| /* |
| * 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 androidx.window.extensions.embedding.SplitInfo as OEMSplitInfo |
| import android.app.Activity |
| import android.content.Context |
| import android.util.Log |
| import androidx.window.core.ConsumerAdapter |
| import androidx.window.embedding.EmbeddingInterfaceCompat.EmbeddingCallbackInterface |
| import androidx.window.extensions.WindowExtensionsProvider |
| import androidx.window.extensions.embedding.ActivityEmbeddingComponent |
| import java.lang.reflect.Proxy |
| |
| /** |
| * Adapter implementation for different historical versions of activity embedding OEM interface in |
| * [ActivityEmbeddingComponent]. Only supports the single current version in this implementation. |
| */ |
| internal class EmbeddingCompat constructor( |
| private val embeddingExtension: ActivityEmbeddingComponent, |
| private val adapter: EmbeddingAdapter, |
| private val consumerAdapter: ConsumerAdapter, |
| private val applicationContext: Context |
| ) : EmbeddingInterfaceCompat { |
| |
| override fun setRules(rules: Set<EmbeddingRule>) { |
| val r = adapter.translate(applicationContext, rules) |
| embeddingExtension.setEmbeddingRules(r) |
| } |
| |
| override fun setEmbeddingCallback(embeddingCallback: EmbeddingCallbackInterface) { |
| consumerAdapter.addConsumer( |
| embeddingExtension, |
| List::class, |
| "setSplitInfoCallback" |
| ) { values -> |
| val splitInfoList = values.filterIsInstance<OEMSplitInfo>() |
| embeddingCallback.onSplitInfoChanged(adapter.translate(splitInfoList)) |
| } |
| } |
| |
| override fun isActivityEmbedded(activity: Activity): Boolean { |
| return embeddingExtension.isActivityEmbedded(activity) |
| } |
| |
| companion object { |
| const val DEBUG = true |
| private const val TAG = "EmbeddingCompat" |
| |
| 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().activityEmbeddingComponent |
| ?: Proxy.newProxyInstance( |
| EmbeddingCompat::class.java.classLoader, |
| arrayOf(ActivityEmbeddingComponent::class.java) |
| ) { _, _, _ -> } as ActivityEmbeddingComponent |
| } else { |
| Proxy.newProxyInstance( |
| EmbeddingCompat::class.java.classLoader, |
| arrayOf(ActivityEmbeddingComponent::class.java) |
| ) { _, _, _ -> } as ActivityEmbeddingComponent |
| } |
| } |
| } |
| } |