[Agenda] Update scroll listeners code.

app/build.gradle

@@ -152,7 +152,7 @@ dependencies {
     implementation "pl.droidsonroids.retrofit2:converter-jspoon:1.3.2"
 
     // Szkolny.eu libraries/forks
-    implementation "eu.szkolny:agendacalendarview:1799f8ef47"
+    implementation "eu.szkolny:agendacalendarview:5431f03098"
     implementation "eu.szkolny:cafebar:5bf0c618de"
     implementation "eu.szkolny.fslogin:lib:2.0.0"
     implementation "eu.szkolny:material-about-library:1d5ebaf47c"

app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/agenda/AgendaFragmentDefault.kt

@@ -59,18 +59,28 @@ class AgendaFragmentDefault(
     private val manager
         get() = CalendarManager.getInstance()
 
-    // TODO: 2021-04-11 find a way to attach the OnScrollListener automatically
+    private var scrollState = OnScrollListener.SCROLL_STATE_IDLE
-    // then set this to IDLE by default
-    // the FAB also needs the original listener, though
-    private var scrollState = OnScrollListener.SCROLL_STATE_TOUCH_SCROLL
     private var updatePending = false
     private var notifyPending = false
     override fun onScrollStateChanged(view: AbsListView?, newScrollState: Int) {
+        b.agendaDefaultView.agendaScrollListener.onScrollStateChanged(view, scrollState)
         scrollState = newScrollState
         if (updatePending) updateData()
         if (notifyPending) notifyDataSetChanged()
     }
 
+    override fun onScroll(
+        view: AbsListView?,
+        firstVisibleItem: Int,
+        visibleItemCount: Int,
+        totalItemCount: Int
+    ) = b.agendaDefaultView.agendaScrollListener.onScroll(
+        view,
+        firstVisibleItem,
+        visibleItemCount,
+        totalItemCount
+    )
+
     /**
      * Mark the data as needing update, either after 1 second (when
      * not scrolling) or 1 second after scrolling stops.
@@ -94,13 +104,6 @@ class AgendaFragmentDefault(
         } else notifyPending = true
     }
 
-    override fun onScroll(
-        view: AbsListView?,
-        firstVisibleItem: Int,
-        visibleItemCount: Int,
-        totalItemCount: Int
-    ) = Unit
-
     suspend fun initView(fragment: AgendaFragment) {
         isInitialized = false
 
@@ -183,6 +186,8 @@ class AgendaFragmentDefault(
             TeacherAbsenceEventRenderer()
         )
 
+        listView.setOnScrollListener(this)
+
         isInitialized = true
         b.progressBar.isVisible = false
     }