forked from mirrors/gecko-dev
		
	Differential Revision: https://phabricator.services.mozilla.com/D35040 --HG-- rename : toolkit/content/widgets/popup.xml => toolkit/content/widgets/panel.js extra : moz-landing-system : lando
		
			
				
	
	
		
			812 lines
		
	
	
	
		
			27 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			812 lines
		
	
	
	
		
			27 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This file defines these globals on the window object.
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// Define them here so that ESLint can find them:
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/* globals MozXULElement, MozHTMLElement, MozElements */
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"use strict";
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// This is loaded into chrome windows with the subscript loader. Wrap in
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// a block to prevent accidentally leaking globals onto `window`.
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(() => {
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  // Handle customElements.js being loaded as a script in addition to the subscriptLoader
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  // from MainProcessSingleton, to handle pages that can open both before and after
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  // MainProcessSingleton starts. See Bug 1501845.
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  if (window.MozXULElement) {
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    return;
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  }
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  const MozElements = {};
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  window.MozElements = MozElements;
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  const { Services } = ChromeUtils.import(
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    "resource://gre/modules/Services.jsm"
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  );
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  const { AppConstants } = ChromeUtils.import(
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    "resource://gre/modules/AppConstants.jsm"
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  );
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  const env = Cc["@mozilla.org/process/environment;1"].getService(
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    Ci.nsIEnvironment
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  );
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  const instrumentClasses = env.get("MOZ_INSTRUMENT_CUSTOM_ELEMENTS");
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  const instrumentedClasses = instrumentClasses ? new Set() : null;
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  const instrumentedBaseClasses = instrumentClasses ? new WeakSet() : null;
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  // If requested, wrap the normal customElements.define to give us a chance
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  // to modify the class so we can instrument function calls in local development:
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  if (instrumentClasses) {
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    let define = window.customElements.define;
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    window.customElements.define = function(name, c, opts) {
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      instrumentCustomElementClass(c);
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      return define.call(this, name, c, opts);
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    };
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    window.addEventListener(
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      "load",
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      () => {
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        MozElements.printInstrumentation(true);
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      },
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      { once: true, capture: true }
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    );
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  }
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  MozElements.printInstrumentation = function(collapsed) {
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    let summaries = [];
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    let totalCalls = 0;
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    let totalTime = 0;
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    for (let c of instrumentedClasses) {
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      // Allow passing in something like MOZ_INSTRUMENT_CUSTOM_ELEMENTS=MozXULElement,Button to filter
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      let includeClass =
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        instrumentClasses == 1 ||
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        instrumentClasses
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          .split(",")
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          .some(n => c.name.toLowerCase().includes(n.toLowerCase()));
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      let summary = c.__instrumentation_summary;
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      if (includeClass && summary) {
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        summaries.push(summary);
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        totalCalls += summary.totalCalls;
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        totalTime += summary.totalTime;
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      }
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    }
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    if (summaries.length) {
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      let groupName = `Instrumentation data for custom elements in ${
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        document.documentURI
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      }`;
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      console[collapsed ? "groupCollapsed" : "group"](groupName);
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      console.log(
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        `Total function calls ${totalCalls} and total time spent inside ${totalTime.toFixed(
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          2
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        )}`
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      );
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      for (let summary of summaries) {
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        console.log(`${summary.name} (# instances: ${summary.instances})`);
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        if (Object.keys(summary.data).length > 1) {
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          console.table(summary.data);
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        }
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      }
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      console.groupEnd(groupName);
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    }
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  };
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  function instrumentCustomElementClass(c) {
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    // Climb up prototype chain to see if we inherit from a MozElement.
