BT: Update to support WebSocket

	modified:   app/bluetooth/Bluetooth.qml
	modified:   binding-bluetooth/binding-bluetooth.pro
	new file:   binding-bluetooth/bluetooth-agent.c
	new file:   binding-bluetooth/bluetooth-agent.h
	modified:   binding-bluetooth/bluetooth-api.c
	modified:   binding-bluetooth/bluetooth-api.h
	modified:   binding-bluetooth/bluetooth-manager.c
	modified:   binding-bluetooth/bluetooth-manager.h
	new file:   binding-bluetooth/bluez-client.c
	new file:   binding-bluetooth/bluez-client.h
	new file:   binding-bluetooth/lib_agent.c
	new file:   binding-bluetooth/lib_agent.h
	new file:   binding-bluetooth/lib_bluez.c
	new file:   binding-bluetooth/lib_bluez.h
	new file:   binding-bluetooth/lib_ofono.c
	new file:   binding-bluetooth/lib_ofono.h
	new file:   binding-bluetooth/lib_ofono_modem.c
	new file:   binding-bluetooth/lib_ofono_modem.h
	new file:   binding-bluetooth/ofono-client.c
	new file:   binding-bluetooth/ofono-client.h

	modified:   Bluetooth.qml

Change-Id: I18bc7ed86b6759d5b55a2662cf3ebd0d1e81b07f
Signed-off-by: yidongmiao <yidong.miao@cn.alps.com>
Jira identifier: SPEC-528

