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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
/* 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/. */
"use strict";
var { ExtensionParent } = ChromeUtils.importESModule(
);
var { ExtensionError } = ExtensionUtils;
var { IconDetails } = ExtensionParent;
// WeakMap[Extension -> SidebarAction]
let sidebarActionMap = new WeakMap();
/**
* Responsible for the sidebar_action section of the manifest as well
* as the associated sidebar browser.
*/
this.sidebarAction = class extends ExtensionAPI {
static for(extension) {
return sidebarActionMap.get(extension);
}
onManifestEntry() {
let { extension } = this;
extension.once("ready", this.onReady.bind(this));
let options = extension.manifest.sidebar_action;
// Add the extension to the sidebar menu. The sidebar widget will copy
// from that when it is viewed, so we shouldn't need to update that.
let widgetId = makeWidgetId(extension.id);
this.id = `${widgetId}-sidebar-action`;
this.menuId = `menubar_menu_${this.id}`;
this.browserStyle = options.browser_style;
this.defaults = {
enabled: true,
title: options.default_title || extension.name,
icon: IconDetails.normalize({ path: options.default_icon }, extension),
panel: options.default_panel || "",
};
this.globals = Object.create(this.defaults);
this.tabContext = new TabContext(target => {
let window = target.ownerGlobal;
if (target === window) {
return this.globals;
}
return this.tabContext.get(window);
});
// We need to ensure our elements are available before session restore.
this.windowOpenListener = window => {
this.createMenuItem(window, this.globals);
};
windowTracker.addOpenListener(this.windowOpenListener);
sidebarActionMap.set(extension, this);
}
onReady() {
this.build();
}
onShutdown(isAppShutdown) {
sidebarActionMap.delete(this.extension);
this.tabContext.shutdown();
// Don't remove everything on app shutdown so session restore can handle
// restoring open sidebars.
if (isAppShutdown) {
return;
}
for (let window of windowTracker.browserWindows()) {
let { SidebarController } = window;
SidebarController.removeExtension(this.id);
}
windowTracker.removeOpenListener(this.windowOpenListener);
}
static onUninstall(id) {
const sidebarId = `${makeWidgetId(id)}-sidebar-action`;
for (let window of windowTracker.browserWindows()) {
let { SidebarController } = window;
if (SidebarController.lastOpenedId === sidebarId) {
SidebarController.lastOpenedId = null;
}
}
}
build() {
// eslint-disable-next-line mozilla/balanced-listeners
this.tabContext.on("tab-select", (evt, tab) => {
this.updateWindow(tab.ownerGlobal);
});
let install = this.extension.startupReason === "ADDON_INSTALL";
for (let window of windowTracker.browserWindows()) {
this.updateWindow(window);
let { SidebarController } = window;
if (
(install && this.extension.manifest.sidebar_action.open_at_install) ||
SidebarController.lastOpenedId == this.id
) {
SidebarController.show(this.id);
}
}
}
createMenuItem(window, details) {
if (!this.extension.canAccessWindow(window)) {
return;
}
this.panel = details.panel;
let { SidebarController } = window;
SidebarController.registerExtension(this.id, {
icon: this.getMenuIcon(details),
menuId: this.menuId,
title: details.title,
extensionId: this.extension.id,
onload: () =>
SidebarController.browser.contentWindow.loadPanel(
this.extension.id,
this.panel,
this.browserStyle
),
});
}
getMenuIcon(details) {
let getIcon = size =>
IconDetails.escapeUrl(
IconDetails.getPreferredIcon(details.icon, this.extension, size).icon
);
return `image-set(url("${getIcon(16)}"), url("${getIcon(32)}") 2x)`;
}
/**
* Update the menu items with the tab context data in `tabData`.
*
* @param {ChromeWindow} window
* Browser chrome window.
* @param {object} tabData
* Tab specific sidebar configuration.
*/
updateButton(window, tabData) {
let { document, SidebarController } = window;
let title = tabData.title || this.extension.name;
if (!document.getElementById(this.menuId)) {
// Menu items are added when new windows are opened, or from onReady (when
// an extension has fully started). The menu item may be missing at this
// point if the extension updates the sidebar during its startup.
this.createMenuItem(window, tabData);
}
let urlChanged = tabData.panel !== this.panel;
if (urlChanged) {
this.panel = tabData.panel;
}
SidebarController.setExtensionAttributes(
this.id,
{
icon: this.getMenuIcon(tabData),
label: title,
},
urlChanged
);
}
/**
* Update the menu items for a given window.
*
* @param {ChromeWindow} window
* Browser chrome window.
*/
updateWindow(window) {
if (!this.extension.canAccessWindow(window)) {
return;
}
let nativeTab = window.gBrowser.selectedTab;
this.updateButton(window, this.tabContext.get(nativeTab));
}
/**
* Update the menu items when the extension changes the icon,
* title, url, etc. If it only changes a parameter for a single tab, `target`
* will be that tab. If it only changes a parameter for a single window,
* `target` will be that window. Otherwise `target` will be null.
*
* @param {XULElement|ChromeWindow|null} target
* Browser tab or browser chrome window, may be null.
*/
updateOnChange(target) {
if (target) {
let window = target.ownerGlobal;
if (target === window || target.selected) {
this.updateWindow(window);
}
} else {
for (let window of windowTracker.browserWindows()) {
this.updateWindow(window);
}
}
}
/**
* Gets the target object corresponding to the `details` parameter of the various
* get* and set* API methods.
*
* @param {object} details
* An object with optional `tabId` or `windowId` properties.
