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+package com.adealink.weparty.music.local
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+
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+import android.animation.ObjectAnimator
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+import android.animation.ValueAnimator
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+import android.content.Intent
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+import android.media.MediaScannerConnection
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+import android.net.Uri
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+import android.os.Bundle
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+import android.view.View
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+import android.view.animation.LinearInterpolator
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+import androidx.activity.result.ActivityResult
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+import androidx.activity.result.contract.ActivityResultContracts
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+import androidx.annotation.OptIn
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+import androidx.appcompat.app.AppCompatActivity.RESULT_OK
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+import androidx.constraintlayout.widget.ConstraintLayout
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+import androidx.core.view.updateLayoutParams
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+import androidx.fragment.app.viewModels
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+import androidx.media3.common.MimeTypes
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+import androidx.media3.common.MimeTypes.BASE_TYPE_AUDIO
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+import androidx.media3.common.util.UnstableApi
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+import androidx.recyclerview.widget.LinearLayoutManager
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+import androidx.recyclerview.widget.RecyclerView
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+import com.adealink.frame.base.Rlt
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+import com.adealink.frame.base.fastLazy
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+import com.adealink.frame.ext.isViewBindingValid
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+import com.adealink.frame.log.Log
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+import com.adealink.frame.mvvm.view.viewBinding
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+import com.adealink.frame.util.getPathFromUri
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+import com.adealink.frame.util.runOnUiThread
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+import com.adealink.weparty.commonui.ext.gone
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+import com.adealink.weparty.commonui.ext.show
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+import com.adealink.weparty.commonui.recycleview.adapter.ExtMultiTypeAdapter
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+import com.adealink.weparty.commonui.toast.util.showFailedToast
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+import com.adealink.weparty.commonui.widget.BottomDialogFragment
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+import com.adealink.weparty.module.music.TAG_MUSIC
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+import com.adealink.weparty.module.music.data.MusicItem
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+import com.adealink.weparty.music.ISearchMusicFragment
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+import com.adealink.weparty.music.R
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+import com.adealink.weparty.music.databinding.DialogLocalMusicBinding
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+import com.adealink.weparty.music.databinding.FragmentLocalMusicBinding
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+import com.adealink.weparty.music.listener.OnMusicItemListener
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+import com.adealink.weparty.music.local.adapter.LocalMusicItemViewBinder
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+import com.adealink.weparty.music.viewmodel.MusicViewModel
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+
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+class LocalMusicDialog : BottomDialogFragment(R.layout.dialog_local_music),
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+ ISearchMusicFragment,
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+ OnMusicItemListener {
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+
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+ companion object {
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+
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+ fun newInstance(): LocalMusicDialog {
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+ return LocalMusicDialog()
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+ }
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+ }
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+
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+ private val binding by viewBinding(DialogLocalMusicBinding::bind)
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+ private val musicViewModel by viewModels<MusicViewModel>({ requireActivity() })
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+ private val adapter by fastLazy { ExtMultiTypeAdapter() }
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+ private var scanAnim: ValueAnimator? = null
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+ override var searchMode: Boolean = false
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+
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+ override fun initViews() {
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+ super.initViews()
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+ binding.backBtn.setOnClickListener {
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+ dismiss()
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+ }
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+ binding.scanBtn.setOnClickListener {
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+ startScanAnim()
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+
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+ openFilePicker()
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+ }
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+ binding.musicList.itemAnimator = null
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+ binding.musicList.layoutManager = LinearLayoutManager(context, RecyclerView.VERTICAL, false)
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+ adapter.register(LocalMusicItemViewBinder(this))
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+ binding.musicList.adapter = adapter
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+ }
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+
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+ private val filePickerLauncher =
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+ registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result: ActivityResult ->
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+ if (result.resultCode == RESULT_OK) {
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+ val data = result.data
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+ if (data != null) {
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+ handleFilePickerResult(data)
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+ }
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+ return@registerForActivityResult
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+ }
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+
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+ musicViewModel.getLocalMusic(true).observe(viewLifecycleOwner) {
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+ stopScanAnim()
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+ }
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+ }
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+
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+ private fun openFilePicker() {
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+ val intent = Intent(Intent.ACTION_OPEN_DOCUMENT)
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+ intent.setType("audio/*")
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+ intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true)
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+ intent.addCategory(Intent.CATEGORY_OPENABLE)
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+ filePickerLauncher.launch(intent)
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+ }
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+
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+ private fun handleFilePickerResult(data: Intent) {
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+ val uris: MutableList<Uri> = ArrayList()
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+ if (data.clipData != null) {
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+ val count = data.clipData!!.itemCount
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+ for (i in 0 until count) {
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+ val fileUri = data.clipData!!.getItemAt(i).uri
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+ uris.add(fileUri)
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+ }
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+ } else if (data.data != null) {
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+ val fileUri = data.data ?: return
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+ uris.add(fileUri)
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+ }
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+
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+ // 扫描选定的文件
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+ scanFiles(uris.toList())
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+ }
