SecureFlagPolicy.kt

/*
 * Copyright 2020 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.compose.ui.window

import android.view.WindowManager

/**
 * Policy on setting [WindowManager.LayoutParams.FLAG_SECURE] on a window.
 */
enum class SecureFlagPolicy {
    /**
     * Inherit [WindowManager.LayoutParams.FLAG_SECURE] from the parent window and pass it on the
     * window that is using this policy.
     */
    Inherit,

    /**
     * Forces [WindowManager.LayoutParams.FLAG_SECURE] to be set on the window that is using this
     * policy.
     */
    SecureOn,
    /**
     * No [WindowManager.LayoutParams.FLAG_SECURE] will be set on the window that is using this
     * policy.
     */
    SecureOff
}

internal fun SecureFlagPolicy.shouldApplySecureFlag(isSecureFlagSetOnParent: Boolean): Boolean {
    return when (this) {
        SecureFlagPolicy.SecureOff -> false
        SecureFlagPolicy.SecureOn -> true
        SecureFlagPolicy.Inherit -> isSecureFlagSetOnParent
    }
}