Add disable webtoon zoom setting

app/src/main/java/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -218,6 +218,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getEnumValue(KEY_LOCAL_LIST_ORDER, SortOrder.NEWEST)
 		set(value) = prefs.edit { putEnumValue(KEY_LOCAL_LIST_ORDER, value) }
 
+	val isWebtoonZoomEnable: Boolean
+		get() = prefs.getBoolean(KEY_WEBTOON_ZOOM, true)
+
 	fun isPagesPreloadAllowed(cm: ConnectivityManager): Boolean {
 		return when (prefs.getString(KEY_PAGES_PRELOAD, null)?.toIntOrNull()) {
 			NETWORK_ALWAYS -> true
@@ -337,6 +340,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_SHORTCUTS = "dynamic_shortcuts"
 		const val KEY_READER_TAPS_LTR = "reader_taps_ltr"
 		const val KEY_LOCAL_LIST_ORDER = "local_order"
+		const val KEY_WEBTOON_ZOOM = "webtoon_zoom"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

app/src/main/java/org/koitharu/kotatsu/reader/ui/config/ReaderSettings.kt

@@ -27,6 +27,9 @@ class ReaderSettings(
 	val isPagesNumbersEnabled: Boolean
 		get() = settings.isPagesNumbersEnabled
 
+	val isWebtoonZoomEnable: Boolean
+		get() = settings.isWebtoonZoomEnable
+
 	override fun onInactive() {
 		super.onInactive()
 		settings.unsubscribe(internalObserver)
@@ -60,7 +63,7 @@ class ReaderSettings(
 		}
 
 		override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
-			if (key == AppSettings.KEY_ZOOM_MODE || key == AppSettings.KEY_PAGES_NUMBERS) {
+			if (key == AppSettings.KEY_ZOOM_MODE || key == AppSettings.KEY_PAGES_NUMBERS || key == AppSettings.KEY_WEBTOON_ZOOM) {
 				notifyChanged()
 			}
 		}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonReaderFragment.kt

@@ -35,6 +35,8 @@ class WebtoonReaderFragment : BaseReader<FragmentReaderWebtoonBinding>() {
 			adapter = webtoonAdapter
 			addOnPageScrollListener(PageScrollListener())
 		}
+
+		viewModel.readerSettings.observe(viewLifecycleOwner) { binding.frame.isZoomEnable = it.isWebtoonZoomEnable }
 	}
 
 	override fun onDestroyView() {

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonScalingFrame.kt

@@ -39,12 +39,23 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 	private val targetHitRect = Rect()
 	private var pendingScroll = 0
 
+	var isZoomEnable = true
+		set(value) {
+			field = value
+			if (scale != 1f) {
+				scaleChild(1f, halfWidth, halfHeight)
+			}
+		}
+
 	init {
 		syncMatrixValues()
 	}
 
 	override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
-		ev ?: return super.dispatchTouchEvent(ev)
+		if (!isZoomEnable || ev == null) {
+			return super.dispatchTouchEvent(ev)
+		}
+
 		if (ev.action == MotionEvent.ACTION_DOWN && overScroller.computeScrollOffset()) {
 			overScroller.forceFinished(true)
 		}
@@ -64,10 +75,6 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 		return super.dispatchTouchEvent(ev)
 	}
 
-	override fun onInterceptTouchEvent(ev: MotionEvent?): Boolean {
-		return super.onInterceptTouchEvent(ev) || scaleDetector.isInProgress
-	}
-
 	override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
 		super.onMeasure(widthMeasureSpec, heightMeasureSpec)
 		halfWidth = measuredWidth / 2f

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

@@ -390,4 +390,5 @@
 	<string name="discard">Discard</string>
 	<string name="error_no_space_left">No space left on device</string>
 	<string name="reader_slider">Show page switching slider</string>
+	<string name="webtoon_zoom">Webtoon zoom</string>
 </resources>

app/src/main/res/xml/pref_reader.xml

@@ -40,6 +40,11 @@
 		android:key="reader_animation"
 		android:title="@string/pages_animation" />
 
+	<SwitchPreferenceCompat
+		android:defaultValue="true"
+		android:key="webtoon_zoom"
+		android:title="@string/webtoon_zoom" />
+
 	<SwitchPreferenceCompat
 		android:defaultValue="true"
 		android:key="reader_bar"