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    // Keep track of classes to instrument, for example:
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    //   MozMenuCaption->MozMenuBase->BaseText->BaseControl->MozXULElement
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    let inheritsFromBase = instrumentedBaseClasses.has(c);
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    let classesToInstrument = [c];
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    let proto = Object.getPrototypeOf(c);
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    while (proto) {
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      classesToInstrument.push(proto);
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      if (instrumentedBaseClasses.has(proto)) {
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        inheritsFromBase = true;
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        break;
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      }
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      proto = Object.getPrototypeOf(proto);
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    }
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    if (inheritsFromBase) {
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      for (let c of classesToInstrument.reverse()) {
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        instrumentIndividualClass(c);
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      }
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    }
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  }
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  function instrumentIndividualClass(c) {
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    if (instrumentedClasses.has(c)) {
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      return;
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    }
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    instrumentedClasses.add(c);
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    let data = { instances: 0 };
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    function wrapFunction(name, fn) {
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      return function() {
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        if (!data[name]) {
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          data[name] = { time: 0, calls: 0 };
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        }
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        data[name].calls++;
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        let n = performance.now();
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        let r = fn.apply(this, arguments);
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        data[name].time += performance.now() - n;
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        return r;
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      };
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    }
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    function wrapPropertyDescriptor(obj, name) {
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      if (name == "constructor") {
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        return;
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      }
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      let prop = Object.getOwnPropertyDescriptor(obj, name);
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      if (prop.get) {
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        prop.get = wrapFunction(`<get> ${name}`, prop.get);
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      }
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      if (prop.set) {
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        prop.set = wrapFunction(`<set> ${name}`, prop.set);
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      }
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      if (prop.writable && prop.value && prop.value.apply) {
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        prop.value = wrapFunction(name, prop.value);
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      }
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      Object.defineProperty(obj, name, prop);
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    }
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    // Handle static properties
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    for (let name of Object.getOwnPropertyNames(c)) {
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      wrapPropertyDescriptor(c, name);
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    }
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    // Handle instance properties
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    for (let name of Object.getOwnPropertyNames(c.prototype)) {
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      wrapPropertyDescriptor(c.prototype, name);
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    }
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    c.__instrumentation_data = data;
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    Object.defineProperty(c, "__instrumentation_summary", {
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      enumerable: false,
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      configurable: false,
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      get() {
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        if (data.instances == 0) {
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          return null;
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        }
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        let clonedData = JSON.parse(JSON.stringify(data));
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        delete clonedData.instances;
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        let totalCalls = 0;
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        let totalTime = 0;
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        for (let d in clonedData) {
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          let { time, calls } = clonedData[d];
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          time = parseFloat(time.toFixed(2));
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          totalCalls += calls;
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          totalTime += time;
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          clonedData[d]["time (ms)"] = time;
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          delete clonedData[d].time;
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          clonedData[d].timePerCall = parseFloat((time / calls).toFixed(4));
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        }
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        let timePerCall = parseFloat((totalTime / totalCalls).toFixed(4));
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        totalTime = parseFloat(totalTime.toFixed(2));
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        // Add a spaced-out final row with summed up totals
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        clonedData["\ntotals"] = {
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          "time (ms)": `\n${totalTime}`,
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          calls: `\n${totalCalls}`,
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          timePerCall: `\n${timePerCall}`,
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        };
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        return {
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          instances: data.instances,
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          data: clonedData,
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          name: c.name,
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          totalCalls,
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          totalTime,
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        };
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      },
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    });
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  }
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  // The listener of DOMContentLoaded must be set on window, rather than
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  // document, because the window can go away before the event is fired.
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  // In that case, we don't want to initialize anything, otherwise we
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  // may be leaking things because they will never be destroyed after.
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  let gIsDOMContentLoaded = false;
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  const gElementsPendingConnection = new Set();
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  window.addEventListener(
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    "DOMContentLoaded",
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    () => {
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      gIsDOMContentLoaded = true;
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      for (let element of gElementsPendingConnection) {
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        try {
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          if (element.isConnected) {
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            element.isRunningDelayedConnectedCallback = true;
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            element.connectedCallback();
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          }
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        } catch (ex) {
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          console.error(ex);
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        }
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        element.isRunningDelayedConnectedCallback = false;
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      }
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      gElementsPendingConnection.clear();
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    },
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    { once: true, capture: true }
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  );
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  const gXULDOMParser = new DOMParser();
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  gXULDOMParser.forceEnableXULXBL();
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  MozElements.MozElementMixin = Base => {
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    let MozElementBase = class extends Base {
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      constructor() {
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        super();
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        if (instrumentClasses) {
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          let proto = this.constructor;
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          while (proto && proto != Base) {
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            proto.__instrumentation_data.instances++;
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            proto = Object.getPrototypeOf(proto);
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          }
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        }
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      }
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      /*
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       * A declarative way to wire up attribute inheritance and automatically generate
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       * the `observedAttributes` getter.  For example, if you returned:
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       *    {
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       *      ".foo": "bar,baz=bat"
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       *    }
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       *
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       * Then the base class will automatically return ["bar", "bat"] from `observedAttributes`,
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       * and set up an `attributeChangedCallback` to pass those attributes down onto an element
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       * matching the ".foo" selector.
