fix unloading of tiles causing high internet usage

.metadata

@@ -1,10 +1,30 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: 37de8a2a9ad217ec9d731f8af0bd7c83e8f4980c
+  revision: f92f44110e87bad5ff168335c36da6f6053036e6
-  channel: master
+  channel: stable
 
 project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: f92f44110e87bad5ff168335c36da6f6053036e6
+      base_revision: f92f44110e87bad5ff168335c36da6f6053036e6
+    - platform: web
+      create_revision: f92f44110e87bad5ff168335c36da6f6053036e6
+      base_revision: f92f44110e87bad5ff168335c36da6f6053036e6
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

lib/db/database.dart

@@ -1,7 +1,8 @@
 import 'package:flutter/foundation.dart';
 import 'package:path/path.dart';
 import 'package:sqflite/sqflite.dart';
-import 'package:sqflite_common_ffi/sqflite_ffi.dart';
+import 'package:sqflite_common_ffi/sqflite_ffi.dart' as nativeffi;
+import 'package:sqflite_common_ffi_web/sqflite_ffi_web.dart' as webffi;
 
 import '../log/log.dart';
 
@@ -9,19 +10,19 @@ class Db {
   late Database _db;
 
   Future<void> init() async {
-    if (kIsWeb) {
-      Log.i("Database on web is not supported");
-      return;
-    }
     String dbpath = 'previews.db';
     if (defaultTargetPlatform == TargetPlatform.android ||
         defaultTargetPlatform == TargetPlatform.iOS) {
       dbpath = join(await getDatabasesPath(), dbpath);
+    } else if(kIsWeb) {
+      databaseFactory = webffi.databaseFactoryFfiWeb;
     } else {
+
+
       // Initialize FFI
-      sqfliteFfiInit();
+      nativeffi.sqfliteFfiInit();
       // Change the default factory
-      databaseFactory = databaseFactoryFfi;
+      databaseFactory = nativeffi.databaseFactoryFfi;
     }
 
     _db = await openDatabase(

lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:media_kit/media_kit.dart';
@@ -13,9 +14,13 @@ void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   MediaKit.ensureInitialized();
 
-  if (!isDesktop()) {
+  if (!kIsWeb && !isDesktop()) {
+    Log.i("init device info");
     await loadDeviceInfo();
   }
+
+  Log.i("Mediakit initialized");
+
   await Db().init();
 
   runApp(Shortcuts(shortcuts: <LogicalKeySet, Intent>{

lib/preview/preview_tile.dart

@@ -76,7 +76,8 @@ class _PreviewTileState extends State<PreviewTile> {
     );
 
     // precache image to avoid loading time to render image
-    await precacheImage(img.image, context);
+    if(context.mounted)
+      await precacheImage(img.image, context);
 
     return img;
   }
@@ -103,28 +104,28 @@ class _PreviewTileState extends State<PreviewTile> {
       child: Stack(
         children: [
           Container(
+            color: const Color(0xff3f3f3f),
             child: Column(
               children: [
                 ClipRRect(
-                  child: image,
                   borderRadius: BorderRadius.circular(20.0),
+                  child: image,
                 ),
-                SizedBox(
+                const SizedBox(
                   height: 3,
                 ),
                 Text(
                   widget.dta.title,
                   style: TextStyle(
-                      fontSize: isTV() ? 8 : 10.5, color: Color(0xffe9e9e9)),
+                      fontSize: isTV() ? 8 : 10.5, color: const Color(0xffe9e9e9)),
                   overflow: TextOverflow.clip,
                   maxLines: 1,
                 ),
-                SizedBox(
+                const SizedBox(
                   height: 3,
                 ),
               ],
             ),
-            color: Color(0xff3f3f3f),
           ),
           Positioned.fill(
             child: Material(
@@ -157,21 +158,24 @@ class _PreviewTileState extends State<PreviewTile> {
 
   @override
   Widget build(BuildContext context) {
-    return FutureBuilder<Image>(
+    return ConstrainedBox(
-      future: _preview, // a previously-obtained Future<String> or null
+      constraints: const BoxConstraints(minHeight: 200, minWidth: 200),
-      builder: (BuildContext context, AsyncSnapshot<Image> snapshot) {
+      child: FutureBuilder<Image>(
-        if (snapshot.connectionState != ConnectionState.done) {
+        future: _preview, // a previously-obtained Future<String> or null
-          return _buildLoader();
+        builder: (BuildContext context, AsyncSnapshot<Image> snapshot) {
-        }
+          if (snapshot.connectionState != ConnectionState.done) {
+            return _buildLoader();
+          }
 
