VendorProcessor.java
/*
* Copyright 2021 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.camera.extensions.internal;
import androidx.annotation.RequiresApi;
import androidx.camera.extensions.impl.ExtenderStateListener;
/**
* A processor that is used for invoking vendor extensions. {@link #onInit()} will be invoked
* after
* {@link androidx.camera.extensions.impl.ExtenderStateListener#onInit}. {@link #close()} is
* invoked to close the processor.
*/
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
public interface VendorProcessor {
/**
* Initialize the processor after {@link ExtenderStateListener#onInit}.
*
* <p>The subclass can start to handle the incoming images after this function is called.
*/
default void onInit() {}
/**
* De-initialize the processor before {@link ExtenderStateListener#onDeInit}.
*
* <p>The subclass will stop to handle the incoming images after this function is called.
*/
default void onDeInit() {}
/**
* Close the processor.
*/
void close();
}