forked from GitHub-Mirror/riotX-android
73 lines
2.3 KiB
Kotlin
73 lines
2.3 KiB
Kotlin
/*
|
|
* Copyright 2019 New Vector Ltd
|
|
*
|
|
* 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 im.vector.riotx.core.platform
|
|
|
|
import android.annotation.TargetApi
|
|
import android.content.Context
|
|
import android.content.res.TypedArray
|
|
import android.os.Build
|
|
import android.util.AttributeSet
|
|
import android.view.View
|
|
import android.widget.ScrollView
|
|
|
|
import im.vector.riotx.R
|
|
|
|
private const val DEFAULT_MAX_HEIGHT = 200
|
|
|
|
class MaxHeightScrollView : ScrollView {
|
|
|
|
var maxHeight: Int = 0
|
|
set(value) {
|
|
field = value
|
|
requestLayout()
|
|
}
|
|
|
|
constructor(context: Context) : super(context) {}
|
|
|
|
constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
|
|
if (!isInEditMode) {
|
|
init(context, attrs)
|
|
}
|
|
}
|
|
|
|
constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
|
|
if (!isInEditMode) {
|
|
init(context, attrs)
|
|
}
|
|
}
|
|
|
|
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
|
|
constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes) {
|
|
if (!isInEditMode) {
|
|
init(context, attrs)
|
|
}
|
|
}
|
|
|
|
private fun init(context: Context, attrs: AttributeSet?) {
|
|
if (attrs != null) {
|
|
val styledAttrs = context.obtainStyledAttributes(attrs, R.styleable.MaxHeightScrollView)
|
|
maxHeight = styledAttrs.getDimensionPixelSize(R.styleable.MaxHeightScrollView_maxHeight, DEFAULT_MAX_HEIGHT)
|
|
styledAttrs.recycle()
|
|
}
|
|
}
|
|
|
|
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
|
|
val newHeightMeasureSpec = MeasureSpec.makeMeasureSpec(maxHeight, MeasureSpec.AT_MOST)
|
|
super.onMeasure(widthMeasureSpec, newHeightMeasureSpec)
|
|
}
|
|
}
|