321 lines
13 KiB
Kotlin
321 lines
13 KiB
Kotlin
package relax.offline.music.fragment
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import android.annotation.SuppressLint
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import android.content.Context
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import android.os.Handler
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import android.os.Looper
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.KeyEvent
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.view.inputmethod.EditorInfo
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import android.view.inputmethod.InputMethodManager
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import android.widget.TextView
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import android.widget.TextView.OnEditorActionListener
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import androidx.recyclerview.widget.LinearLayoutManager
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import com.google.android.flexbox.AlignItems
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import com.google.android.flexbox.FlexWrap
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import com.google.android.flexbox.FlexboxLayoutManager
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import com.google.android.flexbox.JustifyContent
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import com.gyf.immersionbar.ktx.immersionBar
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import relax.offline.music.adapter.SearchHistoryAdapter
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import relax.offline.music.adapter.SearchSuggestionsAdapter
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import relax.offline.music.databinding.FragmentSearchBinding
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import relax.offline.music.innertube.Innertube
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import relax.offline.music.innertube.models.bodies.SearchBody
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import relax.offline.music.innertube.models.bodies.SearchSuggestionsBody
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import relax.offline.music.innertube.requests.moSearchPage
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import relax.offline.music.innertube.requests.searchSuggestions
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import relax.offline.music.util.LogTag
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import relax.offline.music.view.SearchResultOptimalView
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import relax.offline.music.view.SearchResultOtherView
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import kotlinx.coroutines.channels.Channel
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import kotlinx.coroutines.isActive
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import kotlinx.coroutines.selects.select
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class SearchFragment : MoBaseFragment<FragmentSearchBinding>(), TextWatcher,
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View.OnFocusChangeListener, SearchSuggestionsAdapter.OnItemClickListener,
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OnEditorActionListener, SearchHistoryAdapter.HistoryOnItemClickListener {
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interface SearchFragmentCancelClickListener {
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fun onFragmentClick()
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}
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fun setButtonClickListener(listener: SearchFragmentCancelClickListener) {
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this.buttonClickListener = listener
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}
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private var buttonClickListener: SearchFragmentCancelClickListener? = null
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private val requests: Channel<Request> = Channel(Channel.UNLIMITED)
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sealed class Request {
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data object SearchSuggestions : Request()
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data class SearchData(val input: String) : Request()
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}
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private var searchSuggestionsAdapterAdapter: SearchSuggestionsAdapter? = null
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private var searchSuggestionsList: MutableList<String> = mutableListOf()
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private var searchHistorySet: MutableSet<String> = mutableSetOf()
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private var searchHistory: MutableList<String> = mutableListOf()
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private var searchHistoryAdapter: SearchHistoryAdapter? = null
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override val bindingInflater: (LayoutInflater, ViewGroup?, Boolean) -> FragmentSearchBinding
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get() = FragmentSearchBinding::inflate
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override suspend fun onViewCreated() {
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initView()
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initSearchSuggestionsAdapter()
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initSearchHistoryAdapter()
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initImmersionBar()
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onReceive()
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}
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private fun initView() {
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binding.cancelBtn.setOnClickListener {
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buttonClickListener?.onFragmentClick()
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}
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binding.searchEdit.let {
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it.setOnEditorActionListener(this)
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it.addTextChangedListener(this)
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it.onFocusChangeListener = this
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it.requestFocus()
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}
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binding.deleteInputBtn.setOnClickListener {
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binding.searchEdit.text.clear()
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}
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binding.deleteHistoryBtn.setOnClickListener {
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appStore.searchHistoryStore = emptySet()
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updateHistoryUi()
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}
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}
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private fun initSearchSuggestionsAdapter() {
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searchSuggestionsAdapterAdapter =
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SearchSuggestionsAdapter(requireActivity(), searchSuggestionsList)
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searchSuggestionsAdapterAdapter?.setOnItemClickListener(this)
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binding.searchSuggestionsRv.layoutManager = LinearLayoutManager(
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requireActivity(),
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LinearLayoutManager.VERTICAL,
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false
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)
