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Commit 0858806f authored by Chung-yih Wang's avatar Chung-yih Wang
Browse files

Add Wifi High Perf. mode during a call. 

To prevent the wifi from entering low-power mode due to the screen off
triggered by the proximity sensor.

Change-Id: I490bc594d800bc30c256e52ef3bce08bf86bc7b1
parent 3003a017

voip/java/android/net/sip/SipAudioCallImpl.java

+28 −1
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ import android.net.sip.SipManager; 
import android.net.sip.SipProfile;

import android.net.sip.SipSessionAdapter;

import android.net.sip.SipSessionState;

import android.net.wifi.WifiManager;

import android.os.Message;

import android.os.RemoteException;

import android.os.Vibrator;
@@ -84,10 +85,13 @@ public class SipAudioCallImpl extends SipSessionAdapter 
    private ToneGenerator mRingbackTone;



    private SipProfile mPendingCallRequest;

    private WifiManager mWm;

    private WifiManager.WifiLock mWifiHighPerfLock;



    public SipAudioCallImpl(Context context, SipProfile localProfile) {

        mContext = context;

        mLocalProfile = localProfile;

        mWm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

    }



    public void setListener(SipAudioCall.Listener listener) {
@@ -422,6 +426,28 @@ public class SipAudioCallImpl extends SipSessionAdapter 
        }

    }



    private void grabWifiHighPerfLock() {

        if (mWifiHighPerfLock == null) {

            Log.v(TAG, "acquire wifi high perf lock");

            mWifiHighPerfLock = ((WifiManager)

                    mContext.getSystemService(Context.WIFI_SERVICE))

                    .createWifiLock(WifiManager.WIFI_MODE_FULL_HIGH_PERF, TAG);

            mWifiHighPerfLock.acquire();

        }

    }



    private void releaseWifiHighPerfLock() {

        if (mWifiHighPerfLock != null) {

            Log.v(TAG, "release wifi high perf lock");

            mWifiHighPerfLock.release();

            mWifiHighPerfLock = null;

        }

    }



    private boolean isWifiOn() {

        return (mWm.getConnectionInfo().getBSSID() == null) ? false : true;

    }



    private SessionDescription createContinueSessionDescription() {

        return createSdpBuilder(true, mCodec).build();

    }
@@ -556,7 +582,7 @@ public class SipAudioCallImpl extends SipSessionAdapter 


    private void startCall(SdpSessionDescription peerSd) {

        stopCall(DONT_RELEASE_SOCKET);



        if (isWifiOn()) grabWifiHighPerfLock();

        mPeerSd = peerSd;

        String peerMediaAddress = peerSd.getPeerMediaAddress(AUDIO);

        // TODO: handle multiple media fields
@@ -623,6 +649,7 @@ public class SipAudioCallImpl extends SipSessionAdapter 


    private void stopCall(boolean releaseSocket) {

        Log.d(TAG, "stop audiocall");

        releaseWifiHighPerfLock();

        if (mAudioStream != null) {

            mAudioStream.join(null);