using System.Collections.Generic; using developer; using uiwidgets; using Unity.UIWidgets.async2; using Unity.UIWidgets.foundation; using Unity.UIWidgets.material; using Unity.UIWidgets.painting; using Unity.UIWidgets.rendering; using Unity.UIWidgets.scheduler2; using Unity.UIWidgets.ui; using Unity.UIWidgets.widgets; using TextStyle = Unity.UIWidgets.painting.TextStyle; namespace Unity.UIWidgets.material { public class AboutListTile : StatelessWidget { public AboutListTile( Key key, Widget icon = null, Widget child = null, string applicationName = null, string applicationVersion = null, Widget applicationIcon = null, string applicationLegalese = null, List aboutBoxChildren = null, bool dense = false ) : base(key: key) { this.icon = icon; this.child = child; this.applicationName = applicationName; this.applicationVersion = applicationVersion; this.applicationIcon = applicationIcon; this.applicationLegalese = applicationLegalese; this.aboutBoxChildren = aboutBoxChildren; this.dense = dense; } public readonly Widget icon; public readonly Widget child; public readonly string applicationName; public readonly string applicationVersion; public readonly Widget applicationIcon; public readonly string applicationLegalese; public readonly List aboutBoxChildren; public readonly bool dense; public override Widget build(BuildContext context) { D.assert(material_.debugCheckHasMaterial(context)); D.assert(material_.debugCheckHasMaterialLocalizations(context)); return new ListTile( leading: icon, title: child ?? new Text(MaterialLocalizations.of(context).aboutListTileTitle( applicationName ?? material_._defaultApplicationName(context) )), dense: dense, onTap: () => { material_.showAboutDialog( context: context, applicationName: applicationName, applicationVersion: applicationVersion, applicationIcon: applicationIcon, applicationLegalese: applicationLegalese, children: aboutBoxChildren ); } ); } } public partial class material_ { public static void showAboutDialog( BuildContext context, string applicationName = null, string applicationVersion = null, Widget applicationIcon = null, string applicationLegalese = null, List children = null, bool useRootNavigator = true, RouteSettings routeSettings = null ) { D.assert(context != null); D.assert(useRootNavigator != null); showDialog( context: context, useRootNavigator: useRootNavigator, builder: (BuildContext buildContext) => { return new AboutDialog( applicationName: applicationName, applicationVersion: applicationVersion, applicationIcon: applicationIcon, applicationLegalese: applicationLegalese, children: children ); } , routeSettings: routeSettings ); } public static void showLicensePage( BuildContext context, string applicationName = null, string applicationVersion = null, Widget applicationIcon = null, string applicationLegalese = null, bool useRootNavigator = false ) { D.assert(context != null); D.assert(useRootNavigator != null); Navigator.of(context, rootNavigator: useRootNavigator).push(new MaterialPageRoute( builder: (BuildContext buildContext) => new LicensePage( applicationName: applicationName, applicationVersion: applicationVersion, applicationIcon: applicationIcon, applicationLegalese: applicationLegalese ) )); } } public class AboutDialog : StatelessWidget { public AboutDialog( Key key = null, string applicationName = null, string applicationVersion = null, Widget applicationIcon = null, string applicationLegalese = null, List children = null ) : base(key: key) { this.applicationName = applicationName; this.applicationVersion = applicationVersion; this.applicationIcon = applicationIcon; this.applicationLegalese = applicationLegalese; this.children = children; } public readonly string applicationName; public readonly string applicationVersion; public readonly Widget applicationIcon; public readonly string applicationLegalese; public readonly List children; public override Widget build(BuildContext context) { D.assert(material_.debugCheckHasMaterialLocalizations(context)); string name = applicationName ?? material_._defaultApplicationName(context); string version = applicationVersion ?? material_._defaultApplicationVersion(context); Widget icon = applicationIcon ?? material_._defaultApplicationIcon(context); var listChildren = new List(); var rowChildren = new List(); if (icon != null) { rowChildren.Add(new IconTheme(data: Theme.of(context).iconTheme, child: icon)); } rowChildren.Add(new Expanded( child: new Padding( padding: EdgeInsets.symmetric(horizontal: 24.0f), child: new ListBody( children: new List() { new Text(name, style: Theme.of(context).textTheme.headline5), new Text(version, style: Theme.of(context).textTheme.bodyText2), new Container(height: 18.0f), new Text(applicationLegalese ?? "", style: Theme.of(context).textTheme.caption) } ) ) )); listChildren.Add(new Row( crossAxisAlignment: CrossAxisAlignment.start, children: rowChildren ) ); listChildren.AddRange(children); return new AlertDialog( content: new ListBody( children: listChildren ), actions: new List(){ new FlatButton( child: new Text(MaterialLocalizations.of(context).viewLicensesButtonLabel), onPressed: () => { material_.showLicensePage( context: context, applicationName: applicationName, applicationVersion: applicationVersion, applicationIcon: applicationIcon, applicationLegalese: applicationLegalese ); } ), new FlatButton( child: new Text(MaterialLocalizations.of(context).closeButtonLabel), onPressed: () => { Navigator.pop(context); } ) }, scrollable: true ); } } public class LicensePage : StatefulWidget { public LicensePage( Key key = null, string applicationName = null, string applicationVersion = null, Widget applicationIcon = null, string applicationLegalese = null ) : base(key: key) { this.applicationName = applicationName; this.applicationVersion = applicationVersion; this.applicationIcon = applicationIcon; this.applicationLegalese = applicationLegalese; } public readonly string applicationName; public readonly string applicationVersion; public readonly Widget applicationIcon; public readonly string applicationLegalese; public override State createState() => new _LicensePageState(); } public class _LicensePageState : State { public override void initState() { base.initState(); _initLicenses(); } readonly List _licenses = new List(); bool _loaded = false; Future _initLicenses() { int debugFlowId = -1; // D.assert(() => { // Flow flow = Flow.begin(); // Timeline.timeSync("_initLicenses()", () { }, flow: flow); // debugFlowId = flow.id; // return true; // }()); // Future.forEach(LicenseRegistry.licenses, license => { }); // await for (final LicenseEntry license in LicenseRegistry.licenses) { // if (!mounted) { // return; // } // D.assert(() { // Timeline.timeSync("_initLicenses()", () { }, flow: Flow.step(debugFlowId)); // return true; // }()); // final List paragraphs = // await SchedulerBinding.instance.scheduleTask>( // license.paragraphs.toList, // Priority.animation, // debugLabel: "License", // ); // if (!mounted) { // return; // } // setState(() { // _licenses.add(const Padding( // padding: EdgeInsets.symmetric(vertical: 18.0), // child: Text( // "🍀‬", // That"s U+1F340. Could also use U+2766 (❦) if U+1F340 doesn"t work everywhere. // textAlign: TextAlign.center, // ), // )); // _licenses.add(Container( // decoration: const BoxDecoration( // border: Border(bottom: BorderSide(width: 0.0)) // ), // child: Text( // license.packages.join(", "), // style: const TextStyle(fontWeight: FontWeight.bold), // textAlign: TextAlign.center, // ), // )); // for (final LicenseParagraph paragraph in paragraphs) { // if (paragraph.indent == LicenseParagraph.centeredIndent) { // _licenses.add(Padding( // padding: const EdgeInsets.only(top: 16.0), // child: Text( // paragraph.text, // style: const TextStyle(fontWeight: FontWeight.bold), // textAlign: TextAlign.center, // ), // )); // } else { // D.assert(paragraph.indent >= 0); // _licenses.add(Padding( // padding: EdgeInsetsDirectional.only(top: 8.0, start: 16.0 * paragraph.indent), // child: Text(paragraph.text), // )); // } // } // }); // } //TODO: implement setState(() => { _loaded = true; }); return null; // D.assert(() { // Timeline.timeSync("Build scheduled", () { }, flow: Flow.end(debugFlowId)); // return true; // }()); } public override Widget build(BuildContext context) { D.assert(material_.debugCheckHasMaterialLocalizations(context)); string name = widget.applicationName ?? material_._defaultApplicationName(context); string version = widget.applicationVersion ?? material_._defaultApplicationVersion(context); Widget icon = widget.applicationIcon ?? material_._defaultApplicationIcon(context); MaterialLocalizations localizations = MaterialLocalizations.of(context); var list = new List(); list.Add(new Text(name, style: Theme.of(context).textTheme.headline5, textAlign: TextAlign.center)); if (icon != null) { list.Add(new IconTheme(data: Theme.of(context).iconTheme, child: icon)); } list.Add(new Text(version, style: Theme.of(context).textTheme.bodyText2, textAlign: TextAlign.center)); list.Add(new Container(height: 18.0f)); list.Add(new Text(widget.applicationLegalese ?? "", style: Theme.of(context).textTheme.caption, textAlign: TextAlign.center)); list.Add(new Container(height: 18.0f)); list.Add(new Text("Powered by Flutter", style: Theme.of(context).textTheme.bodyText2, textAlign: TextAlign.center)); list.Add(new Container(height: 24.0f)); list.AddRange(_licenses); if (!_loaded) { list.Add(new Padding( padding: EdgeInsets.symmetric(vertical: 24.0f), child: new Center( child: new CircularProgressIndicator() ) )); } return new Scaffold( appBar: new AppBar( title: new Text(localizations.licensesPageTitle) ), // All of the licenses page text is English. We don"t want localized text // or text direction. body: Localizations.overrides( locale: new Locale("en", "US"), context: context, child: new DefaultTextStyle( style: Theme.of(context).textTheme.caption, child: new SafeArea( bottom: false, child: new Scrollbar( child: new ListView( padding: EdgeInsets.symmetric(horizontal: 8.0f, vertical: 12.0f), children: list ) ) ) ) ) ); } } public partial class material_ { internal static string _defaultApplicationName(BuildContext context) { // This doesn"t handle the case of the application"s title dynamically // changing. In theory, we should make Title expose the current application // title using an InheritedWidget, and so forth. However, in practice, if // someone really wants their application title to change dynamically, they // can provide an explicit applicationName to the widgets defined in this // file, instead of relying on the default. Title ancestorTitle = context.findAncestorWidgetOfExactType(); return ancestorTitle?.title ;//?? Platform.resolvedExecutable.split(Platform.pathSeparator).last; } internal static string _defaultApplicationVersion(BuildContext context) { // TODO(ianh): Get this from the embedder somehow. return ""; } internal static Widget _defaultApplicationIcon(BuildContext context) { // TODO(ianh): Get this from the embedder somehow. return null; } } }