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vertical-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;
]>
<bindings id="verticalTabBrowserBindings"
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"
xmlns:html="http://www.w3.org/1999/xhtml">
<binding id="tabbrowser-arrowscrollbox" extends="chrome://browser/content/tabbrowser.xml#tabbrowser-arrowscrollbox">
<implementation>
<field name="_isRTLScrollbox"><![CDATA[
document.getElementById('tabbrowser-tabs').getAttribute('opentabstop') === 'true';
]]></field>
<property name="_verticalTabs" onget="return this.orient == 'vertical';"/>
<method name="_canScrollToElement">
<parameter name="tab"/>
<body><![CDATA[
let canScroll = !tab.hidden && !this.skipNextScroll;
this.skipNextScroll = false;
return canScroll;
]]></body>
</method>
<method name="_elementFromPoint">
<parameter name="aX"/>
<parameter name="aPhysicalScrollDir"/>
<body><![CDATA[
let elements = this._getScrollableElements();
if (!elements.length){
return null;
}
let [start, end] = this._startEndProps;
let low, high;
let reverse = this.parentNode.getAttribute('opentabstop') === 'true';
if (reverse) {
high = 0;
low = elements.length - 1;
} else {
low = 0;
high = elements.length - 1;
}
if (aX < elements[low].getBoundingClientRect()[start] ||
aX > elements[high].getBoundingClientRect()[end]) {
return null;
}
let mid, rect;
while (low <= high) {
mid = Math.floor((low + high) / 2);
rect = elements[mid].getBoundingClientRect();
if (rect[start] > aX) {
high = mid - 1;
} else if (rect[end] < aX) {
low = mid + 1;
} else {
return elements[mid];
}
}
// There's no element at the requested coordinate, but the algorithm
// from above yields an element next to it, in a random direction.
// The desired scrolling direction leads to the correct element.
if (!aPhysicalScrollDir){
return null;
}
if (aPhysicalScrollDir < 0 && rect[start] > aX){
mid = Math.max(mid - 1, 0);
} else if (aPhysicalScrollDir > 0 && rect[end] < aX){
mid = Math.min(mid + 1, elements.length - 1);
}
return elements[mid];
]]></body>
</method>
</implementation>
<handlers>
<handler event="underflow" phase="capturing"><![CDATA[
if (event.detail === (this._verticalTabs ? 1 : 0)){
return; // Ignore other-direction events
}
let tabs = document.getBindingParent(this);
if (tabs.clientHeight >= this.clientHeight) {
this.removeAttribute('notoverflowing');
} else {
this.setAttribute('notoverflowing', 'true');
}
if (tabs._lastTabClosedByMouse) {
tabs._expandSpacerBy(this._scrollButtonDown.clientWidth);
}
tabs.tabbrowser._removingTabs.forEach(tabs.tabbrowser.removeTab,
tabs.tabbrowser);
]]></handler>
<handler event="overflow"><![CDATA[
if (event.detail === (this._verticalTabs ? 1 : 0)){
return; // Ignore other-direction events
}
let tabs = document.getBindingParent(this);
if (tabs.clientHeight >= this.clientHeight) {
this.removeAttribute('notoverflowing');
} else {
this.setAttribute('notoverflowing', 'true');
}
let numberOfTabs = tabs.tabbrowser.visibleTabs.length;
if (numberOfTabs === 1) {
return;
}
]]></handler>
</handlers>
</binding>
<binding id="tabbrowser-tabs"
extends="chrome://browser/content/tabbrowser.xml#tabbrowser-tabs">
<content>
<xul:hbox align="end">
<xul:image class="tab-drop-indicator" anonid="tab-drop-indicator" collapsed="true"/>
</xul:hbox>
<xul:arrowscrollbox anonid="arrowscrollbox"
vertical="true"
flex="1"
xbl:inherits="orient"
style="min-width: 40px;"
clicktoscroll="true"
class="tabbrowser-arrowscrollbox">
<children includes="tab"/>
<xul:vbox pack="center" id="filler-tab" hidden="true">
<xul:label/>
</xul:vbox>
<xul:toolbarbutton class="tabs-newtab-button"
command="cmd_newNavigatorTab"
onclick="checkForMiddleClick(this, event);"
onmouseover="document.getBindingParent(this)._enterNewTab();"
onmouseout="document.getBindingParent(this)._leaveNewTab();"
tooltip="dynamic-shortcut-tooltip"/>
<xul:spacer class="closing-tabs-spacer" anonid="closing-tabs-spacer"
style="width: 0;"/>
</xul:arrowscrollbox>
</content>
<implementation implements="nsIDOMEventListener">
<field name="mTabstripHeight">0;</field>
<property name="_verticalTabs" onget="return this.orient === 'vertical';"/>
<!-- Try to keep the active tab's close button under the mouse cursor -->
<method name="_lockTabSizing">
<parameter name="aTab"/>
<body><![CDATA[
// XXX I don't think this is necessary for vertical tabs
return;
]]></body>
</method>
<method name="_unlockTabSizing">
<body><![CDATA[
// XXX I don't think this is necessary for vertical tabs
return;
]]></body>
</method>
<method name="_positionPinnedTabs">
<body><![CDATA[
let numPinned = this.tabbrowser._numPinnedTabs;
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 (!('animLastScreenPos' in draggedTab._dragData)) {
// XXX verticalTabs hack -- this isn't set on dragstart (only screenX is),
// but we can fake it here. We also call scrollX scrollPosition.