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       *
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       * See the `inheritAttribute` function for more details on the attribute string format.
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       *
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       * @return {Object<string selector, string attributes>}
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       */
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      static get inheritedAttributes() {
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        return null;
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      }
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      static get flippedInheritedAttributes() {
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        // Have to be careful here, if a subclass overrides inheritedAttributes
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        // and its parent class is instantiated first, then reading
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        // this._flippedInheritedAttributes on the child class will return the
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        // computed value from the parent.  We store it separately on each class
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        // to ensure everything works correctly when inheritedAttributes is
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        // overridden.
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        if (!this.hasOwnProperty("_flippedInheritedAttributes")) {
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          let { inheritedAttributes } = this;
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          if (!inheritedAttributes) {
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            this._flippedInheritedAttributes = null;
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          } else {
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            this._flippedInheritedAttributes = {};
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            for (let selector in inheritedAttributes) {
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              let attrRules = inheritedAttributes[selector].split(",");
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              for (let attrRule of attrRules) {
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                let attrName = attrRule;
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                let attrNewName = attrRule;
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                let split = attrName.split("=");
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                if (split.length == 2) {
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                  attrName = split[1];
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                  attrNewName = split[0];
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                }
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                if (!this._flippedInheritedAttributes[attrName]) {
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                  this._flippedInheritedAttributes[attrName] = [];
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                }
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                this._flippedInheritedAttributes[attrName].push([
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                  selector,
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                  attrNewName,
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                ]);
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              }
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            }
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          }
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        }
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        return this._flippedInheritedAttributes;
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      }
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      /*
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       * Generate this array based on `inheritedAttributes`, if any. A class is free to override
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       * this if it needs to do something more complex or wants to opt out of this behavior.
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       */
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      static get observedAttributes() {
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        return Object.keys(this.flippedInheritedAttributes || {});
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      }
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      /*
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       * Provide default lifecycle callback for attribute changes that will inherit attributes
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       * based on the static `inheritedAttributes` Object. This can be overridden by callers.
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       */
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      attributeChangedCallback(name, oldValue, newValue) {
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        if (oldValue === newValue || !this.initializedAttributeInheritance) {
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          return;
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        }
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        let list = this.constructor.flippedInheritedAttributes[name];
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        if (list) {
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          this.inheritAttribute(list, name);
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        }
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      }
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      /*
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       * After setting content, calling this will cache the elements from selectors in the
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       * static `inheritedAttributes` Object. It'll also do an initial call to `this.inheritAttributes()`,
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       * so in the simple case, this is the only function you need to call.
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       *
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       * This should be called any time the children that are inheriting attributes changes. For instance,
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       * it's common in a connectedCallback to do something like:
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       *
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       *   this.textContent = "";
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       *   this.append(MozXULElement.parseXULToFragment(`<label />`))
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       *   this.initializeAttributeInheritance();
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       *
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       */
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      initializeAttributeInheritance() {
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        let { flippedInheritedAttributes } = this.constructor;
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        if (!flippedInheritedAttributes) {
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          return;
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        }
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        // Clear out any existing cached elements:
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        this._inheritedElements = null;
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        this.initializedAttributeInheritance = true;
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        for (let attr in flippedInheritedAttributes) {
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          if (this.hasAttribute(attr)) {
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            this.inheritAttribute(flippedInheritedAttributes[attr], attr);
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          }
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        }
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      }
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      /*
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       * Implements attribute value inheritance by child elements.
