fune/browser/components/extensions/parent/ext-browserAction.js

714 lines
20 KiB
JavaScript

/* -*- 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";
ChromeUtils.defineModuleGetter(
this,
"CustomizableUI",
"resource:///modules/CustomizableUI.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"clearTimeout",
"resource://gre/modules/Timer.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"ExtensionTelemetry",
"resource://gre/modules/ExtensionTelemetry.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"setTimeout",
"resource://gre/modules/Timer.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"ViewPopup",
"resource:///modules/ExtensionPopups.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"BrowserUsageTelemetry",
"resource:///modules/BrowserUsageTelemetry.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"OriginControls",
"resource://gre/modules/ExtensionPermissions.jsm"
);
var { DefaultWeakMap } = ExtensionUtils;
var { ExtensionParent } = ChromeUtils.import(
"resource://gre/modules/ExtensionParent.jsm"
);
var { BrowserActionBase } = ChromeUtils.import(
"resource://gre/modules/ExtensionActions.jsm"
);
var { IconDetails, StartupCache } = ExtensionParent;
const POPUP_PRELOAD_TIMEOUT_MS = 200;
// WeakMap[Extension -> BrowserAction]
const browserActionMap = new WeakMap();
XPCOMUtils.defineLazyGetter(this, "browserAreas", () => {
return {
navbar: CustomizableUI.AREA_NAVBAR,
menupanel: CustomizableUI.AREA_FIXED_OVERFLOW_PANEL,
tabstrip: CustomizableUI.AREA_TABSTRIP,
personaltoolbar: CustomizableUI.AREA_BOOKMARKS,
};
});
function actionWidgetId(widgetId) {
return `${widgetId}-browser-action`;
}
class BrowserAction extends BrowserActionBase {
constructor(extension, buttonDelegate) {
let tabContext = new TabContext(target => {
let window = target.ownerGlobal;
if (target === window) {
return this.getContextData(null);
}
return tabContext.get(window);
});
super(tabContext, extension);
this.buttonDelegate = buttonDelegate;
}
updateOnChange(target) {
if (target) {
let window = target.ownerGlobal;
if (target === window || target.selected) {
this.buttonDelegate.updateWindow(window);
}
} else {
for (let window of windowTracker.browserWindows()) {
this.buttonDelegate.updateWindow(window);
}
}
}
getTab(tabId) {
if (tabId !== null) {
return tabTracker.getTab(tabId);
}
return null;
}
getWindow(windowId) {
if (windowId !== null) {
return windowTracker.getWindow(windowId);
}
return null;
}
dispatchClick(tab, clickInfo) {
this.buttonDelegate.emit("click", tab, clickInfo);
}
}
this.browserAction = class extends ExtensionAPIPersistent {
static for(extension) {
return browserActionMap.get(extension);
}
async onManifestEntry(entryName) {
let { extension } = this;
let options =
extension.manifest.browser_action || extension.manifest.action;
this.action = new BrowserAction(extension, this);
await this.action.loadIconData();
this.iconData = new DefaultWeakMap(icons => this.getIconData(icons));
this.iconData.set(
this.action.getIcon(),
await StartupCache.get(
extension,
["browserAction", "default_icon_data"],
() => this.getIconData(this.action.getIcon())
)
);
let widgetId = makeWidgetId(extension.id);
this.id = actionWidgetId(widgetId);
this.viewId = `PanelUI-webext-${widgetId}-browser-action-view`;
this.widget = null;
this.pendingPopup = null;
this.pendingPopupTimeout = null;
this.eventQueue = [];
this.tabManager = extension.tabManager;
this.browserStyle = options.browser_style;
browserActionMap.set(extension, this);
this.build();
}
static onUpdate(id, manifest) {
if (!("browser_action" in manifest || "action" in manifest)) {
// If the new version has no browser action then mark this widget as
// hidden in the telemetry. If it is already marked hidden then this will
// do nothing.
BrowserUsageTelemetry.recordWidgetChange(
actionWidgetId(makeWidgetId(id)),
null,
"addon"
);
}
}
static onDisable(id) {
BrowserUsageTelemetry.recordWidgetChange(
actionWidgetId(makeWidgetId(id)),
null,
"addon"
);
}
static onUninstall(id) {
// If the telemetry already has this widget as hidden then this will not
// record anything.
