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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>.
*/
package com.keylesspalace.tusky.util
import android.text.Editable
import android.text.TextWatcher
import android.view.View
import android.widget.EditText
import android.util.TypedValue
import android.content.res.Resources
import android.view.TouchDelegate
import android.view.MotionEvent
import android.graphics.Rect
/*import java.util.List
import java.util.ArrayList*/
fun View.show() {
this.visibility = View.VISIBLE
}
fun View.hide() {
this.visibility = View.GONE
}
fun View.visible(visible: Boolean, or: Int = View.GONE) {
this.visibility = if (visible) View.VISIBLE else or
}
class MultipleTouchDelegate : TouchDelegate {
var delegates = mutableListOf<TouchDelegate>()
constructor(v: View) : super(Rect(), v)
public fun addDelegate(delegate: TouchDelegate) {
delegates.add(delegate)
}
override fun onTouchEvent(event: MotionEvent) : Boolean {
var ret = false
val x = event.x
val y = event.y
for(delegate in delegates) {
event.setLocation(x, y)
ret = delegate.onTouchEvent(event) || ret
}
return ret
}
}
fun View.increaseHitArea(vdp: Float, hdp: Float) {
val parent = this.parent as View
val vpixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, vdp, Resources.getSystem().displayMetrics).toInt()
val hpixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, hdp, Resources.getSystem().displayMetrics).toInt()
parent.post {
val rect = Rect()
this.getHitRect(rect)
rect.top -= vpixels
rect.left -= hpixels
rect.bottom += vpixels
rect.right += hpixels
if(parent.touchDelegate != null && parent.touchDelegate is MultipleTouchDelegate) {
(parent.touchDelegate as MultipleTouchDelegate).addDelegate(TouchDelegate(rect, this))
} else {
val mtd = MultipleTouchDelegate(this)
mtd.addDelegate(TouchDelegate(rect, this))
parent.touchDelegate = mtd
}
}
}
open class DefaultTextWatcher : TextWatcher {
override fun afterTextChanged(s: Editable) {
}
override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
}
override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
}
}
inline fun EditText.onTextChanged(
crossinline callback: (s: CharSequence, start: Int, before: Int, count: Int) -> Unit) {
addTextChangedListener(object : DefaultTextWatcher() {
override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
callback(s, start, before, count)
}
})
}
inline fun EditText.afterTextChanged(
crossinline callback: (s: Editable) -> Unit) {
addTextChangedListener(object : DefaultTextWatcher() {
override fun afterTextChanged(s: Editable) {
callback(s)
}
})
}