зеркало из https://github.com/mozilla/gecko-dev.git
1297 строки
46 KiB
XML
1297 строки
46 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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<!DOCTYPE bindings [
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<!ENTITY % findBarDTD SYSTEM "chrome://global/locale/findbar.dtd" >
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%findBarDTD;
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]>
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<bindings id="browserBindings"
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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="browser" extends="xul:browser">
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<content clickthrough="never">
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<children/>
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</content>
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<implementation type="application/javascript" implements="nsIAccessibleProvider, nsIObserver, nsIDOMEventListener, nsIFrameRequestCallback">
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<property name="accessibleType" readonly="true">
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<getter>
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<![CDATA[
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return Components.interfaces.nsIAccessibleProvider.OuterDoc;
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]]>
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</getter>
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</property>
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<property name="autoscrollEnabled">
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<getter>
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<![CDATA[
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if (this.getAttribute("autoscroll") == "false")
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return false;
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var enabled = true;
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try {
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enabled = this.mPrefs.getBoolPref("general.autoScroll");
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}
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catch(ex) {
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}
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return enabled;
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]]>
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</getter>
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</property>
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<property name="canGoBack"
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onget="return this.webNavigation.canGoBack;"
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readonly="true"/>
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<property name="canGoForward"
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onget="return this.webNavigation.canGoForward;"
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readonly="true"/>
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<method name="goBack">
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<body>
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<![CDATA[
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var webNavigation = this.webNavigation;
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if (webNavigation.canGoBack) {
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try {
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this.userTypedClear++;
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webNavigation.goBack();
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} finally {
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if (this.userTypedClear)
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this.userTypedClear--;
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}
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}
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]]>
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</body>
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</method>
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<method name="goForward">
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<body>
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<![CDATA[
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var webNavigation = this.webNavigation;
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if (webNavigation.canGoForward) {
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try {
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this.userTypedClear++;
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webNavigation.goForward();
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} finally {
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if (this.userTypedClear)
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this.userTypedClear--;
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}
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}
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]]>
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</body>
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</method>
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<method name="reload">
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<body>
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<![CDATA[
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const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
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const flags = nsIWebNavigation.LOAD_FLAGS_NONE;
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this.reloadWithFlags(flags);
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]]>
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</body>
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</method>
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<method name="reloadWithFlags">
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<parameter name="aFlags"/>
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<body>
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<![CDATA[
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this.webNavigation.reload(aFlags);
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]]>
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</body>
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</method>
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<method name="stop">
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<body>
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<![CDATA[
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const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
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const flags = nsIWebNavigation.STOP_ALL;
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this.webNavigation.stop(flags);
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]]>
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</body>
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</method>
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<!-- throws exception for unknown schemes -->
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<method name="loadURI">
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<parameter name="aURI"/>
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<parameter name="aReferrerURI"/>
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<parameter name="aCharset"/>
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<body>
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<![CDATA[
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const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
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const flags = nsIWebNavigation.LOAD_FLAGS_NONE;
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this.loadURIWithFlags(aURI, flags, aReferrerURI, aCharset);
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]]>
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</body>
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</method>
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<!-- throws exception for unknown schemes -->
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<method name="loadURIWithFlags">
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<parameter name="aURI"/>
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<parameter name="aFlags"/>
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<parameter name="aReferrerURI"/>
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<parameter name="aCharset"/>
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<parameter name="aPostData"/>
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<body>
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<![CDATA[
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if (!aURI)
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aURI = "about:blank";
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if (aCharset) {
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try {
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this.docShell.parentCharset = this.mAtomService.getAtom(aCharset);
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}
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catch (e) {
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}
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}
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if (!(aFlags & this.webNavigation.LOAD_FLAGS_FROM_EXTERNAL))
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this.userTypedClear++;
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try {
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this.webNavigation.loadURI(aURI, aFlags, aReferrerURI, aPostData, null);
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} finally {
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if (this.userTypedClear)
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this.userTypedClear--;
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}
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]]>
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</body>
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</method>
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<method name="goHome">
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<body>
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<![CDATA[
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try {
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this.loadURI(this.homePage);
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}
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catch (e) {
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}
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]]>
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</body>
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</method>
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<property name="homePage">
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<getter>
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<![CDATA[
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var uri;
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if (this.hasAttribute("homepage"))
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uri = this.getAttribute("homepage");
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else
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uri = "http://www.mozilla.org/"; // widget pride
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return uri;
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]]>
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</getter>
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<setter>
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<![CDATA[