draggedTab._dragData.screenY = event.screenY;
draggedTab._dragData.scrollPos = draggedTab._dragData.scrollX;
draggedTab._dragData.animLastScreenPos = draggedTab._dragData.screenY;
}
let screenPos = event.screenY;
if (screenPos === draggedTab._dragData.animLastScreenPos) {
return;
}
draggedTab._dragData.animLastScreenPos = screenPos;
let reverse = this.getAttribute('opentabstop') === 'true';
let pinned = draggedTab.pinned;
let tabs = this.tabbrowser.visibleTabs;
let numPinned = 0 ;
for (let i = 0; i < tabs.length; i++) {
if (!tabs[i].pinned){
continue;
}
numPinned += 1;
}
if (reverse){
tabs = tabs.slice(pinned ? (tabs.length - numPinned) : 0, pinned ? undefined : (tabs.length - numPinned));
} else {
tabs = tabs.slice(pinned ? 0 : numPinned, pinned ? numPinned : undefined);
}
// only reverse tabs once, otherwise it will flicker
if (reverse && !tabs.reversed) {
tabs.reversed = true;
tabs.reverse();
} if (!reverse) {
tabs.reversed = false;
}
let tabSize = draggedTab.getBoundingClientRect().height;
// Move the dragged tab based on the mouse position.
let leftTab = tabs[0];
let rightTab = tabs[tabs.length - 1];
let tabScreenPos = draggedTab.boxObject.screenY;
// console.log('tabScreenPos', tabScreenPos);
let translateVal = screenPos - draggedTab._dragData.screenY;
// console.log('translateVal 1', translateVal);
translateVal += this.mTabstrip.scrollPosition - draggedTab._dragData.scrollX; // XXX verticalTabs always scrollX here, it's actually the scrollPosition
let minBound = leftTab.boxObject.screenY - tabScreenPos;
let maxBound = (rightTab.boxObject.screenY + rightTab.boxObject.height) -
(tabScreenPos + tabSize);
translateVal = Math.max(translateVal, minBound);
translateVal = Math.min(translateVal, maxBound);
draggedTab.style.transform = 'translateY(' + translateVal + 'px)';
// console.log('draggedTab transform: ' + draggedTab.style.transform + ' should be ' + 'translateY(' + translateVal + 'px)');
let tabbrowser = document.getElementById('tabbrowser-tabs');
let scrollbox = document.getAnonymousElementByAttribute(tabbrowser, 'anonid', 'arrowscrollbox');
let scrollbuttonDown = document.getAnonymousElementByAttribute(scrollbox, 'anonid', 'scrollbutton-down');
let scrollbuttonUp = document.getAnonymousElementByAttribute(scrollbox, 'anonid', 'scrollbutton-up');
let mouseY = event.clientY;
let mainWindow = document.getElementById('main-window');
let bottomMin = tabbrowser.boxObject.height + 5;
let topMax;
if (navigator.userAgent.indexOf('Mac') !== -1) {
if (mainWindow.getAttribute('lwtheme') === 'true') {
topMax = 92;
} else {
topMax = 70;
}
} else if (navigator.userAgent.indexOf('Win') !== -1 || navigator.userAgent.indexOf('Linux') !== -1) {
topMax = 69;
} else {
topMax = 80; // best guess for average
}
if (tabbrowser.getAttribute('mouseInside') === 'true' && mouseY > bottomMin && mouseY < bottomMin + 30){
//if tabs are reversed trigger the opposite button's scroll event instead
if (tabbrowser.getAttribute('opentabstop') === 'true') {
scrollbuttonUp.onmousedown(event);
} else {
scrollbuttonDown.onmousedown(event);
}
} else if (tabbrowser.getAttribute('mouseInside') === 'true' && mouseY < topMax && mouseY > (topMax - 40)) {
if (tabbrowser.getAttribute('opentabstop') === 'true') {
scrollbuttonDown.onmousedown(event);
} else {
scrollbuttonUp.onmousedown(event);
}
} else {
scrollbuttonUp.onmouseout();
