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gecko/browser/base/content/tabbrowser.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 % tabBrowserDTD SYSTEM "chrome://browser/locale/tabbrowser.dtd" >
%tabBrowserDTD;
]>
# MAKE_E10S_WORK surrounds code needed to have the front-end try to be smart
# about using non-remote browsers for loading certain URIs when remote tabs
# (browser.tabs.remote) are enabled.
#define MAKE_E10S_WORK 1
<bindings id="tabBrowserBindings"
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="tabbrowser">
<resources>
<stylesheet src="chrome://browser/content/tabbrowser.css"/>
</resources>
<content>
<xul:stringbundle anonid="tbstringbundle" src="chrome://browser/locale/tabbrowser.properties"/>
<xul:tabbox anonid="tabbox" class="tabbrowser-tabbox"
flex="1" eventnode="document" xbl:inherits="handleCtrlPageUpDown"
onselect="if (event.target.localName == 'tabpanels') this.parentNode.updateCurrentBrowser();">
<xul:tabpanels flex="1" class="plain" selectedIndex="0" anonid="panelcontainer">
<xul:notificationbox flex="1">
<xul:hbox flex="1" class="browserSidebarContainer">
<xul:vbox flex="1" class="browserContainer">
<xul:stack flex="1" class="browserStack" anonid="browserStack">
<xul:browser anonid="initialBrowser" type="content-primary" message="true"
xbl:inherits="tooltip=contenttooltip,contextmenu=contentcontextmenu,autocompletepopup,selectpopup"/>
</xul:stack>
</xul:vbox>
</xul:hbox>
</xul:notificationbox>
</xul:tabpanels>
</xul:tabbox>
<children/>
</content>
<implementation implements="nsIDOMEventListener, nsIMessageListener">
<property name="tabContextMenu" readonly="true"
onget="return this.tabContainer.contextMenu;"/>
<field name="tabContainer" readonly="true">
document.getElementById(this.getAttribute("tabcontainer"));
</field>
<field name="tabs" readonly="true">
this.tabContainer.childNodes;
</field>
<property name="visibleTabs" readonly="true">
<getter><![CDATA[
if (!this._visibleTabs)
this._visibleTabs = Array.filter(this.tabs,
function (tab) !tab.hidden && !tab.closing);
return this._visibleTabs;
]]></getter>
</property>
<field name="closingTabsEnum" readonly="true">({ ALL: 0, OTHER: 1, TO_END: 2 });</field>
<field name="_visibleTabs">null</field>
<field name="mURIFixup" readonly="true">
Components.classes["@mozilla.org/docshell/urifixup;1"]
.getService(Components.interfaces.nsIURIFixup);
</field>
<field name="mFaviconService" readonly="true">
Components.classes["@mozilla.org/browser/favicon-service;1"]
.getService(Components.interfaces.nsIFaviconService);
</field>
<field name="_placesAutocomplete" readonly="true">
Components.classes["@mozilla.org/autocomplete/search;1?name=history"]
.getService(Components.interfaces.mozIPlacesAutoComplete);
</field>
<field name="mTabBox" readonly="true">
document.getAnonymousElementByAttribute(this, "anonid", "tabbox");
</field>
<field name="mPanelContainer" readonly="true">
document.getAnonymousElementByAttribute(this, "anonid", "panelcontainer");
</field>
<field name="mStringBundle">
document.getAnonymousElementByAttribute(this, "anonid", "tbstringbundle");
</field>
<field name="mCurrentTab">
null
</field>
<field name="_lastRelatedTab">
null
</field>
<field name="mCurrentBrowser">
null
</field>
<field name="mProgressListeners">
[]
</field>
<field name="mTabsProgressListeners">
[]
</field>
<field name="mTabListeners">
[]
</field>
<field name="mTabFilters">
[]
</field>
<field name="mIsBusy">
false
</field>
<field name="arrowKeysShouldWrap" readonly="true">
#ifdef XP_MACOSX
true
#else
false
#endif
</field>
<field name="_autoScrollPopup">
null
</field>
<field name="_previewMode">
false
</field>
<field name="_lastFindValue">
""
</field>
<property name="_numPinnedTabs" readonly="true">
<getter><![CDATA[
for (var i = 0; i < this.tabs.length; i++) {
if (!this.tabs[i].pinned)
break;
}
return i;
]]></getter>
</property>
<method name="isFindBarInitialized">
<parameter name="aTab"/>
<body><![CDATA[
return (aTab || this.selectedTab)._findBar != undefined;
]]></body>
</method>
<method name="getFindBar">
<parameter name="aTab"/>
<body><![CDATA[
if (!aTab)
aTab = this.selectedTab;
if (aTab._findBar)
return aTab._findBar;
let findBar = document.createElementNS(this.namespaceURI, "findbar");
let browser = this.getBrowserForTab(aTab);
let browserContainer = this.getBrowserContainer(browser);
browserContainer.appendChild(findBar);
// Force a style flush to ensure that our binding is attached.
findBar.clientTop;
findBar.browser = browser;
findBar._findField.value = this._lastFindValue;
aTab._findBar = findBar;
let event = document.createEvent("Events");
event.initEvent("TabFindInitialized", true, false);
aTab.dispatchEvent(event);
return findBar;
]]></body>
</method>
<method name="getStatusPanel">
<body><![CDATA[
if (!this._statusPanel) {
this._statusPanel = document.createElementNS(this.namespaceURI, "statuspanel");
this._statusPanel.setAttribute("inactive", "true");
this._statusPanel.setAttribute("layer", "true");
this._appendStatusPanel();
}
return this._statusPanel;
]]></body>
</method>
<method name="_appendStatusPanel">
<body><![CDATA[
if (this._statusPanel) {
let browser = this.selectedBrowser;
let browserContainer = this.getBrowserContainer(browser);
browserContainer.insertBefore(this._statusPanel, browser.parentNode.nextSibling);
}
]]></body>
</method>
<method name="updateWindowResizers">
<body><![CDATA[
if (!window.gShowPageResizers)
return;
var show = window.windowState == window.STATE_NORMAL;
for (let i = 0; i < this.browsers.length; i++) {
this.browsers[i].showWindowResizer = show;
}
]]></body>
</method>
<method name="_setCloseKeyState">
<parameter name="aEnabled"/>
<body><![CDATA[
let keyClose = document.getElementById("key_close");
let closeKeyEnabled = keyClose.getAttribute("disabled") != "true";
if (closeKeyEnabled == aEnabled)
return;
if (aEnabled)
keyClose.removeAttribute("disabled");
else
keyClose.setAttribute("disabled", "true");
// We also want to remove the keyboard shortcut from the file menu
// when the shortcut is disabled, and bring it back when it's
// renabled.
//
// Fixing bug 630826 could make that happen automatically.
// Fixing bug 630830 could avoid the ugly hack below.
let closeMenuItem = document.getElementById("menu_close");
let parentPopup = closeMenuItem.parentNode;
let nextItem = closeMenuItem.nextSibling;
let clonedItem = closeMenuItem.cloneNode(true);
parentPopup.removeChild(closeMenuItem);
if (aEnabled)
clonedItem.setAttribute("key", "key_close");
else
clonedItem.removeAttribute("key");
parentPopup.insertBefore(clonedItem, nextItem);
]]></body>
</method>
<method name="pinTab">
<parameter name="aTab"/>
<body><![CDATA[
if (aTab.pinned)
return;
if (aTab.hidden)
this.showTab(aTab);
this.moveTabTo(aTab, this._numPinnedTabs);
aTab.setAttribute("pinned", "true");
this.tabContainer._unlockTabSizing();
this.tabContainer._positionPinnedTabs();
this.tabContainer.adjustTabstrip();
this.getBrowserForTab(aTab).docShell.isAppTab = true;
if (aTab.selected)
this._setCloseKeyState(false);
let event = document.createEvent("Events");
event.initEvent("TabPinned", true, false);
aTab.dispatchEvent(event);
]]></body>
</method>
<method name="unpinTab">
<parameter name="aTab"/>
<body><![CDATA[
if (!aTab.pinned)
return;
this.moveTabTo(aTab, this._numPinnedTabs - 1);
aTab.setAttribute("fadein", "true");
aTab.removeAttribute("pinned");
aTab.style.MozMarginStart = "";
this.tabContainer._unlockTabSizing();
this.tabContainer._positionPinnedTabs();
this.tabContainer.adjustTabstrip();
this.getBrowserForTab(aTab).docShell.isAppTab = false;
if (aTab.selected)
this._setCloseKeyState(true);
let event = document.createEvent("Events");
event.initEvent("TabUnpinned", true, false);
aTab.dispatchEvent(event);
]]></body>
</method>
<method name="previewTab">
<parameter name="aTab"/>
<parameter name="aCallback"/>
<body>
<![CDATA[
let currentTab = this.selectedTab;
try {
// Suppress focus, ownership and selected tab changes
this._previewMode = true;
this.selectedTab = aTab;
aCallback();
} finally {
this.selectedTab = currentTab;
this._previewMode = false;
}
]]>
</body>
</method>
<method name="getBrowserAtIndex">
<parameter name="aIndex"/>
<body>
<![CDATA[
return this.browsers[aIndex];
]]>
</body>
</method>
<method name="getBrowserIndexForDocument">
<parameter name="aDocument"/>
<body>
<![CDATA[
var tab = this._getTabForContentWindow(aDocument.defaultView);
return tab ? tab._tPos : -1;
]]>
</body>
</method>
<method name="getBrowserForDocument">
<parameter name="aDocument"/>
<body>
<![CDATA[
var tab = this._getTabForContentWindow(aDocument.defaultView);
return tab ? tab.linkedBrowser : null;
]]>
</body>
</method>
<method name="_getTabForContentWindow">
<parameter name="aWindow"/>
<body>
<![CDATA[
for (let i = 0; i < this.browsers.length; i++) {
if (this.browsers[i].contentWindow == aWindow)
return this.tabs[i];
}
return null;
]]>
</body>
</method>
<method name="_getTabForBrowser">
<parameter name="aBrowser"/>
<body>
<![CDATA[
for (let i = 0; i < this.tabs.length; i++) {
if (this.tabs[i].linkedBrowser == aBrowser)
return this.tabs[i];
}
return null;
]]>
</body>
</method>
<method name="getNotificationBox">
<parameter name="aBrowser"/>
<body>
<![CDATA[
return this.getSidebarContainer(aBrowser).parentNode;
]]>
</body>
</method>
<method name="getSidebarContainer">
<parameter name="aBrowser"/>
<body>
<![CDATA[
return this.getBrowserContainer(aBrowser).parentNode;
]]>
</body>
</method>
<method name="getBrowserContainer">
<parameter name="aBrowser"/>
<body>
<![CDATA[
return (aBrowser || this.mCurrentBrowser).parentNode.parentNode;
]]>
</body>
</method>
<method name="getTabModalPromptBox">
<parameter name="aBrowser"/>
<body>
<![CDATA[
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
let browser = (aBrowser || this.mCurrentBrowser);
let stack = browser.parentNode;
let self = this;
let promptBox = {
appendPrompt : function(args, onCloseCallback) {
let newPrompt = document.createElementNS(XUL_NS, "tabmodalprompt");
stack.appendChild(newPrompt);
browser.setAttribute("tabmodalPromptShowing", true);
newPrompt.clientTop; // style flush to assure binding is attached
let tab = self._getTabForContentWindow(browser.contentWindow);
newPrompt.init(args, tab, onCloseCallback);
return newPrompt;
},
removePrompt : function(aPrompt) {
stack.removeChild(aPrompt);
let prompts = this.listPrompts();
if (prompts.length) {
let prompt = prompts[prompts.length - 1];
prompt.Dialog.setDefaultFocus();
} else {
browser.removeAttribute("tabmodalPromptShowing");
browser.focus();
}
},
listPrompts : function(aPrompt) {
let els = stack.getElementsByTagNameNS(XUL_NS, "tabmodalprompt");
// NodeList --> real JS array
let prompts = Array.slice(els);
return prompts;
},
};
return promptBox;
]]>
</body>
</method>
<method name="_callProgressListeners">
<parameter name="aBrowser"/>
<parameter name="aMethod"/>
<parameter name="aArguments"/>
<parameter name="aCallGlobalListeners"/>
<parameter name="aCallTabsListeners"/>
<body><![CDATA[
var rv = true;
if (!aBrowser)
aBrowser = this.mCurrentBrowser;
if (aCallGlobalListeners != false &&
aBrowser == this.mCurrentBrowser) {
this.mProgressListeners.forEach(function (p) {
if (aMethod in p) {
try {
if (!p[aMethod].apply(p, aArguments))
rv = false;
} catch (e) {
// don't inhibit other listeners
Components.utils.reportError(e);
}
}
});
}
if (aCallTabsListeners != false) {
aArguments.unshift(aBrowser);
this.mTabsProgressListeners.forEach(function (p) {
if (aMethod in p) {
try {
if (!p[aMethod].apply(p, aArguments))
rv = false;
} catch (e) {
// don't inhibit other listeners
Components.utils.reportError(e);
}
}
});
}
return rv;
]]></body>
</method>
<!-- A web progress listener object definition for a given tab. -->
<method name="mTabProgressListener">
<parameter name="aTab"/>
<parameter name="aBrowser"/>
<parameter name="aStartsBlank"/>
<body>
<![CDATA[
return ({
mTabBrowser: this,
mTab: aTab,
mBrowser: aBrowser,
mBlank: aStartsBlank,
// cache flags for correct status UI update after tab switching
mStateFlags: 0,
mStatus: 0,
mMessage: "",
mTotalProgress: 0,
// count of open requests (should always be 0 or 1)
mRequestCount: 0,
destroy: function () {
delete this.mTab;
delete this.mBrowser;
delete this.mTabBrowser;
},
_callProgressListeners: function () {
Array.unshift(arguments, this.mBrowser);
return this.mTabBrowser._callProgressListeners.apply(this.mTabBrowser, arguments);
},
_shouldShowProgress: function (aRequest) {
if (this.mBlank)
return false;
if (gMultiProcessBrowser)
return true;
// Don't show progress indicators in tabs for about: URIs
// pointing to local resources.
try {
let channel = aRequest.QueryInterface(Ci.nsIChannel);
if (channel.originalURI.schemeIs("about") &&
(channel.URI.schemeIs("jar") || channel.URI.schemeIs("file")))
return false;
} catch (e) {}
return true;
},
onProgressChange: function (aWebProgress, aRequest,
aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress) {
this.mTotalProgress = aMaxTotalProgress ? aCurTotalProgress / aMaxTotalProgress : 0;
if (!this._shouldShowProgress(aRequest))
return;
if (this.mTotalProgress)
this.mTab.setAttribute("progress", "true");
this._callProgressListeners("onProgressChange",
[aWebProgress, aRequest,
aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress]);
},
onProgressChange64: function (aWebProgress, aRequest,
aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress) {
return this.onProgressChange(aWebProgress, aRequest,
aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress,
aMaxTotalProgress);
},
onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus) {
if (!aRequest)
return;
var oldBlank = this.mBlank;
const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
const nsIChannel = Components.interfaces.nsIChannel;
if (aStateFlags & nsIWebProgressListener.STATE_START) {
this.mRequestCount++;
}
else if (aStateFlags & nsIWebProgressListener.STATE_STOP) {
const NS_ERROR_UNKNOWN_HOST = 2152398878;
if (--this.mRequestCount > 0 && aStatus == NS_ERROR_UNKNOWN_HOST) {
// to prevent bug 235825: wait for the request handled
// by the automatic keyword resolver
return;
}
// since we (try to) only handle STATE_STOP of the last request,
// the count of open requests should now be 0
this.mRequestCount = 0;
}
if (aStateFlags & nsIWebProgressListener.STATE_START &&
aStateFlags & nsIWebProgressListener.STATE_IS_NETWORK) {
// It's okay to clear what the user typed when we start
// loading a document. If the user types, this counter gets
// set to zero, if the document load ends without an
// onLocationChange, this counter gets decremented
// (so we keep it while switching tabs after failed loads)
// We need to add 2 because loadURIWithFlags may have
// cancelled a pending load which would have cleared
// its anchor scroll detection temporary increment.
if (aWebProgress.isTopLevel)
this.mBrowser.userTypedClear += 2;
if (this._shouldShowProgress(aRequest)) {
if (!(aStateFlags & nsIWebProgressListener.STATE_RESTORING)) {
this.mTab.setAttribute("busy", "true");
if (!(aWebProgress.loadType & Ci.nsIDocShell.LOAD_CMD_RELOAD))
this.mTabBrowser.setTabTitleLoading(this.mTab);
}
if (this.mTab.selected)
this.mTabBrowser.mIsBusy = true;
}
}
else if (aStateFlags & nsIWebProgressListener.STATE_STOP &&
aStateFlags & nsIWebProgressListener.STATE_IS_NETWORK) {
if (this.mTab.hasAttribute("busy")) {
this.mTab.removeAttribute("busy");
this.mTabBrowser._tabAttrModified(this.mTab);
if (!this.mTab.selected)
this.mTab.setAttribute("unread", "true");
}
this.mTab.removeAttribute("progress");
if (aWebProgress.isTopLevel) {
if (!Components.isSuccessCode(aStatus) &&
!isTabEmpty(this.mTab)) {
// Restore the current document's location in case the
// request was stopped (possibly from a content script)
// before the location changed.
this.mBrowser.userTypedValue = null;
if (this.mTab.selected && gURLBar)
URLBarSetURI();
} else {
// The document is done loading, we no longer want the
// value cleared.
if (this.mBrowser.userTypedClear > 1)
this.mBrowser.userTypedClear -= 2;
else if (this.mBrowser.userTypedClear > 0)
this.mBrowser.userTypedClear--;
}
if (!this.mBrowser.mIconURL)
this.mTabBrowser.useDefaultIcon(this.mTab);
}
if (this.mBlank)
this.mBlank = false;
var location = aRequest.QueryInterface(nsIChannel).URI;
// For keyword URIs clear the user typed value since they will be changed into real URIs
if (location.scheme == "keyword")
this.mBrowser.userTypedValue = null;
if (this.mTab.label == this.mTabBrowser.mStringBundle.getString("tabs.connecting"))
this.mTabBrowser.setTabTitle(this.mTab);
if (this.mTab.selected)
this.mTabBrowser.mIsBusy = false;
}
if (oldBlank) {
this._callProgressListeners("onUpdateCurrentBrowser",
[aStateFlags, aStatus, "", 0],
true, false);
} else {
this._callProgressListeners("onStateChange",
[aWebProgress, aRequest, aStateFlags, aStatus],
true, false);
}
this._callProgressListeners("onStateChange",
[aWebProgress, aRequest, aStateFlags, aStatus],
false);
if (aStateFlags & (nsIWebProgressListener.STATE_START |
nsIWebProgressListener.STATE_STOP)) {
// reset cached temporary values at beginning and end
this.mMessage = "";
this.mTotalProgress = 0;
}
this.mStateFlags = aStateFlags;
this.mStatus = aStatus;
},
onLocationChange: function (aWebProgress, aRequest, aLocation,
aFlags) {
// OnLocationChange is called for both the top-level content
// and the subframes.
