RetroZilla/xpfe/components/bookmarks/resources/bookmarksMenu.js

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2015-10-21 05:03:22 +02:00
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Pierre Chanial <chanial@noos.fr>.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var BookmarksMenu = {
_selection:null,
_target:null,
_orientation:null,
//////////////////////////////////////////////////////////////////////////
// Fill a context menu popup with menuitems appropriate for the current
// selection.
createContextMenu: function (aEvent)
{
var target = document.popupNode;
if (!this.isBTBookmark(target.id) && target.id != "bookmarks-ptf")
return false;
target.focus() // buttons in the pt have -moz-user-focus: ignore -->
this._selection = this.getBTSelection(target);
this._orientation = this.getBTOrientation(aEvent, target);
this._target = this.getBTTarget(target, this._orientation);
BookmarksCommand.createContextMenu(aEvent, this._selection);
this.onCommandUpdate();
aEvent.target.addEventListener("mousemove", BookmarksMenuController.onMouseMove, false);
return true;
},
/////////////////////////////////////////////////////////////////////////
// Clean up after closing the context menu popup
destroyContextMenu: function (aEvent)
{
if (content)
content.focus();
BookmarksMenuDNDObserver.onDragRemoveFeedBack(document.popupNode); // needed on cancel
aEvent.target.removeEventListener("mousemove", BookmarksMenuController.onMouseMove, false);
},
/////////////////////////////////////////////////////////////////////////////
// returns the formatted selection from aNode
getBTSelection: function (aNode)
{
var item;
switch (aNode.id) {
case "bookmarks-ptf":
item = "NC:PersonalToolbarFolder";
break;
case "BookmarksMenu":
item = "NC:BookmarksRoot";
break;
default:
item = aNode.id;
}
if (!this.isBTBookmark(item))
return {length:0};
var parent = this.getBTContainer(aNode);
var isExpanded = aNode.hasAttribute("open") && aNode.open;
var selection = {};
selection.item = [RDF.GetResource(item)];
selection.parent = [RDF.GetResource(parent)];
selection.isExpanded = [isExpanded];
selection.length = selection.item.length;
BookmarksUtils.checkSelection(selection);
return selection;
},
/////////////////////////////////////////////////////////////////////////
// returns the insertion target from aNode
getBTTarget: function (aNode, aOrientation)
{
var item, parent, index;
switch (aNode.id) {
case "BookmarksMenu":
case "bookmarks-button":
parent = "NC:BookmarksRoot";
break;
case "bookmarks-ptf":
item = BookmarksToolbar.getLastVisibleBookmark();
// Continue to next case.
case "bookmarks-chevron":
parent = "NC:PersonalToolbarFolder";
break;
default:
if (aOrientation == BookmarksUtils.DROP_ON)
parent = aNode.id
else {
parent = this.getBTContainer(aNode);
item = aNode;
}
}
parent = RDF.GetResource(parent);
if (aOrientation == BookmarksUtils.DROP_ON)
return BookmarksUtils.getTargetFromFolder(parent);
item = RDF.GetResource(item.id);
RDFC.Init(BMDS, parent);
index = RDFC.IndexOf(item);
if (aOrientation == BookmarksUtils.DROP_AFTER)
++index;
return { parent: parent, index: index };
},
/////////////////////////////////////////////////////////////////////////
// returns the parent resource of a node in the personal toolbar.
// this is determined by inspecting the source element and walking up the
// DOM tree to find the appropriate containing node.