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this.setAttribute("homepage", 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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<method name="gotoIndex">
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<parameter name="aIndex"/>
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<body>
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<![CDATA[
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try {
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this.userTypedClear++;
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this.webNavigation.gotoIndex(aIndex);
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} finally {
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if (this.userTypedClear)
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this.userTypedClear--;
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}
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]]>
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</body>
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</method>
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<property name="currentURI"
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onget="return this.webNavigation.currentURI;"
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readonly="true"/>
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<property name="preferences"
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onget="return this.mPrefs.QueryInterface(Components.interfaces.nsIPrefService);"
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readonly="true"/>
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<field name="_docShell">null</field>
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<property name="docShell"
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onget="return this._docShell || (this._docShell = this.boxObject.QueryInterface(Components.interfaces.nsIContainerBoxObject).docShell);"
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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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return this.docShell && this.docShell.isActive;
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]]>
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</getter>
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<setter>
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<![CDATA[
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if (this.docShell)
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return this.docShell.isActive = val;
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return false;
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]]>
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</setter>
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</property>
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<property name="isRemoteBrowser"
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onget="return (this.getAttribute('remote') == 'true');"
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readonly="true"/>
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<property name="messageManager"
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onget="return this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader.messageManager;"
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readonly="true"/>
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<field name="_webNavigation">null</field>
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<field name="_remoteWebNavigation"><![CDATA[
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({
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LOAD_FLAGS_MASK: 65535,
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LOAD_FLAGS_NONE: 0,
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LOAD_FLAGS_IS_REFRESH: 16,
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LOAD_FLAGS_IS_LINK: 32,
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LOAD_FLAGS_BYPASS_HISTORY: 64,
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LOAD_FLAGS_REPLACE_HISTORY: 128,
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LOAD_FLAGS_BYPASS_CACHE: 256,
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LOAD_FLAGS_BYPASS_PROXY: 512,
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LOAD_FLAGS_CHARSET_CHANGE: 1024,
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LOAD_FLAGS_STOP_CONTENT: 2048,
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LOAD_FLAGS_FROM_EXTERNAL: 4096,
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LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP: 8192,
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LOAD_FLAGS_FIRST_LOAD: 16384,
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LOAD_FLAGS_ALLOW_POPUPS: 32768,
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LOAD_FLAGS_BYPASS_CLASSIFIER: 65536,
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LOAD_FLAGS_FORCE_ALLOW_COOKIES: 131072,
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STOP_NETWORK: 1,
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STOP_CONTENT: 2,
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STOP_ALL: 3,
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canGoBack: false,
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canGoForward: false,
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goBack: function() { this._sendMessage("WebNavigation:GoBack", {}); },
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goForward: function() { this._sendMessage("WebNavigation:GoForward", {}); },
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gotoIndex: function(aIndex) { this._sendMessage("WebNavigation:GotoIndex", {index: aIndex}); },
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loadURI: function(aURI, aLoadFlags, aReferrer, aPostData, aHeaders) {
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this._browser.userTypedValue = aURI;
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this._browser._contentTitle = "";
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this._sendMessage("WebNavigation:LoadURI", {uri: aURI, flags: aLoadFlags});
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},
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reload: function(aReloadFlags) { this._sendMessage("WebNavigation:Reload", {flags: aReloadFlags}); },
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stop: function(aStopFlags) { this._sendMessage("WebNavigation:Stop", {flags: aStopFlags}); },
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get document() { Components.utils.reportError("contentDocument is not available"); return null; },
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get currentURI() {
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if (!this._currentURI)
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this._currentURI = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService).newURI("about:blank", null, null);
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return this._currentURI;
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},
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set currentURI(aURI) { this.loadURI(aURI.spec, null, null, null); },
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referringURI: null,
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get sessionHistory() { return null; },
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set sessionHistory(aValue) { },
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_currentURI: null,
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_browser: this,
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_sendMessage: function(aMessage, aData) {
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try {
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this._browser.messageManager.sendAsyncMessage(aMessage, aData);
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}
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catch (e) {
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Components.utils.reportError(e);
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}
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},
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QueryInterface: function(aIID) {
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if (aIID.equals(Components.interfaces.nsIWebNavigation) || aIID.equals(Components.interfaces.nsISupports))
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return this;
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throw Components.results.NS_NOINTERFACE;
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}
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})
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]]></field>
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<property name="webNavigation"
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readonly="true">
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<getter>
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<![CDATA[
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if (!this._webNavigation)
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this._webNavigation = this.isRemoteBrowser ? this._remoteWebNavigation : this.docShell.QueryInterface(Components.interfaces.nsIWebNavigation);
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return this._webNavigation;
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]]>
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</getter>
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</property>
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<field name="_webBrowserFind">null</field>
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<property name="webBrowserFind"
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readonly="true">
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<getter>
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<![CDATA[
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if (!this._webBrowserFind)
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this._webBrowserFind = this.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIWebBrowserFind);
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return this._webBrowserFind;
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]]>
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</getter>
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</property>
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<method name="getTabBrowser">
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<body>
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<![CDATA[
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var tabBrowser = this.parentNode;
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while (tabBrowser && tabBrowser.localName != "tabbrowser")
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tabBrowser = tabBrowser.parentNode;
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return tabBrowser;
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]]>
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</body>
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</method>
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<field name="_fastFind">null</field>
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<property name="fastFind"
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readonly="true">
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<getter>
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<![CDATA[
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if (!this._fastFind) {
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if (!("@mozilla.org/typeaheadfind;1" in Components.classes))
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return null;
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var tabBrowser = this.getTabBrowser();
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if (tabBrowser)
