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cd89e867ef
This API is the front-end part of the work on showing licenses. Future patches will: * Provide an API for registering what licenses should be shown here, which will be used by this feature to shown licenses but could also be used by custom code for showing licenses (e.g. for people not using the Material widgets). * Actually populate this license API from all the licenses we currently use in the engine, in the framework, and from any pub packages that are used (directly or indirectly) by the application.
114 lines
3.8 KiB
Dart
114 lines
3.8 KiB
Dart
// Copyright 2016 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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class GalleryDrawer extends StatelessWidget {
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GalleryDrawer({
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Key key,
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this.useLightTheme,
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this.onThemeChanged,
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this.timeDilation,
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this.onTimeDilationChanged,
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this.showPerformanceOverlay,
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this.onShowPerformanceOverlayChanged
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}) : super(key: key) {
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assert(onThemeChanged != null);
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assert(onTimeDilationChanged != null);
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}
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final bool useLightTheme;
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final ValueChanged<bool> onThemeChanged;
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final double timeDilation;
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final ValueChanged<double> onTimeDilationChanged;
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final bool showPerformanceOverlay;
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final ValueChanged<bool> onShowPerformanceOverlayChanged;
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@override
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Widget build(BuildContext context) {
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return new Drawer(
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child: new Block(
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children: <Widget>[
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new DrawerHeader(
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content: new Center(child: new Text('Flutter gallery'))
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),
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new DrawerItem(
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icon: new Icon(Icons.brightness_5),
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onPressed: () { onThemeChanged(true); },
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selected: useLightTheme,
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child: new Row(
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children: <Widget>[
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new Flexible(child: new Text('Light')),
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new Radio<bool>(
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value: true,
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groupValue: useLightTheme,
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onChanged: onThemeChanged
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)
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]
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)
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),
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new DrawerItem(
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icon: new Icon(Icons.brightness_7),
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onPressed: () { onThemeChanged(false); },
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selected: useLightTheme,
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child: new Row(
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children: <Widget>[
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new Flexible(child: new Text('Dark')),
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new Radio<bool>(
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value: false,
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groupValue: useLightTheme,
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onChanged: onThemeChanged
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)
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]
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)
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),
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new Divider(),
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new DrawerItem(
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icon: new Icon(Icons.hourglass_empty),
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selected: timeDilation != 1.0,
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onPressed: () { onTimeDilationChanged(timeDilation != 1.0 ? 1.0 : 20.0); },
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child: new Row(
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children: <Widget>[
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new Flexible(child: new Text('Animate Slowly')),
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new Checkbox(
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value: timeDilation != 1.0,
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onChanged: (bool value) { onTimeDilationChanged(value ? 20.0 : 1.0); }
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)
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]
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)
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),
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new DrawerItem(
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icon: new Icon(Icons.assessment),
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onPressed: () { onShowPerformanceOverlayChanged(!showPerformanceOverlay); },
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selected: showPerformanceOverlay,
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child: new Row(
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children: <Widget>[
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new Flexible(child: new Text('Performance Overlay')),
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new Checkbox(
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value: showPerformanceOverlay,
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onChanged: (bool value) { onShowPerformanceOverlayChanged(!showPerformanceOverlay); }
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)
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]
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)
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),
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new AboutDrawerItem(
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applicationVersion: '2016 Q2 Preview',
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applicationIcon: new AssetImage('packages/flutter_gallery_assets/appbar_background.jpg'),
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applicationLegalese: '© 2016 The Chromium Authors',
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aboutBoxChildren: <Widget>[
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new Padding(
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padding: const EdgeInsets.only(top: 24.0, bottom: 8.0),
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child: new Center(child: new CircularProgressIndicator())
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),
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new Text('Awaiting fix for issue 4512.', textAlign: TextAlign.center),
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]
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),
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]
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)
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);
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}
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}
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