Add binder::Object

Object is the base class of LocalObject and RemoteObject.

LocalObject handles incoming transactions by actually implementing the
behavior.
RemoteObject transacts with an object living in a different process.

BUG=563282

Review URL: https://codereview.chromium.org/1538813002

Cr-Commit-Position: refs/heads/master@{#367790}

1 files changed, 38 insertions, 0 deletions

diff --git a/chromeos/binder/remote_object.cc b/chromeos/binder/remote_object.cc
new file mode 100644
index 0000000..c00ba3f
--- /dev/null
+++ b/chromeos/binder/remote_object.cc
@@ -0,0 +1,38 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromeos/binder/remote_object.h"
+
+#include "base/location.h"
+#include "base/thread_task_runner_handle.h"
+#include "chromeos/binder/command_broker.h"
+
+namespace binder {
+
+RemoteObject::RemoteObject(CommandBroker* command_broker, int32_t handle)
+    : release_closure_(command_broker->GetReleaseReferenceClosure(handle)),
+      release_task_runner_(base::ThreadTaskRunnerHandle::Get()),
+      handle_(handle) {
+  command_broker->AddReference(handle_);
+}
+
+RemoteObject::~RemoteObject() {
+  if (release_task_runner_->BelongsToCurrentThread()) {
+    release_closure_.Run();
+  } else {
+    release_task_runner_->PostTask(FROM_HERE, release_closure_);
+  }
+}
+
+Object::Type RemoteObject::GetType() const {
+  return TYPE_REMOTE;
+}
+
+bool RemoteObject::Transact(CommandBroker* command_broker,
+                            const TransactionData& data,
+                            scoped_ptr<TransactionData>* reply) {
+  return command_broker->Transact(handle_, data, reply);
+}
+
+}  // namespace binder