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return this._fastFind = tabBrowser.fastFind;
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if (!this.docShell)
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return null;
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this._fastFind = Components.classes["@mozilla.org/typeaheadfind;1"]
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.createInstance(Components.interfaces.nsITypeAheadFind);
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this._fastFind.init(this.docShell);
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}
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return this._fastFind;
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]]>
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</getter>
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</property>
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<property name="webProgress"
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readonly="true"
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onget="return this.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIWebProgress);"/>
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<field name="_contentWindow">null</field>
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<property name="contentWindow"
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readonly="true"
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onget="return this._contentWindow || (this._contentWindow = this.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIDOMWindow));"/>
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<property name="sessionHistory"
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onget="return this.webNavigation.sessionHistory;"
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readonly="true"/>
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<property name="markupDocumentViewer"
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onget="return this.docShell.contentViewer.QueryInterface(Components.interfaces.nsIMarkupDocumentViewer);"
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readonly="true"/>
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<property name="contentViewerEdit"
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onget="return this.docShell.contentViewer.QueryInterface(Components.interfaces.nsIContentViewerEdit);"
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readonly="true"/>
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<property name="contentViewerFile"
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onget="return this.docShell.contentViewer.QueryInterface(Components.interfaces.nsIContentViewerFile);"
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readonly="true"/>
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<property name="contentDocument"
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onget="return this.webNavigation.document;"
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readonly="true"/>
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<property name="contentTitle"
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onget="return this.contentDocument.title;"
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readonly="true"/>
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<property name="characterSet"
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onget="return this.contentDocument.characterSet;"
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readonly="true"/>
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<property name="contentPrincipal"
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onget="return this.contentDocument.nodePrincipal;"
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readonly="true"/>
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<property name="showWindowResizer"
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onset="if (val) this.setAttribute('showresizer', 'true');
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else this.removeAttribute('showresizer');
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return val;"
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onget="return this.getAttribute('showresizer') == 'true';"/>
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<field name="mPrefs" readonly="true">
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Components.classes['@mozilla.org/preferences-service;1']
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.getService(Components.interfaces.nsIPrefBranch);
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</field>
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<field name="mAtomService" readonly="true">
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Components.classes['@mozilla.org/atom-service;1']
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.getService(Components.interfaces.nsIAtomService);
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</field>
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<field name="_mStrBundle">null</field>
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<property name="mStrBundle">
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<getter>
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<![CDATA[
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if (!this._mStrBundle) {
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// need to create string bundle manually instead of using <xul:stringbundle/>
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// see bug 63370 for details
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this._mStrBundle = Components.classes["@mozilla.org/intl/stringbundle;1"]
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.getService(Components.interfaces.nsIStringBundleService)
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.createBundle("chrome://global/locale/browser.properties");
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}
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return this._mStrBundle;
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]]></getter>
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</property>
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|
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<method name="addProgressListener">
|
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<parameter name="aListener"/>
|
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<parameter name="aNotifyMask"/>
|
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<body>
|
|
<![CDATA[
|
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if (!aNotifyMask) {
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aNotifyMask = Components.interfaces.nsIWebProgress.NOTIFY_ALL;
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}
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this.webProgress.addProgressListener(aListener, aNotifyMask);
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]]>
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</body>
|
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</method>
|
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|
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<method name="removeProgressListener">
|
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<parameter name="aListener"/>
|
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<body>
|
|
<![CDATA[
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this.webProgress.removeProgressListener(aListener);
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]]>
|
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</body>
|
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</method>
|
|
|
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<method name="attachFormFill">
|
|
<body>
|
|
<![CDATA[
|
|
if (!this.mFormFillAttached && this.hasAttribute("autocompletepopup")) {
|
|
// hoop up the form fill autocomplete controller
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|
var controller = Components.classes["@mozilla.org/satchel/form-fill-controller;1"].
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getService(Components.interfaces.nsIFormFillController);
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|
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var popup = document.getElementById(this.getAttribute("autocompletepopup"));
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|
if (popup) {
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controller.attachToBrowser(this.docShell, popup.QueryInterface(Components.interfaces.nsIAutoCompletePopup));
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this.mFormFillAttached = true;
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}
|
|
}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="detachFormFill">
|
|
<body>
|
|
<![CDATA[
|
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if (this.mFormFillAttached) {
|
|
// hoop up the form fill autocomplete controller
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var controller = Components.classes["@mozilla.org/satchel/form-fill-controller;1"].
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getService(Components.interfaces.nsIFormFillController);
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controller.detachFromBrowser(this.docShell);
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this.mFormFillAttached = false;
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}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="findChildShell">
|
|
<parameter name="aDocShell"/>
|
|
<parameter name="aSoughtURI"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (aDocShell.QueryInterface(Components.interfaces.nsIWebNavigation)
|
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.currentURI.spec == aSoughtURI.spec)
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|
return aDocShell;
|
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var node = aDocShell.QueryInterface(
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Components.interfaces.nsIDocShellTreeNode);
|
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for (var i = 0; i < node.childCount; ++i) {
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var docShell = node.getChildAt(i);
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docShell = this.findChildShell(docShell, aSoughtURI);
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if (docShell)
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return docShell;
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}
|
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return null;
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]]>
|
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</body>
|
|
</method>
|
|
|
|
<method name="onPageShow">
|
|
<parameter name="aEvent"/>
|
|
<body>
|
|
<![CDATA[
|
|
this.attachFormFill();
|
|
if (this.pageReport) {
|
|
var i = 0;
|
|
while (i < this.pageReport.length) {
|
|
// Filter out irrelevant reports.
|
|
if (this.pageReport[i].requestingWindow &&
|
|
(this.pageReport[i].requestingWindow.document ==
|
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this.pageReport[i].requestingDocument))
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|
i++;
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else
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|
this.pageReport.splice(i, 1);
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|
}
|
|
if (this.pageReport.length == 0) {
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|
this.pageReport = null;
|
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this.updatePageReport();
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|
}
|
|
}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="onPageHide">
|
|
<parameter name="aEvent"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (this.pageReport) {
|
|
this.pageReport = null;
|
|
this.updatePageReport();
|
|
}
|
|
// Delete the feeds cache if we're hiding the topmost page
|
|
// (as opposed to one of its iframes).
