/*
* Copyright 2024 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.wear.tiles.tooling
import androidx.wear.protolayout.expression.PlatformDataValues
import androidx.wear.protolayout.expression.pipeline.PlatformDataProvider
import androidx.wear.protolayout.expression.pipeline.PlatformDataReceiver
import java.util.concurrent.Executor
/** A [PlatformDataProvider] that provides [values] as static data. */
internal class StaticPlatformDataProvider(
private val values: PlatformDataValues
) : PlatformDataProvider {
private var receiver: PlatformDataReceiver? = null
override fun setReceiver(executor: Executor, receiver: PlatformDataReceiver) {
this.receiver = receiver
executor.execute { receiver.onData(values) }
}
override fun clearReceiver() {
receiver?.onInvalidated(values.all.keys)
receiver = null
}
}