More design fixes

Enabled filters now have white text
Using A10's back gesture to close the snackbar works properly now

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

@@ -101,7 +101,6 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
         swipe_refresh.addView(recycler)
         adapter.fastScroller = fast_scroller
 
-
         if (!MainActivity.bottomNav) {
             fast_scroller.addOnScrollStateChangeListener {
                 controller.lockFilterBar(it)

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

@@ -547,7 +547,7 @@ class LibraryController(
 
     override fun handleBack(): Boolean {
         val sheetBehavior = BottomSheetBehavior.from(bottom_sheet)
-        if (sheetBehavior.state == BottomSheetBehavior.STATE_EXPANDED) {
+        if (sheetBehavior.state != BottomSheetBehavior.STATE_COLLAPSED) {
             sheetBehavior.state = BottomSheetBehavior.STATE_COLLAPSED
             return true
         }
@@ -570,12 +570,12 @@ class LibraryController(
             R.id.action_search -> expandActionViewFromInteraction = true
             R.id.action_library_filter -> {
                 if (MainActivity.bottomNav) {
-                    if (bottom_sheet.sheetBehavior?.state != BottomSheetBehavior.STATE_EXPANDED)
+                    if (bottom_sheet.sheetBehavior?.state != BottomSheetBehavior.STATE_COLLAPSED)
-                    bottom_sheet.sheetBehavior?.state =
-                        BottomSheetBehavior.STATE_EXPANDED
-                    else
                     bottom_sheet.sheetBehavior?.state =
                         BottomSheetBehavior.STATE_COLLAPSED
+                    else
+                        bottom_sheet.sheetBehavior?.state =
+                            BottomSheetBehavior.STATE_EXPANDED
                 }
                 else navView?.let { activity?.drawer?.openDrawer(GravityCompat.END) }
             }

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

@@ -1,12 +1,14 @@
 package eu.kanade.tachiyomi.ui.library.filter
 
 import android.content.Context
+import android.graphics.Color
 import android.util.AttributeSet
 import android.view.ViewGroup
 import android.widget.LinearLayout
 import com.f2prateek.rx.preferences.Preference
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.android.synthetic.main.filter_buttons.view.*
@@ -81,7 +83,10 @@ class FilterTagGroup@JvmOverloads constructor(context: Context, attrs: Attribute
         buttons.forEach {
             it.isActivated = false
         }
-        for (i in 0 until itemCount) buttons[i].visible()
+        for (i in 0 until itemCount)  {
+            buttons[i].visible()
+            buttons[i].setTextColor(context.getResourceColor(android.R.attr.textColorPrimary))
+        }
         for (i in 0 until (itemCount - 1)) separators[i].visible()
     }
 
@@ -96,6 +101,8 @@ class FilterTagGroup@JvmOverloads constructor(context: Context, attrs: Attribute
         }
         if (itemCount == 1) {
             firstButton.isActivated = !firstButton.isActivated
+            firstButton.setTextColor(if (firstButton.isActivated) Color.WHITE else context
+                .getResourceColor(android.R.attr.textColorPrimary))
             listener?.onFilterClicked(this, if (firstButton.isActivated) index else -1, callBack)
             return
         }
@@ -122,6 +129,8 @@ class FilterTagGroup@JvmOverloads constructor(context: Context, attrs: Attribute
                 separator2.gone()
             }
         }
+        mainButton.setTextColor(if (mainButton.isActivated) Color.WHITE else context
+            .getResourceColor(android.R.attr.textColorPrimary))
     }
 }
 

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

@@ -115,34 +115,40 @@ class SortFilterBottomSheet @JvmOverloads constructor(context: Context, attrs: A
         val shadow2:View = (pagerView.parent as ViewGroup).findViewById(R.id.shadow2)
         val shadow:View = (pagerView.parent as ViewGroup).findViewById(R.id.shadow)
         val coordLayout:View = (pagerView.parent as ViewGroup).findViewById(R.id.snackbar_layout)
+        val phoneLandscape = (isLandscape() && !isTablet())
+        if (phoneLandscape)
+            shadow.alpha = 0f
         sheetBehavior?.addBottomSheetCallback(object : BottomSheetBehavior.BottomSheetCallback() {
             override fun onSlide(bottomSheet: View, progress: Float) {
                 top_bar.alpha = 1 - progress
                 shadow2.alpha = (1 - progress) * 0.25f
+                if (phoneLandscape)
+                    shadow.alpha = progress
                 updateRootPadding(progress)
             }
 
             override fun onStateChanged(p0: View, state: Int) {
-                if (state == BottomSheetBehavior.STATE_COLLAPSED) reSortViews()
+                if (state == BottomSheetBehavior.STATE_COLLAPSED) {
+                    reSortViews()
+                    if (phoneLandscape)
+                        shadow.alpha = 0f
+                }
                 else setMainSortText()
-                if (state == BottomSheetBehavior.STATE_EXPANDED)
+                if (state == BottomSheetBehavior.STATE_EXPANDED) {
                     top_bar.alpha = 0f
+                    if (phoneLandscape)
+                        shadow.alpha = 1f
+                }
                 top_bar.isClickable = state == BottomSheetBehavior.STATE_COLLAPSED
                 top_bar.isFocusable = state == BottomSheetBehavior.STATE_COLLAPSED
             }
         })
-        top_bar.viewTreeObserver.addOnGlobalLayoutListener {
+        if (phoneLandscape && shadow2.visibility != View.GONE) {
-            val phoneLandscape = (isLandscape() && !isTablet())
-            sheetBehavior?.peekHeight = if (phoneLandscape) {
-                if (shadow2.visibility != View.GONE) {
-                    shadow.gone()
             shadow2.gone()
         }
-                0
+        top_bar.viewTreeObserver.addOnGlobalLayoutListener {
-            }
+            sheetBehavior?.peekHeight = if (phoneLandscape) 0
-            else if (!title.text.isNullOrBlank()) {
+            else if (!title.text.isNullOrBlank()) top_bar.height
-                top_bar.height
-            }
             else 0
             if (sheetBehavior?.state == BottomSheetBehavior.STATE_COLLAPSED) {
                 val height = context.resources.getDimensionPixelSize(R.dimen.rounder_radius)