define MCE_RADIO_STATE_WLAN		(1 << 2)
+/**
+ * Bluetooth; set - enabled, unset - disabled
+ *
+ * @since v1.10.60
+ */
+#define MCE_RADIO_STATE_BLUETOOTH	(1 << 3)
+/**
+ * NFC; set - enabled, unset - disabled
+ *
+ * @since v1.10.93
+ */
+#define MCE_RADIO_STATE_NFC		(1 << 4)
+/**
+ * FM transmitter; set - enabled, unset - disabled
+ *
+ * @since v1.10.93
+ */
+#define MCE_RADIO_STATE_FMTX		(1 << 5)
+
+/**
+ * No ongoing call
+ *
+ * @since v1.8.4
+ */
+#define MCE_CALL_STATE_NONE			"none"
+/**
+ * Call ringing
+ *
+ * @since v1.8.29
+ */
+#define MCE_CALL_STATE_RINGING			"ringing"
+/**
+ * Call on-going
+ *
+ * @since v1.8.29
+ */
+#define MCE_CALL_STATE_ACTIVE			"active"
+/**
+ * Service operation on-going
+ * use to prevent calls from being initiated;
+ * will not prevent emergency calls
+ *
+ * @since v1.8.29
+ */
+#define MCE_CALL_STATE_SERVICE			"service"
+
+/**
+ * Normal call
+ *
+ * @since v1.8.4
+ */
+#define MCE_NORMAL_CALL				"normal"
+/**
+ * Emergency call
+ *
+ * @since v1.8.4
+ */
+#define MCE_EMERGENCY_CALL			"emergency"
+
+/**
+ * Touchscreen/Keypad locked
+ *
+ * @since v1.4.5
+ */
+#define MCE_TK_LOCKED				"locked"
+/**
+ * Touchscreen/Keypad silently locked
+ *
+ * @since v1.4.15
+ */
+#define MCE_TK_SILENT_LOCKED			"silent-locked"
+/**
+ * Touchscreen/Keypad locked with fadeout
+ *
+ * @since v1.4.15
+ */
+#define MCE_TK_LOCKED_DIM			"locked-dim"
+/**
+ * Touchscreen/Keypad locked with delay
+ *
+ * @since v1.12.2
+ */
+#define MCE_TK_LOCKED_DELAY			"locked-delay"
+/**
+ * Touchscreen/Keypad silently locked with fadeout
+ *
+ * @since v1.4.15
+ */
+#define MCE_TK_SILENT_LOCKED_DIM		"silent-locked-dim"
+/**
+ * Touchscreen/Keypad unlocked
+ *
+ * @since v1.4.5
+ */
+#define MCE_TK_UNLOCKED				"unlocked"
+/**
+ * Touchscreen/Keypad silently unlocked
+ *
+ * @since v1.6.33
+ */
+#define MCE_TK_SILENT_UNLOCKED			"silent-unlocked"
+
+/**
+ * Display state name for display on
+ *
+ * @since v1.5.21
+ */
+#define MCE_DISPLAY_ON_STRING			"on"
+/**
+ * Display state name for display dim
+ *
+ * @since v1.5.21
+ */
+#define MCE_DISPLAY_DIM_STRING			"dimmed"
+/**
+ * Display state name for display off
+ *
+ * @since v1.5.21
+ */
+#define MCE_DISPLAY_OFF_STRING			"off"
+
+/** Blank prevent state name for active
+ *
+ * @since v1.51.0
+ */
+#define MCE_PREVENT_BLANK_ACTIVE_STRING		"active"
+/** Blank prevent state name for inactive
+ *
+ * @since v1.51.0
+ */
+#define MCE_PREVENT_BLANK_INACTIVE_STRING	"inactive"
+
+/** Blank inhibit state name for active
+ *
+ * @since v1.51.0
+ */
+#define MCE_INHIBIT_BLANK_ACTIVE_STRING		"active"
+/** Blank inhibit state name for inactive
+ *
+ * @since v1.51.0
+ */
+#define MCE_INHIBIT_BLANK_INACTIVE_STRING	"inactive"
+
+/** Default blanking policy active
+ *
+ * @since v1.55.0
+ */
+#define MCE_BLANKING_POLICY_DEFAULT_STRING      "default"
+
+/** Default blanking policy disabled due to notifications
+ *
+ * @since v1.55.0
+ */
+#define MCE_BLANKING_POLICY_NOTIFICATION_STRING "notification"
+
+/** Default blanking policy disabled due to alarm dialog state
+ *
+ * @since v1.55.0
+ */
+#define MCE_BLANKING_POLICY_ALARM_STRING        "alarm"
+
+/** Default blanking policy disabled due to call state
+ *
+ * @since v1.55.0
+ */
+#define MCE_BLANKING_POLICY_CALL_STRING         "call"
+
+/** Default blanking policy is about to be restored
