TopicsManagerFutures.kt
/*
* Copyright 2022 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 androidx.privacysandbox.ads.adservices.java.topics
import androidx.privacysandbox.ads.adservices.java.internal.asListenableFuture
import androidx.privacysandbox.ads.adservices.topics.TopicsManager
import androidx.privacysandbox.ads.adservices.topics.TopicsManager.Companion.obtain
import androidx.privacysandbox.ads.adservices.topics.GetTopicsRequest
import androidx.privacysandbox.ads.adservices.topics.GetTopicsResponse
import android.adservices.common.AdServicesPermissions
import android.content.Context
import androidx.annotation.DoNotInline
import androidx.annotation.RequiresPermission
import com.google.common.util.concurrent.ListenableFuture
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.async
/**
* This provides APIs for App and Ad-Sdks to get the user interest topics in a privacy
* preserving way. This class can be used by Java clients.
*/
abstract class TopicsManagerFutures internal constructor() {
/**
* Returns the topics.
*
* @param request The GetTopicsRequest for obtaining Topics.
* @return ListenableFuture to get the Topics response.
*/
@RequiresPermission(AdServicesPermissions.ACCESS_ADSERVICES_TOPICS)
abstract fun getTopicsAsync(request: GetTopicsRequest): ListenableFuture<GetTopicsResponse>
private class Api33Ext4JavaImpl(
private val mTopicsManager: TopicsManager
) : TopicsManagerFutures() {
@DoNotInline
@RequiresPermission(AdServicesPermissions.ACCESS_ADSERVICES_TOPICS)
override fun getTopicsAsync(
request: GetTopicsRequest
): ListenableFuture<GetTopicsResponse> {
return CoroutineScope(Dispatchers.Main).async {
mTopicsManager.getTopics(request)
}.asListenableFuture()
}
}
companion object {
/**
* Creates [TopicsManagerFutures].
*
* @return TopicsManagerFutures object. If the device is running an incompatible
* build, the value returned is null.
*/
@JvmStatic
fun from(context: Context): TopicsManagerFutures? {
return obtain(context)?.let { Api33Ext4JavaImpl(it) }
}
}
}