BrowserUsageTelemetry.recordWidgetChange(
actionWidgetId(makeWidgetId(id)),
null,
"addon"
);
}
onShutdown() {
browserActionMap.delete(this.extension);
this.action.onShutdown();
CustomizableUI.destroyWidget(this.id);
this.clearPopup();
}
build() {
let widget = CustomizableUI.createWidget({
id: this.id,
viewId: this.viewId,
type: "view",
removable: true,
label: this.action.getProperty(null, "title"),
tooltiptext: this.action.getProperty(null, "title"),
defaultArea: browserAreas[this.action.getDefaultArea()],
showInPrivateBrowsing: this.extension.privateBrowsingAllowed,
disallowSubView: true,
// Don't attempt to load properties from the built-in widget string
// bundle.
localized: false,
onBeforeCreated: document => {
let view = document.createXULElement("panelview");
view.id = this.viewId;
view.setAttribute("flex", "1");
view.setAttribute("extension", true);
view.setAttribute("neverhidden", true);
view.setAttribute("disallowSubView", true);
document.getElementById("appMenu-viewCache").appendChild(view);
if (
this.extension.hasPermission("menus") ||
this.extension.hasPermission("contextMenus")
) {
document.addEventListener("popupshowing", this);
}
},
onDestroyed: document => {
document.removeEventListener("popupshowing", this);
let view = document.getElementById(this.viewId);
if (view) {
this.clearPopup();
CustomizableUI.hidePanelForNode(view);
view.remove();
}
},
onCreated: node => {
node.classList.add("panel-no-padding");
node.classList.add("webextension-browser-action");
node.setAttribute("badged", "true");
node.setAttribute("constrain-size", "true");
node.setAttribute("data-extensionid", this.extension.id);
node.onmousedown = event => this.handleEvent(event);
node.onmouseover = event => this.handleEvent(event);
node.onmouseout = event => this.handleEvent(event);
node.onauxclick = event => this.handleEvent(event);
this.updateButton(node, this.action.getContextData(null), true, false);
},
onBeforeCommand: event => {
this.lastClickInfo = {
button: event.button || 0,
modifiers: clickModifiersFromEvent(event),
};
},
onViewShowing: async event => {
const { extension } = this;
ExtensionTelemetry.browserActionPopupOpen.stopwatchStart(
extension,
this
);
let document = event.target.ownerDocument;
let tabbrowser = document.defaultView.gBrowser;
let tab = tabbrowser.selectedTab;
let popupURL = this.action.triggerClickOrPopup(tab, this.lastClickInfo);
if (popupURL) {
try {
let popup = this.getPopup(document.defaultView, popupURL);
let attachPromise = popup.attach(event.target);
event.detail.addBlocker(attachPromise);
await attachPromise;
ExtensionTelemetry.browserActionPopupOpen.stopwatchFinish(
extension,
this
);
if (this.eventQueue.length) {
ExtensionTelemetry.browserActionPreloadResult.histogramAdd({
category: "popupShown",
extension,
});
this.eventQueue = [];
}
} catch (e) {
ExtensionTelemetry.browserActionPopupOpen.stopwatchCancel(
extension,
this
);
Cu.reportError(e);
event.preventDefault();
}
} else {
ExtensionTelemetry.browserActionPopupOpen.stopwatchCancel(
extension,
this
);
// This isn't not a hack, but it seems to provide the correct behavior
// with the fewest complications.
event.preventDefault();
// Ensure we close any popups this node was in:
CustomizableUI.hidePanelForNode(event.target);
}
},
});
if (this.extension.startupReason != "APP_STARTUP") {
// Make sure the browser telemetry has the correct state for this widget.
// Defer loading BrowserUsageTelemetry until after startup is complete.
ExtensionParent.browserStartupPromise.then(() => {
let placement = CustomizableUI.getPlacementOfWidget(widget.id);
BrowserUsageTelemetry.recordWidgetChange(
widget.id,
placement?.area || null,
"addon"
);
});
}
this.widget = widget;
}
/**
* Triggers this browser action for the given window, with the same effects as
* if it were clicked by a user.
*
* This has no effect if the browser action is disabled for, or not
* present in, the given window.
