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bootstrap.js
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bootstrap.js
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const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/AddonManager.jsm");
const EXT_ID = "tabgroupsmenu@char.cc";
const global = this;
let PROTOCOL = "tabgroupsmenu";
const PREFIX = "grouptabs-";
const GROUPS_MENU_ID = PREFIX + "menu";
const GROUPS_POPUP_ID = PREFIX + "menu-popup";
const GROUPS_MENU_LABEL = "Groups";
const TABS_POPUP_ID = PREFIX + "cgp";
const GROUP_MENUITEM_CONTEXT_ID = PREFIX + "context-group";
const TAB_MENUITEM_CONTEXT_ID = PREFIX + "context-tab";
const GROUPS_BTN_ID = PREFIX + "btn";
const GROUPS_BTNPOPUP_ID = PREFIX + "btn-popup";
const BUTTON_MENU_ID = PREFIX + "btn-menu";
const BUTTON_POPUP_ID = PREFIX + "btn-popup";
const TABVIEW_BUTTON_ID = "tabview-button";
const TABVIEW_BUTTON_ID_ALT = "tabGroups-tabview-button";
const POPUP_CLASS = PREFIX + "popup"; // for CSS styling
const GROUP_SEPARATOR = " \u2022 ";
const BUTTON_LEFT = 0;
const BUTTON_MIDDLE = 1;
const BUTTON_RIGHT = 2;
const KEY_CTRL = 17;
function processWindow(window) {
var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
var i = 0;
(function callback() {
if (window.TabView && window.TabView.getContentWindow())
processPanorama(window);
else if (++i < 10)
timer.initWithCallback({
notify: function() {
window.TabView ? window.TabView._initFrame(callback) : callback();
}
}, 100, Ci.nsITimer.TYPE_ONE_SHOT);
})();
}
function processPanorama(window) {
let {document, gBrowser} = window;
let gTabView = window.TabView;
let GroupItems = gTabView.getContentWindow().GroupItems;
let deleteList = [];
let {$, $E, $EL, $F} = createGeneralFuncs(window);
let GU = createGroupFuncs(window);
let WU = createWindowFuncs(window);
let UI = createUIFuncs(window);
// Install window preference observer
let prefsObserver = {
register: function() {
this.unloads = {}; // storage of unload functions
this.state = {};
for (let pref in PREFS)
this.state[pref] = false;
this.isUnload = false;
this.branch = Services.prefs.getBranch(PREF_BRANCH);
this.branch.QueryInterface(Ci.nsIPrefBranch);
this.branch.addObserver("", this, false);
return function() {
prefsObserver.unregister();
prefsObserver.unload();
}
},
unregister: function() {
if (! this.branch) return;
this.branch.removeObserver("", this);
},
observe: function(subject, topic, data) {
if (this[data] !== undefined) {
let status = getPref(data);
if (status != this.state[data]) {
this[data](data, status);
this.state[data] = status;
let self = this;
if (status)
this.addUnload(data, function() {
self[data](data, false)
});
else
this.clearUnload(data);
}
}
},
trigger: function(pref) {
this.observe(null, null, pref);
},
// if pref is given then add callback else run callbacks
addUnload: function(pref, callback) {
if (typeof(this.unloads[pref]) == "function")
this.unloads[pref] = function() { this.unloads[pref](); callback(); };
else
this.unloads[pref] = callback;
},
clearUnload: function(pref) {
if (this.unloads[pref] != undefined)
delete this.unloads[pref];
},
unload: function() {
this.isUnload = true;
for (let key in this.unloads) {
this.unloads[key]();
}
},
openOnMouseOver: function(pref, status) {
let groupmenu = $(GROUPS_MENU_ID);
if (status) {
if (! this.isUnload) {
if (groupmenu) {
groupmenu.addEventListener("mouseover", onMouseOverMenu, true);
groupmenu.addEventListener("click", onMouseOverMenu, true);
}
UI.withTabsMenu(menu => {
menu.addEventListener("mouseover", onMouseOverMenu, true);
menu.addEventListener("click", onMouseOverMenu, true);
});
}
} else {
if (groupmenu) {
groupmenu.removeEventListener("mouseover", onMouseOverMenu, true);
groupmenu.removeEventListener("click", onMouseOverMenu, true);
}
UI.withTabsMenu(menu => {
menu.removeEventListener("mouseover", onMouseOverMenu, true);
menu.removeEventListener("click", onMouseOverMenu, true);
});
}
},
showTabsMenu: function(pref, status) {
if (status) {
if (! this.isUnload)
updateMenubarMenus();
} else {
removeMenubarMenus();
}
},
sortGroupNames: function(pref, status) {
if (status)
GU.sortGroups();
},
_getButtonPopup: function() {
