SynchronizedCaptureSessionStateCallbacks.java
/*
* Copyright 2020 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.camera2.internal;
import android.hardware.camera2.CameraCaptureSession;
import android.os.Build;
import android.view.Surface;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
final class SynchronizedCaptureSessionStateCallbacks extends
SynchronizedCaptureSession.StateCallback {
private final List<SynchronizedCaptureSession.StateCallback> mCallbacks = new ArrayList<>();
/**
* Returns a session state callback which calls a list of other callbacks.
*/
@NonNull
static SynchronizedCaptureSession.StateCallback createComboCallback(
@NonNull SynchronizedCaptureSession.StateCallback... callbacks) {
return new SynchronizedCaptureSessionStateCallbacks(Arrays.asList(callbacks));
}
SynchronizedCaptureSessionStateCallbacks(
@NonNull List<SynchronizedCaptureSession.StateCallback> callbacks) {
mCallbacks.addAll(callbacks);
}
@Override
@RequiresApi(api = Build.VERSION_CODES.M)
public void onSurfacePrepared(@NonNull SynchronizedCaptureSession session,
@NonNull Surface surface) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onSurfacePrepared(session, surface);
}
}
@Override
public void onReady(@NonNull SynchronizedCaptureSession session) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onReady(session);
}
}
@Override
public void onActive(@NonNull SynchronizedCaptureSession session) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onActive(session);
}
}
@Override
@RequiresApi(api = Build.VERSION_CODES.O)
public void onCaptureQueueEmpty(@NonNull SynchronizedCaptureSession session) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onCaptureQueueEmpty(session);
}
}
@Override
public void onConfigured(@NonNull SynchronizedCaptureSession session) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onConfigured(session);
}
}
@Override
public void onConfigureFailed(@NonNull SynchronizedCaptureSession session) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onConfigureFailed(session);
}
}
@Override
public void onClosed(@NonNull SynchronizedCaptureSession session) {
for (SynchronizedCaptureSession.StateCallback callback : mCallbacks) {
callback.onClosed(session);
}
}
static class Adapter extends SynchronizedCaptureSession.StateCallback {
@NonNull
private final CameraCaptureSession.StateCallback mCameraCaptureSessionStateCallback;
Adapter(@NonNull CameraCaptureSession.StateCallback cameraCaptureSessionStateCallback) {
mCameraCaptureSessionStateCallback = cameraCaptureSessionStateCallback;
}
Adapter(@NonNull List<CameraCaptureSession.StateCallback> callbackList) {
this(CameraCaptureSessionStateCallbacks.createComboCallback(callbackList));
}
@Override
@RequiresApi(api = Build.VERSION_CODES.M)
public void onSurfacePrepared(@NonNull SynchronizedCaptureSession session,
@NonNull Surface surface) {
mCameraCaptureSessionStateCallback.onSurfacePrepared(
session.toCameraCaptureSessionCompat().toCameraCaptureSession(), surface);
}
@Override
public void onReady(@NonNull SynchronizedCaptureSession session) {
mCameraCaptureSessionStateCallback.onReady(
session.toCameraCaptureSessionCompat().toCameraCaptureSession());
}
@Override
public void onActive(@NonNull SynchronizedCaptureSession session) {
mCameraCaptureSessionStateCallback.onActive(
session.toCameraCaptureSessionCompat().toCameraCaptureSession());
}
@Override
@RequiresApi(api = Build.VERSION_CODES.O)
public void onCaptureQueueEmpty(@NonNull SynchronizedCaptureSession session) {
mCameraCaptureSessionStateCallback.onCaptureQueueEmpty(
session.toCameraCaptureSessionCompat().toCameraCaptureSession());
}
@Override
public void onConfigured(@NonNull SynchronizedCaptureSession session) {
mCameraCaptureSessionStateCallback.onConfigured(
session.toCameraCaptureSessionCompat().toCameraCaptureSession());
}
@Override
public void onConfigureFailed(@NonNull SynchronizedCaptureSession session) {
mCameraCaptureSessionStateCallback.onConfigureFailed(
session.toCameraCaptureSessionCompat().toCameraCaptureSession());
}
@Override
public void onClosed(@NonNull SynchronizedCaptureSession session) {
mCameraCaptureSessionStateCallback.onClosed(
session.toCameraCaptureSessionCompat().toCameraCaptureSession());
}
}
}