add custom-double-tap-length patch

src/main/kotlin/app/revanced/patches/youtube/layout/etc/doubletaplength/patch/DoubleTapLengthPatch.kt

@@ -0,0 +1,67 @@
+package app.revanced.patches.youtube.layout.etc.doubletaplength.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.ResourceContext
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultError
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patcher.patch.ResourcePatch
+import app.revanced.patcher.patch.annotations.DependsOn
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patches.shared.annotation.YouTubeCompatibility
+import app.revanced.patches.shared.patch.options.PatchOptions
+import app.revanced.patches.youtube.misc.settings.resource.patch.SettingsPatch
+import app.revanced.util.resources.ResourceHelper.addEntryValues
+import app.revanced.util.resources.ResourceUtils
+import app.revanced.util.resources.ResourceUtils.copyResources
+import app.revanced.util.resources.ResourceUtils.copyXmlNode
+
+@Patch
+@Name("custom-double-tap-length")
+@Description("Add 'double-tap to seek' value.")
+@DependsOn(
+    [
+        PatchOptions::class,
+        SettingsPatch::class
+    ]
+)
+@YouTubeCompatibility
+@Version("0.0.1")
+class DoubleTapLengthPatch : ResourcePatch {
+    override fun execute(context: ResourceContext): PatchResult {
+
+        /**
+         * Copy arrays
+         */
+        context.copyResources(
+            "youtube/doubletap",
+            ResourceUtils.ResourceGroup(
+                "values-v21",
+                "arrays.xml"
+            )
+        )
+
+        val speed = PatchOptions.CustomDoubleTapLengthArrays
+            ?: return PatchResultError("Invalid double-tap length array.")
+
+        val splits = speed.replace(" ","").split(",")
+        if (splits.isEmpty()) throw IllegalArgumentException("Invalid speed elements")
+        val speedElements = splits.map { it }
+        for (index in 0 until splits.count()) {
+            context.addEntryValues(TARGET_ARRAY_PATH, speedElements[index], TARGET_ENTRY_VALUE_NAME)
+            context.addEntryValues(TARGET_ARRAY_PATH, speedElements[index], TARGET_ENTRIES_NAME)
+        }
+
+        SettingsPatch.updatePatchStatus("custom-double-tap-length")
+
+        return PatchResultSuccess()
+    }
+
+    private companion object {
+        private const val TARGET_ARRAY_PATH = "res/values-v21/arrays.xml"
+        private const val TARGET_ENTRIES_NAME = "double_tap_length_entries"
+        private const val TARGET_ENTRY_VALUE_NAME = "double_tap_length_values"
+    }
+}