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gecko/toolkit/content/widgets/browser.xml

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<?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/. -->
<!DOCTYPE bindings [
<!ENTITY % findBarDTD SYSTEM "chrome://global/locale/findbar.dtd" >
%findBarDTD;
]>
<bindings id="browserBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<binding id="browser" extends="xul:browser" role="outerdoc">
<content clickthrough="never">
<children/>
</content>
<implementation type="application/javascript" implements="nsIObserver, nsIDOMEventListener, nsIFrameRequestCallback, nsIMessageListener">
<property name="autoscrollEnabled">
<getter>
<![CDATA[
if (this.getAttribute("autoscroll") == "false")
return false;
var enabled = true;
try {
enabled = this.mPrefs.getBoolPref("general.autoScroll");
}
catch(ex) {
}
return enabled;
]]>
</getter>
</property>
<property name="canGoBack"
onget="return this.webNavigation.canGoBack;"
readonly="true"/>
<property name="canGoForward"
onget="return this.webNavigation.canGoForward;"
readonly="true"/>
<method name="goBack">
<body>
<![CDATA[
var webNavigation = this.webNavigation;
if (webNavigation.canGoBack) {
try {
this.userTypedClear++;
webNavigation.goBack();
} finally {
if (this.userTypedClear)
this.userTypedClear--;
}
}
]]>
</body>
</method>
<method name="goForward">
<body>
<![CDATA[
var webNavigation = this.webNavigation;
if (webNavigation.canGoForward) {
try {
this.userTypedClear++;
webNavigation.goForward();
} finally {
if (this.userTypedClear)
this.userTypedClear--;
}
}
]]>
</body>
</method>
<method name="reload">
<body>
<![CDATA[
const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
const flags = nsIWebNavigation.LOAD_FLAGS_NONE;
this.reloadWithFlags(flags);
]]>
</body>
</method>
<method name="reloadWithFlags">
<parameter name="aFlags"/>
<body>
<![CDATA[
this.webNavigation.reload(aFlags);
]]>
</body>
</method>
<method name="stop">
<body>
<![CDATA[
const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
const flags = nsIWebNavigation.STOP_ALL;
this.webNavigation.stop(flags);
]]>
</body>
</method>
<!-- throws exception for unknown schemes -->
<method name="loadURI">
<parameter name="aURI"/>
<parameter name="aReferrerURI"/>
<parameter name="aCharset"/>
<body>
<![CDATA[
const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
const flags = nsIWebNavigation.LOAD_FLAGS_NONE;
this.loadURIWithFlags(aURI, flags, aReferrerURI, aCharset);
]]>
</body>
</method>
<!-- throws exception for unknown schemes -->
<method name="loadURIWithFlags">
<parameter name="aURI"/>
<parameter name="aFlags"/>
<parameter name="aReferrerURI"/>
<parameter name="aCharset"/>
<parameter name="aPostData"/>
<body>
<![CDATA[
if (!aURI)
aURI = "about:blank";
if (!(aFlags & this.webNavigation.LOAD_FLAGS_FROM_EXTERNAL))
this.userTypedClear++;
try {
this.webNavigation.loadURI(aURI, aFlags, aReferrerURI, aPostData, null);
} finally {
if (this.userTypedClear)
this.userTypedClear--;
}
]]>
</body>
</method>
<method name="goHome">
<body>
<![CDATA[
try {
this.loadURI(this.homePage);
}
catch (e) {
}
]]>
</body>
</method>
<property name="homePage">
<getter>
<![CDATA[
var uri;
if (this.hasAttribute("homepage"))
uri = this.getAttribute("homepage");
else
uri = "http://www.mozilla.org/"; // widget pride
return uri;
]]>
</getter>
<setter>
<![CDATA[
this.setAttribute("homepage", val);
return val;
]]>
</setter>
</property>
<method name="gotoIndex">
<parameter name="aIndex"/>
<body>
<![CDATA[
try {
this.userTypedClear++;
this.webNavigation.gotoIndex(aIndex);
} finally {
if (this.userTypedClear)
this.userTypedClear--;
}
]]>
</body>
</method>
<property name="currentURI" readonly="true">
<getter><![CDATA[
if (this.webNavigation) {
return this.webNavigation.currentURI;
}
return null;
]]>
</getter>
</property>
<!--
Used by session restore to ensure that currentURI is set so
that switch-to-tab works before the tab is fully
restored. This function also invokes onLocationChanged
listeners in tabbrowser.xml.
