Fix image size issue (#24)

app/lib/main.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'pages/home_page.dart';
 
 void main() {
+  WidgetsFlutterBinding.ensureInitialized();
   runApp(MyApp());
 }
 

app/lib/pages/home_page.dart

@@ -89,11 +89,11 @@ class _HomePageState extends State<HomePage> {
   }
 
   Widget _buildWelcomeEditor(BuildContext context) {
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.stretch,
-      children: <Widget>[
-        Expanded(
-          child: Container(
+    return SafeArea(
+      child: Stack(
+        children: <Widget>[
+          Container(
+            height: MediaQuery.of(context).size.height * 0.88,
             color: Colors.white,
             padding: const EdgeInsets.only(left: 16.0, right: 16.0),
             child: QuillEditor(
@@ -120,13 +120,15 @@ class _HomePageState extends State<HomePage> {
                   sizeSmall: TextStyle(fontSize: 9.0)),
             ),
           ),
-        ),
-        Container(
-          child: QuillToolbar.basic(
-              controller: _controller,
-              uploadFileCallback: _fakeUploadImageCallBack),
-        )
-      ],
+          Container(
+            padding:
+                EdgeInsets.only(top: MediaQuery.of(context).size.height * 0.9),
+            child: QuillToolbar.basic(
+                controller: _controller,
+                uploadFileCallback: _fakeUploadImageCallBack),
+          )
+        ],
+      ),
     );
   }
 

app/pubspec.lock

@@ -43,6 +43,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.2"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -93,6 +114,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.14.0+4"
   http:
     dependency: transitive
     description:
@@ -252,6 +280,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  universal_html:
+    dependency: transitive
+    description:
+      name: universal_html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.4"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   url_launcher:
     dependency: transitive
     description:
@@ -301,6 +343,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  zone_local:
+    dependency: transitive
+    description:
+      name: zone_local
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
 sdks:
   dart: ">=2.12.0-0.0 <3.0.0"
   flutter: ">=1.22.0"

lib/widgets/FakeUi.dart

@@ -0,0 +1,4 @@
+// ignore: camel_case_types
+class platformViewRegistry {
+  static registerViewFactory(String viewId, dynamic cb) {}
+}

lib/widgets/RealUi.dart

@@ -0,0 +1,9 @@
+import 'dart:ui' as ui;
+
+// ignore: camel_case_types
+class platformViewRegistry {
+  static registerViewFactory(String viewId, dynamic cb) {
+    // ignore:undefined_prefixed_name
+    ui.platformViewRegistry.registerViewFactory(viewId, cb);
+  }
+}

lib/widgets/editor.dart

@@ -1,7 +1,5 @@
-import 'dart:html' as html;
-import 'dart:io';
+import 'dart:io' as io;
 import 'dart:math' as math;
-import 'dart:ui' as ui;
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -19,9 +17,12 @@ import 'package:flutter_quill/models/documents/nodes/line.dart';
 import 'package:flutter_quill/models/documents/nodes/node.dart';
 import 'package:flutter_quill/widgets/image.dart';
 import 'package:flutter_quill/widgets/raw_editor.dart';
+import 'package:flutter_quill/widgets/responsive_widget.dart';
 import 'package:flutter_quill/widgets/text_selection.dart';
+import 'package:universal_html/prefer_universal/html.dart' as html;
 import 'package:url_launcher/url_launcher.dart';
 
+import 'FakeUi.dart' if (dart.library.html) 'RealUi.dart' as ui;
 import 'box.dart';
 import 'controller.dart';
 import 'cursor.dart';
@@ -79,25 +80,43 @@ abstract class RenderAbstractEditor {
 Widget _defaultEmbedBuilder(BuildContext context, leaf.Embed node) {
   switch (node.value.type) {
     case 'image':
-      if (kIsWeb) {
-        String imageUrl = node.value.data;
+      String imageUrl = node.value.data;
+      return imageUrl.startsWith('http')
+          ? Image.network(imageUrl)
+          : Image.file(io.File(imageUrl));
+    default:
+      throw UnimplementedError(
+          'Embeddable type "${node.value.type}" is not supported by default embed '
+          'builder of QuillEditor. You must pass your own builder function to '
+          'embedBuilder property of QuillEditor or QuillField widgets.');
+  }
+}
 