scrollbuttonDown.onmouseout();
}
// 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 = tabScreenPos + translateVal + tabSize / 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 screenPos = boxObject.screenY + getTabShift(tabs[mid], oldIndex);
if (screenPos > tabCenter) {
high = mid - 1;
} else if (screenPos + boxObject.height < 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 ? 'translateY(' + shift + 'px)' : '';
}
}
function getTabShift(tab, dropIndex) {
if (tab._tPos < draggedTab._tPos && tab._tPos >= dropIndex) {
return reverse ? -tabSize : tabSize;
}
if (tab._tPos > draggedTab._tPos && tab._tPos < dropIndex) {
return reverse ? tabSize : -tabSize;
}
return 0;
}
]]></body>
</method>
<method name="handleEvent">
<parameter name="aEvent"/>
<body><![CDATA[
let width, height, relatedTarget;
switch (aEvent.type) {
case 'load':
this.updateVisibility();
if (typeof TabsInTitlebar._updateOnInit != 'undefined') {
TabsInTitlebar.init();
}
break;
case 'resize':
if (aEvent.target !== window) {
break;
}
TabsInTitlebar.updateAppearance();
width = this.mTabstrip.boxObject.width;
height = this.mTabstrip.boxObject.height;
if ((!this._verticalTabs && width !== this.mTabstripWidth) ||
(this._verticalTabs && height !== this.mTabstripHeight))
{
this.adjustTabstrip();
this._fillTrailingGap();
this._handleTabSelect();
this.mTabstripWidth = width;
this.mTabstripHeight = height;
}
if (this.tabbrowser.updateWindowResizers) {
this.tabbrowser.updateWindowResizers(); //method only exists in older than v53
}
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.
relatedTarget = aEvent.relatedTarget;
if (!relatedTarget || relatedTarget.ownerDocument !== document) {
if (document.getElementById('tabContextMenu').state !== 'open') {
this._unlockTabSizing();
}
}
break;
case 'mousemove':
if (document.getElementById('tabContextMenu').state !== 'open') {
this._unlockTabSizing();
}
break;
}
]]></body>
</method>
<!-- XXX todo: implement notifyBackgroundtab for vertical tabs-->
<method name="_getDropIndex">
<parameter name="event"/>
<body><![CDATA[
let verticalTabs = this._verticalTabs;
let tabs = this.childNodes;
let tab = this._getDragTargetTab(event);
if (verticalTabs) {
for (let i = tab ? tab._tPos : 0; i < tabs.length; i++) {
if (event.screenY < tabs[i].boxObject.screenY + tabs[i].boxObject.height / 2) {
return i;
}
}
} else 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="_notifyBackgroundTab">
<parameter name="aTab"/>
<body><![CDATA[
if (aTab.pinned || aTab.hidden) {
return;
}
let scrollRect = this.mTabstrip.scrollClientRect;
let tab = aTab.getBoundingClientRect();
this.mTabstrip._calcTabMargins(aTab);
// DOMRect top/bottom properties are immutable.
tab = {top: tab.top, bottom: tab.bottom};
// Is the new tab already completely visible?
if (scrollRect.top <= tab.top && tab.bottom <= scrollRect.bottom){
return;
}
if (this.mTabstrip.smoothScroll) {
let selected = !this.selectedItem.pinned &&
this.selectedItem.getBoundingClientRect();
if (selected) {
selected = {top: selected.top, bottom: selected.bottom};
}
// Can we make both the new tab and the selected tab completely visible?
if (!selected ||
Math.max(tab.bottom - selected.top, selected.bottom - tab.top) <=
scrollRect.height) {
this.mTabstrip.ensureElementIsVisible(aTab);
return;
}
this.mTabstrip._smoothScrollByPixels(this.mTabstrip._isRTLScrollbox ?
