info: landscape layout

lib/widgets/fullscreen/info/basic_section.dart

@@ -0,0 +1,40 @@
+import 'package:aves/model/image_entry.dart';
+import 'package:aves/utils/file_utils.dart';
+import 'package:aves/widgets/fullscreen/info/info_page.dart';
+import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+
+class BasicSection extends StatelessWidget {
+  final ImageEntry entry;
+
+  const BasicSection({
+    Key key,
+    @required this.entry,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final date = entry.bestDate;
+    final dateText = '${DateFormat.yMMMd().format(date)} – ${DateFormat.Hm().format(date)}';
+    final resolutionText = '${entry.width} × ${entry.height}${entry.isVideo ? '' : ' (${entry.megaPixels} MP)'}';
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        InfoRow('Title', entry.title),
+        InfoRow('Date', dateText),
+        if (entry.isVideo) ..._buildVideoRows(),
+        InfoRow('Resolution', resolutionText),
+        InfoRow('Size', formatFilesize(entry.sizeBytes)),
+        InfoRow('Uri', entry.uri),
+        InfoRow('Path', entry.path),
+      ],
+    );
+  }
+
+  List<Widget> _buildVideoRows() {
+    final rotation = entry.catalogMetadata?.videoRotation;
+    if (rotation != null) InfoRow('Rotation', '$rotation°');
+    return [InfoRow('Duration', entry.durationText), if (rotation != null) InfoRow('Rotation', '$rotation°')];
+  }
+}

lib/widgets/fullscreen/info/info_page.dart

@@ -1,11 +1,10 @@
 import 'package:aves/model/image_collection.dart';
 import 'package:aves/model/image_entry.dart';
-import 'package:aves/utils/file_utils.dart';
+import 'package:aves/widgets/fullscreen/info/basic_section.dart';
 import 'package:aves/widgets/fullscreen/info/location_section.dart';
 import 'package:aves/widgets/fullscreen/info/metadata_section.dart';
 import 'package:aves/widgets/fullscreen/info/xmp_section.dart';
 import 'package:flutter/material.dart';
-import 'package:intl/intl.dart';
 
 class InfoPage extends StatefulWidget {
   final ImageCollection collection;
@@ -34,9 +33,8 @@ class InfoPageState extends State<InfoPage> {
 
   @override
   Widget build(BuildContext context) {
-    final date = entry.bestDate;
-    final dateText = '${DateFormat.yMMMd().format(date)} – ${DateFormat.Hm().format(date)}';
-    final resolutionText = '${entry.width} × ${entry.height}${entry.isVideo ? '' : ' (${entry.megaPixels} MP)'}';
+    // use MediaQuery instead of unreliable OrientationBuilder
+    final orientation = MediaQuery.of(context).orientation;
     final bottomInsets = MediaQuery.of(context).viewInsets.bottom;
     return Scaffold(
       appBar: AppBar(
@@ -53,14 +51,19 @@ class InfoPageState extends State<InfoPage> {
           child: ListView(
             padding: EdgeInsets.all(8.0) + EdgeInsets.only(bottom: bottomInsets),
             children: [
-              InfoRow('Title', entry.title),
-              InfoRow('Date', dateText),
-              if (entry.isVideo) ..._buildVideoRows(),
-              InfoRow('Resolution', resolutionText),
-              InfoRow('Size', formatFilesize(entry.sizeBytes)),
-              InfoRow('Path', entry.path),
-              InfoRow('Uri', entry.uri),
-              LocationSection(entry: entry),
+              if (orientation == Orientation.landscape && entry.hasGps)
+                Row(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Expanded(child: BasicSection(entry: entry)),
+                    SizedBox(width: 8),
+                    Expanded(child: LocationSection(entry: entry, showTitle: false)),
+                  ],
+                )
+              else ...[
+                BasicSection(entry: entry),
+                LocationSection(entry: entry, showTitle: true),
+              ],
               XmpTagSection(collection: widget.collection, entry: entry),
               MetadataSection(entry: entry),
             ],
@@ -71,12 +74,6 @@ class InfoPageState extends State<InfoPage> {
     );
   }
 