-        ui.platformViewRegistry.registerViewFactory(
-          imageUrl,
-          (int viewId) => html.ImageElement()..src = imageUrl,
-        );
-        return Container(
-          constraints: BoxConstraints(maxWidth: 300),
-          height: MediaQuery.of(context).size.height,
+Widget _defaultEmbedBuilderWeb(BuildContext context, leaf.Embed node) {
+  switch (node.value.type) {
+    case 'image':
+      String imageUrl = node.value.data;
+      Size size = MediaQuery.of(context).size;
+      ui.platformViewRegistry.registerViewFactory(
+        imageUrl,
+        (int viewId) => html.ImageElement()..src = imageUrl,
+      );
+      return Padding(
+        padding: EdgeInsets.only(
+          right: ResponsiveWidget.isMediumScreen(context)
+              ? size.width * 0.5
+              : (ResponsiveWidget.isLargeScreen(context))
+                  ? size.width * 0.75
+                  : size.width * 0.2,
+        ),
+        child: SizedBox(
+          height: MediaQuery.of(context).size.height * 0.45,
           child: HtmlElementView(
             viewType: imageUrl,
           ),
-        );
-      }
-      String imageUrl = node.value.data;
-      return imageUrl.startsWith('http')
-          ? Image.network(imageUrl)
-          : Image.file(File(imageUrl));
+        ),
+      );
+
     default:
       throw UnimplementedError(
           'Embeddable type "${node.value.type}" is not supported by default embed '
@@ -144,7 +163,8 @@ class QuillEditor extends StatefulWidget {
       this.keyboardAppearance = Brightness.light,
       this.scrollPhysics,
       this.onLaunchUrl,
-      this.embedBuilder = _defaultEmbedBuilder})
+      this.embedBuilder =
+          kIsWeb ? _defaultEmbedBuilderWeb : _defaultEmbedBuilder})
       : assert(controller != null),
         assert(scrollController != null),
         assert(scrollable != null),
@@ -383,7 +403,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
             builder: (context) => ImageTapWrapper(
                 imageProvider: imageUrl.startsWith('http')
                     ? NetworkImage(imageUrl)
-                    : FileImage(File(blockEmbed.data))),
+                    : FileImage(io.File(blockEmbed.data))),
           ),
         );
       }

lib/widgets/responsive_widget.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+
+class ResponsiveWidget extends StatelessWidget {
+  final Widget largeScreen;
+  final Widget mediumScreen;
+  final Widget smallScreen;
+
+  const ResponsiveWidget(
+      {Key key,
+      @required this.largeScreen,
+      this.mediumScreen,
+      this.smallScreen})
+      : super(key: key);
+
+  static bool isSmallScreen(BuildContext context) {
+    return MediaQuery.of(context).size.width < 800;
+  }
+
+  static bool isLargeScreen(BuildContext context) {
+    return MediaQuery.of(context).size.width > 1200;
+  }
+
+  static bool isMediumScreen(BuildContext context) {
+    return MediaQuery.of(context).size.width >= 800 &&
+        MediaQuery.of(context).size.width <= 1200;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        if (constraints.maxWidth > 1200) {
+          return largeScreen;
+        } else if (constraints.maxWidth <= 1200 &&
+            constraints.maxWidth >= 800) {
+          return mediumScreen ?? largeScreen;
+        } else {
+          return smallScreen ?? largeScreen;
+        }
+      },
+    );
+  }
+}

pubspec.lock

@@ -7,49 +7,70 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety.1"
+    version: "2.5.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
   collection:
     dependency: "direct main"
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.3"
+    version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.2"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -79,6 +100,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.14.0+4"
   http:
     dependency: transitive
     description:
@@ -107,27 +135,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety.1"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.1"
+    version: "1.8.0"
   pedantic:
     dependency: transitive
     description:
@@ -181,42 +216,42 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.2"
+    version: "1.8.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0-nullsafety.1"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19-nullsafety.2"
+    version: "0.2.19"
   tuple:
     dependency: "direct main"
     description:
@@ -230,7 +265,21 @@ packages:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
+  universal_html:
+    dependency: "direct main"
+    description:
+      name: universal_html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.4"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   url_launcher:
     dependency: "direct main"
     description:
@@ -279,7 +328,14 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
+  zone_local:
+    dependency: transitive
+    description:
+      name: zone_local
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
 sdks:
-  dart: ">=2.10.0-110 <2.11.0"
-  flutter: ">=1.22.0 <2.0.0"
+  dart: ">=2.12.0-0.0 <3.0.0"
+  flutter: ">=1.22.0"

pubspec.yaml

@@ -20,6 +20,7 @@ dependencies:
   flutter_colorpicker: ^0.3.4
   image_picker: ^0.6.7+17
   photo_view: ^0.10.3
+  universal_html: ^1.2.1
 
 dev_dependencies:
   flutter_test: