mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 12:37:37 +00:00
58d687e019
In some cases removing an element from a document doesn't call its XBL constructor. tabbrowser knows this and so calls a destroy method on browser elements when removing them. When remote-browser was added we forgot to add a specific destroy method so the base browser binding's would be used. This would mean remote-browsers aren't being destroyed correctly. Also when we switch from remote to non-remote browsers or vice versa we don't call the destroy method at all so sometimes the browser isn't destroyed properly and observer notifications get fired on dead browser elements. --HG-- extra : rebase_source : d54ca85d912fdd736495c500910ff51fb5e15b6a
429 lines
15 KiB
XML
429 lines
15 KiB
XML
<?xml version="1.0"?>
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<!-- 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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<bindings id="firefoxBrowserBindings"
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xmlns="http://www.mozilla.org/xbl"
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xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<binding id="remote-browser" extends="chrome://global/content/bindings/browser.xml#browser">
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<implementation type="application/javascript"
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implements="nsIObserver, nsIDOMEventListener, nsIMessageListener, nsIRemoteBrowser">
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<field name="_securityUI">null</field>
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<property name="securityUI"
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readonly="true">
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<getter><![CDATA[
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if (!this._securityUI) {
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// Don't attempt to create the remote web progress if the
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// messageManager has already gone away
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if (!this.messageManager)
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return null;
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let jsm = "resource://gre/modules/RemoteSecurityUI.jsm";
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let RemoteSecurityUI = Components.utils.import(jsm, {}).RemoteSecurityUI;
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this._securityUI = new RemoteSecurityUI();
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}
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// We want to double-wrap the JS implemented interface, so that QI and instanceof works.
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var ptr = Cc["@mozilla.org/supports-interface-pointer;1"].
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createInstance(Ci.nsISupportsInterfacePointer);
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ptr.data = this._securityUI;
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return ptr.data.QueryInterface(Ci.nsISecureBrowserUI);
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]]></getter>
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</property>
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<method name="adjustPriority">
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<parameter name="adjustment"/>
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<body><![CDATA[
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this.messageManager.sendAsyncMessage("NetworkPrioritizer:AdjustPriority",
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{adjustment: adjustment});
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]]></body>
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</method>
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<field name="_controller">null</field>
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<field name="_remoteWebNavigation">null</field>
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<property name="webNavigation"
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onget="return this._remoteWebNavigation;"
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readonly="true"/>
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<field name="_remoteWebProgress">null</field>
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<property name="webProgress" readonly="true">
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<getter>
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<![CDATA[
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if (!this._remoteWebProgress) {
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// Don't attempt to create the remote web progress if the
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// messageManager has already gone away
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if (!this.messageManager)
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return null;
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let jsm = "resource://gre/modules/RemoteWebProgress.jsm";
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let { RemoteWebProgressManager } = Cu.import(jsm, {});
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this._remoteWebProgressManager = new RemoteWebProgressManager(this);
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this._remoteWebProgress = this._remoteWebProgressManager.topLevelWebProgress;
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}
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return this._remoteWebProgress;
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]]>
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</getter>
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</property>
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<field name="_remoteFinder">null</field>
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<property name="finder" readonly="true">
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<getter><![CDATA[
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if (!this._remoteFinder) {
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// Don't attempt to create the remote web progress if the
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// messageManager has already gone away
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if (!this.messageManager)
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return null;
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let jsm = "resource://gre/modules/RemoteFinder.jsm";
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let { RemoteFinder } = Cu.import(jsm, {});
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this._remoteFinder = new RemoteFinder(this);
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}
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return this._remoteFinder;
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]]></getter>
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</property>
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<field name="_documentURI">null</field>
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<field name="_documentContentType">null</field>
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<!--
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Used by session restore to ensure that currentURI is set so
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that switch-to-tab works before the tab is fully
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restored. This function also invokes onLocationChanged
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listeners in tabbrowser.xml.
