Manga details now auto hides the fast scroll

Also more fixes to the tablet layout of manga details

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt

@@ -2,7 +2,6 @@ package eu.kanade.tachiyomi.ui.library
 
 import android.app.Activity
 import android.content.Context
-import android.content.res.ColorStateList
 import android.graphics.Color
 import android.os.Bundle
 import android.util.TypedValue
@@ -17,7 +16,6 @@ import android.view.inputmethod.InputMethodManager
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.SearchView
-import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -60,9 +58,13 @@ import eu.kanade.tachiyomi.util.system.launchUI
 import eu.kanade.tachiyomi.util.view.applyWindowInsetsForRootController
 import eu.kanade.tachiyomi.util.view.getItemView
 import eu.kanade.tachiyomi.util.view.gone
+import eu.kanade.tachiyomi.util.view.hide
 import eu.kanade.tachiyomi.util.view.scrollViewWith
+import eu.kanade.tachiyomi.util.view.setBackground
 import eu.kanade.tachiyomi.util.view.setOnQueryTextChangeListener
+import eu.kanade.tachiyomi.util.view.setStartTranslationX
 import eu.kanade.tachiyomi.util.view.setStyle
+import eu.kanade.tachiyomi.util.view.show
 import eu.kanade.tachiyomi.util.view.snack
 import eu.kanade.tachiyomi.util.view.updateLayoutParams
 import eu.kanade.tachiyomi.util.view.updatePaddingRelative
@@ -185,14 +187,11 @@ class LibraryController(
                 RecyclerView.SCROLL_STATE_DRAGGING -> {
                     scrollAnim?.cancel()
                     if (fast_scroller.translationX != 0f) {
-                        fast_scroller.animate().setStartDelay(0).setDuration(100).translationX(0f)
-                            .start()
+                        fast_scroller.show()
                     }
                 }
                 RecyclerView.SCROLL_STATE_IDLE -> {
-                    scrollAnim = fast_scroller.animate().setStartDelay(1000).setDuration(250)
-                        .translationX(25f.dpToPxEnd)
-                    scrollAnim?.start()
+                    scrollAnim = fast_scroller.hide()
                 }
             }
         }
@@ -220,32 +219,12 @@ class LibraryController(
         }
     }
 
-    private fun hideScroller(duration: Long = 1000) {
-        if (alwaysShowScroller) return
-        scrollAnim =
-            fast_scroller.animate().setStartDelay(duration).setDuration(250)
-                .translationX(25f.dpToPxEnd)
-        scrollAnim?.start()
-    }
-
-    private fun setFastScrollBackground() {
-        val context = activity ?: return
-        fast_scroller.background = if (!alwaysShowScroller) ContextCompat.getDrawable(
-            context, R.drawable.fast_scroll_background
-        ) else null
-        fast_scroller.textColor = ColorStateList.valueOf(
-            if (!alwaysShowScroller) Color.WHITE
-            else context.getResourceColor(android.R.attr.textColorPrimary)
-        )
-        fast_scroller.iconColor = fast_scroller.textColor
-    }
-
     override fun onViewCreated(view: View) {
         super.onViewCreated(view)
         view.applyWindowInsetsForRootController(activity!!.bottom_nav)
         if (!::presenter.isInitialized) presenter = LibraryPresenter(this)
-        if (!alwaysShowScroller) fast_scroller.translationX = 25f.dpToPxEnd
-        setFastScrollBackground()
+        fast_scroller.setStartTranslationX(!alwaysShowScroller)
+        fast_scroller.setBackground(!alwaysShowScroller)
 
         adapter = LibraryCategoryAdapter(this)
         adapter.expandItemsAtStartUp()
@@ -279,7 +258,10 @@ class LibraryController(
                 itemPosition: Int
             ) {
                 fast_scroller.translationX = 0f
-                hideScroller(2000)
+                if (!alwaysShowScroller) {
+                    scrollAnim?.cancel()
+                    scrollAnim = fast_scroller.hide(2000)
+                }
 
                 textAnim?.cancel()
                 textAnim = text_view_m.animate().alpha(0f).setDuration(250L).setStartDelay(2000)
@@ -423,11 +405,11 @@ class LibraryController(
 
     fun updateShowScrollbar(show: Boolean) {
         alwaysShowScroller = show
-        setFastScrollBackground()
+        fast_scroller.setBackground(!show)
         if (libraryLayout == 0) reattachAdapter()
         scrollAnim?.cancel()
         if (show) fast_scroller.translationX = 0f
-        else hideScroller()
+        else scrollAnim = fast_scroller.hide()
         setRecyclerLayout()
     }
 
@@ -521,9 +503,11 @@ class LibraryController(
         } else recycler_layout.alpha = 1f
         if (justStarted && freshStart) {
             scrollToHeader(activeCategory)
-            fast_scroller.translationX = 0f
+            if (!alwaysShowScroller) {
+                fast_scroller.show(false)
                 view?.post {
-                hideScroller(2000)
+                    scrollAnim = fast_scroller.hide(2000)
+                }
             }
         }
         adapter.isLongPressDragEnabled = canDrag()

