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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.multidatasetservice.model
import android.service.autofill.Dataset
import android.util.Log
import android.view.View
import android.view.autofill.AutofillId
import android.view.autofill.AutofillValue
import com.example.android.autofillframework.CommonUtil.TAG
import com.example.android.autofillframework.multidatasetservice.AutofillFieldMetadataCollection
import com.google.gson.annotations.Expose
import java.util.HashMap
/**
* FilledAutofillFieldCollection is the model that represents all of the form data on a client app's page, plus the
* dataset name associated with it.
*/
class FilledAutofillFieldCollection constructor(@Expose var datasetName: String? = null,
@Expose private val hintMap: HashMap<String, FilledAutofillField> = HashMap<String, FilledAutofillField>()) {
/**
* Sets values for a list of autofillHints.
*/
fun add(autofillField: FilledAutofillField) {
autofillField.autofillHints.forEach { autofillHint ->
hintMap[autofillHint] = autofillField
}
}
/**
* Populates a [Dataset.Builder] with appropriate values for each [AutofillId]
* in a `AutofillFieldMetadataCollection`. In other words, it builds an Autofill dataset
* by applying saved values (from this `FilledAutofillFieldCollection`) to Views specified
* in a `AutofillFieldMetadataCollection`, which represents the current page the user is
* on.
*/
fun applyToFields(autofillFieldMetadataCollection: AutofillFieldMetadataCollection,
datasetBuilder: Dataset.Builder): Boolean {
var setValueAtLeastOnce = false
for (hint in autofillFieldMetadataCollection.allAutofillHints) {
val autofillFields = autofillFieldMetadataCollection.getFieldsForHint(hint) ?: continue
for (autofillField in autofillFields) {
val autofillId = autofillField.autofillId
val autofillType = autofillField.autofillType
val savedAutofillValue = hintMap[hint]
when (autofillType) {
View.AUTOFILL_TYPE_LIST -> {
savedAutofillValue?.textValue?.let(autofillField::getAutofillOptionIndex)?.let { index ->
datasetBuilder.setValue(autofillId, AutofillValue.forList(index))
setValueAtLeastOnce = true
}
}
View.AUTOFILL_TYPE_DATE -> {
savedAutofillValue?.dateValue?.let { date ->
datasetBuilder.setValue(autofillId, AutofillValue.forDate(date))
setValueAtLeastOnce = true
}
}
View.AUTOFILL_TYPE_TEXT -> {
savedAutofillValue?.textValue?.let { text ->
datasetBuilder.setValue(autofillId, AutofillValue.forText(text))
setValueAtLeastOnce = true
}
}
View.AUTOFILL_TYPE_TOGGLE -> {
savedAutofillValue?.toggleValue?.let { toggle ->
datasetBuilder.setValue(autofillId, AutofillValue.forToggle(toggle))
setValueAtLeastOnce = true
}
}
else -> Log.w(TAG, "Invalid autofill type - " + autofillType)
}
}
}
return setValueAtLeastOnce
}
/**
* @param autofillHints List of autofill hints, usually associated with a View or set of Views.
* @return whether any of the filled fields on the page have at least 1 autofillHint that is
* in the provided autofillHints.
*/
fun helpsWithHints(autofillHints: List<String>): Boolean {
for (autofillHint in autofillHints) {
hintMap[autofillHint]?.let { savedAutofillValue ->
if (!savedAutofillValue.isNull()) {
return true
}
}
}
return false
}
}
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