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       *
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       * @param {array} list
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       *        An array of (to-element-selector, to-attr) pairs.
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       * @param {string} attr
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       *        An attribute to propagate.
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       */
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      inheritAttribute(list, attr) {
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        if (!this._inheritedElements) {
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          this._inheritedElements = {};
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        }
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        let hasAttr = this.hasAttribute(attr);
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        let attrValue = this.getAttribute(attr);
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        for (let [selector, newAttr] of list) {
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          if (!(selector in this._inheritedElements)) {
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            this._inheritedElements[
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              selector
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            ] = this.getElementForAttrInheritance(selector);
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          }
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          let el = this._inheritedElements[selector];
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          if (el) {
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            if (newAttr == "text") {
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              el.textContent = hasAttr ? attrValue : "";
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            } else if (hasAttr) {
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              el.setAttribute(newAttr, attrValue);
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            } else {
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              el.removeAttribute(newAttr);
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            }
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          }
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        }
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      }
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      /**
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       * Used in setting up attribute inheritance. Takes a selector and returns
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       * an element for that selector from shadow DOM if there is a shadowRoot,
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       * or from the light DOM if not.
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       *
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       * Here's one problem this solves. ElementB extends ElementA which extends
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       * MozXULElement. ElementA has a shadowRoot. ElementB tries to inherit
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       * attributes in light DOM by calling `initializeAttributeInheritance`
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       * but that fails because it defaults to inheriting from the shadow DOM
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       * and not the light DOM. (See bug 1545824.)
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       *
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       * To solve this, ElementB can override `getElementForAttrInheritance` so
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       * it queries the light DOM for some selectors as needed. For example:
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       *
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       *  class ElementA extends MozXULElement {
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       *    static get inheritedAttributes() {
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       *      return { ".one": "attr" };
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       *    }
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       *  }
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       *
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       *  class ElementB extends customElements.get("elementa") {
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       *    static get inheritedAttributes() {
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       *      return Object.assign({}, super.inheritedAttributes(), {
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       *        ".two": "attr",
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       *      });
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       *    }
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       *    getElementForAttrInheritance(selector) {
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						|
       *      if (selector == ".two") {
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       *        return this.querySelector(selector)
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       *      } else {
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       *        return super.getElementForAttrInheritance(selector);
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       *      }
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       *    }
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       *  }
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       *
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       * @param {string} selector
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       *        A selector used to query an element.
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       *
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       * @return {Element} The element found by the selector.
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       */
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      getElementForAttrInheritance(selector) {
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        let parent = this.shadowRoot || this;
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        return parent.querySelector(selector);
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      }
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						|
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						|
      /**
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						|
       * Sometimes an element may not want to run connectedCallback logic during
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       * parse. This could be because we don't want to initialize the element before
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       * the element's contents have been fully parsed, or for performance reasons.
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						|
       * If you'd like to opt-in to this, then add this to the beginning of your
 | 
						|
       * `connectedCallback` and `disconnectedCallback`:
 | 
						|
       *
 | 
						|
       *    if (this.delayConnectedCallback()) { return }
 | 
						|
       *
 | 
						|
       * And this at the beginning of your `attributeChangedCallback`
 | 
						|
       *
 | 
						|
       *    if (!this.isConnectedAndReady) { return; }
 | 
						|
       */
 | 
						|
      delayConnectedCallback() {
 | 
						|
        if (gIsDOMContentLoaded) {
 | 
						|
          return false;
 | 
						|
        }
 | 
						|
        gElementsPendingConnection.add(this);
 | 
						|
        return true;
 | 
						|
      }
 | 
						|
 | 
						|
      get isConnectedAndReady() {
 | 
						|
        return gIsDOMContentLoaded && this.isConnected;
 | 
						|
      }
 | 
						|
 | 
						|
      /**
 | 
						|
       * Passes DOM events to the on_<event type> methods.