let btnPopup = $(GROUPS_BTNPOPUP_ID);
if (! btnPopup) {
let tabviewButton = $(TABVIEW_BUTTON_ID_ALT, TABVIEW_BUTTON_ID);
if (tabviewButton) {
btnPopup = $E("menupopup", {
id: GROUPS_BTNPOPUP_ID,
class: POPUP_CLASS // this must be addes so that css rules above works
});
btnPopup.addEventListener("popupshowing", e => showGroupsMenu(btnPopup), false);
// Prevent firefox toolbar context menu
btnPopup.addEventListener("context", function(event) {
event.preventDefault();
event.stopPropagation();
}, false);
tabviewButton.appendChild(btnPopup);
}
}
return btnPopup;
},
_removeButtonPopup: function() {
let tabviewButton = $(TABVIEW_BUTTON_ID_ALT, TABVIEW_BUTTON_ID);
let btnpopup = $(GROUPS_BTNPOPUP_ID);
if (tabviewButton && btnpopup)
tabviewButton.removeChild(btnpopup);
},
addButtonMenu: function(pref, status) {
let tabviewButton = $(TABVIEW_BUTTON_ID_ALT, TABVIEW_BUTTON_ID);
if (status) {
let btnpopup = this._getButtonPopup();
if (tabviewButton && btnpopup)
tabviewButton.setAttribute("type", "menu-button");
} else {
if (tabviewButton)
tabviewButton.removeAttribute("type");
}
if (! (status || getPref("replacePanoramaButton")) || this.isUnload)
this._removeButtonPopup();
},
replacePanoramaButton: function(pref, status) {
let tabviewButton = $(TABVIEW_BUTTON_ID_ALT, TABVIEW_BUTTON_ID);
console.log(tabviewButton);
console.log(status);
if (status) {
let btnpopup = this._getButtonPopup();
if (tabviewButton && btnpopup)
tabviewButton.addEventListener("click", onMouseClickButton, true);
} else {
if (tabviewButton)
tabviewButton.removeEventListener("click", onMouseClickButton, true);
}
if (! (status || getPref("addButtonMenu")) || this.isUnload)
this._removeButtonPopup();
},
showTabCount: function(pref, status) {
updateMenuLabels();
},
showGroupCount: function(pref, status) {
updateMenuLabels();
}
};
unload(prefsObserver.register());
function onSelectTabMenuItem(event) {
if (! event.ctrlKey) {
// Select tab and close menu
WU.selectTab(event.target.value);
UI.closePopup();
} else {
// Mark multiple selection
let menuitem = event.target;
let cls = menuitem.hasAttribute("class") ? menuitem.getAttribute("class") + " " : "";
if (! cls.match(/marked/)) {
menuitem.setAttribute("class", cls + "marked");
} else {
menuitem.setAttribute("class", cls.replace(/\s*\bmarked\b/, ""));
}
}
}
function onCreateGroup(event) {
let [ret, name, openInBg] = WU.promptCheck("Create New Group", "Enter group title:", "", "Open in background");
if (ret && name != null && name.length) {
name = name.trim();
if (name) {
if (GU.findGroup(name)) {
WU.alert("Cannot create group", 'Group "' + name + '" already exists');
return;
}
GU.createGroup(name, null, openInBg);
if (getPref("sortGroupNames")) {
GU.sortGroups();
}
}
}
}
function onCreateSubGroup(event) {
let group = null;
if (document.popupNode) {
// Called from context menu
group = GU.findGroup(document.popupNode.value);
} else {
group = GroupItems.getActiveGroupItem();
}
if (! group) {
return;
}
if (group.getTitle() === "") {
// Don't create a subgroup of anonymous group
return;
}
let title = group.getTitle();
let [ret, name, openInBg] = WU.promptCheck("Create Subgroup of " + title, "Enter group title:", "", "Open in background");
if (ret && name != null && name.length) {
name = name.trim();
if (name) {
let pathTitle = GU.joinTitle(title, name);
if (GU.findGroup(pathTitle)) {
WU.alert("Cannot create group", 'Group "' + name + '" already exists as child of "' + title + '"');
return;
}
GU.createGroup(name, title, openInBg);
if (getPref("sortGroupNames")) {
GU.sortGroups();
}
}
}
}
function onBookmarkGroup(event) {
let group = GU.findGroup(document.popupNode.value);
GU.bookmarkGroup(group);
}
// Triggered by "Open New Tab" menuitem in empty group
function onCreateTabInGroup(event) {
let group = GU.findGroup(event.target.value);
GU.createTabInGroup(group, true);
let urlbar = $("urlbar");
if (urlbar) urlbar.focus();
}
// Todo: select unloaded tab
function onCloseGroup(event) {
let menu = document.popupNode;
let group = GU.findGroup(menu.value);
let title = GU.getTitle(group);
let popup = UI.findPopup(menu);
// close = really close, closeAll = undoable close, closeHidden = close previously closeAll-ed group?