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binding.searchSuggestionsRv.adapter = searchSuggestionsAdapterAdapter
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}
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private fun initSearchHistoryAdapter() {
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searchHistoryAdapter =
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SearchHistoryAdapter(requireActivity(), searchHistory)
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searchHistoryAdapter?.setOnItemClickListener(this)
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val layoutManager = FlexboxLayoutManager(requireActivity())
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layoutManager.flexWrap = FlexWrap.WRAP // 设置换行方式为自动换行
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layoutManager.alignItems = AlignItems.STRETCH // 设置项目在副轴上的对齐方式为拉伸
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layoutManager.justifyContent = JustifyContent.FLEX_START // 设置主轴上的对齐方式为起始端对齐
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binding.historyRv.layoutManager = layoutManager
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binding.historyRv.adapter = searchHistoryAdapter
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updateHistoryUi()
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}
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@SuppressLint("NotifyDataSetChanged")
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private fun updateHistoryUi() {
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searchHistory.clear()
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searchHistory.addAll(appStore.searchHistoryStore)
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searchHistoryAdapter?.notifyDataSetChanged()
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if (appStore.searchHistoryStore.isNotEmpty()) {
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binding.historyLayout.visibility = View.VISIBLE
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} else {
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binding.historyLayout.visibility = View.GONE
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}
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}
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private fun initImmersionBar() {
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immersionBar {
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statusBarDarkFont(false)
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statusBarView(binding.view)
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}
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}
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@SuppressLint("NotifyDataSetChanged", "SetTextI18n")
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private suspend fun onReceive() {
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while (isActive) {
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select<Unit> {
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requests.onReceive {
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when (it) {
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is Request.SearchSuggestions -> {
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val input = binding.searchEdit.text.toString().trim()
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Innertube.searchSuggestions(SearchSuggestionsBody(input = input))
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?.onSuccess { suggestionsList ->
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LogTag.LogD(TAG, "suggestionsList->${suggestionsList?.size}")
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if (suggestionsList != null) {
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showSearchSuggestions()
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searchSuggestionsList.clear()
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searchSuggestionsList.addAll(suggestionsList)
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searchSuggestionsAdapterAdapter?.notifyDataSetChanged()
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} else {
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binding.searchSuggestionsLayout.visibility = View.GONE
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}
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}?.onFailure { error ->
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LogTag.LogD(TAG, "searchSuggestions onFailure->${error}")
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binding.searchSuggestionsLayout.visibility = View.GONE
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}
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}
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is Request.SearchData -> {
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binding.contentLayout.removeAllViews()
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binding.searchEdit.clearFocus()
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showLoadingLayout()
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val input = it.input
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if (input.isNotEmpty()) {
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searchHistorySet.clear()
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searchHistorySet.addAll(appStore.searchHistoryStore)
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if (!appStore.searchHistoryStore.contains(input)) {//把不存在的记录保存到集合中
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searchHistorySet.add(input)
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}
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appStore.searchHistoryStore = searchHistorySet
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updateHistoryUi()
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Innertube.moSearchPage(SearchBody(query = input))?.onSuccess { result ->
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showResultContent()
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for (dataPage: Innertube.SearchDataPage in result) {
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LogTag.LogD(TAG,"moSearchPage dataPage->$dataPage")
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if (dataPage.type == 1) {//type为1的是最佳结果。
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binding.contentLayout.addView(
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SearchResultOptimalView(requireActivity(), dataPage)
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)
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} else if (dataPage.type == 2) {//type为2的是其他搜索结果。
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if (dataPage.searchResultList.isNotEmpty()) {//如何数据集合为空就不添加view
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binding.contentLayout.addView(
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SearchResultOtherView(
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requireActivity(),
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dataPage
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)
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)
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}
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}
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}
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}?.onFailure {
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showNoContentLayout()
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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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}
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override fun onHiddenChanged(hidden: Boolean) {
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super.onHiddenChanged(hidden)
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if (!hidden) {
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binding.searchEdit.requestFocus()
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} else {
