From 923e1d9b8a339b5353ea75e409587ebfd8f80d9f Mon Sep 17 00:00:00 2001
From: ntsekouras <ntsekouras@outlook.com>
Date: Thu, 14 Nov 2024 16:05:00 +0200
Subject: [PATCH] Place "Write mode" functionality behind a Gutenberg
 experiment

---
 lib/experimental/editor-settings.php                 |  3 +++
 lib/experiments-page.php                             | 12 ++++++++++++
 packages/block-editor/src/store/selectors.js         |  3 +++
 .../editor/src/components/document-tools/index.js    |  5 +++--
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/lib/experimental/editor-settings.php b/lib/experimental/editor-settings.php
index afc6d7e220f67..5b36c32b3c829 100644
--- a/lib/experimental/editor-settings.php
+++ b/lib/experimental/editor-settings.php
@@ -37,6 +37,9 @@ function gutenberg_enable_experiments() {
 	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-media-processing', $gutenberg_experiments ) ) {
 		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalMediaProcessing = true', 'before' );
 	}
+	if ( $gutenberg_experiments && array_key_exists( 'gutenberg-editor-write-mode', $gutenberg_experiments ) ) {
+		wp_add_inline_script( 'wp-block-editor', 'window.__experimentalEditorWriteMode = true', 'before' );
+	}
 }
 
 add_action( 'admin_init', 'gutenberg_enable_experiments' );
diff --git a/lib/experiments-page.php b/lib/experiments-page.php
index 946b68283a3e0..9033e3c2d0c1f 100644
--- a/lib/experiments-page.php
+++ b/lib/experiments-page.php
@@ -187,6 +187,18 @@ function gutenberg_initialize_experiments_settings() {
 		)
 	);
 
+	add_settings_field(
+		'gutenberg-editor-write-mode',
+		__( 'Editor write mode', 'gutenberg' ),
+		'gutenberg_display_experiment_field',
+		'gutenberg-experiments',
+		'gutenberg_experiments_section',
+		array(
+			'label' => __( 'Enable write mode in editor.', 'gutenberg' ),
+			'id'    => 'gutenberg-editor-write-mode',
+		)
+	);
+
 	register_setting(
 		'gutenberg-experiments',
 		'gutenberg-experiments'
diff --git a/packages/block-editor/src/store/selectors.js b/packages/block-editor/src/store/selectors.js
index 598b6b4ea480d..ac1d178f43de7 100644
--- a/packages/block-editor/src/store/selectors.js
+++ b/packages/block-editor/src/store/selectors.js
@@ -2774,6 +2774,9 @@ export function isNavigationMode( state ) {
  */
 export const __unstableGetEditorMode = createRegistrySelector(
 	( select ) => ( state ) => {
+		if ( ! window?.__experimentalEditorWriteMode ) {
+			return 'edit';
+		}
 		return (
 			state.settings.editorTool ??
 			select( preferencesStore ).get( 'core', 'editorTool' )
diff --git a/packages/editor/src/components/document-tools/index.js b/packages/editor/src/components/document-tools/index.js
index 74118caaf5849..a98def685e93a 100644
--- a/packages/editor/src/components/document-tools/index.js
+++ b/packages/editor/src/components/document-tools/index.js
@@ -60,8 +60,9 @@ function DocumentTools( { className, disableBlockTools = false } ) {
 			isDistractionFree: get( 'core', 'distractionFree' ),
 			isVisualMode: getEditorMode() === 'visual',
 			showTools:
-				getRenderingMode() !== 'post-only' ||
-				getCurrentPostType() === 'wp_template',
+				!! window?.__experimentalEditorWriteMode &&
+				( getRenderingMode() !== 'post-only' ||
+					getCurrentPostType() === 'wp_template' ),
 		};
 	}, [] );