| /* |
| * Copyright 2021 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.window.embedding |
| |
| import android.util.Log |
| import androidx.window.core.ExperimentalWindowApi |
| import androidx.window.embedding.EmbeddingInterfaceCompat.EmbeddingCallbackInterface |
| import androidx.window.extensions.WindowExtensionsProvider |
| import androidx.window.extensions.embedding.ActivityEmbeddingComponent |
| import androidx.window.extensions.embedding.SplitInfo |
| import java.util.function.Consumer |
| import androidx.window.extensions.embedding.EmbeddingRule as ExtensionsEmbeddingRule |
| |
| /** |
| * Adapter implementation for different historical versions of activity embedding OEM interface in |
| * [ActivityEmbeddingComponent]. Only supports the single current version in this implementation. |
| */ |
| @ExperimentalWindowApi |
| internal class EmbeddingCompat constructor( |
| private val embeddingExtension: ActivityEmbeddingComponent, |
| private val adapter: EmbeddingAdapter |
| ) : EmbeddingInterfaceCompat { |
| constructor() : this( |
| embeddingComponent(), |
| EmbeddingAdapter() |
| ) |
| |
| override fun setSplitRules(rules: Set<EmbeddingRule>) { |
| embeddingExtension.setEmbeddingRules(adapter.translate(rules)) |
| } |
| |
| override fun setEmbeddingCallback(embeddingCallback: EmbeddingCallbackInterface) { |
| try { |
| embeddingExtension.setSplitInfoCallback { splitInfoList -> |
| embeddingCallback.onSplitInfoChanged( |
| adapter.translate(splitInfoList) |
| ) |
| } |
| } catch (e: NoSuchMethodError) { |
| // TODO(b/203472665): Remove the try-catch wrapper after the issue is resolved |
| } |
| } |
| |
| companion object { |
| const val DEBUG = true |
| private const val TAG = "EmbeddingCompat" |
| |
| fun getExtensionApiLevel(): Int? { |
| return try { |
| WindowExtensionsProvider.getWindowExtensions().vendorApiLevel |
| } catch (e: NoClassDefFoundError) { |
| if (DEBUG) { |
| Log.d(TAG, "Embedding extension version not found") |
| } |
| null |
| } catch (e: UnsupportedOperationException) { |
| if (DEBUG) { |
| Log.d(TAG, "Stub Extension") |
| } |
| null |
| } |
| } |
| |
| fun isEmbeddingAvailable(): Boolean { |
| return try { |
| WindowExtensionsProvider.getWindowExtensions().activityEmbeddingComponent != null |
| } catch (e: NoClassDefFoundError) { |
| if (DEBUG) { |
| Log.d(TAG, "Embedding extension version not found") |
| } |
| false |
| } catch (e: UnsupportedOperationException) { |
| if (DEBUG) { |
| Log.d(TAG, "Stub Extension") |
| } |
| false |
| } |
| } |
| |
| fun embeddingComponent(): ActivityEmbeddingComponent { |
| return if (isEmbeddingAvailable()) { |
| WindowExtensionsProvider.getWindowExtensions().getActivityEmbeddingComponent() |
| ?: EmptyEmbeddingComponent() |
| } else { |
| EmptyEmbeddingComponent() |
| } |
| } |
| } |
| } |
| |
| // Empty implementation of the embedding component to use when the device doesn't provide one and |
| // avoid null checks. |
| private class EmptyEmbeddingComponent : ActivityEmbeddingComponent { |
| override fun setEmbeddingRules(splitRules: MutableSet<ExtensionsEmbeddingRule>) { |
| // empty |
| } |
| |
| override fun setSplitInfoCallback(consumer: Consumer<MutableList<SplitInfo>>) { |
| // empty |
| } |
| } |
