1 files changed, 67 insertions, 0 deletions
diff --git a/src/plugins/core/include/VRAgentsObserver.h b/src/plugins/core/include/VRAgentsObserver.h
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+++ b/src/plugins/core/include/VRAgentsObserver.h
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+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *     http://aws.amazon.com/apache2.0/
+ *
+ * or in the "license" file accompanying this file. This file 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 VSHL_CORE_INCLUDE_VR_AGENTS_OBSERVER_H_
+#define VSHL_CORE_INCLUDE_VR_AGENTS_OBSERVER_H_
+
+#include <memory>
+
+#include "core/include/VRRequestProcessorDelegate.h"
+#include "interfaces/voiceagents/IVoiceAgentsChangeObserver.h"
+#include "utilities/logging/Logger.h"
+
+using namespace std;
+
+namespace vshl {
+namespace core {
+/*
+ * This class will observe the changes to the voiceagents data and transfers
+ * the actual handling responsibility to its delegate.
+ */
+class VRAgentsObserver
+    : public vshl::common::interfaces::IVoiceAgentsChangeObserver {
+public:
+  // Create a VRAgentsObserver.
+  static shared_ptr<VRAgentsObserver>
+  create(weak_ptr<VRRequestProcessorDelegate> delegate);
+
+  ~VRAgentsObserver();
+
+protected:
+  void OnDefaultVoiceAgentChanged(
+      shared_ptr<vshl::common::interfaces::IVoiceAgent> defaultVoiceAgent)
+      override;
+  void OnVoiceAgentAdded(
+      shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) override;
+  void OnVoiceAgentRemoved(
+      shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) override;
+  void OnVoiceAgentActiveWakeWordChanged(
+      shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) override;
+  void OnVoiceAgentActivated(
+      shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) override;
+  void OnVoiceAgentDeactivated(
+      shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) override;
+
+private:
+  // Constructor
+  VRAgentsObserver(weak_ptr<VRRequestProcessorDelegate> delegate);
+
+  // Delegate that needs to be informed of the voiceagent data changes.
+  weak_ptr<VRRequestProcessorDelegate> mWeakDelegate;
+};
+
+} // namespace core
+} // namespace vshl
+
+#endif // VSHL_CORE_INCLUDE_VR_AGENTS_OBSERVER_H_