♻️ Improve file viewing experience

lib/screens/files/file_detail.dart

@@ -1,28 +1,19 @@
-import 'dart:io';
-
-import 'package:file_saver/file_saver.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
-import 'package:gal/gal.dart';
 import 'package:gap/gap.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:island/models/file.dart';
 import 'package:island/pods/config.dart';
 import 'package:island/pods/drive/file_references.dart';
-import 'package:island/pods/network.dart';
+import 'package:island/services/file_download.dart';
-import 'package:island/pods/drive/upload_tasks.dart';
-import 'package:island/models/drive_task.dart';
 import 'package:island/services/responsive.dart';
 import 'package:island/services/time.dart';
-import 'package:island/widgets/alert.dart';
 import 'package:island/widgets/app_scaffold.dart';
 import 'package:island/widgets/content/file_info_sheet.dart';
 import 'package:island/widgets/content/file_viewer_contents.dart';
 import 'package:island/widgets/content/sheet.dart';
-import 'package:path/path.dart' show extension;
-import 'package:path_provider/path_provider.dart';
 import 'package:styled_widget/styled_widget.dart';
 
 class FileDetailScreen extends HookConsumerWidget {
@@ -155,7 +146,7 @@ class FileDetailScreen extends HookConsumerWidget {
           actions.add(
             IconButton(
               icon: Icon(Icons.save_alt),
-              onPressed: () async => _saveToGallery(ref),
+              onPressed: () => FileDownloadService(ref).saveToGallery(item),
             ),
           );
         }
@@ -166,7 +157,8 @@ class FileDetailScreen extends HookConsumerWidget {
           actions.add(
             IconButton(
               icon: Icon(Icons.save_alt),
-              onPressed: () async => _downloadFile(ref),
+              onPressed: () =>
+                  FileDownloadService(ref).downloadWithProgress(item),
             ),
           );
         }
@@ -199,80 +191,6 @@ class FileDetailScreen extends HookConsumerWidget {
     return actions;
   }
 
-  Future<void> _saveToGallery(WidgetRef ref) async {
-    try {
-      showSnackBar('Saving image...');
-
-      final client = ref.read(apiClientProvider);
-      final tempDir = await getTemporaryDirectory();
-      var extName = extension(item.name).trim();
-      if (extName.isEmpty) {
-        extName = item.mimeType?.split('/').lastOrNull ?? 'jpeg';
-      }
-      final filePath = '${tempDir.path}/${item.id}.$extName';
-
-      await client.download(
-        '/drive/files/${item.id}',
-        filePath,
-        queryParameters: {'original': true},
-      );
-      if (!kIsWeb && (Platform.isAndroid || Platform.isIOS)) {
-        await Gal.putImage(filePath, album: 'Solar Network');
-        showSnackBar('Image saved to gallery');
-      } else {
-        await FileSaver.instance.saveFile(
-          name: item.name.isEmpty ? '${item.id}.$extName' : item.name,
-          file: File(filePath),
-        );
-        showSnackBar('Image saved to $filePath');
-      }
-    } catch (e) {
-      showErrorAlert(e);
-    }
-  }
-
-  Future<void> _downloadFile(WidgetRef ref) async {
-    final taskNotifier = ref.read(uploadTasksProvider.notifier);
-    final taskId = taskNotifier.addLocalDownloadTask(item);
-    try {
-      showSnackBar('Downloading file...');
-
-      final client = ref.read(apiClientProvider);
-      final tempDir = await getTemporaryDirectory();
-      var extName = extension(item.name).trim();
-      if (extName.isEmpty) {
-        extName = item.mimeType?.split('/').lastOrNull ?? 'bin';
-      }
-      final filePath = '${tempDir.path}/${item.id}.$extName';
-
-      await client.download(
-        '/drive/files/${item.id}',
-        filePath,
-        queryParameters: {'original': true},
-        onReceiveProgress: (count, total) {
-          if (total > 0) {
-            taskNotifier.updateDownloadProgress(taskId, count, total);
-            taskNotifier.updateTransmissionProgress(taskId, count / total);
-          }
-        },
-      );
-
-      await FileSaver.instance.saveFile(
-        name: item.name.isEmpty ? '${item.id}.$extName' : item.name,
-        file: File(filePath),
-      );
-      taskNotifier.updateTaskStatus(taskId, DriveTaskStatus.completed);
-      showSnackBar('File saved to downloads');
-    } catch (e) {
-      taskNotifier.updateTaskStatus(
-        taskId,
-        DriveTaskStatus.failed,
-        errorMessage: e.toString(),
-      );
-      showErrorAlert(e);
-    }
-  }
-
   Widget _buildContent(BuildContext context, WidgetRef ref, String serverUrl) {
     final uri = '$serverUrl/drive/files/${item.id}';
 

