homescreen/src/chromecontroller.cpp

   1 #include "chromecontroller.h"
   2 #include "aglsocketwrapper.h"
   3 #include "constants.h"
   4
   5 #include <QTimer>
   6 #include <QDebug>
   7 #include <QJsonDocument>
   8
   9 ChromeController::ChromeController(const QUrl &bindingUrl, QObject *parent) :
  10     QObject(parent)
  11   , m_aglSocket(new AglSocketWrapper(this))
  12 {
  13     //Alexa voice agent subscription----------------------------------------------------------------
  14     {
  15     connect(m_aglSocket, &AglSocketWrapper::connected,
  16             this, [this]() -> void {
  17                 m_aglSocket->apiCall(vshl::API, vshl::VOICE_AGENT_ENUMERATION_VERB, QJsonValue(),
  18                 [this](bool result, const QJsonValue &data) -> void {
  19                     qDebug() << (vshl::API + QLatin1String(":") + vshl::VOICE_AGENT_ENUMERATION_VERB)
  20                              << "result: " << result << " val: " << data;
  21                     if (!result) {
  22                         qWarning() << "Failed to enumerate voice agents";
  23                         return;
  24                     }
  25
  26                     QJsonObject dataObj = data.toObject();
  27                     auto objIt = dataObj.find(vshl::RESPONSE_TAG);
  28                     if (objIt == dataObj.constEnd()) {
  29                         qWarning() << "Voice agent enumeration response tag missing."
  30                                    << dataObj;
  31                         return;
  32                     }
  33
  34                     // Get default voice agent
  35                     dataObj = objIt.value().toObject();
  36                     QJsonObject responseObj = dataObj;
  37                     objIt = dataObj.find(vshl::DEFAULT_TAG);
  38                     if (objIt == dataObj.constEnd()) {
  39                         qWarning() << "Voice agent enumeration default agent tag missing."
  40                                    << dataObj;
  41                         return;
  42                     }
  43                     QString agentId = objIt.value().toString();
  44                     if (agentId.isEmpty()) {
  45                         qWarning() << "Default voice agent not found";
  46                         return;
  47                     }
  48                     qDebug() << (vshl::API + QLatin1String(":") + vshl::VOICE_AGENT_ENUMERATION_VERB) << "default: " << agentId;
  49
  50                     objIt = dataObj.find(vshl::AGENTS_TAG);
  51                     if (objIt == dataObj.constEnd()) {
  52                         qWarning() << "Voice agent enumeration agents tag missing."
  53                                    << dataObj;
  54                         return;
  55                     }
  56
  57                     // Sanity check that the default agent is actually listed
  58                     bool agentFound = false;
  59                     const QJsonArray agents = objIt.value().toArray();
  60                     for (const QJsonValue &agent : agents) {
  61                         const QJsonObject agentObj = agent.toObject();
  62                         auto agentIt = agentObj.find(vshl::ID_TAG);
  63                         if (agentIt == agentObj.constEnd())
  64                             continue;
  65                         if (agentId.compare(agentIt.value().toString()) == 0) {
  66                             agentFound = true;
  67                             break;
  68                         }
  69                     }
  70                     if (!agentFound) {
  71                         qWarning() << "Default voice agent configuration not found";
  72                         return;
  73                     }
  74                     m_agentPresent = true;
  75                     emit agentPresentChanged();
  76
  77                     //Voice agent subscription------------------------------------------------------
  78                     {
  79                         m_voiceAgentId = agentId;
  80                         const QJsonObject args {
  81                             { vshl::VOICE_AGENT_ID_ARG, agentId },
  82                             { vshl::VOICE_AGENT_EVENTS_ARG, vshl::VOICE_AGENT_EVENTS_ARRAY }
  83                         };
  84                         m_aglSocket->apiCall(vshl::API, vshl::SUBSCRIBE_VERB, args,
  85                         [](bool result, const QJsonValue &data) -> void {
  86                             qDebug() << (vshl::API + QLatin1String(":") + vshl::SUBSCRIBE_VERB)
  87                                      << "result: " << result << " val: " << data;
  88                         });
  89                     }
  90                     //------------------------------------------------------------------------------
  91                 });
  92             });
  93     }
  94     //----------------------------------------------------------------------------------------------<
  95
  96     //Socket connection management------------------------------------------------------------------
  97     {
  98     auto connectToBinding = [bindingUrl, this]() -> void {
  99         m_aglSocket->open(bindingUrl);
 100         qDebug() << "Connecting to:" << bindingUrl;
 101     };
 102     connect(m_aglSocket, &AglSocketWrapper::disconnected, this, [connectToBinding]() -> void {
 103                 QTimer::singleShot(2500, connectToBinding);
 104             });
 105     connectToBinding();
 106     }
 107     //----------------------------------------------------------------------------------------------
 108
 109     //Speech chrome state change event handling-----------------------------------------------------
 110     {
 111     connect(m_aglSocket, &AglSocketWrapper::eventReceived,
 112             this, [this](const QString &eventName, const QJsonValue &data) -> void {
 113         if (eventName.compare(vshl::VOICE_DIALOG_STATE_EVENT + m_voiceAgentId) == 0) {
 114             const QJsonObject dataObj = QJsonDocument::fromJson(data.toString().toUtf8()).object();
 115             auto objIt = dataObj.find(vshl::STATE_TAG);
 116             if (objIt == dataObj.constEnd()) {
 117                 qWarning() << "Voice dialog state event state missing.";
 118                 return;
 119             }
 120             const QString stateStr = objIt.value().toString();
 121             if (stateStr.compare(vshl::VOICE_DIALOG_IDLE) == 0) {
 122                 setChromeState(Idle);
 123             } else if (stateStr.compare(vshl::VOICE_DIALOG_LISTENING) == 0) {
 124                 setChromeState(Listening);
 125             } else if (stateStr.compare(vshl::VOICE_DIALOG_THINKING) == 0) {
 126                 setChromeState(Thinking);
 127             } else if (stateStr.compare(vshl::VOICE_DIALOG_SPEAKING) == 0) {
 128                 setChromeState(Speaking);
 129             } else if (stateStr.compare(vshl::VOICE_DIALOG_MICROPHONEOFF) == 0) {
 130                 setChromeState(MicrophoneOff);
 131             }
 132         }
 133     });
 134     }
 135     //----------------------------------------------------------------------------------------------
 136 }
 137
 138 void ChromeController::pushToTalk()
 139 {
 140     m_aglSocket->apiCall(vshl::API, vshl::TAP_TO_TALK_VERB, QJsonValue(),
 141                          [](bool result, const QJsonValue &data) -> void {
 142         qDebug() << (vshl::API + QLatin1String(":") + vshl::TAP_TO_TALK_VERB)
 143                  << "result: " << result << " val: " << data;
 144     });
 145 }
 146
 147 void ChromeController::setChromeState(ChromeController::ChromeState state)
 148 {
 149     const char* ChromeStateNames[MicrophoneOff + 1] = { "Idle", "Listening", "Thinking", "Speaking", "MicrophoneOff" };
 150
 151     if (m_chromeState != state) {
 152         m_chromeState = state;
 153         emit chromeStateChanged();
 154         if(state <= MicrophoneOff)
 155             qDebug() << "new state = " << ChromeStateNames[state];
 156         else
 157             qDebug() << "new state = " << state;
 158     }
 159 }