|
|
if (this.feeds && aEvent.target == this.contentDocument)
|
|
this.feeds = null;
|
|
if (!this.docShell || !this.fastFind)
|
|
return;
|
|
var tabBrowser = this.getTabBrowser();
|
|
if (!tabBrowser || tabBrowser.mCurrentBrowser == this)
|
|
this.fastFind.setDocShell(this.docShell);
|
|
|
|
if (this._scrollable) {
|
|
var doc =
|
|
this._scrollable.ownerDocument || this._scrollable.document;
|
|
if (doc == aEvent.target) {
|
|
this._autoScrollPopup.hidePopup();
|
|
}
|
|
}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="updatePageReport">
|
|
<body>
|
|
<![CDATA[
|
|
var event = document.createEvent("Events");
|
|
event.initEvent("DOMUpdatePageReport", true, true);
|
|
this.dispatchEvent(event);
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="onPopupBlocked">
|
|
<parameter name="evt"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (!this.pageReport) {
|
|
this.pageReport = new Array();
|
|
}
|
|
|
|
var obj = { requestingWindow: evt.requestingWindow,
|
|
// Record the current document in the requesting window
|
|
// before it can change.
|
|
requestingDocument: evt.requestingWindow.document,
|
|
popupWindowURI: evt.popupWindowURI,
|
|
popupWindowFeatures: evt.popupWindowFeatures,
|
|
popupWindowName: evt.popupWindowName };
|
|
|
|
this.pageReport.push(obj);
|
|
this.pageReport.reported = false;
|
|
this.updatePageReport();
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<field name="pageReport">null</field>
|
|
|
|
<property name="securityUI">
|
|
<getter>
|
|
<![CDATA[
|
|
// Bug 666809 - SecurityUI support for e10s
|
|
if (!this.docShell)
|
|
return null;
|
|
|
|
if (!this.docShell.securityUI) {
|
|
const SECUREBROWSERUI_CONTRACTID = "@mozilla.org/secure_browser_ui;1";
|
|
if (!this.hasAttribute("disablesecurity") &&
|
|
SECUREBROWSERUI_CONTRACTID in Components.classes) {
|
|
var securityUI = Components.classes[SECUREBROWSERUI_CONTRACTID]
|
|
.createInstance(Components.interfaces.nsISecureBrowserUI);
|
|
securityUI.init(this.contentWindow);
|
|
}
|
|
}
|
|
|
|
return this.docShell.securityUI;
|
|
]]>
|
|
</getter>
|
|
<setter>
|
|
<![CDATA[
|
|
this.docShell.securityUI = val;
|
|
]]>
|
|
</setter>
|
|
</property>
|
|
|
|
<!--
|
|
This field tracks the location bar state. The value that the user typed
|
|
in to the location bar may not be changed while this field is zero.
|
|
However invoking a load will temporarily increase this field to allow
|
|
the location bar to be updated to the new URL.
|
|
|
|
Case 1: Anchor scroll
|
|
The user appends the anchor to the URL. This sets the location bar
|
|
into typed state, and disables changes to the location bar. The user
|
|
then requests the scroll. loadURIWithFlags temporarily increases the
|
|
flag by 1 so that the anchor scroll's location change resets the
|
|
location bar state.
|
|
|
|
Case 2: Interrupted load
|
|
The user types in and submits the URL. This triggers an asynchronous
|
|
network load which increases the flag by 2. (The temporary increase
|
|
from loadURIWithFlags is not noticeable in this case.) When the load
|
|
is interrupted the flag returns to zero, and the location bar stays
|
|
in typed state.
|
|
|
|
Case 3: New load
|
|
This works like case 2, but as the load is not interrupted the
|
|
location changes while the flag is still 2 thus resetting the
|
|
location bar state.
|
|
|
|
Case 4: Corrected load
|
|
This is a combination of case 2 and case 3, except that the original
|
|
load is interrupted by the new load. Normally cancelling and starting
|
|
a new load would reset the flag to 0 and then increase it to 2 again.
|
|
However both actions occur as a consequence of the loadURIWithFlags
|
|
invocation, which adds its temporary increase in to the mix. Since
|
|
the new URL would have been typed in the flag would have been reset
|
|
before loadURIWithFlags incremented it. The interruption resets the
|
|
flag to 0 and increases it to 2. Although loadURIWithFlags will
|
|
decrement the flag it remains at 1 thus allowing the location bar
|
|
state to be reset when the new load changes the location.
|
|
This case also applies when loading into a new browser, as this
|
|
interrupts the default load of about:blank.
