| /* |
| * 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.extensions; |
| |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.camera.core.CameraSelector; |
| import androidx.camera.core.ImageCapture; |
| import androidx.camera.extensions.ExtensionsManager.EffectMode; |
| import androidx.camera.extensions.impl.NightImageCaptureExtenderImpl; |
| |
| /** |
| * Load the OEM extension implementation for night effect type. |
| */ |
| public class NightImageCaptureExtender extends ImageCaptureExtender { |
| private static final String TAG = "NightICExtender"; |
| |
| /** |
| * Create a new instance of the night extender. |
| * |
| * @param builder Builder that will be used to create the configurations for the |
| * {@link androidx.camera.core.ImageCapture}. |
| */ |
| public static NightImageCaptureExtender create(ImageCapture.Builder builder) { |
| if (ExtensionVersion.isExtensionVersionSupported()) { |
| try { |
| return new VendorNightImageCaptureExtender(builder); |
| } catch (NoClassDefFoundError e) { |
| Log.d(TAG, "No night image capture extender found. Falling back to default."); |
| } |
| } |
| |
| return new DefaultNightImageCaptureExtender(); |
| } |
| |
| /** Empty implementation of night extender which does nothing. */ |
| static class DefaultNightImageCaptureExtender extends NightImageCaptureExtender { |
| DefaultNightImageCaptureExtender() { |
| } |
| |
| @Override |
| public boolean isExtensionAvailable(@NonNull CameraSelector selector) { |
| return false; |
| } |
| |
| @Override |
| public void enableExtension(@NonNull CameraSelector selector) { |
| } |
| } |
| |
| /** Night extender that calls into the vendor provided implementation. */ |
| static class VendorNightImageCaptureExtender extends NightImageCaptureExtender { |
| private final NightImageCaptureExtenderImpl mImpl; |
| |
| VendorNightImageCaptureExtender(ImageCapture.Builder builder) { |
| mImpl = new NightImageCaptureExtenderImpl(); |
| init(builder, mImpl, EffectMode.NIGHT); |
| } |
| } |
| |
| private NightImageCaptureExtender() {} |
| } |