1 files changed, 521 insertions, 369 deletions

diff --git a/app/bluetooth/Bluetooth.qml b/app/bluetooth/Bluetooth.qml
index 0ce01a1..a99d8a0 100644
--- a/app/bluetooth/Bluetooth.qml
+++ b/app/bluetooth/Bluetooth.qml
@@ -1,369 +1,521 @@
-/*
- * Copyright (C) 2016 The Qt Company Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License 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.
- */
-
-import QtQuick 2.6
-import QtQuick.Layouts 1.1
-import QtQuick.Controls 2.0
-import '..'
-
-SettingPage {
-    id: root
-    icon: '/bluetooth/images/HMI_Settings_BluetoothIcon.svg'
-    title: 'Bluetooth'
-    checkable: true
-
-    property string btAPIpath: bindingAddress + '/Bluetooth-manager/'
-    property var jsonObjectBT
-    property string currentState: 'idle'
-    property string btState: 'off' //add property to indicate the bt status
-
-    Text {
-        id: log
-        anchors.fill: parent
-        anchors.margins: 10
-        horizontalAlignment: Text.AlignHCenter
-        verticalAlignment: Text.AlignVCenter
-        //text: "log"
-    }
-
-    onCheckedChanged: {
-        console.log("Bluetooth set to", checked)
-        if (checked == true) {
-            request(btAPIpath + 'power?value=1', function (o) {
-                // log the json response
-                console.log(o.responseText)
-            })
-            request(btAPIpath + 'start_discovery', function (o) {
-               console.log(o.responseText)
-            })
-            buttonScan.text = "STOP"		//when power on and after send the discovery command, button set to STOP
-            currentState = 'discovering'
-            btState = 'on'	//bt is on
-            //search_device()
-            periodicRefresh.start()
-
-        } else {
-            //console.log(networkPath)
-            btDeviceList.clear()
-            periodicRefresh.stop()
-            request(btAPIpath + 'stop_discovery', function (o) {
-               // log the json response
-               console.log(o.responseText)
-            })
-            request(btAPIpath + 'power?value=0', function (o) {
-                // log the json response
-                //showRequestInfo(o.responseText)
-                console.log(o.responseText)
-            })
-            buttonScan.text = "SEARCH"	//when power off the button should be set to SEARCH
-            currentState = 'idle'
-            btState = 'off'	//bt off
-        }
-    }
-
-    ListModel {
-      id: btDeviceList
-    }
-
-    Rectangle {
-      anchors.horizontalCenter: parent.horizontalCenter
-      anchors.bottom: parent.bottom
-      anchors.margins: 80
-      width: buttonScan.width + 10
-      height: buttonScan.height + 10
-      color: "#222"
-      border.color: "white"
-
-                Button {
-                    id: buttonScan
-                    anchors.centerIn: parent
-                    width: 100
-                    text: "SEARCH"	//default value is SEARCH
-
-                    MouseArea {
-                        //id: mouseArea
-                        anchors.fill: parent
-
-                        onClicked: {
-                            if (buttonScan.text == "SEARCH"){
-                                if (btState == 'on'){	//only response to the requirement when bt is on
-                                    request(btAPIpath + 'start_discovery', function (o) {
-
-                                    // log the json response
-                                    //showRequestInfo(o.responseText)
-                                    console.log(o.responseText)
-                                })
-                                    buttonScan.text = "STOP"
-                                    currentState = 'discovering'
-                                    periodicRefresh.start()
-                                }
-
-                            }else{
-                                request(btAPIpath + 'stop_discovery', function (o) {
-
-                                    // log the json response
-                                    //showRequestInfo(o.responseText)
-                                    console.log(o.responseText)
-                                })
-                                buttonScan.text = "SEARCH"
-                                currentState = 'idle'
-                                //periodicRefresh.stop()  //in order to update the content from bluez
-                            }
-                        }
-                    }
-                }
-      }
-
-      function request(url, callback) {
-            var xhr = new XMLHttpRequest()
-            xhr.onreadystatechange = (function (myxhr) {
-            return function () {
-                     if (xhr.readyState == 4 && xhr.status == 200){
-                         callback(myxhr)
-                     }
-                 }
-             })(xhr)
-             xhr.open('GET', url, false)
-             xhr.send('')
-       }
-
-      Component {
-         id:blueToothDevice
-         Rectangle {
-         height: 120
-         width: parent.width
-         color: "transparent"
-             MouseArea {
-               anchors.fill: parent
-                 Column {
-                     anchors.left: parent.left
-                     anchors.leftMargin: 80
-                     Text {
-                        id: btName
-                        text: deviceName
-                        color: '#66FF99'
-                        font.pixelSize: 48
-                     }
-//                     Text {
-//                        id: btAddr
-//                        text: deviceAddress
-//                        font.pixelSize: 24
-//                        color: 'white'
-//                     }
-                     Text {
-                        text: {
-                          if ((devicePairable === "True")
-                                 && (deviceConnect === "False"))
-                                 text = "paired, "
-                          else if ((devicePairable === "True")
-                                   && (deviceConnect === "True")
-                                   && (connectAVP === "True")
-                                   && (connectHFP === "False"))
-                                   text = "AV Connection, "
-                          else if ((devicePairable === "True")
-                                    && (deviceConnect === "True")
-                                    && (connectHFP === "True")
-                                    && (connectAVP === "False"))
-                                    text = "Handsfree Connection, "
-                          else if ((devicePairable === "True")
-                                   && (deviceConnect === "True")
-                                   && (connectHFP === "True")
-                                   && (connectAVP === "True"))
-                                   text = "Handsfree & AV Connection, "
-                          else
-                             text = ""
-                          text = text + deviceAddress
-                        }
-                        font.pointSize: 18
-                        color: "#ffffff"
-                        font.italic: true
-                     }
-                     Text {
-                       id: btPairable
-                       text: devicePairable
-                       visible: false
-                     }
-                     Text {