getBTContainer: function (aNode)
{
var parent;
var item = aNode.id;
if (!this.isBTBookmark(item))
return "NC:BookmarksRoot"
parent = aNode.parentNode.parentNode;
parent = parent.id;
switch (parent) {
case "BookmarksMenu":
case "bookmarks-button":
return "NC:BookmarksRoot";
case "PersonalToolbar":
case "bookmarks-chevron":
return "NC:PersonalToolbarFolder";
default:
return parent;
}
},
///////////////////////////////////////////////////////////////////////////
// returns true if the node is a bookmark, a folder or a bookmark separator
isBTBookmark: function (aURI)
{
if (!aURI)
return false;
var type = BookmarksUtils.resolveType(aURI);
return (type == "BookmarkSeparator" ||
type == "Bookmark" ||
type == "Folder" ||
type == "FolderGroup" ||
type == "PersonalToolbarFolder")
},
/////////////////////////////////////////////////////////////////////////
// returns true if the node is a container. -->
isBTContainer: function (aTarget)
{
return aTarget.localName == "menu" || (aTarget.localName == "toolbarbutton" &&
(aTarget.getAttribute("container") == "true" || aTarget.getAttribute("group") == "true"));
},
/////////////////////////////////////////////////////////////////////////
// returns BookmarksUtils.DROP_BEFORE, DROP_ON or DROP_AFTER accordingly
// to the event coordinates. Skin authors could break us, we'll cross that
// bridge when they turn us 90degrees. -->
getBTOrientation: function (aEvent, aTarget)
{
var target
if (!aTarget)
target = aEvent.target;
else
target = aTarget;
if (target.localName == "menu" &&
target.parentNode.localName != "menupopup")
return BookmarksUtils.DROP_ON;
if (target.id == "bookmarks-ptf") {
return target.hasChildNodes() ?
BookmarksUtils.DROP_AFTER : BookmarksUtils.DROP_ON;
}
if (target.id == "bookmarks-chevron")
return BookmarksUtils.DROP_ON;
var overButtonBoxObject = target.boxObject.QueryInterface(Components.interfaces.nsIBoxObject);
var overParentBoxObject = target.parentNode.boxObject.QueryInterface(Components.interfaces.nsIBoxObject);
var size, border;
var coordValue, clientCoordValue;
switch (target.localName) {
case "toolbarseparator":
case "toolbarbutton":
size = overButtonBoxObject.width;
coordValue = overButtonBoxObject.x;
clientCoordValue = aEvent.clientX;
break;
case "menuseparator":
case "menu":
case "menuitem":
size = overButtonBoxObject.height;
coordValue = overButtonBoxObject.screenY;
clientCoordValue = aEvent.screenY;
break;
default: return BookmarksUtils.DROP_ON;
}
if (this.isBTContainer(target))
if (target.localName == "toolbarbutton") {
// the DROP_BEFORE area excludes the label
var iconNode = document.getAnonymousElementByAttribute(target, "class", "toolbarbutton-icon");
border = parseInt(document.defaultView.getComputedStyle(target,"").getPropertyValue("padding-left")) +
parseInt(document.defaultView.getComputedStyle(iconNode ,"").getPropertyValue("width"));
border = Math.min(size/5,Math.max(border,4));
} else
border = size/5;
else
border = size/2;
// in the first region?
if (clientCoordValue-coordValue < border)
return BookmarksUtils.DROP_BEFORE;
// in the last region?
if (clientCoordValue-coordValue >= size-border)
return BookmarksUtils.DROP_AFTER;
// must be in the middle somewhere
return BookmarksUtils.DROP_ON;
},
/////////////////////////////////////////////////////////////////////////
// expand the folder targeted by the context menu.