+ *
+ * @since v1.55.0
+ */
+#define MCE_BLANKING_POLICY_LINGER_STRING       "linger"
+
+/**
+ * CABC name for CABC disabled
+ *
+ * @since v1.8.88
+ */
+#define MCE_CABC_MODE_OFF			"off"
+/**
+ * CABC name for UI mode
+ *
+ * @since v1.8.88
+ */
+#define MCE_CABC_MODE_UI			"ui"
+/**
+ * CABC name for still image mode
+ *
+ * @since v1.8.88
+ */
+#define MCE_CABC_MODE_STILL_IMAGE		"still-image"
+/**
+ * CABC name for moving image mode
+ *
+ * @since v1.8.88
+ */
+#define MCE_CABC_MODE_MOVING_IMAGE		"moving-image"
+/**
+ * POWERKEY EVENT for single powerkey press
+ *
+ * @since v1.10.54
+ */
+#define MCE_POWERKEY_EVENT_SHORT_PRESS        (0u)
+/**
+ * POWERKEY EVENT for long powerkey press
+ *
+ * @since v1.10.54
+ */
+#define MCE_POWERKEY_EVENT_LONG_PRESS         (1u)
+/**
+ * POWERKEY EVENT for double powerkey press
+ *
+ * @since v1.10.54
+ */
+#define MCE_POWERKEY_EVENT_DOUBLE_PRESS       (2u)
+
+#endif /* _MCE_MODE_NAMES_H_ */
diff --git a/src/mce_display.c b/src/mce_display.c
new file mode 100644
index 0000000..e334920
--- /dev/null
+++ b/src/mce_display.c
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#include "mce_display.h"
+#include "mce_proxy.h"
+#include "mce_log_p.h"
+
+#include "mce/mode-names.h"
+
+/* Generated headers */
+#include "com.nokia.mce.h"
+
+struct mce_display_priv {
+    MceProxy* proxy;
+    gulong proxy_valid_id;
+    gulong display_status_ind_id;
+};
+
+enum mce_display_signal {
+    SIGNAL_VALID_CHANGED,
+    SIGNAL_STATE_CHANGED,
+    SIGNAL_COUNT
+};
+
+#define SIGNAL_VALID_CHANGED_NAME   "mce-display-valid-changed"
+#define SIGNAL_STATE_CHANGED_NAME   "mce-display-state-changed"
+
+static guint mce_display_signals[SIGNAL_COUNT] = { 0 };
+
+typedef GObjectClass MceDisplayClass;
+G_DEFINE_TYPE(MceDisplay, mce_display, G_TYPE_OBJECT)
+#define PARENT_CLASS mce_display_parent_class
+#define MCE_DISPLAY_TYPE (mce_display_get_type())
+#define MCE_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST(obj,\
+        MCE_DISPLAY_TYPE,MceDisplay))
+
+/*==========================================================================*
+ * Implementation
+ *==========================================================================*/
+
+static
+void
+mce_display_status_update(
+    MceDisplay* self,
+    const char* status)
+{
+    MCE_DISPLAY_STATE state;
+    MceDisplayPriv* priv = self->priv;
+
+    if (!g_strcmp0(status, MCE_DISPLAY_OFF_STRING)) {
+        state = MCE_DISPLAY_STATE_OFF;
+    } else if (!g_strcmp0(status, MCE_DISPLAY_DIM_STRING)) {
+        state = MCE_DISPLAY_STATE_DIM;
+    } else {
+        GASSERT(!g_strcmp0(status, MCE_DISPLAY_ON_STRING));
+        state = MCE_DISPLAY_STATE_ON;
+    }
+    if (self->state != state) {
+        self->state = state;
+        g_signal_emit(self, mce_display_signals[SIGNAL_STATE_CHANGED], 0);
+    }
+    if (priv->proxy->valid && !self->valid) {
+        self->valid = TRUE;
+        g_signal_emit(self, mce_display_signals[SIGNAL_VALID_CHANGED], 0);
+    }
+}
+
+static
+void
+mce_display_status_query_done(
+    GObject* proxy,
+    GAsyncResult* result,
+    gpointer arg)
+{
+    GError* error = NULL;
+    char* status = NULL;
+    MceDisplay* self = MCE_DISPLAY(arg);
+
+    if (com_nokia_mce_request_call_get_display_status_finish(
+        COM_NOKIA_MCE_REQUEST(proxy), &status, result, &error)) {