lib/services/file_download.dart

@@ -0,0 +1,128 @@
+import 'dart:io';
+
+import 'package:file_saver/file_saver.dart';
+import 'package:flutter/foundation.dart';
+import 'package:gal/gal.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/models/drive_task.dart';
+import 'package:island/models/file.dart';
+import 'package:island/pods/drive/upload_tasks.dart';
+import 'package:island/pods/network.dart';
+import 'package:island/widgets/alert.dart';
+import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
+
+class FileDownloadService {
+  final WidgetRef ref;
+
+  FileDownloadService(this.ref);
+
+  String _getFileExtension(SnCloudFile item) {
+    var extName = p.extension(item.name).trim();
+    if (extName.isEmpty) {
+      extName = item.mimeType?.split('/').lastOrNull ?? 'jpeg';
+    }
+    return extName.replaceFirst('.', '');
+  }
+
+  String _getFileName(SnCloudFile item, String extName) {
+    return item.name.isEmpty ? '${item.id}.$extName' : item.name;
+  }
+
+  Future<String> _downloadToTemp(SnCloudFile item, String extName) async {
+    final client = ref.read(apiClientProvider);
+    final tempDir = await getTemporaryDirectory();
+    final filePath = '${tempDir.path}/${item.id}.$extName';
+
+    await client.download(
+      '/drive/files/${item.id}',
+      filePath,
+      queryParameters: {'original': true},
+    );
+
+    return filePath;
+  }
+
+  Future<void> saveToGallery(SnCloudFile item) async {
+    try {
+      showSnackBar('Saving image...');
+
+      final extName = _getFileExtension(item);
+      final filePath = await _downloadToTemp(item, extName);
+
+      if (!kIsWeb && (Platform.isAndroid || Platform.isIOS)) {
+        await Gal.putImage(filePath, album: 'Solar Network');
+        showSnackBar('Image saved to gallery');
+      } else {
+        await FileSaver.instance.saveFile(
+          name: _getFileName(item, extName),
+          file: File(filePath),
+        );
+        showSnackBar('Image saved to downloads');
+      }
+    } catch (e) {
+      showErrorAlert(e);
+    }
+  }
+
+  Future<void> downloadFile(SnCloudFile item) async {
+    try {
+      showSnackBar('Downloading file...');
+
+      final extName = _getFileExtension(item);
+      final filePath = await _downloadToTemp(item, extName);
+
+      await FileSaver.instance.saveFile(
+        name: _getFileName(item, extName),
+        file: File(filePath),
+      );
+      showSnackBar('File saved to downloads');
+    } catch (e) {
+      showErrorAlert(e);
+    }
+  }
+
+  Future<void> downloadWithProgress(
+    SnCloudFile item, {
+    void Function(int received, int total)? onProgress,
+  }) async {
+    final taskNotifier = ref.read(uploadTasksProvider.notifier);
+    final taskId = taskNotifier.addLocalDownloadTask(item);
+
+    try {
+      showSnackBar('Downloading file...');
+
+      final client = ref.read(apiClientProvider);
+      final extName = _getFileExtension(item);
+      final tempDir = await getTemporaryDirectory();
+      final filePath = '${tempDir.path}/${item.id}.$extName';
+
+      await client.download(
+        '/drive/files/${item.id}',
+        filePath,
+        queryParameters: {'original': true},
+        onReceiveProgress: (count, total) {
+          onProgress?.call(count, total);
+          if (total > 0) {
+            taskNotifier.updateDownloadProgress(taskId, count, total);
+            taskNotifier.updateTransmissionProgress(taskId, count / total);
+          }
+        },
+      );
+
+      await FileSaver.instance.saveFile(
+        name: _getFileName(item, extName),
+        file: File(filePath),
+      );
+      taskNotifier.updateTaskStatus(taskId, DriveTaskStatus.completed);
+      showSnackBar('File saved to downloads');
+    } catch (e) {
+      taskNotifier.updateTaskStatus(
+        taskId,
+        DriveTaskStatus.failed,
+        errorMessage: e.toString(),
+      );
+      showErrorAlert(e);
+    }
+  }
+}

