[D2D] Modify to not launch d2d app repeatedly.

When the remote client launching the d2d app in device home,
change to connect only the websocket if the d2d app status
is visible.

Change-Id: Iab323ee86cc3a979521daf6c3a6b7485904233a6
Signed-off-by: Aron kim <aron.kim@samsung.com>

diff --git a/d2d_app/service/app_proxy.js b/d2d_app/service/app_proxy.js
index 7255840..3db4507 100644 (file)
--- a/d2d_app/service/app_proxy.js
+++ b/d2d_app/service/app_proxy.js
@@ -2,6 +2,7 @@ var express = require('express');
 const AppRouter = require('./app_router');
 var appRouters = [];
 var path = null;
+var currentD2DAppId = null;
 
 module.exports = function(app, port) {
     var appProxy = express.Router();
@@ -27,16 +28,34 @@ module.exports = function(app, port) {
             });
         }
 
-        var appControl = new tizen.ApplicationControl(
-            "http://tizen.org/appcontrol/operation/default", null, null, null,
-            [new tizen.ApplicationControlData(
-                "http://tizen.org/appcontrol/data/launch_port", [port]
-            )]
-        );
+        function onRunningAppsContext(contexts) {
+            var isRunning = false;
+            for (var i = 0; i < contexts.length; i++) {
+                if (appId === contexts[i].appId) {
+                    isRunning = true;
+                    break;
+                }
+            }
+
+            if (isRunning && currentD2DAppId === appId) {
+                res.send({port:port});
+            } else {
+                var appControl = new tizen.ApplicationControl(
+                    "http://tizen.org/appcontrol/operation/default", null, null, null,
+                    [new tizen.ApplicationControlData(
+                        "http://tizen.org/appcontrol/data/launch_port", [port]
+                    )]
+                );
+
+                tizen.application.launchAppControl(appControl, appId, function() {
+                    res.send({port:port});
+                });
+
+                currentD2DAppId = appId;
+            }
+        }
 
-        tizen.application.launchAppControl(appControl, appId, function() {
-            res.send({port:port});
-        });
+        tizen.application.getAppsContext(onRunningAppsContext);
     });
 
     appProxy.get('/', (req, res) => {