 | 
						|
       */
 | 
						|
      handleEvent(event) {
 | 
						|
        let methodName = "on_" + event.type;
 | 
						|
        if (methodName in this) {
 | 
						|
          this[methodName](event);
 | 
						|
        } else {
 | 
						|
          throw new Error("Unrecognized event: " + event.type);
 | 
						|
        }
 | 
						|
      }
 | 
						|
 | 
						|
      /**
 | 
						|
       * Allows eager deterministic construction of XUL elements with XBL attached, by
 | 
						|
       * parsing an element tree and returning a DOM fragment to be inserted in the
 | 
						|
       * document before any of the inner elements is referenced by JavaScript.
 | 
						|
       *
 | 
						|
       * This process is required instead of calling the createElement method directly
 | 
						|
       * because bindings get attached when:
 | 
						|
       *
 | 
						|
       * 1. the node gets a layout frame constructed, or
 | 
						|
       * 2. the node gets its JavaScript reflector created, if it's in the document,
 | 
						|
       *
 | 
						|
       * whichever happens first. The createElement method would return a JavaScript
 | 
						|
       * reflector, but the element wouldn't be in the document, so the node wouldn't
 | 
						|
       * get XBL attached. After that point, even if the node is inserted into a
 | 
						|
       * document, it won't get XBL attached until either the frame is constructed or
 | 
						|
       * the reflector is garbage collected and the element is touched again.
 | 
						|
       *
 | 
						|
       * @param {string} str
 | 
						|
       *        String with the XML representation of XUL elements.
 | 
						|
       * @param {string[]} [entities]
 | 
						|
       *        An array of DTD URLs containing entity definitions.
 | 
						|
       *
 | 
						|
       * @return {DocumentFragment} `DocumentFragment` instance containing
 | 
						|
       *         the corresponding element tree, including element nodes
 | 
						|
       *         but excluding any text node.
 | 
						|
       */
 | 
						|
      static parseXULToFragment(str, entities = []) {
 | 
						|
        let doc = gXULDOMParser.parseFromSafeString(
 | 
						|
          `
 | 
						|
      ${
 | 
						|
        entities.length
 | 
						|
          ? `<!DOCTYPE bindings [
 | 
						|
        ${entities.reduce((preamble, url, index) => {
 | 
						|
          return (
 | 
						|
            preamble +
 | 
						|
            `<!ENTITY % _dtd-${index} SYSTEM "${url}">
 | 
						|
            %_dtd-${index};
 | 
						|
            `
 | 
						|
          );
 | 
						|
        }, "")}
 | 
						|
      ]>`
 | 
						|
          : ""
 | 
						|
      }
 | 
						|
      <box xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 | 
						|
           xmlns:html="http://www.w3.org/1999/xhtml">
 | 
						|
        ${str}
 | 
						|
      </box>
 | 
						|
    `,
 | 
						|
          "application/xml"
 | 
						|
        );
 | 
						|
        // The XUL/XBL parser is set to ignore all-whitespace nodes, whereas (X)HTML
 | 
						|
        // does not do this. Most XUL code assumes that the whitespace has been
 | 
						|
        // stripped out, so we simply remove all text nodes after using the parser.
 | 
						|
        let nodeIterator = doc.createNodeIterator(doc, NodeFilter.SHOW_TEXT);
 | 
						|
        let currentNode = nodeIterator.nextNode();
 | 
						|
        while (currentNode) {
 | 
						|
          // Remove whitespace-only nodes. Regex is taken from:
 | 
						|
          // https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model/Whitespace_in_the_DOM
 | 
						|
          if (!/[^\t\n\r ]/.test(currentNode.textContent)) {
 | 
						|
            currentNode.remove();
 | 
						|
          }
 | 
						|
 | 
						|
          currentNode = nodeIterator.nextNode();
 | 
						|
        }
 | 
						|
        // We use a range here so that we don't access the inner DOM elements from
 | 
						|
        // JavaScript before they are imported and inserted into a document.
 | 
						|
        let range = doc.createRange();
 | 
						|
        range.selectNodeContents(doc.querySelector("box"));
 | 
						|
        return range.extractContents();
 | 
						|
      }
 | 
						|
 | 
						|
      /**
 | 
						|
       * Insert a localization link to an FTL file. This is used so that
 | 
						|
       * a Custom Element can wait to inject the link until it's connected,
 | 
						|
       * and so that consuming documents don't require the correct <link>
 | 
						|
       * present in the markup.
 | 
						|
       *
 | 
						|
       * @param path
 | 
						|
       *        The path to the FTL file
 | 
						|
       */
 | 
						|
      static insertFTLIfNeeded(path) {
 | 
						|
        let container = document.head || document.querySelector("linkset");
 | 
						|
        if (!container) {
 | 
						|
          if (document.contentType == "application/vnd.mozilla.xul+xml") {
 | 
						|
            container = document.createXULElement("linkset");
 | 
						|
            document.documentElement.appendChild(container);
 | 
						|
          } else if (document.documentURI == AppConstants.BROWSER_CHROME_URL) {
 | 
						|
            // Special case for browser.xhtml. Here `document.head` is null, so
 | 
						|
            // just insert the link at the end of the window.
 | 
						|
            container = document.documentElement;
 | 
						|
          } else {
 | 
						|
            throw new Error(
 | 
						|
              "Attempt to inject localization link before document.head is available"
 | 
						|
            );
 | 
						|
          }
 | 
						|
        }
 | 
						|
 | 
						|
        for (let link of container.querySelectorAll("link")) {
 | 
						|
          if (link.getAttribute("href") == path) {
 | 
						|
            return;
 | 
						|
          }
 | 
						|
        }
 | 
						|
 | 
						|
        let link = document.createElementNS(
 | 
						|
          "http://www.w3.org/1999/xhtml",
 | 
						|
          "link"
 | 
						|
        );
 | 
						|
        link.setAttribute("rel", "localization");
 | 
						|
        link.setAttribute("href", path);
 | 
						|
 | 
						|
        container.appendChild(link);
 | 
						|
      }
 | 
						|
 | 
						|
      /**
 | 
						|
       * Indicate that a class defining a XUL element implements one or more
 | 
						|
       * XPCOM interfaces by adding a getCustomInterface implementation to it,
 | 
						|
       * as well as an implementation of QueryInterface.
 | 
						|
       *
 | 
						|
       * The supplied class should implement the properties and methods of
 | 
						|
       * all of the interfaces that are specified.
 | 
						|
       *
 | 
						|
       * @param cls
 | 
						|
       *        The class that implements the interface.
 | 
						|
       * @param names
 | 
						|
       *        Array of interface names.
 | 
						|
       */
 | 
						|
      static implementCustomInterface(cls, ifaces) {
 | 
						|
        if (cls.prototype.customInterfaces) {
 | 
						|
          ifaces.push(...cls.prototype.customInterfaces);
 | 
						|
        }
 | 
						|
        cls.prototype.customInterfaces = ifaces;
 | 
						|
 | 
						|
        cls.prototype.QueryInterface = ChromeUtils.generateQI(ifaces);
 | 
						|
        cls.prototype.getCustomInterfaceCallback = function getCustomInterfaceCallback(
 | 
						|
          ifaceToCheck
 | 
						|
        ) {
 | 
						|
          if (
 | 
						|
            cls.prototype.customInterfaces.some(iface =>
 | 
						|
              iface.equals(ifaceToCheck)
 | 
						|
            )
 | 
						|
          ) {
 | 
						|
            return getInterfaceProxy(this);
 | 
						|
          }
 | 
						|
          return null;
 | 
						|
        };
 | 
						|
      }
 | 
						|
    };
 | 
						|
 | 
						|
    // Rename the class so we can distinguish between MozXULElement and MozXULPopupElement, for example.
 | 
						|
    Object.defineProperty(MozElementBase, "name", { value: `Moz${Base.name}` });
 | 
						|
    if (instrumentedBaseClasses) {
 | 
						|
      instrumentedBaseClasses.add(MozElementBase);
 | 
						|
    }
 | 
						|
    return MozElementBase;
 | 
						|
  };
 | 
						|
 | 
						|
  const MozXULElement = MozElements.MozElementMixin(XULElement);
 | 
						|
  const MozHTMLElement = MozElements.MozElementMixin(HTMLElement);
 | 
						|
 | 
						|
  /**
 | 
						|
   * Given an object, add a proxy that reflects interface implementations
 | 
						|
   * onto the object itself.
