split main page

lib/src/ui/page/main/bottom_widget.dart

+
+part of '../photo_main_page.dart';
+
+class _BottomWidget extends StatefulWidget {
+  final ValueChanged<AssetPathEntity> onGalleryChange;
+
+  final Options options;
+
+  final I18nProvider provider;
+
+  final SelectedProvider selectedProvider;
+
+  final String galleryName;
+
+  final GalleryListProvider galleryListProvider;
+  final VoidCallback onTapPreview;
+
+  const _BottomWidget({
+    Key key,
+    this.onGalleryChange,
+    this.options,
+    this.provider,
+    this.selectedProvider,
+    this.galleryName = "",
+    this.galleryListProvider,
+    this.onTapPreview,
+  }) : super(key: key);
+
+  @override
+  __BottomWidgetState createState() => __BottomWidgetState();
+}
+
+class __BottomWidgetState extends State<_BottomWidget> {
+  Options get options => widget.options;
+
+  I18nProvider get i18nProvider => widget.provider;
+
+  @override
+  Widget build(BuildContext context) {
+    var textStyle = TextStyle(fontSize: 14.0);
+    const textPadding = const EdgeInsets.symmetric(horizontal: 16.0);
+    return Container(
+      color: options.themeColor,
+      child: SafeArea(
+        bottom: true,
+        top: false,
+        child: Container(
+          height: 52.0,
+          child: Row(
+            children: <Widget>[
+              FlatButton(
+                onPressed: _showGallerySelectDialog,
+                splashColor: Colors.transparent,
+                child: Container(
+                  alignment: Alignment.center,
+                  height: 44.0,
+                  padding: textPadding,
+                  child: Text(
+                    widget.galleryName,
+                    style: textStyle.copyWith(color: options.textColor),
+                  ),
+                ),
+              ),
+              Expanded(
+                child: Container(),
+              ),
+              FlatButton(
+                onPressed: widget.onTapPreview,
+                textColor: options.textColor,
+                splashColor: Colors.transparent,
+                disabledTextColor: options.disableColor,
+                child: Container(
+                  height: 44.0,
+                  alignment: Alignment.center,
+                  child: Text(
+                    i18nProvider.getPreviewText(
+                        options, widget.selectedProvider),
+                    style: textStyle,
+                  ),
+                  padding: textPadding,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _showGallerySelectDialog() async {
+    var result = await showModalBottomSheet(
+      context: context,
+      builder: (ctx) => ChangeGalleryDialog(
+            galleryList: widget.galleryListProvider.galleryPathList,
+            i18n: i18nProvider,
+            options: options,
+          ),
+    );
+
+    if (result != null) widget.onGalleryChange?.call(result);
+  }
+}

lib/src/ui/page/main/image_item.dart

+part of '../photo_main_page.dart';
+
+
+class ImageItem extends StatelessWidget {
+  final AssetEntity entity;
+
+  final Color themeColor;
+
+  final int size;
+
+  final LoadingDelegate loadingDelegate;
+
+  final BadgeDelegate badgeDelegate;
+
+  const ImageItem({
+    Key key,
+    this.entity,
+    this.themeColor,
+    this.size = 64,
+    this.loadingDelegate,
+    this.badgeDelegate,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    var thumb = ImageLruCache.getData(entity, size);
+    if (thumb != null) {
+      return _buildImageItem(context, thumb);
+    }
+
+    return FutureBuilder<Uint8List>(
+      future: entity.thumbDataWithSize(size, size),
+      builder: (BuildContext context, AsyncSnapshot<Uint8List> snapshot) {
+        var futureData = snapshot.data;
+        if (snapshot.connectionState == ConnectionState.done &&
+            futureData != null) {
+          ImageLruCache.setData(entity, size, futureData);
+          return _buildImageItem(context, futureData);
+        }
+        return Center(
+          child: loadingDelegate.buildPreviewLoading(
+            context,
+            entity,
+            themeColor,
+          ),
+        );
+      },
+    );
+  }
+
+  Widget _buildImageItem(BuildContext context, Uint8List data) {
+    var image = Image.memory(
+      data,
+      width: double.infinity,
+      height: double.infinity,
+      fit: BoxFit.cover,
+    );
+    // FutureBuilder()
+    var badge = FutureBuilder<Duration>(
+      future: entity.videoDuration,
+      builder: (ctx, snapshot) {
+        if (snapshot.hasData && snapshot != null) {
+          var buildBadge =
+              badgeDelegate?.buildBadge(context, entity.type, snapshot.data);
+          if (buildBadge == null) {
+            return Container();
+          } else {
+            return buildBadge;
+          }
+        } else {
+          return Container();
+        }
+      },
+    );
+
+    return Stack(
+      children: <Widget>[
+        image,
+        IgnorePointer(
+          child: badge,
+        ),
+      ],
+    );
+  }
+}

lib/src/ui/page/photo_main_page.dart

 import 'package:photo/src/ui/page/photo_preview_page.dart';
 import 'package:photo_manager/photo_manager.dart';
 
+part './main/bottom_widget.dart';
+part './main/image_item.dart';
+
 class PhotoMainPage extends StatefulWidget {
   final ValueChanged<List<AssetEntity>> onClose;
   final Options options;
     _refreshList();
     scaffoldKey = GlobalKey();
     scrollController = ScrollController();
+    PhotoManager.addChangeCallback(_onAssetChange);
+    PhotoManager.startChangeNotify();
   }
 
