re-classify bg update
[WhereAmI.git] / src / org / average / whereami / WhereAmI.java
index 0f193cd71d3a13d8047f3ee6108c165ac034e45a..5a665d1ed02346e3eae46830b3ebf9558eef60dd 100644 (file)
@@ -1,10 +1,17 @@
 package org.average.whereami;
 
 import android.app.Activity;
+import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.SystemClock;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.content.BroadcastReceiver;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.Context;
 import android.content.res.Resources;
 import android.text.format.Time;
 import android.util.Log;
@@ -15,12 +22,48 @@ import android.widget.TextView;
 
 public class WhereAmI extends Activity
 {
+    private WifiManager wifiman;
+    private Integer runningtasks = 0;
+
     private class UpdateTarget {
-        public TextView tv;
-        public Integer updater; // will be the function/object
+        private TextView tv;
+        private Integer updater; // will be the function/object
+        private BgUpdate task;
+
+        private class BgUpdate extends AsyncTask<Void, Void, String> {
+            @Override
+            protected String doInBackground(Void... params) {
+                Log.w("WhereAmI", "BgUpdate " + updater + " starting");
+                SystemClock.sleep(5000); // real job do be done here
+                Log.w("WhereAmI", "BgUpdate about to return");
+                return "5 seconds passed in " + updater;
+            }
+        
+            @Override
+            protected void onPostExecute(String str) {
+                Log.w("WhereAmI", "BgUpdate callback executing");
+                tv.setText(str);
+                runningtasks--;
+                if (runningtasks <= 0) {
+                    boolean wifion = wifiman.setWifiEnabled(false);
+                    Log.w("WhereAmI", "disabling wifi result " + wifion);
+                    Time tm = new Time();
+                    tm.setToNow();
+                    tvs.setText(R.string.lasttry);
+                    tvs.append(tm.format(" %d/%m/%Y %H:%M:%S"));
+                }
+            }
+        }
+
         public UpdateTarget(TextView tv, Integer updater) {
-           this.tv = tv;
-           this.updater = updater;
+            this.tv = tv;
+            this.updater = updater;
+            this.task = new BgUpdate();
+        }
+
+        public void launch() {
+            tv.setText(R.string.updating);
+            task.execute();
         }
     }
     private UpdateTarget[] ut;
@@ -30,32 +73,6 @@ public class WhereAmI extends Activity
     private String[] month;
     private String[] wday;
 
-    /** Called when the activity is first created. */
-    @Override
-    public void onCreate(Bundle savedInstanceState)
-    {
-        super.onCreate(savedInstanceState);
-        requestWindowFeature(Window.FEATURE_NO_TITLE);
-        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
-        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
-        setContentView(R.layout.main);
-        res = getResources();
-        month = res.getStringArray(R.array.month);
-        wday = res.getStringArray(R.array.wday);
-        tvt = (TextView)findViewById(R.id.time);
-        tvd = (TextView)findViewById(R.id.date);
-        tvs = (TextView)findViewById(R.id.timestamp);
-       ut = new UpdateTarget[] {
-            new UpdateTarget((TextView)findViewById(R.id.location),  1),
-            new UpdateTarget((TextView)findViewById(R.id.phonecall), 2)
-        };
-        Log.v("WhereAmI", "created UI, about to start update task");
-       updateClock.run();
-       updateCal.run();
-       updateInfo.run();
-        Log.v("WhereAmI", "created UI, update task created");
-    }
-
     private Handler mHandler = new Handler();
 
     private Runnable updateClock = new Runnable () {
@@ -92,34 +109,99 @@ public class WhereAmI extends Activity
 
     private Runnable updateInfo = new Runnable () {
         public void run() {
-            Log.v("updateInfo", "starting");
-            for (int i = 0; i < ut.length; i++) {
-                ut[i].tv.setText(R.string.updating);
-                new TimedUpdateTask().execute(ut[i]);
-            }
-            mHandler.postDelayed(this, 10000);
+            Log.w("WhereAmI", "updateInfo starting");
+            IntentFilter intentFilter =
+                new IntentFilter("android.net.conn.CONNECTIVITY_CHANGE");
+            registerReceiver(connChanged,intentFilter);
+            boolean wifion = wifiman.setWifiEnabled(true);
+            Log.w("WhereAmI", "enabling wifi result " + wifion);
+            mHandler.postDelayed(resetInfo, 30000);
+            mHandler.postDelayed(this, 1200000);
         }
     };
 
