ExtensionsUseCaseConfigFactory.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.extensions.internal;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.camera.core.impl.Config;
import androidx.camera.core.impl.MutableOptionsBundle;
import androidx.camera.core.impl.OptionsBundle;
import androidx.camera.core.impl.UseCaseConfigFactory;
import androidx.camera.extensions.ExtensionMode;
/**
* Implementation of UseCaseConfigFactory to provide the default extensions configurations for use
* cases.
*/
public final class ExtensionsUseCaseConfigFactory implements UseCaseConfigFactory {
private final ImageCaptureConfigProvider mImageCaptureConfigProvider;
private final PreviewConfigProvider mPreviewConfigProvider;
public ExtensionsUseCaseConfigFactory(
@ExtensionMode.Mode int mode,
@NonNull VendorExtender vendorExtender,
@NonNull Context context) {
if (vendorExtender instanceof BasicVendorExtender) {
BasicVendorExtender basicVendorExtender = (BasicVendorExtender) vendorExtender;
mImageCaptureConfigProvider = new ImageCaptureConfigProvider(
mode, basicVendorExtender, context);
mPreviewConfigProvider = new PreviewConfigProvider(
mode, basicVendorExtender, context);
} else {
throw new UnsupportedOperationException("Advanced extender implementation not ready");
}
}
/**
* Returns the configuration for the given capture type, or <code>null</code> if the
* configuration cannot be produced.
*/
@Nullable
@Override
public Config getConfig(@NonNull CaptureType captureType) {
MutableOptionsBundle mutableOptionsBundle;
switch (captureType) {
case IMAGE_CAPTURE:
mutableOptionsBundle =
MutableOptionsBundle.from(mImageCaptureConfigProvider.getConfig());
break;
case PREVIEW:
mutableOptionsBundle =
MutableOptionsBundle.from(mPreviewConfigProvider.getConfig());
break;
default:
return null;
}
return OptionsBundle.from(mutableOptionsBundle);
}
}