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binding.searchEdit.clearFocus()
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binding.searchEdit.text.clear()
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binding.contentLayout.removeAllViews()
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}
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}
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override fun onHistoryItemClick(position: Int) {
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binding.searchEdit.setText(searchHistory[position])
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requests.trySend(Request.SearchData(searchHistory[position]))
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}
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override fun onItemClick(position: Int) {
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binding.searchEdit.setText(searchSuggestionsList[position])
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requests.trySend(Request.SearchData(searchSuggestionsList[position]))
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}
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override fun onEditorAction(v: TextView?, actionId: Int, event: KeyEvent?): Boolean {
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if (actionId == EditorInfo.IME_ACTION_SEARCH) {
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requests.trySend(Request.SearchData(binding.searchEdit.text.toString().trim()))
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return true
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}
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return false
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}
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override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
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@SuppressLint("NotifyDataSetChanged")
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override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
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if (s.isNullOrEmpty()) {//没有输入内容，隐藏删除按钮，展示历史记录，重新获取焦点弹出键盘。
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binding.deleteInputBtn.visibility = View.GONE
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showSearchHistory()
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updateHistoryUi()
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binding.searchEdit.requestFocus()
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} else {
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binding.deleteInputBtn.visibility = View.VISIBLE
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}
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}
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override fun afterTextChanged(s: Editable?) {
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requests.trySend(Request.SearchSuggestions)
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}
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override fun onFocusChange(v: View?, hasFocus: Boolean) {
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if (hasFocus) {
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Handler(Looper.getMainLooper()).postDelayed({
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showImm()
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}, 200)
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} else {
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Handler(Looper.getMainLooper()).postDelayed({
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hideImm()
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}, 200)
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}
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}
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private fun showImm() {
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val imm =
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requireActivity().getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
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imm.showSoftInput(binding.searchEdit, InputMethodManager.SHOW_IMPLICIT)
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}
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private fun hideImm() {
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val imm =
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requireActivity().getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
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imm.hideSoftInputFromWindow(binding.searchEdit.windowToken, 0)
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}
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private fun showResultContent() {
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binding.contentScrollView.visibility = View.VISIBLE
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binding.searchSuggestionsLayout.visibility = View.GONE
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binding.historyLayout.visibility = View.GONE
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binding.loadingLayout.visibility = View.GONE
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binding.noContentLayout.visibility = View.GONE
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}
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private fun showSearchSuggestions() {
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binding.contentScrollView.visibility = View.GONE
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binding.searchSuggestionsLayout.visibility = View.VISIBLE
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binding.historyLayout.visibility = View.GONE
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binding.loadingLayout.visibility = View.GONE
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binding.noContentLayout.visibility = View.GONE
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}
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private fun showSearchHistory() {
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binding.contentScrollView.visibility = View.GONE
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binding.searchSuggestionsLayout.visibility = View.GONE
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binding.historyLayout.visibility = View.VISIBLE
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binding.loadingLayout.visibility = View.GONE
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binding.noContentLayout.visibility = View.GONE
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}
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private fun showLoadingLayout() {
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binding.loadingLayout.visibility = View.VISIBLE
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binding.noContentLayout.visibility = View.GONE
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binding.contentScrollView.visibility = View.GONE
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binding.searchSuggestionsLayout.visibility = View.GONE
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binding.historyLayout.visibility = View.GONE
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}
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private fun showNoContentLayout() {
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binding.loadingLayout.visibility = View.GONE
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binding.noContentLayout.visibility = View.VISIBLE
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binding.contentScrollView.visibility = View.GONE
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binding.searchSuggestionsLayout.visibility = View.GONE
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binding.historyLayout.visibility = View.GONE
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}
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} |