expandBTFolder: function ()
{
var target = document.popupNode.lastChild;
if (document.popupNode.open)
target.hidePopup();
else
target.showPopup(document.popupNode);
},
onCommandUpdate: function ()
{
var selection = this._selection;
var target = this._target;
BookmarksController.onCommandUpdate(selection, target);
if (document.popupNode.id == "bookmarks-ptf") {
// disabling 'cut' and 'copy' on the empty area of the personal toolbar
var commandNode = document.getElementById("cmd_bm_cut");
commandNode.setAttribute("disabled", "true");
commandNode = document.getElementById("cmd_bm_copy");
commandNode.setAttribute("disabled", "true");
}
},
loadBookmark: function (aEvent, aDS)
{
if (this.isBTBookmark(aEvent.target.id))
BookmarksUtils.loadBookmarkBrowser(aEvent, aDS);
},
////////////////////////////////////////////////
// loads a bookmark with the middle mouse button
loadBookmarkMiddleClick: function (aEvent, aDS)
{
if (aEvent.type != "click" || aEvent.button != 1)
return;
// unlike for command events, we have to close the menus manually
for (var node = aEvent.target; node != aEvent.currentTarget;
node = node.parentNode) {
if (node.nodeType == node.ELEMENT_NODE && node.tagName == "menupopup")
node.hidePopup();
}
this.loadBookmark(aEvent, aDS);
}
}
var BookmarksMenuController = {
supportsCommand: BookmarksController.supportsCommand,
isCommandEnabled: function (aCommand)
{
// warning: this is not the function called in BookmarksController.onCommandUpdate
var selection = BookmarksMenu._selection;
var target = BookmarksMenu._target;
if (selection)
return BookmarksController.isCommandEnabled(aCommand, selection, target);
return false;
},
doCommand: function (aCommand)
{
BookmarksMenuDNDObserver.onDragRemoveFeedBack(document.popupNode);
var selection = BookmarksMenu._selection;
var target = BookmarksMenu._target;
switch (aCommand) {
case "cmd_bm_expandfolder":
setTimeout(BookmarksMenu.expandBTFolder, 0);
break;
default:
BookmarksController.doCommand(aCommand, selection, target);
}
},
onMouseMove: function (aEvent)
{
var command = aEvent.target.getAttribute("command");
var isDisabled = aEvent.target.getAttribute("disabled")
if (isDisabled != "true" && (command == "cmd_bm_newfolder" || command == "cmd_bm_paste")) {
BookmarksMenuDNDObserver.onDragSetFeedBack(document.popupNode, BookmarksMenu._orientation);
} else {
BookmarksMenuDNDObserver.onDragRemoveFeedBack(document.popupNode);
}
}
}
var BookmarksMenuDNDObserver = {
////////////////////
// Public methods //
////////////////////
onDragStart: function (aEvent, aXferData, aDragAction)
{
var target = aEvent.target;
// Prevent dragging from an invalid region
if (!this.canDrop(aEvent))
return;
// Prevent dragging out of menupopups on non Win32 platforms.
// a) on Mac drag from menus is generally regarded as being satanic
// b) on Linux, this causes an X-server crash, (bug 151336)
// c) on Windows, there is no hang or crash associated with this, so we'll leave
// the functionality there.
if (navigator.platform != "Win32" && target.localName != "toolbarbutton")
return;
// bail if dragging from the empty area of the bookmarks toolbar
if (target.id == "bookmarks-ptf")
return
// a drag start is fired when leaving an open toolbarbutton(type=menu)
// (see bug 143031)
if (this.isContainer(target) &&
target.getAttribute("group") != "true") {
if (this.isPlatformNotSupported)
return;
if (!aEvent.shiftKey && !aEvent.altKey && !aEvent.ctrlKey)
return;
// menus open on mouse down
target.firstChild.hidePopup();
}
var selection = BookmarksMenu.getBTSelection(target);
aXferData.data = BookmarksUtils.getXferDataFromSelection(selection);
},
onDragOver: function(aEvent, aFlavour, aDragSession)
{
var orientation = BookmarksMenu.getBTOrientation(aEvent)
if (aDragSession.canDrop)
this.onDragSetFeedBack(aEvent.target, orientation);
if (orientation != this.mCurrentDropPosition) {
// emulating onDragExit and onDragEnter events since the drop region
// has changed on the target.