   @override
   void dispose() {
+    PhotoManager.removeChangeCallback(_onAssetChange);
+    PhotoManager.stopChangeNotify();
     scaffoldKey = null;
     super.dispose();
   }
       ),
     );
   }
-}
-
-class _BottomWidget extends StatefulWidget {
-  final ValueChanged<AssetPathEntity> onGalleryChange;
-
-  final Options options;
-
-  final I18nProvider provider;
-
-  final SelectedProvider selectedProvider;
-
-  final String galleryName;
-
-  final GalleryListProvider galleryListProvider;
-  final VoidCallback onTapPreview;
-
-  const _BottomWidget({
-    Key key,
-    this.onGalleryChange,
-    this.options,
-    this.provider,
-    this.selectedProvider,
-    this.galleryName = "",
-    this.galleryListProvider,
-    this.onTapPreview,
-  }) : super(key: key);
-
-  @override
-  __BottomWidgetState createState() => __BottomWidgetState();
-}
-
-class __BottomWidgetState extends State<_BottomWidget> {
-  Options get options => widget.options;
-
-  I18nProvider get i18nProvider => widget.provider;
 
-  @override
-  Widget build(BuildContext context) {
-    var textStyle = TextStyle(fontSize: 14.0);
-    const textPadding = const EdgeInsets.symmetric(horizontal: 16.0);
-    return Container(
-      color: options.themeColor,
-      child: SafeArea(
-        bottom: true,
-        top: false,
-        child: Container(
-          height: 52.0,
-          child: Row(
-            children: <Widget>[
-              FlatButton(
-                onPressed: _showGallerySelectDialog,
-                splashColor: Colors.transparent,
-                child: Container(
-                  alignment: Alignment.center,
-                  height: 44.0,
-                  padding: textPadding,
-                  child: Text(
-                    widget.galleryName,
-                    style: textStyle.copyWith(color: options.textColor),
-                  ),
-                ),
-              ),
-              Expanded(
-                child: Container(),
-              ),
-              FlatButton(
-                onPressed: widget.onTapPreview,
-                textColor: options.textColor,
-                splashColor: Colors.transparent,
-                disabledTextColor: options.disableColor,
-                child: Container(
-                  height: 44.0,
-                  alignment: Alignment.center,
-                  child: Text(
-                    i18nProvider.getPreviewText(
-                        options, widget.selectedProvider),
-                    style: textStyle,
-                  ),
-                  padding: textPadding,
-                ),
-              ),
-            ],
-          ),
-        ),
-      ),
-    );
-  }
-
-  void _showGallerySelectDialog() async {
-    var result = await showModalBottomSheet(
-      context: context,
-      builder: (ctx) => ChangeGalleryDialog(
-            galleryList: widget.galleryListProvider.galleryPathList,
-            i18n: i18nProvider,
-            options: options,
-          ),
-    );
-
-    if (result != null) widget.onGalleryChange?.call(result);
-  }
-}
-
-class ImageItem extends StatelessWidget {
-  final AssetEntity entity;
-
-  final Color themeColor;
-
-  final int size;
-
-  final LoadingDelegate loadingDelegate;
-
-  final BadgeDelegate badgeDelegate;
-
-  const ImageItem({
-    Key key,
-    this.entity,
-    this.themeColor,
-    this.size = 64,
-    this.loadingDelegate,
-    this.badgeDelegate,
-  }) : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    var thumb = ImageLruCache.getData(entity, size);
-    if (thumb != null) {
-      return _buildImageItem(context, thumb);
-    }
-
-    return FutureBuilder<Uint8List>(
-      future: entity.thumbDataWithSize(size, size),
-      builder: (BuildContext context, AsyncSnapshot<Uint8List> snapshot) {
-        var futureData = snapshot.data;
-        if (snapshot.connectionState == ConnectionState.done &&
-            futureData != null) {
-          ImageLruCache.setData(entity, size, futureData);
-          return _buildImageItem(context, futureData);
-        }
-        return Center(
-          child: loadingDelegate.buildPreviewLoading(
-            context,
-            entity,
-            themeColor,
-          ),
-        );
-      },
-    );
-  }
-
-  Widget _buildImageItem(BuildContext context, Uint8List data) {
-    var image = Image.memory(
-      data,
-      width: double.infinity,
-      height: double.infinity,
-      fit: BoxFit.cover,
-    );
-    // FutureBuilder()
-    var badge = FutureBuilder<Duration>(
-      future: entity.videoDuration,
-      builder: (ctx, snapshot) {
-        if (snapshot.hasData && snapshot != null) {
-          var buildBadge =
-              badgeDelegate?.buildBadge(context, entity.type, snapshot.data);
-          if (buildBadge == null) {
-            return Container();
-          } else {
-            return buildBadge;
-          }
-        } else {
-          return Container();
-        }
-      },
-    );
-
-    return Stack(
-      children: <Widget>[
-        image,
-        IgnorePointer(
-          child: badge,
-        ),
-      ],
-    );
-  }
+  void _onAssetChange() {}
 }