-                       id: btConnectstatus
-                       text: deviceConnect
-                       visible: false
-                     }
-
-                 }
-                 Button {
-                     id: removeButton
-                     anchors.top:parent.top
-                     anchors.topMargin: 15
-                     //anchors.horizontalCenter: btName.horizontalCenter
-                     anchors.right: parent.right
-                     anchors.rightMargin: 100
-
-                     text: "Unpair"
-                     MouseArea {
-                         anchors.fill: parent
-                         onClicked: {
-                             request(btAPIpath + 'remove_device?value=' + deviceAddress, function (o) {
-                                 console.log(o.responseText)
-                             })
-                             btDeviceList.remove(findDevice(deviceAddress))
-                         }
-                     }
-
-                 }
-
-                 Button {
-                  id: connectButton
-                  anchors.top:parent.top
-                  anchors.topMargin: 15
-                  //anchors.horizontalCenter: btName.horizontalCenter
-                  anchors.right: removeButton.left
-                  anchors.rightMargin: 10
-
-                  text:((connectHFP === "True") || (connectAVP === "True"))? "Disconnect":((btPairable.text == "True")? "Connect":"Pair")
-                  // only when HFP or AVP is connected, button will be shown as Disconnect
-		  MouseArea {
-                     anchors.fill: parent
-                     onClicked: {
-                        if (currentState == 'discovering'){
-                             request(btAPIpath + 'stop_discovery', function (o) {
-                               currentState = "idle"
-                               console.log(o.responseText)
-                             })
-                           }
-                        if (connectButton.text == "Pair"){
-                             connectButton.text = "Connect"
-                             request(btAPIpath + 'pair?value=' + deviceAddress, function (o) {
-                             btPairable.text = "True"
-                                console.log(o.responseText)
-                             })
-                             request(btAPIpath + 'set_property?Address=' + deviceAddress + '\&Property=Trusted\&value=true', function (o) {
-                                console.log(o.responseText)
-                             })
-                         }
-                         else if (connectButton.text == "Connect"){
-                                  connectButton.text = "Disconnect"
-                                  request(btAPIpath + 'connect?value=' + deviceAddress, function (o) {
-                                    console.log(o.responseText)
-                                  })
-                         }
-                         else if (connectButton.text == "Disconnect"){
-                                  request(btAPIpath + 'disconnect?value=' + deviceAddress, function (o) {
-                                    console.log(o.responseText)
-                                  })
-                                  connectButton.text = "Connect"
-                                  btDeviceList.remove(findDevice(deviceAddress))
-                          }
-                      }
-                    }
-                }
-             }
-
-             Image {
-                 source: '../images/HMI_Settings_DividingLine.svg'
-                 anchors.horizontalCenter: parent.horizontalCenter
-                 anchors.top: parent.top
-                 anchors.topMargin: -15
-
-                 visible: model.index > 0
-             }
-          }
-      }
-
-      ListView {
-          width: parent.width
-          anchors.top: parent.top
-          anchors.topMargin: 70
-          anchors.bottom: parent.bottom
-          anchors.bottomMargin: 150
-          model: btDeviceList
-          delegate: blueToothDevice
-          clip: true
-      }
-
-      function findDevice(address){
-                for (var i = 0; i < jsonObjectBT.length; i++) {
-                    if (address === jsonObjectBT[i].Address){
-                        return i
-                }
-          }
-      }
-      function search_device(){
-                btDeviceList.clear()
-                request(btAPIpath + 'discovery_result', function (o) {
-
-                    // log the json response
-                    console.log(o.responseText)
-
-                    // translate response into object
-                    var jsonObject = eval('(' + o.responseText + ')')
-
-                    jsonObjectBT = eval('(' + JSON.stbtPairableringify(
-                                                      jsonObject.response) + ')')
-
-                    console.log("BT list refreshed")
-
-                    //console.log(jsonObject.response)
-                    for (var i = 0; i < jsonObjectBT.length; i++) {
-                    btDeviceList.append({
-                                            deviceAddress: jsonObjectBT[i].Address,
-                                            deviceName: jsonObjectBT[i].Name,
-                                            devicePairable:jsonObjectBT[i].Paired,
-                                            deviceConnect: jsonObjectBT[i].Connected,
-                                            connectAVP: jsonObjectBT[i].AVPConnected,
-                                            connectHFP: jsonObjectBT[i].HFPConnected
-                                        })
-                     }
-               })
-      }
-
-      //Timer for periodic refresh; this is BAD solution, need to figure out how to subscribe for events
-      Timer {
-                id: periodicRefresh
-                interval: (currentState == "idle")? 10000:1000 // 1second
-                onTriggered: {
-
-                    btDeviceList.clear()
-
-                    request(btAPIpath + 'discovery_result', function (o) {
-
-                        // log the json response
-                        console.log(o.responseText)
-
-                        // translate response into object
-                        var jsonObject = eval('(' + o.responseText + ')')
-
-                        jsonObjectBT = eval('(' + JSON.stringify(
-                                                          jsonObject.response) + ')')
-
-                        console.log("BT list refreshed")
-
-                        //console.log(jsonObject.response)
-                        for (var i = 0; i < jsonObjectBT.length; i++) {
-                        btDeviceList.append({
-                                                deviceAddress: jsonObjectBT[i].Address,
-                                                deviceName: jsonObjectBT[i].Name,
-                                                devicePairable:jsonObjectBT[i].Paired,
-                                                deviceConnect: jsonObjectBT[i].Connected,
-                                                connectAVP: jsonObjectBT[i].AVPConnected,
-                                                connectHFP: jsonObjectBT[i].HFPConnected
-                                            })
-                       }
-                    })
-                    start()
-                }
-            }
- }
-
+/*