+        GDEBUG("Display is currently %s", status);
+        mce_display_status_update(self, status);
+        g_free(status);
+    } else {
+        GWARN("Failed to query display state %s", GERRMSG(error));
+        g_error_free(error);
+    }
+    mce_display_unref(self);
+}
+
+static
+void
+mce_display_status_query(
+    MceDisplay* self)
+{
+    MceProxy* proxy = self->priv->proxy;
+
+    if (proxy->valid) {
+        com_nokia_mce_request_call_get_display_status(proxy->request, NULL,
+            mce_display_status_query_done, mce_display_ref(self));
+    }
+}
+
+static
+void
+mce_display_valid_changed(
+    MceProxy* proxy,
+    void* arg)
+{
+    MceDisplay* self = MCE_DISPLAY(arg);
+
+    if (proxy->valid) {
+        mce_display_status_query(self);
+    } else {
+        if (self->valid) {
+            self->valid = FALSE;
+            g_signal_emit(self, mce_display_signals[SIGNAL_VALID_CHANGED], 0);
+        }
+    }
+}
+
+
+static
+void
+mce_display_status_ind(
+    ComNokiaMceSignal* proxy,
+    const char* status,
+    gpointer arg)
+{
+    GDEBUG("Display is %s", status);
+    mce_display_status_update(MCE_DISPLAY(arg), status);
+}
+
+/*==========================================================================*
+ * API
+ *==========================================================================*/
+
+MceDisplay*
+mce_display_new()
+{
+    /* MCE assumes one display */
+    static MceDisplay* mce_display_instance = NULL;
+
+    if (mce_display_instance) {
+        mce_display_ref(mce_display_instance);
+    } else {
+        mce_display_instance = g_object_new(MCE_DISPLAY_TYPE, NULL);
+        mce_display_status_query(mce_display_instance);
+        g_object_add_weak_pointer(G_OBJECT(mce_display_instance),
+            (gpointer*)(&mce_display_instance));
+    }
+    return mce_display_instance;
+}
+
+MceDisplay*
+mce_display_ref(
+    MceDisplay* self)
+{
+    if (G_LIKELY(self)) {
+        g_object_ref(MCE_DISPLAY(self));
+    }
+    return self;
+}
+
+void
+mce_display_unref(
+    MceDisplay* self)
+{
+    if (G_LIKELY(self)) {
+        g_object_unref(MCE_DISPLAY(self));
+    }
+}
+
+gulong
+mce_display_add_valid_changed_handler(
+    MceDisplay* self,
+    MceDisplayFunc fn,
+    void* arg)
+{
+    return (G_LIKELY(self) && G_LIKELY(fn)) ? g_signal_connect(self,
+        SIGNAL_VALID_CHANGED_NAME, G_CALLBACK(fn), arg) : 0;
+}
+
+gulong
+mce_display_add_state_changed_handler(
+    MceDisplay* self,
+    MceDisplayFunc fn,
+    void* arg)
+{
+    return (G_LIKELY(self) && G_LIKELY(fn)) ? g_signal_connect(self,
+        SIGNAL_STATE_CHANGED_NAME, G_CALLBACK(fn), arg) : 0;
+}
+
+void
+mce_display_remove_handler(
+    MceDisplay* self,
+    gulong id)
+{
+    if (G_LIKELY(self) && G_LIKELY(id)) {
+        g_signal_handler_disconnect(self, id);
+    }
+}
+
+/*==========================================================================*
+ * Internals
+ *==========================================================================*/
+
+static
+void
+mce_display_init(
+    MceDisplay* self)
+{
+    MceDisplayPriv* priv = G_TYPE_INSTANCE_GET_PRIVATE(self, MCE_DISPLAY_TYPE,
+        MceDisplayPriv);
+
+    self->priv = priv;
+    priv->proxy = mce_proxy_new();
+    priv->proxy_valid_id = mce_proxy_add_valid_changed_handler(priv->proxy,