|
|
-->
|
|
<field name="userTypedClear">
|
|
1
|
|
</field>
|
|
|
|
<field name="_userTypedValue">
|
|
null
|
|
</field>
|
|
|
|
<property name="userTypedValue"
|
|
onget="return this._userTypedValue;"
|
|
onset="this.userTypedClear = 0; return this._userTypedValue = val;"/>
|
|
|
|
<field name="mFormFillAttached">
|
|
false
|
|
</field>
|
|
|
|
<field name="isShowingMessage">
|
|
false
|
|
</field>
|
|
|
|
<field name="droppedLinkHandler">
|
|
null
|
|
</field>
|
|
|
|
<field name="mIconURL">null</field>
|
|
|
|
<!-- This is managed by the tabbrowser -->
|
|
<field name="lastURI">null</field>
|
|
|
|
<field name="mDestroyed">false</field>
|
|
|
|
<constructor>
|
|
<![CDATA[
|
|
try {
|
|
if (!this.hasAttribute("disablehistory")) {
|
|
var os = Components.classes["@mozilla.org/observer-service;1"]
|
|
.getService(Components.interfaces.nsIObserverService);
|
|
os.addObserver(this, "browser:purge-session-history", false);
|
|
// wire up session history
|
|
this.webNavigation.sessionHistory =
|
|
Components.classes["@mozilla.org/browser/shistory;1"]
|
|
.createInstance(Components.interfaces.nsISHistory);
|
|
// enable global history if we weren't told otherwise
|
|
if (this.docShell && !this.hasAttribute("disableglobalhistory"))
|
|
this.docShell.QueryInterface(Components.interfaces.nsIDocShellHistory).useGlobalHistory = true;
|
|
}
|
|
}
|
|
catch (e) {
|
|
Components.utils.reportError(e);
|
|
}
|
|
try {
|
|
var securityUI = this.securityUI;
|
|
}
|
|
catch (e) {
|
|
}
|
|
|
|
// Listen for first load for lazy attachment to form fill controller
|
|
this.addEventListener("pageshow", this.onPageShow, true);
|
|
this.addEventListener("pagehide", this.onPageHide, true);
|
|
this.addEventListener("DOMPopupBlocked", this.onPopupBlocked, true);
|
|
]]>
|
|
</constructor>
|
|
|
|
<destructor>
|
|
<![CDATA[
|
|
this.destroy();
|
|
]]>
|
|
</destructor>
|
|
|
|
<!-- This is necessary because the destructor doesn't always get called when
|
|
we are removed from a tabbrowser. This will be explicitly called by tabbrowser -->
|
|
<method name="destroy">
|
|
<body>
|
|
<![CDATA[
|
|
if (this.mDestroyed)
|
|
return;
|
|
this.mDestroyed = true;
|
|
|
|
if (!this.hasAttribute("disablehistory")) {
|
|
var os = Components.classes["@mozilla.org/observer-service;1"]
|
|
.getService(Components.interfaces.nsIObserverService);
|
|
try {
|
|
os.removeObserver(this, "browser:purge-session-history");
|
|
} catch (ex) {
|
|
// It's not clear why this sometimes throws an exception.
|
|
}
|
|
}
|
|
|
|
this.detachFormFill();
|
|
|
|
this._fastFind = null;
|
|
this._webBrowserFind = null;
|
|
|
|
// The feeds cache can keep the document inside this browser alive.
|
|
this.feeds = null;
|
|
|
|
this.lastURI = null;
|
|
|
|
this.removeEventListener("pageshow", this.onPageShow, true);
|
|
this.removeEventListener("pagehide", this.onPageHide, true);
|
|
this.removeEventListener("DOMPopupBlocked", this.onPopupBlocked, true);
|
|
|
|
if (this._autoScrollNeedsCleanup) {
|
|
// we polluted the global scope, so clean it up
|
|
this._autoScrollPopup.parentNode.removeChild(this._autoScrollPopup);
|
|
}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="observe">
|
|
<parameter name="aSubject"/>
|
|
<parameter name="aTopic"/>
|
|
<parameter name="aState"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (aTopic != "browser:purge-session-history" || !this.sessionHistory)
|
|
return;
|
|
|
|
// place the entry at current index at the end of the history list, so it won't get removed
|
|
if (this.sessionHistory.index < this.sessionHistory.count - 1) {
|
|
var indexEntry = this.sessionHistory.getEntryAtIndex(this.sessionHistory.index, false);
|
|
this.sessionHistory.QueryInterface(Components.interfaces.nsISHistoryInternal);
|
|
indexEntry.QueryInterface(Components.interfaces.nsISHEntry);
|
|
this.sessionHistory.addEntry(indexEntry, true);
|
|
}
|
|
|
|
var purge = this.sessionHistory.count;
|
|
if (this.currentURI != "about:blank")
|
|
--purge; // Don't remove the page the user's staring at from shistory
|
|
|
|
if (purge > 0)
|
|
this.sessionHistory.PurgeHistory(purge);
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<field name="_AUTOSCROLL_SNAP">10</field>
|
|
<field name="_scrollable">null</field>
|
|
<field name="_startX">null</field>
|
|
<field name="_startY">null</field>
|
|
<field name="_screenX">null</field>
|
|
<field name="_screenY">null</field>
|
|
<field name="_lastFrame">null</field>
|
|
<field name="_autoScrollPopup">null</field>
|
|
<field name="_autoScrollNeedsCleanup">false</field>
|
|
|
|
<method name="stopScroll">
|
|
<body>
|
|
<![CDATA[
|
|
if (this._scrollable) {
|
|
this._scrollable = null;
|
|
window.removeEventListener("mousemove", this, true);
|
|
window.removeEventListener("mousedown", this, true);
|
|
window.removeEventListener("mouseup", this, true);
|
|
window.removeEventListener("contextmenu", this, true);
|
|
window.removeEventListener("keydown", this, true);
|
|
window.removeEventListener("keypress", this, true);