+ * Copyright (C) 2016 The Qt Company Ltd.

+ *

+ * Licensed under the Apache License, Version 2.0 (the "License");

+ * you may not use this file except in compliance with the License.

+ * You may obtain a copy of the License at

+ *

+ *      http://www.apache.org/licenses/LICENSE-2.0

+ *

+ * Unless required by applicable law or agreed to in writing, software

+ * distributed under the License 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.

+ */

+

+import QtQuick 2.6

+import QtQuick.Layouts 1.1

+import QtQuick.Controls 2.0

+import QtWebSockets 1.0

+import '..'

+

+SettingPage {

+    id: root

+    icon: '/bluetooth/images/HMI_Settings_BluetoothIcon.svg'

+    title: 'Bluetooth'

+    checkable: true

+

+    property string btAPIpath: bindingAddress + '/Bluetooth-manager/'

+    property var jsonObjectBT: []

+    property string currentState: 'idle'

+    property string btState: 'off' //add property to indicate the bt status

+    property string initDevice: 'N'

+

+    property string address_str: bindingAddressWS

+    property string token_str: ""

+    property string api_str: "Bluetooth-Manager"

+    property string verb_str: ""

+    property var parameterJson: 'None'

+    property string payloadLength: "9999"

+    property var msgid_enu: {

+         "call": 2,

+         "retok": 3,

+         "reterr": 4,

+         "event": 5

+    }

+    property string request_str: ""

+    property string status_str: ""

+

+    WebSocket {

+        id: websocket

+        url: address_str

+        onTextMessageReceived: {

+            var message_json = JSON.parse(message);

+            //console.log("Raw response: " + message)

+            //console.log("JSON response: " + message_json)

+            if (message_json[0] === msgid_enu.reterr) {

+                console.log("Return value is not OK!")

+                return

+            }

+            else if ((message_json[0] === msgid_enu.event)){

+                var eventContent = JSON.parse(JSON.stringify(message_json[2]))

+                if (eventContent.event === "Bluetooth-Manager/device_added"){

+                    //jsonObjectBT.add(eventContent.data)

+                    //btDeviceList.clear()

+                    console.log("BT list refreshed")

+                    initDevice = 'Y'

+                    btDeviceList.append({

+                                        deviceAddress: eventContent.data.Address,

+                                        deviceName: eventContent.data.Name,

+                                        devicePairable:eventContent.data.Paired,

+                                        deviceConnect: eventContent.data.Connected,

+                                        connectAVP: eventContent.data.AVPConnected,

+                                        connectHFP: eventContent.data.HFPConnected,

+                                        textToShow: ""

+                                    })

+                } else if(eventContent.event === "Bluetooth-Manager/device_removed"){

+                  if (findDevice(eventContent.data.Address) >= 0){

+                      btDeviceList.remove(findDevice(eventContent.data.Address))

+                  }

+                } else if(eventContent.event === "Bluetooth-Manager/device_updated"){

+                  updateDeviceAttribute(eventContent.data)

+                } else if(eventContent.event === "Bluetooth-Manager/request_confirmation"){

+                    request(btAPIpath + "send_confirmation?value=yes", function (o) {

+                    console.log(o.responseText)

+                  })

+                }

+            }

+            if ((verb_str == "connect") || (verb_str == "refresh")) {

+                token_str = message_json[3]

+            } else if (verb_str == "logout") {

+                token_str = ""

+                websocket.active = false

+                console.log("close socket")

+            }

+        }

+        onStatusChanged: {

+            if (websocket.status == WebSocket.Error) {

+                status_str = "Error: " + websocket.errorString

+            } else if (websocket.status == WebSocket.Open) {

+                status_str = "Socket opened; sending message..."

