navigation: gps: add gps geolocation support

Use GPS binding to get current location for navigation

Bug-AGL: SPEC-1068
Change-Id: Ie708117499b342f86c60674c83f0222857a67bee
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/app/api/GPS.qml b/app/api/GPS.qml
new file mode 100644
index 0000000..8a2ebb9
--- /dev/null
+++ b/app/api/GPS.qml
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 The Qt Company Ltd.
+ * Copyright (C) 2017 Konsulko Group
+ *
+ * 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 QtPositioning 5.5
+import QtWebSockets 1.0
+
+WebSocket {
+    id: root
+    active: true
+    url: bindingAddress
+
+    property string statusString: "waiting..."
+    property string apiString: "gps"
+    property string payloadLength: "9999"
+
+    property bool loop_state: false
+    property bool running: false
+
+    readonly property var msgid: {
+        "call": 2,
+        "retok": 3,
+        "reterr": 4,
+        "event": 5
+    }
+
+    onTextMessageReceived: {
+        var json = JSON.parse(message)
+        //console.debug("Raw response: " + message)
+        var request = json[2].request
+        var response = json[2].response
+        //console.debug("response: " + JSON.stringify(response))
+        switch (json[0]) {
+            case msgid.call:
+                break
+            case msgid.retok:
+                break
+            case msgid.reterr:
+                root.statusString = "Bad return value, binding probably not installed"
+                break
+            case msgid.event:
+                var payload = JSON.parse(JSON.stringify(json[2]))
+                var event = payload.event
+                if (event == "gps/location") {
+                    var latitude = json[2].data.latitude
+                    var longitude = json[2].data.longitude
+                    var location = QtPositioning.coordinate(latitude, longitude)
+                    if (map.followme || !map.location) {
+                        map.center = location
+                    }
+                    map.location = location
+                }
+                break
+        }
+    }
+
+    onStatusChanged: {
+        switch (status) {
+            case WebSocket.Open:
+            console.debug("onStatusChanged: Open")
+            sendSocketMessage("subscribe", { value: "location" })
+            break
+            case WebSocket.Error:
+            root.statusString = "WebSocket error: " + root.errorString
+            break
+        }
+    }
+
+    function sendSocketMessage(verb, parameter) {
+        var requestJson = [ msgid.call, payloadLength, apiString + '/'
+        + verb, parameter ]
+        console.debug("sendSocketMessage: " + JSON.stringify(requestJson))
+        sendTextMessage(JSON.stringify(requestJson))
+    }
+}