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/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.responsive
import android.content.res.TypedArray
import android.util.Log
import com.android.launcher3.R
import com.android.launcher3.util.ResourceHelper
class HotseatSpecs(val specs: List<HotseatSpec>) {
fun getCalculatedHeightSpec(availableHeight: Int): CalculatedHotseatSpec {
val spec = specs.firstOrNull { availableHeight <= it.maxAvailableSize }
check(spec != null) { "No available height spec found within $availableHeight." }
return CalculatedHotseatSpec(availableHeight, spec)
}
companion object {
private const val XML_HOTSEAT_SPEC = "hotseatSpec"
@JvmStatic
fun create(resourceHelper: ResourceHelper): HotseatSpecs {
val parser = ResponsiveSpecsParser(resourceHelper)
val specs = parser.parseXML(XML_HOTSEAT_SPEC, ::HotseatSpec)
return HotseatSpecs(specs.filter { it.specType == ResponsiveSpec.SpecType.HEIGHT })
}
}
}
data class HotseatSpec(
val maxAvailableSize: Int,
val specType: ResponsiveSpec.SpecType,
val hotseatQsbSpace: SizeSpec
) {
init {
check(isValid()) { "Invalid HotseatSpec found." }
}
constructor(
attrs: TypedArray,
specs: Map<String, SizeSpec>
) : this(
maxAvailableSize =
attrs.getDimensionPixelSize(R.styleable.ResponsiveSpec_maxAvailableSize, 0),
specType =
ResponsiveSpec.SpecType.values()[
attrs.getInt(
R.styleable.ResponsiveSpec_specType,
ResponsiveSpec.SpecType.HEIGHT.ordinal
)],
hotseatQsbSpace = specs.getOrError(SizeSpec.XmlTags.HOTSEAT_QSB_SPACE)
)
fun isValid(): Boolean {
if (maxAvailableSize <= 0) {
Log.e(LOG_TAG, "${this::class.simpleName}#isValid - maxAvailableSize <= 0")
return false
}
// All specs need to be individually valid
if (!allSpecsAreValid()) {
Log.e(LOG_TAG, "${this::class.simpleName}#isValid - !allSpecsAreValid()")
return false
}
return true
}
private fun allSpecsAreValid(): Boolean {
return hotseatQsbSpace.isValid() && hotseatQsbSpace.onlyFixedSize()
}
companion object {
private const val LOG_TAG = "HotseatSpec"
}
}
class CalculatedHotseatSpec(val availableSpace: Int, val spec: HotseatSpec) {
var hotseatQsbSpace: Int = 0
private set
init {
hotseatQsbSpace = spec.hotseatQsbSpace.getCalculatedValue(availableSpace)
}
override fun hashCode(): Int {
var result = availableSpace.hashCode()
result = 31 * result + hotseatQsbSpace.hashCode()
result = 31 * result + spec.hashCode()
return result
}
override fun equals(other: Any?): Boolean {
return other is CalculatedHotseatSpec &&
availableSpace == other.availableSpace &&
hotseatQsbSpace == other.hotseatQsbSpace &&
spec == other.spec
}
override fun toString(): String {
return "${this::class.simpleName}(" +
"availableSpace=$availableSpace, hotseatQsbSpace=$hotseatQsbSpace, " +
"${spec::class.simpleName}.maxAvailableSize=${spec.maxAvailableSize}" +
")"
}
}
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