NavigatorProvider.kt
/*
* Copyright 2018 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.
*/
@file:Suppress("NOTHING_TO_INLINE")
package androidx.navigation
import kotlin.reflect.KClass
/**
* Retrieves a registered [Navigator] by name.
*
* @throws IllegalStateException if the Navigator has not been added
*/
inline operator fun <T : Navigator<out NavDestination>> NavigatorProvider.get(name: String): T =
getNavigator(name)
/**
* Retrieves a registered [Navigator] using the name provided by the
* [Navigator.Name annotation][Navigator.Name].
*
* @throws IllegalStateException if the Navigator has not been added
*/
inline operator fun <T : Navigator<out NavDestination>> NavigatorProvider.get(
clazz: KClass<T>
): T = getNavigator(clazz.java)
/**
* Register a [Navigator] by name. If a navigator by this name is already
* registered, this new navigator will replace it.
*
* @return the previously added [Navigator] for the given name, if any
*/
inline operator fun NavigatorProvider.set(
name: String,
navigator: Navigator<out NavDestination>
) = addNavigator(name, navigator)
/**
* Register a navigator using the name provided by the
* [Navigator.Name annotation][Navigator.Name].
*/
inline operator fun NavigatorProvider.plusAssign(navigator: Navigator<out NavDestination>) {
addNavigator(navigator)
}