Add button to collapse reader filters

Also adding gesture ignoring for custom brightness since its extremely close to the nav bar

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

@@ -1,6 +1,8 @@
 package eu.kanade.tachiyomi.ui.reader.settings
 
 import android.content.Context
+import android.graphics.Rect
+import android.os.Build
 import android.util.AttributeSet
 import android.view.Window
 import android.view.WindowManager
@@ -19,6 +21,8 @@ class ReaderFilterView @JvmOverloads constructor(context: Context, attrs: Attrib
     BaseReaderSettingsView<ReaderColorFilterBinding>(context, attrs) {
 
     var window: Window? = null
+    private val boundingBox: Rect = Rect()
+    private val exclusions = listOf(boundingBox)
 
     override fun inflateBinding() = ReaderColorFilterBinding.bind(this)
     override fun initGeneralPreferences() {
@@ -266,6 +270,16 @@ class ReaderFilterView @JvmOverloads constructor(context: Context, attrs: Attrib
         /** Integer mask of blue value **/
         const val BLUE_MASK: Long = 0x000000FF
     }
+
+    override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
+        super.onLayout(changed, left, top, right, bottom)
+        if (Build.VERSION.SDK_INT >= 29 && changed) {
+            with(binding.brightnessSeekbar) {
+                boundingBox.set(this.left, this.top, this.right, this.bottom)
+                this.systemGestureExclusionRects = exclusions
+            }
+        }
+    }
 }
 
 /**

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

@@ -7,10 +7,13 @@ import androidx.core.content.ContextCompat
 import com.google.android.material.bottomsheet.BottomSheetBehavior
 import com.google.android.material.tabs.TabLayout
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.databinding.ReaderColorFilterBinding
 import eu.kanade.tachiyomi.ui.main.SearchActivity
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.view.collapse
 import eu.kanade.tachiyomi.util.view.expand
+import eu.kanade.tachiyomi.util.view.isCollapsed
 import eu.kanade.tachiyomi.util.view.visInvisIf
 import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.TabbedBottomSheetDialog
@@ -61,6 +64,15 @@ class TabbedReaderSettingsSheet(val readerActivity: ReaderActivity) :
         generalView.sheet = this
 
         sheetBehavior = BottomSheetBehavior.from(binding.root.parent as ViewGroup)
+
+        ReaderColorFilterBinding.bind(filterView).swipeDown.setOnClickListener {
+            if (sheetBehavior.isCollapsed()) {
+                sheetBehavior.expand()
+            } else {
+                sheetBehavior.collapse()
+            }
+        }
+
         binding.menu.visible()
         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
             binding.menu.tooltipText = context.getString(R.string.reader_settings)
@@ -86,7 +98,7 @@ class TabbedReaderSettingsSheet(val readerActivity: ReaderActivity) :
                 readerActivity.binding.appBar.visInvisIf(tab?.position != 2)
                 if (tab?.position == 2) {
                     sheetBehavior.skipCollapsed = false
-                    sheetBehavior.peekHeight = 100.dpToPx
+                    sheetBehavior.peekHeight = 110.dpToPx
                     filterView.setWindowBrightness()
                 } else {
                     sheetBehavior.expand()

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

@@ -23,16 +23,27 @@
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintStart_toEndOf="parent" />
 
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/swipe_down"
+            style="@style/Theme.Widget.Button.TextButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/preview"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
         <!-- Color filter -->
 
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/switch_color_filter"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
             android:text="@string/use_custom_color_filter"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
+            app:layout_constraintTop_toBottomOf="@id/swipe_down"/>
 
         <!-- Red filter -->
 
@@ -188,7 +199,7 @@
             android:id="@+id/custom_brightness"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="16dp"
+            android:layout_marginTop="8dp"
             android:text="@string/use_custom_brightness"
             app:layout_constraintTop_toBottomOf="@id/color_filter_mode" />
 

app/src/main/res/values/strings.xml

@@ -840,6 +840,7 @@
     <string name="picture_saved">Picture saved</string>
     <string name="pin">Pin</string>
     <string name="pinned">Pinned</string>
+    <string name="preview">Preview</string>
     <string name="previous">Previous</string>
     <string name="refresh">Refresh</string>
     <string name="refreshing">Refreshing</string>