selected.bottom - scrollRect.bottom :
selected.top - scrollRect.top);
}
if (!this._animateElement.hasAttribute('notifybgtab')) {
this._animateElement.setAttribute('notifybgtab', 'true');
setTimeout(function (ele) {
ele.removeAttribute('notifybgtab');
}, 150, this._animateElement);
}
]]></body>
</method>
</implementation>
<handlers>
<handler event="drop"><![CDATA[
let tabbrowser = document.getElementById('tabbrowser-tabs');
let scrollbox = document.getAnonymousElementByAttribute(tabbrowser, 'anonid', 'arrowscrollbox');
let scrollbuttonDown = document.getAnonymousElementByAttribute(scrollbox, 'anonid', 'scrollbutton-down');
let scrollbuttonUp = document.getAnonymousElementByAttribute(scrollbox, 'anonid', 'scrollbutton-up');
scrollbuttonUp.onmouseout();
scrollbuttonDown.onmouseout();
]]></handler>
<handler event="dragover"><![CDATA[
let effects = '';
if (this._setEffectAllowedForDataTransfer) {
effects = this._setEffectAllowedForDataTransfer(event);
}
let ind = this._tabDropIndicator;
if (effects === '' || effects === 'none') {
ind.collapsed = true;
return;
}
event.preventDefault();
event.stopPropagation();
let tabStrip = this.mTabstrip;
let verticalTabs = this._verticalTabs;
let ltr = verticalTabs || (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
let pixelsToScroll = 0;
if (this.getAttribute('overflow') === 'true') {
let 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) {
// console.log('animateTabMove!');
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;
}
}
let rect = tabStrip.getBoundingClientRect();
let 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;
if (verticalTabs) {
let minMargin = scrollRect.top - rect.top;
let maxMargin = Math.min(minMargin + scrollRect.height,
scrollRect.bottom);
newMargin = (pixelsToScroll > 0) ? maxMargin : minMargin;
} else {
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 (verticalTabs) {
newMargin = tabRect.bottom - rect.top;
} else if (ltr) {
newMargin = tabRect.right - rect.left;
} else {
newMargin = rect.right - tabRect.left;
}
}
else {
let tabRect = this.childNodes[newIndex].getBoundingClientRect();
if (verticalTabs) {
newMargin = tabRect.top - rect.top;
} else if (ltr) {
newMargin = tabRect.left - rect.left;
} else {
newMargin = rect.right - tabRect.right;
}
}
}
ind.collapsed = false;
if (verticalTabs) {
newMargin += ind.clientHeight / 2;
} else {
newMargin += ind.clientWidth / 2;
}
if (!ltr) {
newMargin *= -1;
}
ind.style.transform = 'translate(' + Math.round(newMargin) + 'px)';
if (verticalTabs) {
ind.style.marginTop = (-ind.clientHeight) + 'px';
} else {
ind.style.MozMarginStart = (-ind.clientWidth) + 'px';
}
]]></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();
let dt = event.dataTransfer;
let 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
let eX = event.screenX;
let eY = event.screenY;
let wX = window.screenX;
let wY = window.screenY;
if (this._verticalTabs) {
// check if the drop point is horizontally within the window
if (eY > wY && eY < (wY + window.outerHeight)) {
let bo = this.mTabstrip.boxObject;
// also avoid detaching if the the tab was dropped too close to
// the tabbar (half a tab)
let endScreenX = bo.screenX + 1.5 * bo.width;
if (eX < endScreenX && eX > window.screenX) {
return;
}
}
} else {
// 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.