-->
<method name="_setCurrentURI">
<parameter name="aURI"/>
<body><![CDATA[
this.docShell.setCurrentURI(aURI);
]]></body>
</method>
<property name="documentURI"
onget="return this.contentDocument.documentURIObject;"
readonly="true"/>
<property name="documentContentType"
onget="return this.contentDocument ? this.contentDocument.contentType : null;"
readonly="true"/>
<property name="preferences"
onget="return this.mPrefs.QueryInterface(Components.interfaces.nsIPrefService);"
readonly="true"/>
<field name="_docShell">null</field>
<property name="docShell" readonly="true">
<getter><![CDATA[
if (this._docShell)
return this._docShell;
let frameLoader = this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader;
if (!frameLoader)
return null;
this._docShell = frameLoader.docShell;
return this._docShell;
]]></getter>
</property>
<field name="_loadContext">null</field>
<property name="loadContext" readonly="true">
<getter><![CDATA[
if (this._loadContext)
return this._loadContext;
let frameLoader = this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader;
if (!frameLoader)
return null;
this._loadContext = frameLoader.loadContext;
return this._loadContext;
]]></getter>
</property>
<property name="docShellIsActive">
<getter>
<![CDATA[
return this.docShell && this.docShell.isActive;
]]>
</getter>
<setter>
<![CDATA[
if (this.docShell)
return this.docShell.isActive = val;
return false;
]]>
</setter>
</property>
<property name="imageDocument"
readonly="true">
<getter>
<![CDATA[
var document = this.contentDocument;
if (!document || !(document instanceof Ci.nsIImageDocument))
return null;
try {
return {width: document.imageRequest.image.width, height: document.imageRequest.image.height };
} catch (e) {}
return null;
]]>
</getter>
</property>
<property name="isRemoteBrowser"
onget="return (this.getAttribute('remote') == 'true');"
readonly="true"/>
<property name="messageManager"
readonly="true">
<getter>
<![CDATA[
var owner = this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner);
if (!owner.frameLoader) {
return null;
}
return owner.frameLoader.messageManager;
]]>
</getter>
</property>
<field name="_webNavigation">null</field>
<property name="webNavigation"
readonly="true">
<getter>
<![CDATA[
if (!this._webNavigation) {
if (!this.docShell) {
return null;
}
this._webNavigation = this.docShell.QueryInterface(Components.interfaces.nsIWebNavigation);
}
return this._webNavigation;
]]>
</getter>
</property>
<field name="_webBrowserFind">null</field>
<property name="webBrowserFind"
readonly="true">
<getter>
<![CDATA[
if (!this._webBrowserFind)
this._webBrowserFind = this.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIWebBrowserFind);
return this._webBrowserFind;
]]>
</getter>
</property>
<method name="getTabBrowser">
<body>
<![CDATA[
var tabBrowser = this.parentNode;
while (tabBrowser && tabBrowser.localName != "tabbrowser")
tabBrowser = tabBrowser.parentNode;
return tabBrowser;
]]>
</body>
</method>
<field name="_finder">null</field>
<property name="finder" readonly="true">
<getter><![CDATA[
if (!this._finder) {
if (!this.docShell)
return null;
let Finder = Components.utils.import("resource://gre/modules/Finder.jsm", {}).Finder;
this._finder = new Finder(this.docShell);
}
return this._finder;
]]></getter>
</property>
<field name="_fastFind">null</field>
<property name="fastFind" readonly="true">
<getter><![CDATA[
if (!this._fastFind) {
if (!("@mozilla.org/typeaheadfind;1" in Components.classes))
return null;
var tabBrowser = this.getTabBrowser();
if (tabBrowser && "fastFind" in tabBrowser)
return this._fastFind = tabBrowser.fastFind;
