refactor: Host provides editor settings

android/Gutenberg/src/main/java/org/wordpress/gutenberg/EditorConfiguration.kt

@@ -1,7 +1,6 @@
 package org.wordpress.gutenberg
 
 import android.os.Parcelable
-import android.os.Parcel
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
@@ -60,7 +59,8 @@ open class EditorConfiguration constructor(
     val siteApiNamespace: Array<String>,
     val namespaceExcludedPaths: Array<String>,
     val authHeader: String,
-    val webViewGlobals: List<WebViewGlobal>
+    val webViewGlobals: List<WebViewGlobal>,
+    val editorSettings: String?
 ) : Parcelable {
     companion object {
         @JvmStatic
@@ -81,6 +81,7 @@ open class EditorConfiguration constructor(
         private var namespaceExcludedPaths: Array<String> = arrayOf()
         private var authHeader: String = ""
         private var webViewGlobals: List<WebViewGlobal> = emptyList()
+        private var editorSettings: String? = null
 
         fun setTitle(title: String) = apply { this.title = title }
         fun setContent(content: String) = apply { this.content = content }
@@ -95,6 +96,7 @@ open class EditorConfiguration constructor(
         fun setNamespaceExcludedPaths(namespaceExcludedPaths: Array<String>) = apply { this.namespaceExcludedPaths = namespaceExcludedPaths }
         fun setAuthHeader(authHeader: String) = apply { this.authHeader = authHeader }
         fun setWebViewGlobals(webViewGlobals: List<WebViewGlobal>) = apply { this.webViewGlobals = webViewGlobals }
+        fun setEditorSettings(editorSettings: String?) = apply { this.editorSettings = editorSettings }
 
         fun build(): EditorConfiguration = EditorConfiguration(
             title = title,
@@ -109,7 +111,8 @@ open class EditorConfiguration constructor(
             siteApiNamespace = siteApiNamespace,
             namespaceExcludedPaths = namespaceExcludedPaths,
             authHeader = authHeader,
-            webViewGlobals = webViewGlobals
+            webViewGlobals = webViewGlobals,
+            editorSettings = editorSettings
         )
     }
 
@@ -132,6 +135,7 @@ open class EditorConfiguration constructor(
         if (!namespaceExcludedPaths.contentEquals(other.namespaceExcludedPaths)) return false
         if (authHeader != other.authHeader) return false
         if (webViewGlobals != other.webViewGlobals) return false
+        if (editorSettings != other.editorSettings) return false
 
         return true
     }
@@ -150,6 +154,7 @@ open class EditorConfiguration constructor(
         result = 31 * result + namespaceExcludedPaths.contentHashCode()
         result = 31 * result + authHeader.hashCode()
         result = 31 * result + webViewGlobals.hashCode()
+        result = 31 * result + (editorSettings?.hashCode() ?: 0)
         return result
     }
 }

android/Gutenberg/src/main/java/org/wordpress/gutenberg/GutenbergView.kt

@@ -260,6 +260,7 @@ class GutenbergView : WebView {
 
         val escapedTitle = encodeForEditor(configuration.title)
         val escapedContent = encodeForEditor(configuration.content)
+        val editorSettings = configuration.editorSettings ?: "undefined"
 
         val gbKitConfig = """
             window.GBKit = {
@@ -269,6 +270,7 @@ class GutenbergView : WebView {
                 "authHeader": "${configuration.authHeader}",
                 "themeStyles": ${configuration.themeStyles},
                 "hideTitle": ${configuration.hideTitle},
+                "editorSettings": $editorSettings,
                 ${if (configuration.postId != null) """
                 "post": {
                     "id": ${configuration.postId},