/*
* Copyright 2023 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.protolayout.expression.pipeline;
import androidx.annotation.NonNull;
import androidx.wear.protolayout.expression.PlatformDataValues;
import androidx.wear.protolayout.expression.PlatformDataKey;
import java.util.Set;
/** Callback for receiving a PlatformDataProvider's new data. */
public interface PlatformDataReceiver {
/**
* Called by the registered {@link PlatformDataProvider} to send new values.
*
* @param newData The new values for the registered keys.
*/
void onData(@NonNull PlatformDataValues newData);
/**
* Called by the registered {@link PlatformDataProvider} to notify that the current data has
* been invalidated. Typically, this invalidated status is transient and subsequent onData call
* can be followed to sent new values.
*
* @param keys The set of keys with current data been invalidated.
*/
void onInvalidated(@NonNull Set<PlatformDataKey<?>> keys);
}