99 lines
2.6 KiB
Dart
99 lines
2.6 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter/scheduler.dart' show timeDilation;
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import 'item.dart';
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import 'home.dart';
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import 'updates.dart';
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final Map<String, WidgetBuilder> _kRoutes = new Map<String, WidgetBuilder>.fromIterable(
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kAllGalleryItems,
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key: (GalleryItem item) => item.routeName,
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value: (GalleryItem item) => item.buildRoute,
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);
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final ThemeData _kGalleryLightTheme = new ThemeData(
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brightness: Brightness.light,
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primarySwatch: Colors.lightBlue,
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);
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final ThemeData _kGalleryDarkTheme = new ThemeData(
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brightness: Brightness.dark,
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primarySwatch: Colors.lightBlue,
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);
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class GalleryApp extends StatefulWidget {
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GalleryApp({
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this.updateUrlFetcher,
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this.enablePerformanceOverlay: true,
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Key key}
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) : super(key: key);
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final UpdateUrlFetcher updateUrlFetcher;
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final bool enablePerformanceOverlay;
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@override
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GalleryAppState createState() => new GalleryAppState();
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}
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class GalleryAppState extends State<GalleryApp> {
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bool _useLightTheme = true;
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bool _showPerformanceOverlay = false;
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@override
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Widget build(BuildContext context) {
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// In checked mode, show the default "slow mode" banner, otherwise show
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// the "preview" banner.
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bool showPreviewBanner = true;
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assert(() {
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showPreviewBanner = false;
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return true;
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});
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Widget home = new GalleryHome(
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useLightTheme: _useLightTheme,
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onThemeChanged: (bool value) {
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setState(() {
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_useLightTheme = value;
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});
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},
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showPerformanceOverlay: _showPerformanceOverlay,
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onShowPerformanceOverlayChanged: config.enablePerformanceOverlay ? (bool value) {
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setState(() {
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_showPerformanceOverlay = value;
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});
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} : null,
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timeDilation: timeDilation,
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onTimeDilationChanged: (double value) {
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setState(() {
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timeDilation = value;
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});
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},
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);
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if (showPreviewBanner)
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home = new Banner(
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message: 'PREVIEW',
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location: BannerLocation.topRight,
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child: home,
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);
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if (config.updateUrlFetcher != null)
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home = new Updater(
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updateUrlFetcher: config.updateUrlFetcher,
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child: home,
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);
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return new MaterialApp(
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title: 'Flutter Gallery',
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theme: _useLightTheme ? _kGalleryLightTheme : _kGalleryDarkTheme,
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showPerformanceOverlay: _showPerformanceOverlay,
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routes: _kRoutes,
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home: home,
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);
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}
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}
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