if (!this.docShell)
return null;
this._fastFind = Components.classes["@mozilla.org/typeaheadfind;1"]
.createInstance(Components.interfaces.nsITypeAheadFind);
this._fastFind.init(this.docShell);
}
return this._fastFind;
]]></getter>
</property>
<field name="_permanentKey">({})</field>
<property name="permanentKey"
onget="return this._permanentKey;"
onset="this._permanentKey = val;"/>
<field name="_lastSearchString">null</field>
<field name="_lastSearchHighlight">false</field>
<property name="webProgress"
readonly="true"
onget="return this.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIWebProgress);"/>
<field name="_contentWindow">null</field>
<property name="contentWindow"
readonly="true"
onget="return this._contentWindow || (this._contentWindow = this.docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIDOMWindow));"/>
<property name="contentWindowAsCPOW"
readonly="true"
onget="return this.contentWindow;"/>
<property name="sessionHistory"
onget="return this.webNavigation.sessionHistory;"
readonly="true"/>
<property name="markupDocumentViewer"
onget="return this.docShell.contentViewer;"
readonly="true"/>
<property name="contentViewerEdit"
onget="return this.docShell.contentViewer.QueryInterface(Components.interfaces.nsIContentViewerEdit);"
readonly="true"/>
<property name="contentViewerFile"
onget="return this.docShell.contentViewer.QueryInterface(Components.interfaces.nsIContentViewerFile);"
readonly="true"/>
<property name="contentDocument"
onget="return this.webNavigation.document;"
readonly="true"/>
<property name="contentDocumentAsCPOW"
onget="return this.contentDocument;"
readonly="true"/>
<property name="contentTitle"
onget="return this.contentDocument.title;"
readonly="true"/>
<property name="characterSet"
onget="return this.docShell.charset;">
<setter><![CDATA[
this.docShell.charset = val;
this.docShell.gatherCharsetMenuTelemetry();
]]></setter>
</property>
<property name="mayEnableCharacterEncodingMenu"
onget="return this.docShell.mayEnableCharacterEncodingMenu;"
readonly="true"/>
<property name="contentPrincipal"
onget="return this.contentDocument.nodePrincipal;"
readonly="true"/>
<property name="showWindowResizer"
onset="if (val) this.setAttribute('showresizer', 'true');
else this.removeAttribute('showresizer');
return val;"
onget="return this.getAttribute('showresizer') == 'true';"/>
<property name="fullZoom">
<getter><![CDATA[
return this.markupDocumentViewer.fullZoom;
]]></getter>
<setter><![CDATA[
this.markupDocumentViewer.fullZoom = val;
]]></setter>
</property>
<property name="textZoom">
<getter><![CDATA[
return this.markupDocumentViewer.textZoom;
]]></getter>
<setter><![CDATA[
this.markupDocumentViewer.textZoom = val;
]]></setter>
</property>
<property name="isSyntheticDocument">
<getter><![CDATA[
return this.contentDocument.mozSyntheticDocument;
]]></getter>
</property>
<field name="mPrefs" readonly="true">
Components.classes['@mozilla.org/preferences-service;1']
.getService(Components.interfaces.nsIPrefBranch);
</field>
<field name="mAtomService" readonly="true">
Components.classes['@mozilla.org/atom-service;1']
.getService(Components.interfaces.nsIAtomService);
</field>
<field name="_mStrBundle">null</field>
<property name="mStrBundle">
<getter>
<![CDATA[
if (!this._mStrBundle) {
// need to create string bundle manually instead of using <xul:stringbundle/>
// see bug 63370 for details
this._mStrBundle = Components.classes["@mozilla.org/intl/stringbundle;1"]
.getService(Components.interfaces.nsIStringBundleService)
.createBundle("chrome://global/locale/browser.properties");
}
return this._mStrBundle;
