3 files changed, 239 insertions, 0 deletions
diff --git a/src/plugins/core/src/VRAgentsObserverImpl.cpp b/src/plugins/core/src/VRAgentsObserverImpl.cpp
new file mode 100644
index 0000000..7ee4a7e
--- /dev/null
+++ b/src/plugins/core/src/VRAgentsObserverImpl.cpp
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+#include "core/include/VRAgentsObserver.h"
+
+namespace vshl {
+namespace core {
+
+shared_ptr<VRAgentsObserver> VRAgentsObserver::create(weak_ptr<VRRequestProcessorDelegate> delegate) {
+    auto observer = std::shared_ptr<VRAgentsObserver>(new VRAgentsObserver(delegate));
+    return observer;
+}
+
+VRAgentsObserver::VRAgentsObserver(weak_ptr<VRRequestProcessorDelegate> delegate) {
+    mWeakDelegate = delegate;
+}
+
+VRAgentsObserver::~VRAgentsObserver() {
+}
+
+void VRAgentsObserver::OnDefaultVoiceAgentChanged(shared_ptr<vshl::common::interfaces::IVoiceAgent> defaultVoiceAgent) {
+    if (auto delegate = mWeakDelegate.lock()) {
+        delegate->setDefaultVoiceAgent(defaultVoiceAgent);
+    }
+}
+
+void VRAgentsObserver::OnVoiceAgentAdded(shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+}
+
+void VRAgentsObserver::OnVoiceAgentRemoved(shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+}
+
+void VRAgentsObserver::OnVoiceAgentActiveWakeWordChanged(shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+    // Not Implemented
+}
+
+void VRAgentsObserver::OnVoiceAgentActivated(shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+}
+
+void VRAgentsObserver::OnVoiceAgentDeactivated(shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+}
+}  // namespace core
+}  // namespace vshl
diff --git a/src/plugins/core/src/VRRequestImpl.cpp b/src/plugins/core/src/VRRequestImpl.cpp
new file mode 100644
index 0000000..00adf96
--- /dev/null
+++ b/src/plugins/core/src/VRRequestImpl.cpp
@@ -0,0 +1,92 @@
+/*
+ * 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.
+ */
+#include "core/include/VRRequest.h"
+
+#define FREEIF(x) \
+    if (!x) {     \
+        free(x);  \
+    }
+#define BREAKIF(x)      \
+    if (x) {            \
+        result = false; \
+        break;          \
+    }
+
+static string TAG = "vshl::core::VRRequest";
+
+using Level = vshl::common::interfaces::ILogger::Level;
+
+namespace vshl {
+namespace core {
+
+string VRRequest::VA_VERB_STARTLISTENING = "startListening";
+string VRRequest::VA_VERB_CANCEL = "cancel";
+
+unique_ptr<VRRequest> VRRequest::create(
+    shared_ptr<vshl::common::interfaces::ILogger> logger,
+    shared_ptr<vshl::common::interfaces::IAFBApi> afbApi,
+    const string requestId,
+    shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+    if (logger == nullptr) {
+        return nullptr;
+    }
+
+    if (afbApi == nullptr) {
+        logger->log(Level::ERROR, TAG, "Invalid AFB API");
+        return nullptr;
+    }
+
+    auto request = std::unique_ptr<VRRequest>(new VRRequest(logger, afbApi, requestId, voiceAgent));
+    return request;
+}
+
+VRRequest::VRRequest(
+    shared_ptr<vshl::common::interfaces::ILogger> logger,
+    shared_ptr<vshl::common::interfaces::IAFBApi> afbApi,
+    string requestId,
+    shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) :
+        mApi(afbApi),
+        mRequestId(requestId),
+        mVoiceAgent(voiceAgent),
+        mLogger(logger) {
+}
+
+VRRequest::~VRRequest() {
+}
+
+bool VRRequest::startListening() {
+    json_object* object = NULL;
+    std::string error, info;
+    bool result = true;
+    int rc = mApi->callSync(mVoiceAgent->getApi(), VA_VERB_STARTLISTENING, NULL, &object, error, info);
+
+    FREEIF(object);
+
+    return true;
+}
+
+bool VRRequest::cancel() {
+    json_object* object = NULL;
+    std::string error, info;
+    bool result = true;
+    int rc = mApi->callSync(mVoiceAgent->getApi(), VA_VERB_CANCEL, NULL, &object, error, info);
+
+    FREEIF(object);
+
+    return true;
+}
+
+}  // namespace core
+}  // namespace vshl
diff --git a/src/plugins/core/src/VRRequestProcessorDelegateImpl.cpp b/src/plugins/core/src/VRRequestProcessorDelegateImpl.cpp
new file mode 100644
index 0000000..e20b22e
--- /dev/null
+++ b/src/plugins/core/src/VRRequestProcessorDelegateImpl.cpp
@@ -0,0 +1,93 @@
+/*
+ * 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.