let topLevel = aWebProgress.isTopLevel;
if (topLevel) {
// If userTypedClear > 0, the document loaded correctly and we should be
// clearing the user typed value. We also need to clear the typed value
// if the document failed to load, to make sure the urlbar reflects the
// failed URI (particularly for SSL errors). However, don't clear the value
// if the error page's URI is about:blank, because that causes complete
// loss of urlbar contents for invalid URI errors (see bug 867957).
if (this.mBrowser.userTypedClear > 0 ||
((aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_ERROR_PAGE) &&
aLocation.spec != "about:blank"))
this.mBrowser.userTypedValue = null;
// Clear out the missing plugins list since it's related to the
// previous location.
this.mBrowser.missingPlugins = null;
if (this.mTabBrowser.isFindBarInitialized(this.mTab)) {
let findBar = this.mTabBrowser.getFindBar(this.mTab);
// Close the Find toolbar if we're in old-style TAF mode
if (findBar.findMode != findBar.FIND_NORMAL)
findBar.close();
// fix bug 253793 - turn off highlight when page changes
findBar.getElement("highlight").checked = false;
}
// Don't clear the favicon if this onLocationChange was
// triggered by a pushState or a replaceState. See bug 550565.
if (aWebProgress.isLoadingDocument &&
!(aWebProgress.loadType & Ci.nsIDocShell.LOAD_CMD_PUSHSTATE)) {
this.mBrowser.mIconURL = null;
}
let autocomplete = this.mTabBrowser._placesAutocomplete;
if (this.mBrowser.registeredOpenURI) {
autocomplete.unregisterOpenPage(this.mBrowser.registeredOpenURI);
delete this.mBrowser.registeredOpenURI;
}
// Tabs in private windows aren't registered as "Open" so
// that they don't appear as switch-to-tab candidates.
if (!isBlankPageURL(aLocation.spec) &&
(!PrivateBrowsingUtils.isWindowPrivate(window) ||
PrivateBrowsingUtils.permanentPrivateBrowsing)) {
autocomplete.registerOpenPage(aLocation);
this.mBrowser.registeredOpenURI = aLocation;
}
}
if (!this.mBlank) {
this._callProgressListeners("onLocationChange",
[aWebProgress, aRequest, aLocation,
aFlags]);
}
if (topLevel) {
this.mBrowser.lastURI = aLocation;
this.mBrowser.lastLocationChange = Date.now();
}
},
onStatusChange: function (aWebProgress, aRequest, aStatus, aMessage) {
if (this.mBlank)
return;
this._callProgressListeners("onStatusChange",
[aWebProgress, aRequest, aStatus, aMessage]);
this.mMessage = aMessage;
},
onSecurityChange: function (aWebProgress, aRequest, aState) {
this._callProgressListeners("onSecurityChange",
[aWebProgress, aRequest, aState]);
},
onRefreshAttempted: function (aWebProgress, aURI, aDelay, aSameURI) {
return this._callProgressListeners("onRefreshAttempted",
[aWebProgress, aURI, aDelay, aSameURI]);
},
QueryInterface: function (aIID) {
if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
aIID.equals(Components.interfaces.nsIWebProgressListener2) ||
aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
aIID.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_NOINTERFACE;
}
});
]]>
</body>
</method>
<method name="setIcon">
<parameter name="aTab"/>
<parameter name="aURI"/>
<body>
<![CDATA[
var browser = this.getBrowserForTab(aTab);
browser.mIconURL = aURI instanceof Ci.nsIURI ? aURI.spec : aURI;
if (aURI && this.mFaviconService) {
if (!(aURI instanceof Ci.nsIURI))
aURI = makeURI(aURI);
this.mFaviconService.setAndFetchFaviconForPage(browser.currentURI,
aURI, false,
PrivateBrowsingUtils.isWindowPrivate(window) ?
this.mFaviconService.FAVICON_LOAD_PRIVATE :
this.mFaviconService.FAVICON_LOAD_NON_PRIVATE);
}
let sizedIconUrl = browser.mIconURL || "";
if (sizedIconUrl) {
let size = Math.round(16 * window.devicePixelRatio);
sizedIconUrl += (sizedIconUrl.contains("#") ? "&" : "#") +
"-moz-resolution=" + size + "," + size;
}
if (sizedIconUrl != aTab.getAttribute("image")) {
if (sizedIconUrl)
aTab.setAttribute("image", sizedIconUrl);
else
aTab.removeAttribute("image");
this._tabAttrModified(aTab);
}
this._callProgressListeners(browser, "onLinkIconAvailable", [browser.mIconURL]);
]]>
</body>
</method>
<method name="getIcon">
<parameter name="aTab"/>
<body>
<![CDATA[
let browser = aTab ? this.getBrowserForTab(aTab) : this.selectedBrowser;
return browser.mIconURL;
]]>
</body>
</method>
<method name="shouldLoadFavIcon">
<parameter name="aURI"/>
<body>
<![CDATA[
return (aURI &&
Services.prefs.getBoolPref("browser.chrome.site_icons") &&
Services.prefs.getBoolPref("browser.chrome.favicons") &&
("schemeIs" in aURI) && (aURI.schemeIs("http") || aURI.schemeIs("https")));
]]>
</body>
</method>
<method name="useDefaultIcon">
<parameter name="aTab"/>
<body>
<![CDATA[
var browser = this.getBrowserForTab(aTab);
var documentURI = browser.documentURI;
var icon = null;
if (browser.imageDocument) {
if (Services.prefs.getBoolPref("browser.chrome.site_icons")) {
let sz = Services.prefs.getIntPref("browser.chrome.image_icons.max_size");
if (browser.imageDocument.width <= sz &&
browser.imageDocument.height <= sz) {
icon = browser.currentURI;
}
}
}
// Use documentURIObject in the check for shouldLoadFavIcon so that we
// do the right thing with about:-style error pages. Bug 453442
else if (this.shouldLoadFavIcon(documentURI)) {
let url = documentURI.prePath + "/favicon.ico";
if (!this.isFailedIcon(url))
icon = url;
}
this.setIcon(aTab, icon);
]]>
</body>
</method>
<method name="isFailedIcon">
<parameter name="aURI"/>
<body>
<![CDATA[
if (this.mFaviconService) {
if (!(aURI instanceof Ci.nsIURI))
aURI = makeURI(aURI);
return this.mFaviconService.isFailedFavicon(aURI);
}
return null;
]]>
</body>
</method>
<method name="getWindowTitleForBrowser">
<parameter name="aBrowser"/>
<body>
<![CDATA[
var newTitle = "";
var docElement = this.ownerDocument.documentElement;
var sep = docElement.getAttribute("titlemenuseparator");
// Strip out any null bytes in the content title, since the
// underlying widget implementations of nsWindow::SetTitle pass
// null-terminated strings to system APIs.
var docTitle = aBrowser.contentTitle.replace("\0", "", "g");
if (!docTitle)
docTitle = docElement.getAttribute("titledefault");
var modifier = docElement.getAttribute("titlemodifier");
if (docTitle) {
newTitle += docElement.getAttribute("titlepreface");
newTitle += docTitle;
if (modifier)
newTitle += sep;
}
newTitle += modifier;
// If location bar is hidden and the URL type supports a host,
// add the scheme and host to the title to prevent spoofing.
// XXX https://bugzilla.mozilla.org/show_bug.cgi?id=22183#c239
try {
if (docElement.getAttribute("chromehidden").contains("location")) {
var uri = this.mURIFixup.createExposableURI(
aBrowser.currentURI);
if (uri.scheme == "about")
newTitle = uri.spec + sep + newTitle;
else
newTitle = uri.prePath + sep + newTitle;
}
} catch (e) {}
return newTitle;
]]>
</body>
</method>
<method name="updateTitlebar">
<body>
<![CDATA[
if ("TabView" in window && TabView.isVisible()) {
// ToDo: this will be removed when we gain ability to draw to the menu bar.
// Bug 586175
this.ownerDocument.title = TabView.windowTitle;
}
else {
this.ownerDocument.title = this.getWindowTitleForBrowser(this.mCurrentBrowser);
}
]]>
</body>
</method>
<method name="updateCurrentBrowser">
<parameter name="aForceUpdate"/>
<body>
<![CDATA[
var newBrowser = this.getBrowserAtIndex(this.tabContainer.selectedIndex);
if (this.mCurrentBrowser == newBrowser && !aForceUpdate)
return;
if (!aForceUpdate) {
TelemetryStopwatch.start("FX_TAB_SWITCH_UPDATE_MS");
window.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils)
.beginTabSwitch();
}
var oldTab = this.mCurrentTab;
// Preview mode should not reset the owner
if (!this._previewMode && !oldTab.selected)
oldTab.owner = null;
if (this._lastRelatedTab) {
if (!this._lastRelatedTab.selected)
this._lastRelatedTab.owner = null;
this._lastRelatedTab = null;
}
var oldBrowser = this.mCurrentBrowser;
if (oldBrowser) {
oldBrowser.setAttribute("type", "content-targetable");
oldBrowser.docShellIsActive = false;
}
var updatePageReport = false;
if (!oldBrowser ||
(oldBrowser.pageReport && !newBrowser.pageReport) ||
(!oldBrowser.pageReport && newBrowser.pageReport))
updatePageReport = true;
newBrowser.setAttribute("type", "content-primary");
newBrowser.docShellIsActive =
(window.windowState != window.STATE_MINIMIZED);
this.mCurrentBrowser = newBrowser;
this.mCurrentTab = this.tabContainer.selectedItem;
this.showTab(this.mCurrentTab);
var backForwardContainer = document.getElementById("urlbar-container");
if (backForwardContainer) {
backForwardContainer.setAttribute("switchingtabs", "true");
window.addEventListener("MozAfterPaint", function removeSwitchingtabsAttr() {
window.removeEventListener("MozAfterPaint", removeSwitchingtabsAttr);
backForwardContainer.removeAttribute("switchingtabs");
});
}
this._appendStatusPanel();
if (updatePageReport)
this.mCurrentBrowser.updatePageReport();
// Update the URL bar.
var loc = this.mCurrentBrowser.currentURI;
// Bug 666809 - SecurityUI support for e10s
var webProgress = this.mCurrentBrowser.webProgress;
var securityUI = this.mCurrentBrowser.securityUI;
this._callProgressListeners(null, "onLocationChange",
[webProgress, null, loc, 0], true,
false);
if (securityUI) {
this._callProgressListeners(null, "onSecurityChange",
[webProgress, null, securityUI.state], true, false);
}
var listener = this.mTabListeners[this.tabContainer.selectedIndex] || null;
if (listener && listener.mStateFlags) {
this._callProgressListeners(null, "onUpdateCurrentBrowser",
[listener.mStateFlags, listener.mStatus,
listener.mMessage, listener.mTotalProgress],
true, false);
}
if (!this._previewMode) {
this.mCurrentTab.removeAttribute("unread");
this.selectedTab.lastAccessed = Date.now();
let oldFindBar = oldTab._findBar;
if (oldFindBar &&
oldFindBar.findMode == oldFindBar.FIND_NORMAL &&
!oldFindBar.hidden)
this._lastFindValue = oldFindBar._findField.value;
this.updateTitlebar();
this.mCurrentTab.removeAttribute("titlechanged");
}
// If the new tab is busy, and our current state is not busy, then
// we need to fire a start to all progress listeners.
const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
if (this.mCurrentTab.hasAttribute("busy") && !this.mIsBusy) {
this.mIsBusy = true;
this._callProgressListeners(null, "onStateChange",
[webProgress, null,
nsIWebProgressListener.STATE_START |
nsIWebProgressListener.STATE_IS_NETWORK, 0],
true, false);
}
// If the new tab is not busy, and our current state is busy, then
// we need to fire a stop to all progress listeners.
if (!this.mCurrentTab.hasAttribute("busy") && this.mIsBusy) {
this.mIsBusy = false;
this._callProgressListeners(null, "onStateChange",
[webProgress, null,
nsIWebProgressListener.STATE_STOP |
nsIWebProgressListener.STATE_IS_NETWORK, 0],
true, false);
}
this._setCloseKeyState(!this.mCurrentTab.pinned);
// TabSelect events are suppressed during preview mode to avoid confusing extensions and other bits of code
// that might rely upon the other changes suppressed.
// Focus is suppressed in the event that the main browser window is minimized - focusing a tab would restore the window
if (!this._previewMode) {
// We've selected the new tab, so go ahead and notify listeners.
let event = document.createEvent("Events");
event.initEvent("TabSelect", true, false);
this.mCurrentTab.dispatchEvent(event);
this._tabAttrModified(oldTab);
this._tabAttrModified(this.mCurrentTab);
// Adjust focus
oldBrowser._urlbarFocused = (gURLBar && gURLBar.focused);
do {
// When focus is in the tab bar, retain it there.
if (document.activeElement == oldTab) {
// We need to explicitly focus the new tab, because
// tabbox.xml does this only in some cases.
this.mCurrentTab.focus();
break;
}
// If there's a tabmodal prompt showing, focus it.
if (newBrowser.hasAttribute("tabmodalPromptShowing")) {
let XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
let prompts = newBrowser.parentNode.getElementsByTagNameNS(XUL_NS, "tabmodalprompt");
let prompt = prompts[prompts.length - 1];
prompt.Dialog.setDefaultFocus();
break;
}
// Focus the location bar if it was previously focused for that tab.
// In full screen mode, only bother making the location bar visible
// if the tab is a blank one.
if (newBrowser._urlbarFocused && gURLBar) {
// Explicitly close the popup if the URL bar retains focus
gURLBar.closePopup();
if (!window.fullScreen) {
gURLBar.focus();
break;
} else if (isTabEmpty(this.mCurrentTab)) {
focusAndSelectUrlBar();
break;
}
}
// If the find bar is open, focus it.
if (gFindBarInitialized && !gFindBar.hidden) {
gFindBar._findField.focus();
break;
}
// Otherwise, focus the content area.
let fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
let focusFlags = fm.FLAG_NOSCROLL;
if (!gMultiProcessBrowser) {
let newFocusedElement = fm.getFocusedElementForWindow(window.content, true, {});
// for anchors, use FLAG_SHOWRING so that it is clear what link was
// last clicked when switching back to that tab
if (newFocusedElement &&
(newFocusedElement instanceof HTMLAnchorElement ||
newFocusedElement.getAttributeNS("http://www.w3.org/1999/xlink", "type") == "simple"))
focusFlags |= fm.FLAG_SHOWRING;
}
fm.setFocus(newBrowser, focusFlags);
} while (false);
}
this.tabContainer._setPositionalAttributes();
if (!aForceUpdate)
TelemetryStopwatch.finish("FX_TAB_SWITCH_UPDATE_MS");
]]>
</body>
</method>
<method name="_tabAttrModified">
<parameter name="aTab"/>
<body><![CDATA[
if (aTab.closing)
return;
// This event should be dispatched when any of these attributes change:
// label, crop, busy, image, selected
var event = document.createEvent("Events");
event.initEvent("TabAttrModified", true, false);
aTab.dispatchEvent(event);
]]></body>
</method>
<method name="setTabTitleLoading">
<parameter name="aTab"/>
<body>
<![CDATA[
aTab.label = this.mStringBundle.getString("tabs.connecting");
aTab.crop = "end";
this._tabAttrModified(aTab);
]]>
</body>
</method>
<method name="setTabTitle">
<parameter name="aTab"/>
<body>
<![CDATA[
var browser = this.getBrowserForTab(aTab);
var crop = "end";
var title = browser.contentTitle;
if (!title) {
if (browser.currentURI.spec) {
try {
title = this.mURIFixup.createExposableURI(browser.currentURI).spec;
} catch(ex) {
title = browser.currentURI.spec;
}
}
if (title && !isBlankPageURL(title)) {
// At this point, we now have a URI.
// Let's try to unescape it using a character set
// in case the URI is not ASCII.
try {
var characterSet = browser.characterSet;
const textToSubURI = Components.classes["@mozilla.org/intl/texttosuburi;1"]
.getService(Components.interfaces.nsITextToSubURI);
title = textToSubURI.unEscapeNonAsciiURI(characterSet, title);
} catch(ex) { /* Do nothing. */ }
crop = "center";
} else // Still no title? Fall back to our untitled string.
title = this.mStringBundle.getString("tabs.emptyTabTitle");
}
if (aTab.label == title &&
aTab.crop == crop)
return false;
aTab.label = title;
aTab.crop = crop;
this._tabAttrModified(aTab);
if (aTab.selected)
this.updateTitlebar();
return true;
]]>
</body>
</method>
<method name="loadOneTab">
<parameter name="aURI"/>
<parameter name="aReferrerURI"/>
<parameter name="aCharset"/>
<parameter name="aPostData"/>
<parameter name="aLoadInBackground"/>
<parameter name="aAllowThirdPartyFixup"/>
<body>
<![CDATA[
var aFromExternal;
var aRelatedToCurrent;
var aIsUTF8;
var aDisableMCB;
if (arguments.length == 2 &&
typeof arguments[1] == "object" &&
!(arguments[1] instanceof Ci.nsIURI)) {
let params = arguments[1];
aReferrerURI = params.referrerURI;
aCharset = params.charset;
aPostData = params.postData;
aLoadInBackground = params.inBackground;
aAllowThirdPartyFixup = params.allowThirdPartyFixup;
aFromExternal = params.fromExternal;
aRelatedToCurrent = params.relatedToCurrent;
aIsUTF8 = params.isUTF8;
aDisableMCB = params.disableMCB;
}
var bgLoad = (aLoadInBackground != null) ? aLoadInBackground :
Services.prefs.getBoolPref("browser.tabs.loadInBackground");
var owner = bgLoad ? null : this.selectedTab;
var tab = this.addTab(aURI, {
referrerURI: aReferrerURI,
charset: aCharset,
postData: aPostData,
ownerTab: owner,
allowThirdPartyFixup: aAllowThirdPartyFixup,
fromExternal: aFromExternal,
relatedToCurrent: aRelatedToCurrent,
isUTF8: aIsUTF8,
disableMCB: aDisableMCB});
if (!bgLoad)
this.selectedTab = tab;
return tab;
]]>
</body>
</method>
<method name="loadTabs">
<parameter name="aURIs"/>
<parameter name="aLoadInBackground"/>
<parameter name="aReplace"/>
<body><![CDATA[
if (!aURIs.length)
return;
// The tab selected after this new tab is closed (i.e. the new tab's
// "owner") is the next adjacent tab (i.e. not the previously viewed tab)
// when several urls are opened here (i.e. closing the first should select
// the next of many URLs opened) or if the pref to have UI links opened in
// the background is set (i.e. the link is not being opened modally)
//
// i.e.
// Number of URLs Load UI Links in BG Focus Last Viewed?
// == 1 false YES
// == 1 true NO
// > 1 false/true NO
var multiple = aURIs.length > 1;
var owner = multiple || aLoadInBackground ? null : this.selectedTab;
var firstTabAdded = null;
if (aReplace) {
try {
this.loadURI(aURIs[0], null, null);
} catch (e) {
// Ignore failure in case a URI is wrong, so we can continue
// opening the next ones.
