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5491c8c146
This auto-formats all *.dart files in the repository outside of the `engine` subdirectory and enforces that these files stay formatted with a presubmit check. **Reviewers:** Please carefully review all the commits except for the one titled "formatted". The "formatted" commit was auto-generated by running `dev/tools/format.sh -a -f`. The other commits were hand-crafted to prepare the repo for the formatting change. I recommend reviewing the commits one-by-one via the "Commits" tab and avoiding Github's "Files changed" tab as it will likely slow down your browser because of the size of this PR. --------- Co-authored-by: Kate Lovett <katelovett@google.com> Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
81 lines
3.0 KiB
Dart
81 lines
3.0 KiB
Dart
// Copyright 2014 The Flutter 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/foundation.dart' show defaultTargetPlatform;
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:url_launcher/url_launcher.dart';
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class _LinkTextSpan extends TextSpan {
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// Beware!
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//
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// This class is only safe because the TapGestureRecognizer is not
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// given a deadline and therefore never allocates any resources.
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//
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// In any other situation -- setting a deadline, using any of the less trivial
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// recognizers, etc -- you would have to manage the gesture recognizer's
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// lifetime and call dispose() when the TextSpan was no longer being rendered.
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//
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// Since TextSpan itself is @immutable, this means that you would have to
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// manage the recognizer from outside the TextSpan, e.g. in the State of a
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// stateful widget that then hands the recognizer to the TextSpan.
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_LinkTextSpan({super.style, required String url, String? text})
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: super(
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text: text ?? url,
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recognizer:
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TapGestureRecognizer()
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..onTap = () {
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launchUrl(Uri.parse(url), mode: LaunchMode.externalApplication);
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},
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);
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}
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void showGalleryAboutDialog(BuildContext context) {
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final ThemeData themeData = Theme.of(context);
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final TextStyle? aboutTextStyle = themeData.textTheme.bodyLarge;
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final TextStyle linkStyle = themeData.textTheme.bodyLarge!.copyWith(
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color: themeData.colorScheme.primary,
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);
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showAboutDialog(
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context: context,
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applicationVersion: 'January 2019',
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applicationIcon: const FlutterLogo(),
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applicationLegalese: '© 2014 The Flutter Authors',
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children: <Widget>[
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Padding(
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padding: const EdgeInsets.only(top: 24.0),
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child: RichText(
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text: TextSpan(
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children: <TextSpan>[
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TextSpan(
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style: aboutTextStyle,
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text:
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'Flutter is an open-source project to help developers '
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'build high-performance, high-fidelity, mobile apps for '
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'${defaultTargetPlatform == TargetPlatform.iOS ? 'multiple platforms' : 'iOS and Android'} '
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'from a single codebase. This design lab is a playground '
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"and showcase of Flutter's many widgets, behaviors, "
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'animations, layouts, and more. Learn more about Flutter at ',
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),
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_LinkTextSpan(style: linkStyle, url: 'https://flutter.dev'),
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TextSpan(
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style: aboutTextStyle,
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text: '.\n\nTo see the source code for this app, please visit the ',
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),
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_LinkTextSpan(
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style: linkStyle,
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url: 'https://goo.gl/iv1p4G',
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text: 'flutter github repo',
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),
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TextSpan(style: aboutTextStyle, text: '.'),
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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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