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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 com.android.launcher3.R
import com.android.launcher3.responsive.ResponsiveSpec.SpecType
import com.android.launcher3.util.ResourceHelper
class FolderSpecs(widthSpecs: List<FolderSpec>, heightSpecs: List<FolderSpec>) :
ResponsiveSpecs<FolderSpec>(widthSpecs, heightSpecs) {
fun getCalculatedWidthSpec(
columns: Int,
availableWidth: Int,
calculatedWorkspaceSpec: CalculatedWorkspaceSpec
): CalculatedFolderSpec {
check(calculatedWorkspaceSpec.spec.specType == SpecType.WIDTH) {
"Invalid specType for CalculatedWorkspaceSpec. " +
"Expected: ${SpecType.WIDTH} - " +
"Found: ${calculatedWorkspaceSpec.spec.specType}}"
}
val spec = getWidthSpec(availableWidth)
return CalculatedFolderSpec(availableWidth, columns, spec, calculatedWorkspaceSpec)
}
fun getCalculatedHeightSpec(
rows: Int,
availableHeight: Int,
calculatedWorkspaceSpec: CalculatedWorkspaceSpec
): CalculatedFolderSpec {
check(calculatedWorkspaceSpec.spec.specType == SpecType.HEIGHT) {
"Invalid specType for CalculatedWorkspaceSpec. " +
"Expected: ${SpecType.HEIGHT} - " +
"Found: ${calculatedWorkspaceSpec.spec.specType}}"
}
val spec = getHeightSpec(availableHeight)
return CalculatedFolderSpec(availableHeight, rows, spec, calculatedWorkspaceSpec)
}
companion object {
private const val XML_FOLDER_SPEC = "folderSpec"
@JvmStatic
fun create(resourceHelper: ResourceHelper): FolderSpecs {
val parser = ResponsiveSpecsParser(resourceHelper)
val specs = parser.parseXML(XML_FOLDER_SPEC, ::FolderSpec)
val (widthSpecs, heightSpecs) = specs.partition { it.specType == SpecType.WIDTH }
return FolderSpecs(widthSpecs, heightSpecs)
}
}
}
data class FolderSpec(
override val maxAvailableSize: Int,
override val specType: SpecType,
override val startPadding: SizeSpec,
override val endPadding: SizeSpec,
override val gutter: SizeSpec,
override val cellSize: SizeSpec
) : ResponsiveSpec(maxAvailableSize, specType, startPadding, endPadding, gutter, cellSize) {
init {
check(isValid()) { "Invalid FolderSpec found." }
}
constructor(
attrs: TypedArray,
specs: Map<String, SizeSpec>
) : this(
maxAvailableSize =
attrs.getDimensionPixelSize(R.styleable.ResponsiveSpec_maxAvailableSize, 0),
specType =
SpecType.values()[
attrs.getInt(R.styleable.ResponsiveSpec_specType, SpecType.HEIGHT.ordinal)],
startPadding = specs.getOrError(SizeSpec.XmlTags.START_PADDING),
endPadding = specs.getOrError(SizeSpec.XmlTags.END_PADDING),
gutter = specs.getOrError(SizeSpec.XmlTags.GUTTER),
cellSize = specs.getOrError(SizeSpec.XmlTags.CELL_SIZE)
)
}
class CalculatedFolderSpec(
availableSpace: Int,
cells: Int,
spec: FolderSpec,
calculatedWorkspaceSpec: CalculatedWorkspaceSpec
) : CalculatedResponsiveSpec(availableSpace, cells, spec, calculatedWorkspaceSpec)
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