/*
 * Copyright 2024 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.window.TaskConstants
import com.android.wm.shell.dagger.WMSingleton
import javax.inject.Inject

/** Component responsible for the actual creation of the Letterbox surfaces. */
@WMSingleton
class LetterboxSurfaceBuilder
@Inject
constructor(private val letterboxConfiguration: LetterboxConfiguration) {

    fun createSurface(
        tx: SurfaceControl.Transaction,
        parentLeash: SurfaceControl,
        surfaceName: String,
        callSite: String,
        surfaceBuilder: SurfaceControl.Builder = SurfaceControl.Builder(),
    ) =
        surfaceBuilder
            .setName(surfaceName)
            .setHidden(true)
            .setColorLayer()
            .setParent(parentLeash)
            .setCallsite(callSite)
            .build()
            .apply {
                tx.setLayer(this, TaskConstants.TASK_CHILD_SHELL_LAYER_LETTERBOX_BACKGROUND)
                    .setColorSpaceAgnostic(this, true)
                    .setColor(this, letterboxConfiguration.getBackgroundColorRgbArray())
            }
}