this.onDragExit(aEvent, aDragSession);
this.onDragEnter(aEvent, aDragSession);
}
if (this.isPlatformNotSupported)
return;
if (this.isTimerSupported || !aDragSession.sourceNode)
return;
this.onDragOverCheckTimers();
},
onDragEnter: function (aEvent, aDragSession)
{
var target = aEvent.target;
var orientation = BookmarksMenu.getBTOrientation(aEvent);
if (target.localName == "menupopup" || target.id == "bookmarks-ptf")
target = target.parentNode;
if (aDragSession.canDrop) {
this.onDragSetFeedBack(target, orientation);
this.onDragEnterSetTimer(target, aDragSession);
}
this.mCurrentDragOverTarget = target;
this.mCurrentDropPosition = orientation;
},
onDragExit: function (aEvent, aDragSession)
{
var target = aEvent.target;
if (target.localName == "menupopup" || target.id == "bookmarks-ptf")
target = target.parentNode;
this.onDragRemoveFeedBack(target);
this.onDragExitSetTimer(target, aDragSession);
this.mCurrentDragOverTarget = null;
this.mCurrentDropPosition = null;
},
onDrop: function (aEvent, aXferData, aDragSession)
{
var target = aEvent.target;
this.onDragRemoveFeedBack(target);
var selection = BookmarksUtils.getSelectionFromXferData(aDragSession);
var orientation = BookmarksMenu.getBTOrientation(aEvent);
// For RTL PersonalBar bookmarks buttons, orientation should be inverted (only in drop case)
// because "before" (to the left) on the screen translates to "after" in the collection of items.
if (target.localName == "toolbarbutton")
if (window.getComputedStyle(document.getElementById("PersonalToolbar"),'').direction == 'rtl')
if (orientation == BookmarksUtils.DROP_AFTER)
orientation = BookmarksUtils.DROP_BEFORE;
else if (orientation == BookmarksUtils.DROP_BEFORE)
orientation = BookmarksUtils.DROP_AFTER;
var selTarget = BookmarksMenu.getBTTarget(target, orientation);
const kDSIID = Components.interfaces.nsIDragService;
const kCopyAction = kDSIID.DRAGDROP_ACTION_COPY + kDSIID.DRAGDROP_ACTION_LINK;
// hide the 'open in tab' menuseparator because bookmarks
// can be inserted after it if they are dropped after the last bookmark
// a more comprehensive fix would be in the menupopup template builder
var menuTarget = (target.localName == "toolbarbutton" ||
target.localName == "menu") &&
orientation == BookmarksUtils.DROP_ON?
target.lastChild:target.parentNode;
if (menuTarget.hasChildNodes() &&
menuTarget.lastChild.id == "openintabs-menuitem") {
menuTarget.removeChild(menuTarget.lastChild.previousSibling);
}
if (aDragSession.dragAction & kCopyAction)
BookmarksUtils.insertSelection("drag", selection, selTarget);
else
BookmarksUtils.moveSelection("drag", selection, selTarget);
var chevron = document.getElementById("bookmarks-chevron");
if (chevron.getAttribute("open") == "true") {
BookmarksToolbar.resizeFunc(null);
BookmarksToolbar.updateOverflowMenu(document.getElementById("bookmarks-chevron-popup"));
}
// show again the menuseparator
if (menuTarget.hasChildNodes() &&
menuTarget.lastChild.id == "openintabs-menuitem") {
var element = document.createElementNS(XUL_NS, "menuseparator");
menuTarget.insertBefore(element, menuTarget.lastChild);
}
},
canDrop: function (aEvent, aDragSession)
{
var target = aEvent.target;
// onDragStart calls this without a drag session
// There will be no sourceNode for drags from external apps
if (aDragSession && aDragSession.sourceNode) {
var orientation = BookmarksMenu.getBTOrientation(aEvent, target);
if (target == aDragSession.sourceNode ||
(target == aDragSession.sourceNode.previousSibling &&
orientation == BookmarksUtils.DROP_AFTER) ||
(target == aDragSession.sourceNode.nextSibling &&
orientation == BookmarksUtils.DROP_BEFORE))
return false;
}
return BookmarksMenu.isBTBookmark(target.id) &&
target.id != "NC:SystemBookmarksStaticRoot" &&
target.id.substring(0,5) != "find:" ||
target.id == "BookmarksMenu" ||
target.id == "bookmarks-button" ||
target.id == "bookmarks-chevron" ||
target.id == "bookmarks-ptf";
},
canHandleMultipleItems: true,
getSupportedFlavours: function ()
{
var flavourSet = new FlavourSet();
flavourSet.appendFlavour("moz/rdfitem");
flavourSet.appendFlavour("text/x-moz-url");
flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
flavourSet.appendFlavour("text/unicode");
return flavourSet;
},
////////////////////////////////////
// Private methods and properties //
////////////////////////////////////
springLoadedMenuDelay: 350, // milliseconds
isPlatformNotSupported: navigator.platform.indexOf("Mac") != -1, // see bug 136524
// Needs to be dynamically overridden (to |true|) in the case of an external drag: see bug 232795.
