Mercurial > 510Connectbot
view src/com/five_ten_sg/connectbot/service/ConnectivityReceiver.java @ 405:d3c5480e8441
fix broken fillRegenerationBuffer/fillScreenArray attempt to handle missing attributes; fix setfield outside screen boundaries
author | Carl Byington <carl@five-ten-sg.com> |
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date | Fri, 24 Oct 2014 14:19:06 -0700 |
parents | 0ce5cc452d02 |
children |
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/** * */ package com.five_ten_sg.connectbot.service; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.NetworkInfo.State; import android.net.wifi.WifiManager; import android.net.wifi.WifiManager.WifiLock; import android.util.Log; /** * @author kroot * */ public class ConnectivityReceiver extends BroadcastReceiver { private static final String TAG = "ConnectBot.ConnectivityManager"; private boolean mIsConnected = false; final private TerminalManager mTerminalManager; final private WifiLock mWifiLock; private int mNetworkRef = 0; private boolean mLockingWifi; private Object[] mLock = new Object[0]; public ConnectivityReceiver(TerminalManager manager, boolean lockingWifi) { mTerminalManager = manager; final ConnectivityManager cm = (ConnectivityManager) manager.getSystemService(Context.CONNECTIVITY_SERVICE); final WifiManager wm = (WifiManager) manager.getSystemService(Context.WIFI_SERVICE); mWifiLock = wm.createWifiLock(TAG); final NetworkInfo info = cm.getActiveNetworkInfo(); if (info != null) { mIsConnected = (info.getState() == State.CONNECTED); } mLockingWifi = lockingWifi; final IntentFilter filter = new IntentFilter(); filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); manager.registerReceiver(this, filter); } /* (non-Javadoc) * @see android.content.BroadcastReceiver#onReceive(android.content.Context, android.content.Intent) */ @Override public void onReceive(Context context, Intent intent) { final String action = intent.getAction(); if (!action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) { Log.w(TAG, "onReceived() called: " + intent); return; } boolean noConnectivity = intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false); boolean isFailover = intent.getBooleanExtra(ConnectivityManager.EXTRA_IS_FAILOVER, false); Log.d(TAG, "onReceived() called; noConnectivity? " + noConnectivity + "; isFailover? " + isFailover); if (noConnectivity && !isFailover && mIsConnected) { mIsConnected = false; mTerminalManager.onConnectivityLost(); } else if (!mIsConnected) { NetworkInfo info = (NetworkInfo) intent.getExtras() .get(ConnectivityManager.EXTRA_NETWORK_INFO); if (mIsConnected = (info.getState() == State.CONNECTED)) { mTerminalManager.onConnectivityRestored(); } } } /** * */ public void cleanup() { if (mWifiLock.isHeld()) mWifiLock.release(); mTerminalManager.unregisterReceiver(this); } /** * Increase the number of things using the network. Acquire a Wi-Fi lock * if necessary. */ public void incRef() { synchronized (mLock) { mNetworkRef += 1; acquireWifiLockIfNecessaryLocked(); } } /** * Decrease the number of things using the network. Release the Wi-Fi lock * if necessary. */ public void decRef() { synchronized (mLock) { mNetworkRef -= 1; releaseWifiLockIfNecessaryLocked(); } } /** * @param mLockingWifi */ public void setWantWifiLock(boolean lockingWifi) { synchronized (mLock) { mLockingWifi = lockingWifi; if (mLockingWifi) { acquireWifiLockIfNecessaryLocked(); } else { releaseWifiLockIfNecessaryLocked(); } } } private void acquireWifiLockIfNecessaryLocked() { if (mLockingWifi && mNetworkRef > 0 && !mWifiLock.isHeld()) { mWifiLock.acquire(); } } private void releaseWifiLockIfNecessaryLocked() { if (mNetworkRef == 0 && mWifiLock.isHeld()) { mWifiLock.release(); } } /** * @return whether we're connected to a network */ public boolean isConnected() { return mIsConnected; } }