lib/widgets/content/cloud_file_lightbox.dart

@@ -1,23 +1,16 @@
-import 'dart:io';
-import 'dart:math' as math;
-
 import 'package:dismissible_page/dismissible_page.dart';
-import 'package:file_saver/file_saver.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
-import 'package:gal/gal.dart';
-import 'package:gap/gap.dart';
 import 'package:go_router/go_router.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:island/models/file.dart';
 import 'package:island/pods/config.dart';
-import 'package:island/pods/network.dart';
+import 'package:island/services/file_download.dart';
-import 'package:island/widgets/alert.dart';
+import 'package:island/widgets/content/file_action_button.dart';
 import 'package:island/widgets/content/file_info_sheet.dart';
+import 'package:island/widgets/content/image_control_overlay.dart';
 import 'package:material_symbols_icons/symbols.dart';
-import 'package:path/path.dart' show extension;
-import 'package:path_provider/path_provider.dart';
 import 'package:photo_view/photo_view.dart';
 
 import 'cloud_files.dart';
@@ -39,42 +32,8 @@ class CloudFileLightbox extends HookConsumerWidget {
 
     final showOriginal = useState(false);
 
-    Future<void> saveToGallery() async {
+    void saveToGallery() {
-      try {
+      FileDownloadService(ref).saveToGallery(item);
-        // Show loading indicator
-        showSnackBar('Saving image...');
-
-        // Get the image URL
-        final client = ref.watch(apiClientProvider);
-
-        // Create a temporary file to save the image
-        final tempDir = await getTemporaryDirectory();
-        var extName = extension(item.name).trim();
-        if (extName.isEmpty) {
-          extName = item.mimeType?.split('/').lastOrNull ?? 'jpeg';
-        }
-        final filePath = '${tempDir.path}/${item.id}.$extName';
-
-        await client.download(
-          '/drive/files/${item.id}',
-          filePath,
-          queryParameters: {'original': true},
-        );
-        if (!kIsWeb && (Platform.isAndroid || Platform.isIOS)) {
-          // Save to gallery
-          await Gal.putImage(filePath, album: 'Solar Network');
-          // Show success message
-          showSnackBar('Image saved to gallery');
-        } else {
-          await FileSaver.instance.saveFile(
-            name: item.name.isEmpty ? '${item.id}.$extName' : item.name,
-            file: File(filePath),
-          );
-          showSnackBar('Image saved to $filePath');
-        }
-      } catch (e) {
-        showErrorAlert(e);
-      }
     }
 
     void showInfoSheet() {
@@ -86,10 +45,6 @@ class CloudFileLightbox extends HookConsumerWidget {
       );
     }
 
