mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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656 lines
23 KiB
JavaScript
656 lines
23 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var EXPORTED_SYMBOLS = ["PopupNotifications"];
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var Cc = Components.classes, Ci = Components.interfaces;
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Components.utils.import("resource://gre/modules/Services.jsm");
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const NOTIFICATION_EVENT_DISMISSED = "dismissed";
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const NOTIFICATION_EVENT_REMOVED = "removed";
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const NOTIFICATION_EVENT_SHOWN = "shown";
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const ICON_SELECTOR = ".notification-anchor-icon";
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const ICON_ATTRIBUTE_SHOWING = "showing";
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/**
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* Notification object describes a single popup notification.
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*
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* @see PopupNotifications.show()
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*/
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function Notification(id, message, anchorID, mainAction, secondaryActions,
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browser, owner, options) {
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this.id = id;
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this.message = message;
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this.anchorID = anchorID;
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this.mainAction = mainAction;
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this.secondaryActions = secondaryActions || [];
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this.browser = browser;
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this.owner = owner;
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this.options = options || {};
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}
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Notification.prototype = {
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id: null,
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message: null,
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anchorID: null,
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mainAction: null,
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secondaryActions: null,
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browser: null,
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owner: null,
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options: null,
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/**
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* Removes the notification and updates the popup accordingly if needed.
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*/
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remove: function Notification_remove() {
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this.owner.remove(this);
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},
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get anchorElement() {
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let iconBox = this.owner.iconBox;
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if (!iconBox)
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return null;
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let anchorElement = null;
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if (this.anchorID)
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anchorElement = iconBox.querySelector("#"+this.anchorID);
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// Use a default anchor icon if it's available
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if (!anchorElement)
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anchorElement = iconBox.querySelector("#default-notification-icon") ||
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iconBox;
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return anchorElement;
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}
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};
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/**
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* The PopupNotifications object manages popup notifications for a given browser
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* window.
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* @param tabbrowser
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* window's <xul:tabbrowser/>. Used to observe tab switching events and
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* for determining the active browser element.
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* @param panel
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* The <xul:panel/> element to use for notifications. The panel is
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* populated with <popupnotification> children and displayed it as
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* needed.
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* @param iconBox
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* Reference to a container element that should be hidden or
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* unhidden when notifications are hidden or shown. It should be the
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* parent of anchor elements whose IDs are passed to show().
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* It is used as a fallback popup anchor if notifications specify
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* invalid or non-existent anchor IDs.
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*/
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function PopupNotifications(tabbrowser, panel, iconBox) {
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if (!(tabbrowser instanceof Ci.nsIDOMXULElement))
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throw "Invalid tabbrowser";
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if (iconBox && !(iconBox instanceof Ci.nsIDOMXULElement))
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throw "Invalid iconBox";
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if (!(panel instanceof Ci.nsIDOMXULElement))
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throw "Invalid panel";
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this.window = tabbrowser.ownerDocument.defaultView;
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this.panel = panel;
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this.tabbrowser = tabbrowser;
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this.iconBox = iconBox;
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this.panel.addEventListener("popuphidden", this, true);
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this.window.addEventListener("activate", this, true);
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this.tabbrowser.tabContainer.addEventListener("TabSelect", this, true);
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}
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PopupNotifications.prototype = {
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window: null,
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panel: null,
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tabbrowser: null,
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_iconBox: null,
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set iconBox(iconBox) {
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// Remove the listeners on the old iconBox, if needed
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if (this._iconBox) {
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this._iconBox.removeEventListener("click", this, false);
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this._iconBox.removeEventListener("keypress", this, false);
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}
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this._iconBox = iconBox;
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if (iconBox) {
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iconBox.addEventListener("click", this, false);
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iconBox.addEventListener("keypress", this, false);
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}
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},
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get iconBox() {
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return this._iconBox;
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},
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/**
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* Retrieve a Notification object associated with the browser/ID pair.
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* @param id
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* The Notification ID to search for.
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* @param browser
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* The browser whose notifications should be searched. If null, the
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* currently selected browser's notifications will be searched.
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*
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* @returns the corresponding Notification object, or null if no such
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* notification exists.
