Merge pull request #242 from wordpress-mobile/fix/bridge

Send `changed` to the native bridge if html changed since last time

package.json

@@ -91,7 +91,6 @@
     "jsc-android": "224109.x.x",
     "jsdom-jscore": "git+https://github.com/iamcco/jsdom-jscore-rn.git#6eac88dd5d5e7c21ce6382abde7dbc376d7f7f59",
     "jsx-to-string": "^1.3.1",
-    "md5": "^2.2.1",
     "memize": "^1.0.5",
     "moment": "^2.22.1",
     "moment-timezone": "^0.5.16",

src/app/AppContainer.js

@@ -1,12 +1,13 @@
 /** @flow
  * @format */
 
-import MainApp from './MainApp';
 import React from 'react';
 import { parse, serialize } from '@wordpress/blocks';
 import { withDispatch, withSelect } from '@wordpress/data';
 import { compose } from '@wordpress/compose';
 import RNReactNativeGutenbergBridge from 'react-native-gutenberg-bridge';
+
+import MainApp from './MainApp';
 import type { BlockType } from '../store/types';
 
 type PropsType = {
@@ -26,10 +27,14 @@ type PropsType = {
 };
 
 class AppContainer extends React.Component<PropsType> {
+	lastHtmlSent: ?string
+
 	constructor( props: PropsType ) {
 		super( props );
 
 		this.parseBlocksAction( props.initialHtml );
+
+		this.lastHtmlSent = null;
 	}
 
 	onChange = ( clientId, attributes ) => {
@@ -63,7 +68,8 @@ class AppContainer extends React.Component<PropsType> {
 
 	serializeToNativeAction = () => {
 		const html = serialize( this.props.blocks );
-		RNReactNativeGutenbergBridge.provideToNative_Html( html );
+		RNReactNativeGutenbergBridge.provideToNative_Html( html, this.lastHtmlSent !== html );
+		this.lastHtmlSent = html;
 	};
 
 	mergeBlocksAction = ( blockOneClientId, blockTwoClientId ) => {