| /* |
| * 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.media2.common; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.core.util.Preconditions; |
| import androidx.versionedparcelable.ParcelUtils; |
| |
| /** |
| * Structure for media item descriptor for {@link DataSourceCallback}. |
| * <p> |
| * Users should use {@link Builder} to create {@link CallbackMediaItem}. |
| * <p> |
| * You cannot directly send this object across the process through {@link ParcelUtils}. See |
| * {@link MediaItem} for detail. |
| * |
| * @see MediaItem |
| */ |
| public class CallbackMediaItem extends MediaItem { |
| private final DataSourceCallback mDataSourceCallback; |
| |
| CallbackMediaItem(Builder builder) { |
| super(builder); |
| mDataSourceCallback = builder.mDataSourceCallback; |
| } |
| |
| /** |
| * Return the DataSourceCallback that implements the callback for the data source of this media |
| * item. |
| * |
| * @return the DataSourceCallback that implements the callback for the data source of this |
| * media item, |
| */ |
| public @NonNull DataSourceCallback getDataSourceCallback() { |
| return mDataSourceCallback; |
| } |
| |
| /** |
| * This Builder class simplifies the creation of a {@link CallbackMediaItem} object. |
| */ |
| public static final class Builder extends MediaItem.Builder { |
| |
| @SuppressWarnings("WeakerAccess") /* synthetic access */ |
| DataSourceCallback mDataSourceCallback; |
| |
| /** |
| * Creates a new Builder object. |
| * @param dsc2 the DataSourceCallback for the media you want to play |
| */ |
| public Builder(@NonNull DataSourceCallback dsc2) { |
| Preconditions.checkNotNull(dsc2); |
| mDataSourceCallback = dsc2; |
| } |
| |
| // Override just to change return type. |
| @Override |
| @NonNull |
| public Builder setMetadata(@Nullable MediaMetadata metadata) { |
| return (Builder) super.setMetadata(metadata); |
| } |
| |
| // Override just to change return type. |
| @Override |
| @NonNull |
| public Builder setStartPosition(long position) { |
| return (Builder) super.setStartPosition(position); |
| } |
| |
| // Override just to change return type. |
| @Override |
| @NonNull |
| public Builder setEndPosition(long position) { |
| return (Builder) super.setEndPosition(position); |
| } |
| |
| /** |
| * @return A new CallbackMediaItem with values supplied by the Builder. |
| */ |
| @Override |
| @NonNull |
| public CallbackMediaItem build() { |
| return new CallbackMediaItem(this); |
| } |
| } |
| } |