dhcp client: event dispatcher
Add the event dispatcher abstract class and a subclass wrapping
the message loop implementation.
Bug: 25642025
TEST=compile
Change-Id: Ic1e0bbac3e4e1cbe376c8c8a507f2b95b27f57c3
diff --git a/message_loop_event_dispatcher.h b/message_loop_event_dispatcher.h
new file mode 100644
index 0000000..604148a
--- /dev/null
+++ b/message_loop_event_dispatcher.h
@@ -0,0 +1,44 @@
+//
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef DHCP_CLIENT_MESSAGE_LOOP_EVENT_DISPATCHER_H_
+#define DHCP_CLIENT_MESSAGE_LOOP_EVENT_DISPATCHER_H_
+
+#include <base/callback.h>
+
+#include <dhcp_client/event_dispatcher_interface.h>
+
+namespace dhcp_client {
+
+// Class for dispatching tasks to current message loop.
+class MessageLoopEventDispatcher : public EventDispatcherInterface {
+ public:
+ MessageLoopEventDispatcher();
+ ~MessageLoopEventDispatcher() override;
+
+ // These are thin wrappers around calls of the same name in
+ // <base/message_loop_proxy.h>
+ bool PostTask(const base::Closure& task) override;
+ bool PostDelayedTask(const base::Closure& task,
+ int64_t delay_ms) override;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(MessageLoopEventDispatcher);
+};
+
+} // namespace dhcp_client
+
+#endif // DHCP_CLIENT_MESSAGE_LOOP_EVENT_DISPATCHER_H_