76 lines
2.2 KiB
Dart
76 lines
2.2 KiB
Dart
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import 'dart:math' as math;
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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@immutable
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class DetailPaletteRequest {
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DetailPaletteRequest({required this.url, Map<String, String>? headers})
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: headers = headers == null
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? null
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: Map<String, String>.unmodifiable(headers);
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final String url;
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final Map<String, String>? headers;
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@override
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bool operator ==(Object other) {
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return identical(this, other) ||
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other is DetailPaletteRequest &&
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other.url == url &&
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mapEquals(other.headers, headers);
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}
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@override
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int get hashCode {
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final sortedHeaderEntries = headers?.entries.toList(growable: false)
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?..sort((left, right) => left.key.compareTo(right.key));
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final headersHash = sortedHeaderEntries == null
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? null
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: Object.hashAll(
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sortedHeaderEntries.map(
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(entry) => Object.hash(entry.key, entry.value),
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),
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);
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return Object.hash(url, headersHash);
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}
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}
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final detailPaletteProvider =
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FutureProvider.family<Color?, DetailPaletteRequest>((ref, request) async {
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try {
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final sourceProvider = CachedNetworkImageProvider(
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request.url,
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headers: request.headers,
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);
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final resizedProvider = ResizeImage.resizeIfNeeded(
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100,
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null,
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sourceProvider,
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);
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final colorScheme = await ColorScheme.fromImageProvider(
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provider: resizedProvider,
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brightness: Brightness.dark,
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).timeout(const Duration(seconds: 6));
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final sourceColor = HSLColor.fromColor(colorScheme.primary);
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return sourceColor
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.withSaturation(math.min(sourceColor.saturation, 0.3))
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.withLightness(0.11)
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.toColor();
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} catch (_) {
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return null;
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}
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});
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Color createDetailNavigationColor(Color backgroundColor) {
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final backgroundHsl = HSLColor.fromColor(backgroundColor);
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return backgroundHsl
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.withSaturation(math.min(backgroundHsl.saturation, 0.26))
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.withLightness(0.07)
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.toColor();
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}
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