|
|
window.removeEventListener("keyup", this, true);
|
|
}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="_createAutoScrollPopup">
|
|
<body>
|
|
<![CDATA[
|
|
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
|
|
var popup = document.createElementNS(XUL_NS, "panel");
|
|
popup.className = "autoscroller";
|
|
return popup;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="startScroll">
|
|
<parameter name="event"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (!this._autoScrollPopup) {
|
|
if (this.hasAttribute("autoscrollpopup")) {
|
|
// our creator provided a popup to share
|
|
this._autoScrollPopup = document.getElementById(this.getAttribute("autoscrollpopup"));
|
|
}
|
|
else {
|
|
// we weren't provided a popup; we have to use the global scope
|
|
this._autoScrollPopup = this._createAutoScrollPopup();
|
|
document.documentElement.appendChild(this._autoScrollPopup);
|
|
this._autoScrollNeedsCleanup = true;
|
|
}
|
|
}
|
|
|
|
this._autoScrollPopup.addEventListener("popuphidden", this, true);
|
|
|
|
// we need these attributes so themers don't need to create per-platform packages
|
|
if (screen.colorDepth > 8) { // need high color for transparency
|
|
// Exclude second-rate platforms
|
|
this._autoScrollPopup.setAttribute("transparent", !/BeOS|OS\/2/.test(navigator.appVersion));
|
|
// Enable translucency on Windows and Mac
|
|
this._autoScrollPopup.setAttribute("translucent", /Win|Mac/.test(navigator.platform));
|
|
}
|
|
|
|
// this is a list of overflow property values that allow scrolling
|
|
const scrollingAllowed = ['scroll', 'auto'];
|
|
|
|
// go upward in the DOM and find any parent element that has a overflow
|
|
// area and can therefore be scrolled
|
|
for (this._scrollable = event.originalTarget; this._scrollable;
|
|
this._scrollable = this._scrollable.parentNode) {
|
|
// do not use overflow based autoscroll for <html> and <body>
|
|
// Elements or non-html elements such as svg or Document nodes
|
|
// also make sure to skip select elements that are not multiline
|
|
if (!(this._scrollable instanceof HTMLElement) ||
|
|
(this._scrollable instanceof HTMLHtmlElement) ||
|
|
(this._scrollable instanceof HTMLBodyElement) ||
|
|
((this._scrollable instanceof HTMLSelectElement) && !this._scrollable.multiple)) {
|
|
continue;
|
|
}
|
|
|
|
var overflowx = this._scrollable.ownerDocument.defaultView
|
|
.getComputedStyle(this._scrollable, '')
|
|
.getPropertyValue('overflow-x');
|
|
var overflowy = this._scrollable.ownerDocument.defaultView
|
|
.getComputedStyle(this._scrollable, '')
|
|
.getPropertyValue('overflow-y');
|
|
// we already discarded non-multiline selects so allow vertical
|
|
// scroll for multiline ones directly without checking for a
|
|
// overflow property
|
|
var scrollVert = this._scrollable.clientHeight > 0 &&
|
|
this._scrollable.scrollHeight > this._scrollable.clientHeight &&
|
|
(this._scrollable instanceof HTMLSelectElement ||
|
|
scrollingAllowed.indexOf(overflowy) >= 0);
|
|
|
|
// do not allow horizontal scrolling for select elements, it leads
|
|
// to visual artifacts and is not the expected behavior anyway
|
|
if (!(this._scrollable instanceof HTMLSelectElement) &&
|
|
this._scrollable.clientWidth > 0 &&
|
|
this._scrollable.scrollWidth > this._scrollable.clientWidth &&
|
|
scrollingAllowed.indexOf(overflowx) >= 0) {
|
|
this._autoScrollPopup.setAttribute("scrolldir", scrollVert ? "NSEW" : "EW");
|
|
break;
|
|
}
|
|
else if (scrollVert) {
|
|
this._autoScrollPopup.setAttribute("scrolldir", "NS");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!this._scrollable) {
|
|
this._scrollable = event.originalTarget.ownerDocument.defaultView;
|
|
if (this._scrollable.scrollMaxX > 0) {
|
|
this._autoScrollPopup.setAttribute("scrolldir", this._scrollable.scrollMaxY > 0 ? "NSEW" : "EW");
|
|
}
|
|
else if (this._scrollable.scrollMaxY > 0) {
|
|
this._autoScrollPopup.setAttribute("scrolldir", "NS");
|
|
}
|
|
else {
|
|
this._scrollable = null; // abort scrolling
|
|
return;
|
|
}
|
|
}
|
|
|
|
this._autoScrollPopup.showPopup(document.documentElement,
|
|
event.screenX,
|
|
event.screenY,
|
|
"popup", null, null);
|
|
this._ignoreMouseEvents = true;
|
|
this._startX = event.screenX;
|
|
this._startY = event.screenY;
|
|
this._screenX = event.screenX;
|
|
this._screenY = event.screenY;
|
|
this._scrollErrorX = 0;
|
|
this._scrollErrorY = 0;
|
|
this._lastFrame = window.mozAnimationStartTime;
|
|
|
|
window.addEventListener("mousemove", this, true);
|
|
window.addEventListener("mousedown", this, true);
|
|
window.addEventListener("mouseup", this, true);
|
|
window.addEventListener("contextmenu", this, true);
|
|
window.addEventListener("keydown", this, true);
|
|
window.addEventListener("keypress", this, true);
|
|
window.addEventListener("keyup", this, true);
|
|
|
|
window.mozRequestAnimationFrame(this);
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="_roundToZero">
|
|
<parameter name="num"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (num > 0)
