added onImageError callback

gregor · gregor · commit de841bb21707 · 2019-03-25T18:38:13.000+01:00
diff --git a/lib/flutter_html.dart b/lib/flutter_html.dart
@@ -15,6 +15,7 @@ class Html extends StatelessWidget {
     this.customRender,
     this.blockSpacing = 14.0,
     this.useRichText = false,
+    this.onImageError,
   }) : super(key: key);
 
   final String data;
@@ -25,6 +26,7 @@ class Html extends StatelessWidget {
   final bool renderNewlines;
   final double blockSpacing;
   final bool useRichText;
+  final ImageErrorListener onImageError;
 
   /// Either return a custom widget for specific node types or return null to
   /// fallback to the default rendering.
@@ -46,6 +48,7 @@ class Html extends StatelessWidget {
                 onLinkTap: onLinkTap,
                 renderNewlines: renderNewlines,
                 html: data,
+                onImageError: onImageError,
               )
             : HtmlOldParser(
                 width: width,
diff --git a/lib/html_parser.dart b/lib/html_parser.dart
@@ -144,6 +144,7 @@ class HtmlRichTextParser extends StatelessWidget {
     this.onLinkTap,
     this.renderNewlines = false,
     this.html,
+    this.onImageError,
   });
 
   final double indentSize = 10.0;
@@ -152,6 +153,7 @@ class HtmlRichTextParser extends StatelessWidget {
   final onLinkTap;
   final bool renderNewlines;
   final String html;
+  final ImageErrorListener onImageError;
 
   // style elements set a default style
   // for all child nodes
@@ -628,19 +630,15 @@ class HtmlRichTextParser extends StatelessWidget {
                     ),
                   ),
                   buildContext,
-                  onError: (_, stacktrace) {
-                    print(stacktrace);
-                  },
+                  onError: onImageError,
                 );
                 parseContext.rootWidgetList.add(Image.memory(base64.decode(
                     node.attributes['src'].split("base64,")[1].trim())));
               } else {
                 precacheImage(
                   NetworkImage(node.attributes['src']),
                   buildContext,
-                  onError: (_, stacktrace) {
-                    print(stacktrace);
-                  },
+                  onError: onImageError,
                 );
                 parseContext.rootWidgetList
                     .add(Image.network(node.attributes['src']));