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*/
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getNotification: function PopupNotifications_getNotification(id, browser) {
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let n = null;
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let notifications = this._getNotificationsForBrowser(browser || this.tabbrowser.selectedBrowser);
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notifications.some(function(x) x.id == id && (n = x));
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return n;
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},
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/**
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* Adds a new popup notification.
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* @param browser
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* The <xul:browser> element associated with the notification. Must not
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* be null.
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* @param id
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* A unique ID that identifies the type of notification (e.g.
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* "geolocation"). Only one notification with a given ID can be visible
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* at a time. If a notification already exists with the given ID, it
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* will be replaced.
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* @param message
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* The text to be displayed in the notification.
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* @param anchorID
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* The ID of the element that should be used as this notification
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* popup's anchor. May be null, in which case the notification will be
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* anchored to the iconBox.
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* @param mainAction
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* A JavaScript object literal describing the notification button's
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* action. If present, it must have the following properties:
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* - label (string): the button's label.
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* - accessKey (string): the button's accessKey.
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* - callback (function): a callback to be invoked when the button is
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* pressed.
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* If null, the notification will not have a button, and
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* secondaryActions will be ignored.
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* @param secondaryActions
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* An optional JavaScript array describing the notification's alternate
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* actions. The array should contain objects with the same properties
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* as mainAction. These are used to populate the notification button's
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* dropdown menu.
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* @param options
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* An options JavaScript object holding additional properties for the
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* notification. The following properties are currently supported:
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* persistence: An integer. The notification will not automatically
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* dismiss for this many page loads.
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* timeout: A time in milliseconds. The notification will not
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* automatically dismiss before this time.
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* persistWhileVisible:
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* A boolean. If true, a visible notification will always
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* persist across location changes.
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* dismissed: Whether the notification should be added as a dismissed
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* notification. Dismissed notifications can be activated
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* by clicking on their anchorElement.
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* eventCallback:
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* Callback to be invoked when the notification changes
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* state. The callback's first argument is a string
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* identifying the state change:
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* "dismissed": notification has been dismissed by the
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* user (e.g. by clicking away or switching
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* tabs)
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* "removed": notification has been removed (due to
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* location change or user action)
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* "shown": notification has been shown (this can be fired
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* multiple times as notifications are dismissed
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* and re-shown)
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* neverShow: Indicate that no popup should be shown for this
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* notification. Useful for just showing the anchor icon.
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* removeOnDismissal:
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* Notifications with this parameter set to true will be
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* removed when they would have otherwise been dismissed
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* (i.e. any time the popup is closed due to user
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* interaction).
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* popupIconURL:
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* A string. URL of the image to be displayed in the popup.
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* Normally specified in CSS using list-style-image and the
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* .popup-notification-icon[popupid=...] selector.
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* @returns the Notification object corresponding to the added notification.
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*/
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show: function PopupNotifications_show(browser, id, message, anchorID,
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mainAction, secondaryActions, options) {
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function isInvalidAction(a) {
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return !a || !(typeof(a.callback) == "function") || !a.label || !a.accessKey;
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}
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if (!browser)
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throw "PopupNotifications_show: invalid browser";
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if (!id)
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throw "PopupNotifications_show: invalid ID";
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if (mainAction && isInvalidAction(mainAction))
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throw "PopupNotifications_show: invalid mainAction";
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if (secondaryActions && secondaryActions.some(isInvalidAction))
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throw "PopupNotifications_show: invalid secondaryActions";
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let notification = new Notification(id, message, anchorID, mainAction,
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secondaryActions, browser, this, options);
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if (options && options.dismissed)
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notification.dismissed = true;
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let existingNotification = this.getNotification(id, browser);
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if (existingNotification)
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this._remove(existingNotification);
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let notifications = this._getNotificationsForBrowser(browser);
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notifications.push(notification);
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let fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
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if (browser == this.tabbrowser.selectedBrowser && fm.activeWindow == this.window) {
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// show panel now
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this._update(notification.anchorElement);
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} else {
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// Otherwise, update() will display the notification the next time the
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// relevant tab/window is selected.
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// Notify observers that we're not showing the popup (useful for testing)
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this._notify("backgroundShow");
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}
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return notification;
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},
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/**
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* Returns true if the notification popup is currently being displayed.
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*/
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get isPanelOpen() {
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let panelState = this.panel.state;
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return panelState == "showing" || panelState == "open";
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},
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/**
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* Called by the consumer to indicate that the current browser's location has
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* changed, so that we can update the active notifications accordingly.