]]></getter>
</property>
<method name="addProgressListener">
<parameter name="aListener"/>
<parameter name="aNotifyMask"/>
<body>
<![CDATA[
if (!aNotifyMask) {
aNotifyMask = Components.interfaces.nsIWebProgress.NOTIFY_ALL;
}
this.webProgress.addProgressListener(aListener, aNotifyMask);
]]>
</body>
</method>
<method name="removeProgressListener">
<parameter name="aListener"/>
<body>
<![CDATA[
this.webProgress.removeProgressListener(aListener);
]]>
</body>
</method>
<method name="attachFormFill">
<body>
<![CDATA[
if (!this.mFormFillAttached && this.hasAttribute("autocompletepopup")) {
// hoop up the form fill autocomplete controller
var controller = Components.classes["@mozilla.org/satchel/form-fill-controller;1"].
getService(Components.interfaces.nsIFormFillController);
var popup = document.getElementById(this.getAttribute("autocompletepopup"));
if (popup) {
controller.attachToBrowser(this.docShell, popup.QueryInterface(Components.interfaces.nsIAutoCompletePopup));
this.mFormFillAttached = true;
}
}
]]>
</body>
</method>
<method name="detachFormFill">
<body>
<![CDATA[
if (this.mFormFillAttached) {
// hoop up the form fill autocomplete controller
var controller = Components.classes["@mozilla.org/satchel/form-fill-controller;1"].
getService(Components.interfaces.nsIFormFillController);
controller.detachFromBrowser(this.docShell);
this.mFormFillAttached = false;
}
]]>
</body>
</method>
<method name="findChildShell">
<parameter name="aDocShell"/>
<parameter name="aSoughtURI"/>
<body>
<![CDATA[
if (aDocShell.QueryInterface(Components.interfaces.nsIWebNavigation)
.currentURI.spec == aSoughtURI.spec)
return aDocShell;
var node = aDocShell.QueryInterface(
Components.interfaces.nsIDocShellTreeItem);
for (var i = 0; i < node.childCount; ++i) {
var docShell = node.getChildAt(i);
docShell = this.findChildShell(docShell, aSoughtURI);
if (docShell)
return docShell;
}
return null;
]]>
</body>
</method>
<method name="onPageShow">
<parameter name="aEvent"/>
<body>
<![CDATA[
this.attachFormFill();
]]>
</body>
</method>
<method name="onPageHide">
<parameter name="aEvent"/>
<body>
<![CDATA[
// 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 || !("fastFind" in tabBrowser) ||
tabBrowser.selectedBrowser == this)
this.fastFind.setDocShell(this.docShell);
]]>
</body>
</method>
<method name="updateBlockedPopups">
<body>
<![CDATA[
var event = document.createEvent("Events");
event.initEvent("DOMUpdatePageReport", true, true);
this.dispatchEvent(event);
]]>
</body>
</method>
<method name="unblockPopup">
<parameter name="aPopupIndex"/>
<body><![CDATA[
this.messageManager.sendAsyncMessage("PopupBlocking:UnblockPopup",
{index: aPopupIndex});
]]></body>
</method>
<field name="blockedPopups">null</field>
<!-- Obsolete name for blockedPopups. Used by metro and android. -->
<property name="pageReport"
onget="return this.blockedPopups;"
readonly="true"/>
<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>
<method name="adjustPriority">
<parameter name="adjustment"/>
<body><![CDATA[
let loadGroup = this.webNavigation.QueryInterface(Ci.nsIDocumentLoader)
.loadGroup.QueryInterface(Ci.nsISupportsPriority);
loadGroup.adjustPriority(adjustment);
]]></body>
</method>
<!--
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;">
<setter><![CDATA[
this.userTypedClear = 0;
this._userTypedValue = val;
return val;
]]></setter>
</property>
<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 {
// |webNavigation.sessionHistory| will have been set by the frame
// loader when creating the docShell as long as this xul:browser
// doesn't have the 'disablehistory' attribute set.
