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authorNaveen Bobbili <nbobbili@amazon.com>2019-02-25 21:00:09 -0800
committerNaveen Bobbili <nbobbili@amazon.com>2019-02-25 21:06:18 -0800
commit533f49cc00b0846c4f2ebd763b86b917f5023cdc (patch)
tree0950a62bc5c75c24712fefb8532ff82a23f1b947 /src/plugins/interfaces/afb
parent800ec166dd48283fd7f3035685e6b6a73091552d (diff)
vshl-capabilities:
This API is responsible for brokering capbilities related messages from voiceagents to apps and vice versa. Verbs exposed are navigation/publish navigation/subscribe phonecontrol/publish phonecontrol/subscribe playbackcontroller/publish playbackcontroller/subscribe guiMetadata/publish guiMetadata/subscribe This API exposes publish and subscribe methods for all the speech framework domains/capabilities. For eg. navigation, phonecontrol etc. This API is used by apps and low level voice agent binding to subscribe and publish these capability messages whenever applicable. This specific commit is for vshl-capabilities API. Change-Id: I822c2e8589e39574d707a7c199bea91a686dced7 Signed-off-by: Naveen Bobbili <nbobbili@amazon.com>
Diffstat (limited to 'src/plugins/interfaces/afb')
-rw-r--r--src/plugins/interfaces/afb/IAFBApi.h98
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diff --git a/src/plugins/interfaces/afb/IAFBApi.h b/src/plugins/interfaces/afb/IAFBApi.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_COMMON_INTERFACES_AFBAPI_H_
+#define VSHL_COMMON_INTERFACES_AFBAPI_H_
+
+#include <memory>
+#include <string>
+
+#include <json-c/json_object.h>
+
+using namespace std;
+
+namespace vshlcapabilities {
+namespace common {
+namespace interfaces {
+
+/**
+ * Interface to represent AFB Request.
+ */
+class IAFBRequest {
+public:
+ /**
+ * Gets the native request object.
+ */
+ virtual void* getNativeRequest() = 0;
+};
+
+/**
+ * Interface to encapsulate all AFB (AGL Application Framework Binding)
+ * functions.
+ */
+class IAFBApi {
+public:
+ /**
+ * Interface to represent AFB Event
+ */
+ class IAFBEvent {
+ public:
+ /**
+ * Gets human readable name of the event.
+ */
+ virtual std::string getName() const = 0;
+
+ /**
+ * Returns true if event is valid. False otherwise.
+ */
+ virtual bool isValid() = 0;
+
+ /**
+ * Publish event to all observers.
+ *
+ * @return The number of observers that received the event.
+ */
+ virtual int publishEvent(struct json_object* payload) = 0;
+
+ /**
+ * Subscribe to the event
+ *
+ * @c request Party interested in the event.
+ */
+ virtual bool subscribe(IAFBRequest& request) = 0;
+
+ /**
+ * Unsubscribe to the event
+ *
+ * @c request Party no longer interested in the event.
+ */
+ virtual bool unsubscribe(IAFBRequest& request) = 0;
+ };
+
+ virtual std::shared_ptr<IAFBEvent> createEvent(const std::string& eventName) = 0;
+
+ virtual int callSync(
+ const std::string& api,
+ const std::string& verb,
+ struct json_object* request,
+ struct json_object** result,
+ std::string& error,
+ std::string& info) = 0;
+};
+
+} // namespace interfaces
+} // namespace common
+} // namespace vshl
+
+#endif // VSHL_COMMON_INTERFACES_AFBAPI_H_