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*/
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locationChange: function PopupNotifications_locationChange() {
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this._currentNotifications = this._currentNotifications.filter(function(notification) {
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// The persistWhileVisible option allows an open notification to persist
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// across location changes
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if (notification.options.persistWhileVisible &&
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this.isPanelOpen) {
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if ("persistence" in notification.options &&
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notification.options.persistence)
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notification.options.persistence--;
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return true;
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}
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// The persistence option allows a notification to persist across multiple
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// page loads
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if ("persistence" in notification.options &&
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notification.options.persistence) {
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notification.options.persistence--;
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return true;
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}
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// The timeout option allows a notification to persist until a certain time
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if ("timeout" in notification.options &&
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Date.now() <= notification.options.timeout) {
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return true;
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}
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this._fireCallback(notification, NOTIFICATION_EVENT_REMOVED);
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return false;
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}, this);
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this._update();
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},
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/**
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* Removes a Notification.
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* @param notification
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* The Notification object to remove.
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*/
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remove: function PopupNotifications_remove(notification) {
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let isCurrent = this._currentNotifications.indexOf(notification) != -1;
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this._remove(notification);
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// update the panel, if needed
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if (isCurrent)
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this._update();
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},
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handleEvent: function (aEvent) {
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switch (aEvent.type) {
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case "popuphidden":
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this._onPopupHidden(aEvent);
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break;
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case "activate":
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case "TabSelect":
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let self = this;
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// setTimeout(..., 0) needed, otherwise openPopup from "activate" event
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// handler results in the popup being hidden again for some reason...
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this.window.setTimeout(function () {
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self._update();
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}, 0);
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break;
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case "click":
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case "keypress":
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this._onIconBoxCommand(aEvent);
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break;
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}
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},
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////////////////////////////////////////////////////////////////////////////////
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// Utility methods
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////////////////////////////////////////////////////////////////////////////////
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_ignoreDismissal: null,
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_currentAnchorElement: null,
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/**
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* Gets and sets notifications for the currently selected browser.
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*/
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get _currentNotifications() {
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return this._getNotificationsForBrowser(this.tabbrowser.selectedBrowser);
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},
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set _currentNotifications(a) {
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return this.tabbrowser.selectedBrowser.popupNotifications = a;
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},
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_remove: function PopupNotifications_removeHelper(notification) {
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// This notification may already be removed, in which case let's just fail
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// silently.
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let notifications = this._getNotificationsForBrowser(notification.browser);
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if (!notifications)
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return;
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var index = notifications.indexOf(notification);
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if (index == -1)
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return;
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notification.anchorElement.removeAttribute(ICON_ATTRIBUTE_SHOWING);
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// remove the notification
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notifications.splice(index, 1);
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this._fireCallback(notification, NOTIFICATION_EVENT_REMOVED);
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},
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/**
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* Dismisses the notification without removing it.
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*/
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_dismiss: function PopupNotifications_dismiss() {
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let browser = this.panel.firstChild &&
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this.panel.firstChild.notification.browser;
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this.panel.hidePopup();
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if (browser)
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browser.focus();
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},
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/**
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* Hides the notification popup.
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*/
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_hidePanel: function PopupNotifications_hide() {
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this._ignoreDismissal = true;
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this.panel.hidePopup();
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this._ignoreDismissal = false;
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},
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/**
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*
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*/
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_refreshPanel: function PopupNotifications_refreshPanel(notificationsToShow) {
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while (this.panel.lastChild)
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this.panel.removeChild(this.panel.lastChild);
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const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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notificationsToShow.forEach(function (n) {
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let doc = this.window.document;
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let popupnotification = doc.createElementNS(XUL_NS, "popupnotification");
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popupnotification.setAttribute("label", n.message);
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// Append "-notification" to the ID to try to avoid ID conflicts with other stuff
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// in the document.
