47 lines
1.9 KiB
Kotlin
47 lines
1.9 KiB
Kotlin
package be.mygod.vpnhotspot
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import android.app.Activity
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import android.content.DialogInterface
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import android.content.Intent
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import android.os.Bundle
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import androidx.appcompat.app.AlertDialog
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import androidx.appcompat.app.AppCompatDialogFragment
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import androidx.versionedparcelable.ParcelUtils
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import androidx.versionedparcelable.VersionedParcelable
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/**
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* Based on: https://android.googlesource.com/platform/packages/apps/ExactCalculator/+/8c43f06/src/com/android/calculator2/AlertDialogFragment.java
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*/
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abstract class AlertDialogFragment<Arg : VersionedParcelable, Ret : VersionedParcelable> :
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AppCompatDialogFragment(), DialogInterface.OnClickListener {
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companion object {
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private const val KEY_ARG = "arg"
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private const val KEY_RET = "ret"
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fun <T : VersionedParcelable> getRet(data: Intent) =
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ParcelUtils.getVersionedParcelable<T>(data.extras, KEY_RET)!!
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}
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protected abstract fun AlertDialog.Builder.prepare(listener: DialogInterface.OnClickListener)
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protected val arg by lazy { ParcelUtils.getVersionedParcelable<Arg>(arguments, KEY_ARG)!! }
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protected open val ret: Ret? get() = null
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fun withArg(arg: Arg) = apply {
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arguments = Bundle().also { ParcelUtils.putVersionedParcelable(it, KEY_ARG, arg) }
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}
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override fun onCreateDialog(savedInstanceState: Bundle?): AlertDialog =
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AlertDialog.Builder(requireContext()).also { it.prepare(this) }.create()
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override fun onClick(dialog: DialogInterface?, which: Int) {
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targetFragment?.onActivityResult(targetRequestCode, which, ret?.let {
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Intent().replaceExtras(Bundle().apply { ParcelUtils.putVersionedParcelable(this, KEY_RET, it) })
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})
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}
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override fun onDismiss(dialog: DialogInterface) {
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super.onDismiss(dialog)
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targetFragment?.onActivityResult(targetRequestCode, Activity.RESULT_CANCELED, null)
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}
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}
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class Empty : VersionedParcelable
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