blob: 4a8b6dc95a545839ef6968b4301d2383458c8bb3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
package ca.allanwang.kau.swipe
import android.app.Activity
import ca.allanwang.kau.logging.KL
import java.util.*
class SwipeBackException(message: String = "You Should call SwipeBackHelper.onCreate(activity) first") : RuntimeException(message)
object SwipeBackHelper {
private val pageStack = Stack<SwipeBackPage>()
private operator fun get(activity: Activity): SwipeBackPage
= pageStack.firstOrNull { it.activity === activity } ?: throw SwipeBackException()
fun getCurrentPage(activity: Activity): SwipeBackPage = this[activity]
fun onCreate(activity: Activity) {
pageStack.firstOrNull { it.activity === activity } ?: pageStack.push(SwipeBackPage(activity))
// activity.window.exitTransition =
}
fun onPostCreate(activity: Activity) = this[activity].onPostCreate()
fun onDestroy(activity: Activity) {
KL.d("Swipe destroy")
val page: SwipeBackPage = this[activity]
pageStack.remove(page)
page.activity = null
}
fun finish(activity: Activity) = this[activity].scrollToFinishActivity()
internal fun getPrePage(activity: SwipeBackPage): SwipeBackPage? {
val index = pageStack.indexOf(activity)
return if (index > 0) pageStack[index - 1] else null
}
}
fun Activity.kauSwipeOnCreate() = SwipeBackHelper.onCreate(this)
fun Activity.kauSwipeOnPostCreate() = SwipeBackHelper.onPostCreate(this)
fun Activity.kauSwipeOnDestroy() = SwipeBackHelper.onDestroy(this)
fun Activity.kauSwipeFinish() = SwipeBackHelper.finish(this)
|
