GPreviewActivity.kt

package com.yidianling.consultant.preview

import android.animation.ObjectAnimator
import android.annotation.SuppressLint
import android.graphics.Color
import android.os.Bundle
import android.view.View
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentManager
import androidx.fragment.app.FragmentStatePagerAdapter
import androidx.viewpager.widget.ViewPager
import com.ydl.ydlcommon.modular.ModularServiceManager
import com.ydl.ydlcommon.utils.StatusBarUtils
import com.yidianling.consultant.R
import com.yidianling.consultant.preview.GPreviewBuilder.IndicatorType
import com.yidianling.consultant.preview.SmoothImageView.onTransformListener
import com.yidianling.im.api.listener.ApiStringResponseCallback
import com.yidianling.im.api.service.IImService
import kotlinx.android.synthetic.main.consultant_image_preview_photo.*
import kotlinx.android.synthetic.main.fragment_image_photo_layout.*
import java.util.*

/**
 * @author rainb
 */
class GPreviewActivity : AppCompatActivity() {
    protected var isTransformOut = false

    /*** 图片的地址 */
    private var imgUrls: MutableList<IThumbViewInfo>? = null

    /*** 当前图片的位置  */
    protected var currentIndex = 0

    /***指示器类型枚举 */
    private var type: IndicatorType? = null

    /***默认显示 */
    private var isShow = true

    private var toUid: String? = null

    private var doctorId: String? = null
    /***
     * 得到PhotoViewPager
     * @return PhotoViewPager
     */
    /*** 展示图片的viewPager  */
    var viewPager: PhotoViewPager? = null
        private set

    /*** 图片的展示的Fragment */
    private var fragments: MutableList<BasePhotoFragment>? = ArrayList()
    private var backIv: View? = null
    private var btnLL: View? = null
    private var titleBar: View? = null
    private var selectPosition: TextView? = null
    private var total: TextView? = null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        initData()
        setContentView(R.layout.consultant_image_preview_photo)
        setWindowStatusBarColor()
        initView()
    }

    /**
     * 初始化状态栏位置
     */

    private fun setWindowStatusBarColor() {
        StatusBarUtils.Companion.setWindowStatusBarColor(this, R.color.black)
        StatusBarUtils.Companion.setStatusBarLightMode(this, false)
    }

    private fun initView() {
        viewPager = findViewById(R.id.viewPager)
        //viewPager的适配器
        val adapter = PhotoPagerAdapter(supportFragmentManager)
        viewPager?.adapter = adapter
        viewPager?.currentItem = currentIndex
        backIv = findViewById(R.id.ivBack)
        btnLL = findViewById(R.id.btnLL)
        selectPosition = findViewById(R.id.select_position)
        total = findViewById(R.id.total)
        titleBar = findViewById(R.id.titleBar)

        chatBtn.setOnClickListener {
            if (!toUid.isNullOrBlank()) {
                ModularServiceManager.provide(IImService::class.java)
                    .startChat(this@GPreviewActivity, toUid.toString(), 0x001, 0, 0, false)

                Timer().schedule(object : TimerTask() {
                    override fun run() {
                        runOnUiThread {
                            if (fragments != null && currentIndex < fragments!!.size) {
                                fragments!![currentIndex].stopVideo()
                            }
                        }
                    }
                }, 2000)


            }
        }


        bookingBtn.setOnClickListener {
            ModularServiceManager.provide(IImService::class.java)
                .showConsultServiceDialog(activity = this, toUid = toUid!!, doctorId = doctorId!!)
        }


        backIv?.setOnClickListener(View.OnClickListener {
            transformOutAnim()
            transformOut()
        })
        selectPosition?.setText((currentIndex + 1).toString() + "")
        total?.setText(if (imgUrls == null) "0" else imgUrls!!.size.toString() + "")
        viewPager?.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
            override fun onPageScrolled(
                position: Int,
                positionOffset: Float,
                positionOffsetPixels: Int
            ) {
            }

            override fun onPageSelected(position: Int) {
                currentIndex = position;
                selectPosition?.setText((position + 1).toString() + "")
            }

            override fun onPageScrollStateChanged(state: Int) {}
        })
//        viewPager.setOffscreenPageLimit(3);
    }

