app_Settings/src/com/android/settings/fuelgauge/batterytip/tips/BatteryDefenderTip.java

/*
 * Copyright (C) 2020 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.settings.fuelgauge.batterytip.tips;

import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.os.Parcel;
import android.util.Log;

import androidx.preference.Preference;

import com.android.settings.R;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.widget.CardPreference;
import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;

import java.text.NumberFormat;

/**
 * Tip to show current battery is overheated
 */
public class BatteryDefenderTip extends BatteryTip {

    private static final String TAG = "BatteryDefenderTip";
    private boolean mExtraDefend = false;

    public BatteryDefenderTip(@StateType int state) {
        this(state, false);
    }

    public BatteryDefenderTip(@StateType int state, boolean extraDefend) {
        super(TipType.BATTERY_DEFENDER, state, true /* showDialog */);
        mExtraDefend = extraDefend;
    }

    private BatteryDefenderTip(Parcel in) {
        super(in);
    }

    @Override
    public CharSequence getTitle(Context context) {
        return context.getString(R.string.battery_tip_limited_temporarily_title);
    }

    @Override
    public CharSequence getSummary(Context context) {
        if (mExtraDefend) {
            final int extraValue = context.getResources()
                    .getInteger(R.integer.config_battery_extra_tip_value);
            final String extraPercentage = NumberFormat.getPercentInstance()
                    .format(extraValue * 0.01f);
            return context.getString(
                    R.string.battery_tip_limited_temporarily_extra_summary, extraPercentage);
        }
        return context.getString(R.string.battery_tip_limited_temporarily_summary);
    }

    @Override
    public int getIconId() {
        return R.drawable.ic_battery_status_good_24dp;
    }

    @Override
    public void updateState(BatteryTip tip) {
        mState = tip.mState;
    }

    @Override
    public void log(Context context, MetricsFeatureProvider metricsFeatureProvider) {
        metricsFeatureProvider.action(context, SettingsEnums.ACTION_BATTERY_DEFENDER_TIP,
                mState);
    }

    @Override
    public void updatePreference(Preference preference) {
        super.updatePreference(preference);
        final Context context = preference.getContext();

        CardPreference cardPreference = castToCardPreferenceSafely(preference);
        if (cardPreference == null) {
            Log.e(TAG, "cast Preference to CardPreference failed");
            return;
        }

        cardPreference.setPrimaryButtonText(
                context.getString(R.string.battery_tip_charge_to_full_button));
        cardPreference.setPrimaryButtonClickListener(
                unused -> {
                    resumeCharging(context);
                    preference.setVisible(false);
                });
        cardPreference.setPrimaryButtonVisible(isPluggedIn(context));

        cardPreference.setSecondaryButtonText(context.getString(R.string.learn_more));
        cardPreference.setSecondaryButtonClickListener(unused -> cardPreference.performClick());
        cardPreference.setSecondaryButtonVisible(true);
    }

    private CardPreference castToCardPreferenceSafely(Preference preference) {
        return preference instanceof CardPreference ? (CardPreference) preference : null;
    }

    private void resumeCharging(Context context) {
        final Intent intent =
                FeatureFactory.getFactory(context)
                        .getPowerUsageFeatureProvider(context)
                        .getResumeChargeIntent();
        if (intent != null) {
            context.sendBroadcast(intent);
        }

        Log.i(TAG, "send resume charging broadcast intent=" + intent);
    }

    private boolean isPluggedIn(Context context) {
        final Intent batteryIntent =
                context.registerReceiver(
                        /* receiver= */ null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
        return batteryIntent != null
                && batteryIntent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0;
    }

    public static final Creator CREATOR = new Creator() {
        public BatteryTip createFromParcel(Parcel in) {
            return new BatteryDefenderTip(in);
        }

        public BatteryTip[] newArray(int size) {
            return new BatteryDefenderTip[size];
        }
    };

}