分离搜索框业务逻辑，优化搜索框搜索体验

publish/changeLog.md

@@ -3,6 +3,10 @@
 - 新增网易云源歌曲搜索
 - 新增网易云源歌单
 
+#### 优化
+
+- 优化搜索框搜索体验
+
 #### 修复
 
 - 修复QQ源歌单无法翻页Bug

src/renderer/components/core/Toolbar.vue

@@ -2,7 +2,9 @@
   div(:class="$style.toolbar")
     //- img(v-if="icon")
     //- h1 {{title}}
-    material-search-input(:class="$style.input")
+    material-search-input(:class="$style.input"
+      @event="handleEvent" :list="tipList" :visibleList="visibleList"
+      v-model="searchText")
     div(:class="$style.control")
       button(type="button" :class="$style.min" title="最小化" @click="min")
       //- button(type="button" :class="$style.max" @click="max")
@@ -11,22 +13,93 @@
 
 <script>
 import { rendererSend } from 'common/icp'
-// import { mapGetters } from 'vuex'
+import { mapGetters } from 'vuex'
+import music from '../../utils/music'
+import { debounce } from '../../utils'
 export default {
-  // props: {
-  //   color: {
-  //     type: String,
-  //     default: color,
-  //   },
-  //   icon: {
-  //     type: Boolean,
-  //     default: false,
-  //   },
-  // },
+  data() {
+    return {
+      searchText: '',
+      visibleList: false,
+      tipList: [],
+      tipSearch: null,
+    }
+  },
   computed: {
-    // ...mapGetters(['theme']),
+    ...mapGetters(['route', 'setting']),
+    ...mapGetters('search', {
+      storeSearchText: 'searchText',
+    }),
+    source() {
+      return this.setting.search.tempSearchSource
+    },
+    isAutoClearInput() {
+      return this.setting.odc.isAutoClearSearchInput
+    },
+  },
+  watch: {
+    route(n) {
+      if (this.isAutoClearInput && n.name != 'search' && this.searchText) this.searchText = ''
+    },
+    'storeSearchText'(n) {
+      if (n !== this.searchText) this.searchText = n
+    },
+    searchText(n) {
+      this.handleTipSearch()
+    },
+  },
+  mounted() {
+    this.tipSearch = debounce(() => {
+      if (this.searchText === '') {
+        this.tipList.splice(0, this.tipList.length)
+        music[this.source].tempSearch.cancelTempSearch()
+        return
+      }
+      music[this.source].tempSearch.search(this.searchText).then(list => {
+        this.tipList = list
+      }).catch(() => {})
+    }, 50)
   },
   methods: {
+    handleEvent({ action, data }) {
+      switch (action) {
+        case 'focus':
+          if (!this.visibleList) this.visibleList = true
+          if (this.searchText) this.handleTipSearch()
+          break
+        case 'blur':
+          setTimeout(() => {
+            if (this.visibleList) this.visibleList = false
+          }, 50)
+          break
+        case 'submit':
+          this.handleSearch()
+          break
+        case 'listClick':
+          this.searchText = this.tipList[data]
+          this.$nextTick(() => {
+            this.handleSearch()
+          })
+      }
+    },
+
+    handleTipSearch() {
+      if (!this.visibleList) this.visibleList = true
+      this.tipSearch()
+    },
+
+    handleSearch() {
+      if (this.visibleList) this.visibleList = false
+      setTimeout(() => {
+        this.$router.push({
+          path: 'search',
+          query: {
+            text: this.searchText,
+          },
+        }).catch(_ => _)
+      }, 200)
+    },
+
     min() {
       rendererSend('min')
     },

