开放源码

wx_auto_reader.js

@@ -0,0 +1,176 @@
+/** @format */
+
+(() => {
+  //-----------浏览器通知-----------
+
+  //浏览器发送通知
+  function sendNotice(title, content) {
+    if (window.Notification && Notification.permission === "granted") {
+      var notification = new Notification(title, {
+        body: content || ""
+      });
+      notification.onclick = function() {
+        window.focus();
+        notification.close();
+      };
+    }
+  }
+
+  //判断浏览器是否支持弹出实例
+  function requestPermission() {
+    setTimeout(function() {
+      if (window.Notification && Notification.permission === "default") {
+        Notification.requestPermission(function(status) {
+          if (status === "granted") {
+            sendNotice("微读自动阅读器", "微读自动阅读器很高兴为您服务");
+          } else {
+            alert("当前浏览器不支持弹出消息");
+          }
+        });
+      }
+    }, 1000);
+  }
+
+  //判断浏览器是否支持 Web Notifications API
+  if (window.Notification) {
+    // 支持
+    console.log("微读自动阅读器·您的浏览器支持消息通知");
+    requestPermission();
+  } else {
+    // 不支持
+    alert("微读自动阅读器·您的浏览器不支持消息通知，建议您使用Chrome浏览器");
+  }
+
+  //-----------wxread-----------
+
+  //模拟发送键盘事件
+  function fireKeyEvent(element, evt_type, key_code) {
+    var doc = element.ownerDocument,
+      win = doc.defaultView || doc.parentWindow,
+      event_target;
+    if (doc.createEvent) {
+      if (win.KeyEvent) {
+        event_target = doc.createEvent("KeyEvents");
+        event_target.initKeyEvent(evt_type, true, true, win, false, false, false, false, key_code, 0);
+      } else {
+        event_target = doc.createEvent("UIEvents");
+        Object.defineProperty(event_target, "keyCode", {
+          get: function() {
+            return this.keyCodeVal;
+          }
+        });
+        Object.defineProperty(event_target, "which", {
+          get: function() {
+            return this.keyCodeVal;
+          }
+        });
+        event_target.initUIEvent(evt_type, true, true, win, 1);
+        event_target.keyCodeVal = key_code;
+        if (event_target.keyCode !== key_code) {
+          console.log("keyCode " + event_target.keyCode + " 和 (" + event_target.which + ") 不匹配");
+        }
+      }
+      element.dispatchEvent(event_target);
+    } else if (doc.createEventObject) {
+      event_target = doc.createEventObject();
+      event_target.keyCode = key_code;
+      element.fireEvent("on" + evt_type, event_target);
+    }
+  }
+
+  //获取元素
+  function _getElement(name) {
+    return document.getElementsByClassName(name)[0];
+  }
+
+  //自动阅读实现
+  function wxAutoReader() {
+    //定时器句柄
+    var _handler;
+    //页面滚动时间间隔
+    const _page_scroll_interval = 2000;
+    //翻页等待时间间隔
+    const _page_turn_interval = 3000;
+    //每次页面滚动距离
+    const _page_scroll_distance = 24;
+    //需要用到的元素
+    const _app_element_name = "app";
+    const _title_element_name = "readerTopBar_title_chapter";
+    const _chapter_element_name = "readerTopBar_title_link";
+    const _footer_element_name = "readerFooter_button";
+
+    //重新获取页面元素
+    var title, chapter, app, c_h, s_h, l_h, page_pos, scroll_enabled;
+    function fetchPageElement() {
+      title = _getElement(_title_element_name).innerText;
+      chapter = _getElement(_chapter_element_name).innerText;
+      app = document.getElementById(_app_element_name);
+      c_h = app.clientHeight;
+      s_h = app.scrollHeight;
+      l_h = s_h - c_h;
+      scroll_enabled = true;
+      page_pos = 0;
+    }
+    fetchPageElement();
+
+    //滚动事件
+    var onScroll = function() {
+      if (!scroll_enabled) return;
+      if (page_pos < l_h) {
+        page_pos += _page_scroll_distance;
+        var progress = (Math.min(page_pos / l_h, 1) * 100).toFixed(2) + "%";
+        document.title = `${progress}【${chapter} · ${title}】`;
+        scroll(0, page_pos);
+        return;
+      }
+      if (_getElement(_footer_element_name)) {
+        fireKeyEvent(document.body, "keydown", 39);
+        scroll_enabled = false;
+        setTimeout(() => {
+          fetchPageElement();
+        }, _page_turn_interval);
+      } else {
+        document.title = `已读完【${chapter}】`;
+        alert(document.title);
+        sendNotice(document.title);
+        clearInterval(_handler);
+      }
+    };
+    _handler = setInterval(onScroll, _page_scroll_interval);
+  }
+
+  //-----------worker-------------
+  function wxread_worker() {
+    var worker;
+
+    //worker 回调
+    function worker_fun() {
+      postMessage("tick");
+    }
+
+    //开启 worker
+    function startWorker() {
+      var blob = new Blob(["onmessage = function(e){\
+      " + worker_fun.toString() + "\
+      worker_fun(e.data);}"]);
+      var blobURL = window.URL.createObjectURL(blob);
+      if (typeof Worker != "undefined") {
+        if (typeof worker == "undefined") {
+          worker = new Worker(blobURL);
+          worker.onmessage = function(event) {
+            switch (event.data) {
+              case "tick":
+                wxAutoReader();
+                break;
+            }
+          };
+          worker.postMessage("tick");
+        }
+      }
+    }
+
+    startWorker();
+  }
+
+  wxread_worker();
+})();