navigation: geoclue: use geoclue data to get initial location

Get initial data from geoclue binding in case GPS doesn't have lock
currently. This is useful for starting within a parking garage or
underground

Change-Id: I56143d01734bbd8c1cc286950200d2b84bbb5d2c
Bug-AGL: SPEC-1068
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

3 files changed, 88 insertions, 0 deletions

diff --git a/app/api/GeoClue.qml b/app/api/GeoClue.qml
new file mode 100644
index 0000000..6c8b2f1
--- /dev/null
+++ b/app/api/GeoClue.qml
@@ -0,0 +1,82 @@
+/*
+ * 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: "geoclue"
+    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:
+                var latitude = response.latitude
+                var longitude = response.longitude
+                map.location = QtPositioning.coordinate(latitude, longitude)
+                map.center = map.location
+                break
+            case msgid.reterr:
+                root.statusString = "Bad return value, binding probably not installed"
+                break
+            case msgid.event:
+                break
+        }
+    }
+
+    onStatusChanged: {
+        switch (status) {
+            case WebSocket.Open:
+            console.debug("onStatusChanged: Open")
+            sendSocketMessage("location", 'None')
+            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))
+    }
+}
diff --git a/app/mapviewer.qml b/app/mapviewer.qml
index cada08b..079b240 100644
--- a/app/mapviewer.qml
+++ b/app/mapviewer.qml
@@ -66,6 +66,11 @@ ApplicationWindow {
         url: bindingAddress
     }
 
+    API.GeoClue {
+        id: geoclue
+        url: bindingAddress
+    }
+
     function createMap(provider)
     {
         var plugin
diff --git a/app/mapviewer.qrc b/app/mapviewer.qrc
index 4745075..b039234 100644
--- a/app/mapviewer.qrc
+++ b/app/mapviewer.qrc
@@ -2,6 +2,7 @@
     <qresource prefix="/">
         <file>mapviewer.qml</file>
 	<file>api/GPS.qml</file>
+	<file>api/GeoClue.qml</file>
         <file>map/MapComponent.qml</file>
         <file>map/Marker.qml</file>
         <file>map/PolylineItem.qml</file>