-  List<Widget> _buildVideoRows() {
-    final rotation = entry.catalogMetadata?.videoRotation;
-    if (rotation != null) InfoRow('Rotation', '$rotation°');
-    return [InfoRow('Duration', entry.durationText), if (rotation != null) InfoRow('Rotation', '$rotation°')];
-  }
-
   bool _handleTopScroll(Notification notification) {
     if (notification is ScrollNotification) {
       if (notification is ScrollStartNotification) {

lib/widgets/fullscreen/info/location_section.dart

@@ -7,8 +7,13 @@ import 'package:google_maps_flutter/google_maps_flutter.dart';
 
 class LocationSection extends AnimatedWidget {
   final ImageEntry entry;
+  final showTitle;
 
-  const LocationSection({Key key, this.entry}) : super(key: key, listenable: entry);
+  const LocationSection({
+    Key key,
+    @required this.entry,
+    @required this.showTitle,
+  }) : super(key: key, listenable: entry);
 
   @override
   Widget build(BuildContext context) {
@@ -17,8 +22,11 @@ class LocationSection extends AnimatedWidget {
         : Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-              SectionRow('Location'),
-              SizedBox(height: 8),
+              if (showTitle)
+                Padding(
+                  padding: EdgeInsets.only(bottom: 8),
+                  child: SectionRow('Location'),
+                ),
               ImageMap(
                 markerId: entry.path,
                 latLng: LatLng(

lib/widgets/fullscreen/info/metadata_section.dart

@@ -44,36 +44,72 @@ class MetadataSectionState extends State<MetadataSection> {
         if (snapshot.connectionState != ConnectionState.done) return SizedBox.shrink();
         final metadataMap = snapshot.data.cast<String, Map>();
         final directoryNames = metadataMap.keys.toList()..sort();
+
+        Widget content;
+        // use MediaQuery instead of unreliable OrientationBuilder
+        final orientation = MediaQuery.of(context).orientation;
+        if (orientation == Orientation.landscape) {
+          final threshold = directoryNames.map((k) => metadataMap[k].length).reduce((v, e) => v + e) / 2;
+          final first = <String>[], second = <String>[];
+          var processed = 0;
+          for (int i = 0; i < directoryNames.length; i++) {
+            final directoryName = directoryNames[i];
+            if (processed <= threshold)
+              first.add(directoryName);
+            else
+              second.add(directoryName);
+            processed += 1 + metadataMap[directoryName].length;
+          }
+          debugPrint('first=$first second=$second');
+          content = Row(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Expanded(child: getMetadataColumn(metadataMap, first)),
+              SizedBox(width: 8),
+              Expanded(child: getMetadataColumn(metadataMap, second)),
+            ],
+          );
+        } else {
+          content = getMetadataColumn(metadataMap, directoryNames);
+        }
+
         return Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
           children: [
             SectionRow('Metadata'),
-            ...directoryNames.expand(
-              (directoryName) {
-                final directory = metadataMap[directoryName];
-                final tagKeys = directory.keys.toList()..sort();
-                return [
-                  if (directoryName.isNotEmpty)
-                    Padding(
-                      padding: EdgeInsets.symmetric(vertical: 4.0),
-                      child: Text(directoryName,
-                          style: TextStyle(
-                            fontSize: 18,
-                            fontFamily: 'Concourse Caps',
-                          )),
-                    ),
-                  ...tagKeys.map((tagKey) {
-                    final value = directory[tagKey] as String;
-                    if (value == null || value.isEmpty) return SizedBox.shrink();
-                    return InfoRow(tagKey, value.length > maxValueLength ? '${value.substring(0, maxValueLength)}…' : value);
-                  }),
-                  SizedBox(height: 16),
-                ];
-              },
-            )
+            content,
           ],
         );
       },
     );
   }
+
+  Widget getMetadataColumn(Map<String, Map> metadataMap, List<String> directoryNames) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        ...directoryNames.expand((directoryName) {
+          final directory = metadataMap[directoryName];
+          final tagKeys = directory.keys.toList()..sort();
+          return [
+            if (directoryName.isNotEmpty)
+              Padding(
+                padding: EdgeInsets.symmetric(vertical: 4.0),
+                child: Text(directoryName,
+                    style: TextStyle(
+                      fontSize: 18,
+                      fontFamily: 'Concourse Caps',
+                    )),
+              ),
+            ...tagKeys.map((tagKey) {
+              final value = directory[tagKey] as String;
+              if (value == null || value.isEmpty) return SizedBox.shrink();
+              return InfoRow(tagKey, value.length > maxValueLength ? '${value.substring(0, maxValueLength)}…' : value);
+            }),
+            SizedBox(height: 16),
+          ];
+        }),
+      ],
+    );
+  }
 }