isTimerSupported: navigator.platform.indexOf("Win") == -1,
mCurrentDragOverTarget: null,
mCurrentDropPosition: null,
loadTimer : null,
closeTimer : null,
loadTarget : null,
closeTarget: null,
_observers : null,
get mObservers ()
{
if (!this._observers) {
this._observers = [
document.getElementById("bookmarks-ptf"),
document.getElementById("BookmarksMenu").parentNode,
document.getElementById("bookmarks-chevron").parentNode,
document.getElementById("PersonalToolbar")
]
}
return this._observers;
},
getObserverForNode: function (aNode)
{
if (!aNode)
return null;
var node = aNode;
var observer;
do {
for (var i=0; i < this.mObservers.length; i++) {
observer = this.mObservers[i];
if (observer == node)
return observer;
}
node = node.parentNode;
} while (node != document)
return null;
},
onDragCloseMenu: function (aNode)
{
var children = aNode.childNodes;
for (var i = 0; i < children.length; i++) {
if (this.isContainer(children[i]) &&
children[i].getAttribute("open") == "true") {
this.onDragCloseMenu(children[i].lastChild);
if (children[i] != this.mCurrentDragOverTarget || this.mCurrentDropPosition != BookmarksUtils.DROP_ON)
children[i].lastChild.hidePopup();
}
}
},
onDragCloseTarget: function ()
{
var currentObserver = this.getObserverForNode(this.mCurrentDragOverTarget);
// close all the menus not hovered by the mouse
for (var i=0; i < this.mObservers.length; i++) {
if (currentObserver != this.mObservers[i])
this.onDragCloseMenu(this.mObservers[i]);
else
this.onDragCloseMenu(this.mCurrentDragOverTarget.parentNode);
}
},
onDragLoadTarget: function (aTarget)
{
if (!this.mCurrentDragOverTarget)
return;
// Load the current menu
if (this.mCurrentDropPosition == BookmarksUtils.DROP_ON &&
this.isContainer(aTarget) &&
aTarget.getAttribute("group") != "true")
aTarget.lastChild.showPopup(aTarget);
},
onDragOverCheckTimers: function ()
{
var now = new Date().getTime();
if (this.closeTimer && now-this.springLoadedMenuDelay>this.closeTimer) {
this.onDragCloseTarget();
this.closeTimer = null;
}
if (this.loadTimer && (now-this.springLoadedMenuDelay>this.loadTimer)) {
this.onDragLoadTarget(this.loadTarget);
this.loadTimer = null;
}
},
onDragEnterSetTimer: function (aTarget, aDragSession)
{
if (this.isPlatformNotSupported)
return;
if (this.isTimerSupported || !aDragSession.sourceNode) {
var targetToBeLoaded = aTarget;
clearTimeout(this.loadTimer);
if (aTarget == aDragSession.sourceNode)
return;
var This = this;
this.loadTimer=setTimeout(function () {This.onDragLoadTarget(targetToBeLoaded)}, This.springLoadedMenuDelay);
} else {
var now = new Date().getTime();
this.loadTimer = now;
this.loadTarget = aTarget;
}
},
onDragExitSetTimer: function (aTarget, aDragSession)
{
if (this.isPlatformNotSupported)
return;
var This = this;
if (this.isTimerSupported || !aDragSession.sourceNode) {
clearTimeout(this.closeTimer)
this.closeTimer=setTimeout(function () {This.onDragCloseTarget()}, This.springLoadedMenuDelay);
} else {
var now = new Date().getTime();
this.closeTimer = now;
this.closeTarget = aTarget;
this.loadTimer = null;
// If the user isn't rearranging within the menu, close it
// To do so, we exploit a Mac bug: timeout set during
// drag and drop on Windows and Mac are fired only after that the drop is released.
