X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fviews%2FWrapVerticalContentViewPager.kt;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fviews%2FWrapVerticalContentViewPager.kt;h=0d1f0ff3ba10a7b6c1d46c51b3524acc3856a0b2;hp=0000000000000000000000000000000000000000;hb=6ea3e4ebd779594b45ad8f51cc40761bb6d89030;hpb=bda37dc9784e900cb64b87af3e221e11320d9d01 diff --git a/app/src/main/java/com/stoutner/privacybrowser/views/WrapVerticalContentViewPager.kt b/app/src/main/java/com/stoutner/privacybrowser/views/WrapVerticalContentViewPager.kt new file mode 100644 index 00000000..0d1f0ff3 --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/views/WrapVerticalContentViewPager.kt @@ -0,0 +1,56 @@ +/* + * Copyright © 2017,2019,2021 Soren Stoutner . + * + * This file is part of Privacy Browser . + * + * Privacy Browser is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Privacy Browser is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Privacy Browser. If not, see . + */ + +package com.stoutner.privacybrowser.views + +import android.content.Context +import android.util.AttributeSet + +import androidx.viewpager.widget.ViewPager + +class WrapVerticalContentViewPager : ViewPager { + // The constructors. + constructor(context: Context) : super(context) + constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) + + override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { + // Perform an initial `super.onMeasure`, which populates the child count. + super.onMeasure(widthMeasureSpec, heightMeasureSpec) + + // Initialize the maximum height variable. + var maximumHeight = 0 + + // Find the maximum height of each of the child views. + for (i in 0 until childCount) { + // Get the child view. + val childView = getChildAt(i) + + // Measure the child view height with no constraints. + childView.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)) + + // Store the child's height if it is larger than the maximum height. + if (childView.measuredHeight > maximumHeight) { + maximumHeight = childView.measuredHeight + } + } + + // Perform a final `super.onMeasure` to set the maximum height. + super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(maximumHeight, MeasureSpec.EXACTLY)) + } +} \ No newline at end of file