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/*
* Copyright (C) 2017 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.example.android.autofillframework.app
import android.content.Context
import android.util.AttributeSet
import android.view.LayoutInflater
import android.view.View
import android.view.autofill.AutofillManager
import android.view.autofill.AutofillValue
import android.widget.AdapterView
import android.widget.ArrayAdapter
import android.widget.FrameLayout
import com.example.android.autofillframework.R
import kotlinx.android.synthetic.main.cc_exp_date.view.ccExpMonth
import kotlinx.android.synthetic.main.cc_exp_date.view.ccExpYear
import java.util.Calendar
class CreditCardExpirationDateView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0,
defStyleRes: Int = 0
) : FrameLayout(context, attrs, defStyleAttr, defStyleRes) {
private val startYear = Calendar.getInstance().get(Calendar.YEAR)
init {
LayoutInflater.from(context).inflate(R.layout.cc_exp_date, this)
importantForAutofill = View.IMPORTANT_FOR_AUTOFILL_YES_EXCLUDE_DESCENDANTS
val spinnerOnItemSelectedListener = object : AdapterView.OnItemSelectedListener {
override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int,
id: Long) {
context.getSystemService(AutofillManager::class.java)
.notifyValueChanged(this@CreditCardExpirationDateView)
}
override fun onNothingSelected(parent: AdapterView<*>) = Unit
}
val years = arrayOfNulls<String>(CC_EXP_YEARS_COUNT)
for (i in 0 until years.size) {
years[i] = Integer.toString(startYear + i)
}
with(ccExpMonth) {
adapter = ArrayAdapter.createFromResource(context, R.array.month_array,
android.R.layout.simple_spinner_item).apply {
setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
}
onItemSelectedListener = spinnerOnItemSelectedListener
}
with(ccExpYear) {
adapter = ArrayAdapter<String>(context,
android.R.layout.simple_spinner_item, years)
onItemSelectedListener = spinnerOnItemSelectedListener
}
}
override fun getAutofillValue() =
AutofillValue.forDate(Calendar.getInstance().apply {
// clear() sets hours, minutes, seconds, and millis to 0 to ensure that after
// autofill() is called, getAutofillValue() == the value that was originally passed
// into autofill(). Without clear(), the view will not turn yellow when updated.
clear()
val year = Integer.parseInt(ccExpYear.selectedItem.toString())
val month = ccExpMonth.selectedItemPosition
set(Calendar.YEAR, year)
set(Calendar.MONTH, month)
}.timeInMillis)
override fun autofill(value: AutofillValue) {
if (!value.isDate) {
return
}
val calendar = Calendar.getInstance().apply {
timeInMillis = value.dateValue
}
val month = calendar.get(Calendar.MONTH)
val year = calendar.get(Calendar.YEAR)
ccExpMonth.setSelection(month)
ccExpYear.setSelection(year - startYear)
}
override fun getAutofillType() = View.AUTOFILL_TYPE_DATE
fun reset() {
ccExpMonth.setSelection(0)
ccExpYear.setSelection(0)
}
companion object {
private const val CC_EXP_YEARS_COUNT = 5
}
}
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