From 697e01005d3dfc7f23f3a64a8a68cc51ca83ad65 Mon Sep 17 00:00:00 2001
From: dab246 <tdvu@linagora.com>
Date: Thu, 4 Apr 2024 10:01:59 +0700
Subject: [PATCH] TF-2772 Fix print a long mail start with a blank page

---
 ...max_width_in_image_style_transformers.dart | 24 +++++++++++++++++++
 ...remove_style_tag_outside_transformers.dart | 20 ++++++++++++++++
 .../transform_configuration.dart              |  4 ++++
 3 files changed, 48 insertions(+)
 create mode 100644 core/lib/presentation/utils/html_transformer/dom/remove_max_width_in_image_style_transformers.dart
 create mode 100644 core/lib/presentation/utils/html_transformer/dom/remove_style_tag_outside_transformers.dart

diff --git a/core/lib/presentation/utils/html_transformer/dom/remove_max_width_in_image_style_transformers.dart b/core/lib/presentation/utils/html_transformer/dom/remove_max_width_in_image_style_transformers.dart
new file mode 100644
index 000000000..d1ac864cc
--- /dev/null
+++ b/core/lib/presentation/utils/html_transformer/dom/remove_max_width_in_image_style_transformers.dart
@@ -0,0 +1,24 @@
+import 'package:core/data/network/dio_client.dart';
+import 'package:core/presentation/utils/html_transformer/base/dom_transformer.dart';
+import 'package:html/dom.dart';
+
+class RemoveMaxWidthInImageStyleTransformer extends DomTransformer {
+
+  const RemoveMaxWidthInImageStyleTransformer();
+
+  @override
+  Future<void> process({
+    required Document document,
+    required DioClient dioClient,
+    Map<String, String>? mapUrlDownloadCID,
+  }) async {
+    final imageElements = document.querySelectorAll('img[style*="max-width"]');
+    await Future.wait(imageElements.map((imageElement) async {
+      var exStyle = imageElement.attributes['style'];
+      if (exStyle != null) {
+        exStyle = exStyle.replaceAll('max-width:100%;', '');
+        imageElement.attributes['style'] = exStyle;
+      }
+    }));
+  }
+}
\ No newline at end of file
diff --git a/core/lib/presentation/utils/html_transformer/dom/remove_style_tag_outside_transformers.dart b/core/lib/presentation/utils/html_transformer/dom/remove_style_tag_outside_transformers.dart
new file mode 100644
index 000000000..e275ef7fa
--- /dev/null
+++ b/core/lib/presentation/utils/html_transformer/dom/remove_style_tag_outside_transformers.dart
@@ -0,0 +1,20 @@
+import 'package:core/data/network/dio_client.dart';
+import 'package:core/presentation/utils/html_transformer/base/dom_transformer.dart';
+import 'package:html/dom.dart';
+
+class RemoveStyleTagOutsideTransformer extends DomTransformer {
+
+  const RemoveStyleTagOutsideTransformer();
+
+  @override
+  Future<void> process({
+    required Document document,
+    required DioClient dioClient,
+    Map<String, String>? mapUrlDownloadCID,
+  }) async {
+    final styleElements = document.querySelectorAll('style');
+    await Future.wait(styleElements.map((element) async {
+      element.remove();
+    }));
+  }
+}
\ No newline at end of file
diff --git a/core/lib/presentation/utils/html_transformer/transform_configuration.dart b/core/lib/presentation/utils/html_transformer/transform_configuration.dart
index 7519af662..9e1b03cd0 100644
--- a/core/lib/presentation/utils/html_transformer/transform_configuration.dart
+++ b/core/lib/presentation/utils/html_transformer/transform_configuration.dart
@@ -9,6 +9,8 @@ import 'package:core/presentation/utils/html_transformer/dom/blockquoted_transfo
 import 'package:core/presentation/utils/html_transformer/dom/image_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/remove_collapsed_signature_button_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/remove_lazy_loading_for_background_image_transformers.dart';
+import 'package:core/presentation/utils/html_transformer/dom/remove_max_width_in_image_style_transformers.dart';
+import 'package:core/presentation/utils/html_transformer/dom/remove_style_tag_outside_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/remove_tooltip_link_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/script_transformers.dart';
 import 'package:core/presentation/utils/html_transformer/dom/sigature_transformers.dart';
@@ -66,6 +68,8 @@ class TransformConfiguration {
       const RemoveTooltipLinkTransformer(),
     const RemoveLazyLoadingForBackgroundImageTransformer(),
     const RemoveCollapsedSignatureButtonTransformer(),
+    const RemoveStyleTagOutsideTransformer(),
+    const RemoveMaxWidthInImageStyleTransformer(),
   ]);
 
   /// Provides easy access to a standard configuration that does not block external images.