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-->
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<method name="_setCurrentURI">
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<parameter name="aURI"/>
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<body><![CDATA[
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this._remoteWebProgressManager.setCurrentURI(aURI);
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]]></body>
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</method>
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<property name="documentURI"
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onget="return this._documentURI;"
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readonly="true"/>
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<property name="documentContentType"
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onget="return this._documentContentType;"
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readonly="true"/>
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<field name="_contentTitle">""</field>
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<property name="contentTitle"
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onget="return this._contentTitle"
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readonly="true"/>
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<field name="_characterSet">""</field>
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<property name="characterSet"
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onget="return this._characterSet">
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<setter><![CDATA[
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this.messageManager.sendAsyncMessage("UpdateCharacterSet", {value: val});
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this._characterSet = val;
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]]></setter>
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</property>
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<field name="_mayEnableCharacterEncodingMenu">null</field>
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<property name="mayEnableCharacterEncodingMenu"
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onget="return this._mayEnableCharacterEncodingMenu;"
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readonly="true"/>
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<field name="_contentWindow">null</field>
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<property name="contentWindow"
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onget="return null"
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readonly="true"/>
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<property name="contentWindowAsCPOW"
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onget="return this._contentWindow"
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readonly="true"/>
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<property name="contentDocument"
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onget="return null"
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readonly="true"/>
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<field name="_contentPrincipal">null</field>
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<property name="contentPrincipal"
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onget="return this._contentPrincipal"
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readonly="true"/>
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<property name="contentDocumentAsCPOW"
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onget="return this.contentWindowAsCPOW ? this.contentWindowAsCPOW.document : null"
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readonly="true"/>
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<field name="_syncHandler">null</field>
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<property name="syncHandler"
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onget="return this._syncHandler"
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readonly="true"/>
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<field name="_imageDocument">null</field>
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<property name="imageDocument"
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onget="return this._imageDocument"
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readonly="true"/>
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<field name="_fullZoom">1</field>
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<property name="fullZoom">
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<getter><![CDATA[
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return this._fullZoom;
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]]></getter>
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<setter><![CDATA[
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this._fullZoom = val;
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this.messageManager.sendAsyncMessage("FullZoom", {value: val});
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]]></setter>
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</property>
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<field name="_textZoom">1</field>
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<property name="textZoom">
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<getter><![CDATA[
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return this._textZoom;
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]]></getter>
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<setter><![CDATA[
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this._textZoom = val;
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this.messageManager.sendAsyncMessage("TextZoom", {value: val});
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]]></setter>
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</property>
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<field name="_isSyntheticDocument">false</field>
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<property name="isSyntheticDocument">
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<getter><![CDATA[
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return this._isSyntheticDocument;
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]]></getter>
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</property>
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<property name="autoCompletePopup"
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onget="return document.getElementById(this.getAttribute('autocompletepopup'))"
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readonly="true"/>
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<property name="docShellIsActive">
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<getter>
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<![CDATA[
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throw new Error("not supported");
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]]>
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</getter>
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<setter>
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<![CDATA[
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let {frameLoader} = this.QueryInterface(Ci.nsIFrameLoaderOwner);
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frameLoader.tabParent.setIsDocShellActive(val);
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return val;
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]]>
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</setter>
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</property>
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<field name="mDestroyed">false</field>
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<constructor>
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<![CDATA[
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/*
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* Don't try to send messages from this function. The message manager for
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* the <browser> element may not be initialized yet.
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*/
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let jsm = "resource://gre/modules/RemoteWebNavigation.jsm";
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let RemoteWebNavigation = Cu.import(jsm, {}).RemoteWebNavigation;
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this._remoteWebNavigation = new RemoteWebNavigation(this);
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this.messageManager.addMessageListener("Browser:Init", this);
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this.messageManager.addMessageListener("DOMTitleChanged", this);
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this.messageManager.addMessageListener("ImageDocumentLoaded", this);
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this.messageManager.addMessageListener("SetSyncHandler", this);
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this.messageManager.addMessageListener("DocumentInserted", this);
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this.messageManager.addMessageListener("FullZoomChange", this);
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this.messageManager.addMessageListener("TextZoomChange", this);
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this.messageManager.addMessageListener("ZoomChangeUsingMouseWheel", this);
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this.messageManager.addMessageListener("DOMFullscreen:RequestExit", this);
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this.messageManager.addMessageListener("DOMFullscreen:RequestRollback", this);
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this.messageManager.loadFrameScript("chrome://global/content/browser-child.js", true);
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if (this.hasAttribute("selectpopup")) {
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this.messageManager.addMessageListener("Forms:ShowDropDown", this);
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this.messageManager.addMessageListener("Forms:HideDropDown", this);
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this.messageManager.loadFrameScript("chrome://global/content/select-child.js", true);
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}
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jsm = "resource://gre/modules/RemoteController.jsm";
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let RemoteController = Components.utils.import(jsm, {}).RemoteController;
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this._controller = new RemoteController(this);
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this.controllers.appendController(this._controller);
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Services.obs.addObserver(this, "ask-children-to-exit-fullscreen", false);
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]]>
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</constructor>
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<destructor>