-    final shadow = [
-      Shadow(color: Colors.black54, blurRadius: 5.0, offset: Offset(1.0, 1.0)),
-    ];
-
     return DismissiblePage(
       isFullScreen: true,
       backgroundColor: Colors.transparent,
@@ -128,15 +83,9 @@ class CloudFileLightbox extends HookConsumerWidget {
                 Row(
                   children: [
                     if (!kIsWeb)
-                      IconButton(
+                      FileActionButton.save(
-                        icon: Icon(
+                        onPressed: saveToGallery,
-                          Icons.save_alt,
+                        shadows: WhiteShadows.standard,
-                          color: Colors.white,
-                          shadows: shadow,
-                        ),
-                        onPressed: () async {
-                          saveToGallery();
-                        },
                       ),
                     IconButton(
                       onPressed: () {
@@ -145,34 +94,31 @@ class CloudFileLightbox extends HookConsumerWidget {
                       icon: Icon(
                         showOriginal.value ? Symbols.hd : Symbols.sd,
                         color: Colors.white,
-                        shadows: shadow,
+                        shadows: WhiteShadows.standard,
                       ),
                     ),
                   ],
                 ),
-                IconButton(
+                FileActionButton.close(
-                  icon: Icon(Icons.close, color: Colors.white, shadows: shadow),
                   onPressed: () => Navigator.of(context).pop(),
+                  shadows: WhiteShadows.standard,
                 ),
               ],
             ),
           ),
-          // Rotation controls
+          ImageControlOverlay(
-          Positioned(
+            photoViewController: photoViewController,
-            bottom: MediaQuery.of(context).padding.bottom + 16,
+            rotation: rotation,
-            left: 16,
+            showOriginal: showOriginal.value,
-            right: 16,
+            onToggleQuality: () {
-            child: Row(
+              showOriginal.value = !showOriginal.value;
-              children: [
+            },
-                IconButton(
+            extraButtons: [
-                  icon: Icon(
+              FileActionButton.info(
-                    Icons.info_outline,
-                    color: Colors.white,
-                    shadows: shadow,
-                  ),
                 onPressed: showInfoSheet,
+                shadows: WhiteShadows.standard,
               ),
-                IconButton(
+              FileActionButton.more(
                 onPressed: () {
                   final router = GoRouter.of(context);
                   Navigator.of(context).pop(context);
@@ -184,64 +130,10 @@ class CloudFileLightbox extends HookConsumerWidget {
                     );
                   });
                 },
-                  icon: Icon(
+                shadows: WhiteShadows.standard,
-                    Icons.more_horiz,
-                    color: Colors.white,
-                    shadows: shadow,
-                  ),
-                ),
-                Spacer(),
-                IconButton(
-                  icon: Icon(
-                    Icons.remove,
-                    color: Colors.white,
-                    shadows: shadow,
-                  ),
-                  onPressed: () {
-                    photoViewController.scale =
-                        (photoViewController.scale ?? 1) - 0.05;
-                  },
-                ),
-                IconButton(
-                  icon: Icon(Icons.add, color: Colors.white, shadows: shadow),
-                  onPressed: () {
-                    photoViewController.scale =
-                        (photoViewController.scale ?? 1) + 0.05;
-                  },
-                ),
-                const Gap(8),
-                IconButton(
-                  icon: Icon(
-                    Icons.rotate_left,
-                    color: Colors.white,
-                    shadows: shadow,
-                  ),
-                  onPressed: () {
-                    rotation.value = (rotation.value - 1) % 4;
-                    photoViewController.rotation =
-                        rotation.value * -math.pi / 2;
-                  },
-                ),
-                IconButton(
-                  icon: Icon(
-                    Icons.rotate_right,
-                    color: Colors.white,
-                    shadows: [
-                      Shadow(
-                        color: Colors.black54,
-                        blurRadius: 5.0,
-                        offset: Offset(1.0, 1.0),
               ),
             ],
-                  ),
+            showExtraOnLeft: true,
-                  onPressed: () {
-                    rotation.value = (rotation.value + 1) % 4;
-                    photoViewController.rotation =
-                        rotation.value * -math.pi / 2;
-                  },
-                ),
-              ],
-            ),
           ),
         ],
       ),