+                if (verb_str == "connect"){

+                    WebSocket.sendTextMessage (request_str)

+                }

+

+                verb_str = "eventadd"

+                parameterJson = {

+                    tag: 'device_updated',

+                    name: 'device_updated'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventsub"

+                parameterJson = {

+                    tag: 'device_updated'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventadd"

+                parameterJson = {

+                    tag: 'device_added',

+                    name: 'device_added'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventsub"

+                parameterJson = {

+                    tag: 'device_added'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventadd"

+                parameterJson = {

+                    tag: 'device_removed',

+                    name: 'device_removed'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventsub"

+                parameterJson = {

+                    tag: 'device_removed'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventadd"

+                parameterJson = {

+                    tag: 'request_confirmation',

+                    name: 'request_confirmation'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+                verb_str = "eventsub"

+                parameterJson = {

+                    tag: 'request_confirmation'

+                }

+                sendSocketMesage(verb_str, parameterJson)

+

+            } else if (websocket.status == WebSocket.Closed) {

+                status_str = "Socket closed"

+            }

+        }

+        active: false

+    }

+

+    Text {

+        id: log

+        anchors.fill: parent

+        anchors.margins: 10

+        horizontalAlignment: Text.AlignHCenter

+        verticalAlignment: Text.AlignVCenter

+    }

+

+    onCheckedChanged: {

+        console.log("Bluetooth set to", checked)

+        if (checked == true) {

+            initBTlist()

+            request(btAPIpath + 'power?value=1', function (o) {

+                // log the json response

+                console.log(o.responseText)

+                websocket.active = true

+            })

+            request(btAPIpath + 'set_property?Property=Discoverable\&value=true', function (o) {

+               console.log(o.responseText)

+            })

+            request(btAPIpath + 'set_property?Property=Pairable\&value=true', function (o) {

+               console.log(o.responseText)

+            })

+            request(btAPIpath + 'start_discovery', function (o) {

+               console.log(o.responseText)

+            })

+            buttonScan.text = "STOP"		//when power on and after send the discovery command, button set to STOP

+            currentState = 'discovering'

+            btState = 'on'	//bt is on

+

+        } else {

+            btDeviceList.clear()

+            request(btAPIpath + 'stop_discovery', function (o) {

+               // log the json response

+               console.log(o.responseText)

+            })

+            request(btAPIpath + 'power?value=0', function (o) {

+                // log the json response

+                console.log(o.responseText)

+            })

+            buttonScan.text = "SEARCH"	//when power off the button should be set to SEARCH

+            currentState = 'idle'

+            btState = 'off'	//bt off

+            websocket.active = false

+        }

+    }

+

+    function sendSocketMesage(verb, parameter) {

+        var requestJson = [msgid_enu.call, payloadLength, api_str + '/'

+                           + verb, parameter]

+        websocket.sendTextMessage(JSON.stringify(requestJson))

+    }

+

+    ListModel {

+      id: btDeviceList

+    }

+

+    Rectangle {

+      anchors.horizontalCenter: parent.horizontalCenter

+      anchors.bottom: parent.bottom

+      anchors.margins: 80

+      width: buttonScan.width + 10

+      height: buttonScan.height + 10

+      color: "#222"

+      border.color: "white"

+

+                Button {

+                    id: buttonScan

+                    anchors.centerIn: parent

+                    width: 100

+                    text: "SEARCH"	//default value is SEARCH

+

+                    MouseArea {

+                        //id: mouseArea

+                        anchors.fill: parent

+

+                        onClicked: {

+                            if (buttonScan.text == "SEARCH"){

+                                if (btState == 'on'){	//only response to the requirement when bt is on

+                                    request(btAPIpath + 'start_discovery', function (o) {

+

+                                    // log the json response

+                                    console.log(o.responseText)

+                                })

+                                    buttonScan.text = "STOP"

+                                    currentState = 'discovering'

+                                }

+                            }else{

+                                request(btAPIpath + 'stop_discovery', function (o) {

+                                    // log the json response

+                                    console.log(o.responseText)

+                                })

+                                buttonScan.text = "SEARCH"

+                                currentState = 'idle'

