issue_5680_3.1: TimeoutFragment2 - code for timeout dialog (f1ab0ea8) · Commits · e / os / App Lounge

app/src/main/java/foundation/e/apps/utils/parentFragment/TimeoutFragment2.kt

+92 −0

Original line number	Diff line number	Diff line
		package foundation.e.apps.utils.parentFragment

		import androidx.annotation.LayoutRes
		import androidx.appcompat.app.AlertDialog
		import androidx.core.view.isVisible
		import androidx.fragment.app.Fragment
		import androidx.lifecycle.MutableLiveData
		import androidx.lifecycle.ViewModelProvider
		import androidx.lifecycle.lifecycleScope
		import foundation.e.apps.R
		import foundation.e.apps.databinding.DialogErrorLogBinding
		import foundation.e.apps.login.AuthObject
		import foundation.e.apps.login.LoginViewModel
		import kotlinx.coroutines.launch
		@@ -35,6 +39,28 @@ abstract class TimeoutFragment2(@LayoutRes layoutId: Int) : Fragment(layoutId) {

		abstract fun stopLoadingUI()

		/**
		* Override to contain code to execute in case of timeout.
		* Do not call this function directly, use [showTimeout] for that.
		*
		* @param predefinedDialog An AlertDialog builder, already having some properties,
		* Fragment can change the dialog properties and return as the result.
		* By default:
		* 1. Dialog title set to [R.string.timeout_title]
		* 2. Dialog content set to [R.string.timeout_desc_cleanapk].
		* 3. Dialog can show technical error info on clicking "More Info"
		* 4. Has a positive button "Retry" which calls [LoginViewModel.startLoginFlow].
		* 5. Has a negative button "Close" which just closes the dialog.
		* 6. Dialog is cancellable.
		*
		* @return An alert dialog (created from [predefinedDialog]) to show a timeout dialog,
		* or null to not show anything.
		*/
		abstract fun onTimeout(
		exception: Exception,
		predefinedDialog: AlertDialog.Builder,
		): AlertDialog.Builder?

		/**
		* Crucial to call this, other wise fragments will never receive any authentications.
		*/
		@@ -51,4 +77,70 @@ abstract class TimeoutFragment2(@LayoutRes layoutId: Int) : Fragment(layoutId) {
		fun repostAuthObjects() {
		authObjects.postValue(loginViewModel.authObjects.value)
		}

		/**
		* Store the last shown dialog, so that when a new dialog is to be shown,
		* the old dialog can be automatically dismissed.
		*/
		private var lastDialog: AlertDialog? = null

		/**
		* Show a dialog, dismiss previously shown dialog in [lastDialog].
		*/
		private fun showAndSetDialog(alertDialogBuilder: AlertDialog.Builder) {
		alertDialogBuilder.create().run {
		if (lastDialog?.isShowing == true) {
		lastDialog?.dismiss()
		}
		this.show()
		lastDialog = this
		}
		}


		/**
		* Call to trigger [onTimeout].
		* Can be called from anywhere in the fragment.
		*
		* Calls [onTimeout], which may return a [AlertDialog.Builder]
		* instance if it deems fit. Else it may return null, in which case no timeout dialog
		* is shown to the user.
		*/
		fun showTimeout(
		exception: Exception,
		) {
		val dialogView = DialogErrorLogBinding.inflate(requireActivity().layoutInflater)
		dialogView.apply {
		moreInfo.setOnClickListener {
		logDisplay.isVisible = true
		moreInfo.isVisible = false
		}

		val logToDisplay = exception.message ?: ""

		if (logToDisplay.isNotBlank()) {
		logDisplay.text = logToDisplay
		moreInfo.isVisible = true
		}
		}
		val predefinedDialog = AlertDialog.Builder(requireActivity()).apply {
		setTitle(R.string.timeout_title)
		setMessage(R.string.timeout_desc_cleanapk)
		setView(dialogView.root)
		setPositiveButton(R.string.retry) { _, _ ->
		showLoadingUI()
		loginViewModel.startLoginFlow()
		}
		setNegativeButton(R.string.close, null)
		setCancelable(true)
		}

		onTimeout(
		exception,
		predefinedDialog,
		)?.run {
		stopLoadingUI()
		showAndSetDialog(this)
		}
		}
		}
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