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/* 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
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
});
const TAB_DROP_TYPE = "application/x-moz-tabbrowser-tab";
function setAttributes(element, attrs) {
for (let [name, value] of Object.entries(attrs)) {
if (value) {
element.setAttribute(name, value);
} else {
element.removeAttribute(name);
}
}
}
class TabsListBase {
constructor({
className,
filterFn,
insertBefore,
containerNode,
dropIndicator = null,
}) {
this.className = className;
this.filterFn = filterFn;
this.insertBefore = insertBefore;
this.containerNode = containerNode;
this.dropIndicator = dropIndicator;
if (this.dropIndicator) {
this.dropTargetRow = null;
this.dropTargetDirection = 0;
}
this.doc = containerNode.ownerDocument;
this.gBrowser = this.doc.defaultView.gBrowser;
this.tabToElement = new Map();
this.listenersRegistered = false;
}
get rows() {
return this.tabToElement.values();
}
handleEvent(event) {
switch (event.type) {
case "TabAttrModified":
this._tabAttrModified(event.target);
break;
case "TabClose":
this._tabClose(event.target);
break;
case "TabMove":
this._moveTab(event.target);
break;
case "TabPinned":
if (!this.filterFn(event.target)) {
this._tabClose(event.target);
}
break;
case "command":
this._selectTab(event.target.tab);
break;
case "dragstart":
this._onDragStart(event);
break;
case "dragover":
this._onDragOver(event);
break;
case "dragleave":
this._onDragLeave(event);
break;
case "dragend":
this._onDragEnd(event);
break;
case "drop":
this._onDrop(event);
break;
case "click":
this._onClick(event);
break;
}
}
_selectTab(tab) {
if (this.gBrowser.selectedTab != tab) {
this.gBrowser.selectedTab = tab;
} else {
this.gBrowser.tabContainer._handleTabSelect();
}
}
/*
* Populate the popup with menuitems and setup the listeners.
*/
_populate() {
let fragment = this.doc.createDocumentFragment();
for (let tab of this.gBrowser.tabs) {
if (this.filterFn(tab)) {
fragment.appendChild(this._createRow(tab));
}
}
this._addElement(fragment);
this._setupListeners();
}
_addElement(elementOrFragment) {
this.containerNode.insertBefore(elementOrFragment, this.insertBefore);
}
/*
* Remove the menuitems from the DOM, cleanup internal state and listeners.
*/
_cleanup() {
for (let item of this.rows) {
item.remove();
}
this.tabToElement = new Map();
this._cleanupListeners();
this._clearDropTarget();
}
_setupListeners() {
this.listenersRegistered = true;
this.gBrowser.tabContainer.addEventListener("TabAttrModified", this);
this.gBrowser.tabContainer.addEventListener("TabClose", this);
this.gBrowser.tabContainer.addEventListener("TabMove", this);
this.gBrowser.tabContainer.addEventListener("TabPinned", this);
this.containerNode.addEventListener("click", this);
if (this.dropIndicator) {
this.containerNode.addEventListener("dragstart", this);
this.containerNode.addEventListener("dragover", this);
this.containerNode.addEventListener("dragleave", this);
this.containerNode.addEventListener("dragend", this);
this.containerNode.addEventListener("drop", this);
}
}
_cleanupListeners() {
this.gBrowser.tabContainer.removeEventListener("TabAttrModified", this);
this.gBrowser.tabContainer.removeEventListener("TabClose", this);
this.gBrowser.tabContainer.removeEventListener("TabMove", this);
this.gBrowser.tabContainer.removeEventListener("TabPinned", this);
this.containerNode.removeEventListener("click", this);
if (this.dropIndicator) {
this.containerNode.removeEventListener("dragstart", this);
this.containerNode.removeEventListener("dragover", this);
this.containerNode.removeEventListener("dragleave", this);
this.containerNode.removeEventListener("dragend", this);
this.containerNode.removeEventListener("drop", this);
}
this.listenersRegistered = false;
}
_tabAttrModified(tab) {
let item = this.tabToElement.get(tab);
if (item) {
if (!this.filterFn(tab)) {
// The tab no longer matches our criteria, remove it.
this._removeItem(item, tab);
} else {
this._setRowAttributes(item, tab);
}
} else if (this.filterFn(tab)) {
// The tab now matches our criteria, add a row for it.
this._addTab(tab);
}
}
_moveTab(tab) {
let item = this.tabToElement.get(tab);
if (item) {
this._removeItem(item, tab);
this._addTab(tab);
}
}
_addTab(newTab) {
if (!this.filterFn(newTab)) {
return;
}
let newRow = this._createRow(newTab);
let nextTab = newTab.nextElementSibling;
while (nextTab && !this.filterFn(nextTab)) {
nextTab = nextTab.nextElementSibling;
}
// If we found a tab after this one in the list, insert the new row before it.
