src/com/android/settings/datausage/BillingCyclePreference.kt

/*
 * Copyright (C) 2023 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.datausage

import android.app.settings.SettingsEnums
import android.content.Context
import android.content.Intent
import android.net.NetworkTemplate
import android.os.Bundle
import android.util.AttributeSet
import androidx.preference.Preference
import com.android.settings.R
import com.android.settings.core.SubSettingLauncher
import com.android.settings.datausage.lib.BillingCycleRepository
import com.android.settings.network.MobileDataEnabledListener

/**
 * Preference which displays billing cycle of subscription
 *
 * @param context Context of preference
 * @param attrs   The attributes of the XML tag that is inflating the preference
 */
class BillingCyclePreference @JvmOverloads constructor(
    context: Context,
    attrs: AttributeSet?,
    private val repository: BillingCycleRepository = BillingCycleRepository(context),
) : Preference(context, attrs), TemplatePreference {
    private lateinit var template: NetworkTemplate
    private var subId = 0

    private val listener = MobileDataEnabledListener(context) {
        updateEnabled()
    }

    override fun setTemplate(template: NetworkTemplate, subId: Int) {
        this.template = template
        this.subId = subId
        summary = null
        updateEnabled()
        intent = intent
    }

    override fun onAttached() {
        super.onAttached()
        listener.start(subId)
    }

    override fun onDetached() {
        listener.stop()
        super.onDetached()
    }

    private fun updateEnabled() {
        isEnabled = repository.isModifiable(subId)
    }

    override fun getIntent(): Intent {
        val args = Bundle().apply {
            putParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE, template)
        }
        return SubSettingLauncher(context).apply {
            setDestination(BillingCycleSettings::class.java.name)
            setArguments(args)
            setTitleRes(R.string.billing_cycle)
            setSourceMetricsCategory(SettingsEnums.PAGE_UNKNOWN)
        }.toIntent()
    }
}