if (WU.confirm("Close Group", "Really close this group and its children: \"" + title + "\" ?\n\nWarning: this operations cannot be undone!")) {
GU.closeGroup(group);
if (getPref("sortGroupNames")) {
// Just in case closing group change the sorting
GU.sortGroups();
}
updateMenubarMenus();
}
// Reopen menu
if (getPref("keepMenuOpen"))
UI.openPopup(popup, title);
}
function onCloseCurrentGroup(event) {
let group = GroupItems.getActiveGroupItem();
if (group) {
if (WU.confirm("Close Group", "Really close this group and its children: \"" + GU.getTitle(group) + "\" ?\n\nWarning: this operations cannot be undone!")) {
GU.closeGroup(group);
if (getPref("sortGroupNames")) {
GU.sortGroups();
}
updateMenubarMenus();
}
}
}
function onRenameGroup(event) {
let group = null;
if (document.popupNode) {
// Called from context menu
group = GroupItems.groupItem(document.popupNode.value);
} else {
group = GroupItems.getActiveGroupItem();
}
if (! group) return;
let title = group.getTitle();
let parts = title.split(GROUP_SEPARATOR);
let oldname = parts.pop();
let newname = WU.prompt("Rename Group (" + GU.getTitle(group) + ")", "New group name: ", oldname);
if (newname) {
newname = newname.trim();
if (newname && newname != oldname) {
let fullname = parts.length > 0 ? parts.join(GROUP_SEPARATOR) + GROUP_SEPARATOR + newname : newname;
if (GroupItems.groupItems.some(function(group) { return group.getTitle() == fullname })) {
WU.alert("Failed to rename group", "Group with title \"" + newname + "\" already exists.");
return;
}
GU.renameGroup(group, newname);
if (getPref("sortGroupNames")) {
GU.sortGroups();
}
updateMenubarLabels();
}
}
// Reopen menu
if (getPref("keepMenuOpen")) {
let popup = UI.findPopup(document.popupNode || event.target);
UI.openPopup(popup, group);
}
updateMenubarLabels();
}
function onSelectGroupByName(event) {
GU.selectGroup(event.target.value);
}
function onGroupMenuItemClick(event) {
switch (event.button) {
case BUTTON_LEFT: {
// Select group
if (GU.selectGroup(GU.findGroup(event.target.value)))
UI.closePopup(); // close menu if group successfully selected
break;
}
case BUTTON_RIGHT: {
// Populate context menu
let popup = $(GROUP_MENUITEM_CONTEXT_ID).childNodes[2].childNodes[0];
UI.clearPopup(popup);
let groups = [];
let gid = event.target.value;
let group = GroupItems.groupItem(gid);
if (! group) {
return;
}
let srcTitle = group.getTitle();
GroupItems.groupItems.forEach(function(gr) {
// Don't filter the disabled target here otherwise the tree structure might get broken
groups.push([gr.id, GU.getTitle(gr)]);
});
// must be sorted even though sortGroupNames = true
groups.sort(function(a, b) { return a[1].localeCompare(b[1]); });
let stack = [];
let parent = popup;
let addMoveHere = function(parent) {
parent.appendChild($E("menuseparator"));
parent.appendChild($E("menuitem", {
label: "Move Here",
value: parent.parentNode.value[0],
disabled: ! GU.canMove(srcTitle, parent.parentNode.value[1])
}, {
command: onMoveGroups
}));
};
for (let i = 0, n = groups.length; i < n; ++i) {
let level = GU.getLevel(groups[i][1]);
let nextLevel = (i < (n-1)) ? GU.getLevel(groups[i+1][1]) : level;
//LOG($F("{0} level {1} nextLevel {2}", groups[i][1], level, nextLevel));
if (level < nextLevel) {
let _menu = $E("menu", {
label: GU.splitTitle(groups[i][1]).name,
value: groups[i] // value type is an array
});
let _popup = $E("menupopup");
_menu.appendChild(_popup);
parent.appendChild(_menu);
stack.push(parent);
parent = _popup;
} else {
parent.appendChild($E("menuitem", {
label: GU.splitTitle(groups[i][1]).name,
