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packages/devtools_app/lib/src/screens/logging/metadata.dart
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| // Copyright 2024 The Chromium Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| import 'dart:math'; | ||
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| import 'package:devtools_app_shared/ui.dart'; | ||
| import 'package:flutter/material.dart'; | ||
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| import '../../shared/ui/icons.dart'; | ||
| import '../../shared/ui/utils.dart'; | ||
| import 'logging_screen_v2/logging_table_row.dart'; | ||
| import 'shared/constants.dart'; | ||
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| // TODO(kenz): remove dependency on Logging V2 references. | ||
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| abstract class MetadataChip extends StatelessWidget { | ||
| const MetadataChip({ | ||
| super.key, | ||
| required this.maxWidth, | ||
| required this.text, | ||
| this.icon, | ||
| this.iconAsset, | ||
| this.includeLeadingPadding = true, | ||
| }); | ||
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| final double maxWidth; | ||
| final IconData? icon; | ||
| final String? iconAsset; | ||
| final String text; | ||
| final bool includeLeadingPadding; | ||
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| static const horizontalPadding = denseSpacing; | ||
| static const verticalPadding = densePadding; | ||
| static const iconPadding = densePadding; | ||
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| /// Estimates the size of this single metadata chip. | ||
| /// | ||
| /// If the [build] method is changed then this may need to be updated | ||
| Size estimateSize() { | ||
| final horizontalPaddingCount = includeLeadingPadding ? 2 : 1; | ||
| final maxWidthInsidePadding = | ||
| max(0.0, maxWidth - horizontalPadding * horizontalPaddingCount); | ||
| final iconSize = Size.square(defaultIconSize); | ||
| final textSize = calculateTextSpanSize( | ||
| _buildValueText(), | ||
| maxWidth: maxWidthInsidePadding, | ||
| ); | ||
| return Size( | ||
| ((icon != null || iconAsset != null) | ||
| ? iconSize.width + iconPadding | ||
| : 0.0) + | ||
| textSize.width + | ||
| horizontalPadding * horizontalPaddingCount, | ||
| max(iconSize.height, textSize.height) + verticalPadding * 2, | ||
| ); | ||
| } | ||
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| /// If this build method is changed then you may need to modify [estimateSize()] | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Container( | ||
| constraints: BoxConstraints(maxWidth: maxWidth), | ||
| padding: EdgeInsets.fromLTRB( | ||
| includeLeadingPadding ? horizontalPadding : 0, | ||
| verticalPadding, | ||
| horizontalPadding, | ||
| verticalPadding, | ||
| ), | ||
| child: Row( | ||
| mainAxisSize: MainAxisSize.min, | ||
| children: [ | ||
| if (icon != null || iconAsset != null) ...[ | ||
| DevToolsIcon( | ||
| icon: icon, | ||
| iconAsset: iconAsset, | ||
| size: defaultIconSize, | ||
| color: Theme.of(context).colorScheme.subtleTextColor, | ||
| ), | ||
| const SizedBox(width: iconPadding), | ||
| ] else | ||
| // Include an empty SizedBox to ensure a consistent height for the | ||
| // chips, regardless of whether the chip includes an icon. | ||
| SizedBox(height: defaultIconSize), | ||
| RichText( | ||
| text: _buildValueText(), | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
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| TextSpan _buildValueText() { | ||
| return TextSpan( | ||
| text: text, | ||
| style: LoggingTableRow.metadataStyle, | ||
| ); | ||
| } | ||
| } | ||
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| @visibleForTesting | ||
| class WhenMetaDataChip extends MetadataChip { | ||
| WhenMetaDataChip({ | ||
| super.key, | ||
| required int? timestamp, | ||
| required super.maxWidth, | ||
| }) : super( | ||
| icon: null, | ||
| text: timestamp == null | ||
| ? '' | ||
| : loggingTableTimeFormat | ||
| .format(DateTime.fromMillisecondsSinceEpoch(timestamp)), | ||
| includeLeadingPadding: false, | ||
| ); | ||
| } | ||
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| class KindMetaDataChip extends MetadataChip { | ||
| const KindMetaDataChip({ | ||
| super.key, | ||
| required String kind, | ||
| required super.maxWidth, | ||
| super.icon, | ||
| super.iconAsset, | ||
| }) : super(text: kind); | ||
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| static ({IconData? icon, String? iconAsset}) generateIcon(String kind) { | ||
| IconData? kindIcon = Icons.list_rounded; | ||
| String? kindIconAsset; | ||
| if (kind == 'stdout' || kind == 'stderr') { | ||
| kindIcon = Icons.terminal_rounded; | ||
| } else if (RegExp(r'^flutter\..*$').hasMatch(kind)) { | ||
| kindIconAsset = 'icons/flutter.png'; | ||
| kindIcon = null; | ||
| } | ||
| return (icon: kindIcon, iconAsset: kindIconAsset); | ||
| } | ||
| } | ||
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| @visibleForTesting | ||
| class FrameElapsedMetaDataChip extends MetadataChip { | ||
| const FrameElapsedMetaDataChip({ | ||
| super.key, | ||
| required super.maxWidth, | ||
| required String elapsedTimeDisplay, | ||
| }) : super(icon: Icons.timer, text: elapsedTimeDisplay); | ||
| } |
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