 | 
						|
   */
 | 
						|
  function getInterfaceProxy(obj) {
 | 
						|
    /* globals MozQueryInterface */
 | 
						|
    if (!obj._customInterfaceProxy) {
 | 
						|
      obj._customInterfaceProxy = new Proxy(obj, {
 | 
						|
        get(target, prop, receiver) {
 | 
						|
          let propOrMethod = target[prop];
 | 
						|
          if (typeof propOrMethod == "function") {
 | 
						|
            if (propOrMethod instanceof MozQueryInterface) {
 | 
						|
              return Reflect.get(target, prop, receiver);
 | 
						|
            }
 | 
						|
            return function(...args) {
 | 
						|
              return propOrMethod.apply(target, args);
 | 
						|
            };
 | 
						|
          }
 | 
						|
          return propOrMethod;
 | 
						|
        },
 | 
						|
      });
 | 
						|
    }
 | 
						|
 | 
						|
    return obj._customInterfaceProxy;
 | 
						|
  }
 | 
						|
 | 
						|
  MozElements.BaseControlMixin = Base => {
 | 
						|
    class BaseControl extends Base {
 | 
						|
      get disabled() {
 | 
						|
        return this.getAttribute("disabled") == "true";
 | 
						|
      }
 | 
						|
 | 
						|
      set disabled(val) {
 | 
						|
        if (val) {
 | 
						|
          this.setAttribute("disabled", "true");
 | 
						|
        } else {
 | 
						|
          this.removeAttribute("disabled");
 | 
						|
        }
 | 
						|
      }
 | 
						|
 | 
						|
      get tabIndex() {
 | 
						|
        return parseInt(this.getAttribute("tabindex")) || 0;
 | 
						|
      }
 | 
						|
 | 
						|
      set tabIndex(val) {
 | 
						|
        if (val) {
 | 
						|
          this.setAttribute("tabindex", val);
 | 
						|
        } else {
 | 
						|
          this.removeAttribute("tabindex");
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    MozXULElement.implementCustomInterface(BaseControl, [
 | 
						|
      Ci.nsIDOMXULControlElement,
 | 
						|
    ]);
 | 
						|
    return BaseControl;
 | 
						|
  };
 | 
						|
  MozElements.BaseControl = MozElements.BaseControlMixin(MozXULElement);
 | 
						|
 | 
						|
  const BaseTextMixin = Base =>
 | 
						|
    class BaseText extends MozElements.BaseControlMixin(Base) {
 | 
						|
      set label(val) {
 | 
						|
        this.setAttribute("label", val);
 | 
						|
        return val;
 | 
						|
      }
 | 
						|
 | 
						|
      get label() {
 | 
						|
        return this.getAttribute("label");
 | 
						|
      }
 | 
						|
 | 
						|
      set crop(val) {
 | 
						|
        this.setAttribute("crop", val);
 | 
						|
        return val;
 | 
						|
      }
 | 
						|
 | 
						|
      get crop() {
 | 
						|
        return this.getAttribute("crop");
 | 
						|
      }
 | 
						|
 | 
						|
      set image(val) {
 | 
						|
        this.setAttribute("image", val);
 | 
						|
        return val;
 | 
						|
      }
 | 
						|
 | 
						|
      get image() {
 | 
						|
        return this.getAttribute("image");
 | 
						|
      }
 | 
						|
 | 
						|
      set command(val) {
 | 
						|
        this.setAttribute("command", val);
 | 
						|
        return val;
 | 
						|
      }
 | 
						|
 | 
						|
      get command() {
 | 
						|
        return this.getAttribute("command");
 | 
						|
      }
 | 
						|
 | 
						|
      set accessKey(val) {
 | 
						|
        // Always store on the control
 | 
						|
        this.setAttribute("accesskey", val);
 | 
						|
        // If there is a label, change the accesskey on the labelElement
 | 
						|
        // if it's also set there
 | 
						|
        if (this.labelElement) {
 | 
						|
          this.labelElement.accessKey = val;
 | 
						|
        }
 | 
						|
        return val;
 | 
						|
      }
 | 
						|
 | 
						|
      get accessKey() {
 | 
						|
        return this.labelElement
 | 
						|
          ? this.labelElement.accessKey
 | 
						|
          : this.getAttribute("accesskey");
 | 
						|
      }
 | 
						|
    };
 | 
						|
  MozElements.BaseTextMixin = BaseTextMixin;
 | 
						|
  MozElements.BaseText = BaseTextMixin(MozXULElement);
 | 
						|
 | 
						|
  // Attach the base class to the window so other scripts can use it:
 | 
						|
  window.MozXULElement = MozXULElement;
 | 
						|
  window.MozHTMLElement = MozHTMLElement;
 | 
						|
 | 
						|
  customElements.setElementCreationCallback("browser", () => {
 | 
						|
    Services.scriptloader.loadSubScript(
 | 
						|
      "chrome://global/content/elements/browser-custom-element.js",
 | 
						|
      window
 | 
						|
    );
 | 
						|
  });
 | 
						|
 | 
						|
  // For now, don't load any elements in the extension dummy document.