+ */
+#include "core/include/VRRequestProcessorDelegate.h"
+
+static string TAG = "vshl::core::VRRequestProcessorDelegate";
+
+using Level = vshl::common::interfaces::ILogger::Level;
+
+namespace vshl {
+namespace core {
+shared_ptr<VRRequestProcessorDelegate> VRRequestProcessorDelegate::create(
+    shared_ptr<vshl::common::interfaces::ILogger> logger,
+    shared_ptr<vshl::common::interfaces::IAFBApi> afbApi) {
+    auto delegate = std::shared_ptr<VRRequestProcessorDelegate>(new VRRequestProcessorDelegate(logger, afbApi));
+    return delegate;
+}
+
+VRRequestProcessorDelegate::VRRequestProcessorDelegate(
+    shared_ptr<vshl::common::interfaces::ILogger> logger,
+    shared_ptr<vshl::common::interfaces::IAFBApi> afbApi) :
+        mApi(afbApi),
+        mLogger(logger) {
+}
+
+VRRequestProcessorDelegate::~VRRequestProcessorDelegate() {
+    mVRRequests.clear();
+}
+
+string VRRequestProcessorDelegate::startRequestForVoiceAgent(
+    shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+    if (!mApi) {
+        mLogger->log(Level::ERROR, TAG, "Failed to startRequestForVoiceAgent: " + voiceAgent->getId() + ", No API.");
+        return "";
+    }
+
+    // Generate a new request ID.
+    string newReqId = vshl::utilities::uuid::generateUUID();
+
+    // Create a new request and start listening.
+    shared_ptr<VRRequest> newRequest = VRRequest::create(mLogger, mApi, newReqId, voiceAgent);
+
+    // mLogger->log(Level::DEBUG, TAG, "Starting request with ID: " + newReqId);
+    if (!newRequest->startListening()) {
+        mLogger->log(Level::ERROR, TAG, "Failed to start listening.");
+        return "";
+    }
+
+    // Insert only if its started successfully.
+    mVRRequests.insert(make_pair(voiceAgent->getId(), newRequest));
+
+    return newReqId;
+}
+
+void VRRequestProcessorDelegate::cancelAllRequests() {
+    // Cancel Pending requests
+    if (!mVRRequests.empty()) {
+        auto vrRequestsIt = mVRRequests.begin();
+        while (vrRequestsIt != mVRRequests.end()) {
+            if (!vrRequestsIt->second->cancel()) {
+                mLogger->log(Level::WARNING, TAG, "Failed to cancel request: " + vrRequestsIt->first);
+            }
+            vrRequestsIt++;
+        }
+        mVRRequests.clear();
+    }
+}
+
+unordered_map<string, shared_ptr<VRRequest>> VRRequestProcessorDelegate::getAllRequests() {
+    return mVRRequests;
+}
+
+void VRRequestProcessorDelegate::setDefaultVoiceAgent(shared_ptr<vshl::common::interfaces::IVoiceAgent> voiceAgent) {
+    mDefaultVoiceAgent = voiceAgent;
+}
+
+shared_ptr<vshl::common::interfaces::IVoiceAgent> VRRequestProcessorDelegate::getDefaultVoiceAgent() const {
+    return mDefaultVoiceAgent;
+}
+
+}  // namespace core
+}  // namespace vshl