1 files changed, 63 insertions, 0 deletions
diff --git a/src/components/application_manager/src/event_engine/event_observer.cc b/src/components/application_manager/src/event_engine/event_observer.cc
new file mode 100644
index 0000000000..c6d81529f9
--- /dev/null
+++ b/src/components/application_manager/src/event_engine/event_observer.cc
@@ -0,0 +1,63 @@
+/*
+ Copyright (c) 2013, Ford Motor Company
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+ 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.
+
+ Neither the name of the Ford Motor Company 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 HOLDER 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.
+ */
+
+#include "application_manager/event_engine/event.h"
+#include "application_manager/event_engine/event_observer.h"
+
+namespace application_manager {
+namespace event_engine {
+
+EventObserver::EventObserver()
+ : id_(0) {
+  //Get unique id based on this
+  id_ = reinterpret_cast<unsigned long>(this);
+}
+
+EventObserver::~EventObserver() {
+  unsubscribe_from_all_events();
+}
+
+void EventObserver::subscribe_on_event(const Event::EventID& event_id,
+                                       int32_t hmi_correlation_id) {
+  EventDispatcher::instance()->add_observer(event_id, hmi_correlation_id, this);
+}
+
+void EventObserver::unsubscribe_from_event(const Event::EventID& event_id) {
+  EventDispatcher::instance()->remove_observer(event_id, this);
+}
+
+void EventObserver::unsubscribe_from_all_events() {
+  EventDispatcher::instance()->remove_observer(this);
+}
+
+}
+}