* @param {number} [details.tabId]
* The target tab.
* @param {number} [details.windowId]
* The target window.
* @throws if both `tabId` and `windowId` are specified, or if they are invalid.
* @returns {XULElement|ChromeWindow|null}
* If a `tabId` was specified, the corresponding XULElement tab.
* If a `windowId` was specified, the corresponding ChromeWindow.
* Otherwise, `null`.
*/
getTargetFromDetails({ tabId, windowId }) {
if (tabId != null && windowId != null) {
throw new ExtensionError(
"Only one of tabId and windowId can be specified."
);
}
let target = null;
if (tabId != null) {
target = tabTracker.getTab(tabId);
if (!this.extension.canAccessWindow(target.ownerGlobal)) {
throw new ExtensionError(`Invalid tab ID: ${tabId}`);
}
} else if (windowId != null) {
target = windowTracker.getWindow(windowId);
if (!this.extension.canAccessWindow(target)) {
throw new ExtensionError(`Invalid window ID: ${windowId}`);
}
}
return target;
}
/**
* Gets the data associated with a tab, window, or the global one.
*
* @param {XULElement|ChromeWindow|null} target
* A XULElement tab, a ChromeWindow, or null for the global data.
* @returns {object}
* The icon, title, panel, etc. associated with the target.
*/
getContextData(target) {
if (target) {
return this.tabContext.get(target);
}
return this.globals;
}
/**
* Set a global, window specific or tab specific property.
*
* @param {XULElement|ChromeWindow|null} target
* A XULElement tab, a ChromeWindow, or null for the global data.
* @param {string} prop
* String property to set ["icon", "title", or "panel"].
* @param {string} value
* Value for property.
*/
setProperty(target, prop, value) {
let values = this.getContextData(target);
if (value === null) {
delete values[prop];
} else {
values[prop] = value;
}
this.updateOnChange(target);
}
/**
* Retrieve the value of a global, window specific or tab specific property.
*
* @param {XULElement|ChromeWindow|null} target
* A XULElement tab, a ChromeWindow, or null for the global data.
* @param {string} prop
* String property to retrieve ["icon", "title", or "panel"]
* @returns {string} value
* Value of prop.
*/
getProperty(target, prop) {
return this.getContextData(target)[prop];
}
setPropertyFromDetails(details, prop, value) {
return this.setProperty(this.getTargetFromDetails(details), prop, value);
}
getPropertyFromDetails(details, prop) {
return this.getProperty(this.getTargetFromDetails(details), prop);
}
/**
* Triggers this sidebar action for the given window, with the same effects as
* if it were toggled via menu or toolbarbutton by a user.
*
* @param {ChromeWindow} window
*/
triggerAction(window) {
let { SidebarController } = window;
if (SidebarController && this.extension.canAccessWindow(window)) {
SidebarController.toggle(this.id);
}
}
/**
* Opens this sidebar action for the given window.
*
* @param {ChromeWindow} window
*/
open(window) {
let { SidebarController } = window;
if (SidebarController && this.extension.canAccessWindow(window)) {
SidebarController.show(this.id);
}
}
/**
* Closes this sidebar action for the given window if this sidebar action is open.
*
* @param {ChromeWindow} window
*/
close(window) {
if (this.isOpen(window)) {
window.SidebarController.hide();
}
}
/**
* Toogles this sidebar action for the given window
*
* @param {ChromeWindow} window
*/
toggle(window) {
let { SidebarController } = window;
if (!SidebarController || !this.extension.canAccessWindow(window)) {
return;
}
if (!this.isOpen(window)) {
SidebarController.show(this.id);
} else {
SidebarController.hide();
}
}
/**
* Checks whether this sidebar action is open in the given window.
*
* @param {ChromeWindow} window
* @returns {boolean}
*/
isOpen(window) {
let { SidebarController } = window;
return SidebarController.isOpen && this.id == SidebarController.currentID;
}
getAPI(context) {
let { extension } = context;
const sidebarAction = this;
return {
sidebarAction: {
async setTitle(details) {
sidebarAction.setPropertyFromDetails(details, "title", details.title);
},
getTitle(details) {
return sidebarAction.getPropertyFromDetails(details, "title");
},
async setIcon(details) {
let icon = IconDetails.normalize(details, extension, context);
if (!Object.keys(icon).length) {
icon = null;
}
sidebarAction.setPropertyFromDetails(details, "icon", icon);
},
async setPanel(details) {
let url;
// Clear the url when given null or empty string.
if (!details.panel) {
url = null;
} else {
url = context.uri.resolve(details.panel);
if (!context.checkLoadURL(url)) {
return Promise.reject({
message: `Access denied for URL ${url}`,
});
}
}
sidebarAction.setPropertyFromDetails(details, "panel", url);
},
getPanel(details) {
return sidebarAction.getPropertyFromDetails(details, "panel");
},
open() {
let window = windowTracker.topWindow;
if (context.canAccessWindow(window)) {
sidebarAction.open(window);
}
},
close() {
let window = windowTracker.topWindow;
if (context.canAccessWindow(window)) {
sidebarAction.close(window);
}
},
toggle() {
let window = windowTracker.topWindow;
if (context.canAccessWindow(window)) {
sidebarAction.toggle(window);
}
},
isOpen(details) {
let { windowId } = details;
if (windowId == null) {
windowId = Window.WINDOW_ID_CURRENT;
}
let window = windowTracker.getWindow(windowId, context);
return sidebarAction.isOpen(window);
},
},
};
}
};
global.sidebarActionFor = this.sidebarAction.for;