dragonbones-runtime/.cache/egret-core-5.1.0/src/egret/web/WebHideHandler.ts

the tools to build dragonbones file for diffrent framework

//////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014-present, Egret Technology.
//  All rights reserved.
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Egret nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
//  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
//  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
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//  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////

namespace egret.web {
    /**
     * @private
     */
    export let WebLifeCycleHandler: egret.lifecycle.LifecyclePlugin = (context) => {


        let handleVisibilityChange = function () {
            if (!document[hidden]) {
                context.resume();
            }
            else {
                context.pause();
            }
        };

        window.addEventListener("focus", context.resume, false);
        window.addEventListener("blur", context.pause, false);

        let hidden, visibilityChange;
        if (typeof document.hidden !== "undefined") {
            hidden = "hidden";
            visibilityChange = "visibilitychange";
        } else if (typeof document["mozHidden"] !== "undefined") {
            hidden = "mozHidden";
            visibilityChange = "mozvisibilitychange";
        } else if (typeof document["msHidden"] !== "undefined") {
            hidden = "msHidden";
            visibilityChange = "msvisibilitychange";
        } else if (typeof document["webkitHidden"] !== "undefined") {
            hidden = "webkitHidden";
            visibilityChange = "webkitvisibilitychange";
        } else if (typeof document["oHidden"] !== "undefined") {
            hidden = "oHidden";
            visibilityChange = "ovisibilitychange";
        }
        if ("onpageshow" in window && "onpagehide" in window) {
            window.addEventListener("pageshow", context.resume, false);
            window.addEventListener("pagehide", context.pause, false);
        }
        if (hidden && visibilityChange) {
            document.addEventListener(visibilityChange, handleVisibilityChange, false);
        }

        let ua = navigator.userAgent;
        let isWX = /micromessenger/gi.test(ua);
        let isQQBrowser = /mqq/ig.test(ua);
        let isQQ = /mobile.*qq/gi.test(ua);

        if (isQQ || isWX) {
            isQQBrowser = false;
        }
        if (isQQBrowser) {
            let browser = window["browser"] || {};
            browser.execWebFn = browser.execWebFn || {};
            browser.execWebFn.postX5GamePlayerMessage = function (event) {
                let eventType = event.type;
                if (eventType == "app_enter_background") {
                    context.pause();
                }
                else if (eventType == "app_enter_foreground") {
                    context.resume();
                }
            };
            window["browser"] = browser;
        }
    }
}