}
}
else
firstTabAdded = this.addTab(aURIs[0], {ownerTab: owner, skipAnimation: multiple});
var tabNum = this.tabContainer.selectedIndex;
for (let i = 1; i < aURIs.length; ++i) {
let tab = this.addTab(aURIs[i], {skipAnimation: true});
if (aReplace)
this.moveTabTo(tab, ++tabNum);
}
if (!aLoadInBackground) {
if (firstTabAdded) {
// .selectedTab setter focuses the content area
this.selectedTab = firstTabAdded;
}
else
this.selectedBrowser.focus();
}
]]></body>
</method>
#ifdef MAKE_E10S_WORK
<method name="_updateBrowserRemoteness">
<parameter name="aBrowser"/>
<parameter name="aRemote"/>
<body>
<![CDATA[
let isRemote = aBrowser.getAttribute("remote") == "true";
if (isRemote == aRemote)
return false;
let wasActive = document.activeElement == aBrowser;
// Unhook our progress listener.
let tab = this._getTabForBrowser(aBrowser);
let index = tab._tPos;
let filter = this.mTabFilters[index];
aBrowser.webProgress.removeProgressListener(filter);
// Change the "remote" attribute.
let parent = aBrowser.parentNode;
parent.removeChild(aBrowser);
aBrowser.setAttribute("remote", aRemote ? "true" : "false");
parent.appendChild(aBrowser);
// Restore the progress listener.
aBrowser.webProgress.addProgressListener(filter, Ci.nsIWebProgress.NOTIFY_ALL);
if (aRemote)
tab.setAttribute("remote", "true");
else
tab.removeAttribute("remote");
if (wasActive)
aBrowser.focus();
return true;
]]>
</body>
</method>
<!--
Returns true if we want to load the content for this URL in a
remote process. Eventually this should just check whether aURL
is unprivileged. Right now, though, we would like to load
some unprivileged URLs (like about:neterror) in the main
process since they interact with chrome code through
BrowserOnClick.
-->
<method name="_shouldBrowserBeRemote">
<parameter name="aURL"/>
<body>
<![CDATA[
if (!gMultiProcessBrowser)
return false;
// loadURI in browser.xml treats null as about:blank
if (!aURL)
aURL = "about:blank";
if (aURL.startsWith("about:") &&
aURL.toLowerCase() != "about:home" &&
aURL.toLowerCase() != "about:blank") {
return false;
}
if (aURL.startsWith("chrome:"))
return false;
return true;
]]>
</body>
</method>
#endif
<method name="addTab">
<parameter name="aURI"/>
<parameter name="aReferrerURI"/>
<parameter name="aCharset"/>
<parameter name="aPostData"/>
<parameter name="aOwner"/>
<parameter name="aAllowThirdPartyFixup"/>
<body>
<![CDATA[
const NS_XUL = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var aFromExternal;
var aRelatedToCurrent;
var aSkipAnimation;
var aIsUTF8;
var aDisableMCB;
if (arguments.length == 2 &&
typeof arguments[1] == "object" &&
!(arguments[1] instanceof Ci.nsIURI)) {
let params = arguments[1];
aReferrerURI = params.referrerURI;
aCharset = params.charset;
aPostData = params.postData;
aOwner = params.ownerTab;
aAllowThirdPartyFixup = params.allowThirdPartyFixup;
aFromExternal = params.fromExternal;
aRelatedToCurrent = params.relatedToCurrent;
aSkipAnimation = params.skipAnimation;
aIsUTF8 = params.isUTF8;
aDisableMCB = params.disableMCB;
}
// if we're adding tabs, we're past interrupt mode, ditch the owner
if (this.mCurrentTab.owner)
this.mCurrentTab.owner = null;
var t = document.createElementNS(NS_XUL, "tab");
var uriIsAboutBlank = !aURI || aURI == "about:blank";
t.setAttribute("crop", "end");
t.setAttribute("onerror", "this.removeAttribute('image');");
t.className = "tabbrowser-tab";
#ifdef MAKE_E10S_WORK
let remote = this._shouldBrowserBeRemote(aURI);
#else
let remote = gMultiProcessBrowser;
#endif
if (remote)
t.setAttribute("remote", "true");
this.tabContainer._unlockTabSizing();
// When overflowing, new tabs are scrolled into view smoothly, which
// doesn't go well together with the width transition. So we skip the
// transition in that case.
let animate = !aSkipAnimation &&
this.tabContainer.getAttribute("overflow") != "true" &&
Services.prefs.getBoolPref("browser.tabs.animate");
if (!animate) {
t.setAttribute("fadein", "true");
setTimeout(function (tabContainer) {
tabContainer._handleNewTab(t);
}, 0, this.tabContainer);
}
// invalidate caches
this._browsers = null;
this._visibleTabs = null;
this.tabContainer.appendChild(t);
// If this new tab is owned by another, assert that relationship
if (aOwner)
t.owner = aOwner;
var b = document.createElementNS(
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"browser");
b.setAttribute("type", "content-targetable");
b.setAttribute("message", "true");
b.setAttribute("contextmenu", this.getAttribute("contentcontextmenu"));
b.setAttribute("tooltip", this.getAttribute("contenttooltip"));
if (remote)
b.setAttribute("remote", "true");
if (window.gShowPageResizers && window.windowState == window.STATE_NORMAL) {
b.setAttribute("showresizer", "true");
}
if (this.hasAttribute("autocompletepopup"))
b.setAttribute("autocompletepopup", this.getAttribute("autocompletepopup"));
if (this.hasAttribute("selectpopup"))
b.setAttribute("selectpopup", this.getAttribute("selectpopup"));
b.setAttribute("autoscrollpopup", this._autoScrollPopup.id);
// Create the browserStack container
var stack = document.createElementNS(NS_XUL, "stack");
stack.className = "browserStack";
stack.appendChild(b);
stack.setAttribute("flex", "1");
// Create the browserContainer
var browserContainer = document.createElementNS(NS_XUL, "vbox");
browserContainer.className = "browserContainer";
browserContainer.appendChild(stack);
browserContainer.setAttribute("flex", "1");
// Create the sidebar container
var browserSidebarContainer = document.createElementNS(NS_XUL,
"hbox");
browserSidebarContainer.className = "browserSidebarContainer";
browserSidebarContainer.appendChild(browserContainer);
browserSidebarContainer.setAttribute("flex", "1");
// Add the Message and the Browser to the box
var notificationbox = document.createElementNS(NS_XUL,
"notificationbox");
notificationbox.setAttribute("flex", "1");
notificationbox.appendChild(browserSidebarContainer);
var position = this.tabs.length - 1;
var uniqueId = this._generateUniquePanelID();
notificationbox.id = uniqueId;
t.linkedPanel = uniqueId;
t.linkedBrowser = b;
t._tPos = position;
this.tabContainer._setPositionalAttributes();
// Prevent the superfluous initial load of a blank document
// if we're going to load something other than about:blank.
if (!uriIsAboutBlank) {
b.setAttribute("nodefaultsrc", "true");
}
// NB: this appendChild call causes us to run constructors for the
// browser element, which fires off a bunch of notifications. Some
// of those notifications can cause code to run that inspects our
// state, so it is important that the tab element is fully
// initialized by this point.
this.mPanelContainer.appendChild(notificationbox);
// We've waited until the tab is in the DOM to set the label. This
// allows the TabLabelModified event to be properly dispatched.
if (!aURI || isBlankPageURL(aURI)) {
t.label = this.mStringBundle.getString("tabs.emptyTabTitle");
} else {
t.label = aURI;
}
this.tabContainer.updateVisibility();
// wire up a progress listener for the new browser object.
var tabListener = this.mTabProgressListener(t, b, uriIsAboutBlank);
const filter = Components.classes["@mozilla.org/appshell/component/browser-status-filter;1"]
.createInstance(Components.interfaces.nsIWebProgress);
filter.addProgressListener(tabListener, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
b.webProgress.addProgressListener(filter, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
this.mTabListeners[position] = tabListener;
this.mTabFilters[position] = filter;
b.droppedLinkHandler = handleDroppedLink;
// If we just created a new tab that loads the default
// newtab url, swap in a preloaded page if possible.
// Do nothing if we're a private window.
let docShellsSwapped = false;
if (aURI == BROWSER_NEW_TAB_URL &&
!PrivateBrowsingUtils.isWindowPrivate(window) &&
!gMultiProcessBrowser) {
docShellsSwapped = gBrowserNewTabPreloader.newTab(t);
}
// Dispatch a new tab notification. We do this once we're
// entirely done, so that things are in a consistent state
// even if the event listener opens or closes tabs.
var evt = document.createEvent("Events");
evt.initEvent("TabOpen", true, false);
t.dispatchEvent(evt);
// If we didn't swap docShells with a preloaded browser
// then let's just continue loading the page normally.
if (!docShellsSwapped && !uriIsAboutBlank) {
// pretend the user typed this so it'll be available till
// the document successfully loads
if (aURI && gInitialPages.indexOf(aURI) == -1)
b.userTypedValue = aURI;
let flags = Ci.nsIWebNavigation.LOAD_FLAGS_NONE;
if (aAllowThirdPartyFixup)
flags |= Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP;
if (aFromExternal)
flags |= Ci.nsIWebNavigation.LOAD_FLAGS_FROM_EXTERNAL;
if (aIsUTF8)
flags |= Ci.nsIWebNavigation.LOAD_FLAGS_URI_IS_UTF8;
if (aDisableMCB)
flags |= Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_MIXED_CONTENT;
try {
b.loadURIWithFlags(aURI, flags, aReferrerURI, aCharset, aPostData);
} catch (ex) {
Cu.reportError(ex);
}
}
// We start our browsers out as inactive, and then maintain
// activeness in the tab switcher.
b.docShellIsActive = false;
// Check if we're opening a tab related to the current tab and
// move it to after the current tab.
// aReferrerURI is null or undefined if the tab is opened from
// an external application or bookmark, i.e. somewhere other
// than the current tab.
if ((aRelatedToCurrent == null ? aReferrerURI : aRelatedToCurrent) &&
Services.prefs.getBoolPref("browser.tabs.insertRelatedAfterCurrent")) {
let newTabPos = (this._lastRelatedTab ||
this.selectedTab)._tPos + 1;
if (this._lastRelatedTab)
this._lastRelatedTab.owner = null;
else
t.owner = this.selectedTab;
this.moveTabTo(t, newTabPos);
this._lastRelatedTab = t;
}
if (animate) {
mozRequestAnimationFrame(function () {
this.tabContainer._handleTabTelemetryStart(t, aURI);
// kick the animation off
t.setAttribute("fadein", "true");
// This call to adjustTabstrip is redundant but needed so that
// when opening a second tab, the first tab's close buttons
// appears immediately rather than when the transition ends.
if (this.tabs.length - this._removingTabs.length == 2)
this.tabContainer.adjustTabstrip();
}.bind(this));
}
return t;
]]>
</body>
</method>
<method name="warnAboutClosingTabs">
<parameter name="aCloseTabs"/>
<parameter name="aTab"/>
<body>
<![CDATA[
var tabsToClose;
switch (aCloseTabs) {
case this.closingTabsEnum.ALL:
tabsToClose = this.tabs.length - this._removingTabs.length -
gBrowser._numPinnedTabs;
break;
case this.closingTabsEnum.OTHER:
tabsToClose = this.visibleTabs.length - 1 - gBrowser._numPinnedTabs;
break;
case this.closingTabsEnum.TO_END:
if (!aTab)
throw new Error("Required argument missing: aTab");
tabsToClose = this.getTabsToTheEndFrom(aTab).length;
break;
default:
throw new Error("Invalid argument: " + aCloseTabs);
}
let maxUndo =
Services.prefs.getIntPref("browser.sessionstore.max_tabs_undo");
let warnOnCloseOtherTabs =
Services.prefs.getBoolPref("browser.tabs.warnOnCloseOtherTabs");
let warnOnCloseWindow =
Services.prefs.getBoolPref("browser.tabs.warnOnClose");
let isWindowClosing = aCloseTabs == this.closingTabsEnum.ALL;
let skipWarning =
// 1) If there is only one tab to close, we'll never warn the user.
tabsToClose <= 1 ||
// 2) If the whole window is going to be closed, don't warn the
// user if the user has browser.tabs.warnOnClose set to false.
(isWindowClosing && !warnOnCloseWindow) ||
// 3) If the number of tabs are less than the undo threshold
// or if the user has specifically opted-in to ignoring
// this warning via the warnOnCloseOtherTabs pref.
(!isWindowClosing && (!warnOnCloseOtherTabs ||
tabsToClose <= maxUndo));
if (skipWarning)
return true;
var ps = Services.prompt;
// default to true: if it were false, we wouldn't get this far
var warnOnClose = { value: true };
var bundle = this.mStringBundle;
// focus the window before prompting.
// this will raise any minimized window, which will
// make it obvious which window the prompt is for and will
// solve the problem of windows "obscuring" the prompt.
// see bug #350299 for more details
window.focus();
var buttonPressed =
ps.confirmEx(window,
bundle.getString("tabs.closeWarningTitle"),
bundle.getFormattedString("tabs.closeWarningMultipleTabs",
[tabsToClose]),
(ps.BUTTON_TITLE_IS_STRING * ps.BUTTON_POS_0)
+ (ps.BUTTON_TITLE_CANCEL * ps.BUTTON_POS_1),
bundle.getString("tabs.closeButtonMultiple"),
null, null,
bundle.getString("tabs.closeWarningPromptMe"),
warnOnClose);
var reallyClose = (buttonPressed == 0);
// don't set the pref unless they press OK and it's false
if (reallyClose && !warnOnClose.value) {
let pref = isWindowClosing ? "browser.tabs.warnOnClose" :
"browser.tabs.warnOnCloseOtherTabs";
Services.prefs.setBoolPref(pref, false);
}
return reallyClose;
]]>
</body>
</method>
<method name="getTabsToTheEndFrom">
<parameter name="aTab"/>
<body>
<![CDATA[
var tabsToEnd = [];
let tabs = this.visibleTabs;
for (let i = tabs.length - 1; tabs[i] != aTab && i >= 0; --i) {
tabsToEnd.push(tabs[i]);
}
return tabsToEnd.reverse();
]]>
</body>
</method>
<method name="removeTabsToTheEndFrom">
<parameter name="aTab"/>
<body>
<![CDATA[
if (this.warnAboutClosingTabs(this.closingTabsEnum.TO_END, aTab)) {
let tabs = this.getTabsToTheEndFrom(aTab);
let numberOfTabsToClose = tabs.length;
for (let i = numberOfTabsToClose - 1; i >= 0; --i) {
this.removeTab(tabs[i], {animate: true});
}
SessionStore.setNumberOfTabsClosedLast(window, numberOfTabsToClose);
}
]]>
</body>
</method>
<method name="removeAllTabsBut">
<parameter name="aTab"/>
<body>
<![CDATA[
if (aTab.pinned)
return;
if (this.warnAboutClosingTabs(this.closingTabsEnum.OTHER)) {
let tabs = this.visibleTabs;
this.selectedTab = aTab;
let closedTabs = 0;
for (let i = tabs.length - 1; i >= 0; --i) {
if (tabs[i] != aTab && !tabs[i].pinned) {
this.removeTab(tabs[i], {animate: true});
closedTabs++;
}
}
SessionStore.setNumberOfTabsClosedLast(window, closedTabs);
}
]]>
</body>
</method>
<method name="removeCurrentTab">
<parameter name="aParams"/>
<body>
<![CDATA[
this.removeTab(this.mCurrentTab, aParams);
]]>
</body>
</method>
<field name="_removingTabs">
[]
</field>
<method name="removeTab">
<parameter name="aTab"/>
<parameter name="aParams"/>
<body>
<![CDATA[
if (aParams) {
var animate = aParams.animate;
var byMouse = aParams.byMouse;
}
SessionStore.setNumberOfTabsClosedLast(window, 1);
// Handle requests for synchronously removing an already
// asynchronously closing tab.
if (!animate &&
aTab.closing) {
this._endRemoveTab(aTab);
return;
}
var isLastTab = (this.tabs.length - this._removingTabs.length == 1);
if (!this._beginRemoveTab(aTab, false, null, true))
return;
if (!aTab.pinned && !aTab.hidden && aTab._fullyOpen && byMouse)
this.tabContainer._lockTabSizing(aTab);
else
this.tabContainer._unlockTabSizing();
if (!animate /* the caller didn't opt in */ ||
isLastTab ||
aTab.pinned ||
aTab.hidden ||
this._removingTabs.length > 3 /* don't want lots of concurrent animations */ ||
aTab.getAttribute("fadein") != "true" /* fade-in transition hasn't been triggered yet */ ||
window.getComputedStyle(aTab).maxWidth == "0.1px" /* fade-in transition hasn't moved yet */ ||
!Services.prefs.getBoolPref("browser.tabs.animate")) {
this._endRemoveTab(aTab);
return;
}
this.tabContainer._handleTabTelemetryStart(aTab);
this._blurTab(aTab);
aTab.style.maxWidth = ""; // ensure that fade-out transition happens
aTab.removeAttribute("fadein");
if (this.tabs.length - this._removingTabs.length == 1) {
// The second tab just got closed and we will end up with a single
// one. Remove the first tab's close button immediately (if needed)
// rather than after the tabclose animation ends.
this.tabContainer.adjustTabstrip();
}
setTimeout(function (tab, tabbrowser) {
if (tab.parentNode &&
window.getComputedStyle(tab).maxWidth == "0.1px") {
NS_ASSERT(false, "Giving up waiting for the tab closing animation to finish (bug 608589)");
tabbrowser._endRemoveTab(tab);
}
}, 3000, aTab, this);
]]>
</body>
</method>
<!-- Tab close requests are ignored if the window is closing anyway,
e.g. when holding Ctrl+W. -->
<field name="_windowIsClosing">
false
</field>
<method name="_beginRemoveTab">
<parameter name="aTab"/>
<parameter name="aTabWillBeMoved"/>
<parameter name="aCloseWindowWithLastTab"/>
<parameter name="aCloseWindowFastpath"/>
<body>
<![CDATA[
if (aTab.closing ||
aTab._pendingPermitUnload ||
this._windowIsClosing)
return false;
var browser = this.getBrowserForTab(aTab);
if (!aTabWillBeMoved) {
let ds = browser.docShell;
if (ds && ds.contentViewer) {
// We need to block while calling permitUnload() because it
// processes the event queue and may lead to another removeTab()
// call before permitUnload() even returned.
aTab._pendingPermitUnload = true;
let permitUnload = ds.contentViewer.permitUnload();
delete aTab._pendingPermitUnload;
if (!permitUnload)
return false;
}
}
var closeWindow = false;
var newTab = false;
if (this.tabs.length - this._removingTabs.length == 1) {
closeWindow = aCloseWindowWithLastTab != null ? aCloseWindowWithLastTab :
!window.toolbar.visible ||
this.tabContainer._closeWindowWithLastTab;
// Closing the tab and replacing it with a blank one is notably slower
// than closing the window right away. If the caller opts in, take
// the fast path.
if (closeWindow &&
aCloseWindowFastpath &&
this._removingTabs.length == 0 &&
(this._windowIsClosing = window.closeWindow(true, window.warnAboutClosingWindow)))
return null;
newTab = true;
}
aTab.closing = true;
this._removingTabs.push(aTab);
this._visibleTabs = null; // invalidate cache
// Invalidate hovered tab state tracking for this closing tab.
if (this.tabContainer._hoveredTab == aTab)
aTab._mouseleave();
if (newTab)
this.addTab(BROWSER_NEW_TAB_URL, {skipAnimation: true});
else
this.tabContainer.updateVisibility();
// We're committed to closing the tab now.
