From 090c9e6d2b6993a83a93ad556763d227885402cf Mon Sep 17 00:00:00 2001
From: Philipp Schaefer <trashzopf@gmail.com>
Date: Wed, 3 Apr 2013 00:05:13 +0200
Subject: [PATCH] mobile: set idleTime to max, when running in background     *
 reduces background traffic

---
 mobile/AndroidManifest.xml                    |  1 +
 .../com/cradle/iitc_mobile/IITC_Mobile.java   | 30 +++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/mobile/AndroidManifest.xml b/mobile/AndroidManifest.xml
index dc28a4f8..7bfd23d2 100644
--- a/mobile/AndroidManifest.xml
+++ b/mobile/AndroidManifest.xml
@@ -10,6 +10,7 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
         android:allowBackup="true"
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
index 27d1c5e8..f7713036 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
@@ -4,12 +4,16 @@ import java.io.IOException;
 
 import com.cradle.iitc_mobile.R;
 
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.net.NetworkInfo.State;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.StrictMode;
 import android.preference.PreferenceManager;
 import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
@@ -75,6 +79,32 @@ public class IITC_Mobile extends Activity {
         }
     }
 
+    @Override
+    protected void onResume() {
+        // enough idle...let's do some work
+        iitc_view.loadUrl("javascript: window.idleTime = 0");
+        iitc_view.loadUrl("javascript: window.renderUpdateStatus()");
+        super.onResume();
+    }
+
+    @Override
+    protected void onStop() {
+        ConnectivityManager conMan = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
+
+        State mobile = conMan.getNetworkInfo(0).getState();
+        State wifi = conMan.getNetworkInfo(1).getState();
+
+        if (mobile == NetworkInfo.State.CONNECTED || mobile == NetworkInfo.State.CONNECTING) {
+            // cancel all current requests
+            iitc_view.loadUrl("javascript: window.requests.abort()");
+            // set idletime to maximum...no need for more
+            iitc_view.loadUrl("javascript: window.idleTime = 999");
+        } else if (wifi == NetworkInfo.State.CONNECTED || wifi == NetworkInfo.State.CONNECTING) {
+            iitc_view.loadUrl("javascript: window.idleTime = 999");
+        }
+        super.onStop();
+    }
+
     // save instance state to avoid reloading on orientation change
     @Override
     protected void onSaveInstanceState(Bundle outState) {