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsController.kt

@@ -101,9 +101,13 @@ import eu.kanade.tachiyomi.util.system.pxToDp
 import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.doOnApplyWindowInsets
 import eu.kanade.tachiyomi.util.view.getText
+import eu.kanade.tachiyomi.util.view.hide
 import eu.kanade.tachiyomi.util.view.scrollViewWith
+import eu.kanade.tachiyomi.util.view.setBackground
 import eu.kanade.tachiyomi.util.view.setOnQueryTextChangeListener
+import eu.kanade.tachiyomi.util.view.setStartTranslationX
 import eu.kanade.tachiyomi.util.view.setStyle
+import eu.kanade.tachiyomi.util.view.show
 import eu.kanade.tachiyomi.util.view.snack
 import eu.kanade.tachiyomi.util.view.updateLayoutParams
 import eu.kanade.tachiyomi.util.view.updatePaddingRelative
@@ -185,7 +189,6 @@ class MangaDetailsController : BaseController,
     // Hold a reference to the current animator, so that it can be canceled mid-way.
     private var currentAnimator: Animator? = null
 
-    var showScroll = false
     var headerHeight = 0
 
     override fun getTitle(): String? {
@@ -292,11 +295,22 @@ class MangaDetailsController : BaseController,
             override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
                 val atTop = !recycler.canScrollVertically(-1)
                 if (atTop) getHeader()?.backdrop?.translationY = 0f
+                when (newState) {
+                    RecyclerView.SCROLL_STATE_DRAGGING -> {
+                        scrollAnim?.cancel()
+                        if (fast_scroller.translationX != 0f) {
+                            showFastScroller()
+                        }
+                    }
+                    RecyclerView.SCROLL_STATE_IDLE -> {
+                        scrollAnim = fast_scroller.hide()
+                    }
+                }
             }
         })
     }
 
-    fun setInsets(insets: WindowInsets, appbarHeight: Int, offset: Int) {
+    private fun setInsets(insets: WindowInsets, appbarHeight: Int, offset: Int) {
         recycler.updatePaddingRelative(bottom = insets.systemWindowInsetBottom)
         tabletRecycler?.updatePaddingRelative(bottom = insets.systemWindowInsetBottom)
         headerHeight = appbarHeight + insets.systemWindowInsetTop
@@ -311,7 +325,8 @@ class MangaDetailsController : BaseController,
     }
 
     private fun setFastScroller() {
-        // fast_scroller.translationX = if (showScroll || isTablet) 0f else 25f.dpToPxEnd
+        fast_scroller.setStartTranslationX(true)
+        fast_scroller.setBackground(true)
         fast_scroller.setupWithRecyclerView(recycler, { position ->
             val letter = adapter?.getSectionText(position)
             when {
@@ -328,6 +343,9 @@ class MangaDetailsController : BaseController,
                 indicatorCenterY: Int,
                 itemPosition: Int
             ) {
+                scrollAnim?.cancel()
+                scrollAnim = fast_scroller.hide(2000)
+
                 textAnim?.cancel()
                 textAnim = text_view_m.animate().alpha(0f).setDuration(250L).setStartDelay(1000)
                 textAnim?.start()
@@ -340,10 +358,12 @@ class MangaDetailsController : BaseController,
                 (recycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(
                     itemPosition, headerHeight
                 )
+                if (!isTablet) {
                     colorToolbar(itemPosition > 0, false)
                 }
             }
         }
+    }
 
     /** Set the toolbar to fully transparent or colored and translucent */
     fun colorToolbar(isColor: Boolean, animate: Boolean = true) {
@@ -582,6 +602,12 @@ class MangaDetailsController : BaseController,
         activity?.invalidateOptionsMenu()
     }
 
+    private fun showFastScroller(animate: Boolean = true) {
+        if (presenter.scrollType != 0) {
+            fast_scroller.show(animate)
+        }
+    }
+
     private fun addMangaHeader() {
         if (tabletAdapter?.scrollableHeaders?.isEmpty() == true) {
             tabletAdapter?.removeAllScrollableHeaders()

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt

@@ -67,7 +67,7 @@ class MangaDetailsPresenter(
     private val seasonRegex = Regex("""(Season |S)([0-9]+)?""")
 
     private val loggedServices by lazy { Injekt.get<TrackManager>().services.filter { it.isLogged } }
-    var tracks = emptyList<Track>()
+    private var tracks = emptyList<Track>()
 
     var trackList: List<TrackItem> = emptyList()
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaHeaderHolder.kt

@@ -5,6 +5,7 @@ import android.content.res.ColorStateList
 import android.graphics.Color
 import android.view.MotionEvent
 import android.view.View
+import android.view.ViewGroup
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.ColorUtils
@@ -19,6 +20,7 @@ import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.isLTR
 import eu.kanade.tachiyomi.util.view.gone
@@ -61,8 +63,9 @@ class MangaHeaderHolder(
                     true
                 false
             }
-            if (!itemView.resources.isLTR)
+            if (!itemView.resources.isLTR) {
                 more_bg_gradient.rotation = 180f
+            }
             less_button.setOnClickListener { collapseDesc() }
             manga_genres_tags.setOnTagClickListener {
                 adapter.delegate.tagClicked(it)
@@ -92,6 +95,10 @@ class MangaHeaderHolder(
             if (startExpanded) expandDesc()
             else collapseDesc()
             if (isTablet) chapter_layout.gone()
+        } else {
+            filter_button.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+                marginEnd = 12.dpToPx
+            }
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/util/view/FastScrollerExtensions.kt