+        mce_display_valid_changed, self);
+    priv->display_status_ind_id = g_signal_connect(priv->proxy->signal,
+        "display_status_ind", G_CALLBACK(mce_display_status_ind), self);
+}
+
+static
+void
+mce_display_finalize(
+    GObject* object)
+{
+    MceDisplay* self = MCE_DISPLAY(object);
+    MceDisplayPriv* priv = self->priv;
+
+    mce_proxy_unref(priv->proxy);
+    G_OBJECT_CLASS(PARENT_CLASS)->finalize(object);
+}
+
+static
+void
+mce_display_class_init(
+    MceDisplayClass* klass)
+{
+    GObjectClass* object_class = G_OBJECT_CLASS(klass);
+
+    object_class->finalize = mce_display_finalize;
+    g_type_class_add_private(klass, sizeof(MceDisplayPriv));
+    mce_display_signals[SIGNAL_VALID_CHANGED] =
+        g_signal_new(SIGNAL_VALID_CHANGED_NAME,
+            G_OBJECT_CLASS_TYPE(klass), G_SIGNAL_RUN_FIRST,
+            0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+    mce_display_signals[SIGNAL_STATE_CHANGED] =
+        g_signal_new(SIGNAL_STATE_CHANGED_NAME,
+            G_OBJECT_CLASS_TYPE(klass), G_SIGNAL_RUN_FIRST,
+            0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+}
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/src/mce_log_p.h b/src/mce_log_p.h
new file mode 100644
index 0000000..4f688fc
--- /dev/null
+++ b/src/mce_log_p.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#ifndef MCE_LOG_PRIVATE_H
+#define MCE_LOG_PRIVATE_H
+
+#include "mce_log.h"
+
+#define GLOG_MODULE_NAME MCE_LOG_MODULE
+
+#include <gutil_log.h>
+
+#endif /* MCE_LOG_PRIVATE_H */
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/src/mce_proxy.c b/src/mce_proxy.c
new file mode 100644
index 0000000..071f628
--- /dev/null
+++ b/src/mce_proxy.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#include "mce_proxy.h"
+#include "mce_log_p.h"
+
+#include "mce/dbus-names.h"
+
+/* Generated headers */
+#include "com.nokia.mce.h"
+
+GLOG_MODULE_DEFINE("mce");
+
+struct mce_proxy_priv {
+    GDBusConnection* bus;
+    guint mce_watch_id;
+};
+
+enum mce_proxy_signal {
+    SIGNAL_VALID_CHANGED,
+    SIGNAL_COUNT
+};
+
+#define SIGNAL_VALID_CHANGED_NAME   "mce-proxy-valid-changed"
+
+static guint mce_proxy_signals[SIGNAL_COUNT] = { 0 };
+
+typedef GObjectClass MceProxyClass;
+G_DEFINE_TYPE(MceProxy, mce_proxy, G_TYPE_OBJECT)
+#define PARENT_CLASS mce_proxy_parent_class
+#define MCE_PROXY_TYPE (mce_proxy_get_type())
+#define MCE_PROXY(obj) (G_TYPE_CHECK_INSTANCE_CAST(obj,\
+        MCE_PROXY_TYPE,MceProxy))
+
+static
+void
+mce_name_appeared(
+    GDBusConnection* bus,
+    const gchar* name,
+    const gchar* owner,
+    gpointer arg)
+{
+    MceProxy* self = MCE_PROXY(arg);
+    GDEBUG("Name '%s' is owned by %s", name, owner);
+    GASSERT(!self->valid);
+    self->valid = TRUE;
+    g_signal_emit(self, mce_proxy_signals[SIGNAL_VALID_CHANGED], 0);
+}
+
+static
+void
+mce_name_vanished(
+    GDBusConnection* bus,
+    const gchar* name,
+    gpointer arg)
+{
+    MceProxy* self = MCE_PROXY(arg);
+    GDEBUG("Name '%s' has disappeared", name);
+    if (self->valid) {
+        self->valid = FALSE;
+        g_signal_emit(self, mce_proxy_signals[SIGNAL_VALID_CHANGED], 0);
+    }
+}
+
+MceProxy*
+mce_proxy_new()
+{
+    /*
+     * Since there's only one mce in the system, there's no need for
+     * more than one proxy object.
