The Tor Browser: toolkit/content/widgets/button.xml@6474c204b198 (annotated)

toolkit/content/widgets/button.xml@6474c204b198 (annotated)

toolkit/content/widgets/button.xml

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 <?xml version="1.0"?>
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <bindings id="buttonBindings"
    xmlns="http://www.mozilla.org/xbl"
    xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
    xmlns:xbl="http://www.mozilla.org/xbl">
   <binding id="button-base" extends="chrome://global/content/bindings/general.xml#basetext" role="xul:button">
     <implementation implements="nsIDOMXULButtonElement">
       <property name="type"
                 onget="return this.getAttribute('type');"
                 onset="this.setAttribute('type', val); return val;"/>
       <property name="dlgType"
                 onget="return this.getAttribute('dlgtype');"
                 onset="this.setAttribute('dlgtype', val); return val;"/>
       <property name="group"
                 onget="return this.getAttribute('group');"
                 onset="this.setAttribute('group', val); return val;"/>
       <property name="open" onget="return this.hasAttribute('open');">
         <setter><![CDATA[
           if (this.boxObject instanceof
               Components.interfaces.nsIMenuBoxObject) {
             this.boxObject.openMenu(val);
           } else {
             // Fall back to just setting the attribute
             if (val) {
               this.setAttribute('open', 'true');
             } else {
               this.removeAttribute('open');
             }
           }
           return val;
         ]]></setter>
       </property>
       <property name="checked" onget="return this.hasAttribute('checked');">
         <setter><![CDATA[
           if (this.type == "checkbox") {
             this.checkState = val ? 1 : 0;
           } else if (this.type == "radio" && val) {
             var sibs = this.parentNode.getElementsByAttribute("group", this.group);
             for (var i = 0; i < sibs.length; ++i)
               sibs[i].removeAttribute("checked");
           }
           if (val)
             this.setAttribute("checked", "true");
           else
             this.removeAttribute("checked");
           return val;
         ]]></setter>
       </property>
       <property name="checkState">
         <getter><![CDATA[
           var state = this.getAttribute("checkState");
           if (state == "")
             return this.checked ? 1 : 0;
           else
             return state == "0" ? 0 : (state == "2" ? 2 : 1);
         ]]></getter>
         <setter><![CDATA[
           this.setAttribute("checkState", val);
           return val;
         ]]></setter>
       </property>
       <property name="autoCheck"
                 onget="return this.getAttribute('autoCheck') == 'true';"
                 onset="this.setAttribute('autoCheck', val); return val;"/>
       <method name ="filterButtons">
         <parameter name="node"/>
         <body>
         <![CDATA[
           // if the node isn't visible, don't descend into it.
           var cs = node.ownerDocument.defaultView.getComputedStyle(node, null);
           if (cs.visibility != "visible" || cs.display == "none") {
             return NodeFilter.FILTER_REJECT;
           }
           // but it may be a popup element, in which case we look at "state"...
           if (cs.display == "-moz-popup" && node.state != "open") {
             return NodeFilter.FILTER_REJECT;
           }
           // OK - the node seems visible, so it is a candidate.
           if (node.localName == "button" && node.accessKey && !node.disabled)
             return NodeFilter.FILTER_ACCEPT;
           return NodeFilter.FILTER_SKIP;
         ]]>
         </body>
       </method>
       <method name="fireAccessKeyButton">
         <parameter name="aSubtree"/>
         <parameter name="aAccessKeyLower"/>
         <body>
         <![CDATA[
           var iterator = aSubtree.ownerDocument.createTreeWalker(aSubtree,
                                                                  NodeFilter.SHOW_ELEMENT,
                                                                  this.filterButtons);
           while (iterator.nextNode()) {
             var test = iterator.currentNode;
             if (test.accessKey.toLowerCase() == aAccessKeyLower &&
                 !test.disabled && !test.collapsed && !test.hidden) {
               test.focus();
               test.click();
               return true;
             }
           }
           return false;
         ]]>
         </body>
       </method>
       <method name="_handleClick">
         <body>
         <![CDATA[
