Receive sharing intent

lib/components/image_bubble.dart

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+import 'package:bubble/bubble.dart';
+import 'package:famedlysdk/famedlysdk.dart';
+import 'package:flutter/material.dart';
+import 'package:fluffychat/utils/matrix_file_extension.dart';
+
+class ImageBubble extends StatefulWidget {
+  final Event event;
+
+  const ImageBubble(this.event, {Key key}) : super(key: key);
+
+  @override
+  _ImageBubbleState createState() => _ImageBubbleState();
+}
+
+class _ImageBubbleState extends State<ImageBubble> {
+  MatrixFile _file;
+  dynamic _error;
+
+  Future<MatrixFile> _getFile() async {
+    if (_file != null) return _file;
+    return widget.event.downloadAndDecryptAttachment();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final int size = 400;
+    return Bubble(
+      padding: BubbleEdges.all(0),
+      radius: Radius.circular(10),
+      elevation: 0,
+      child: Container(
+        height: size.toDouble(),
+        width: size.toDouble(),
+        child: Builder(
+          builder: (BuildContext context) {
+            if (_error != null) {
+              return Center(
+                child: Text(
+                  _error.toString(),
+                ),
+              );
+            }
+            if (_file != null) {
+              return InkWell(
+                onTap: () => _file.open(),
+                child: Image.memory(
+                  _file.bytes,
+                  width: size.toDouble(),
+                  height: size.toDouble(),
+                  fit: BoxFit.fill,
+                ),
+              );
+            }
+            _getFile().then((MatrixFile file) {
+              setState(() => _file = file);
+            }, onError: (error) {
+              setState(() => _error = error);
+            });
+            return Center(
+              child: CircularProgressIndicator(),
+            );
+          },
+        ),
+      ),
+    );
+  }
+}