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+
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+ @OptIn(UnstableApi::class)
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+ private fun scanFiles(uris: List<Uri>) {
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+ val paths = arrayOfNulls<String>(uris.size)
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+ for (i in uris.indices) {
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+ val uri = uris[i]
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+ Log.v(TAG_MUSIC, "scanFile: $uri")
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+ val path: String = getPathFromUri(requireContext(), uri).toString()
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+ paths[i] = path
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+ }
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+ var count = 0
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+ MediaScannerConnection.scanFile(
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+ context,
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+ paths,
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+ arrayOf(MimeTypes.normalizeMimeType(BASE_TYPE_AUDIO))
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+ ) { path, uri ->
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+ Log.v(TAG_MUSIC, "onScanCompleted: $path $uri")
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+ count++
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+ if (count == paths.size) {
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+ runOnUiThread {
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+ if (!isViewBindingValid()) {
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+ return@runOnUiThread
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+ }
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+ musicViewModel.getLocalMusic(true).observe(viewLifecycleOwner) {
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+ stopScanAnim()
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+ }
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+ }
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+ }
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+ }
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+
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+ }
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+
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+ override fun observeViewModel() {
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+ super.observeViewModel()
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+ musicViewModel.localMusicLD.observe(viewLifecycleOwner) {
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+ updateList(it)
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+ }
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+ musicViewModel.localMusicItemChangedLD.observe(viewLifecycleOwner) {
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+ adapter.notifyItemChanged(it) { old, new -> old.audioId == new.audioId }
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+ }
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+ }
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+
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+ override fun loadData() {
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+ super.loadData()
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+ musicViewModel.getLocalMusic(false)
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+ }
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+
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+ override fun onAddClick(item: MusicItem) {
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+ super.onAddClick(item)
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+ musicViewModel.addToMyMusic(item).observe(viewLifecycleOwner) {
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+ showFailedToast(it)
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+ }
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+ }
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+
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+ override fun onRemoveClick(item: MusicItem) {
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+ super.onRemoveClick(item)
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+ musicViewModel.removeFromMyMusic(item)
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+ }
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+
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+ private fun showEmpty() {
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+ binding.musicList.visibility = View.GONE
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+ binding.emptyView.visibility = View.VISIBLE
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+ binding.emptyView.show(com.adealink.weparty.R.drawable.common_list_empty_ic, R.string.music_empty)
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+ }
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+
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+ private fun showContent() {
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+ binding.musicList.visibility = View.VISIBLE
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+ binding.emptyView.visibility = View.GONE
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+ }
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+
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+ private fun startScanAnim() {
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+ if (!isViewBindingValid()) {
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+ return
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+ }
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+ if (scanAnim == null) {
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+ scanAnim = ObjectAnimator.ofFloat(binding.scanIcon, "rotation", 0f, 360f)
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+ scanAnim?.duration = 200
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+ scanAnim?.repeatMode = ValueAnimator.RESTART
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+ scanAnim?.repeatCount = ValueAnimator.INFINITE
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+ scanAnim?.interpolator = LinearInterpolator()
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+ }
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+ scanAnim?.start()
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+ }
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+
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+ private fun stopScanAnim() {
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+ scanAnim?.end()
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+ }
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+
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+ private fun clearAdapter() {
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+ updateList(arrayListOf())
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+ }
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+
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+ private fun updateList(list: List<MusicItem>) {
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+ if (list.isEmpty()) {
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+ showEmpty()
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+ } else {
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+ showContent()
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+ }
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+ adapter.items = list
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+ adapter.notifyDataSetChanged()
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+ }
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+
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+ override fun search(keyword: String) {
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+ if (!isViewCreated()) {
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+ return
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+ }
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+
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+ if (!searchMode) {
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+ clearAdapter()
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+ }
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+ searchMode = true
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+ musicViewModel.searchLocalMusic(keyword).observe(viewLifecycleOwner) {
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+ if (!searchMode) {
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+ return@observe
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+ }
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+
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+ if (it is Rlt.Success) {
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+ updateList(it.data)
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+ }
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+ }
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+ }
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+
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+ override fun finishSearch() {
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+ if (!searchMode) {
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+ return
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+ }
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+
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+ searchMode = false
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+ if (!isViewCreated()) {
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+ return
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+ }
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+
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+ clearAdapter()
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+ musicViewModel.getLocalMusic(false)
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+ }
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+
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+}
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wutiaorong