           if (!this.disabled &&
               (this.autoCheck || !this.hasAttribute("autoCheck"))) {
             if (this.type == "checkbox") {
               this.checked = !this.checked;
             } else if (this.type == "radio") {
               this.checked = true;
             }
           }
         ]]>
         </body>
       </method>
     </implementation>
     <handlers>
       <!-- While it would seem we could do this by handling oncommand, we can't
            because any external oncommand handlers might get called before ours,
            and then they would see the incorrect value of checked. Additionally
            a command attribute would redirect the command events anyway.-->
       <handler event="click" button="0" action="this._handleClick();"/>
       <handler event="keypress" key=" " action="this._handleClick();"/>
       <handler event="keypress">
       <![CDATA[
         if (this.boxObject instanceof Components.interfaces.nsIMenuBoxObject) {
           if (this.open)
             return;
         } else {
           if (event.keyCode == KeyEvent.DOM_VK_UP ||
               (event.keyCode == KeyEvent.DOM_VK_LEFT &&
                 document.defaultView.getComputedStyle(this.parentNode, "")
                         .direction == "ltr") ||
               (event.keyCode == KeyEvent.DOM_VK_RIGHT &&
                 document.defaultView.getComputedStyle(this.parentNode, "")
                         .direction == "rtl")) {
             event.preventDefault();
             window.document.commandDispatcher.rewindFocus();
             return;
           }
           if (event.keyCode == KeyEvent.DOM_VK_DOWN ||
               (event.keyCode == KeyEvent.DOM_VK_RIGHT &&
                 document.defaultView.getComputedStyle(this.parentNode, "")
                         .direction == "ltr") ||
               (event.keyCode == KeyEvent.DOM_VK_LEFT &&
                 document.defaultView.getComputedStyle(this.parentNode, "")
                         .direction == "rtl")) {
             event.preventDefault();
             window.document.commandDispatcher.advanceFocus();
             return;
           }
         }
         if (event.keyCode || event.charCode <= 32 || event.altKey ||
             event.ctrlKey || event.metaKey)
           return;  // No printable char pressed, not a potential accesskey
         // Possible accesskey pressed
         var charPressedLower = String.fromCharCode(event.charCode).toLowerCase();
         // If the accesskey of the current button is pressed, just activate it
         if (this.accessKey.toLowerCase() == charPressedLower) {
           this.click();
           return;
         }
         // Search for accesskey in the list of buttons for this doc and each subdoc
         // Get the buttons for the main document and all sub-frames
         for (var frameCount = -1; frameCount < window.top.frames.length; frameCount++) {
           var doc = (frameCount == -1)? window.top.document:
             window.top.frames[frameCount].document
           if (this.fireAccessKeyButton(doc.documentElement, charPressedLower))
             return;
         }
         // Test anonymous buttons
         var dlg = window.top.document;
         var buttonBox = dlg.getAnonymousElementByAttribute(dlg.documentElement,
                                                          "anonid", "buttons");
         if (buttonBox)
           this.fireAccessKeyButton(buttonBox, charPressedLower);
       ]]>
       </handler>
     </handlers>
   </binding>
   <binding id="button" display="xul:button"
            extends="chrome://global/content/bindings/button.xml#button-base">
     <resources>
       <stylesheet src="chrome://global/skin/button.css"/>
     </resources>
     <content>
       <children includes="observes|template|menupopup|panel|tooltip"/>
       <xul:hbox class="box-inherit button-box" xbl:inherits="align,dir,pack,orient"
                 align="center" pack="center" flex="1" anonid="button-box">
         <children>
           <xul:image class="button-icon" xbl:inherits="src=image"/>
           <xul:label class="button-text" xbl:inherits="value=label,accesskey,crop"/>
         </children>
       </xul:hbox>
     </content>
   </binding>
   <binding id="menu" display="xul:menu"
            extends="chrome://global/content/bindings/button.xml#button">
     <content>
       <children includes="observes|template|menupopup|panel|tooltip"/>
       <xul:hbox class="box-inherit button-box" xbl:inherits="align,dir,pack,orient"
                 align="center" pack="center" flex="1">
         <children>
           <xul:hbox class="box-inherit" xbl:inherits="align,dir,pack,orient"
                     align="center" pack="center" flex="1">