let nextRow = this.tabToElement.get(nextTab);
if (nextRow) {
nextRow.parentNode.insertBefore(newRow, nextRow);
} else {
// If there's no next tab then insert it as usual.
this._addElement(newRow);
}
}
_tabClose(tab) {
let item = this.tabToElement.get(tab);
if (item) {
this._removeItem(item, tab);
}
}
_removeItem(item, tab) {
this.tabToElement.delete(tab);
item.remove();
}
}
const TABS_PANEL_EVENTS = {
show: "ViewShowing",
hide: "PanelMultiViewHidden",
};
export class TabsPanel extends TabsListBase {
constructor(opts) {
super({
...opts,
containerNode: opts.containerNode || opts.view.firstElementChild,
});
this.view = opts.view;
this.view.addEventListener(TABS_PANEL_EVENTS.show, this);
this.panelMultiView = null;
}
handleEvent(event) {
switch (event.type) {
case TABS_PANEL_EVENTS.hide:
if (event.target == this.panelMultiView) {
this._cleanup();
this.panelMultiView = null;
}
break;
case TABS_PANEL_EVENTS.show:
if (!this.listenersRegistered && event.target == this.view) {
this.panelMultiView = this.view.panelMultiView;
this._populate(event);
this.gBrowser.translateTabContextMenu();
}
break;
case "command":
if (event.target.classList.contains("all-tabs-mute-button")) {
event.target.tab.toggleMuteAudio();
break;
}
if (event.target.classList.contains("all-tabs-close-button")) {
this.gBrowser.removeTab(event.target.tab);
break;
}
// fall through
default:
super.handleEvent(event);
break;
}
}
_populate(event) {
super._populate(event);
// The loading throbber can't be set until the toolbarbutton is rendered,
// so set the image attributes again now that the elements are in the DOM.
for (let row of this.rows) {
this._setImageAttributes(row, row.tab);
}
}
_selectTab(tab) {
super._selectTab(tab);
lazy.PanelMultiView.hidePopup(this.view.closest("panel"));
}
_setupListeners() {
super._setupListeners();
this.panelMultiView.addEventListener(TABS_PANEL_EVENTS.hide, this);
}
_cleanupListeners() {
super._cleanupListeners();
this.panelMultiView.removeEventListener(TABS_PANEL_EVENTS.hide, this);
}
_createRow(tab) {
let { doc } = this;
let row = doc.createXULElement("toolbaritem");
row.setAttribute("class", "all-tabs-item");
row.setAttribute("context", "tabContextMenu");
if (this.className) {
row.classList.add(this.className);
}
row.tab = tab;
row.addEventListener("command", this);
this.tabToElement.set(tab, row);
let button = doc.createXULElement("toolbarbutton");
button.setAttribute(
"class",
"all-tabs-button subviewbutton subviewbutton-iconic"
);
button.setAttribute("flex", "1");
button.setAttribute("crop", "end");
button.tab = tab;
if (tab.userContextId) {
tab.classList.forEach(property => {
if (property.startsWith("identity-color")) {
button.classList.add(property);
button.classList.add("all-tabs-container-indicator");
}
});
}
row.appendChild(button);
let muteButton = doc.createXULElement("toolbarbutton");
muteButton.classList.add(
"all-tabs-mute-button",
"all-tabs-secondary-button",
"subviewbutton"
);
muteButton.setAttribute("closemenu", "none");
muteButton.tab = tab;
row.appendChild(muteButton);
let closeButton = doc.createXULElement("toolbarbutton");
closeButton.classList.add(
"all-tabs-close-button",
"all-tabs-secondary-button",
"subviewbutton"
);
closeButton.setAttribute("closemenu", "none");
doc.l10n.setAttributes(closeButton, "tabbrowser-manager-close-tab");
closeButton.tab = tab;
row.appendChild(closeButton);
this._setRowAttributes(row, tab);
return row;
}
_setRowAttributes(row, tab) {
setAttributes(row, { selected: tab.selected });
let tooltiptext = this.gBrowser.getTabTooltip(tab);
let busy = tab.getAttribute("busy");
let button = row.firstElementChild;
setAttributes(button, {
busy,
label: tab.label,
tooltiptext,
image: !busy && tab.getAttribute("image"),
iconloadingprincipal: tab.getAttribute("iconloadingprincipal"),
});
this._setImageAttributes(row, tab);
let muteButton = row.querySelector(".all-tabs-mute-button");
let muteButtonTooltipString = tab.muted
? "tabbrowser-manager-unmute-tab"