// Dispatch a notification.
// We dispatch it before any teardown so that event listeners can
// inspect the tab that's about to close.
var evt = document.createEvent("UIEvent");
evt.initUIEvent("TabClose", true, false, window, aTabWillBeMoved ? 1 : 0);
aTab.dispatchEvent(evt);
if (!gMultiProcessBrowser) {
// Prevent this tab from showing further dialogs, since we're closing it
var windowUtils = browser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIDOMWindowUtils);
windowUtils.disableDialogs();
}
// Remove the tab's filter and progress listener.
const filter = this.mTabFilters[aTab._tPos];
browser.webProgress.removeProgressListener(filter);
filter.removeProgressListener(this.mTabListeners[aTab._tPos]);
this.mTabListeners[aTab._tPos].destroy();
if (browser.registeredOpenURI && !aTabWillBeMoved) {
this._placesAutocomplete.unregisterOpenPage(browser.registeredOpenURI);
delete browser.registeredOpenURI;
}
// We are no longer the primary content area.
browser.setAttribute("type", "content-targetable");
// Remove this tab as the owner of any other tabs, since it's going away.
Array.forEach(this.tabs, function (tab) {
if ("owner" in tab && tab.owner == aTab)
// |tab| is a child of the tab we're removing, make it an orphan
tab.owner = null;
});
aTab._endRemoveArgs = [closeWindow, newTab];
return true;
]]>
</body>
</method>
<method name="_endRemoveTab">
<parameter name="aTab"/>
<body>
<![CDATA[
if (!aTab || !aTab._endRemoveArgs)
return;
var [aCloseWindow, aNewTab] = aTab._endRemoveArgs;
aTab._endRemoveArgs = null;
if (this._windowIsClosing) {
aCloseWindow = false;
aNewTab = false;
}
this._lastRelatedTab = null;
// update the UI early for responsiveness
aTab.collapsed = true;
this.tabContainer._fillTrailingGap();
this._blurTab(aTab);
this._removingTabs.splice(this._removingTabs.indexOf(aTab), 1);
if (aCloseWindow) {
this._windowIsClosing = true;
while (this._removingTabs.length)
this._endRemoveTab(this._removingTabs[0]);
} else if (!this._windowIsClosing) {
if (aNewTab)
focusAndSelectUrlBar();
// workaround for bug 345399
this.tabContainer.mTabstrip._updateScrollButtonsDisabledState();
}
// We're going to remove the tab and the browser now.
// Clean up mTabFilters and mTabListeners now rather than in
// _beginRemoveTab, so that their size is always in sync with the
// number of tabs and browsers (the xbl destructor depends on this).
this.mTabFilters.splice(aTab._tPos, 1);
this.mTabListeners.splice(aTab._tPos, 1);
var browser = this.getBrowserForTab(aTab);
// Because of the way XBL works (fields just set JS
// properties on the element) and the code we have in place
// to preserve the JS objects for any elements that have
// JS properties set on them, the browser element won't be
// destroyed until the document goes away. So we force a
// cleanup ourselves.
// This has to happen before we remove the child so that the
// XBL implementation of nsIObserver still works.
browser.destroy();
if (browser == this.mCurrentBrowser)
this.mCurrentBrowser = null;
var wasPinned = aTab.pinned;
// Invalidate browsers cache, as the tab is removed from the
// tab container.
this._browsers = null;
// Remove the tab ...
this.tabContainer.removeChild(aTab);
// ... and fix up the _tPos properties immediately.
for (let i = aTab._tPos; i < this.tabs.length; i++)
this.tabs[i]._tPos = i;
if (!this._windowIsClosing) {
if (wasPinned)
this.tabContainer._positionPinnedTabs();
// update tab close buttons state
this.tabContainer.adjustTabstrip();
setTimeout(function(tabs) {
tabs._lastTabClosedByMouse = false;
}, 0, this.tabContainer);
}
// update tab positional properties and attributes
this.selectedTab._selected = true;
this.tabContainer._setPositionalAttributes();
// Removing the panel requires fixing up selectedPanel immediately
// (see below), which would be hindered by the potentially expensive
// browser removal. So we remove the browser and the panel in two
// steps.
var panel = this.getNotificationBox(browser);
// This will unload the document. An unload handler could remove
// dependant tabs, so it's important that the tabbrowser is now in
// a consistent state (tab removed, tab positions updated, etc.).
browser.parentNode.removeChild(browser);
// Release the browser in case something is erroneously holding a
// reference to the tab after its removal.
aTab.linkedBrowser = null;
// As the browser is removed, the removal of a dependent document can
// cause the whole window to close. So at this point, it's possible
// that the binding is destructed.
if (this.mTabBox) {
let selectedPanel = this.mTabBox.selectedPanel;
this.mPanelContainer.removeChild(panel);
// Under the hood, a selectedIndex attribute controls which panel
// is displayed. Removing a panel A which precedes the selected
// panel B makes selectedIndex point to the panel next to B. We
// need to explicitly preserve B as the selected panel.
this.mTabBox.selectedPanel = selectedPanel;
}
if (aCloseWindow)
this._windowIsClosing = closeWindow(true, window.warnAboutClosingWindow);
]]>
</body>
</method>
<method name="_blurTab">
<parameter name="aTab"/>
<body>
<![CDATA[
if (!aTab.selected)
return;
if (aTab.owner &&
!aTab.owner.hidden &&
!aTab.owner.closing &&
Services.prefs.getBoolPref("browser.tabs.selectOwnerOnClose")) {
this.selectedTab = aTab.owner;
return;
}
// Switch to a visible tab unless there aren't any others remaining
let remainingTabs = this.visibleTabs;
let numTabs = remainingTabs.length;
if (numTabs == 0 || numTabs == 1 && remainingTabs[0] == aTab) {
remainingTabs = Array.filter(this.tabs, function(tab) {
return !tab.closing;
}, this);
}
// Try to find a remaining tab that comes after the given tab
var tab = aTab;
do {
tab = tab.nextSibling;
} while (tab && remainingTabs.indexOf(tab) == -1);
if (!tab) {
tab = aTab;
do {
tab = tab.previousSibling;
} while (tab && remainingTabs.indexOf(tab) == -1);
}
this.selectedTab = tab;
]]>
</body>
</method>
<method name="swapNewTabWithBrowser">
<parameter name="aNewTab"/>
<parameter name="aBrowser"/>
<body>
<![CDATA[
// The browser must be standalone.
if (aBrowser.getTabBrowser())
throw Cr.NS_ERROR_INVALID_ARG;
// The tab is definitely not loading.
aNewTab.removeAttribute("busy");
if (aNewTab.selected) {
this.mIsBusy = false;
}
this._swapBrowserDocShells(aNewTab, aBrowser);
// Update the new tab's title.
this.setTabTitle(aNewTab);
if (aNewTab.selected) {
this.updateCurrentBrowser(true);
}
]]>
</body>
</method>
<method name="swapBrowsersAndCloseOther">
<parameter name="aOurTab"/>
<parameter name="aOtherTab"/>
<body>
<![CDATA[
// Do not allow transfering a private tab to a non-private window
// and vice versa.
if (PrivateBrowsingUtils.isWindowPrivate(window) !=
PrivateBrowsingUtils.isWindowPrivate(aOtherTab.ownerDocument.defaultView))
return;
// That's gBrowser for the other window, not the tab's browser!
var remoteBrowser = aOtherTab.ownerDocument.defaultView.gBrowser;
var isPending = aOtherTab.hasAttribute("pending");
// First, start teardown of the other browser. Make sure to not
// fire the beforeunload event in the process. Close the other
// window if this was its last tab.
if (!remoteBrowser._beginRemoveTab(aOtherTab, true, true))
return;
let ourBrowser = this.getBrowserForTab(aOurTab);
let otherBrowser = aOtherTab.linkedBrowser;
// If the other tab is pending (i.e. has not been restored, yet)
// then do not switch docShells but retrieve the other tab's state
// and apply it to our tab.
if (isPending) {
SessionStore.setTabState(aOurTab, SessionStore.getTabState(aOtherTab));
// Make sure to unregister any open URIs.
this._swapRegisteredOpenURIs(ourBrowser, otherBrowser);
} else {
// Workarounds for bug 458697
// Icon might have been set on DOMLinkAdded, don't override that.
if (!ourBrowser.mIconURL && otherBrowser.mIconURL)
this.setIcon(aOurTab, otherBrowser.mIconURL);
var isBusy = aOtherTab.hasAttribute("busy");
if (isBusy) {
aOurTab.setAttribute("busy", "true");
this._tabAttrModified(aOurTab);
if (aOurTab.selected)
this.mIsBusy = true;
}
this._swapBrowserDocShells(aOurTab, otherBrowser);
}
// Handle findbar data (if any)
let otherFindBar = aOtherTab._findBar;
if (otherFindBar &&
otherFindBar.findMode == otherFindBar.FIND_NORMAL) {
let ourFindBar = this.getFindBar(aOurTab);
ourFindBar._findField.value = otherFindBar._findField.value;
if (!otherFindBar.hidden)
ourFindBar.onFindCommand();
}
// Finish tearing down the tab that's going away.
remoteBrowser._endRemoveTab(aOtherTab);
if (isBusy)
this.setTabTitleLoading(aOurTab);
else
this.setTabTitle(aOurTab);
// If the tab was already selected (this happpens in the scenario
// of replaceTabWithWindow), notify onLocationChange, etc.
if (aOurTab.selected)
this.updateCurrentBrowser(true);
]]>
</body>
</method>
<method name="_swapBrowserDocShells">
<parameter name="aOurTab"/>
<parameter name="aOtherBrowser"/>
<body>
<![CDATA[
// Unhook our progress listener
let index = aOurTab._tPos;
const filter = this.mTabFilters[index];
let tabListener = this.mTabListeners[index];
let ourBrowser = this.getBrowserForTab(aOurTab);
ourBrowser.webProgress.removeProgressListener(filter);
filter.removeProgressListener(tabListener);
// Make sure to unregister any open URIs.
this._swapRegisteredOpenURIs(ourBrowser, aOtherBrowser);
// Give others a chance to swap state.
let event = new CustomEvent("SwapDocShells", {"detail": aOtherBrowser});
ourBrowser.dispatchEvent(event);
// Swap the docshells
ourBrowser.swapDocShells(aOtherBrowser);
// Restore the progress listener
this.mTabListeners[index] = tabListener =
this.mTabProgressListener(aOurTab, ourBrowser, false);
const notifyAll = Ci.nsIWebProgress.NOTIFY_ALL;
filter.addProgressListener(tabListener, notifyAll);
ourBrowser.webProgress.addProgressListener(filter, notifyAll);
]]>
</body>
</method>
<method name="_swapRegisteredOpenURIs">
<parameter name="aOurBrowser"/>
<parameter name="aOtherBrowser"/>
<body>
<![CDATA[
// If the current URI is registered as open remove it from the list.
if (aOurBrowser.registeredOpenURI) {
this._placesAutocomplete.unregisterOpenPage(aOurBrowser.registeredOpenURI);
delete aOurBrowser.registeredOpenURI;
}
// If the other/new URI is registered as open then copy it over.
if (aOtherBrowser.registeredOpenURI) {
aOurBrowser.registeredOpenURI = aOtherBrowser.registeredOpenURI;
delete aOtherBrowser.registeredOpenURI;
}
]]>
</body>
</method>
<method name="reloadAllTabs">
<body>
<![CDATA[
let tabs = this.visibleTabs;
let l = tabs.length;
for (var i = 0; i < l; i++) {
try {
this.getBrowserForTab(tabs[i]).reload();
} catch (e) {
// ignore failure to reload so others will be reloaded
}
}
]]>
</body>
</method>
<method name="reloadTab">
<parameter name="aTab"/>
<body>
<![CDATA[
this.getBrowserForTab(aTab).reload();
]]>
</body>
</method>
<method name="addProgressListener">
<parameter name="aListener"/>
<body>
<![CDATA[
if (arguments.length != 1) {
Components.utils.reportError("gBrowser.addProgressListener was " +
"called with a second argument, " +
"which is not supported. See bug " +
"608628. Call stack: " + new Error().stack);
}
this.mProgressListeners.push(aListener);
]]>
</body>
</method>
<method name="removeProgressListener">
<parameter name="aListener"/>
<body>
<![CDATA[
this.mProgressListeners =
this.mProgressListeners.filter(function (l) l != aListener);
]]>
</body>
</method>
<method name="addTabsProgressListener">
<parameter name="aListener"/>
<body>
this.mTabsProgressListeners.push(aListener);
</body>
</method>
<method name="removeTabsProgressListener">
<parameter name="aListener"/>
<body>
<![CDATA[
this.mTabsProgressListeners =
this.mTabsProgressListeners.filter(function (l) l != aListener);
]]>
</body>
</method>
<method name="getBrowserForTab">
<parameter name="aTab"/>
<body>
<![CDATA[
return aTab.linkedBrowser;
]]>
</body>
</method>
<method name="showOnlyTheseTabs">
<parameter name="aTabs"/>
<body>
<![CDATA[
Array.forEach(this.tabs, function(tab) {
if (aTabs.indexOf(tab) == -1)
this.hideTab(tab);
else
this.showTab(tab);
}, this);
this.tabContainer._handleTabSelect(false);
]]>
</body>
</method>
<method name="showTab">
<parameter name="aTab"/>
<body>
<![CDATA[
if (aTab.hidden) {
aTab.removeAttribute("hidden");
this._visibleTabs = null; // invalidate cache
this.tabContainer.adjustTabstrip();
this.tabContainer._setPositionalAttributes();
let event = document.createEvent("Events");
event.initEvent("TabShow", true, false);
aTab.dispatchEvent(event);
}
]]>
</body>
</method>
<method name="hideTab">
<parameter name="aTab"/>
<body>
<![CDATA[
if (!aTab.hidden && !aTab.pinned && !aTab.selected &&
!aTab.closing) {
aTab.setAttribute("hidden", "true");
this._visibleTabs = null; // invalidate cache
this.tabContainer.adjustTabstrip();
this.tabContainer._setPositionalAttributes();
let event = document.createEvent("Events");
event.initEvent("TabHide", true, false);
aTab.dispatchEvent(event);
}
]]>
</body>
</method>
<method name="selectTabAtIndex">
<parameter name="aIndex"/>
<parameter name="aEvent"/>
<body>
<![CDATA[
let tabs = this.visibleTabs;
// count backwards for aIndex < 0
if (aIndex < 0)
aIndex += tabs.length;
if (aIndex >= 0 && aIndex < tabs.length)
this.selectedTab = tabs[aIndex];
if (aEvent) {
aEvent.preventDefault();
aEvent.stopPropagation();
}
]]>
</body>
</method>
<property name="selectedTab">
<getter>
return this.mCurrentTab;
</getter>
<setter>
<![CDATA[
// Update the tab
this.mTabBox.selectedTab = val;
return val;
]]>
</setter>
</property>
<property name="selectedBrowser"
onget="return this.mCurrentBrowser;"
readonly="true"/>
<property name="browsers" readonly="true">
<getter>
<![CDATA[
return this._browsers ||
(this._browsers = Array.map(this.tabs, function (tab) tab.linkedBrowser));
]]>
</getter>
</property>
<field name="_browsers">null</field>
<!-- Moves a tab to a new browser window, unless it's already the only tab
in the current window, in which case this will do nothing. -->
<method name="replaceTabWithWindow">
<parameter name="aTab"/>
<parameter name="aOptions"/>
<body>
<![CDATA[
if (this.tabs.length == 1)
return null;
var options = "chrome,dialog=no,all";
for (var name in aOptions)
options += "," + name + "=" + aOptions[name];
// tell a new window to take the "dropped" tab
return window.openDialog(getBrowserURL(), "_blank", options, aTab);
]]>
</body>
</method>
<method name="moveTabTo">
<parameter name="aTab"/>
<parameter name="aIndex"/>
<body>
<![CDATA[
var oldPosition = aTab._tPos;
if (oldPosition == aIndex)
return;
// Don't allow mixing pinned and unpinned tabs.