-    private class TimedUpdateTask extends AsyncTask<UpdateTarget, Void, String> {
-        private UpdateTarget ut;
-       @Override
-        protected String doInBackground(UpdateTarget... whereto) {
-            Log.v("TimedUpdateTask", "starting");
-            ut = whereto[0];
-            SystemClock.sleep(5000); // real job do be done here
-            Log.v("TimedUpdateTask", "about to return");
-            return "5 seconds passed";
+    private Runnable resetInfo = new Runnable () {
+        public void run() {
+            Log.w("WhereAmI", "resetInfo starting");
+            unregisterReceiver(connChanged);
+            boolean wifion = wifiman.setWifiEnabled(false);
+            Log.w("WhereAmI", "disabling wifi result " + wifion);
+            if (runningtasks > 0) {
+                Time tm = new Time();
+                tm.setToNow();
+                tvs.setText(R.string.failtry);
+                tvs.append(tm.format(" %d/%m/%Y %H:%M:%S"));
+            }
         }
-    
-       @Override
-        protected void onPostExecute(String str) {
-            Log.v("TimedUpdateTask", "callback executing");
-            ut.tv.setText(str);
-            Time tm = new Time();
-            tm.setToNow();
-            tvs.setText(R.string.lasttry);
-            tvs.append(tm.format(" %d/%m/%Y %H:%M:%S"));
+    };
+
+    private final BroadcastReceiver connChanged = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            ConnectivityManager cm = (ConnectivityManager)context.
+                           getSystemService(Context.CONNECTIVITY_SERVICE);
+            NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
+            boolean isConnected = activeNetwork != null &&
+                                  activeNetwork.isConnectedOrConnecting();
+            Log.w("WhereAmI", "Connectivity changed to " + isConnected);
+            if (isConnected) {
+                for (int i = 0; i < ut.length; i++) {
+                    runningtasks++;
+                    ut[i].launch();
+                }
+            }
         }
+    };
+
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        wifiman = (WifiManager)getSystemService(Context.WIFI_SERVICE);
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+        //getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        //getWindow().clearFlags(WindowManager.LayoutParams.
+        //                                      FLAG_FORCE_NOT_FULLSCREEN);
+        setContentView(R.layout.main);
+        res = getResources();
+        month = res.getStringArray(R.array.month);
+        wday = res.getStringArray(R.array.wday);
+        tvt = (TextView)findViewById(R.id.time);
+        tvd = (TextView)findViewById(R.id.date);
+        tvs = (TextView)findViewById(R.id.timestamp);
+       ut = new UpdateTarget[] {
+            new UpdateTarget((TextView)findViewById(R.id.location),  1),
+            new UpdateTarget((TextView)findViewById(R.id.phonecall), 2)
+        };
+        Log.w("WhereAmI", "created UI, about to start update task");
+       mHandler.post(updateClock);
+       mHandler.post(updateCal);
+       mHandler.post(updateInfo);
+        Log.w("WhereAmI", "created UI, update task created");
+    }
+
+    /** Called when put to background */
+    @Override
+    public void onPause()
+    {
+        super.onPause();
+        Log.w("WhereAmI", "calling finish");
+        finish();
+    }
+
+    /** Called when the activity is destroyed. */
+    @Override
+    public void onDestroy()
+    {
+        super.onDestroy();
+        Log.w("WhereAmI", "going down");
+       mHandler.removeCallbacks(updateClock);
+       mHandler.removeCallbacks(updateCal);
+       mHandler.removeCallbacks(updateInfo);
+        //unregisterReceiver(connChanged);
+        boolean wifion = wifiman.setWifiEnabled(false);
+        Log.w("WhereAmI", "disabling wifi result " + wifion);
     }
 }