value: groups[i][0],
disabled: ! GU.canMove(srcTitle, groups[i][1])
}, {
command: onMoveGroups
}));
if (level > nextLevel) {
addMoveHere(parent);
let diff = level - nextLevel;
while (diff-- > 0) {
parent = stack.pop();
if (diff > 0)
addMoveHere(parent);
}
}
}
}
if (stack.length) {
addMoveHere(parent);
while (stack.length > 1) {
addMoveHere(stack.pop());
}
}
// Move group to top
if (group.getTitle().indexOf(GROUP_SEPARATOR) != -1) {
popup.appendChild($E("menuseparator"));
popup.appendChild($E("menuitem", {
label: "Top",
value: null
}, {
command: onMoveGroups
}));
}
break;
}
}
}
// Triggered by "New Tab" menuitem in group context menu
function onOpenNewTab(event) {
let group = GroupItems.groupItem(document.popupNode.value);
GU.createTabInGroup(group);
let urlbar = $("urlbar");
if (urlbar) urlbar.focus();
}
function onGroupPopupShowing(event) {
deleteList = [];
}
function onGroupPopupHiding(event) {
if (deleteList.length) {
let tabs = [];
while (deleteList.length) {
tabs.push(gBrowser.tabs[deleteList.pop()]);
}
tabs.forEach(function(tab) {
if (tab)
gBrowser.removeTab(tab);
});
GU.preventEmptyActiveGroup();
}
}
function onMouseClickMenu(event) {
let menu = event.target;
if ((menu.id == GROUPS_MENU_ID || UI.isTabsMenu(menu)) && ! menu.open) {
let menubar = menu.parentNode;
for (let i = 0, n = menubar.childNodes.length; i < n; i++) {
if (menubar.childNodes[i].open) {
menubar.childNodes[i].open = false;
}
}
UI.closePopup();
menu.open = true;
}
}
function onMouseOverMenu(event) {
onMouseClickMenu(event);
}
function onMouseClickButton(event) {
if (event.target.id == TABVIEW_BUTTON_ID_ALT || event.target.id == TABVIEW_BUTTON_ID) {
let popup = $(BUTTON_POPUP_ID);
if (popup) {
popup.hidePopup();
popup.openPopup(event.target, "after_start", 0, 0, false, false);
}
event.stopPropagation();
event.preventDefault();
}
}
function onMouseOverButton(event) {
onMouseClickButton(event);
}
// Click = switch to tab
// Ctrl + Click = mark tab for multiple selection
// Middle click = close button
// Right click = show context menu
function onTabMenuItemClick(event) {
switch (event.button) {
case BUTTON_MIDDLE: {
// Can't directly remove tab because then the tabindex would have been changing
deleteList.push(event.target.value);
let popup = event.target.parentNode;
popup.removeChild(event.target);
event.stopPropagation();
// The menu labels still showing the wrong tab count at this point (we let it be like that)
// The menu labels will be updated after closing the menu
break;
}
case BUTTON_RIGHT: {
let context = $(TAB_MENUITEM_CONTEXT_ID);
UI.clearPopup(context);
let selected = UI.getSelectedTabs(event.target);
let ntabs = selected.length > 1 ? selected.length + " " : "";
let s = selected.length > 1 ? "s" : "";
let menu = $E("menu", { label: $F("Move {0}to Group", (ntabs > 1 ? (ntabs + " Tabs ") : "")) });
let popup = $E("menupopup");
let srcGroupId = event.target.getAttribute("groupid");
// Add move to current group
let currentGroup = GroupItems.getActiveGroupItem();
if (currentGroup && currentGroup.id != srcGroupId) {
popup.appendChild($E("menuitem", {
label: "Current Group: " + GU.splitTitle(currentGroup.getTitle()).name,
value: currentGroup.id
}, {
command: onMoveTabs
}));
popup.appendChild($E("menuseparator"));
}
let groups = [];
GroupItems.groupItems.forEach(function(gr) {
groups.push([gr.id, GU.getTitle(gr)]);
});
// must be sorted even thought sortGroupNames = true
groups.sort(function(a, b) { return a[1].localeCompare(b[1]); });
let stack = [];
let parent = popup;
let addMoveHere = function(parent) {