// timeouts will pile up, we may have a better approach but for the moment, this one
// correctly close the menus after a drop/cancel outside the personal toolbar.
// The if statement in the function has been introduced to deal with rare but reproducible
// missing Exit events.
if (aDragSession.sourceNode.localName != "menuitem" && aDragSession.sourceNode.localName != "menu")
setTimeout(function () { if (This.mCurrentDragOverTarget) {This.onDragRemoveFeedBack(This.mCurrentDragOverTarget); This.mCurrentDragOverTarget=null} This.loadTimer=null; This.onDragCloseTarget() }, 0);
}
},
onDragSetFeedBack: function (aTarget, aOrientation)
{
switch (aTarget.localName) {
case "toolbarseparator":
case "toolbarbutton":
switch (aOrientation) {
case BookmarksUtils.DROP_BEFORE:
aTarget.setAttribute("dragover-left", "true");
break;
case BookmarksUtils.DROP_AFTER:
aTarget.setAttribute("dragover-right", "true");
break;
case BookmarksUtils.DROP_ON:
aTarget.setAttribute("dragover-top" , "true");
aTarget.setAttribute("dragover-bottom", "true");
aTarget.setAttribute("dragover-left" , "true");
aTarget.setAttribute("dragover-right" , "true");
break;
}
break;
case "menuseparator":
case "menu":
case "menuitem":
switch (aOrientation) {
case BookmarksUtils.DROP_BEFORE:
aTarget.setAttribute("dragover-top", "true");
break;
case BookmarksUtils.DROP_AFTER:
aTarget.setAttribute("dragover-bottom", "true");
break;
case BookmarksUtils.DROP_ON:
break;
}
break;
case "toolbar":
var newTarget = BookmarksToolbar.getLastVisibleBookmark();
if (newTarget)
newTarget.setAttribute("dragover-right", "true");
break;
case "hbox":
case "menupopup": break;
default: dump("No feedback for: "+aTarget.localName+"\n");
}
},
onDragRemoveFeedBack: function (aTarget)
{
var newTarget;
var bt;
if (aTarget.id == "PersonalToolbar" || aTarget.id == "bookmarks-ptf") {
newTarget = BookmarksToolbar.getLastVisibleBookmark();
if (newTarget)
newTarget.removeAttribute("dragover-right");
} else {
aTarget.removeAttribute("dragover-left");
aTarget.removeAttribute("dragover-right");
aTarget.removeAttribute("dragover-top");
aTarget.removeAttribute("dragover-bottom");
}
},
onDropSetFeedBack: function (aTarget)
{
//XXX Not yet...