*
* @param {Window} window
*/
async triggerAction(window) {
let popup = ViewPopup.for(this.extension, window);
if (!this.pendingPopup && popup) {
popup.closePopup();
return;
}
let widget = this.widget.forWindow(window);
let tab = window.gBrowser.selectedTab;
if (!widget.node) {
return;
}
let popupUrl = this.action.triggerClickOrPopup(tab, {
button: 0,
modifiers: [],
});
if (popupUrl) {
if (this.widget.areaType == CustomizableUI.TYPE_MENU_PANEL) {
await window.document.getElementById("nav-bar").overflowable.show();
}
let event = new window.CustomEvent("command", {
bubbles: true,
cancelable: true,
});
widget.node.dispatchEvent(event);
}
}
handleEvent(event) {
let button = event.target;
let window = button.ownerGlobal;
switch (event.type) {
case "mousedown":
if (event.button == 0) {
let tab = window.gBrowser.selectedTab;
// Begin pre-loading the browser for the popup, so it's more likely to
// be ready by the time we get a complete click.
let popupURL = this.action.getPopupUrl(tab);
if (
popupURL &&
(this.pendingPopup || !ViewPopup.for(this.extension, window))
) {
// Add permission for the active tab so it will exist for the popup.
this.action.setActiveTabForPreload(tab);
this.eventQueue.push("Mousedown");
this.pendingPopup = this.getPopup(window, popupURL);
window.addEventListener("mouseup", this, true);
} else {
this.clearPopup();
}
}
break;
case "mouseup":
if (event.button == 0) {
this.clearPopupTimeout();
// If we have a pending pre-loaded popup, cancel it after we've waited
// long enough that we can be relatively certain it won't be opening.
if (this.pendingPopup) {
let node = window.gBrowser && this.widget.forWindow(window).node;
if (node && node.contains(event.originalTarget)) {
this.pendingPopupTimeout = setTimeout(
() => this.clearPopup(),
POPUP_PRELOAD_TIMEOUT_MS
);
} else {
this.clearPopup();
}
}
}
break;
case "mouseover": {
// Begin pre-loading the browser for the popup, so it's more likely to
// be ready by the time we get a complete click.
let tab = window.gBrowser.selectedTab;
let popupURL = this.action.getPopupUrl(tab);
if (
popupURL &&
(this.pendingPopup || !ViewPopup.for(this.extension, window))
) {
this.eventQueue.push("Hover");
this.pendingPopup = this.getPopup(window, popupURL, true);
}
break;
}
case "mouseout":
if (this.pendingPopup) {
if (this.eventQueue.length) {
ExtensionTelemetry.browserActionPreloadResult.histogramAdd({
category: `clearAfter${this.eventQueue.pop()}`,
extension: this.extension,
});
this.eventQueue = [];
}
this.clearPopup();
}
break;
case "popupshowing":
const menu = event.target;
const trigger = menu.triggerNode;
const node = window.document.getElementById(this.id);
const contexts = [
"toolbar-context-menu",
"customizationPanelItemContextMenu",
];
if (contexts.includes(menu.id) && node && node.contains(trigger)) {
this.updateContextMenu(menu);
}
break;
case "auxclick":
if (event.button !== 1) {
return;
}
let tab = window.gBrowser.selectedTab;
if (this.action.getProperty(tab, "enabled")) {
this.action.setActiveTabForPreload(null);
this.tabManager.addActiveTabPermission(tab);
this.action.dispatchClick(tab, {
button: 1,
modifiers: clickModifiersFromEvent(event),
});
// Ensure we close any popups this node was in:
CustomizableUI.hidePanelForNode(event.target);
}
break;
}
}
/**
* Updates the given context menu with the extension's actions.
*
* @param {Element} menu
* The context menu element that should be updated.
*/
updateContextMenu(menu) {
const action =
this.extension.manifestVersion < 3 ? "onBrowserAction" : "onAction";
global.actionContextMenu({
extension: this.extension,
[action]: true,
menu,
});
}
/**
* Returns a potentially pre-loaded popup for the given URL in the given
* window. If a matching pre-load popup already exists, returns that.
* Otherwise, initializes a new one.
*
* If a pre-load popup exists which does not match, it is destroyed before a
* new one is created.
*
* @param {Window} window
* The browser window in which to create the popup.
* @param {string} popupURL
* The URL to load into the popup.
* @param {boolean} [blockParser = false]
* True if the HTML parser should initially be blocked.
* @returns {ViewPopup}
*/
getPopup(window, popupURL, blockParser = false) {
this.clearPopupTimeout();
let { pendingPopup } = this;
this.pendingPopup = null;
if (pendingPopup) {
if (
pendingPopup.window === window &&
pendingPopup.popupURL === popupURL
) {
if (!blockParser) {
pendingPopup.unblockParser();
}
return pendingPopup;
}
pendingPopup.destroy();
}
return new ViewPopup(
this.extension,
window,
popupURL,
this.browserStyle,
false,
blockParser
);
}
/**
* Clears any pending pre-loaded popup and related timeouts.