parent.appendChild($E("menuseparator"));
parent.appendChild($E("menuitem", {
label: "Move Here",
value: parent.parentNode.value[0],
disabled: parent.parentNode.value[0] == srcGroupId
}, {
command: onMoveTabs
}));
};
for (let i = 0, n = groups.length; i < n; ++i) {
let level = GU.getLevel(groups[i][1]);
let nextLevel = (i < (n-1)) ? GU.getLevel(groups[i+1][1]) : level;
//LOG($F("{0} level {1} nextLevel {2}", groups[i][1], level, nextLevel));
if (level < nextLevel) {
let _menu = $E("menu", {
label: GU.splitTitle(groups[i][1]).name,
value: groups[i] // not a typo, the value is an array
});
let _popup = $E("menupopup");
_menu.appendChild(_popup);
parent.appendChild(_menu);
stack.push(parent);
parent = _popup;
} else {
parent.appendChild($E("menuitem", {
label: GU.splitTitle(groups[i][1]).name,
value: groups[i][0],
disabled: groups[i][0] == srcGroupId
}, {
command: onMoveTabs
}));
if (level > nextLevel) {
addMoveHere(parent);
let diff = level - nextLevel;
while (diff-- > 0) {
parent = stack.pop();
if (diff > 0)
addMoveHere(parent);
}
}
}
}
if (stack.length) {
addMoveHere(parent);
while (stack.length > 1) {
addMoveHere(stack.pop());
}
}
menu.appendChild(popup);
context.appendChild(menu);
context.appendChild($E("menuitem", {
label: $F("Close {0}Tab{1}", ntabs, s),
closemenu: "single" // close the context menu only
}, {
command: onCloseTabs
}));
event.stopPropagation(); // prevent reaching the menu (group) click handler
break;
}
}
}
function onCloseTabs(event) {
let menuitems = UI.getSelectedTabs(document.popupNode);
if (menuitems.length == 0)
return;
let popup = document.popupNode.parentNode;
menuitems.forEach(function(item) {
deleteList.push(item.value);
popup.removeChild(item);
});
}
function onMoveTabs(event) {
let menuitems = UI.getSelectedTabs(document.popupNode);
if (menuitems.length == 0)
return;
let tabitem = $T(gBrowser.tabs[menuitems[0].value]);
let srcGroup = tabitem ? tabitem.parent : null;
let targetGroupId = event.target.value;
// LOG("Moving tabs to " + GroupItems.groupItem(targetGroupId).getTitle());
// menuitems.forEach(function(item) LOG("Moving " + gBrowser.tabs[item.value].getAttribute("label")));
// return;
let tabs = [];
menuitems.forEach(function(item) { return tabs.push(gBrowser.tabs[item.value]); });
tabs.forEach(function(tab) {
if (tab.pinned) {
// unpin tab first
gBrowser.unpinTab(tab);
}
GroupItems.moveTabToGroupItem(tab, targetGroupId);
});
GU.preventEmptyActiveGroup();
// Reopen menu
if (getPref("keepMenuOpen"))
UI.openPopup(UI.findPopup(document.popupNode), srcGroup, true);
}
function onMoveGroups(event) {
let src = GroupItems.groupItem(document.popupNode.value);
let dst = GroupItems.groupItem(event.target.value);
GU.moveGroup(src, dst);
if (getPref("sortGroupNames"))
GU.sortGroups();
}
function getGroupsMenuLabel(isTabClose) {
isTabClose = isTabClose || false;
let title = GROUPS_MENU_LABEL;
if (GroupItems && (getPref("showTabCount") || getPref("showGroupCount"))) {
title += " (";
if (getPref("showTabCount")) {
let tabCount = WU.getNumberOfTabs();
if (tabCount == null || tabCount == undefined) {
tabCount = "-";
} else if (isTabClose) {
tabCount--; // this event is triggered before the tab is removed
}
title += tabCount + "/";
}
if (getPref("showGroupCount")) {
let groupCount = GU.getNumberOfGroups();
if (groupCount == null && groupCount == undefined) {
groupCount = "-";
}
title += groupCount;
}
title += ")";
}
return title;
}
// Called when switching tab
function onTabSelectHandler(event) {
let group = GroupItems.getActiveGroupItem();