let 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
let winWidth = Math.min(window.outerWidth, sWidth.value);
let winHeight = Math.min(window.outerHeight, sHeight.value);
let left = Math.min(Math.max(eX - draggedTab._dragData.offsetX, sX.value),
sX.value + sWidth.value - winWidth);
let 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,
});
}
event.stopPropagation();
]]></handler>
</handlers>
</binding>
<binding id="tabbrowser-tab"
extends="chrome://browser/content/tabbrowser.xml#tabbrowser-tab">
<content context="tabContextMenu">
<xul:stack class="tab-stack" flex="1">
<xul:hbox xbl:inherits="pinned,selected,visuallyselected,fadein"
class="tab-background">
<xul:hbox xbl:inherits="pinned,selected,visuallyselected"
class="tab-background-start"/>
<xul:hbox xbl:inherits="pinned,selected,visuallyselected"
class="tab-background-middle"/>
<xul:hbox xbl:inherits="pinned,selected,visuallyselected"
class="tab-background-end"/>
</xul:hbox>
<xul:hbox xbl:inherits="pinned,selected,visuallyselected,titlechanged,attention"
class="tab-content" align="center">
<xul:hbox xbl:inherits="selected,visuallyselected"
class="tab-selected-indicator" role="presentation"/>
<xul:vbox xbl:inherits="fadein,pinned,selected,visuallyselected,busy,crashed,sharing"
class="tab-meta-image">
<html:canvas anonid="tab-meta-image"
width="54" height="40"/>
<xul:image xbl:inherits="fadein,pinned,busy,progress,selected,visuallyselected"
class="tab-throbber"
role="presentation"
layer="true" />
<xul:image xbl:inherits="src=image,fadein,pinned,selected,visuallyselected,busy,crashed,sharing"
anonid="tab-icon-image"
class="tab-icon-image"
validate="never"
role="presentation"/>
</xul:vbox>
<xul:image xbl:inherits="sharing,selected"
anonid="sharing-icon"
class="tab-sharing-icon-overlay"
role="presentation"/>
<xul:image xbl:inherits="crashed,busy,soundplaying,pinned,muted"
anonid="overlay-icon"
class="tab-icon-overlay"
role="presentation"/>
<xul:vbox class="title-wrapper" flex="1">
<xul:label xbl:inherits="value=label,crop,accesskey,fadein,pinned,selected,visuallyselected,attention"
class="tab-text"
role="presentation"/>
<xul:label xbl:inherits="value=address,crop,accesskey,fadein,pinned,selected,visuallyselected,attention"
class="tab-text address-label"
anonid="address-label"
role="presentation"/>
</xul:vbox>
<xul:image xbl:inherits="soundplaying,pinned,muted,visuallyselected"
anonid="soundplaying-icon"
class="tab-icon-sound"
role="presentation"/>
<xul:stack>
<xul:toolbarbutton anonid="close-button"
xbl:inherits="fadein,pinned,selected,visuallyselected"
class="tab-close-button close-icon"/>
<xul:vbox xbl:inherits="pinned"
class="pinned-icon"
role="presentation"/>
</xul:stack>
</xul:hbox>
</xul:stack>
</content>
<implementation>
<constructor><![CDATA[
const canvas = document.getAnonymousElementByAttribute(this, 'anonid', 'tab-meta-image');
canvas.width *= window.devicePixelRatio;
canvas.height *= window.devicePixelRatio;
if (window.VerticalTabs.getFirefoxVersion() >= 55) {
document.getAnonymousNodes(this)[0].getElementsByClassName('tab-throbber')[0].removeAttribute('layer');
}
]]></constructor>
<method name="refreshThumbAndLabel">
<body><![CDATA[
/* global VerticalTabs:false, PageThumbs:false */
if (!this.linkedBrowser) {
// too soon. Bail.
return;
}
let uri = VerticalTabs.getUri(this);
let url = uri.spec;
this.updateUriLabel(uri);
if (!this.parentNode.classList.contains('large-tabs')) {
// no need for images. Bail.
return;
}
const canvas = document.getAnonymousElementByAttribute(this, 'anonid', 'tab-meta-image');
const NEWTAB_URLS = ['about:newtab', 'about:blank', 'about:privatebrowsing'];
if (VerticalTabs.newTabImage && NEWTAB_URLS.includes(url)) {
const ctx = canvas.getContext('2d');
ctx.save();
ctx.scale(
canvas.width / VerticalTabs.newTabImage.width,
canvas.height / VerticalTabs.newTabImage.height
);
ctx.drawImage(VerticalTabs.newTabImage, 0, 0);
ctx.restore();
} else {
if (this.linkedBrowser.contentWindow) {
let x = {};
try {
//sometimes captureToCanvas throws errors, stop them here instead
this.linkedBrowser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).getPresShellId(x);
PageThumbs.captureToCanvas(this.linkedBrowser, canvas);
} catch (e) {
//sometimes we can't get the background thumb yet, ignore it.
}
} else {
PageThumbs.captureToCanvas(this.linkedBrowser, canvas);
}
}
]]></body>
</method>
<method name="updateUriLabel">
<parameter name="uri"/>
<body><![CDATA[
let label = uri.spec;
if (uri.scheme.startsWith('http')) {
label = uri.host;
}
// URI can be shown immediately
const HIDE_URL_FOR = ['about:blank', 'about:home', 'about:newtab',
'about:privatebrowsing', 'about:sessionrestore', 'about:welcomeback'];
if (label) {
if (HIDE_URL_FOR.includes(label)) {
this.removeAttribute('address');
} else {
this.setAttribute('address', label);
}
}
]]></body>
</method>
</implementation>
</binding>
</bindings>