From ebc780030724e97d59378c52f804440db578869e Mon Sep 17 00:00:00 2001
From: dab246 <tdvu@linagora.com>
Date: Mon, 16 Oct 2023 19:09:36 +0700
Subject: [PATCH] Add lazy loading background-image on web

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit 800f4c8cf4eb484cafebabd1d1051a16a6df4401)
---
 .../utils/html_transformer/transform_configuration.dart        | 3 ++-
 .../views/html_viewer/html_content_viewer_on_web_widget.dart   | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/lib/presentation/utils/html_transformer/transform_configuration.dart b/core/lib/presentation/utils/html_transformer/transform_configuration.dart
index 4ee39adee..12295c42b 100644
--- a/core/lib/presentation/utils/html_transformer/transform_configuration.dart
+++ b/core/lib/presentation/utils/html_transformer/transform_configuration.dart
@@ -1,9 +1,9 @@
 
-import 'package:core/core.dart';
 import 'package:core/presentation/utils/html_transformer/base/dom_transformer.dart';
 import 'package:core/presentation/utils/html_transformer/base/text_transformer.dart';
 import 'package:core/presentation/utils/html_transformer/dom/add_lazy_loading_for_background_image_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/add_target_blank_in_tag_a_transformers.dart';
+import 'package:core/presentation/utils/html_transformer/dom/add_tooltip_link_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/blockcode_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/blockquoted_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/image_transformers.dart';
@@ -11,6 +11,7 @@ import 'package:core/presentation/utils/html_transformer/dom/remove_tooltip_link
 import 'package:core/presentation/utils/html_transformer/dom/script_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/sigature_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/text/sanitize_autolink_html_transformers.dart';
+import 'package:core/utils/platform_info.dart';
 
 /// Contains the configuration for all transformations.
 class TransformConfiguration {
diff --git a/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart b/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
index d650623d0..84405bd82 100644
--- a/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
+++ b/core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
@@ -4,6 +4,7 @@ import 'dart:math' as math;
 
 import 'package:core/presentation/extensions/color_extension.dart';
 import 'package:core/presentation/utils/html_transformer/html_template.dart';
+import 'package:core/presentation/utils/html_transformer/html_utils.dart';
 import 'package:core/presentation/views/html_viewer/html_viewer_controller_for_web.dart';
 import 'package:core/utils/app_logger.dart';
 import 'package:flutter/cupertino.dart';
@@ -170,7 +171,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
       minHeight: minHeight,
       minWidth: minWidth,
       styleCSS: tooltipLinkCss,
-      javaScripts: webViewActionScripts + scriptsDisableZoom,
+      javaScripts: webViewActionScripts + scriptsDisableZoom + HtmlUtils.scriptsHandleLazyLoadingBackgroundImage,
       direction: widget.direction);
 
     return htmlTemplate;