lib/widgets/content/file_action_button.dart

@@ -0,0 +1,108 @@
+import 'package:flutter/material.dart';
+
+enum FileActionType { save, info, more, close, custom }
+
+class FileActionButton extends StatelessWidget {
+  final FileActionType type;
+  final IconData? icon;
+  final VoidCallback onPressed;
+  final Color? color;
+  final List<Shadow>? shadows;
+  final String? tooltip;
+
+  const FileActionButton({
+    super.key,
+    required this.type,
+    required this.onPressed,
+    this.icon,
+    this.color,
+    this.shadows,
+    this.tooltip,
+  });
+
+  factory FileActionButton.save({
+    Key? key,
+    required VoidCallback onPressed,
+    Color? color,
+    List<Shadow>? shadows,
+  }) {
+    return FileActionButton(
+      key: key,
+      type: FileActionType.save,
+      icon: Icons.save_alt,
+      onPressed: onPressed,
+      color: color ?? Colors.white,
+      shadows: shadows,
+    );
+  }
+
+  factory FileActionButton.info({
+    Key? key,
+    required VoidCallback onPressed,
+    Color? color,
+    List<Shadow>? shadows,
+  }) {
+    return FileActionButton(
+      key: key,
+      type: FileActionType.info,
+      icon: Icons.info_outline,
+      onPressed: onPressed,
+      color: color ?? Colors.white,
+      shadows: shadows,
+    );
+  }
+
+  factory FileActionButton.more({
+    Key? key,
+    required VoidCallback onPressed,
+    Color? color,
+    List<Shadow>? shadows,
+  }) {
+    return FileActionButton(
+      key: key,
+      type: FileActionType.more,
+      icon: Icons.more_horiz,
+      onPressed: onPressed,
+      color: color ?? Colors.white,
+      shadows: shadows,
+    );
+  }
+
+  factory FileActionButton.close({
+    Key? key,
+    required VoidCallback onPressed,
+    Color? color,
+    List<Shadow>? shadows,
+  }) {
+    return FileActionButton(
+      key: key,
+      type: FileActionType.close,
+      icon: Icons.close,
+      onPressed: onPressed,
+      color: color ?? Colors.white,
+      shadows: shadows,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final buttonIcon = icon ?? Icons.circle;
+
+    final button = IconButton(
+      icon: Icon(buttonIcon, color: color, shadows: shadows),
+      onPressed: onPressed,
+    );
+
+    if (tooltip != null) {
+      return Tooltip(message: tooltip!, child: button);
+    }
+
+    return button;
+  }
+}
+
+class WhiteShadows {
+  static List<Shadow> get standard => [
+    Shadow(color: Colors.black54, blurRadius: 5.0, offset: Offset(1.0, 1.0)),
+  ];
+}

lib/widgets/content/file_viewer_contents.dart

@@ -2,7 +2,6 @@ import 'dart:io';
 import 'dart:math' as math;
 
 import 'package:easy_localization/easy_localization.dart';
-import 'package:file_saver/file_saver.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_cache_manager/flutter_cache_manager.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
@@ -11,15 +10,14 @@ import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:island/models/file.dart';
 import 'package:island/pods/config.dart';
 import 'package:island/pods/network.dart';
+import 'package:island/services/file_download.dart';
 import 'package:island/utils/format.dart';
-import 'package:island/widgets/alert.dart';
 import 'package:island/widgets/content/audio.dart';
 import 'package:island/widgets/content/cloud_files.dart';
 import 'package:island/widgets/content/file_info_sheet.dart';
+import 'package:island/widgets/content/image_control_overlay.dart';
 import 'package:island/widgets/content/video.dart';
 import 'package:material_symbols_icons/symbols.dart';
-import 'package:path/path.dart' show extension;
-import 'package:path_provider/path_provider.dart';
 import 'package:photo_view/photo_view.dart';
 import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 
@@ -140,10 +138,6 @@ class ImageFileContent extends HookConsumerWidget {
     final rotation = useState(0);
     final showOriginal = useState(false);
 