|
|
return Math.floor(num);
|
|
return Math.ceil(num);
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="_accelerate">
|
|
<parameter name="curr"/>
|
|
<parameter name="start"/>
|
|
<body>
|
|
<![CDATA[
|
|
const speed = 12;
|
|
var val = (curr - start) / speed;
|
|
|
|
if (val > 1)
|
|
return val * Math.sqrt(val) - 1;
|
|
if (val < -1)
|
|
return val * Math.sqrt(-val) + 1;
|
|
return 0;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="autoScrollLoop">
|
|
<parameter name="timestamp"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (!this._scrollable) {
|
|
// Scrolling has been canceled
|
|
return;
|
|
}
|
|
|
|
// avoid long jumps when the browser hangs for more than
|
|
// |maxTimeDelta| ms
|
|
const maxTimeDelta = 100;
|
|
var timeDelta = Math.min(maxTimeDelta, timestamp - this._lastFrame);
|
|
// we used to scroll |_accelerate()| pixels every 20ms (50fps)
|
|
var timeCompensation = timeDelta / 20;
|
|
this._lastFrame = timestamp;
|
|
|
|
var actualScrollX = 0;
|
|
var actualScrollY = 0;
|
|
// don't bother scrolling vertically when the scrolldir is only horizontal
|
|
// and the other way around
|
|
var scrolldir = this._autoScrollPopup.getAttribute("scrolldir");
|
|
if (scrolldir != 'EW') {
|
|
var y = this._accelerate(this._screenY, this._startY) * timeCompensation;
|
|
var desiredScrollY = this._scrollErrorY + y;
|
|
actualScrollY = this._roundToZero(desiredScrollY);
|
|
this._scrollErrorY = (desiredScrollY - actualScrollY);
|
|
}
|
|
if (scrolldir != 'NS') {
|
|
var x = this._accelerate(this._screenX, this._startX) * timeCompensation;
|
|
var desiredScrollX = this._scrollErrorX + x;
|
|
actualScrollX = this._roundToZero(desiredScrollX);
|
|
this._scrollErrorX = (desiredScrollX - actualScrollX);
|
|
}
|
|
|
|
if (this._scrollable instanceof Window)
|
|
this._scrollable.scrollBy(actualScrollX, actualScrollY);
|
|
else { // an element with overflow
|
|
this._scrollable.scrollLeft += actualScrollX;
|
|
this._scrollable.scrollTop += actualScrollY;
|
|
}
|
|
window.mozRequestAnimationFrame(this);
|
|
]]>
|
|
</body>
|
|
</method>
|
|
<method name="isAutoscrollBlocker">
|
|
<parameter name="node"/>
|
|
<body>
|
|
<![CDATA[
|
|
var mmPaste = false;
|
|
var mmScrollbarPosition = false;
|
|
|
|
try {
|
|
mmPaste = this.mPrefs.getBoolPref("middlemouse.paste");
|
|
}
|
|
catch (ex) {
|
|
}
|
|
|
|
try {
|
|
mmScrollbarPosition = this.mPrefs.getBoolPref("middlemouse.scrollbarPosition");
|
|
}
|
|
catch (ex) {
|
|
}
|
|
|
|
while (node) {
|
|
if ((node instanceof HTMLAnchorElement || node instanceof HTMLAreaElement) && node.hasAttribute("href"))
|
|
return true;
|
|
|
|
if (mmPaste && (node instanceof HTMLInputElement || node instanceof HTMLTextAreaElement))
|
|
return true;
|
|
|
|
if (node instanceof XULElement && mmScrollbarPosition
|
|
&& (node.localName == "scrollbar" || node.localName == "scrollcorner"))
|
|
return true;
|
|
|
|
node = node.parentNode;
|
|
}
|
|
return false;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<!-- nsIFrameRequestCallback implementation -->
|
|
<method name="sample">
|
|
<parameter name="timeStamp"/>
|
|
<body>
|
|
<![CDATA[
|
|
this.autoScrollLoop(timeStamp);
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="handleEvent">
|
|
<parameter name="aEvent"/>
|
|
<body>
|
|
<![CDATA[
|
|
if (this._scrollable) {
|
|
switch(aEvent.type) {
|
|
case "mousemove": {
|
|
this._screenX = aEvent.screenX;
|
|
this._screenY = aEvent.screenY;
|
|
|
|
var x = this._screenX - this._startX;
|
|
var y = this._screenY - this._startY;
|
|
|
|
if ((x > this._AUTOSCROLL_SNAP || x < -this._AUTOSCROLL_SNAP) ||
|
|
(y > this._AUTOSCROLL_SNAP || y < -this._AUTOSCROLL_SNAP))
|
|
this._ignoreMouseEvents = false;
|
|
break;
|
|
}
|
|
case "mouseup":
|
|
case "mousedown":
|
|
case "contextmenu": {
|
|
if (!this._ignoreMouseEvents)
|
|
this._autoScrollPopup.hidePopup();
|
|
this._ignoreMouseEvents = false;
|
|
break;
|
|
}
|
|
case "popuphidden": {
|
|
this._autoScrollPopup.removeEventListener("popuphidden", this, true);
|
|
this.stopScroll();
|
|
break;
|
|
}
|
|
case "keypress": {
|
|
if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
|
|
// the escape key will be processed by
|
|
// nsXULPopupManager::KeyPress and the panel will be closed.
|
|
// So, nothing to do here.
|
|
break;
|
|
}
|
|
// don't break here. we need to eat keypress events.
|
|
}
|
|
case "keydown":
|
|
case "keyup": {
|
|
// All keyevents should be eaten here during autoscrolling.
|
|
aEvent.stopPropagation();
|
|
aEvent.preventDefault();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="swapDocShells">
|
|
<parameter name="aOtherBrowser"/>
|
|
<body>
|
|
<![CDATA[
|
|
// We need to swap fields that are tied to our docshell or related to
|
|
// the loaded page
|
|
// Fields which are built as a result of notifactions (pageshow/hide,
|
|
// DOMLinkAdded/Removed, onStateChange) should not be swapped here,
|
|
// because these notifications are dispatched again once the docshells
|
|
// are swapped.
