package com.lzf.easyfloat.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.view.KeyEvent
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import android.view.MotionEvent
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import android.widget.FrameLayout
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import com.lzf.easyfloat.data.FloatConfig
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import com.lzf.easyfloat.interfaces.OnFloatTouchListener
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import com.lzf.easyfloat.utils.InputMethodUtils
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/**
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* @author: liuzhenfeng
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* @function: 系统浮窗的父布局，对touch事件进行了重新分发
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* @date: 2019-07-10 14:16
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*/
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@SuppressLint("ViewConstructor")
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internal class ParentFrameLayout(
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context: Context,
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private val config: FloatConfig,
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attrs: AttributeSet? = null,
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defStyleAttr: Int = 0
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) : FrameLayout(context, attrs, defStyleAttr) {
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var touchListener: OnFloatTouchListener? = null
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var layoutListener: OnLayoutListener? = null
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private var isCreated = false
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// 布局绘制完成的接口，用于通知外部做一些View操作，不然无法获取view宽高
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interface OnLayoutListener {
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fun onLayout()
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}
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override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
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super.onLayout(changed, left, top, right, bottom)
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// 初次绘制完成的时候，需要设置对齐方式、坐标偏移量、入场动画
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if (!isCreated) {
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isCreated = true
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layoutListener?.onLayout()
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}
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}
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override fun onInterceptTouchEvent(event: MotionEvent?): Boolean {
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if (event != null) touchListener?.onTouch(event)
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// 是拖拽事件就进行拦截，反之不拦截
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// ps：拦截后将不再回调该方法，会交给该view的onTouchEvent进行处理，所以后续事件需要在onTouchEvent中回调
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return config.isDrag || super.onInterceptTouchEvent(event)
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}
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@SuppressLint("ClickableViewAccessibility")
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override fun onTouchEvent(event: MotionEvent?): Boolean {
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if (event != null) touchListener?.onTouch(event)
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return config.isDrag || super.onTouchEvent(event)
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}
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/**
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* 按键转发到视图的分发方法，在这里关闭输入法
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*/
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override fun dispatchKeyEventPreIme(event: KeyEvent?): Boolean {
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if (config.hasEditText && event?.action == KeyEvent.ACTION_DOWN && event.keyCode == KeyEvent.KEYCODE_BACK) {
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InputMethodUtils.closedInputMethod(config.floatTag)
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}
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return super.dispatchKeyEventPreIme(event)
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}
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override fun onDetachedFromWindow() {
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super.onDetachedFromWindow()
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config.callbacks?.dismiss()
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config.floatCallbacks?.builder?.dismiss?.invoke()
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}
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}
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