if (aTab.pinned)
aIndex = Math.min(aIndex, this._numPinnedTabs - 1);
else
aIndex = Math.max(aIndex, this._numPinnedTabs);
if (oldPosition == aIndex)
return;
this._lastRelatedTab = null;
this.mTabFilters.splice(aIndex, 0, this.mTabFilters.splice(aTab._tPos, 1)[0]);
this.mTabListeners.splice(aIndex, 0, this.mTabListeners.splice(aTab._tPos, 1)[0]);
let wasFocused = (document.activeElement == this.mCurrentTab);
aIndex = aIndex < aTab._tPos ? aIndex: aIndex+1;
this.mCurrentTab._selected = false;
// invalidate caches
this._browsers = null;
this._visibleTabs = null;
// use .item() instead of [] because dragging to the end of the strip goes out of
// bounds: .item() returns null (so it acts like appendChild), but [] throws
this.tabContainer.insertBefore(aTab, this.tabs.item(aIndex));
for (let i = 0; i < this.tabs.length; i++) {
this.tabs[i]._tPos = i;
this.tabs[i]._selected = false;
}
this.mCurrentTab._selected = true;
if (wasFocused)
this.mCurrentTab.focus();
this.tabContainer._handleTabSelect(false);
if (aTab.pinned)
this.tabContainer._positionPinnedTabs();
this.tabContainer._setPositionalAttributes();
var evt = document.createEvent("UIEvents");
evt.initUIEvent("TabMove", true, false, window, oldPosition);
aTab.dispatchEvent(evt);
]]>
</body>
</method>
<method name="moveTabForward">
<body>
<![CDATA[
let nextTab = this.mCurrentTab.nextSibling;
while (nextTab && nextTab.hidden)
nextTab = nextTab.nextSibling;
if (nextTab)
this.moveTabTo(this.mCurrentTab, nextTab._tPos);
else if (this.arrowKeysShouldWrap)
this.moveTabToStart();
]]>
</body>
</method>
<method name="moveTabBackward">
<body>
<![CDATA[
let previousTab = this.mCurrentTab.previousSibling;
while (previousTab && previousTab.hidden)
previousTab = previousTab.previousSibling;
if (previousTab)
this.moveTabTo(this.mCurrentTab, previousTab._tPos);
else if (this.arrowKeysShouldWrap)
this.moveTabToEnd();
]]>
</body>
</method>
<method name="moveTabToStart">
<body>
<![CDATA[
var tabPos = this.mCurrentTab._tPos;
if (tabPos > 0)
this.moveTabTo(this.mCurrentTab, 0);
]]>
</body>
</method>
<method name="moveTabToEnd">
<body>
<![CDATA[
var tabPos = this.mCurrentTab._tPos;
if (tabPos < this.browsers.length - 1)
this.moveTabTo(this.mCurrentTab, this.browsers.length - 1);
]]>
</body>
</method>
<method name="moveTabOver">
<parameter name="aEvent"/>
<body>
<![CDATA[
var direction = window.getComputedStyle(this.parentNode, null).direction;
if ((direction == "ltr" && aEvent.keyCode == KeyEvent.DOM_VK_RIGHT) ||
(direction == "rtl" && aEvent.keyCode == KeyEvent.DOM_VK_LEFT))
this.moveTabForward();
else
this.moveTabBackward();
]]>
</body>
</method>
<method name="duplicateTab">
<parameter name="aTab"/><!-- can be from a different window as well -->
<body>
<![CDATA[
return SessionStore.duplicateTab(window, aTab);
]]>
</body>
</method>
<!-- BEGIN FORWARDED BROWSER PROPERTIES. IF YOU ADD A PROPERTY TO THE BROWSER ELEMENT
MAKE SURE TO ADD IT HERE AS WELL. -->
<property name="canGoBack"
onget="return this.mCurrentBrowser.canGoBack;"
readonly="true"/>
<property name="canGoForward"
onget="return this.mCurrentBrowser.canGoForward;"
readonly="true"/>
<method name="goBack">
<body>
<![CDATA[
return this.mCurrentBrowser.goBack();
]]>
</body>
</method>
<method name="goForward">
<body>
<![CDATA[
return this.mCurrentBrowser.goForward();
]]>
</body>
</method>
<method name="reload">
<body>
<![CDATA[
return this.mCurrentBrowser.reload();
]]>
</body>
</method>
<method name="reloadWithFlags">
<parameter name="aFlags"/>
<body>
<![CDATA[
return this.mCurrentBrowser.reloadWithFlags(aFlags);
]]>
</body>
</method>
<method name="stop">
<body>
<![CDATA[
return this.mCurrentBrowser.stop();
]]>
</body>
</method>
<!-- throws exception for unknown schemes -->
<method name="loadURI">
<parameter name="aURI"/>
<parameter name="aReferrerURI"/>
<parameter name="aCharset"/>
<body>
<![CDATA[
#ifdef MAKE_E10S_WORK
this._updateBrowserRemoteness(this.mCurrentBrowser, this._shouldBrowserBeRemote(aURI));
try {
#endif
return this.mCurrentBrowser.loadURI(aURI, aReferrerURI, aCharset);
#ifdef MAKE_E10S_WORK
} catch (e) {
let url = this.mCurrentBrowser.currentURI.spec;
this._updateBrowserRemoteness(this.mCurrentBrowser, this._shouldBrowserBeRemote(url));
throw e;
}
#endif
]]>
</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[
#ifdef MAKE_E10S_WORK
this._updateBrowserRemoteness(this.mCurrentBrowser, this._shouldBrowserBeRemote(aURI));
try {
#endif
return this.mCurrentBrowser.loadURIWithFlags(aURI, aFlags, aReferrerURI, aCharset, aPostData);
#ifdef MAKE_E10S_WORK
} catch (e) {
let url = this.mCurrentBrowser.currentURI.spec;
this._updateBrowserRemoteness(this.mCurrentBrowser, this._shouldBrowserBeRemote(url));
throw e;
}
#endif
]]>
</body>
</method>
<method name="goHome">
<body>
<![CDATA[
return this.mCurrentBrowser.goHome();
]]>
</body>
</method>
<property name="homePage">
<getter>
<![CDATA[
return this.mCurrentBrowser.homePage;
]]>
</getter>
<setter>
<![CDATA[
this.mCurrentBrowser.homePage = val;
return val;
]]>
</setter>
</property>
<method name="gotoIndex">
<parameter name="aIndex"/>
<body>
<![CDATA[
return this.mCurrentBrowser.gotoIndex(aIndex);
]]>
</body>
</method>
<method name="attachFormFill">
<body><![CDATA[
for (var i = 0; i < this.mPanelContainer.childNodes.length; ++i) {
var cb = this.getBrowserAtIndex(i);
cb.attachFormFill();
}
]]></body>
</method>
<method name="detachFormFill">
<body><![CDATA[
for (var i = 0; i < this.mPanelContainer.childNodes.length; ++i) {
var cb = this.getBrowserAtIndex(i);
cb.detachFormFill();
}
]]></body>
</method>
<property name="pageReport"
onget="return this.mCurrentBrowser.pageReport;"
readonly="true"/>
<property name="currentURI"
onget="return this.mCurrentBrowser.currentURI;"
readonly="true"/>
<property name="finder"
onget="return this.mCurrentBrowser.finder"
readonly="true"/>
<property name="docShell"
onget="return this.mCurrentBrowser.docShell"
readonly="true"/>
<property name="webNavigation"
onget="return this.mCurrentBrowser.webNavigation"
readonly="true"/>
<property name="webBrowserFind"
readonly="true"
onget="return this.mCurrentBrowser.webBrowserFind"/>
<property name="webProgress"
readonly="true"
onget="return this.mCurrentBrowser.webProgress"/>
<property name="contentWindow"
readonly="true"
onget="return this.mCurrentBrowser.contentWindow"/>
<property name="sessionHistory"
onget="return this.mCurrentBrowser.sessionHistory;"
readonly="true"/>
<property name="markupDocumentViewer"
onget="return this.mCurrentBrowser.markupDocumentViewer;"
readonly="true"/>
<property name="contentViewerEdit"
onget="return this.mCurrentBrowser.contentViewerEdit;"
readonly="true"/>
<property name="contentViewerFile"
onget="return this.mCurrentBrowser.contentViewerFile;"
readonly="true"/>
<property name="contentDocument"
onget="return this.mCurrentBrowser.contentDocument;"
readonly="true"/>
<property name="contentTitle"
onget="return this.mCurrentBrowser.contentTitle;"
readonly="true"/>
<property name="contentPrincipal"
onget="return this.mCurrentBrowser.contentPrincipal;"
readonly="true"/>
<property name="securityUI"
onget="return this.mCurrentBrowser.securityUI;"
readonly="true"/>
<method name="_handleKeyEvent">
<parameter name="aEvent"/>
<body><![CDATA[
if (!aEvent.isTrusted) {
// Don't let untrusted events mess with tabs.
return;
}
if (aEvent.altKey)
return;
if (aEvent.ctrlKey && aEvent.shiftKey && !aEvent.metaKey) {
switch (aEvent.keyCode) {
case aEvent.DOM_VK_PAGE_UP:
this.moveTabBackward();
aEvent.stopPropagation();
aEvent.preventDefault();
return;
case aEvent.DOM_VK_PAGE_DOWN:
this.moveTabForward();
aEvent.stopPropagation();
aEvent.preventDefault();
return;
}
}
// We need to take care of FAYT-watching as long as the findbar
// isn't initialized. The checks on aEvent are copied from
// _shouldFastFind (see findbar.xml).
if (!gFindBarInitialized &&
!(aEvent.ctrlKey || aEvent.metaKey) &&
!aEvent.defaultPrevented) {
let charCode = aEvent.charCode;
if (charCode) {
let char = String.fromCharCode(charCode);
if (char == "'" || char == "/" ||
Services.prefs.getBoolPref("accessibility.typeaheadfind")) {
gFindBar._onBrowserKeypress(aEvent);
return;
}
}
}
#ifdef XP_MACOSX
if (!aEvent.metaKey)
return;
var offset = 1;
switch (aEvent.charCode) {
case '}'.charCodeAt(0):
offset = -1;
case '{'.charCodeAt(0):
if (window.getComputedStyle(this, null).direction == "ltr")
offset *= -1;
this.tabContainer.advanceSelectedTab(offset, true);
aEvent.stopPropagation();
aEvent.preventDefault();
}
#else
if (aEvent.ctrlKey && !aEvent.shiftKey && !aEvent.metaKey &&
aEvent.keyCode == KeyEvent.DOM_VK_F4 &&
!this.mCurrentTab.pinned) {
this.removeCurrentTab({animate: true});
aEvent.stopPropagation();
aEvent.preventDefault();
}
#endif
]]></body>
</method>
<property name="userTypedClear"
onget="return this.mCurrentBrowser.userTypedClear;"
onset="return this.mCurrentBrowser.userTypedClear = val;"/>
<property name="userTypedValue"
onget="return this.mCurrentBrowser.userTypedValue;"
onset="return this.mCurrentBrowser.userTypedValue = val;"/>
<method name="createTooltip">
<parameter name="event"/>
<body><![CDATA[
event.stopPropagation();
var tab = document.tooltipNode;
if (tab.localName != "tab") {
event.preventDefault();
return;
}
event.target.setAttribute("label", tab.mOverCloseButton ?
tab.getAttribute("closetabtext") :
tab.getAttribute("label"));
]]></body>
</method>
<method name="handleEvent">
<parameter name="aEvent"/>
<body><![CDATA[
switch (aEvent.type) {
case "keypress":
this._handleKeyEvent(aEvent);
break;
case "sizemodechange":
if (aEvent.target == window) {
this.mCurrentBrowser.docShellIsActive =
(window.windowState != window.STATE_MINIMIZED);
}
break;
}
]]></body>
</method>
<method name="receiveMessage">
<parameter name="aMessage"/>
<body><![CDATA[
let json = aMessage.json;
let browser = aMessage.target;
switch (aMessage.name) {
case "DOMTitleChanged":
let tab = this._getTabForBrowser(browser);
if (!tab)
return;
let titleChanged = this.setTabTitle(tab);
if (titleChanged && !tab.selected && !tab.hasAttribute("busy"))
tab.setAttribute("titlechanged", "true");
break;
case "contextmenu":
gContextMenuContentData = { event: aMessage.objects.event,
browser: browser };
let popup = browser.ownerDocument.getElementById("contentAreaContextMenu");
popup.openPopup(browser, "overlap",
gContextMenuContentData.event.clientX,
gContextMenuContentData.event.clientY,
true, false, null);
break;
}
]]></body>
</method>
<constructor>
<![CDATA[
let browserStack = document.getAnonymousElementByAttribute(this, "anonid", "browserStack");
this.mCurrentBrowser = document.getAnonymousElementByAttribute(this, "anonid", "initialBrowser");
this.mCurrentTab = this.tabContainer.firstChild;
document.addEventListener("keypress", this, false);
window.addEventListener("sizemodechange", this, false);
var uniqueId = this._generateUniquePanelID();
this.mPanelContainer.childNodes[0].id = uniqueId;
this.mCurrentTab.linkedPanel = uniqueId;
this.mCurrentTab._tPos = 0;
this.mCurrentTab._fullyOpen = true;
this.mCurrentTab.linkedBrowser = this.mCurrentBrowser;
// set up the shared autoscroll popup
this._autoScrollPopup = this.mCurrentBrowser._createAutoScrollPopup();
this._autoScrollPopup.id = "autoscroller";
this.appendChild(this._autoScrollPopup);
this.mCurrentBrowser.setAttribute("autoscrollpopup", this._autoScrollPopup.id);
this.mCurrentBrowser.droppedLinkHandler = handleDroppedLink;
this.updateWindowResizers();
// Hook up the event listeners to the first browser
var tabListener = this.mTabProgressListener(this.mCurrentTab, this.mCurrentBrowser, true);
const nsIWebProgress = Components.interfaces.nsIWebProgress;
const filter = Components.classes["@mozilla.org/appshell/component/browser-status-filter;1"]
.createInstance(nsIWebProgress);
filter.addProgressListener(tabListener, nsIWebProgress.NOTIFY_ALL);
this.mTabListeners[0] = tabListener;
this.mTabFilters[0] = filter;
try {
// We assume this can only fail because mCurrentBrowser's docShell
// hasn't been created, yet. This may be caused by code accessing
// gBrowser before the window has finished loading.
this._addProgressListenerForInitialTab();
} catch (e) {
// The binding was constructed too early, wait until the initial
// tab's document is ready, then add the progress listener.
this._waitForInitialContentDocument();
}
this.style.backgroundColor =
Services.prefs.getBoolPref("browser.display.use_system_colors") ?
"-moz-default-background-color" :
Services.prefs.getCharPref("browser.display.background_color");
if (Services.prefs.getBoolPref("browser.tabs.remote")) {
messageManager.addMessageListener("DOMTitleChanged", this);
messageManager.addMessageListener("contextmenu", this);
}
]]>
</constructor>
<method name="_generateUniquePanelID">
<body><![CDATA[
if (!this._uniquePanelIDCounter) {
this._uniquePanelIDCounter = 0;
}
let outerID = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils)
.outerWindowID;
// We want panel IDs to be globally unique, that's why we include the
// window ID. We switched to a monotonic counter as Date.now() lead
// to random failures because of colliding IDs.
return "panel-" + outerID + "-" + (++this._uniquePanelIDCounter);
]]></body>
</method>
<method name="_addProgressListenerForInitialTab">
<body><![CDATA[
this.webProgress.addProgressListener(this.mTabFilters[0], Ci.nsIWebProgress.NOTIFY_ALL);
]]></body>
</method>
<method name="_waitForInitialContentDocument">
<body><![CDATA[
let obs = (subject, topic) => {
if (this.browsers[0].contentWindow == subject) {
Services.obs.removeObserver(obs, topic);
this._addProgressListenerForInitialTab();
}
};
// We use content-document-global-created as an approximation for
// "docShell is initialized". We can do this because in the
// mTabProgressListener we care most about the STATE_STOP notification
// that will reset mBlank. That means it's important to at least add
// the progress listener before the initial about:blank load stops
// if we can't do it before the load starts.
Services.obs.addObserver(obs, "content-document-global-created", false);
]]></body>
</method>
<destructor>
<![CDATA[
for (var i = 0; i < this.mTabListeners.length; ++i) {
let browser = this.getBrowserAtIndex(i);
if (browser.registeredOpenURI) {
this._placesAutocomplete.unregisterOpenPage(browser.registeredOpenURI);
delete browser.registeredOpenURI;
}
browser.webProgress.removeProgressListener(this.mTabFilters[i]);
this.mTabFilters[i].removeProgressListener(this.mTabListeners[i]);
this.mTabFilters[i] = null;
this.mTabListeners[i].destroy();
this.mTabListeners[i] = null;
}
document.removeEventListener("keypress", this, false);
window.removeEventListener("sizemodechange", this, false);
if (Services.prefs.getBoolPref("browser.tabs.remote")) {
messageManager.removeMessageListener("DOMTitleChanged", this);
messageManager.removeMessageListener("contextmenu", this);
}
]]>
</destructor>
<!-- Deprecated stuff, implemented for backwards compatibility. -->
<method name="enterTabbedMode">
<body>
Application.console.log("enterTabbedMode is an obsolete method and " +
"will be removed in a future release.");
</body>
</method>
<field name="mTabbedMode" readonly="true">true</field>
<method name="setStripVisibilityTo">
<parameter name="aShow"/>
<body>
this.tabContainer.visible = aShow;
</body>
</method>
<method name="getStripVisibility">
<body>
return this.tabContainer.visible;
</body>
</method>
<property name="mContextTab" readonly="true"
onget="return TabContextMenu.contextTab;"/>
<property name="mPrefs" readonly="true"
onget="return Services.prefs;"/>
<property name="mTabContainer" readonly="true"
onget="return this.tabContainer;"/>
<property name="mTabs" readonly="true"
onget="return this.tabs;"/>
<!--
- Compatibility hack: several extensions depend on this property to
- access the tab context menu or tab container, so keep that working for
- now. Ideally we can remove this once extensions are using
- tabbrowser.tabContextMenu and tabbrowser.tabContainer directly.
-->
<property name="mStrip" readonly="true">
<getter>
<![CDATA[
return ({
self: this,
childNodes: [null, this.tabContextMenu, this.tabContainer],
firstChild: { nextSibling: this.tabContextMenu },
getElementsByAttribute: function (attr, attrValue) {
if (attr == "anonid" && attrValue == "tabContextMenu")
return [this.self.tabContextMenu];
return [];
},
// Also support adding event listeners (forward to the tab container)
addEventListener: function (a,b,c) { this.self.tabContainer.addEventListener(a,b,c); },
removeEventListener: function (a,b,c) { this.self.tabContainer.removeEventListener(a,b,c); }
});
]]>
</getter>
</property>
</implementation>
<handlers>
<handler event="DOMWindowClose" phase="capturing">
<![CDATA[
if (!event.isTrusted)
return;
if (this.tabs.length == 1)
return;
var tab = this._getTabForContentWindow(event.target);
if (tab) {
this.removeTab(tab);
event.preventDefault();
}
]]>
</handler>
<handler event="DOMWillOpenModalDialog" phase="capturing">
<![CDATA[
if (!event.isTrusted)
return;
// We're about to open a modal dialog, make sure the opening
// tab is brought to the front.
