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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
import android.content.Context
import android.service.autofill.Dataset
import android.service.autofill.FillResponse
import android.service.autofill.SaveInfo
import android.support.annotation.DrawableRes
import android.util.Log
import android.view.View
import android.widget.RemoteViews
import com.example.android.autofillframework.CommonUtil.TAG
import com.example.android.autofillframework.R
import com.example.android.autofillframework.multidatasetservice.model.FilledAutofillFieldCollection
import java.util.HashMap
/**
* This is a class containing helper methods for building Autofill Datasets and Responses.
*/
object AutofillHelper {
/**
* Wraps autofill data in a [Dataset] object which can then be sent back to the
* client View.
*/
fun newDataset(context: Context, autofillFieldMetadata: AutofillFieldMetadataCollection,
filledAutofillFieldCollection: FilledAutofillFieldCollection,
datasetAuth: Boolean): Dataset? {
filledAutofillFieldCollection.datasetName?.let { datasetName ->
val datasetBuilder: Dataset.Builder
if (datasetAuth) {
datasetBuilder = Dataset.Builder(newRemoteViews(context.packageName, datasetName,
R.drawable.ic_lock_black_24dp))
val sender = AuthActivity.getAuthIntentSenderForDataset(context, datasetName)
datasetBuilder.setAuthentication(sender)
} else {
datasetBuilder = Dataset.Builder(newRemoteViews(context.packageName, datasetName,
R.drawable.ic_person_black_24dp))
}
val setValueAtLeastOnce = filledAutofillFieldCollection
.applyToFields(autofillFieldMetadata, datasetBuilder)
if (setValueAtLeastOnce) {
return datasetBuilder.build()
}
}
return null
}
fun newRemoteViews(packageName: String, remoteViewsText: String,
@DrawableRes drawableId: Int): RemoteViews {
val presentation = RemoteViews(packageName, R.layout.multidataset_service_list_item)
presentation.setTextViewText(R.id.text, remoteViewsText)
presentation.setImageViewResource(R.id.icon, drawableId)
return presentation
}
/**
* Wraps autofill data in a [FillResponse] object (essentially a series of Datasets) which can
* then be sent back to the client View.
*/
fun newResponse(context: Context,
datasetAuth: Boolean, autofillFieldMetadata: AutofillFieldMetadataCollection,
filledAutofillFieldCollectionMap: HashMap<String, FilledAutofillFieldCollection>?): FillResponse? {
val responseBuilder = FillResponse.Builder()
filledAutofillFieldCollectionMap?.keys?.let { datasetNames ->
for (datasetName in datasetNames) {
filledAutofillFieldCollectionMap[datasetName]?.let { clientFormData ->
val dataset = newDataset(context, autofillFieldMetadata, clientFormData, datasetAuth)
dataset?.let(responseBuilder::addDataset)
}
}
}
if (autofillFieldMetadata.saveType != 0) {
val autofillIds = autofillFieldMetadata.autofillIds
responseBuilder.setSaveInfo(SaveInfo.Builder(autofillFieldMetadata.saveType,
autofillIds.toTypedArray()).build())
return responseBuilder.build()
} else {
Log.d(TAG, "These fields are not meant to be saved by autofill.")
return null
}
}
fun isValidHint(hint: String): Boolean {
when (hint) {
View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DATE,
View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DAY,
View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_MONTH,
View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_YEAR,
View.AUTOFILL_HINT_CREDIT_CARD_NUMBER,
View.AUTOFILL_HINT_CREDIT_CARD_SECURITY_CODE,
View.AUTOFILL_HINT_EMAIL_ADDRESS,
View.AUTOFILL_HINT_PHONE,
View.AUTOFILL_HINT_NAME,
View.AUTOFILL_HINT_PASSWORD,
View.AUTOFILL_HINT_POSTAL_ADDRESS,
View.AUTOFILL_HINT_POSTAL_CODE,
View.AUTOFILL_HINT_USERNAME ->
return true
else ->
return false
}
}
}
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