-        if (snapshot.hasError) {
+          if (snapshot.hasError) {
-          return Text("Error");
+            return Text("Error");
-        } else if (snapshot.hasData) {
+          } else if (snapshot.hasData) {
-          return _buildTile(snapshot.data!);
+            return _buildTile(snapshot.data!);
-        } else {
+          } else {
-          return _buildLoader();
+            return _buildLoader();
-        }
+          }
-      },
+        },
+      ),
     );
   }
 }

pubspec.lock

@@ -1,6 +1,30 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      sha256: ae92f5d747aee634b87f89d9946000c2de774be1d6ac3e58268224348cd0101a
+      url: "https://pub.dev"
+    source: hosted
+    version: "61.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      sha256: ea3d8652bda62982addfd92fdc2d0214e5f82e43325104990d4f4c4a2a313562
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.13.0"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
@@ -25,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      sha256: fb98c0f6d12c920a02ee2d998da788bca066ca5f148492b7085ee23372b12306
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
   clock:
     dependency: transitive
     description:
@@ -41,6 +73,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.17.1"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  coverage:
+    dependency: transitive
+    description:
+      name: coverage
+      sha256: "2fb815080e44a09b85e0f2ca8a820b15053982b2e714b59267719e8a9ff17097"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.3"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -49,6 +105,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
+  dev_test:
+    dependency: transitive
+    description:
+      name: dev_test
+      sha256: "0d49b920844062a518edb79fc1dbf9ff6d9bf3c9ab600e3847b7502c27c0caab"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.16.1+4"
   device_info_plus:
     dependency: "direct main"
     description:
@@ -120,6 +184,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
   http:
     dependency: "direct main"
     description:
@@ -128,6 +208,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.13.5"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
@@ -136,6 +224,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
   js:
     dependency: transitive
     description:
@@ -160,6 +256,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
@@ -224,6 +328,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: "direct main"
     description:
@@ -240,6 +368,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  process_run:
+    dependency: transitive
+    description:
+      name: process_run
+      sha256: "0071cece7ca0fdf4aaf2cf84ee3082f3043f18afc7fcfd51f53f9424a8072c04"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
   safe_local_storage:
     dependency: transitive
     description:
@@ -296,11 +448,59 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.1.1"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      sha256: a41d3f53c4adf0f57480578c1d61d90342cd617de7fc8077b1304643c2d85c1e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      sha256: "708b3f6b97248e5781f493b765c3337db11c5d2c81c3094f10904bfa8004c703"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.12"
   source_span:
     dependency: transitive
     description:
@@ -321,26 +521,34 @@ packages:
     dependency: transitive
     description:
       name: sqflite_common
-      sha256: "0c21a187d645aa65da5be6997c0c713eed61e049158870ae2de157e6897067ab"
+      sha256: "8f7603f3f8f126740bc55c4ca2d1027aab4b74a1267a3e31ce51fe40e3b65b8f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.0+2"
+    version: "2.4.5+1"
   sqflite_common_ffi:
     dependency: "direct main"
     description:
       name: sqflite_common_ffi
-      sha256: "9c922744759dc8364ae724af2620acf25aba2e7756aae7844b98649e6fd29f11"
+      sha256: f86de82d37403af491b21920a696b19f01465b596f545d1acd4d29a0a72418ad
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.0+1"
+    version: "2.2.5"
+  sqflite_common_ffi_web:
+    dependency: "direct main"
+    description:
+      name: sqflite_common_ffi_web
+      sha256: eb8cd50fa1451e8fa5edf5860d68d504572afaf1e68079933f95e95bf273d445
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.6"
   sqlite3:
     dependency: transitive
     description:
       name: sqlite3
-      sha256: db6350456720a4088a364bbe02052d43056a5ffbd4816fe9d28310dcfbe0dc05
+      sha256: f7511ddd6a2dda8ded9d849f8a925bb6020e0faa59db2443debc18d484e59401
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.1"
+    version: "2.0.0"
   stack_trace:
     dependency: transitive
     description:
@@ -381,6 +589,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  test:
+    dependency: transitive
+    description:
+      name: test
+      sha256: "3dac9aecf2c3991d09b9cdde4f98ded7b30804a88a0d7e4e7e1678e78d6b97f4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.24.1"
   test_api:
     dependency: transitive
     description:
@@ -389,6 +605,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.5.1"
+  test_core:
+    dependency: transitive
+    description:
+      name: test_core
+      sha256: "5138dbffb77b2289ecb12b81c11ba46036590b72a64a7a90d6ffb880f1a29e93"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
   typed_data:
     dependency: transitive
     description:
@@ -421,6 +645,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: b8c67f5fa3897b122cf60fe9ff314f7b0ef71eab25c5f8b771480bc338f48823
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.7.2"
   volume_controller:
     dependency: transitive
     description:
@@ -469,6 +701,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.1"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0"
+  webkit_inspection_protocol:
+    dependency: transitive
+    description:
+      name: webkit_inspection_protocol
+      sha256: "67d3a8b6c79e1987d19d848b0892e582dbb0c66c57cc1fef58a177dd2aa2823d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   win32:
     dependency: transitive
     description:
@@ -477,6 +733,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.2"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
 sdks:
-  dart: ">=3.0.0-0 <4.0.0"
+  dart: ">=3.0.0 <4.0.0"
   flutter: ">=3.7.0"

pubspec.yaml

@@ -41,6 +41,7 @@ dependencies:
   sqflite: ^2.0.3+1
   path: ^1.8.1
   sqflite_common_ffi: ^2.1.1+1
+  sqflite_common_ffi_web: '^0.3.6'
 
   media_kit: ^1.0.2                              # Primary package.