: "tabbrowser-manager-mute-tab";
this.doc.l10n.setAttributes(muteButton, muteButtonTooltipString);
setAttributes(muteButton, {
muted: tab.muted,
soundplaying: tab.soundPlaying,
hidden: !(tab.muted || tab.soundPlaying),
});
}
_setImageAttributes(row, tab) {
let button = row.firstElementChild;
let image = button.icon;
if (image) {
let busy = tab.getAttribute("busy");
let progress = tab.getAttribute("progress");
setAttributes(image, { busy, progress });
if (busy) {
image.classList.add("tab-throbber-tabslist");
} else {
image.classList.remove("tab-throbber-tabslist");
}
}
}
_onDragStart(event) {
const row = this._getTargetRowFromEvent(event);
if (!row) {
return;
}
this.gBrowser.tabContainer.startTabDrag(event, row.firstElementChild.tab, {
fromTabList: true,
});
}
_getTargetRowFromEvent(event) {
return event.target.closest("toolbaritem");
}
_isMovingTabs(event) {
var effects = this.gBrowser.tabContainer.getDropEffectForTabDrag(event);
return effects == "move";
}
_onDragOver(event) {
if (!this._isMovingTabs(event)) {
return;
}
if (!this._updateDropTarget(event)) {
return;
}
event.preventDefault();
event.stopPropagation();
}
_getRowIndex(row) {
return Array.prototype.indexOf.call(this.containerNode.children, row);
}
_onDrop(event) {
if (!this._isMovingTabs(event)) {
return;
}
if (!this._updateDropTarget(event)) {
return;
}
event.preventDefault();
event.stopPropagation();
let draggedTab = event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
if (draggedTab === this.dropTargetRow.firstElementChild.tab) {
this._clearDropTarget();
return;
}
const targetTab = this.dropTargetRow.firstElementChild.tab;
// NOTE: Given the list is opened only when the window is focused,
// we don't have to check `draggedTab.container`.
let pos;
if (draggedTab._tPos < targetTab._tPos) {
pos = targetTab._tPos + this.dropTargetDirection;
} else {
pos = targetTab._tPos + this.dropTargetDirection + 1;
}
this.gBrowser.moveTabTo(draggedTab, pos);
this._clearDropTarget();
}
_onDragLeave(event) {
if (!this._isMovingTabs(event)) {
return;
}
let target = event.relatedTarget;
while (target && target != this.containerNode) {
target = target.parentNode;
}
if (target) {
return;
}
this._clearDropTarget();
}
_onDragEnd(event) {
if (!this._isMovingTabs(event)) {
return;
}
this._clearDropTarget();
}
_updateDropTarget(event) {
const row = this._getTargetRowFromEvent(event);
if (!row) {
return false;
}
const rect = row.getBoundingClientRect();
const index = this._getRowIndex(row);
if (index === -1) {
return false;
}
const threshold = rect.height * 0.5;
if (event.clientY < rect.top + threshold) {
this._setDropTarget(row, -1);
} else {
this._setDropTarget(row, 0);
}
return true;
}
_setDropTarget(row, direction) {
this.dropTargetRow = row;
this.dropTargetDirection = direction;
const holder = this.dropIndicator.parentNode;
const holderOffset = holder.getBoundingClientRect().top;
// Set top to before/after the target row.
let top;
if (this.dropTargetDirection === -1) {
if (this.dropTargetRow.previousSibling) {
const rect = this.dropTargetRow.previousSibling.getBoundingClientRect();
top = rect.top + rect.height;
} else {
const rect = this.dropTargetRow.getBoundingClientRect();
top = rect.top;
}
} else {
const rect = this.dropTargetRow.getBoundingClientRect();
top = rect.top + rect.height;
}
// Avoid overflowing the sub view body.
const indicatorHeight = 12;
const subViewBody = holder.parentNode;
const subViewBodyRect = subViewBody.getBoundingClientRect();
top = Math.min(top, subViewBodyRect.bottom - indicatorHeight);
this.dropIndicator.style.top = `${top - holderOffset - 12}px`;
this.dropIndicator.collapsed = false;
}
_clearDropTarget() {
if (this.dropTargetRow) {
this.dropTargetRow = null;
}
if (this.dropIndicator) {
this.dropIndicator.style.top = `0px`;
this.dropIndicator.collapsed = true;
}
}
_onClick(event) {
if (event.button == 1) {
const row = this._getTargetRowFromEvent(event);
if (!row) {
return;
}
this.gBrowser.removeTab(row.tab, {
animate: true,
});
}
}
}