From 27068e62606bed64b0f38f0688976503a0ff8d26 Mon Sep 17 00:00:00 2001
From: handongxun <handongxun@dcloud.io>
Date: Tue, 7 Jul 2020 16:08:32 +0800
Subject: [PATCH] add: H5 <ad>

---
 src/platforms/h5/view/components/ad/index.vue | 249 ++++++++++++++++++
 1 file changed, 249 insertions(+)
 create mode 100644 src/platforms/h5/view/components/ad/index.vue

diff --git a/src/platforms/h5/view/components/ad/index.vue b/src/platforms/h5/view/components/ad/index.vue
new file mode 100644
index 000000000..9c97c7018
--- /dev/null
+++ b/src/platforms/h5/view/components/ad/index.vue
@@ -0,0 +1,249 @@
+<template>
+  <uni-ad
+    v-bind="attrs"
+    v-on="$listeners"
+  >
+    <div
+      ref="container"
+      class="uni-ad-container"
+    />
+  </uni-ad>
+</template>
+<script>
+import {
+  subscriber
+} from 'uni-mixins'
+
+class AdConfig {
+  static get instance () {
+    if (this._instance == null) {
+      this._instance = new AdConfig()
+      this._instance._init()
+    }
+    return this._instance
+  }
+
+  constructor () {
+    this._instance = null
+    this._adConfig = null
+    this._isLoading = false
+    this._lastError = null
+    this._callbacks = []
+  }
+
+  get (adpid, callback) {
+    if (this._adConfig != null) {
+      callback(this._adConfig.adpids[adpid])
+      return
+    }
+
+    this._callbacks.push({ adpid: adpid, callback: callback })
+    this._loadAdConfig()
+  }
+
+  _init () {
+    var config = this._getConfig()
+    if (config != null && config.last) {
+      var td = Math.abs(Date.now() - config.last)
+      if (td < this.CACHE_TIME) {
+        this._adConfig = config.data
+      }
+    }
+  }
+
+  _loadAdConfig (adpid, callback) {
+    if (this._isLoading === true) {
+      return
+    }
+
+    this._isLoading = true
+
+    uni.request({
+      url: this.URL,
+      timeout: 3000,
+      method: 'GET',
+      data: {
+        appid: '__UNI__ADD1C32'
+      },
+      dataType: 'json',
+      success: (res) => {
+        const rd = res.data
+        if (rd.ret === 0) {
+          const data = rd.data
+          this._adConfig = data
+          this._setConfig(data)
+          this._callbacks.forEach((i) => {
+            i.callback(data.adpids[i.adpid])
+          })
+        }
+      },
+      complete: (c) => {
+        this._isLoading = false
+      }
+    })
+  }
+
+  _getConfig () {
+    if (!navigator.cookieEnabled || !window.localStorage) {
+      return null
+    }
+    var data = localStorage.getItem(this.KEY)
+    return data ? JSON.parse(data) : null
+  }
+
+  _setConfig (data) {
+    if (!navigator.cookieEnabled || !window.localStorage) {
+      return null
+    }
+    localStorage.setItem(this.KEY, JSON.stringify({
+      last: Date.now(),
+      data: data
+    }))
+  }
+}
+Object.assign(AdConfig.prototype, {
+  URL: '//stream.dcloud.net.cn/dcloud/H5Config',
+  KEY: 'UNI_APP_AD',
+  CACHE_TIME: 1000 * 60 * 10
+})
+
+const adProvider = {
+  hx: 'hx',
+  ky: 'ky'
+}
+
+const CHECK_RENDER_DELAY = 1000
+const CHECK_RENDER_RETRY = 3
+
+export default {
+  name: 'Ad',
+  mixins: [subscriber],
+  props: {
+    adpid: {
+      type: [Number, String],
+      default: ''
+    }
+  },
+  data () {
+    return {
+      hidden: false
+    }
+  },
+  watch: {
+    hidden (val) {
+    },
+    adpid (val) {
+      if (val) {
+        this._loadData(val)
+      }
+    }
+  },
+  mounted () {
+    this._pl = []
+    this._pd = {}
+    this._pi = 0
+    this._loadData()
+    this._checkTimer = null
+    this._checkTimerCount = 0
+  },
+  beforeDestroy () {
+    this.$refs.container.innerHTML = ''
+  },
+  methods: {
+    _loadData (adpid) {
+      AdConfig.instance.get(adpid || this.adpid, (data) => {
+        this._pd = data
+        this._pl = data.psp.split(',')
+        this._renderAd()
+      })
+    },
+    _renderAd () {
+      if (this._pi > this._pl.length - 1) {
+        return
+      }
+      var ap = this._pl[this._pi]
+      var data = this._pd[ap]
+      switch (ap) {
+        case adProvider.hx:
+          this._renderHX(data)
+          break
+        case adProvider.ky:
+          this._renderKY(data)
+          break
+      }
+    },
+    _renderHX (data) {
+      var ad = document.createElement('script')
+      ad.src = data.src || data.url
+
+      var adView = document.createElement('div')
+      adView.setAttribute('id', this._randomId())
+      adView.appendChild(ad)
+
+      this.$refs.container.innerHTML = ''
+      this.$refs.container.append(adView)
+
+      // this._startCheckTimer()
+    },
+    _renderKY (data) {
+      var ad = document.createElement('script')
+      ad.src = data.src || data.url
+
+      this.$refs.container.innerHTML = ''
+      this.$refs.container.append(ad)
+
+      // this._startCheckTimer()
+    },
+    _renderNext () {
+      if (this._pi >= this._pl.length - 1) {
+        return
+      }
+
+      this._pi++
+      this._renderAd()
+    },
+    _checkRender () {
+      var hasContent = this.$refs.container.querySelector('a') || this.$refs.container.querySelector('iframe')
+      return hasContent
+    },
+    _startCheckTimer () {
+      this._clearCheckTimer()
+      this._checkTimer = setInterval(() => {
+        if (this._checkRender()) {
+          this._clearCheckTimer()
+          return
+        }
+        this._checkTimerCount++
+        if (this._checkTimerCount >= CHECK_RENDER_RETRY) {
+          this._clearCheckTimer()
+          this._renderNext()
+        }
+      }, CHECK_RENDER_DELAY)
+    },
+    _clearCheckTimer () {
+      this._checkTimerCount = 0
+      if (this._checkTimer != null) {
+        window.clearInterval(this._checkTimer)
+      }
+    },
+    _randomId () {
+      return 'ad' + Date.now() + '' + parseInt(Math.random() * 1000)
+    }
+  }
+}
+</script>
+
+<style>
+  uni-ad {
+    display: block;
+    overflow: hidden;
+  }
+
+  uni-ad[hidden] {
+    display: none;
+  }
+
+  uni-ad .uni-ad-container {
+    min-height: 1px;
+  }
+</style>
-- 
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