*/
clearPopup() {
this.clearPopupTimeout();
this.action.setActiveTabForPreload(null);
if (this.pendingPopup) {
this.pendingPopup.destroy();
this.pendingPopup = null;
}
}
/**
* Clears any pending timeouts to clear stale, pre-loaded popups.
*/
clearPopupTimeout() {
if (this.pendingPopup) {
this.pendingPopup.window.removeEventListener("mouseup", this, true);
}
if (this.pendingPopupTimeout) {
clearTimeout(this.pendingPopupTimeout);
this.pendingPopupTimeout = null;
}
}
// Update the toolbar button |node| with the tab context data
// in |tabData|.
updateButton(node, tabData, sync = false, attention = false) {
let title = tabData.title || this.extension.name;
let callback = () => {
node.setAttribute("tooltiptext", title);
node.setAttribute("label", title);
node.setAttribute("attention", attention);
if (tabData.badgeText) {
node.setAttribute("badge", tabData.badgeText);
} else {
node.removeAttribute("badge");
}
if (tabData.enabled) {
node.removeAttribute("disabled");
} else {
node.setAttribute("disabled", "true");
}
let serializeColor = ([r, g, b, a]) =>
`rgba(${r}, ${g}, ${b}, ${a / 255})`;
node.setAttribute(
"badgeStyle",
[
`background-color: ${serializeColor(tabData.badgeBackgroundColor)}`,
`color: ${serializeColor(this.action.getTextColor(tabData))}`,
].join("; ")
);
let style = this.iconData.get(tabData.icon);
node.setAttribute("style", style);
};
if (sync) {
callback();
} else {
node.ownerGlobal.requestAnimationFrame(callback);
}
}
getIconData(icons) {
let getIcon = (icon, theme) => {
if (typeof icon === "object") {
return IconDetails.escapeUrl(icon[theme]);
}
return IconDetails.escapeUrl(icon);
};
let getStyle = (name, icon) => {
return `
--webextension-${name}: url("${getIcon(icon, "default")}");
--webextension-${name}-light: url("${getIcon(icon, "light")}");
--webextension-${name}-dark: url("${getIcon(icon, "dark")}");
`;
};
let icon16 = IconDetails.getPreferredIcon(icons, this.extension, 16).icon;
let icon32 = IconDetails.getPreferredIcon(icons, this.extension, 32).icon;
return `
${getStyle("menupanel-image", icon16)}
${getStyle("menupanel-image-2x", icon32)}
${getStyle("toolbar-image", icon16)}
${getStyle("toolbar-image-2x", icon32)}
`;
}
/**
* Update the toolbar button for a given window.
*
* @param {ChromeWindow} window
* Browser chrome window.
*/
updateWindow(window) {
let node = this.widget.forWindow(window).node;
if (node) {
let tab = window.gBrowser.selectedTab;
this.updateButton(
node,
this.action.getContextData(tab),
false,
OriginControls.getAttention(this.extension.policy, window)
);
}
}
PERSISTENT_EVENTS = {
onClicked({ context, fire }) {
const { extension } = this;
const { tabManager } = extension;
async function listener(_event, tab, clickInfo) {
if (fire.wakeup) {
await fire.wakeup();
}
// TODO: we should double-check if the tab is already being closed by the time
// the background script got started and we converted the primed listener.
context?.withPendingBrowser(tab.linkedBrowser, () =>
fire.sync(tabManager.convert(tab), clickInfo)
);
}
this.on("click", listener);
return {
unregister: () => {
this.off("click", listener);
},
convert(newFire, extContext) {
fire = newFire;
context = extContext;
},
};
},
};
getAPI(context) {
let { extension } = context;
let { action } = this;
let namespace = extension.manifestVersion < 3 ? "browserAction" : "action";
return {
[namespace]: {
...action.api(context),
onClicked: new EventManager({
context,
// module name is "browserAction" because it the name used in the
// ext-browser.json, indipendently from the manifest version.
module: "browserAction",
event: "onClicked",
inputHandling: true,
extensionApi: this,
}).api(),
openPopup: () => {
let window = windowTracker.topWindow;
this.triggerAction(window);
},
},
};
}
};
global.browserActionFor = this.browserAction.for;