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popupnotification.setAttribute("id", n.id + "-notification");
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popupnotification.setAttribute("popupid", n.id);
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popupnotification.setAttribute("closebuttoncommand", "PopupNotifications._dismiss();");
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if (n.mainAction) {
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popupnotification.setAttribute("buttonlabel", n.mainAction.label);
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popupnotification.setAttribute("buttonaccesskey", n.mainAction.accessKey);
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popupnotification.setAttribute("buttoncommand", "PopupNotifications._onButtonCommand(event);");
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popupnotification.setAttribute("menucommand", "PopupNotifications._onMenuCommand(event);");
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popupnotification.setAttribute("closeitemcommand", "PopupNotifications._dismiss();event.stopPropagation();");
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}
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if (n.options.popupIconURL)
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popupnotification.setAttribute("icon", n.options.popupIconURL);
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popupnotification.notification = n;
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if (n.secondaryActions) {
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n.secondaryActions.forEach(function (a) {
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let item = doc.createElementNS(XUL_NS, "menuitem");
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item.setAttribute("label", a.label);
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item.setAttribute("accesskey", a.accessKey);
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item.notification = n;
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item.action = a;
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popupnotification.appendChild(item);
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}, this);
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if (n.secondaryActions.length) {
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let closeItemSeparator = doc.createElementNS(XUL_NS, "menuseparator");
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popupnotification.appendChild(closeItemSeparator);
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}
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}
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this.panel.appendChild(popupnotification);
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}, this);
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},
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_showPanel: function PopupNotifications_showPanel(notificationsToShow, anchorElement) {
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this.panel.hidden = false;
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this._refreshPanel(notificationsToShow);
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if (this.isPanelOpen && this._currentAnchorElement == anchorElement)
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return;
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// If the panel is already open but we're changing anchors, we need to hide
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// it first. Otherwise it can appear in the wrong spot. (_hidePanel is
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// safe to call even if the panel is already hidden.)
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this._hidePanel();
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// If the anchor element is hidden or null, use the tab as the anchor. We
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// only ever show notifications for the current browser, so we can just use
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// the current tab.
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let selectedTab = this.tabbrowser.selectedTab;
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if (anchorElement) {
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let bo = anchorElement.boxObject;
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if (bo.height == 0 && bo.width == 0)
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anchorElement = selectedTab; // hidden
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} else {
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anchorElement = selectedTab; // null
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}
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this._currentAnchorElement = anchorElement;
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this.panel.openPopup(anchorElement, "bottomcenter topleft");
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notificationsToShow.forEach(function (n) {
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this._fireCallback(n, NOTIFICATION_EVENT_SHOWN);
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}, this);
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},
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/**
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* Updates the notification state in response to window activation or tab
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* selection changes.
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*/
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_update: function PopupNotifications_update(anchor) {
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if (this.iconBox) {
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// hide icons of the previous tab.
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this._hideIcons();
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}
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let anchorElement, notificationsToShow = [];
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let currentNotifications = this._currentNotifications;
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let haveNotifications = currentNotifications.length > 0;
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if (haveNotifications) {
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// Only show the notifications that have the passed-in anchor (or the
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// first notification's anchor, if none was passed in). Other
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// notifications will be shown once these are dismissed.
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anchorElement = anchor || currentNotifications[0].anchorElement;
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if (this.iconBox) {
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this._showIcons(currentNotifications);
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this.iconBox.hidden = false;
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}
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// Also filter out notifications that have been dismissed.
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notificationsToShow = currentNotifications.filter(function (n) {
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return !n.dismissed && n.anchorElement == anchorElement &&
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!n.options.neverShow;
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});
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}
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if (notificationsToShow.length > 0) {
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this._showPanel(notificationsToShow, anchorElement);
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} else {
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// Notify observers that we're not showing the popup (useful for testing)
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this._notify("updateNotShowing");
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// Dismiss the panel if needed. _onPopupHidden will ensure we never call
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// a dismissal handler on a notification that's been removed.