if (this.docShell && this.webNavigation.sessionHistory) {
var os = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
os.addObserver(this, "browser:purge-session-history", false);
// enable global history if we weren't told otherwise
if (!this.hasAttribute("disableglobalhistory") && !this.isRemoteBrowser) {
try {
this.docShell.useGlobalHistory = true;
} catch(ex) {
// This can occur if the Places database is locked
Components.utils.reportError("Error enabling browser global history: " + ex);
}
}
}
}
catch (e) {
Components.utils.reportError(e);
}
try {
var securityUI = this.securityUI;
}
catch (e) {
}
// Listen for first load for lazy attachment to form fill controller
// (But we don't want to do this for remote browsers - the test infra
// might fire these events when they normally wouldn't.)
if (!this.isRemoteBrowser) {
this.addEventListener("pageshow", this.onPageShow, true);
this.addEventListener("pagehide", this.onPageHide, true);
}
if (this.messageManager) {
this.messageManager.addMessageListener("PopupBlocking:UpdateBlockedPopups", this);
this.messageManager.addMessageListener("Autoscroll:Start", this);
this.messageManager.addMessageListener("Autoscroll:Cancel", this);
}
]]>
</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.docShell && this.webNavigation.sessionHistory) {
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;
if (!this.isRemoteBrowser) {
this.removeEventListener("pageshow", this.onPageShow, true);
this.removeEventListener("pagehide", this.onPageHide, true);
}
if (this._autoScrollNeedsCleanup) {
// we polluted the global scope, so clean it up
this._autoScrollPopup.parentNode.removeChild(this._autoScrollPopup);
}
]]>
</body>
</method>
<!--
We call this _receiveMessage (and alias receiveMessage to it) so that
bindings that inherit from this one can delegate to it.
-->
<method name="_receiveMessage">
<parameter name="aMessage"/>
<body><![CDATA[
let data = aMessage.data;
switch (aMessage.name) {
case "PopupBlocking:UpdateBlockedPopups": {
this.blockedPopups = data.blockedPopups;
if (this.blockedPopups) {
for (let i = 0; i < this.blockedPopups.length; i++) {
let scope = Components.utils.import("resource://gre/modules/BrowserUtils.jsm", {});
let uri = scope.BrowserUtils.makeURI(this.blockedPopups[i].popupWindowURI);
this.blockedPopups[i].popupWindowURI = uri;
}
if (data.freshPopup) {
this.blockedPopups.reported = false;
}
}
this.updateBlockedPopups();
break;
}
case "Autoscroll:Start": {
if (!this.autoscrollEnabled) {
return false;
}
let pos = this.mapScreenCoordinatesFromContent(data.screenX, data.screenY);
this.startScroll(data.scrolldir, pos.x, pos.y);
return true;
}
case "Autoscroll:Cancel":
this._autoScrollPopup.hidePopup();
break;
}
]]></body>
</method>
<method name="receiveMessage">
<parameter name="aMessage"/>
<body><![CDATA[
return this._receiveMessage(aMessage);
]]></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="_scrolling">false</field>
<field name="_startX">null</field>
<field name="_startY">null</field>
<field name="_autoScrollPopup">null</field>
<field name="_autoScrollNeedsCleanup">false</field>
<method name="stopScroll">
<body>
<![CDATA[
if (this._scrolling) {
this._scrolling = false;
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);
this.messageManager.sendAsyncMessage("Autoscroll:Stop");
}
]]>
</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";
// We set this attribute on the element so that mousemove
// events can be handled by browser-content.js.