-    final shadow = [
-      Shadow(color: Colors.black54, blurRadius: 5.0, offset: Offset(1.0, 1.0)),
-    ];
-
     return Stack(
       children: [
         Positioned.fill(
@@ -156,8 +150,9 @@ class ImageFileContent extends HookConsumerWidget {
                 if (delta != null && delta != 0) {
                   final currentScale = photoViewController.scale ?? 1.0;
                   // Adjust scale based on scroll direction (invert for natural zoom)
-                  final newScale =
+                  final newScale = delta > 0
-                      delta > 0 ? currentScale * 0.9 : currentScale * 1.1;
+                      ? currentScale * 0.9
+                      : currentScale * 1.1;
                   // Clamp scale to reasonable bounds
                   final clampedScale = newScale.clamp(0.1, 10.0);
                   photoViewController.scale = clampedScale;
@@ -182,63 +177,13 @@ class ImageFileContent extends HookConsumerWidget {
             ),
           ),
         ),
-        // Controls overlay
+        ImageControlOverlay(
-        Positioned(
+          photoViewController: photoViewController,
-          bottom: MediaQuery.of(context).padding.bottom + 16,
+          rotation: rotation,
-          left: 16,
+          showOriginal: showOriginal.value,
-          right: 16,
+          onToggleQuality: () {
-          child: Row(
-            children: [
-              IconButton(
-                icon: Icon(Icons.remove, color: Colors.white, shadows: shadow),
-                onPressed: () {
-                  photoViewController.scale =
-                      (photoViewController.scale ?? 1) - 0.05;
-                },
-              ),
-              IconButton(
-                icon: Icon(Icons.add, color: Colors.white, shadows: shadow),
-                onPressed: () {
-                  photoViewController.scale =
-                      (photoViewController.scale ?? 1) + 0.05;
-                },
-              ),
-              const Gap(8),
-              IconButton(
-                icon: Icon(
-                  Icons.rotate_left,
-                  color: Colors.white,
-                  shadows: shadow,
-                ),
-                onPressed: () {
-                  rotation.value = (rotation.value - 1) % 4;
-                  photoViewController.rotation = rotation.value * -math.pi / 2;
-                },
-              ),
-              IconButton(
-                icon: Icon(
-                  Icons.rotate_right,
-                  color: Colors.white,
-                  shadows: shadow,
-                ),
-                onPressed: () {
-                  rotation.value = (rotation.value + 1) % 4;
-                  photoViewController.rotation = rotation.value * -math.pi / 2;
-                },
-              ),
-              const Spacer(),
-              IconButton(
-                onPressed: () {
             showOriginal.value = !showOriginal.value;
           },
-                icon: Icon(
-                  showOriginal.value ? Symbols.hd : Symbols.sd,
-                  color: Colors.white,
-                  shadows: shadow,
-                ),
-              ),
-            ],
-          ),
         ),
       ],
     );
@@ -253,8 +198,7 @@ class VideoFileContent extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    var ratio =
+    var ratio = item.fileMeta?['ratio'] is num
-        item.fileMeta?['ratio'] is num
         ? item.fileMeta!['ratio'].toDouble()
         : 1.0;
     if (ratio == 0) ratio = 1.0;
@@ -294,34 +238,6 @@ class GenericFileContent extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    Future<void> downloadFile() async {
-      try {
-        showSnackBar('Downloading file...');
-
-        final client = ref.read(apiClientProvider);
-        final tempDir = await getTemporaryDirectory();
-        var extName = extension(item.name).trim();
-        if (extName.isEmpty) {
-          extName = item.mimeType?.split('/').lastOrNull ?? 'bin';
-        }
-        final filePath = '${tempDir.path}/${item.id}.$extName';
-
-        await client.download(
-          '/drive/files/${item.id}',
-          filePath,
-          queryParameters: {'original': true},
-        );
-
-        await FileSaver.instance.saveFile(
-          name: item.name.isEmpty ? '${item.id}.$extName' : item.name,
-          file: File(filePath),
-        );
-        showSnackBar('File saved to downloads');
-      } catch (e) {
-        showErrorAlert(e);
-      }
-    }
-
     return Center(
       child: Column(
         mainAxisSize: MainAxisSize.min,
@@ -354,7 +270,7 @@ class GenericFileContent extends HookConsumerWidget {
             mainAxisSize: MainAxisSize.min,
             children: [
               FilledButton.icon(
-                onPressed: downloadFile,
+                onPressed: () => FileDownloadService(ref).downloadFile(item),
                 icon: const Icon(Symbols.download),
                 label: Text('download').tr(),
               ),