+                            }

+                        }

+                    }

+                }

+      }

+

+      function request(url, callback) {

+            var xhr = new XMLHttpRequest()

+            xhr.onreadystatechange = (function (myxhr) {

+            return function () {

+                     if (xhr.readyState == 4 && xhr.status == 200){

+                         callback(myxhr)

+                     }

+                 }

+             })(xhr)

+             xhr.open('GET', url, false)

+             xhr.send('')

+       }

+

+      Component {

+         id:blueToothDevice

+         Rectangle {

+         height: 120

+         width: parent.width

+         color: "transparent"

+             MouseArea {

+               anchors.fill: parent

+                 Column {

+                     anchors.left: parent.left

+                     anchors.leftMargin: 80

+                     Text {

+                        id: btName

+                        text: deviceName

+                        color: '#66FF99'

+                        font.pixelSize: 48

+                     }

+                     Text {

+                        id: btStatus

+                        property string connectionState:""

+                        text: {

+                          if ((devicePairable === "True")

+                                 && (deviceConnect === "False"))

+                                 text = ", paired"

+                          else if ((devicePairable === "True")

+                                   && (deviceConnect === "True")

+                                   && (connectAVP === "True")

+                                   && (connectHFP === "False"))

+                                   text = " AV Connection, "

+                          else if ((devicePairable === "True")

+                                    && (deviceConnect === "True")

+                                    && (connectHFP === "True")

+                                    && (connectAVP === "False"))

+                                    text = " Handsfree Connection, "

+                          else if ((devicePairable === "True")

+                                   && (deviceConnect === "True")

+                                   && (connectHFP === "True")

+                                   && (connectAVP === "True"))

+                                   text = " Handsfree & AV Connection, "

+                          else

+                             text = connectionState

+                          if (initDevice === "Y")

+                          {

+                             textToShow = text

+                             text = deviceAddress + text

+                             initDevice = 'N'

+                          }

+                          else

+                          {

+                             text = deviceAddress + textToShow

+                          }

+                        }

+                        font.pixelSize: 18

+                        color: "#ffffff"

+                        font.italic: true

+                     }

+                     Text {

+                       id: btPairable

+                       text: devicePairable

+                       visible: false

+                     }

+                     Text {

+                       id: btConnectstatus

+                       text: deviceConnect

+                       visible: false

+                     }

+                 }

+                 Button {

+                     id: removeButton

+                     anchors.top:parent.top

+                     anchors.topMargin: 15

+                     //anchors.horizontalCenter: btName.horizontalCenter

+                     anchors.right: parent.right

+                     anchors.rightMargin: 100

+

+                     text: "Unpair"

+                     MouseArea {

+                         anchors.fill: parent

+                         onClicked: {

+                             request(btAPIpath + 'remove_device?value=' + deviceAddress, function (o) {

+                                 console.log(o.responseText)

+                             })

+                             if (findDevice(deviceAddress) >= 0){

+                                btDeviceList.remove(findDevice(deviceAddress))

+                             }

+                         }

+                     }

+                 }

+

+                 Button {

+                  id: connectButton

+                  anchors.top:parent.top

+                  anchors.topMargin: 15

+                  anchors.right: removeButton.left

+                  anchors.rightMargin: 10

+

+                  text:(deviceConnect == "True")? "Disconnect":((btPairable.text == "True")? "Connect":"Pair")

+                  // only when HFP or AVP is connected, button will be shown as Disconnect

+		  MouseArea {

+                     anchors.fill: parent

+                     onClicked: {

+                        if (currentState == 'discovering'){

+                             request(btAPIpath + 'stop_discovery', function (o) {

+                               currentState = "idle"

+                               console.log(o.responseText)

+                             })

+                           }

+                        if (connectButton.text == "Pair"){

+                             connectButton.text = "Connect"

+                             request(btAPIpath + 'pair?value=' + deviceAddress, function (o) {

+                             btPairable.text = "True"

+                                console.log(o.responseText)

+                             })

+                             request(btAPIpath + 'set_device_property?Address=' + deviceAddress + '\&Property=Trusted\&value=true', function (o) {

+                                console.log(o.responseText)

+                             })

+                         }

+                         else if (connectButton.text == "Connect"){

+                                  connectButton.text = "Disconnect"