|
|
var fieldsToSwap = [ "_docShell", "_webBrowserFind", "_contentWindow", "_webNavigation"];
|
|
|
|
var ourFieldValues = {};
|
|
var otherFieldValues = {};
|
|
for each (var field in fieldsToSwap) {
|
|
ourFieldValues[field] = this[field];
|
|
otherFieldValues[field] = aOtherBrowser[field];
|
|
}
|
|
this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner)
|
|
.swapFrameLoaders(aOtherBrowser);
|
|
|
|
// Before we swap the actual docShell property we need to detach the
|
|
// form fill controller from those docShells.
|
|
this.detachFormFill();
|
|
aOtherBrowser.detachFormFill();
|
|
|
|
for each (var field in fieldsToSwap) {
|
|
this[field] = otherFieldValues[field];
|
|
aOtherBrowser[field] = ourFieldValues[field];
|
|
}
|
|
|
|
// Re-attach the docShells to the form fill controller.
|
|
this.attachFormFill();
|
|
aOtherBrowser.attachFormFill();
|
|
|
|
// Null the current nsITypeAheadFind instances so that they're
|
|
// lazily re-created on access. We need to do this because they
|
|
// might have attached the wrong docShell.
|
|
this._fastFind = aOtherBrowser._fastFind = null;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
</implementation>
|
|
|
|
<handlers>
|
|
<handler event="keypress" keycode="VK_F7" group="system">
|
|
<![CDATA[
|
|
if (event.defaultPrevented || !event.isTrusted)
|
|
return;
|
|
|
|
var isEnabled = this.mPrefs.getBoolPref("accessibility.browsewithcaret_shortcut.enabled");
|
|
if (!isEnabled)
|
|
return;
|
|
|
|
// Toggle browse with caret mode
|
|
var browseWithCaretOn = false;
|
|
var warn = true;
|
|
|
|
try {
|
|
warn = this.mPrefs.getBoolPref("accessibility.warn_on_browsewithcaret");
|
|
} catch (ex) {
|
|
}
|
|
|
|
try {
|
|
browseWithCaretOn = this.mPrefs.getBoolPref("accessibility.browsewithcaret");
|
|
} catch (ex) {
|
|
}
|
|
if (warn && !browseWithCaretOn) {
|
|
var checkValue = {value:false};
|
|
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
|
|
.getService(Components.interfaces.nsIPromptService);
|
|
|
|
var buttonPressed = promptService.confirmEx(window,
|
|
this.mStrBundle.GetStringFromName('browsewithcaret.checkWindowTitle'),
|
|
this.mStrBundle.GetStringFromName('browsewithcaret.checkLabel'),
|
|
promptService.STD_YES_NO_BUTTONS,
|
|
null, null, null, this.mStrBundle.GetStringFromName('browsewithcaret.checkMsg'),
|
|
checkValue);
|
|
if (buttonPressed != 0)
|
|
return;
|
|
if (checkValue.value) {
|
|
try {
|
|
this.mPrefs.setBoolPref("accessibility.warn_on_browsewithcaret", false);
|
|
}
|
|
catch (ex) {
|
|
}
|
|
}
|
|
}
|
|
|
|
// Toggle the pref
|
|
try {
|
|
this.mPrefs.setBoolPref("accessibility.browsewithcaret",!browseWithCaretOn);
|
|
} catch (ex) {
|
|
}
|
|
]]>
|
|
</handler>
|
|
<handler event="mousedown" phase="capturing">
|
|
<![CDATA[
|
|
if (!this._scrollable && event.button == 1) {
|
|
if (!this.autoscrollEnabled ||
|
|
this.isAutoscrollBlocker(event.originalTarget))
|
|
return;
|
|
|
|
this.startScroll(event);
|
|
}
|
|
]]>
|
|
</handler>
|
|
<handler event="dragover" group="system">
|
|
<![CDATA[
|
|
if (!this.droppedLinkHandler || event.defaultPrevented)
|
|
return;
|
|
|
|
// For drags that appear to be internal text (for example, tab drags),
|
|
// set the dropEffect to 'none'. This prevents the drop even if some
|
|
// other listener cancelled the event.
|
|
var types = event.dataTransfer.types;
|
|
if (types.contains("text/x-moz-text-internal") && !types.contains("text/plain")) {
|
|
event.dataTransfer.dropEffect = "none";
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
}
|
|
|
|
let linkHandler = Components.classes["@mozilla.org/content/dropped-link-handler;1"].
|
|
getService(Components.interfaces.nsIDroppedLinkHandler);
|
|
if (linkHandler.canDropLink(event, false))
|
|
event.preventDefault();
|
|
]]>
|
|
</handler>
|
|
<handler event="drop" group="system">
|
|
<![CDATA[
|
|
if (!this.droppedLinkHandler || event.defaultPrevented)
|
|
return;
|
|
|
|
let name = { };
|
|
let linkHandler = Components.classes["@mozilla.org/content/dropped-link-handler;1"].
|
|
getService(Components.interfaces.nsIDroppedLinkHandler);
|
|
try {
|
|
// Pass true to prevent the dropping of javascript:/data: URIs
|
|
var uri = linkHandler.dropLink(event, name, true);
|
|
} catch (ex) {
|
|
return;
|
|
}
|
|
|
|
if (uri) {
|
|
this.droppedLinkHandler(event, uri, name.value);
|
|
}
|
|
]]>
|
|
</handler>
|
|
</handlers>
|
|
|
|
</binding>
|
|
|
|
</bindings>
|