Collaspe chapter sheet when touching outside of chapter sheet

Which fixes the wonky logic when switching chapters in it

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -388,6 +388,14 @@ class ReaderActivity :
             }
         }
 
+        binding.touchView.setOnTouchListener { v, event ->
+            if (event.action == MotionEvent.ACTION_DOWN) {
+                if (binding.chaptersSheet.chaptersBottomSheet.sheetBehavior.isExpanded()) {
+                    binding.chaptersSheet.chaptersBottomSheet.sheetBehavior?.collapse()
+                }
+            }
+            false
+        }
         val readerNavGestureDetector = ReaderNavGestureDetector(this)
         val gestureDetector = GestureDetectorCompat(this, readerNavGestureDetector)
         with(binding.readerNav) {
@@ -680,7 +688,7 @@ class ReaderActivity :
      */
     @SuppressLint("SetTextI18n")
     fun onPageSelected(page: ReaderPage) {
-        val newChapter = presenter.onPageSelected(page)
+        presenter.onPageSelected(page)
         val pages = page.chapter.pages ?: return
 
         val currentPage = page.number
@@ -696,14 +704,9 @@ class ReaderActivity :
             binding.readerNav.leftPageText.text = currentPage.toString()
             binding.readerNav.rightPageText.text = totalPages.toString()
         }
-        if (!newChapter && binding.chaptersSheet.chaptersBottomSheet.shouldCollapse && binding.chaptersSheet.chaptersBottomSheet.sheetBehavior.isExpanded()) {
-            binding.chaptersSheet.chaptersBottomSheet.sheetBehavior?.collapse()
-        }
         if (binding.chaptersSheet.chaptersBottomSheet.selectedChapterId != page.chapter.chapter.id) {
             binding.chaptersSheet.chaptersBottomSheet.refreshList()
         }
-        binding.chaptersSheet.chaptersBottomSheet.shouldCollapse = true
-
         // Set seekbar progress
         binding.readerNav.pageSeekbar.max = pages.lastIndex
         binding.readerNav.pageSeekbar.progress = page.index

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt

@@ -458,8 +458,8 @@ class ReaderPresenter(
      * read, update tracking services, enqueue downloaded chapter deletion, and updating the active chapter if this
      * [page]'s chapter is different from the currently active.
      */
-    fun onPageSelected(page: ReaderPage): Boolean {
+    fun onPageSelected(page: ReaderPage) {
-        val currentChapters = viewerChaptersRelay.value ?: return false
+        val currentChapters = viewerChaptersRelay.value ?: return
 
         val selectedChapter = page.chapter
 
@@ -477,9 +477,7 @@ class ReaderPresenter(
             Timber.d("Setting ${selectedChapter.chapter.url} as active")
             onChapterChanged(currentChapters.currChapter)
             loadNewChapter(selectedChapter)
-            return true
         }
-        return false
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/chapter/ReaderChapterSheet.kt

@@ -41,7 +41,6 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
     lateinit var presenter: ReaderPresenter
     var adapter: FastAdapter<ReaderChapterItem>? = null
     private val itemAdapter = ItemAdapter<ReaderChapterItem>()
-    var shouldCollapse = true
     var selectedChapterId = -1L
 
     var loadingPos = 0
@@ -98,7 +97,6 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
 
                 override fun onStateChanged(p0: View, state: Int) {
                     if (state == BottomSheetBehavior.STATE_COLLAPSED) {
-                        shouldCollapse = true
                         sheetBehavior?.isHideable = false
                         (binding.chapterRecycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(
                             adapter?.getPosition(presenter.getCurrentChapter()?.chapter?.id ?: 0L) ?: 0,
@@ -136,7 +134,6 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
                     activity.binding.readerNav.leftChapter.invisible()
                     activity.binding.readerNav.rightChapter.invisible()
 
-                    shouldCollapse = false
                     presenter.loadChapter(item.chapter)
                     loadingPos = position
                     val itemView = (binding.chapterRecycler.findViewHolderForAdapterPosition(position) as? ReaderChapterItem.ViewHolder)?.binding

app/src/main/res/layout/reader_activity.xml

@@ -63,6 +63,12 @@
         </FrameLayout>
     </FrameLayout>
 
+    <View
+        android:id="@+id/touch_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        />
+
     <FrameLayout
         android:id="@+id/nav_layout"
         android:layout_width="match_parent"