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vertical-tabbrowser.xml
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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">
<binding id="tabbrowser-arrowscrollbox" extends="chrome://browser/content/tabbrowser.xml#tabbrowser-arrowscrollbox">
<implementation>
<property name="_verticalTabs" onget="return this.orient == 'vertical';"/>
<method name="_canScrollToElement">
<parameter name="tab"/>
<body><![CDATA[
return !tab.hidden;
]]></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._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);
let numberOfTabs = tabs.tabbrowser.visibleTabs.length;
if (numberOfTabs === 1) {
return;
}
tabs._handleTabSelect(false);
]]></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: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 rtl = false; //(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 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);
if (!pinned){
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)');
// 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 rtl ? -tabSize : tabSize;
}
if (tab._tPos > draggedTab._tPos && tab._tPos < dropIndex) {
return rtl ? 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;
}
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.
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>
</implementation>
<handlers>
<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>
</bindings>