forked from melod1n/fast-messenger
61 lines
2.1 KiB
Kotlin
61 lines
2.1 KiB
Kotlin
package com.meloda.fast.widget
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import android.annotation.SuppressLint
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import android.content.Context
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import android.util.AttributeSet
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import android.widget.LinearLayout
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import com.meloda.fast.R
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class BoundedLinearLayout : LinearLayout {
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private var mBoundedWidth: Int
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private var mBoundedHeight: Int
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constructor(context: Context?) : super(context) {
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mBoundedWidth = 0
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mBoundedHeight = 0
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}
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@SuppressLint("CustomViewStyleable")
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constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
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val a = context.obtainStyledAttributes(attrs, R.styleable.BoundedView)
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mBoundedWidth = a.getDimensionPixelSize(R.styleable.BoundedView_bounded_width, 0)
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mBoundedHeight = a.getDimensionPixelSize(R.styleable.BoundedView_bounded_height, 0)
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a.recycle()
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}
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var maxWidth: Int
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get() = mBoundedWidth
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set(width) {
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if (mBoundedWidth != width) {
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mBoundedWidth = width
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requestLayout()
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}
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}
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var maxHeight: Int
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get() = mBoundedHeight
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set(height) {
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if (mBoundedHeight != height) {
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mBoundedHeight = height
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requestLayout()
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}
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}
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override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
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// Adjust width as necessary
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var widthMeasureSpec = widthMeasureSpec
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var heightMeasureSpec = heightMeasureSpec
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val measuredWidth = MeasureSpec.getSize(widthMeasureSpec)
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if (mBoundedWidth in 1 until measuredWidth) {
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val measureMode = MeasureSpec.getMode(widthMeasureSpec)
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widthMeasureSpec = MeasureSpec.makeMeasureSpec(mBoundedWidth, measureMode)
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}
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// Adjust height as necessary
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val measuredHeight = MeasureSpec.getSize(heightMeasureSpec)
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if (mBoundedHeight in 1 until measuredHeight) {
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val measureMode = MeasureSpec.getMode(heightMeasureSpec)
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heightMeasureSpec = MeasureSpec.makeMeasureSpec(mBoundedHeight, measureMode)
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}
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super.onMeasure(widthMeasureSpec, heightMeasureSpec)
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}
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} |