Use tokens for IOmxNode.

Test: Mirroring, Camera, Photos, YouTube and Play Movies apps.
Bug: 35442034
Change-Id: I0e43ec57d0f37c71d41652fd9883b72650433e20
diff --git a/media/libmedia/omx/1.0/WOmxObserver.cpp b/media/libmedia/omx/1.0/WOmxObserver.cpp
new file mode 100644
index 0000000..fa0407f
--- /dev/null
+++ b/media/libmedia/omx/1.0/WOmxObserver.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2016, 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.
+ */
+
+#define LOG_TAG "WOmxObserver-utils"
+
+#include <vector>
+
+#include <utils/Log.h>
+#include <cutils/native_handle.h>
+#include <binder/Binder.h>
+
+#include <media/omx/1.0/WOmxObserver.h>
+#include <media/omx/1.0/Conversion.h>
+
+namespace android {
+namespace hardware {
+namespace media {
+namespace omx {
+namespace V1_0 {
+namespace utils {
+
+// LWOmxObserver
+LWOmxObserver::LWOmxObserver(sp<IOmxObserver> const& base) : mBase(base) {
+}
+
+void LWOmxObserver::onMessages(std::list<omx_message> const& lMessages) {
+    hidl_vec<Message> tMessages;
+    std::vector<native_handle_t*> handles(lMessages.size());
+    tMessages.resize(lMessages.size());
+    size_t i = 0;
+    for (auto const& message : lMessages) {
+        wrapAs(&tMessages[i], &handles[i], message);
+        ++i;
+    }
+    auto transResult = mBase->onMessages(tMessages);
+    if (!transResult.isOk()) {
+        ALOGE("LWOmxObserver::onMessages - Transaction failed");
+    }
+    for (auto& handle : handles) {
+        native_handle_close(handle);
+        native_handle_delete(handle);
+    }
+}
+
+// TWOmxObserver
+TWOmxObserver::TWOmxObserver(sp<IOMXObserver> const& base) : mBase(base) {
+}
+
+Return<void> TWOmxObserver::onMessages(const hidl_vec<Message>& tMessages) {
+    std::list<omx_message> lMessages;
+    for (size_t i = 0; i < tMessages.size(); ++i) {
+        lMessages.push_back(omx_message{});
+        convertTo(&lMessages.back(), tMessages[i]);
+    }
+    mBase->onMessages(lMessages);
+    return Return<void>();
+}
+
+}  // namespace utils
+}  // namespace V1_0
+}  // namespace omx
+}  // namespace media
+}  // namespace hardware
+}  // namespace android