updateMenubarMenus();
}
function updateMenubarLabels() {
if (GroupItems) {
let group = GroupItems.getActiveGroupItem();
let parts = GU.getTitle(group).split(GROUP_SEPARATOR);
for (let i = 0, n = parts.length; i < n; ++i) {
let menu = $("TABGROUPS_MENU_LEVEL_" + i);
if (typeof menu !== "undefined")
if (menu.getAttribute("title") != parts[i])
menu.setAttribute("title", parts[i]);
}
}
}
// Update menus in the menubar based on current group hierarchy
// TabGroups -> Parent Group -> Group
function updateMenubarMenus() {
if (! getPref("showTabsMenu"))
return;
if (GroupItems) {
let group = GroupItems.getActiveGroupItem();
let title = GU.getTitle(group);
let parts = title.split(GROUP_SEPARATOR);
let curr_path = "";
let curr_group = null;
let i = 0;
for (n = parts.length; i < n; ++i) {
if (curr_path != "")
curr_path += GROUP_SEPARATOR;
curr_path += parts[i];
curr_group = GU.findGroup(curr_path);
let menu_id = "TABGROUPS_MENU_LEVEL_" + i;
let menu_menu = $(menu_id);
if (! menu_menu) {
menu_menu = $E("menu", { id: menu_id, label: parts[i], group_id: curr_group.id, class: "tabgroupsmenu-tabs-menu" });
let popup = $E("menupopup", { class: "grouptabs-popup" });
popup.addEventListener("popupshowing", onShowTabsMenu, false);
menu_menu.appendChild(popup);
if (getPref("openOnMouseOver")) {
menu_menu.addEventListener("mouseover", onMouseOverMenu, true);
menu_menu.addEventListener("click", onMouseOverMenu, true);
}
let menubar = $("main-menubar");
menubar.insertBefore(menu_menu, menubar.lastChild);
} else if (menu_menu.getAttribute("group_id") != curr_group.id) {
menu_menu.setAttribute("group_id", curr_group.id);
menu_menu.setAttribute("label", parts[i]);
}
}
// remove the rest of the menu (if any)
let menu = null;
do {
menu = $("TABGROUPS_MENU_LEVEL_" + i);
if (menu) {
menu.parentNode.removeChild(menu);
}
} while (menu);
}
}
function removeMenubarMenus() {
for (let i = 0; i < 10; ++i) {
let menu = $(`TABGROUPS_MENU_LEVEL_${i}`);
if (menu)
menu.parentNode.removeChild(menu);
}
}
function updateMenuLabels(isTabClose) {
let groupsMenu = $(GROUPS_MENU_ID);
if (groupsMenu)
groupsMenu.setAttribute("label", getGroupsMenuLabel(isTabClose));
}
function onTabOpenHandler(event) {
if (GroupItems) {
updateMenubarMenus();
updateMenuLabels();
}
}
function onTabCloseHandler(event) {
if (GroupItems) {
updateMenubarMenus();
updateMenuLabels(true);
}
}
function onTabMoveHandler(event) {
if (GroupItems)
updateMenubarMenus();
}
// DRAG DROP //////////////////////////////////////////////////////////////////////////////////////
function onTabDragStart(event) {
let target = event.target; // could be a menuitem (tab) or menu (group)
let canMove = true;
if (target.tagName == "menuitem") {
// Dragging a tab menu item
let tab = gBrowser.tabs[target.value];
if (! tab || tab.pinned)
canMove = false;
} else {
// Dragging a menu i.e. a group
let group = GroupItems.groupItem(event.target.value);
if (group.getTitle() == "") {
WU.alert("Cannot Drag Anonymous Group", "Please set a title first for the group before dragging it.");
canMove = false;
}
}
if (canMove) {
let dt = event.dataTransfer;
dt.effectAllowed = "move";
dt.dropEffect = "move";
dt.mozSetDataAt("plain/text", target.value, 0); // value
dt.mozSetDataAt("plain/text", target.tagName, 1); // type
event.stopPropagation();
} else {
event.preventDefault();
event.stopPropagation();
}
}
function onTabDragEnter(event) {
return onTabDragOver(event);
}
function onTabDragOver(event) {
let target = event.target;
let value = parseInt(event.dataTransfer.mozGetDataAt("plain/text", 0), 10);