popup.setAttribute("mousethrough", "always");
return popup;
]]>
</body>
</method>
<method name="startScroll">
<parameter name="scrolldir"/>
<parameter name="screenX"/>
<parameter name="screenY"/>
<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;
}
}
// 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._autoScrollPopup.setAttribute("scrolldir", scrolldir);
this._autoScrollPopup.addEventListener("popuphidden", this, true);
this._autoScrollPopup.showPopup(document.documentElement,
screenX,
screenY,
"popup", null, null);
this._ignoreMouseEvents = true;
this._scrolling = true;
this._startX = screenX;
this._startY = screenY;
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);
]]>
</body>
</method>
<method name="handleEvent">
<parameter name="aEvent"/>
<body>
<![CDATA[
if (this._scrolling) {
switch(aEvent.type) {
case "mousemove": {
var x = aEvent.screenX - this._startX;
var y = aEvent.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 "keydown": {
if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
// the escape key will be processed by
// nsXULPopupManager::KeyDown and the panel will be closed.
// So, don't consume the key event here.
break;
}
// don't break here. we need to eat keydown events.
}
case "keypress":
case "keyup": {
// All keyevents should be eaten here during autoscrolling.
aEvent.stopPropagation();
aEvent.preventDefault();
break;
}
}
}
]]>
</body>
</method>
<!--
For out-of-process code, event.screen[XY] is relative to the
left/top of the content view. For in-process code,
event.screen[XY] is relative to the left/top of the screen. We
use this method to map screen coordinates received from a
(possibly out-of-process) <browser> element to coordinates
that are relative to the screen. This code handles the
in-process case, where we return the coordinates unchanged.
-->
<method name="mapScreenCoordinatesFromContent">
<parameter name="aScreenX"/>
<parameter name="aScreenY"/>
<body>
<![CDATA[
return { x: aScreenX, y: aScreenY };
]]>
</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",
"_permanentKey"
];
var ourFieldValues = {};
var otherFieldValues = {};
for each (var field in fieldsToSwap) {
ourFieldValues[field] = this[field];
otherFieldValues[field] = aOtherBrowser[field];
}
if (window.PopupNotifications)
PopupNotifications._swapBrowserNotifications(aOtherBrowser, this);
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.
if (!this.isRemoteBrowser) {
this.attachFormFill();
}
if (!aOtherBrowser.isRemoteBrowser) {
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;
const kPrefShortcutEnabled = "accessibility.browsewithcaret_shortcut.enabled";
const kPrefWarnOnEnable = "accessibility.warn_on_browsewithcaret";
const kPrefCaretBrowsingOn = "accessibility.browsewithcaret";
var isEnabled = this.mPrefs.getBoolPref(kPrefShortcutEnabled);
if (!isEnabled)
return;
// Toggle browse with caret mode
var browseWithCaretOn = false;
var warn = true;
try {
warn = this.mPrefs.getBoolPref(kPrefWarnOnEnable);
} catch (ex) {
}
try {
browseWithCaretOn = this.mPrefs.getBoolPref(kPrefCaretBrowsingOn);
} 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'),
// Make "No" the default:
promptService.STD_YES_NO_BUTTONS | promptService.BUTTON_POS_1_DEFAULT,
null, null, null, this.mStrBundle.GetStringFromName('browsewithcaret.checkMsg'),
checkValue);
if (buttonPressed != 0) {
if (checkValue.value) {
try {
this.mPrefs.setBoolPref(kPrefShortcutEnabled, false);
} catch (ex) {
}
}
return;
}
if (checkValue.value) {
try {
this.mPrefs.setBoolPref(kPrefWarnOnEnable, false);
}
catch (ex) {
}
}
}
// Toggle the pref
try {
this.mPrefs.setBoolPref(kPrefCaretBrowsingOn, !browseWithCaretOn);
} catch (ex) {
}
]]>
</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>
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