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