let type = event.dataTransfer.mozGetDataAt("plain/text", 1);
// drag to group
if (target.tagName != "menu") {
event.stopPropagation();
return;
}
if (! ((type == "menu" && target.id == GROUPS_MENU_ID) ||
target.getAttribute("class").indexOf("tabgroup") != -1)) {
event.stopPropagation();
return;
}
let group = target.value ? GU.findGroup(target.value) : null;
if (type == "menuitem") {
let tab = gBrowser.tabs[value];
if (tab) {
if ($T(tab) && $T(tab).parent == group) {
event.stopPropagation();
return;
}
}
} else if (type == "menu") {
let canDrop = true;
if (group && ! group.getTitle()) {
canDrop = false;
} else {
let sourceGroup = GU.findGroup(value);
let parts = sourceGroup.getTitle().split(GROUP_SEPARATOR);
parts.pop();
let sourcePrefix = parts.join(GROUP_SEPARATOR);
// Can't drag to the same group, its children, or its immediate parent
if ((! sourcePrefix && target.id == GROUPS_MENU_ID) || sourceGroup == group || (group && group.getTitle().indexOf(sourceGroup.getTitle() + GROUP_SEPARATOR) === 0) || (sourcePrefix && group && group.getTitle() == sourcePrefix)) {
canDrop = false;
}
}
if (! canDrop) {
event.stopPropagation();
return;
}
}
event.preventDefault(); // allow dragover
event.stopPropagation();
}
function onTabDrop(event) {
let dt = event.dataTransfer;
let value = dt.mozGetDataAt("plain/text", 0);
let type = dt.mozGetDataAt("plain/text", 1);
let dstGroup = null; // if null then move to top
if (event.target.id != GROUPS_MENU_ID) {
dstGroup = GU.findGroup(event.target.value);
}
if (type == "menuitem") {
let tabindex = value;
let tab = gBrowser.tabs[tabindex];
let tabitem = $T(tab);
if (tabitem && tabitem.parent) {
// batch move
let srcGroup = tabitem.parent;
let gid = srcGroup.id;
let queue = []
let menuitem = $(PREFIX + "tab-" + tabindex);
if (menuitem.hasAttribute("class") && menuitem.getAttribute("class").match(/marked/)) {
let menu = $(PREFIX + "group-" + gid);
for (let i = 0, len = menu.itemCount; i < len; ++i) {
let item = menu.getItemAtIndex(i);
if (item.hasAttribute("class") && item.getAttribute("class").match(/marked/)) {
queue.push(item.value);
}
}
} else {
queue.push(value);
}
let dstGroupId = dstGroup.id;
for (let i = 0, len = queue.length; i < len; ++i) {
GroupItems.moveTabToGroupItem(gBrowser.tabs[queue[i]], dstGroupId);
}
if (srcGroup.getChildren().length == queue.length) {
// Prevent panorama from opening up when moving all tabs
gBrowser.selectedTab = GU.createTabInGroup(dstGroup);
}
} else {
// Moving orphaned tab
GroupItems.moveTabToGroupItem(tab, dstGroupId);
}
// group.reorderTabsBasedOnTabItemOrder();
} else if (type == "menu") {
GU.moveGroup(GU.findGroup(value), dstGroup);
}
// Reopen menu
let target = event.target;
let popup = null;
if (target.id == GROUPS_MENU_ID) {
popup = $(GROUPS_POPUP_ID);
} else {
target = target.parentNode;
while (target.parentNode != null && target.parentNode.tagName != "window") {
if (target.id == GROUPS_POPUP_ID) {
popup = target;
break;
} else if (target.id == GROUPS_BTNPOPUP_ID) {
popup = target;
break;
}
target = target.parentNode;
}
}
// Reopen menu
if (getPref("keepMenuOpen") && popup)
UI.openPopup(popup, dstGroup);
event.stopPropagation();
}
// END DRAG DROP /////////////////////////////////////////////////////////////////////////////////
// Show tab groups under given popup
function showGroupsMenu(popup, gid) {
let prefix = gid ? GroupItems.groupItem(gid).getTitle() : null;
if (gid && ! prefix) {
// we're showing subgroups of an unnamed group
return;
}
UI.clearPopup(popup);
// Lisf of tab groups
let hasGroups = false;