Delete unused camera app helper

/*

 * Copyright (C) 2022 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.server.wm.flicker.helpers

import android.app.Instrumentation

import android.content.Intent

import android.content.pm.PackageManager

import android.content.pm.ResolveInfo

import android.provider.MediaStore

import com.android.server.wm.traces.common.component.matchers.ComponentNameMatcher

class CameraAppHelper

@JvmOverloads

constructor(

    instrumentation: Instrumentation,

    private val pkgManager: PackageManager = instrumentation.context.packageManager

) :

    StandardAppHelper(

        instrumentation,

        getCameraLauncherName(pkgManager),

        getCameraComponent(pkgManager)

    ) {

    override fun getOpenAppIntent(): Intent =

        pkgManager.getLaunchIntentForPackage(packageName)

            ?: error("Unable to find intent for camera")

    companion object {

        private fun getCameraIntent(): Intent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)

        private fun getResolveInfo(pkgManager: PackageManager): ResolveInfo =

            pkgManager.resolveActivity(getCameraIntent(), PackageManager.MATCH_DEFAULT_ONLY)

                ?: error("unable to resolve camera activity")

        private fun getCameraComponent(pkgManager: PackageManager): ComponentNameMatcher =

            ComponentNameMatcher(

                getResolveInfo(pkgManager).activityInfo.packageName,

                className = ""

            )

        private fun getCameraLauncherName(pkgManager: PackageManager): String =

            getResolveInfo(pkgManager).loadLabel(pkgManager).toString()

    }

}