 | 
						|
  // We will want to load <browser> when that's migrated (bug 1441935).
 | 
						|
  const isDummyDocument =
 | 
						|
    document.documentURI == "chrome://extensions/content/dummy.xul";
 | 
						|
  if (!isDummyDocument) {
 | 
						|
    for (let script of [
 | 
						|
      "chrome://global/content/elements/arrowscrollbox.js",
 | 
						|
      "chrome://global/content/elements/dialog.js",
 | 
						|
      "chrome://global/content/elements/general.js",
 | 
						|
      "chrome://global/content/elements/button.js",
 | 
						|
      "chrome://global/content/elements/checkbox.js",
 | 
						|
      "chrome://global/content/elements/menu.js",
 | 
						|
      "chrome://global/content/elements/menupopup.js",
 | 
						|
      "chrome://global/content/elements/notificationbox.js",
 | 
						|
      "chrome://global/content/elements/panel.js",
 | 
						|
      "chrome://global/content/elements/popupnotification.js",
 | 
						|
      "chrome://global/content/elements/radio.js",
 | 
						|
      "chrome://global/content/elements/richlistbox.js",
 | 
						|
      "chrome://global/content/elements/autocomplete-popup.js",
 | 
						|
      "chrome://global/content/elements/autocomplete-richlistitem.js",
 | 
						|
      "chrome://global/content/elements/textbox.js",
 | 
						|
      "chrome://global/content/elements/tabbox.js",
 | 
						|
      "chrome://global/content/elements/text.js",
 | 
						|
      "chrome://global/content/elements/toolbarbutton.js",
 | 
						|
      "chrome://global/content/elements/tree.js",
 | 
						|
      "chrome://global/content/elements/wizard.js",
 | 
						|
    ]) {
 | 
						|
      Services.scriptloader.loadSubScript(script, window);
 | 
						|
    }
 | 
						|
 | 
						|
    for (let [tag, script] of [
 | 
						|
      ["findbar", "chrome://global/content/elements/findbar.js"],
 | 
						|
      ["menulist", "chrome://global/content/elements/menulist.js"],
 | 
						|
      ["search-textbox", "chrome://global/content/elements/search-textbox.js"],
 | 
						|
      [
 | 
						|
        "autocomplete-input",
 | 
						|
        "chrome://global/content/elements/autocomplete-input.js",
 | 
						|
      ],
 | 
						|
      ["stringbundle", "chrome://global/content/elements/stringbundle.js"],
 | 
						|
      [
 | 
						|
        "printpreview-toolbar",
 | 
						|
        "chrome://global/content/printPreviewToolbar.js",
 | 
						|
      ],
 | 
						|
      ["editor", "chrome://global/content/elements/editor.js"],
 | 
						|
    ]) {
 | 
						|
      customElements.setElementCreationCallback(tag, () => {
 | 
						|
        Services.scriptloader.loadSubScript(script, window);
 | 
						|
      });
 | 
						|
    }
 | 
						|
  }
 | 
						|
})();
 |