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Remove unused SharedData object

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arkon 2020-02-02 22:04:20 -05:00
parent 9f9de27a57
commit faf8f1fbbc
1 changed files with 0 additions and 55 deletions
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55
app/src/main/java/eu/kanade/tachiyomi/util/SharedData.kt
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@ -1,55 +0,0 @@
package eu.kanade.tachiyomi.util
import java.util.HashMap
/**
* This singleton is used to share some objects within the application, useful to communicate
* different parts of the app.
*
* It stores the objects in a map using the type of the object as key, so that only one object per
* class is stored at once.
*/
object SharedData {
/**
* Map where the objects are saved.
*/
val map = HashMap<Class<*>, Any>()
/**
* Publish an object to the shared data.
*
* @param data the object to put.
*/
fun <T : Any> put(data: T) {
map[data.javaClass] = data
}
/**
* Retrieves an object from the shared data.
*
* @param classType the class of the object to retrieve.
* @return an object of type T or null if it's not found.
*/
@Suppress("UNCHECKED_CAST")
fun <T : Any> get(classType: Class<T>) = map[classType] as? T
/**
* Removes an object from the shared data.
*
* @param classType the class of the object to remove.
* @return the object removed, null otherwise.
*/
fun <T : Any> remove(classType: Class<T>) = get(classType)?.apply { map.remove(classType) }
/**
* Returns an object from the shared data or introduces a new one with the given function.
*
* @param classType the class of the object to retrieve.
* @param fn the function to execute if it didn't find the object.
* @return an object of type T.
*/
@Suppress("UNCHECKED_CAST")
inline fun <T : Any> getOrPut(classType: Class<T>, fn: () -> T) = map.getOrPut(classType, fn) as T
}