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<![CDATA[
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this.destroy();
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]]>
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</destructor>
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<!-- This is necessary because the destructor doesn't always get called when
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we are removed from a tabbrowser. This will be explicitly called by tabbrowser -->
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<method name="destroy">
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<body><![CDATA[
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if (this.mDestroyed)
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return;
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this.mDestroyed = true;
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this.controllers.removeController(this._controller);
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Services.obs.removeObserver(this, "ask-children-to-exit-fullscreen");
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]]></body>
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</method>
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<method name="receiveMessage">
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<parameter name="aMessage"/>
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<body><![CDATA[
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let data = aMessage.data;
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switch (aMessage.name) {
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case "Browser:Init":
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let result = {};
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result.useGlobalHistory = !this.hasAttribute("disableglobalhistory");
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result.initPopup = this.autoCompletePopup != null;
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return result;
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break;
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case "DOMTitleChanged":
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this._contentTitle = data.title;
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break;
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case "ImageDocumentLoaded":
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this._imageDocument = {
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width: data.width,
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height: data.height
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};
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break;
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case "SetSyncHandler":
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this._syncHandler = aMessage.objects.handler;
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break;
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case "Forms:ShowDropDown": {
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Cu.import("resource://gre/modules/SelectParentHelper.jsm");
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let dropdown = document.getElementById(this.getAttribute("selectpopup"));
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SelectParentHelper.populate(dropdown, data.options, data.selectedIndex);
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SelectParentHelper.open(this, dropdown, data.rect);
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break;
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}
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case "DocumentInserted":
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this._isSyntheticDocument = data.synthetic;
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break;
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case "FullZoomChange": {
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this._fullZoom = data.value;
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let event = document.createEvent("Events");
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event.initEvent("FullZoomChange", true, false);
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this.dispatchEvent(event);
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break;
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}
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case "TextZoomChange": {
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this._textZoom = data.value;
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let event = document.createEvent("Events");
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event.initEvent("TextZoomChange", true, false);
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this.dispatchEvent(event);
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break;
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}
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case "ZoomChangeUsingMouseWheel": {
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let event = document.createEvent("Events");
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event.initEvent("ZoomChangeUsingMouseWheel", true, false);
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this.dispatchEvent(event);
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break;
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}
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case "Forms:HideDropDown": {
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Cu.import("resource://gre/modules/SelectParentHelper.jsm");
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let dropdown = document.getElementById(this.getAttribute("selectpopup"));
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SelectParentHelper.hide(dropdown);
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break;
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}
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case "DOMFullscreen:RequestExit": {
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let windowUtils = window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils);
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windowUtils.exitFullscreen();
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break;
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}
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case "DOMFullscreen:RequestRollback": {
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let windowUtils = window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils);
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windowUtils.remoteFrameFullscreenReverted();
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break;
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}
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default:
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// Delegate to browser.xml.
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return this._receiveMessage(aMessage);
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break;
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}
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]]></body>
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</method>
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<method name="observe">
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<parameter name="aSubject"/>
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<parameter name="aTopic"/>
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<parameter name="aData"/>
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<body><![CDATA[
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if (aTopic == "ask-children-to-exit-fullscreen") {
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if (aSubject == window.document) {
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this.messageManager.sendAsyncMessage("DOMFullscreen:ChildrenMustExit");
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}
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}
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]]></body>
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</method>
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<!--
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For out-of-process code, event.screen[XY] is relative to the
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left/top of the content view. For in-process code,
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event.screen[XY] is relative to the left/top of the screen. We
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use this method to map screen coordinates received from a
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(possibly out-of-process) <browser> element to coordinates
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that are relative to the screen. This code handles the
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out-of-process case, where we need to translate by the screen
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position of the <browser> element.
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-->
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<method name="mapScreenCoordinatesFromContent">
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<parameter name="aScreenX"/>
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<parameter name="aScreenY"/>
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<body>
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<![CDATA[
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return { x: aScreenX + this.boxObject.screenX,
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y: aScreenY + this.boxObject.screenY };
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]]>
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</body>
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</method>
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<method name="enableDisableCommands">
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<parameter name="aAction"/>
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<parameter name="aEnabledLength"/>
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<parameter name="aEnabledCommands"/>
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<parameter name="aDisabledLength"/>
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<parameter name="aDisabledCommands"/>
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<body>
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if (this._controller) {
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this._controller.enableDisableCommands(aAction,
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aEnabledLength, aEnabledCommands,
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aDisabledLength, aDisabledCommands);
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}
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</body>
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</method>
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</implementation>
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</binding>
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</bindings>
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