this.selectedTab = this._getTabForContentWindow(event.target.top);
]]>
</handler>
<handler event="DOMTitleChanged">
<![CDATA[
if (!event.isTrusted)
return;
var contentWin = event.target.defaultView;
if (contentWin != contentWin.top)
return;
var tab = this._getTabForContentWindow(contentWin);
var titleChanged = this.setTabTitle(tab);
if (titleChanged && !tab.selected && !tab.hasAttribute("busy"))
tab.setAttribute("titlechanged", "true");
]]>
</handler>
<handler event="oop-browser-crashed">
<![CDATA[
if (!event.isTrusted)
return;
let browser = event.originalTarget;
let title = browser.contentTitle;
let uri = browser.currentURI;
let icon = browser.mIconURL;
this._updateBrowserRemoteness(browser, false);
browser.setAttribute("crashedPageTitle", title);
browser.docShell.displayLoadError(Cr.NS_ERROR_CONTENT_CRASHED, uri, null);
browser.removeAttribute("crashedPageTitle");
let tab = this._getTabForBrowser(browser);
this.setIcon(tab, icon);
]]>
</handler>
</handlers>
</binding>
<binding id="tabbrowser-tabbox"
extends="chrome://global/content/bindings/tabbox.xml#tabbox">
<implementation>
<property name="tabs" readonly="true"
onget="return document.getBindingParent(this).tabContainer;"/>
</implementation>
</binding>
<binding id="tabbrowser-arrowscrollbox" extends="chrome://global/content/bindings/scrollbox.xml#arrowscrollbox-clicktoscroll">
<implementation>
<!-- Override scrollbox.xml method, since our scrollbox's children are
inherited from the binding parent -->
<method name="_getScrollableElements">
<body><![CDATA[
return Array.filter(document.getBindingParent(this).childNodes,
this._canScrollToElement, this);
]]></body>
</method>
<method name="_canScrollToElement">
<parameter name="tab"/>
<body><![CDATA[
return !tab.pinned && !tab.hidden;
]]></body>
</method>
<field name="_tabMarginLeft">null</field>
<field name="_tabMarginRight">null</field>
<method name="_adjustElementStartAndEnd">
<parameter name="aTab"/>
<parameter name="tabStart"/>
<parameter name="tabEnd"/>
<body><![CDATA[
if (this._tabMarginLeft === null || this._tabMarginRight === null) {
let tabMiddle = document.getAnonymousElementByAttribute(aTab, "class", "tab-background-middle");
let tabMiddleStyle = window.getComputedStyle(tabMiddle, null);
this._tabMarginLeft = parseFloat(tabMiddleStyle.marginLeft);
this._tabMarginRight = parseFloat(tabMiddleStyle.marginRight);
}
if (this._tabMarginLeft < 0) {
tabStart = tabStart + this._tabMarginLeft;
}
if (this._tabMarginRight < 0) {
tabEnd = tabEnd - this._tabMarginRight;
}
return [tabStart, tabEnd];
]]></body>
</method>
</implementation>
<handlers>
<handler event="underflow" phase="capturing"><![CDATA[
if (event.detail == 0)
return; // Ignore vertical events
var tabs = document.getBindingParent(this);
tabs.removeAttribute("overflow");
if (tabs._lastTabClosedByMouse)
tabs._expandSpacerBy(this._scrollButtonDown.clientWidth);
tabs.tabbrowser._removingTabs.forEach(tabs.tabbrowser.removeTab,
tabs.tabbrowser);
tabs._positionPinnedTabs();
]]></handler>
<handler event="overflow"><![CDATA[
if (event.detail == 0)
return; // Ignore vertical events
var tabs = document.getBindingParent(this);
var numberOfTabs = tabs.tabbrowser.visibleTabs.length;
if (numberOfTabs == 1)
return;
tabs.setAttribute("overflow", "true");
tabs._positionPinnedTabs();
tabs._handleTabSelect(false);
]]></handler>
</handlers>
</binding>
<binding id="tabbrowser-tabs"
extends="chrome://global/content/bindings/tabbox.xml#tabs">
<resources>
<stylesheet src="chrome://browser/content/tabbrowser.css"/>
</resources>
<content>
<xul:hbox align="end">
<xul:image class="tab-drop-indicator" anonid="tab-drop-indicator" collapsed="true"/>
</xul:hbox>
<xul:arrowscrollbox anonid="arrowscrollbox" orient="horizontal" flex="1"
style="min-width: 1px;"
#ifndef XP_MACOSX
clicktoscroll="true"
#endif
class="tabbrowser-arrowscrollbox">
# This is a hack to circumvent bug 472020, otherwise the tabs show up on the
# right of the newtab button.
<children includes="tab"/>
# This is to ensure anything extensions put here will go before the newtab
# button, necessary due to the previous hack.
<children/>
<xul:toolbarbutton class="tabs-newtab-button"
command="cmd_newNavigatorTab"
onclick="checkForMiddleClick(this, event);"
onmouseover="document.getBindingParent(this)._enterNewTab();"
onmouseout="document.getBindingParent(this)._leaveNewTab();"
tooltiptext="&newTabButton.tooltip;"/>
<xul:spacer class="closing-tabs-spacer" anonid="closing-tabs-spacer"
style="width: 0;"/>
</xul:arrowscrollbox>
</content>
<implementation implements="nsIDOMEventListener">
<constructor>
<![CDATA[
this.mTabClipWidth = Services.prefs.getIntPref("browser.tabs.tabClipWidth");
this.mCloseButtons = Services.prefs.getIntPref("browser.tabs.closeButtons");
this._closeWindowWithLastTab = Services.prefs.getBoolPref("browser.tabs.closeWindowWithLastTab");
var tab = this.firstChild;
tab.label = this.tabbrowser.mStringBundle.getString("tabs.emptyTabTitle");
tab.setAttribute("crop", "end");
tab.setAttribute("onerror", "this.removeAttribute('image');");
this.adjustTabstrip();
Services.prefs.addObserver("browser.tabs.", this._prefObserver, false);
window.addEventListener("resize", this, false);
window.addEventListener("load", this, false);
try {
this._tabAnimationLoggingEnabled = Services.prefs.getBoolPref("browser.tabs.animationLogging.enabled");
} catch (ex) {
this._tabAnimationLoggingEnabled = false;
}
this._browserNewtabpageEnabled = Services.prefs.getBoolPref("browser.newtabpage.enabled");
]]>
</constructor>
<destructor>
<![CDATA[
Services.prefs.removeObserver("browser.tabs.", this._prefObserver);
]]>
</destructor>
<field name="tabbrowser" readonly="true">
document.getElementById(this.getAttribute("tabbrowser"));
</field>
<field name="tabbox" readonly="true">
this.tabbrowser.mTabBox;
</field>
<field name="contextMenu" readonly="true">
document.getElementById("tabContextMenu");
</field>
<field name="mTabstripWidth">0</field>
<field name="mTabstrip">
document.getAnonymousElementByAttribute(this, "anonid", "arrowscrollbox");
</field>
<field name="_firstTab">null</field>
<field name="_lastTab">null</field>
<field name="_afterSelectedTab">null</field>
<field name="_beforeHoveredTab">null</field>
<field name="_afterHoveredTab">null</field>
<field name="_hoveredTab">null</field>
<property name="_isCustomizing" readonly="true">
<getter>
let root = document.documentElement;
return root.getAttribute("customizing") == "true" ||
root.getAttribute("customize-exiting") == "true";
</getter>
</property>
<method name="_setPositionalAttributes">
<body><![CDATA[
let visibleTabs = this.tabbrowser.visibleTabs;
if (!visibleTabs.length)
return;
let selectedIndex = visibleTabs.indexOf(this.selectedItem);
let lastVisible = visibleTabs.length - 1;
if (this._afterSelectedTab)
this._afterSelectedTab.removeAttribute("afterselected-visible");
if (this.selectedItem.closing || selectedIndex == lastVisible) {
this._afterSelectedTab = null;
} else {
this._afterSelectedTab = visibleTabs[selectedIndex + 1];
this._afterSelectedTab.setAttribute("afterselected-visible",
"true");
}
if (this._firstTab)
this._firstTab.removeAttribute("first-visible-tab");
this._firstTab = visibleTabs[0];
this._firstTab.setAttribute("first-visible-tab", "true");
if (this._lastTab)
this._lastTab.removeAttribute("last-visible-tab");
this._lastTab = visibleTabs[lastVisible];
this._lastTab.setAttribute("last-visible-tab", "true");
let hoveredTab = this._hoveredTab;
if (hoveredTab) {
hoveredTab._mouseleave();
hoveredTab._mouseenter();
}
]]></body>
</method>
<field name="_prefObserver"><![CDATA[({
tabContainer: this,
observe: function (subject, topic, data) {
switch (data) {
case "browser.tabs.closeButtons":
this.tabContainer.mCloseButtons = Services.prefs.getIntPref(data);
this.tabContainer.adjustTabstrip();
break;
case "browser.tabs.closeWindowWithLastTab":
this.tabContainer._closeWindowWithLastTab = Services.prefs.getBoolPref(data);
this.tabContainer.adjustTabstrip();
break;
}
}
});]]></field>
<field name="_blockDblClick">false</field>
<field name="_tabDropIndicator">
document.getAnonymousElementByAttribute(this, "anonid", "tab-drop-indicator");
</field>
<field name="_dragOverDelay">350</field>
<field name="_dragTime">0</field>
<field name="_container" readonly="true"><![CDATA[
this.parentNode && this.parentNode.localName == "toolbar" ? this.parentNode : this;
]]></field>
<field name="_propagatedVisibilityOnce">false</field>
<property name="visible"
onget="return !this._container.collapsed;">
<setter><![CDATA[
if (val == this.visible &&
this._propagatedVisibilityOnce)
return val;
this._container.collapsed = !val;
this._propagateVisibility();
this._propagatedVisibilityOnce = true;
return val;
]]></setter>
</property>
<method name="_enterNewTab">
<body><![CDATA[
let visibleTabs = this.tabbrowser.visibleTabs;
let candidate = visibleTabs[visibleTabs.length - 1];
if (!candidate.selected) {
this._beforeHoveredTab = candidate;
candidate.setAttribute("beforehovered", "true");
}
]]></body>
</method>
<method name="_leaveNewTab">
<body><![CDATA[
if (this._beforeHoveredTab) {
this._beforeHoveredTab.removeAttribute("beforehovered");
this._beforeHoveredTab = null;
}
]]></body>
</method>
<method name="_propagateVisibility">
<body><![CDATA[
let visible = this.visible;
document.getElementById("menu_closeWindow").hidden = !visible;
document.getElementById("menu_close").setAttribute("label",
this.tabbrowser.mStringBundle.getString(visible ? "tabs.closeTab" : "tabs.close"));
TabsInTitlebar.allowedBy("tabs-visible", visible);
]]></body>
</method>
<method name="updateVisibility">
<body><![CDATA[
if (this.childNodes.length - this.tabbrowser._removingTabs.length == 1)
this.visible = window.toolbar.visible;
else
this.visible = true;
]]></body>
</method>
<method name="adjustTabstrip">
<body><![CDATA[
let numTabs = this.childNodes.length -
this.tabbrowser._removingTabs.length;
// modes for tabstrip
// 0 - button on active tab only
// 1 - close buttons on all tabs
// 2 - no close buttons at all
// 3 - close button at the end of the tabstrip
switch (this.mCloseButtons) {
case 0:
if (numTabs == 1 && this._closeWindowWithLastTab)
this.setAttribute("closebuttons", "hidden");
else
this.setAttribute("closebuttons", "activetab");
break;
case 1:
if (numTabs == 1) {
if (this._closeWindowWithLastTab)
this.setAttribute("closebuttons", "hidden");
else
this.setAttribute("closebuttons", "alltabs");
} else if (numTabs == 2) {
// This is an optimization to avoid layout flushes by calling
// getBoundingClientRect() when we just opened a second tab. In
// this case it's highly unlikely that the tab width is smaller
// than mTabClipWidth and the tab close button obscures too much
// of the tab's label. In the edge case of the window being too
// narrow (or if tabClipWidth has been set to a way higher value),
// we'll correct the 'closebuttons' attribute after the tabopen
// animation has finished.
this.setAttribute("closebuttons", "alltabs");
} else {
let tab = this.tabbrowser.visibleTabs[this.tabbrowser._numPinnedTabs];
if (tab && tab.getBoundingClientRect().width > this.mTabClipWidth)
this.setAttribute("closebuttons", "alltabs");
else
this.setAttribute("closebuttons", "activetab");
}
break;
case 2:
case 3:
this.setAttribute("closebuttons", "never");
break;
}
var tabstripClosebutton = document.getElementById("tabs-closebutton");
if (tabstripClosebutton && tabstripClosebutton.parentNode == this._container)
tabstripClosebutton.collapsed = this.mCloseButtons != 3;
]]></body>
</method>
<method name="_handleTabSelect">
<parameter name="aSmoothScroll"/>
<body><![CDATA[
if (this.getAttribute("overflow") == "true")
this.mTabstrip.ensureElementIsVisible(this.selectedItem, aSmoothScroll);
]]></body>
</method>
<method name="_fillTrailingGap">
<body><![CDATA[
try {
// if we're at the right side (and not the logical end,
// which is why this works for both LTR and RTL)
// of the tabstrip, we need to ensure that we stay
// completely scrolled to the right side
var tabStrip = this.mTabstrip;
if (tabStrip.scrollPosition + tabStrip.scrollClientSize >
tabStrip.scrollSize)
tabStrip.scrollByPixels(-1);
} catch (e) {}
]]></body>
</method>
<field name="_closingTabsSpacer">
document.getAnonymousElementByAttribute(this, "anonid", "closing-tabs-spacer");
</field>
<field name="_tabDefaultMaxWidth">NaN</field>
<field name="_lastTabClosedByMouse">false</field>
<field name="_hasTabTempMaxWidth">false</field>
<!-- Try to keep the active tab's close button under the mouse cursor -->
<method name="_lockTabSizing">
<parameter name="aTab"/>
<body><![CDATA[
var tabs = this.tabbrowser.visibleTabs;
if (!tabs.length)
return;
var isEndTab = (aTab._tPos > tabs[tabs.length-1]._tPos);
var tabWidth = aTab.getBoundingClientRect().width;
if (!this._tabDefaultMaxWidth)
this._tabDefaultMaxWidth =
parseFloat(window.getComputedStyle(aTab).maxWidth);
this._lastTabClosedByMouse = true;
if (this.getAttribute("overflow") == "true") {
// Don't need to do anything if we're in overflow mode and aren't scrolled
// all the way to the right, or if we're closing the last tab.
if (isEndTab || !this.mTabstrip._scrollButtonDown.disabled)
return;
// If the tab has an owner that will become the active tab, the owner will
// be to the left of it, so we actually want the left tab to slide over.
// This can't be done as easily in non-overflow mode, so we don't bother.
if (aTab.owner)
return;
this._expandSpacerBy(tabWidth);
} else { // non-overflow mode
// Locking is neither in effect nor needed, so let tabs expand normally.
if (isEndTab && !this._hasTabTempMaxWidth)
return;
let numPinned = this.tabbrowser._numPinnedTabs;
// Force tabs to stay the same width, unless we're closing the last tab,
// which case we need to let them expand just enough so that the overall
// tabbar width is the same.
if (isEndTab) {
let numNormalTabs = tabs.length - numPinned;
tabWidth = tabWidth * (numNormalTabs + 1) / numNormalTabs;
if (tabWidth > this._tabDefaultMaxWidth)
tabWidth = this._tabDefaultMaxWidth;
}
tabWidth += "px";
for (let i = numPinned; i < tabs.length; i++) {
let tab = tabs[i];
tab.style.setProperty("max-width", tabWidth, "important");
if (!isEndTab) { // keep tabs the same width
tab.style.transition = "none";
tab.clientTop; // flush styles to skip animation; see bug 649247
tab.style.transition = "";
}
}
this._hasTabTempMaxWidth = true;
this.tabbrowser.addEventListener("mousemove", this, false);
window.addEventListener("mouseout", this, false);
}
]]></body>
</method>
<method name="_expandSpacerBy">
<parameter name="pixels"/>
<body><![CDATA[
let spacer = this._closingTabsSpacer;
spacer.style.width = parseFloat(spacer.style.width) + pixels + "px";
this.setAttribute("using-closing-tabs-spacer", "true");
this.tabbrowser.addEventListener("mousemove", this, false);
window.addEventListener("mouseout", this, false);
]]></body>
</method>
<method name="_unlockTabSizing">
<body><![CDATA[
this.tabbrowser.removeEventListener("mousemove", this, false);
window.removeEventListener("mouseout", this, false);
if (this._hasTabTempMaxWidth) {
this._hasTabTempMaxWidth = false;
let tabs = this.tabbrowser.visibleTabs;
for (let i = 0; i < tabs.length; i++)
tabs[i].style.maxWidth = "";
}
if (this.hasAttribute("using-closing-tabs-spacer")) {
this.removeAttribute("using-closing-tabs-spacer");
this._closingTabsSpacer.style.width = 0;
}
]]></body>
</method>
<field name="_lastNumPinned">0</field>
<method name="_positionPinnedTabs">
<body><![CDATA[
var numPinned = this.tabbrowser._numPinnedTabs;
var doPosition = this.getAttribute("overflow") == "true" &&
numPinned > 0;
if (doPosition) {
this.setAttribute("positionpinnedtabs", "true");
let scrollButtonWidth = this.mTabstrip._scrollButtonDown.getBoundingClientRect().width;
let paddingStart = this.mTabstrip.scrollboxPaddingStart;
let width = 0;
for (let i = numPinned - 1; i >= 0; i--) {
let tab = this.childNodes[i];
width += tab.getBoundingClientRect().width;
tab.style.MozMarginStart = - (width + scrollButtonWidth + paddingStart) + "px";
}
this.style.MozPaddingStart = width + paddingStart + "px";
} else {
this.removeAttribute("positionpinnedtabs");
for (let i = 0; i < numPinned; i++) {
let tab = this.childNodes[i];
tab.style.MozMarginStart = "";
}
this.style.MozPaddingStart = "";
}
if (this._lastNumPinned != numPinned) {
this._lastNumPinned = numPinned;
this._handleTabSelect(false);
}
]]></body>
</method>
<method name="_animateTabMove">
<parameter name="event"/>
<body><![CDATA[
let draggedTab = event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
if (this.getAttribute("movingtab") != "true") {
this.setAttribute("movingtab", "true");
this.selectedItem = draggedTab;
}
if (!("animLastScreenX" in draggedTab._dragData))
draggedTab._dragData.animLastScreenX = draggedTab._dragData.screenX;
let screenX = event.screenX;
if (screenX == draggedTab._dragData.animLastScreenX)
return;
let draggingRight = screenX > draggedTab._dragData.animLastScreenX;
draggedTab._dragData.animLastScreenX = screenX;
let rtl = (window.getComputedStyle(this).direction == "rtl");
let pinned = draggedTab.pinned;
let numPinned = this.tabbrowser._numPinnedTabs;
let tabs = this.tabbrowser.visibleTabs
.slice(pinned ? 0 : numPinned,
pinned ? numPinned : undefined);
if (rtl)
tabs.reverse();
let tabWidth = draggedTab.getBoundingClientRect().width;
// Move the dragged tab based on the mouse position.
let leftTab = tabs[0];
let rightTab = tabs[tabs.length - 1];
let tabScreenX = draggedTab.boxObject.screenX;
let translateX = screenX - draggedTab._dragData.screenX;
if (!pinned)
translateX += this.mTabstrip.scrollPosition - draggedTab._dragData.scrollX;
let leftBound = leftTab.boxObject.screenX - tabScreenX;
let rightBound = (rightTab.boxObject.screenX + rightTab.boxObject.width) -
(tabScreenX + tabWidth);
translateX = Math.max(translateX, leftBound);
translateX = Math.min(translateX, rightBound);
draggedTab.style.transform = "translateX(" + translateX + "px)";
// Determine what tab we're dragging over.
// * Point of reference is the center of the dragged tab. If that
// point touches a background tab, the dragged tab would take that
// tab's position when dropped.
