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Commit 06302c22 authored by Jorim Jaggi's avatar Jorim Jaggi
Browse files

Prevent draw passes when nothing actually changes 

Bug: 19602257
Change-Id: I1d05fb8399332021b6d50470fe3dd9bb34773a81
parent be4116a3

packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java

+23 −6
Original line number Diff line number Diff line
@@ -56,10 +56,13 @@ public class SignalClusterView 
    private boolean mVpnVisible = false;

    private boolean mEthernetVisible = false;

    private int mEthernetIconId = 0;

    private int mLastEthernetIconId = -1;

    private boolean mWifiVisible = false;

    private int mWifiStrengthId = 0;

    private int mLastWifiStrengthId = -1;

    private boolean mIsAirplaneMode = false;

    private int mAirplaneIconId = 0;

    private int mLastAirplaneIconId = -1;

    private String mAirplaneContentDescription;

    private String mWifiDescription;

    private String mEthernetDescription;
@@ -275,10 +278,14 @@ public class SignalClusterView 


        if (mEthernet != null) {

            mEthernet.setImageDrawable(null);

            mEthernetDark.setImageDrawable(null);

            mLastEthernetIconId = -1;

        }



        if (mWifi != null) {

            mWifi.setImageDrawable(null);

            mWifiDark.setImageDrawable(null);

            mLastWifiStrengthId = -1;

        }



        for (PhoneState state : mPhoneStates) {
@@ -292,6 +299,7 @@ public class SignalClusterView 


        if (mAirplane != null) {

            mAirplane.setImageDrawable(null);

            mLastAirplaneIconId = -1;

        }



        apply();
@@ -310,8 +318,11 @@ public class SignalClusterView 
        if (DEBUG) Log.d(TAG, String.format("vpn: %s", mVpnVisible ? "VISIBLE" : "GONE"));



        if (mEthernetVisible) {

            if (mLastEthernetIconId != mEthernetIconId) {

                mEthernet.setImageResource(mEthernetIconId);

                mEthernetDark.setImageResource(mEthernetIconId);

                mLastEthernetIconId = mEthernetIconId;

            }

            mEthernetGroup.setContentDescription(mEthernetDescription);

            mEthernetGroup.setVisibility(View.VISIBLE);

        } else {
@@ -324,8 +335,11 @@ public class SignalClusterView 




        if (mWifiVisible) {

            if (mWifiStrengthId != mLastWifiStrengthId) {

                mWifi.setImageResource(mWifiStrengthId);

                mWifiDark.setImageResource(mWifiStrengthId);

                mLastWifiStrengthId = mWifiStrengthId;

            }

            mWifiGroup.setContentDescription(mWifiDescription);

            mWifiGroup.setVisibility(View.VISIBLE);

        } else {
@@ -349,7 +363,10 @@ public class SignalClusterView 
        }



        if (mIsAirplaneMode) {

            if (mLastAirplaneIconId != mAirplaneIconId) {

                mAirplane.setImageResource(mAirplaneIconId);

                mLastAirplaneIconId = mAirplaneIconId;

            }

            mAirplane.setContentDescription(mAirplaneContentDescription);

            mAirplane.setVisibility(View.VISIBLE);

        } else {