Remove unused CarrierLabel.

/*

 * Copyright (C) 2006 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.systemui.statusbar.phone;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.text.TextUtils;

import android.util.AttributeSet;

import android.util.Log;

import android.widget.TextView;

import com.android.internal.telephony.TelephonyIntents;

/**

 * This widget display an analogic clock with two hands for hours and

 * minutes.

 */

public class CarrierLabel extends TextView {

    private boolean mAttached;

    public CarrierLabel(Context context) {

        this(context, null);

    }

    public CarrierLabel(Context context, AttributeSet attrs) {

        this(context, attrs, 0);

    }

    public CarrierLabel(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

        updateNetworkName(false, null, false, null);

    }

    @Override

    protected void onAttachedToWindow() {

        super.onAttachedToWindow();

        if (!mAttached) {

            mAttached = true;

            IntentFilter filter = new IntentFilter();

            filter.addAction(TelephonyIntents.SPN_STRINGS_UPDATED_ACTION);

            getContext().registerReceiver(mIntentReceiver, filter, null, getHandler());

        }

    }

    @Override

    protected void onDetachedFromWindow() {

        super.onDetachedFromWindow();

        if (mAttached) {

            getContext().unregisterReceiver(mIntentReceiver);

            mAttached = false;

        }

    }

    private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            String action = intent.getAction();

            if (TelephonyIntents.SPN_STRINGS_UPDATED_ACTION.equals(action)) {

                updateNetworkName(intent.getBooleanExtra(TelephonyIntents.EXTRA_SHOW_SPN, false),

                        intent.getStringExtra(TelephonyIntents.EXTRA_SPN),

                        intent.getBooleanExtra(TelephonyIntents.EXTRA_SHOW_PLMN, false),

                        intent.getStringExtra(TelephonyIntents.EXTRA_PLMN));

            }

        }

    };

    void updateNetworkName(boolean showSpn, String spn, boolean showPlmn, String plmn) {

        if (false) {

            Log.d("CarrierLabel", "updateNetworkName showSpn=" + showSpn + " spn=" + spn

                    + " showPlmn=" + showPlmn + " plmn=" + plmn);

        }

        final String str;

        // match logic in KeyguardStatusViewManager

        final boolean plmnValid = showPlmn && !TextUtils.isEmpty(plmn);

        final boolean spnValid = showSpn && !TextUtils.isEmpty(spn);

        if (plmnValid && spnValid) {

            str = plmn + "|" + spn;

        } else if (plmnValid) {

            str = plmn;

        } else if (spnValid) {

            str = spn;

        } else {

            str = "";

        }

        setText(str);

    }

}