// * We're doing a binary search in order to reduce the amount of
// tabs we need to check.
let tabCenter = tabScreenX + translateX + tabWidth / 2;
let newIndex = -1;
let oldIndex = "animDropIndex" in draggedTab._dragData ?
draggedTab._dragData.animDropIndex : draggedTab._tPos;
let low = 0;
let high = tabs.length - 1;
while (low <= high) {
let mid = Math.floor((low + high) / 2);
if (tabs[mid] == draggedTab &&
++mid > high)
break;
let boxObject = tabs[mid].boxObject;
let screenX = boxObject.screenX + getTabShift(tabs[mid], oldIndex);
if (screenX > tabCenter) {
high = mid - 1;
} else if (screenX + boxObject.width < tabCenter) {
low = mid + 1;
} else {
newIndex = tabs[mid]._tPos;
break;
}
}
if (newIndex >= oldIndex)
newIndex++;
if (newIndex < 0 || newIndex == oldIndex)
return;
draggedTab._dragData.animDropIndex = newIndex;
// Shift background tabs to leave a gap where the dragged tab
// would currently be dropped.
for (let tab of tabs) {
if (tab != draggedTab) {
let shift = getTabShift(tab, newIndex);
tab.style.transform = shift ? "translateX(" + shift + "px)" : "";
}
}
function getTabShift(tab, dropIndex) {
if (tab._tPos < draggedTab._tPos && tab._tPos >= dropIndex)
return rtl ? -tabWidth : tabWidth;
if (tab._tPos > draggedTab._tPos && tab._tPos < dropIndex)
return rtl ? tabWidth : -tabWidth;
return 0;
}
]]></body>
</method>
<method name="_finishAnimateTabMove">
<body><![CDATA[
if (this.getAttribute("movingtab") != "true")
return;
for (let tab of this.tabbrowser.visibleTabs)
tab.style.transform = "";
this.removeAttribute("movingtab");
this._handleTabSelect();
]]></body>
</method>
<method name="handleEvent">
<parameter name="aEvent"/>
<body><![CDATA[
switch (aEvent.type) {
case "load":
this.updateVisibility();
break;
case "resize":
if (aEvent.target != window)
break;
TabsInTitlebar.updateAppearance();
if (this.tabbrowser.visibleTabs.length > 1) {
var width = this.mTabstrip.boxObject.width;
if (width != this.mTabstripWidth) {
this.adjustTabstrip();
this._fillTrailingGap();
this._handleTabSelect();
this.mTabstripWidth = width;
}
}
this.tabbrowser.updateWindowResizers();
break;
case "mouseout":
// If the "related target" (the node to which the pointer went) is not
// a child of the current document, the mouse just left the window.
let relatedTarget = aEvent.relatedTarget;
if (relatedTarget && relatedTarget.ownerDocument == document)
break;
case "mousemove":
if (document.getElementById("tabContextMenu").state != "open")
this._unlockTabSizing();
break;
}
]]></body>
</method>
<field name="_animateElement">
this.mTabstrip._scrollButtonDown;
</field>
<method name="_notifyBackgroundTab">
<parameter name="aTab"/>
<body><![CDATA[
if (aTab.pinned)
return;
var scrollRect = this.mTabstrip.scrollClientRect;
var tab = aTab.getBoundingClientRect();
// Is the new tab already completely visible?
if (scrollRect.left <= tab.left && tab.right <= scrollRect.right)
return;
if (this.mTabstrip.smoothScroll) {
let selected = !this.selectedItem.pinned &&
this.selectedItem.getBoundingClientRect();
// Can we make both the new tab and the selected tab completely visible?
if (!selected ||
Math.max(tab.right - selected.left, selected.right - tab.left) <=
scrollRect.width) {
this.mTabstrip.ensureElementIsVisible(aTab);
return;
}
this.mTabstrip._smoothScrollByPixels(this.mTabstrip._isRTLScrollbox ?
selected.right - scrollRect.right :
selected.left - scrollRect.left);
}
if (!this._animateElement.hasAttribute("notifybgtab")) {
this._animateElement.setAttribute("notifybgtab", "true");
setTimeout(function (ele) {
ele.removeAttribute("notifybgtab");
}, 150, this._animateElement);
}
]]></body>
</method>
<method name="_getDragTargetTab">
<parameter name="event"/>
<body><![CDATA[
let tab = event.target.localName == "tab" ? event.target : null;
if (tab &&
(event.type == "drop" || event.type == "dragover") &&
event.dataTransfer.dropEffect == "link") {
let boxObject = tab.boxObject;
if (event.screenX < boxObject.screenX + boxObject.width * .25 ||
event.screenX > boxObject.screenX + boxObject.width * .75)
return null;
}
return tab;
]]></body>
</method>
<method name="_getDropIndex">
<parameter name="event"/>
<body><![CDATA[
var tabs = this.childNodes;
var tab = this._getDragTargetTab(event);
if (window.getComputedStyle(this, null).direction == "ltr") {
for (let i = tab ? tab._tPos : 0; i < tabs.length; i++)
if (event.screenX < tabs[i].boxObject.screenX + tabs[i].boxObject.width / 2)
return i;
} else {
for (let i = tab ? tab._tPos : 0; i < tabs.length; i++)
if (event.screenX > tabs[i].boxObject.screenX + tabs[i].boxObject.width / 2)
return i;
}
return tabs.length;
]]></body>
</method>
<method name="_setEffectAllowedForDataTransfer">
<parameter name="event"/>
<body><![CDATA[
var dt = event.dataTransfer;
// Disallow dropping multiple items
if (dt.mozItemCount > 1)
return dt.effectAllowed = "none";
var types = dt.mozTypesAt(0);
var sourceNode = null;
// tabs are always added as the first type
if (types[0] == TAB_DROP_TYPE) {
var sourceNode = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (sourceNode instanceof XULElement &&
sourceNode.localName == "tab" &&
sourceNode.ownerDocument.defaultView instanceof ChromeWindow &&
sourceNode.ownerDocument.documentElement.getAttribute("windowtype") == "navigator:browser" &&
sourceNode.ownerDocument.defaultView.gBrowser.tabContainer == sourceNode.parentNode) {
// Do not allow transfering a private tab to a non-private window
// and vice versa.
if (PrivateBrowsingUtils.isWindowPrivate(window) !=
PrivateBrowsingUtils.isWindowPrivate(sourceNode.ownerDocument.defaultView))
return dt.effectAllowed = "none";
#ifdef XP_MACOSX
return dt.effectAllowed = event.altKey ? "copy" : "move";
#else
return dt.effectAllowed = event.ctrlKey ? "copy" : "move";
#endif
}
}
if (browserDragAndDrop.canDropLink(event)) {
// Here we need to do this manually
return dt.effectAllowed = dt.dropEffect = "link";
}
return dt.effectAllowed = "none";
]]></body>
</method>
<method name="_handleNewTab">
<parameter name="tab"/>
<body><![CDATA[
if (tab.parentNode != this)
return;
tab._fullyOpen = true;
this.adjustTabstrip();
if (tab.getAttribute("selected") == "true") {
this._fillTrailingGap();
this._handleTabSelect();
} else {
this._notifyBackgroundTab(tab);
}
// XXXmano: this is a temporary workaround for bug 345399
// We need to manually update the scroll buttons disabled state
// if a tab was inserted to the overflow area or removed from it
// without any scrolling and when the tabbar has already
// overflowed.
this.mTabstrip._updateScrollButtonsDisabledState();
]]></body>
</method>
<method name="_canAdvanceToTab">
<parameter name="aTab"/>
<body>
<![CDATA[
return !aTab.closing;
]]>
</body>
</method>
<method name="_handleTabTelemetryStart">
<parameter name="aTab"/>
<parameter name="aURI"/>
<body>
<![CDATA[
// Animation-smoothness telemetry/logging
if (Services.telemetry.canRecord || this._tabAnimationLoggingEnabled) {
if (aURI == "about:newtab" && (aTab._tPos == 1 || aTab._tPos == 2)) {
// Indicate newtab page animation where other tabs are unaffected
// (for which case, the 2nd or 3rd tabs are good representatives, even if not absolute)
aTab._recordingTabOpenPlain = true;
}
aTab._recordingHandle = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils)
.startFrameTimeRecording();
}
// Overall animation duration
aTab._animStartTime = Date.now();
]]>
</body>
</method>
<method name="_handleTabTelemetryEnd">
<parameter name="aTab"/>
<body>
<![CDATA[
if (!aTab._animStartTime) {
return;
}
Services.telemetry.getHistogramById(aTab.closing ?
"FX_TAB_ANIM_CLOSE_MS" :
"FX_TAB_ANIM_OPEN_MS")
.add(Date.now() - aTab._animStartTime);
aTab._animStartTime = 0;
// Handle tab animation smoothness telemetry/logging of frame intervals and paint times
if (!("_recordingHandle" in aTab)) {
return;
}
let intervals = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils)
.stopFrameTimeRecording(aTab._recordingHandle);
delete aTab._recordingHandle;
let frameCount = intervals.length;
if (this._tabAnimationLoggingEnabled) {
let msg = "Tab " + (aTab.closing ? "close" : "open") + " (Frame-interval):\n";
for (let i = 0; i < frameCount; i++) {
msg += Math.round(intervals[i]) + "\n";
}
Services.console.logStringMessage(msg);
}
// For telemetry, the first frame interval is not useful since it may represent an interval
// to a relatively old frame (prior to recording start). So we'll ignore it for the average.
if (frameCount > 1) {
let averageInterval = 0;
for (let i = 1; i < frameCount; i++) {
averageInterval += intervals[i];
};
averageInterval = averageInterval / (frameCount - 1);
Services.telemetry.getHistogramById("FX_TAB_ANIM_ANY_FRAME_INTERVAL_MS").add(averageInterval);
if (aTab._recordingTabOpenPlain) {
delete aTab._recordingTabOpenPlain;
// While we do have a telemetry probe NEWTAB_PAGE_ENABLED to monitor newtab preview, it'll be
// easier to overview the data without slicing by it. Hence the additional histograms with _PREVIEW.
let preview = this._browserNewtabpageEnabled ? "_PREVIEW" : "";
Services.telemetry.getHistogramById("FX_TAB_ANIM_OPEN" + preview + "_FRAME_INTERVAL_MS").add(averageInterval);
}
}
]]>
</body>
</method>
<!-- Deprecated stuff, implemented for backwards compatibility. -->
<property name="mTabstripClosebutton" readonly="true"
onget="return document.getElementById('tabs-closebutton');"/>
<property name="mAllTabsPopup" readonly="true"
onget="return document.getElementById('alltabs-popup');"/>
</implementation>
<handlers>
<handler event="TabSelect" action="this._handleTabSelect();"/>
<handler event="transitionend"><![CDATA[
if (event.propertyName != "max-width")
return;
var tab = event.target;
this._handleTabTelemetryEnd(tab);
if (tab.getAttribute("fadein") == "true") {
if (tab._fullyOpen)
this.adjustTabstrip();
else
this._handleNewTab(tab);
} else if (tab.closing) {
this.tabbrowser._endRemoveTab(tab);
}
]]></handler>
<handler event="dblclick"><![CDATA[
#ifndef XP_MACOSX
// When the tabbar has an unified appearance with the titlebar
// and menubar, a double-click in it should have the same behavior
// as double-clicking the titlebar
if (TabsInTitlebar.enabled || this.parentNode._dragBindingAlive)
return;
#endif
if (event.button != 0 ||
event.originalTarget.localName != "box")
return;
// See hack note in the tabbrowser-close-tab-button binding
if (!this._blockDblClick)
BrowserOpenTab();
event.preventDefault();
]]></handler>
<handler event="click" button="0" phase="capturing"><![CDATA[
/* Catches extra clicks meant for the in-tab close button.
* Placed here to avoid leaking (a temporary handler added from the
* in-tab close button binding would close over the tab and leak it
* until the handler itself was removed). (bug 897751)
*
* The only sequence in which a second click event (i.e. dblclik)
* can be dispatched on an in-tab close button is when it is shown
* after the first click (i.e. the first click event was dispatched
* on the tab). This happens when we show the close button only on
* the active tab. (bug 352021)
* The only sequence in which a third click event can be dispatched
* on an in-tab close button is when the tab was opened with a
* double click on the tabbar. (bug 378344)
* In both cases, it is most likely that the close button area has
* been accidentally clicked, therefore we do not close the tab.
*
* We don't want to ignore processing of more than one click event,
* though, since the user might actually be repeatedly clicking to
* close many tabs at once.
*/
let target = event.originalTarget;
if (target.classList.contains('tab-close-button')) {
// We preemptively set this to allow the closing-multiple-tabs-
// in-a-row case.
if (this._blockDblClick) {
target._ignoredCloseButtonClicks = true;
} else if (event.detail > 1 && !target._ignoredCloseButtonClicks) {
target._ignoredCloseButtonClicks = true;
event.stopPropagation();
return;
} else {
// Reset the "ignored click" flag
target._ignoredCloseButtonClicks = false;
}
}
/* Protects from close-tab-button errant doubleclick:
* Since we're removing the event target, if the user
* double-clicks the button, the dblclick event will be dispatched
* with the tabbar as its event target (and explicit/originalTarget),
* which treats that as a mouse gesture for opening a new tab.
* In this context, we're manually blocking the dblclick event
* (see tabbrowser-close-tab-button dblclick handler).
*/
if (this._blockDblClick) {
if (!("_clickedTabBarOnce" in this)) {
this._clickedTabBarOnce = true;
return;
}
delete this._clickedTabBarOnce;
this._blockDblClick = false;
}
]]></handler>
<handler event="click"><![CDATA[
if (event.button != 1)
return;
if (event.target.localName == "tab") {
if (this.childNodes.length > 1 || !this._closeWindowWithLastTab)
this.tabbrowser.removeTab(event.target, {animate: true, byMouse: true});
} else if (event.originalTarget.localName == "box") {
BrowserOpenTab();
} else {
return;
}
event.stopPropagation();
]]></handler>
<handler event="keypress"><![CDATA[
if (event.altKey || event.shiftKey ||
#ifdef XP_MACOSX
!event.metaKey)
#else
!event.ctrlKey || event.metaKey)
#endif
return;
switch (event.keyCode) {
case KeyEvent.DOM_VK_UP:
this.tabbrowser.moveTabBackward();
break;
case KeyEvent.DOM_VK_DOWN:
this.tabbrowser.moveTabForward();
break;
case KeyEvent.DOM_VK_RIGHT:
case KeyEvent.DOM_VK_LEFT:
this.tabbrowser.moveTabOver(event);
break;
case KeyEvent.DOM_VK_HOME:
this.tabbrowser.moveTabToStart();
break;
case KeyEvent.DOM_VK_END:
this.tabbrowser.moveTabToEnd();
break;
default:
// Stop the keypress event for the above keyboard
// shortcuts only.
return;
}
event.stopPropagation();
event.preventDefault();
]]></handler>
<handler event="dragstart"><![CDATA[
var tab = this._getDragTargetTab(event);
if (!tab || this._isCustomizing)
return;
let dt = event.dataTransfer;
dt.mozSetDataAt(TAB_DROP_TYPE, tab, 0);
let browser = tab.linkedBrowser;
// We must not set text/x-moz-url or text/plain data here,
// otherwise trying to deatch the tab by dropping it on the desktop
// may result in an "internet shortcut"
dt.mozSetDataAt("text/x-moz-text-internal", browser.currentURI.spec, 0);
// Set the cursor to an arrow during tab drags.
dt.mozCursor = "default";
// Create a canvas to which we capture the current tab.
// Until canvas is HiDPI-aware (bug 780362), we need to scale the desired
// canvas size (in CSS pixels) to the window's backing resolution in order
// to get a full-resolution drag image for use on HiDPI displays.
let windowUtils = window.getInterface(Ci.nsIDOMWindowUtils);
let scale = windowUtils.screenPixelsPerCSSPixel / windowUtils.fullZoom;
let canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
canvas.mozOpaque = true;
canvas.width = 160 * scale;
canvas.height = 90 * scale;
PageThumbs.captureToCanvas(browser.contentWindow, canvas);
dt.setDragImage(canvas, -16 * scale, -16 * scale);
// _dragData.offsetX/Y give the coordinates that the mouse should be
// positioned relative to the corner of the new window created upon
// dragend such that the mouse appears to have the same position
// relative to the corner of the dragged tab.
function clientX(ele) ele.getBoundingClientRect().left;
let tabOffsetX = clientX(tab) - clientX(this);
tab._dragData = {
offsetX: event.screenX - window.screenX - tabOffsetX,
offsetY: event.screenY - window.screenY,
scrollX: this.mTabstrip.scrollPosition,
screenX: event.screenX
};
event.stopPropagation();
]]></handler>
<handler event="dragover"><![CDATA[
var effects = this._setEffectAllowedForDataTransfer(event);
var ind = this._tabDropIndicator;
if (effects == "" || effects == "none") {
ind.collapsed = true;
return;
}
event.preventDefault();
event.stopPropagation();
var tabStrip = this.mTabstrip;
var ltr = (window.getComputedStyle(this, null).direction == "ltr");
// autoscroll the tab strip if we drag over the scroll
// buttons, even if we aren't dragging a tab, but then
// return to avoid drawing the drop indicator
var pixelsToScroll = 0;
if (this.getAttribute("overflow") == "true") {
var targetAnonid = event.originalTarget.getAttribute("anonid");
switch (targetAnonid) {
case "scrollbutton-up":
pixelsToScroll = tabStrip.scrollIncrement * -1;
break;
case "scrollbutton-down":
pixelsToScroll = tabStrip.scrollIncrement;
break;
}
if (pixelsToScroll)
tabStrip.scrollByPixels((ltr ? 1 : -1) * pixelsToScroll);
}
if (effects == "move" &&
this == event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0).parentNode) {
ind.collapsed = true;
this._animateTabMove(event);
return;
}
this._finishAnimateTabMove();
if (effects == "link") {
let tab = this._getDragTargetTab(event);
if (tab) {
if (!this._dragTime)
this._dragTime = Date.now();
if (Date.now() >= this._dragTime + this._dragOverDelay)
this.selectedItem = tab;
ind.collapsed = true;
return;
}
}
var rect = tabStrip.getBoundingClientRect();
var newMargin;
if (pixelsToScroll) {
// if we are scrolling, put the drop indicator at the edge
// so that it doesn't jump while scrolling
let scrollRect = tabStrip.scrollClientRect;
let minMargin = scrollRect.left - rect.left;
let maxMargin = Math.min(minMargin + scrollRect.width,
scrollRect.right);
if (!ltr)
[minMargin, maxMargin] = [this.clientWidth - maxMargin,
this.clientWidth - minMargin];
newMargin = (pixelsToScroll > 0) ? maxMargin : minMargin;
}
else {
let newIndex = this._getDropIndex(event);
if (newIndex == this.childNodes.length) {
let tabRect = this.childNodes[newIndex-1].getBoundingClientRect();
if (ltr)
newMargin = tabRect.right - rect.left;
else
newMargin = rect.right - tabRect.left;
}
else {
let tabRect = this.childNodes[newIndex].getBoundingClientRect();
if (ltr)
newMargin = tabRect.left - rect.left;
else
newMargin = rect.right - tabRect.right;
}
}
ind.collapsed = false;
newMargin += ind.clientWidth / 2;
if (!ltr)
newMargin *= -1;
ind.style.transform = "translate(" + Math.round(newMargin) + "px)";
ind.style.MozMarginStart = (-ind.clientWidth) + "px";
]]></handler>
<handler event="drop"><![CDATA[
var dt = event.dataTransfer;
var dropEffect = dt.dropEffect;
var draggedTab;
if (dropEffect != "link") { // copy or move
draggedTab = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
// not our drop then
if (!draggedTab)
return;
}
this._tabDropIndicator.collapsed = true;
event.stopPropagation();
if (draggedTab && dropEffect == "copy") {
// copy the dropped tab (wherever it's from)
let newIndex = this._getDropIndex(event);
let newTab = this.tabbrowser.duplicateTab(draggedTab);
this.tabbrowser.moveTabTo(newTab, newIndex);
if (draggedTab.parentNode != this || event.shiftKey)
this.selectedItem = newTab;
} else if (draggedTab && draggedTab.parentNode == this) {
this._finishAnimateTabMove();
// actually move the dragged tab
if ("animDropIndex" in draggedTab._dragData) {
let newIndex = draggedTab._dragData.animDropIndex;
if (newIndex > draggedTab._tPos)
newIndex--;
this.tabbrowser.moveTabTo(draggedTab, newIndex);
}
} else if (draggedTab) {
// swap the dropped tab with a new one we create and then close
// it in the other window (making it seem to have moved between
// windows)
let newIndex = this._getDropIndex(event);
let newTab = this.tabbrowser.addTab("about:blank");
let newBrowser = this.tabbrowser.getBrowserForTab(newTab);
// Stop the about:blank load
newBrowser.stop();
// make sure it has a docshell
newBrowser.docShell;
let numPinned = this.tabbrowser._numPinnedTabs;
if (newIndex < numPinned || draggedTab.pinned && newIndex == numPinned)
this.tabbrowser.pinTab(newTab);
this.tabbrowser.moveTabTo(newTab, newIndex);
// We need to select the tab before calling swapBrowsersAndCloseOther
// so that window.content in chrome windows points to the right tab
// when pagehide/show events are fired.