+                                  request(btAPIpath + 'connect?value=' + deviceAddress, function (o) {

+                                    console.log(o.responseText)

+                                  })

+                         }

+                         else if (connectButton.text == "Disconnect"){

+                                  request(btAPIpath + 'disconnect?value=' + deviceAddress, function (o) {

+                                    console.log(o.responseText)

+                                  })

+                                  connectButton.text = "Connect"

+                          }

+                      }

+                    }

+                }

+             }

+

+             Image {

+                 source: '../images/HMI_Settings_DividingLine.svg'

+                 anchors.horizontalCenter: parent.horizontalCenter

+                 anchors.top: parent.top

+                 anchors.topMargin: -15

+

+                 visible: model.index > 0

+             }

+          }

+      }

+

+      ListView {

+          width: parent.width

+          anchors.top: parent.top

+          anchors.topMargin: 70

+          anchors.bottom: parent.bottom

+          anchors.bottomMargin: 150

+          model: btDeviceList

+          delegate: blueToothDevice

+          clip: true

+      }

+

+      function findDevice(address){

+          for (var i = 0; i < btDeviceList.count; i++) {

+              if (address === btDeviceList.get(i).deviceAddress){

+                  return i

+                  }

+              }

+          return -1

+      }

+

+      function updateDeviceAttribute(data){

+            var text = ""

+            for (var i = 0; i < btDeviceList.count; i++) {

+                if (data.Address === btDeviceList.get(i).deviceAddress){

+                    btDeviceList.get(i).devicePairable = data.Paired

+                    if (data.Paired == "True")

+                    {

+                        console.log("connectButton  " + btDeviceList.get(i).btStatus)

+                        //ALCZbtDeviceList.get(i).connectButton.text = "Connect"

+                    }

+

+                    if ((data.Paired === "True")

+                               && (data.Connected === "False"))

+                        text = ", paired"

+                    else if ((data.Paired === "True")

+                               && (data.Connected === "True")

+                               && (data.AVPConnected === "True")

+                               && (data.HFPConnected === "False"))

+                        text = "AV Connection, "

+                    else if ((data.Paired === "True")

+                                && (data.Connected === "True")

+                                && (data.HFPConnected === "True")

+                                && (data.AVPConnected === "False"))

+                        text = "Handsfree Connection, "

+                    else if ((data.Paired === "True")

+                                && (data.Connected === "True")

+                                && (data.HFPConnected === "True")

+                                && (data.AVPConnected === "True")) {

+                        console.log("all connected!!")

+                        text = ", Handsfree & AV Connection"}

+                    else

+                        text = ""

+

+                    btDeviceList.set(i, {

+                                            textToShow: " " + text

+                                        })

+                    console.log("iamhere" + btDeviceList.get(i).deviceAddress + data.Paired)

+

+                    //btDeviceList.get(i).btStatus = text + btDeviceList.get(i).deviceAddress //btDeviceList.get(i).textToShow

+                    btDeviceList.layoutChanged()

+

+                    btDeviceList.get(i).deviceConnect = data.Connected

+                    console.log(data.Connected)

+              }

+          }

+        }

+

+      function initBTlist(){

+          request(btAPIpath + 'discovery_result', function (o) {

+

+              // log the json response

+              console.log(o.responseText)

+

+              // translate response into object

+              var jsonObject = eval('(' + o.responseText + ')')

+

+              jsonObjectBT = eval('(' + JSON.stringify(

+                                                jsonObject.response) + ')')

+

+              console.log("BT list refreshed")

+

+              //console.log(jsonObject.response)

+              for (var i = 0; i < jsonObjectBT.length; i++) {

+              initDevice = 'Y'

+              console.log(jsonObjectBT[i].Paired)

+              btDeviceList.append({

+                                      deviceAddress: jsonObjectBT[i].Address,

+                                      deviceName: jsonObjectBT[i].Name,

+                                      devicePairable:jsonObjectBT[i].Paired,

+                                      deviceConnect: jsonObjectBT[i].Connected,

+                                      connectAVP: jsonObjectBT[i].AVPConnected,

+                                      connectHFP: jsonObjectBT[i].HFPConnected,

+                                      textToShow: ""

+                                  })

+             }

+          })

+      }

+ }

+