src/renderer/components/material/SearchInput.vue

@@ -1,31 +1,46 @@
 <template lang="pug">
 div(:class="[$style.search, focus ? $style.active : '']")
   div(:class="$style.form")
-    input(placeholder="Search for something..." v-model.trim="text"
-          @focus="handleFocus" @blur="handleBlur" @input="handleInput"
+    input(:placeholder="placeholder" v-model.trim="text"
+          @focus="handleFocus" @blur="handleBlur" @input="$emit('input', text)"
+          @change="sendEvent('change')"
           @keyup.enter="handleSearch")
     button(type="button" @click="handleSearch")
-      svg(version='1.1' xmlns='http://www.w3.org/2000/svg' xlink='http://www.w3.org/1999/xlink' height='100%' viewBox='0 0 30.239 30.239' space='preserve')
-        use(xlink:href='#icon-search')
+      slot
+        svg(version='1.1' xmlns='http://www.w3.org/2000/svg' xlink='http://www.w3.org/1999/xlink' height='100%' viewBox='0 0 30.239 30.239' space='preserve')
+          use(xlink:href='#icon-search')
   //- transition(name="custom-classes-transition"
   //-             enter-active-class="animated flipInX"
   //-             leave-active-class="animated flipOutX")
-  div(:class="$style.list" :style="listStyle")
+  div(v-if="list" :class="$style.list" :style="listStyle")
     ul(ref="dom_list")
       li(v-for="(item, index) in list" :key="item" @click="handleTemplistClick(index)")
         span {{item}}
 </template>
 
 <script>
-import { mapGetters } from 'vuex'
-import music from '../../utils/music'
-
 export default {
+  props: {
+    placeholder: {
+      type: String,
+      default: 'Search for something...',
+    },
+    list: {
+      type: Array,
+    },
+    visibleList: {
+      type: Boolean,
+      default: false,
+    },
+    value: {
+      type: String,
+      default: '',
+    },
+  },
   data() {
     return {
       isShow: false,
       text: '',
-      list: [],
       index: null,
       focus: false,
       listStyle: {
@@ -33,64 +48,35 @@ export default {
       },
     }
   },
-  computed: {
-    ...mapGetters(['route', 'setting']),
-    ...mapGetters('search', ['searchText']),
-    isAutoClearInput() {
-      return this.setting.odc.isAutoClearSearchInput
-    },
-    source() {
-      return this.setting.search.tempSearchSource
-    },
-  },
   watch: {
     list(n) {
+      if (!this.visibleList) return
       this.$nextTick(() => {
         this.listStyle.height = this.$refs.dom_list.scrollHeight + 'px'
       })
     },
-    'searchText'(n) {
-      if (n !== this.text) this.text = n
+    value(n) {
+      this.text = n
     },
-    route(n) {
-      if (this.isAutoClearInput && n.name != 'search' && this.text) this.text = ''
+    visibleList(n) {
+      n ? this.showList() : this.hideList()
     },
   },
   methods: {
     handleTemplistClick(index) {
-      this.text = this.list[index]
-      this.handleSearch()
+      this.sendEvent('listClick', index)
     },
     handleFocus() {
       this.focus = true
-      if (this.text) this.handleInput()
-      this.showList()
+      this.sendEvent('focus')
     },
     handleBlur() {
-      setTimeout(() => {
-        this.focus = false
-        this.hideList()
-      }, 200)
+      this.focus = false
+      this.sendEvent('blur')
     },
     handleSearch() {
       this.hideList()
-      this.$router.push({
-        path: 'search',
-        query: {
-          text: this.text,
-        },
-      }).catch(_ => _)
-    },
-    handleInput() {
-      if (this.text === '') {
-        this.list.splice(0, this.list.length)
-        music[this.source].tempSearch.cancelTempSearch()
-        return
-      }
-      if (!this.isShow) this.showList()
-      music[this.source].tempSearch.search(this.text).then(list => {
-        this.list = list
-      }).catch(() => {})
+      this.sendEvent('submit')
     },
     showList() {
       this.isShow = true
@@ -100,6 +86,12 @@ export default {
       this.isShow = false
       this.listStyle.height = 0
     },
+    sendEvent(action, data) {
+      this.$emit('event', {
+        action,
+        data,
+      })
+    },
   },
 }
 </script>

src/renderer/utils/index.js

@@ -305,6 +305,24 @@ export const throttle = (fn, delay = 100) => {
   }
 }
 
+/**
+ * 生成防抖函数
+ * @param {*} fn
+ * @param {*} delay
+ */
+export const debounce = (fn, delay = 100) => {
+  let timer = null
+  let _args = null
+  return function(...args) {
+    _args = args
+    if (timer) clearTimeout(timer)
+    timer = setTimeout(() => {
+      timer = null
+      fn.apply(this, _args)
+    }, delay)
+  }
+}
+
 const async_removeItem = (arr, num, callback) => window.requestAnimationFrame(() => {
   let len = arr.length
   if (len > num) {