CameraCaptureSessionCompatBaseImpl.java
/*
* Copyright 2019 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.compat;
import android.hardware.camera2.CameraAccessException;
import android.hardware.camera2.CameraCaptureSession;
import android.hardware.camera2.CaptureRequest;
import android.os.Handler;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.core.util.Preconditions;
import java.util.List;
import java.util.concurrent.Executor;
@RequiresApi(21)
class CameraCaptureSessionCompatBaseImpl implements
CameraCaptureSessionCompat.CameraCaptureSessionCompatImpl {
final CameraCaptureSession mCameraCaptureSession;
final Object mObject;
CameraCaptureSessionCompatBaseImpl(@NonNull CameraCaptureSession captureSession,
@Nullable Object implParams) {
mCameraCaptureSession = Preconditions.checkNotNull(captureSession);
mObject = implParams;
}
static CameraCaptureSessionCompat.CameraCaptureSessionCompatImpl create(
@NonNull CameraCaptureSession captureSession,
@NonNull Handler compatHandler) {
return new CameraCaptureSessionCompatBaseImpl(captureSession,
new CameraCaptureSessionCompatBaseImpl.CameraCaptureSessionCompatParamsApi21(
compatHandler));
}
@Override
public int captureBurstRequests(@NonNull List<CaptureRequest> requests,
@NonNull Executor executor,
@NonNull CameraCaptureSession.CaptureCallback listener) throws CameraAccessException {
// Wrap the executor in the callback
CameraCaptureSession.CaptureCallback cb =
new CameraCaptureSessionCompat.CaptureCallbackExecutorWrapper(executor, listener);
CameraCaptureSessionCompatParamsApi21 params =
(CameraCaptureSessionCompatParamsApi21) mObject;
return mCameraCaptureSession.captureBurst(requests, cb, params.mCompatHandler);
}
@Override
public int captureSingleRequest(@NonNull CaptureRequest request, @NonNull Executor executor,
@NonNull CameraCaptureSession.CaptureCallback listener) throws CameraAccessException {
// Wrap the executor in the callback
CameraCaptureSession.CaptureCallback cb =
new CameraCaptureSessionCompat.CaptureCallbackExecutorWrapper(executor, listener);
CameraCaptureSessionCompatParamsApi21 params =
(CameraCaptureSessionCompatParamsApi21) mObject;
return mCameraCaptureSession.capture(request, cb, params.mCompatHandler);
}
@Override
public int setRepeatingBurstRequests(@NonNull List<CaptureRequest> requests,
@NonNull Executor executor,
@NonNull CameraCaptureSession.CaptureCallback listener) throws CameraAccessException {
// Wrap the executor in the callback
CameraCaptureSession.CaptureCallback cb =
new CameraCaptureSessionCompat.CaptureCallbackExecutorWrapper(executor, listener);
CameraCaptureSessionCompatParamsApi21 params =
(CameraCaptureSessionCompatParamsApi21) mObject;
return mCameraCaptureSession.setRepeatingBurst(requests, cb, params.mCompatHandler);
}
@Override
public int setSingleRepeatingRequest(@NonNull CaptureRequest request,
@NonNull Executor executor,
@NonNull CameraCaptureSession.CaptureCallback listener) throws CameraAccessException {
// Wrap the executor in the callback
CameraCaptureSession.CaptureCallback cb =
new CameraCaptureSessionCompat.CaptureCallbackExecutorWrapper(executor, listener);
CameraCaptureSessionCompatParamsApi21 params =
(CameraCaptureSessionCompatParamsApi21) mObject;
return mCameraCaptureSession.setRepeatingRequest(
request, cb, params.mCompatHandler);
}
@NonNull
@Override
public CameraCaptureSession unwrap() {
return mCameraCaptureSession;
}
private static class CameraCaptureSessionCompatParamsApi21 {
final Handler mCompatHandler;
CameraCaptureSessionCompatParamsApi21(@NonNull Handler compatHandler) {
mCompatHandler = compatHandler;
}
}
}