             <xul:image class="button-icon" xbl:inherits="src=image"/>
             <xul:label class="button-text" xbl:inherits="value=label,accesskey,crop"/>
           </xul:hbox>
           <xul:dropmarker class="button-menu-dropmarker" xbl:inherits="open,disabled,label"/>
         </children>
       </xul:hbox>
     </content>
     <handlers>
       <handler event="keypress" keycode="VK_RETURN" action="this.open = true;"/>
       <handler event="keypress" key=" " action="this.open = true;"/>
     </handlers>
   </binding>
   <binding id="menu-button-base"
            extends="chrome://global/content/bindings/button.xml#button-base">
     <implementation implements="nsIDOMEventListener">
       <constructor>
         this.init();
       </constructor>
       <method name="init">
         <body>
         <![CDATA[
           var btn = document.getAnonymousElementByAttribute(this, "anonid", "button");
           if (!btn)
             throw "XBL binding for <button type=\"menu-button\"/> binding must contain an element with anonid=\"button\"";
           var menubuttonParent = this;
           btn.addEventListener("mouseover", function() {
             if (!this.disabled)
               menubuttonParent.buttonover = true;
           }, true);
           btn.addEventListener("mouseout", function() {
             menubuttonParent.buttonover = false;
           }, true);
           btn.addEventListener("mousedown", function() {
             if (!this.disabled) {
               menubuttonParent.buttondown = true;
               document.addEventListener("mouseup", menubuttonParent, true);
             }
           }, true);
         ]]>
         </body>
       </method>
       <property name="buttonover" onget="return this.getAttribute('buttonover');">
         <setter>
         <![CDATA[
           var v = val || val == "true";
           if (!v && this.buttondown) {
             this.buttondown = false;
             this._pendingActive = true;
           }
           else {
             if (this._pendingActive) {
               this.buttondown = true;
               this._pendingActive = false;
             }
           }
           if (v)
             this.setAttribute("buttonover", "true");
           else
             this.removeAttribute("buttonover");
           return val;
         ]]>
         </setter>
       </property>
       <property name="buttondown" onget="return this.getAttribute('buttondown') == 'true';">
         <setter>
         <![CDATA[
           if (val || val == "true")
             this.setAttribute("buttondown", "true");
           else
             this.removeAttribute("buttondown");
           return val;
         ]]>
         </setter>
       </property>
       <field name="_pendingActive">false</field>
       <method name="handleEvent">
         <parameter name="aEvent"/>
         <body>
         <![CDATA[
           this._pendingActive = false;
           this.buttondown = false;
           document.removeEventListener("mouseup", this, true);
         ]]>
         </body>
       </method>
     </implementation>
     <handlers>
       <handler event="keypress" keycode="VK_RETURN">
         if (event.originalTarget == this)
           this.open = true;
       </handler>
       <handler event="keypress" key=" ">
         if (event.originalTarget == this)
           this.open = true;
       </handler>
     </handlers>
   </binding>
   <binding id="menu-button" display="xul:menu"
            extends="chrome://global/content/bindings/button.xml#menu-button-base">
     <resources>
       <stylesheet src="chrome://global/skin/button.css"/>
     </resources>
     <content>
       <children includes="observes|template|menupopup|panel|tooltip"/>
       <xul:button class="box-inherit button-menubutton-button"
                   anonid="button" flex="1" allowevents="true"
                   xbl:inherits="disabled,crop,image,label,accesskey,command,
                                 buttonover,buttondown,align,dir,pack,orient">
         <children/>
       </xul:button>
       <xul:dropmarker class="button-menubutton-dropmarker" xbl:inherits="open,disabled,label"/>
     </content>
   </binding>
   <binding id="button-image" display="xul:button"
            extends="chrome://global/content/bindings/button.xml#button">
     <content>
       <xul:image class="button-image-icon" xbl:inherits="src=image"/>
     </content>
   </binding>
   <binding id="button-repeat" display="xul:autorepeatbutton"
            extends="chrome://global/content/bindings/button.xml#button"/>
 </bindings>

The Tor Browser / annotate

toolkit/content/widgets/button.xml@6474c204b198 (annotated)

toolkit/content/widgets/button.xml