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MainActivity: fix issue with going back

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dece 2021-12-13 15:06:40 +01:00
parent 6a65df0f4e
commit 9743fea7d5
1 changed files with 8 additions and 14 deletions
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22
app/src/main/java/dev/lowrespalmtree/comet/MainActivity.kt
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@ -35,9 +35,6 @@ class MainActivity : AppCompatActivity(), ContentAdapter.ContentAdapterListen {
/** A non-saved list of visited URLs. Not an history, just used for going back. */
private val visitedUrls = mutableListOf<String>()
/** Are we going back? */
private var goingBack = false
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
@ -71,14 +68,12 @@ class MainActivity : AppCompatActivity(), ContentAdapter.ContentAdapterListen {
}
override fun onBackPressed() {
if (visitedUrls.isNotEmpty()) {
if (visitedUrls.size > 1)
visitedUrls.removeLast()
goingBack = true
openUrl(visitedUrls.removeLast())
} else {
visitedUrls.removeLastOrNull() // Always remove current page first.
val previousUrl = visitedUrls.removeLastOrNull()
if (previousUrl != null)
openUrl(previousUrl)
else
super.onBackPressed()
}
}
override fun onLinkClick(url: String) {
@ -126,10 +121,7 @@ class MainActivity : AppCompatActivity(), ContentAdapter.ContentAdapterListen {
if (!event.handled) {
when (event) {
is PageViewModel.SuccessEvent -> {
if (goingBack)
goingBack = false
else
visitedUrls.add(event.uri)
visitedUrls.add(event.uri)
}
is PageViewModel.FailureEvent -> {
alert(event.message)
@ -243,6 +235,8 @@ class MainActivity : AppCompatActivity(), ContentAdapter.ContentAdapterListen {
}
lines.postValue(linesList)
// We record the history entry here: it's nice because we have the main title available
// and we're already in a coroutine for database access.
History.record(uri.toString(), mainTitle)
event.postValue(SuccessEvent(uri.toString()))
state.postValue(State.IDLE)