@@ -0,0 +1,37 @@
+package eu.kanade.tachiyomi.util.view
+
+import android.content.res.ColorStateList
+import android.graphics.Color
+import android.view.ViewPropertyAnimator
+import androidx.core.content.ContextCompat
+import com.reddit.indicatorfastscroll.FastScrollerView
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.util.system.dpToPxEnd
+import eu.kanade.tachiyomi.util.system.getResourceColor
+
+fun FastScrollerView.setBackground(hasBackground: Boolean) {
+    background = if (hasBackground) ContextCompat.getDrawable(
+        context, R.drawable.fast_scroll_background
+    ) else null
+    textColor = ColorStateList.valueOf(
+        if (hasBackground) Color.WHITE
+        else context.getResourceColor(android.R.attr.textColorPrimary)
+    )
+    iconColor = textColor
+}
+
+fun FastScrollerView.setStartTranslationX(shouldHide: Boolean) {
+    translationX = if (shouldHide) 25f.dpToPxEnd else 0f
+}
+
+fun FastScrollerView.hide(duration: Long = 1000): ViewPropertyAnimator {
+    val scrollAnim = animate().setStartDelay(duration).setDuration(250)
+            .translationX(25f.dpToPxEnd)
+    scrollAnim.start()
+    return scrollAnim
+}
+
+fun FastScrollerView.show(animate: Boolean = true) {
+    if (animate) animate().setStartDelay(0).setDuration(100).translationX(0f).start()
+    else translationX = 0f
+}

app/src/main/res/drawable/fast_scroll_background.xml

@@ -10,7 +10,7 @@
             <size
                 android:width="25dp"
                 android:height="25dp" />
-            <solid android:color="@color/gray_button" />
+            <solid android:color="@color/md_grey_800" />
         </shape>
     </item>
     <item
@@ -21,7 +21,7 @@
             <size
                 android:width="0dp"
                 android:height="25dp" />
-            <solid android:color="@color/gray_button" />
+            <solid android:color="@color/md_grey_800" />
         </shape>
     </item>
 </layer-list>

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

@@ -94,7 +94,7 @@
             layout="@layout/download_button"
             android:layout_width="50dp"
             android:layout_height="0dp"
-            android:layout_marginEnd="12dp"
+            android:layout_marginEnd="4dp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent" />

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

@@ -38,7 +38,6 @@
             android:elevation="10dp"
             android:layout_gravity="end"
             android:background="@drawable/fast_scroll_background"
-            android:backgroundTint="@color/md_grey_800"
             android:paddingTop="8dp"
             android:paddingBottom="8dp"
             android:paddingStart="3dp"

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

@@ -38,13 +38,14 @@
         <com.reddit.indicatorfastscroll.FastScrollerView
             android:id="@+id/fast_scroller"
             android:layout_width="25dp"
-            android:layout_height="0dp"
+            android:layout_height="wrap_content"
             android:layout_gravity="end"
             android:elevation="10dp"
             android:paddingStart="1dp"
             android:paddingTop="8dp"
             android:paddingEnd="0dp"
             android:paddingBottom="8dp"
+            app:layout_constrainedHeight="true"
             android:textColor="?android:attr/textColorPrimary"
             app:iconColor="?android:attr/textColorPrimary"
             app:layout_constraintBottom_toBottomOf="parent"

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

@@ -225,7 +225,7 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginTop="4dp"
-        android:layout_marginEnd="18dp"
+        android:layout_marginEnd="16dp"
         android:clickable="true"
         android:focusable="true"
         android:maxLines="3"
@@ -268,7 +268,7 @@
         style="@style/Theme.Widget.Button.TextButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginEnd="18dp"
+        android:layout_marginEnd="16dp"
         android:text="@string/more"
         android:textAlignment="viewEnd"
         app:layout_constraintBottom_toBottomOf="@id/more_guide"
@@ -314,7 +314,7 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
-        android:layout_marginEnd="18dp"
+        android:layout_marginEnd="16dp"
         android:text="@string/less"
         android:textAlignment="textEnd"
         android:visibility="gone"
@@ -331,9 +331,8 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
-        android:visibility="gone"
         android:layout_marginTop="12dp"
-        android:layout_marginEnd="24dp"
+        android:layout_marginEnd="16dp"
         android:text="@string/start_reading"
         app:layout_constraintBottom_toTopOf="@id/chapter_layout"
         app:layout_constraintEnd_toEndOf="parent"
@@ -373,7 +372,7 @@
             android:tint="?colorAccent"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginEnd="20dp"
+            android:layout_marginEnd="12dp"
             android:background="@null"
             android:padding="5dp"
             android:src="@drawable/ic_filter_list_white_24dp"