ImBenjiandClaude Opus 5.5
b269201919
garage_auth, garage_entitlements, garage_iap and garage_ui, moved out of Garage-Services and Metro-Map-Maker into one public repo. MIT, one readme, docs under docs/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013F4NWNvYcdeSgqbWMT1VQ7
51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
// ignore_for_file: avoid_web_libraries_in_flutter
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import "dart:js_interop";
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import "dart:js_interop_unsafe";
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import "package:flutter/widgets.dart";
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// EyeDropper is a chromium-only api at the time of writing (no firefox, no
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// safari), hence the feature check rather than just assuming its there on web.
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// https://developer.mozilla.org/en-US/docs/Web/API/EyeDropper
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@JS("EyeDropper")
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extension type _EyeDropper._(JSObject _) implements JSObject {
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external _EyeDropper();
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external JSPromise<_EyeDropperResult> open();
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}
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extension type _EyeDropperResult._(JSObject _) implements JSObject {
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external String get sRGBHex;
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}
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Future<bool> nativeEyedropperAvailable() async =>
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globalContext.has("EyeDropper");
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Future<Color?> pickNativeScreenColor() async {
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try {
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final result = await _EyeDropper().open().toDart;
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return _parseHex(result.sRGBHex);
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} catch (error, stack) {
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// cancelling with escape rejects the promise with an AbortError, so this
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// path is completely normal - still worth a line in the console though.
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debugPrint("eyedropper: web pick ended without a colour: $error\n$stack");
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return null;
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}
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}
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Color? _parseHex(String value) {
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final hex = value.replaceAll("#", "");
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if (hex.length != 6) {
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debugPrint("eyedropper: unexpected sRGBHex \"$value\"");
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return null;
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}
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final parsed = int.tryParse(hex, radix: 16);
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if (parsed == null) {
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debugPrint("eyedropper: could not parse sRGBHex \"$value\"");
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return null;
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}
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return Color(0xFF000000 | parsed);
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}
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