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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'utils.dart';
class MaskConstant {
const MaskConstant({required this.name, required this.value, required this.description});
const MaskConstant.platform({required String platform, required int value})
: this(
name: '$platform Plane',
value: value,
description: 'The plane value for the private keys defined by the $platform embedding.'
);
final String name;
final int value;
final String description;
String get upperCamelName {
return name
.split(' ')
.map<String>((String word) => lowerCamelToUpperCamel(word.toLowerCase()))
.join();
}
String get lowerCamelName {
final String upperCamel = upperCamelName;
return upperCamel.substring(0, 1).toLowerCase() + upperCamel.substring(1);
}
}
const MaskConstant kValueMask = MaskConstant(
name: 'Value Mask',
value: 0x00FFFFFFFF,
description: 'Mask for the 32-bit value portion of the key code.',
);
const MaskConstant kPlaneMask = MaskConstant(
name: 'Plane Mask',
value: 0xFF00000000,
description: 'Mask for the plane prefix portion of the key code.',
);
const MaskConstant kUnicodePlane = MaskConstant(
name: 'Unicode Plane',
value: 0x0000000000,
description: 'The plane value for keys which have a Unicode representation.',
);
const MaskConstant kUnprintablePlane = MaskConstant(
name: 'Unprintable Plane',
value: 0x0100000000,
description: 'The plane value for keys defined by Chromium and does not have a Unicode representation.',
);
const MaskConstant kFlutterPlane = MaskConstant(
name: 'Flutter Plane',
value: 0x0200000000,
description: 'The plane value for keys defined by Flutter.',
);
const MaskConstant kStartOfPlatformPlanes = MaskConstant(
name: 'Start Of Platform Planes',
value: 0x1100000000,
description: 'The platform plane with the lowest mask value, beyond which the keys are considered autogenerated.',
);
const MaskConstant kAndroidPlane = MaskConstant.platform(
platform: 'Android',
value: 0x1100000000,
);
const MaskConstant kFuchsiaPlane = MaskConstant.platform(
platform: 'Fuchsia',
value: 0x1200000000,
);
const MaskConstant kIosPlane = MaskConstant.platform(
platform: 'iOS',
value: 0x1300000000,
);
const MaskConstant kMacosPlane = MaskConstant.platform(
platform: 'macOS',
value: 0x1400000000,
);
const MaskConstant kGtkPlane = MaskConstant.platform(
platform: 'Gtk',
value: 0x1500000000,
);
const MaskConstant kWindowsPlane = MaskConstant.platform(
platform: 'Windows',
value: 0x1600000000,
);
const MaskConstant kWebPlane = MaskConstant.platform(
platform: 'Web',
value: 0x1700000000,
);
const MaskConstant kGlfwPlane = MaskConstant.platform(
platform: 'GLFW',
value: 0x1800000000,
);