Merge branch 'pull/17'

# Conflicts:
#	src/App.vue

src/App.vue

@@ -92,8 +92,11 @@
 </template>
 
 <script>
+    // 严格模式 用于尾调用优化
+    "use strict";
 
-    const dec = require("./decrypt/common");
+    const worker = require("workerize-loader!./decrypt/common");
+    const dec = require('./decrypt/common');
     export default {
         name: 'app',
         components: {},
@@ -104,12 +107,38 @@
                 playing_url: "",
                 playing_auto: false,
                 format: '2',
+                workCount: 0,
+                cacheQueue: [],
+                cacheQueueOption: {
+                    push: (element) => {
+                        this.cacheQueue.push(element);
+                    },
+                    pop: () => {
+                        return this.cacheQueue.shift();
+                    },
+                    size: () => {
+                        return this.cacheQueue.length;
+                    }
+                },
+                workers: [],
+                idle_workers: [],
+                thread_num: 1
             }
         },
         mounted() {
             this.$nextTick(function () {
                 this.finishLoad();
             });
+            if (document.location.host !== "") {
+                this.thread_num = Math.max(navigator.hardwareConcurrency, 1);
+                for (let i = 0; i < this.thread_num; i++) {
+                    this.workers.push(worker().CommonDecrypt);
+                    this.idle_workers.push(i);
+                }
+            } else {
+                this.workers.push(dec.CommonDecrypt);
+                this.idle_workers.push(0)
+            }
         },
         methods: {
             finishLoad() {
@@ -125,9 +154,25 @@
                 });
             },
             handleFile(file) {
-
-                (async () => {
-                    let data = await dec.CommonDecrypt(file);
+                // 有空闲worker 立刻处理文件
+                if (this.idle_workers.length > 0) {
+                    this.handleDoFile(file, this.idle_workers.shift());
+                }
+                // 无空闲worker 则放入缓存队列
+                else {
+                    this.cacheQueueOption.push(file);
+                }
+            },
+            handleCacheQueue(worker_id) {
+                // 调用方法消费缓存队列中的数据
+                if (this.cacheQueue.length === 0) {
+                    this.idle_workers.push(worker_id);
+                    return
+                }
+                this.handleDoFile(this.cacheQueueOption.pop(), worker_id);
+            },
+            handleDoFile(file, worker_id) {
+                this.workers[worker_id](file).then(data => {
                     if (data.status) {
                         this.tableData.push(data);
                         this.$notify.success({
@@ -147,7 +192,13 @@
                         });
                         window._paq.push(["trackEvent", "Error", data.message, file.name]);
                     }
-                })();
+                    // 完成之后 执行新任务 todo: 可能导致call stack过长
+                    this.handleCacheQueue(worker_id);
+                }).catch(err => {
+                    console.error(err, file);
+                    window._paq.push(["trackEvent", "Error", err, file.name]);
+                    this.handleCacheQueue(worker_id);
+                })
             },
             handlePlay(index, row) {
                 this.playing_url = row.file;
@@ -224,6 +275,7 @@
         font-size: small;
     }
 
+    /*noinspection CssUnusedSymbol*/
     .el-upload-dragger {
         width: 80vw !important;
     }