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86 changes: 86 additions & 0 deletions
86
...ures/src/commonMain/kotlin/com/inkapplications/glassconsole/structures/BacklightConfig.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package com.inkapplications.glassconsole.structures | ||
|
|
||
| import inkapplications.spondee.scalar.Percentage | ||
| import inkapplications.spondee.scalar.decimalPercentage | ||
| import inkapplications.spondee.structure.toFloat | ||
| import kotlinx.serialization.KSerializer | ||
| import kotlinx.serialization.Serializable | ||
| import kotlinx.serialization.descriptors.SerialDescriptor | ||
| import kotlinx.serialization.encoding.Decoder | ||
| import kotlinx.serialization.encoding.Encoder | ||
|
|
||
| /** | ||
| * Settings for the behavior of the backlight and UI visibility. | ||
| */ | ||
| @Serializable(with = Serializer::class) | ||
| sealed interface BacklightConfig { | ||
| /** | ||
| * Use the device's default behavior for the backlight. | ||
| */ | ||
| data object Auto: BacklightConfig | ||
|
|
||
| /** | ||
| * Turn off the backlight. | ||
| * | ||
| * @param tapToWake Whether to allow the user to tap the device to wake it. | ||
| */ | ||
| data class Off( | ||
| val tapToWake: Boolean = DEFAULT_TAP_RESET, | ||
| ): BacklightConfig { | ||
| companion object { | ||
| const val DEFAULT_TAP_RESET = true | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Set the backlight to a specified brightness. | ||
| * | ||
| * @param brightness The percentage brightness to set the backlight to. | ||
| * @param tapToWake Whether to allow the user to tap the device to wake it. | ||
| */ | ||
| data class Fixed( | ||
| val brightness: Percentage, | ||
| val tapToWake: Boolean = DEFAULT_TAP_RESET, | ||
| ): BacklightConfig { | ||
| companion object { | ||
| const val DEFAULT_TAP_RESET = false | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Serializable | ||
| private class JsonSchema( | ||
| val behavior: String, | ||
| @Serializable(with = PercentageAsDecimalFloatSerializer::class) | ||
| val brightness: Percentage? = null, | ||
| val tapToWake: Boolean? = null, | ||
| ) | ||
|
|
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| private class Serializer: KSerializer<BacklightConfig> { | ||
| private val backingSerializer = JsonSchema.serializer() | ||
| override val descriptor: SerialDescriptor = backingSerializer.descriptor | ||
|
|
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| override fun serialize(encoder: Encoder, value: BacklightConfig) { | ||
| val schema = when(value) { | ||
| is BacklightConfig.Auto -> JsonSchema("auto") | ||
| is BacklightConfig.Off -> JsonSchema("off", tapToWake = value.tapToWake) | ||
| is BacklightConfig.Fixed -> JsonSchema("fixed", value.brightness, value.tapToWake) | ||
| } | ||
| backingSerializer.serialize(encoder, schema) | ||
| } | ||
|
|
||
| override fun deserialize(decoder: Decoder): BacklightConfig { | ||
| val schema = backingSerializer.deserialize(decoder) | ||
| return when(schema.behavior) { | ||
| "auto" -> BacklightConfig.Auto | ||
| "off" -> BacklightConfig.Off( | ||
| tapToWake = schema.tapToWake ?: BacklightConfig.Off.DEFAULT_TAP_RESET | ||
| ) | ||
| "fixed" -> BacklightConfig.Fixed( | ||
| schema.brightness!!, | ||
| schema.tapToWake ?: BacklightConfig.Fixed.DEFAULT_TAP_RESET | ||
| ) | ||
| else -> throw IllegalArgumentException("Unknown backlight behavior: ${schema.behavior}") | ||
| } | ||
| } | ||
| } |
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28 changes: 28 additions & 0 deletions
28
.../kotlin/com/inkapplications/glassconsole/structures/PercentageAsDecimalFloatSerializer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| package com.inkapplications.glassconsole.structures | ||
|
|
||
| import inkapplications.spondee.scalar.Percentage | ||
| import inkapplications.spondee.scalar.decimalPercentage | ||
| import inkapplications.spondee.structure.toFloat | ||
| import kotlinx.serialization.KSerializer | ||
| import kotlinx.serialization.descriptors.PrimitiveKind | ||
| import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor | ||
| import kotlinx.serialization.descriptors.SerialDescriptor | ||
| import kotlinx.serialization.encoding.Decoder | ||
| import kotlinx.serialization.encoding.Encoder | ||
|
|
||
| /** | ||
| * Serializes a percentage as a fractional decimal float. | ||
| * | ||
| * ie. 0.5 for 50% | ||
| */ | ||
| class PercentageAsDecimalFloatSerializer: KSerializer<Percentage> { | ||
| override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("Percentage", PrimitiveKind.FLOAT) | ||
|
|
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| override fun deserialize(decoder: Decoder): Percentage { | ||
| return decoder.decodeFloat().decimalPercentage | ||
| } | ||
|
|
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| override fun serialize(encoder: Encoder, value: Percentage) { | ||
| encoder.encodeFloat(value.toDecimal().toFloat()) | ||
| } | ||
| } |