lib/widgets/content/image_control_overlay.dart

@@ -0,0 +1,86 @@
+import 'dart:math' as math;
+
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:gap/gap.dart';
+import 'package:photo_view/photo_view.dart';
+import 'package:material_symbols_icons/symbols.dart';
+
+class ImageControlOverlay extends HookWidget {
+  final PhotoViewController photoViewController;
+  final ValueNotifier<int> rotation;
+  final bool showOriginal;
+  final VoidCallback onToggleQuality;
+  final List<Widget>? extraButtons;
+  final bool showExtraOnLeft;
+
+  const ImageControlOverlay({
+    super.key,
+    required this.photoViewController,
+    required this.rotation,
+    required this.showOriginal,
+    required this.onToggleQuality,
+    this.extraButtons,
+    this.showExtraOnLeft = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final shadow = [
+      Shadow(color: Colors.black54, blurRadius: 5.0, offset: Offset(1.0, 1.0)),
+    ];
+
+    final controlButtons = [
+      IconButton(
+        icon: Icon(Icons.remove, color: Colors.white, shadows: shadow),
+        onPressed: () {
+          photoViewController.scale = (photoViewController.scale ?? 1) - 0.05;
+        },
+      ),
+      IconButton(
+        icon: Icon(Icons.add, color: Colors.white, shadows: shadow),
+        onPressed: () {
+          photoViewController.scale = (photoViewController.scale ?? 1) + 0.05;
+        },
+      ),
+      const Gap(8),
+      IconButton(
+        icon: Icon(Icons.rotate_left, color: Colors.white, shadows: shadow),
+        onPressed: () {
+          rotation.value = (rotation.value - 1) % 4;
+          photoViewController.rotation = rotation.value * -math.pi / 2;
+        },
+      ),
+      IconButton(
+        icon: Icon(Icons.rotate_right, color: Colors.white, shadows: shadow),
+        onPressed: () {
+          rotation.value = (rotation.value + 1) % 4;
+          photoViewController.rotation = rotation.value * -math.pi / 2;
+        },
+      ),
+    ];
+
+    return Positioned(
+      bottom: MediaQuery.of(context).padding.bottom + 16,
+      left: 16,
+      right: 16,
+      child: Row(
+        children: showExtraOnLeft
+            ? [...?extraButtons, const Spacer(), ...controlButtons]
+            : [
+                ...controlButtons,
+                const Spacer(),
+                IconButton(
+                  onPressed: onToggleQuality,
+                  icon: Icon(
+                    showOriginal ? Symbols.hd : Symbols.sd,
+                    color: Colors.white,
+                    shadows: shadow,
+                  ),
+                ),
+                ...?extraButtons,
+              ],
+      ),
+    );
+  }
+}