    override fun onResume() {
        super.onResume()
        if (toUid != null) {
            //在uid用户类型确定为专家的情况下，根据uid调用接口判断是进入专家私聊还是助理私聊
            try {
                ModularServiceManager.provide(IImService::class.java)
                    .getChatUid(context = this, uid = toUid!!, callback = object :
                        ApiStringResponseCallback {
                        override fun onUidCallback(uid: String) {
                            val unReadNum =
                                ModularServiceManager.provide(IImService::class.java)
                                    .getUnReadByUid(uid!!)
                            when {
                                unReadNum <= 0 -> {
                                    un_read_num_ll.visibility = View.GONE
                                }
                                unReadNum > 99 -> {
                                    un_read_num_ll.visibility = View.VISIBLE
                                    un_read_num.text = "99"
                                }
                                else -> {
                                    un_read_num_ll.visibility = View.VISIBLE
                                    un_read_num.text = unReadNum.toString()
                                }
                            }
                        }
                    })
            } catch (e: Exception) {
            }
        }
    }

    private fun initData() {
        imgUrls = intent.getParcelableArrayListExtra("imagePaths")
        currentIndex = intent.getIntExtra("position", -1)
        type = intent.getSerializableExtra("type") as IndicatorType
        isShow = intent.getBooleanExtra("isShow", true)
        toUid = intent.getStringExtra("toUid")
        doctorId = intent.getStringExtra("doctorId")

        val isScale = intent.getBooleanExtra("isScale", false)
        SmoothImageView.setIsScale(isScale)
        initFragment(imgUrls, currentIndex, BasePhotoFragment::class.java)


    }

    private fun initFragment(
        imgUrls: List<IThumbViewInfo>?,
        currentIndex: Int,
        className: Class<BasePhotoFragment>
    ) {
        if (imgUrls != null) {
            val size = imgUrls.size
            for (i in 0 until size) {
                fragments!!.add(
                    BasePhotoFragment.getInstance(
                        className, imgUrls[i],
                        currentIndex == i,
                        intent.getBooleanExtra("isSingleFling", false),
                        intent.getBooleanExtra("isDrag", false),
                        intent.getFloatExtra("sensitivity", 0.5f)
                    )
                )
            }
        } else {
            finish()
        }
    }

    override fun onDestroy() {
        ZoomMediaLoader.getInstance().loader.clearMemory(this)
        if (viewPager != null) {
            viewPager!!.adapter = null
            viewPager!!.clearOnPageChangeListeners()
            viewPager!!.removeAllViews()
            viewPager = null
        }
        if (fragments != null) {
            fragments!!.clear()
            fragments = null
        }
        if (imgUrls != null) {
            imgUrls!!.clear()
            imgUrls = null
        }
        super.onDestroy()
    }

    /***
     * 得到PhotoViewPager
     * @return PhotoViewPager
     */
    @JvmName("getViewPager1")
    fun getViewPager(): PhotoViewPager? {
        return viewPager
    }

    fun transformOut() {
        if (isTransformOut) {
            return
        }
        viewPager!!.isEnabled = false
        isTransformOut = true
        val currentItem = viewPager!!.currentItem
        if (currentItem < imgUrls!!.size) {
            if (imgUrls!![currentItem].sourcesType == 1) {
                val fragment = fragments!![currentItem]
                fragment.changeBg(Color.TRANSPARENT)
                fragment.transformOut(onTransformListener {
                    getViewPager()?.setEnabled(true)
                    exit()
                })
            } else if (imgUrls!![currentItem].sourcesType == 2) {
                exitNormal()
            }
        } else {
            exit()
        }
    }

    /**
     * 关闭页面
     */
    private fun exit() {
        finish()
        overridePendingTransition(0, 0)
    }

    private fun exitNormal() {
        finish()
    }

    override fun onBackPressed() {
        isTransformOut = false
        transformOutAnim()
        transformOut()
    }

    override fun finish() {
//        BasePhotoFragment.listener=null;
        super.finish()
    }

    /**
     * pager的适配器
     */
    private inner class PhotoPagerAdapter internal constructor(fm: FragmentManager?) :
        FragmentStatePagerAdapter(fm!!) {
        override fun getItem(position: Int): Fragment {
            return fragments!![position]
        }

        override fun getCount(): Int {
            return if (fragments == null) 0 else fragments!!.size
        }
    }

    fun hindView() {
        titleBar!!.visibility = View.GONE
        btnLL!!.visibility = View.GONE
    }

    fun showView() {
        titleBar!!.visibility = View.VISIBLE
        btnLL!!.visibility = View.VISIBLE
    }

    @SuppressLint("ObjectAnimatorBinding")
    fun transformOutAnim() {
        val animator1 = ObjectAnimator.ofFloat(titleBar, "alpha", 1.0f, 0.0f)
        animator1.duration = 200
        animator1.start()
        val animator2 = ObjectAnimator.ofFloat(btnLL, "alpha", 1.0f, 0.0f)
        animator2.duration = 200
        animator2.start()
    }
}