+     */
+    static MceProxy* mce_proxy_instance = NULL;
+    if (mce_proxy_instance) {
+        mce_proxy_ref(mce_proxy_instance);
+    } else {
+        mce_proxy_instance = g_object_new(MCE_PROXY_TYPE, NULL);
+        g_object_add_weak_pointer(G_OBJECT(mce_proxy_instance),
+            (gpointer*)(&mce_proxy_instance));
+    }
+    return mce_proxy_instance;
+}
+
+MceProxy*
+mce_proxy_ref(
+    MceProxy* self)
+{
+    if (G_LIKELY(self)) {
+        g_object_ref(MCE_PROXY(self));
+    }
+    return self;
+}
+
+void
+mce_proxy_unref(
+    MceProxy* self)
+{
+    if (G_LIKELY(self)) {
+        g_object_unref(MCE_PROXY(self));
+    }
+}
+
+gulong
+mce_proxy_add_valid_changed_handler(
+    MceProxy* self,
+    MceProxyFunc fn,
+    void* arg)
+{
+    return (G_LIKELY(self) && G_LIKELY(fn)) ? g_signal_connect(self,
+        SIGNAL_VALID_CHANGED_NAME, G_CALLBACK(fn), arg) : 0;
+}
+
+void
+mce_proxy_remove_handler(
+    MceProxy* self,
+    gulong id)
+{
+    if (G_LIKELY(self) && G_LIKELY(id)) {
+        g_signal_handler_disconnect(self, id);
+    }
+}
+
+static
+void
+mce_proxy_init(
+    MceProxy* self)
+{
+    MceProxyPriv* priv = G_TYPE_INSTANCE_GET_PRIVATE(self, MCE_PROXY_TYPE,
+        MceProxyPriv);
+    self->priv = priv;
+    priv->bus = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, NULL);
+    self->signal = com_nokia_mce_signal_proxy_new_sync(priv->bus,
+        G_DBUS_PROXY_FLAGS_NONE, MCE_SERVICE, MCE_SIGNAL_PATH, NULL, NULL);
+    self->request = com_nokia_mce_request_proxy_new_sync(priv->bus,
+        G_DBUS_PROXY_FLAGS_NONE, MCE_SERVICE, MCE_REQUEST_PATH, NULL, NULL);
+    priv->mce_watch_id = g_bus_watch_name_on_connection(priv->bus,
+        MCE_SERVICE, G_BUS_NAME_WATCHER_FLAGS_NONE,
+        mce_name_appeared, mce_name_vanished, self, NULL);
+}
+
+static
+void
+mce_proxy_finalize(
+    GObject* object)
+{
+    MceProxy* self = MCE_PROXY(object);
+    MceProxyPriv* priv = self->priv;
+    g_bus_unwatch_name(priv->mce_watch_id);
+    g_object_unref(self->signal);
+    g_object_unref(self->request);
+    g_object_unref(priv->bus);
+    G_OBJECT_CLASS(PARENT_CLASS)->finalize(object);
+}
+
+static
+void
+mce_proxy_class_init(
+    MceProxyClass* klass)
+{
+    GObjectClass* object_class = G_OBJECT_CLASS(klass);
+    object_class->finalize = mce_proxy_finalize;
+    g_type_class_add_private(klass, sizeof(MceProxyPriv));
+    mce_proxy_signals[SIGNAL_VALID_CHANGED] =
+        g_signal_new(SIGNAL_VALID_CHANGED_NAME,
+            G_OBJECT_CLASS_TYPE(klass), G_SIGNAL_RUN_FIRST,
+            0, NULL, NULL, NULL, G_TYPE_NONE, 0);
+}
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/src/mce_proxy.h b/src/mce_proxy.h
new file mode 100644
index 0000000..6f9adbd
--- /dev/null
+++ b/src/mce_proxy.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2016 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of Jolla Ltd nor the names of its contributors may
+ *      be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * any official policies, either expressed or implied.
+ */
+
+#ifndef MCE_PROXY_H
+#define MCE_PROXY_H
+
+#include "mce_types.h"
+
+typedef struct mce_proxy_priv MceProxyPriv;
+struct _ComNokiaMceSignal;
+struct _ComNokiaMceRequest;
+
+typedef struct mce_proxy {
+    GObject object;
+    MceProxyPriv* priv;
+    gboolean valid;
+    struct _ComNokiaMceSignal* signal;
+    struct _ComNokiaMceRequest* request;
+} MceProxy;
+
+typedef void
+(*MceProxyFunc)(
+    MceProxy* proxy,
+    void* arg);
+
+MceProxy*
+mce_proxy_new(
+    void);
+
+MceProxy*
+mce_proxy_ref(
+    MceProxy* proxy);
+
+void
+mce_proxy_unref(
+    MceProxy* proxy);
+
+gulong
+mce_proxy_add_valid_changed_handler(
+    MceProxy* proxy,
+    MceProxyFunc fn,
+    void* arg);
+
+void
+mce_proxy_remove_handler(
+    MceProxy* proxy,
+    gulong id);
+
+#endif /* MCE_PROXY_H */
+
+/*
+ * Local Variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */