package com.kuanzhai.driver.utils.EasePopup;
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import android.content.Context;
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import android.graphics.drawable.ColorDrawable;
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import android.os.Build;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.PopupWindow;
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/**
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* Created by CaostGrace on 2018/6/21 13:14
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*
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* @project_name: ChatApp
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* @package_name: com.cdwh.chatApp.ui.widget
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* @class_name: CommonPopupWindow
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* @github: https://github.com/CaostGrace
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* @简书: http://www.jianshu.com/u/b252a19d88f3
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* @content:
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*/
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public abstract class CommonPopupWindow {
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protected Context context;
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protected View contentView;
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public PopupWindow mInstance;
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public CommonPopupWindow(Context c, int layoutRes, int w, int h) {
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context=c;
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contentView= LayoutInflater.from(c).inflate(layoutRes, null, false);
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initView();
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initEvent();
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mInstance=new PopupWindow(contentView, w, h, true);
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initWindow();
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}
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public View getContentView() { return contentView; }
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public PopupWindow getPopupWindow() { return mInstance; }
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protected abstract void initView();
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protected abstract void initEvent();
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protected void initWindow() {
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mInstance.setBackgroundDrawable(new ColorDrawable(0xff000000));
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mInstance.setOutsideTouchable(true);
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mInstance.setTouchable(true);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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mInstance.setElevation(10.0f);
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}
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}
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public void showBashOfAnchor(View anchor, LayoutGravity layoutGravity, int xmerge, int ymerge) {
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int[] offset=layoutGravity.getOffset(anchor, mInstance);
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mInstance.showAsDropDown(anchor, offset[0]+xmerge, offset[1]+ymerge);
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}
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public void showAsDropDown(View anchor, int xoff, int yoff) {
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mInstance.showAsDropDown(anchor, xoff, yoff);
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}
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public void showAsDropDown(View anchor, int xoff, int yoff, int gravity) {
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mInstance.showAsDropDown(anchor, xoff, yoff,gravity);
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}
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public void showAtLocation(View parent, int gravity, int x, int y) {
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mInstance.showAtLocation(parent, gravity, x, y);
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}
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public static class LayoutGravity {
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private int layoutGravity;
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// waring, don't change the order of these constants!
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public static final int ALIGN_LEFT=0x1;
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public static final int ALIGN_ABOVE=0x2;
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public static final int ALIGN_RIGHT=0x4;
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public static final int ALIGN_BOTTOM=0x8;
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public static final int TO_LEFT=0x10;
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public static final int TO_ABOVE=0x20;
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public static final int TO_RIGHT=0x40;
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public static final int TO_BOTTOM=0x80;
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public static final int CENTER_HORI=0x100;
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public static final int CENTER_VERT=0x200;
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public LayoutGravity(int gravity) {
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layoutGravity=gravity;
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}
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public int getLayoutGravity() { return layoutGravity; }
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public void setLayoutGravity(int gravity) { layoutGravity=gravity; }
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public void setHoriGravity(int gravity) {
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layoutGravity&=(0x2+0x8+0x20+0x80+0x200);
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layoutGravity|=gravity;
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}
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public void setVertGravity(int gravity) {
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layoutGravity&=(0x1+0x4+0x10+0x40+0x100);
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layoutGravity|=gravity;
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}
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public boolean isParamFit(int param) {
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return (layoutGravity & param) > 0;
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}
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public int getHoriParam() {
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for(int i=0x1; i<=0x100; i=i<<2)
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if(isParamFit(i))
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return i;
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return ALIGN_LEFT;
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}
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public int getVertParam() {
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for(int i=0x2; i<=0x200; i=i<<2)
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if(isParamFit(i))
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return i;
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return TO_BOTTOM;
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}
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public int[] getOffset(View anchor, PopupWindow window) {
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int anchWidth=anchor.getWidth();
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int anchHeight=anchor.getHeight();
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int winWidth=window.getWidth();
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int winHeight=window.getHeight();
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View view=window.getContentView();
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if(winWidth<=0)
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winWidth=view.getWidth();
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if(winHeight<=0)
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winHeight=view.getHeight();
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int xoff=0;
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int yoff=0;
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switch (getHoriParam()) {
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case ALIGN_LEFT:
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xoff=0; break;
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case ALIGN_RIGHT:
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xoff=anchWidth-winWidth; break;
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case TO_LEFT:
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xoff=-winWidth; break;
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case TO_RIGHT:
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xoff=anchWidth; break;
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case CENTER_HORI:
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xoff=(anchWidth-winWidth)/2; break;
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default:break;
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}
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switch (getVertParam()) {
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case ALIGN_ABOVE:
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yoff=-anchHeight; break;
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case ALIGN_BOTTOM:
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yoff=-winHeight; break;
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case TO_ABOVE:
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yoff=-anchHeight-winHeight; break;
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case TO_BOTTOM:
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yoff=0; break;
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case CENTER_VERT:
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yoff=(-winHeight-anchHeight)/2; break;
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default:break;
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}
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return new int[]{ xoff, yoff };
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}
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}
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}
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