/* * Copyright 2025 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 com.android.wm.shell.compatui.letterbox import android.view.SurfaceControl import android.view.SurfaceControl.Transaction import android.window.TaskConstants import com.android.wm.shell.common.suppliers.SurfaceBuilderSupplier import com.android.wm.shell.dagger.WMSingleton import javax.inject.Inject /** Component responsible for the actual creation of the Letterbox surfaces. */ @WMSingleton class LetterboxInputSurfaceBuilder @Inject constructor(private val surfaceBuilderSupplier: SurfaceBuilderSupplier) { fun createInputSurface( tx: Transaction, parentLeash: SurfaceControl, surfaceName: String, callSite: String, ) = surfaceBuilderSupplier .get() .setName(surfaceName) .setContainerLayer() .setParent(parentLeash) .setCallsite(callSite) .build() .apply { tx.setLayer(this, TaskConstants.TASK_CHILD_SHELL_LAYER_LETTERBOX_SPY) .setTrustedOverlay(this, true) .show(this) } }