this.tabbrowser.selectedTab = newTab;
draggedTab.parentNode._finishAnimateTabMove();
this.tabbrowser.swapBrowsersAndCloseOther(newTab, draggedTab);
// Call updateCurrentBrowser to make sure the URL bar is up to date
// for our new tab after we've done swapBrowsersAndCloseOther.
this.tabbrowser.updateCurrentBrowser(true);
} else {
// Pass true to disallow dropping javascript: or data: urls
let url;
try {
url = browserDragAndDrop.drop(event, { }, true);
} catch (ex) {}
if (!url)
return;
let bgLoad = Services.prefs.getBoolPref("browser.tabs.loadInBackground");
if (event.shiftKey)
bgLoad = !bgLoad;
let tab = this._getDragTargetTab(event);
if (!tab || dropEffect == "copy") {
// We're adding a new tab.
let newIndex = this._getDropIndex(event);
let newTab = this.tabbrowser.loadOneTab(url, {inBackground: bgLoad, allowThirdPartyFixup: true});
this.tabbrowser.moveTabTo(newTab, newIndex);
} else {
// Load in an existing tab.
try {
this.tabbrowser.getBrowserForTab(tab).loadURIWithFlags(url, Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP);
if (!bgLoad)
this.selectedItem = tab;
} catch(ex) {
// Just ignore invalid urls
}
}
}
if (draggedTab) {
delete draggedTab._dragData;
}
]]></handler>
<handler event="dragend"><![CDATA[
// Note: while this case is correctly handled here, this event
// isn't dispatched when the tab is moved within the tabstrip,
// see bug 460801.
this._finishAnimateTabMove();
var dt = event.dataTransfer;
var draggedTab = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (dt.mozUserCancelled || dt.dropEffect != "none" || this._isCustomizing) {
delete draggedTab._dragData;
return;
}
// Disable detach within the browser toolbox
var eX = event.screenX;
var eY = event.screenY;
var wX = window.screenX;
// check if the drop point is horizontally within the window
if (eX > wX && eX < (wX + window.outerWidth)) {
let bo = this.mTabstrip.boxObject;
// also avoid detaching if the the tab was dropped too close to
// the tabbar (half a tab)
let endScreenY = bo.screenY + 1.5 * bo.height;
if (eY < endScreenY && eY > window.screenY)
return;
}
// screen.availLeft et. al. only check the screen that this window is on,
// but we want to look at the screen the tab is being dropped onto.
var sX = {}, sY = {}, sWidth = {}, sHeight = {};
Cc["@mozilla.org/gfx/screenmanager;1"]
.getService(Ci.nsIScreenManager)
.screenForRect(eX, eY, 1, 1)
.GetAvailRect(sX, sY, sWidth, sHeight);
// ensure new window entirely within screen
var winWidth = Math.min(window.outerWidth, sWidth.value);
var winHeight = Math.min(window.outerHeight, sHeight.value);
var left = Math.min(Math.max(eX - draggedTab._dragData.offsetX, sX.value),
sX.value + sWidth.value - winWidth);
var top = Math.min(Math.max(eY - draggedTab._dragData.offsetY, sY.value),
sY.value + sHeight.value - winHeight);
delete draggedTab._dragData;
if (this.tabbrowser.tabs.length == 1) {
// resize _before_ move to ensure the window fits the new screen. if
// the window is too large for its screen, the window manager may do
// automatic repositioning.
window.resizeTo(winWidth, winHeight);
window.moveTo(left, top);
window.focus();
} else {
this.tabbrowser.replaceTabWithWindow(draggedTab, { screenX: left,
screenY: top,
#ifndef XP_WIN
outerWidth: winWidth,
outerHeight: winHeight
#endif
});
}
event.stopPropagation();
]]></handler>
<handler event="dragexit"><![CDATA[
this._dragTime = 0;
// This does not work at all (see bug 458613)
var target = event.relatedTarget;
while (target && target != this)
target = target.parentNode;
if (target)
return;
this._tabDropIndicator.collapsed = true;
event.stopPropagation();
]]></handler>
</handlers>
</binding>
<!-- close-tab-button binding
This binding relies on the structure of the tabbrowser binding.
Therefore it should only be used as a child of the tab or the tabs
element (in both cases, when they are anonymous nodes of <tabbrowser>).
-->
<binding id="tabbrowser-close-tab-button"
extends="chrome://global/content/bindings/toolbarbutton.xml#toolbarbutton-image">
<handlers>
<handler event="click" button="0"><![CDATA[
var bindingParent = document.getBindingParent(this);
var tabContainer = bindingParent.parentNode;
tabContainer.tabbrowser.removeTab(bindingParent, {animate: true, byMouse: true});
// This enables double-click protection for the tab container
// (see tabbrowser-tabs 'click' handler).
tabContainer._blockDblClick = true;
]]></handler>
<handler event="dblclick" button="0" phase="capturing">
// for the one-close-button case
event.stopPropagation();
</handler>
<handler event="dragstart">
event.stopPropagation();
</handler>
</handlers>
</binding>
<binding id="tabbrowser-tab" display="xul:hbox"
extends="chrome://global/content/bindings/tabbox.xml#tab">
<resources>
<stylesheet src="chrome://browser/content/tabbrowser.css"/>
</resources>
<content context="tabContextMenu" closetabtext="&closeTab.label;">
<xul:stack class="tab-stack" flex="1">
<xul:hbox xbl:inherits="pinned,selected,titlechanged,fadein"
class="tab-background">
<xul:hbox xbl:inherits="pinned,selected,titlechanged"
class="tab-background-start"/>
<xul:hbox xbl:inherits="pinned,selected,titlechanged"
class="tab-background-middle"/>
<xul:hbox xbl:inherits="pinned,selected,titlechanged"
class="tab-background-end"/>
</xul:hbox>
<xul:hbox xbl:inherits="pinned,selected,titlechanged"
class="tab-content" align="center">
<xul:image xbl:inherits="fadein,pinned,busy,progress,selected"
class="tab-throbber"
role="presentation"
layer="true" />
<xul:image xbl:inherits="src=image,fadein,pinned,selected"
class="tab-icon-image"
validate="never"
role="presentation"/>
<xul:label flex="1"
anonid="tab-label"
xbl:inherits="value=visibleLabel,crop,accesskey,fadein,pinned,selected"
class="tab-text tab-label"
role="presentation"/>
<xul:toolbarbutton anonid="close-button"
xbl:inherits="fadein,pinned,selected"
class="tab-close-button close-icon"/>
</xul:hbox>
</xul:stack>
</content>
<implementation>
<property name="label">
<getter>
return this.getAttribute("label");
</getter>
<setter>
this.setAttribute("label", val);
let event = new CustomEvent("TabLabelModified", {
bubbles: true,
cancelable: true
});
this.dispatchEvent(event);
// Let listeners prevent synchronizing the actual label to the
// visible label (allowing them to override the visible label).
if (!event.defaultPrevented)
this.visibleLabel = val;
</setter>
</property>
<property name="visibleLabel">
<getter>
return this.getAttribute("visibleLabel");
</getter>
<setter>
this.setAttribute("visibleLabel", val);
</setter>
</property>
<property name="pinned" readonly="true">
<getter>
return this.getAttribute("pinned") == "true";
</getter>
</property>
<property name="hidden" readonly="true">
<getter>
return this.getAttribute("hidden") == "true";
</getter>
</property>
<field name="mOverCloseButton">false</field>
<field name="mCorrespondingMenuitem">null</field>
<field name="closing">false</field>
<field name="lastAccessed">0</field>
<method name="_mouseenter">
<body><![CDATA[
if (this.closing)
return;
let tabContainer = this.parentNode;
let visibleTabs = tabContainer.tabbrowser.visibleTabs;
let tabIndex = visibleTabs.indexOf(this);
if (tabIndex == 0) {
tabContainer._beforeHoveredTab = null;
} else {
let candidate = visibleTabs[tabIndex - 1];
if (!candidate.selected) {
tabContainer._beforeHoveredTab = candidate;
candidate.setAttribute("beforehovered", "true");
}
}
if (tabIndex == visibleTabs.length - 1) {
tabContainer._afterHoveredTab = null;
} else {
let candidate = visibleTabs[tabIndex + 1];
if (!candidate.selected) {
tabContainer._afterHoveredTab = candidate;
candidate.setAttribute("afterhovered", "true");
}
}
tabContainer._hoveredTab = this;
]]></body>
</method>
<method name="_mouseleave">
<body><![CDATA[
let tabContainer = this.parentNode;
if (tabContainer._beforeHoveredTab) {
tabContainer._beforeHoveredTab.removeAttribute("beforehovered");
tabContainer._beforeHoveredTab = null;
}
if (tabContainer._afterHoveredTab) {
tabContainer._afterHoveredTab.removeAttribute("afterhovered");
tabContainer._afterHoveredTab = null;
}
tabContainer._hoveredTab = null;
]]></body>
</method>
</implementation>
<handlers>
<handler event="mouseover"><![CDATA[
let anonid = event.originalTarget.getAttribute("anonid");
if (anonid == "close-button")
this.mOverCloseButton = true;
this._mouseenter();
]]></handler>
<handler event="mouseout"><![CDATA[
let anonid = event.originalTarget.getAttribute("anonid");
if (anonid == "close-button")
this.mOverCloseButton = false;
this._mouseleave();
]]></handler>
<handler event="dragstart" phase="capturing">
this.style.MozUserFocus = '';
</handler>
<handler event="mousedown" phase="capturing">
<![CDATA[
if (this.selected) {
this.style.MozUserFocus = 'ignore';
this.clientTop; // just using this to flush style updates
} else if (this.mOverCloseButton) {
// Prevent tabbox.xml from selecting the tab.
event.stopPropagation();
}
]]>
</handler>
<handler event="mouseup">
this.style.MozUserFocus = '';
</handler>
</handlers>
</binding>
<binding id="tabbrowser-alltabs-popup"
extends="chrome://global/content/bindings/popup.xml#popup">
<implementation implements="nsIDOMEventListener">
<method name="_tabOnAttrModified">
<parameter name="aEvent"/>
<body><![CDATA[
var tab = aEvent.target;
if (tab.mCorrespondingMenuitem)
this._setMenuitemAttributes(tab.mCorrespondingMenuitem, tab);
]]></body>
</method>
<method name="_tabOnTabClose">
<parameter name="aEvent"/>
<body><![CDATA[
var tab = aEvent.target;
if (tab.mCorrespondingMenuitem)
this.removeChild(tab.mCorrespondingMenuitem);
]]></body>
</method>
<method name="handleEvent">
<parameter name="aEvent"/>
<body><![CDATA[
switch (aEvent.type) {
case "TabAttrModified":
this._tabOnAttrModified(aEvent);
break;
case "TabClose":
this._tabOnTabClose(aEvent);
break;
case "scroll":
this._updateTabsVisibilityStatus();
break;
}
]]></body>
</method>
<method name="_updateTabsVisibilityStatus">
<body><![CDATA[
var tabContainer = gBrowser.tabContainer;
// We don't want menu item decoration unless there is overflow.
if (tabContainer.getAttribute("overflow") != "true")
return;
var tabstripBO = tabContainer.mTabstrip.scrollBoxObject;
for (var i = 0; i < this.childNodes.length; i++) {
let curTab = this.childNodes[i].tab;
if (!curTab) // "Tab Groups" menuitem and its menuseparator
continue;
let curTabBO = curTab.boxObject;
if (curTabBO.screenX >= tabstripBO.screenX &&
curTabBO.screenX + curTabBO.width <= tabstripBO.screenX + tabstripBO.width)
this.childNodes[i].setAttribute("tabIsVisible", "true");
else
this.childNodes[i].removeAttribute("tabIsVisible");
}
]]></body>
</method>
<method name="_createTabMenuItem">
<parameter name="aTab"/>
<body><![CDATA[
var menuItem = document.createElementNS(
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"menuitem");
menuItem.setAttribute("class", "menuitem-iconic alltabs-item menuitem-with-favicon");
this._setMenuitemAttributes(menuItem, aTab);
aTab.mCorrespondingMenuitem = menuItem;
menuItem.tab = aTab;
this.appendChild(menuItem);
]]></body>
</method>
<method name="_setMenuitemAttributes">
<parameter name="aMenuitem"/>
<parameter name="aTab"/>
<body><![CDATA[
aMenuitem.setAttribute("label", aTab.label);
aMenuitem.setAttribute("crop", aTab.getAttribute("crop"));
if (aTab.hasAttribute("busy")) {
aMenuitem.setAttribute("busy", aTab.getAttribute("busy"));
aMenuitem.removeAttribute("image");
} else {
aMenuitem.setAttribute("image", aTab.getAttribute("image"));
aMenuitem.removeAttribute("busy");
}
if (aTab.hasAttribute("pending"))
aMenuitem.setAttribute("pending", aTab.getAttribute("pending"));
else
aMenuitem.removeAttribute("pending");
if (aTab.selected)
aMenuitem.setAttribute("selected", "true");
else
aMenuitem.removeAttribute("selected");
]]></body>
</method>
</implementation>
<handlers>
<handler event="popupshowing">
<![CDATA[
var tabcontainer = gBrowser.tabContainer;
// Listen for changes in the tab bar.
tabcontainer.addEventListener("TabAttrModified", this, false);
tabcontainer.addEventListener("TabClose", this, false);
tabcontainer.mTabstrip.addEventListener("scroll", this, false);
let tabs = gBrowser.visibleTabs;
for (var i = 0; i < tabs.length; i++) {
if (!tabs[i].pinned)
this._createTabMenuItem(tabs[i]);
}
this._updateTabsVisibilityStatus();
]]></handler>
<handler event="popuphidden">
<![CDATA[
// clear out the menu popup and remove the listeners
for (let i = this.childNodes.length - 1; i > 0; i--) {
let menuItem = this.childNodes[i];
if (menuItem.tab) {
menuItem.tab.mCorrespondingMenuitem = null;
this.removeChild(menuItem);
}
}
var tabcontainer = gBrowser.tabContainer;
tabcontainer.mTabstrip.removeEventListener("scroll", this, false);
tabcontainer.removeEventListener("TabAttrModified", this, false);
tabcontainer.removeEventListener("TabClose", this, false);
]]></handler>
<handler event="DOMMenuItemActive">
<![CDATA[
var tab = event.target.tab;
if (tab) {
let overLink = tab.linkedBrowser.currentURI.spec;
if (overLink == "about:blank")
overLink = "";
XULBrowserWindow.setOverLink(overLink, null);
}
]]></handler>
<handler event="DOMMenuItemInactive">
<![CDATA[
XULBrowserWindow.setOverLink("", null);
]]></handler>
<handler event="command"><![CDATA[
if (event.target.tab)
gBrowser.selectedTab = event.target.tab;
]]></handler>
</handlers>
</binding>
<binding id="statuspanel" display="xul:hbox">
<content>
<xul:hbox class="statuspanel-inner">
<xul:label class="statuspanel-label"
role="status"
aria-live="off"
xbl:inherits="value=label,crop,mirror"
flex="1"
crop="end"/>
</xul:hbox>
</content>
<implementation implements="nsIDOMEventListener">
<constructor><![CDATA[
window.addEventListener("resize", this, false);
]]></constructor>
<destructor><![CDATA[
window.removeEventListener("resize", this, false);
MousePosTracker.removeListener(this);
]]></destructor>
<property name="label">
<setter><![CDATA[
if (!this.label) {
this.removeAttribute("mirror");
this.removeAttribute("sizelimit");
}
this.style.minWidth = this.getAttribute("type") == "status" &&
this.getAttribute("previoustype") == "status"
? getComputedStyle(this).width : "";
if (val) {
this.setAttribute("label", val);
this.removeAttribute("inactive");
this._calcMouseTargetRect();
MousePosTracker.addListener(this);
} else {
this.setAttribute("inactive", "true");
MousePosTracker.removeListener(this);
}
return val;
]]></setter>
<getter>
return this.hasAttribute("inactive") ? "" : this.getAttribute("label");
</getter>
</property>
<method name="getMouseTargetRect">
<body><![CDATA[
return this._mouseTargetRect;
]]></body>
</method>
<method name="onMouseEnter">
<body>
this._mirror();
</body>
</method>
<method name="onMouseLeave">
<body>
this._mirror();
</body>
</method>
<method name="handleEvent">
<parameter name="event"/>
<body><![CDATA[
if (!this.label)
return;
switch (event.type) {
case "resize":
this._calcMouseTargetRect();
break;
}
]]></body>
</method>
<method name="_calcMouseTargetRect">
<body><![CDATA[
let container = this.parentNode;
let alignRight = (getComputedStyle(container).direction == "rtl");
let panelRect = this.getBoundingClientRect();
let containerRect = container.getBoundingClientRect();
this._mouseTargetRect = {
top: panelRect.top,
bottom: panelRect.bottom,
left: alignRight ? containerRect.right - panelRect.width : containerRect.left,
right: alignRight ? containerRect.right : containerRect.left + panelRect.width
};
]]></body>
</method>
<method name="_mirror">
<body>
if (this.hasAttribute("mirror"))
this.removeAttribute("mirror");
else
this.setAttribute("mirror", "true");
if (!this.hasAttribute("sizelimit")) {
this.setAttribute("sizelimit", "true");
this._calcMouseTargetRect();
}
</body>
</method>
</implementation>
</binding>
</bindings>
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