},
isContainer: function (aTarget)
{
return aTarget.localName == "menu" ||
aTarget.localName == "toolbarbutton" &&
aTarget.getAttribute("type") == "menu";
}
}
var BookmarksToolbar =
{
/////////////////////////////////////////////////////////////////////////////
// make bookmarks toolbar act like menus
openMenuButton: null,
autoOpenMenu: function (aTarget)
{
if (this.openMenuButton &&
this.openMenuButton != aTarget &&
aTarget.localName == "toolbarbutton" &&
(aTarget.type == "menu" ||
aTarget.type == "menu-button")) {
this.openMenuButton.open = false;
aTarget.open = true;
}
},
onMenuOpen: function (aTarget)
{
if (aTarget.parentNode.localName == "toolbarbutton")
this.openMenuButton = aTarget.parentNode;
},
onMenuClose: function (aTarget)
{
if (aTarget.parentNode.localName == "toolbarbutton")
this.openMenuButton = null;
},
/////////////////////////////////////////////////////////////////////////////
// returns the node of the last visible bookmark on the toolbar -->
getLastVisibleBookmark: function ()
{
var buttons = document.getElementById("bookmarks-ptf");
var button = buttons.firstChild;
if (!button)
return null; // empty bookmarks toolbar
do {
if (button.collapsed)
return button.previousSibling;
button = button.nextSibling;
} while (button)
return buttons.lastChild;
},
updateOverflowMenu: function (aMenuPopup)
{
var hbox = document.getElementById("bookmarks-ptf");
for (var i = 0; i < hbox.childNodes.length; i++) {
var button = hbox.childNodes[i];
var menu = aMenuPopup.childNodes[i];
if (menu.hidden == button.collapsed)
menu.hidden = !menu.hidden;
}
},
resizeFunc: function(event)
{
if (!event) // timer callback case
BookmarksToolbarRDFObserver._overflowTimerInEffect = false;
// XXXcst - work around bug 295340 (broken event targets) on 1.8 branch
//else if (event.target != document)
// return; // only interested in chrome resizes
var buttons = document.getElementById("bookmarks-ptf");
if (!buttons)
return;
var chevron = document.getElementById("bookmarks-chevron");
if (!buttons.firstChild) {
// No bookmarks means no chevron
chevron.collapsed = true;
return;
}
chevron.collapsed = false;
var chevronWidth = chevron.boxObject.width;
chevron.collapsed = true;
var remainingWidth = buttons.boxObject.width;
var overflowed = false;
for (var i=0; i<buttons.childNodes.length; i++) {
var button = buttons.childNodes[i];
button.collapsed = overflowed;
if (i == buttons.childNodes.length - 1)
chevronWidth = 0;
remainingWidth -= button.boxObject.width;
if (remainingWidth < chevronWidth) {
overflowed = true;
// This button doesn't fit. Show it in the menu. Hide it in the toolbar.
if (!button.collapsed)
button.collapsed = true;
if (chevron.collapsed) {
chevron.collapsed = false;
}
}
}
},
// Fill in tooltips for personal toolbar (and Bookmarks menu).
fillInBTTooltip: function (tipElement)
{
// Don't show a tooltip for non bookmark related elements.
if (!/bookmark/.test(tipElement.className))
return false;
var title = tipElement.label;
var url = tipElement.statusText;
// Don't show a tooltip without any data.
if (!title && !url)
return false;
var tooltipElement = document.getElementById("btTitleText");
tooltipElement.hidden = !title || (title == url);
if (!tooltipElement.hidden)
tooltipElement.setAttribute("value", title);
tooltipElement = document.getElementById("btUrlText");
tooltipElement.hidden = !url;
if (!tooltipElement.hidden)
tooltipElement.setAttribute("value", url);
// Show the tooltip.
return true;
}
}
// Implement nsIRDFObserver so we can update our overflow state when items get
// added/removed from the toolbar
var BookmarksToolbarRDFObserver =
{
onAssert: function (aDataSource, aSource, aProperty, aTarget)
{
this.setOverflowTimeout(aSource, aProperty);
},
onUnassert: function (aDataSource, aSource, aProperty, aTarget)
{
this.setOverflowTimeout(aSource, aProperty);
},
onChange: function (aDataSource, aSource, aProperty, aOldTarget, aNewTarget) {},
onMove: function (aDataSource, aOldSource, aNewSource, aProperty, aTarget) {},
onBeginUpdateBatch: function (aDataSource) {},
onEndUpdateBatch: function (aDataSource)
{
if (this._overflowTimerInEffect)
return;
this._overflowTimerInEffect = true;
setTimeout(BookmarksToolbar.resizeFunc, 0, null);
},
_overflowTimerInEffect: false,
setOverflowTimeout: function (aSource, aProperty)
{
if (this._overflowTimerInEffect)
return;
if (aSource.Value != "NC:PersonalToolbarFolder" || aProperty.Value == NC_NS+"LastModifiedDate")
return;
this._overflowTimerInEffect = true;
setTimeout(BookmarksToolbar.resizeFunc, 0, null);
}
}