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this._dismiss();
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// Only hide the iconBox if we actually have no notifications (as opposed
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// to not having any showable notifications)
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if (this.iconBox && !haveNotifications)
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this.iconBox.hidden = true;
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}
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},
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_showIcons: function PopupNotifications_showIcons(aCurrentNotifications) {
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for (let notification of aCurrentNotifications) {
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let anchorElm = notification.anchorElement;
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if (anchorElm) {
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anchorElm.setAttribute(ICON_ATTRIBUTE_SHOWING, "true");
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}
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}
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},
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_hideIcons: function PopupNotifications_hideIcons() {
|
|
let icons = this.iconBox.querySelectorAll(ICON_SELECTOR);
|
|
for (let icon of icons) {
|
|
icon.removeAttribute(ICON_ATTRIBUTE_SHOWING);
|
|
}
|
|
},
|
|
|
|
_getNotificationsForBrowser: function PopupNotifications_getNotifications(browser) {
|
|
if (browser.popupNotifications)
|
|
return browser.popupNotifications;
|
|
|
|
return browser.popupNotifications = [];
|
|
},
|
|
|
|
_onIconBoxCommand: function PopupNotifications_onIconBoxCommand(event) {
|
|
// Left click, space or enter only
|
|
let type = event.type;
|
|
if (type == "click" && event.button != 0)
|
|
return;
|
|
|
|
if (type == "keypress" &&
|
|
!(event.charCode == Ci.nsIDOMKeyEvent.DOM_VK_SPACE ||
|
|
event.keyCode == Ci.nsIDOMKeyEvent.DOM_VK_RETURN))
|
|
return;
|
|
|
|
if (this._currentNotifications.length == 0)
|
|
return;
|
|
|
|
// Get the anchor that is the immediate child of the icon box
|
|
let anchor = event.target;
|
|
while (anchor && anchor.parentNode != this.iconBox)
|
|
anchor = anchor.parentNode;
|
|
|
|
// Mark notifications anchored to this anchor as un-dismissed
|
|
this._currentNotifications.forEach(function (n) {
|
|
if (n.anchorElement == anchor)
|
|
n.dismissed = false;
|
|
});
|
|
|
|
// ...and then show them.
|
|
this._update(anchor);
|
|
},
|
|
|
|
_fireCallback: function PopupNotifications_fireCallback(n, event) {
|
|
if (n.options.eventCallback)
|
|
n.options.eventCallback.call(n, event);
|
|
},
|
|
|
|
_onPopupHidden: function PopupNotifications_onPopupHidden(event) {
|
|
if (event.target != this.panel || this._ignoreDismissal)
|
|
return;
|
|
|
|
let browser = this.panel.firstChild &&
|
|
this.panel.firstChild.notification.browser;
|
|
if (!browser)
|
|
return;
|
|
|
|
let notifications = this._getNotificationsForBrowser(browser);
|
|
// Mark notifications as dismissed and call dismissal callbacks
|
|
Array.forEach(this.panel.childNodes, function (nEl) {
|
|
let notificationObj = nEl.notification;
|
|
// Never call a dismissal handler on a notification that's been removed.
|
|
if (notifications.indexOf(notificationObj) == -1)
|
|
return;
|
|
|
|
// Do not mark the notification as dismissed or fire NOTIFICATION_EVENT_DISMISSED
|
|
// if the notification is removed.
|
|
if (notificationObj.options.removeOnDismissal)
|
|
this._remove(notificationObj);
|
|
else {
|
|
notificationObj.dismissed = true;
|
|
this._fireCallback(notificationObj, NOTIFICATION_EVENT_DISMISSED);
|
|
}
|
|
}, this);
|
|
|
|
while (this.panel.lastChild)
|
|
this.panel.removeChild(this.panel.lastChild);
|
|
|
|
this._update();
|
|
},
|
|
|
|
_onButtonCommand: function PopupNotifications_onButtonCommand(event) {
|
|
// Need to find the associated notification object, which is a bit tricky
|
|
// since it isn't associated with the button directly - this is kind of
|
|
// gross and very dependent on the structure of the popupnotification
|
|
// binding's content.
|
|
let target = event.originalTarget;
|
|
let notificationEl;
|
|
let parent = target;
|
|
while (parent && (parent = target.ownerDocument.getBindingParent(parent)))
|
|
notificationEl = parent;
|
|
|
|
if (!notificationEl)
|
|
throw "PopupNotifications_onButtonCommand: couldn't find notification element";
|
|
|
|
if (!notificationEl.notification)
|
|
throw "PopupNotifications_onButtonCommand: couldn't find notification";
|
|
|
|
let notification = notificationEl.notification;
|
|
notification.mainAction.callback.call();
|
|
|
|
this._remove(notification);
|
|
this._update();
|
|
},
|
|
|
|
_onMenuCommand: function PopupNotifications_onMenuCommand(event) {
|
|
let target = event.originalTarget;
|
|
if (!target.action || !target.notification)
|
|
throw "menucommand target has no associated action/notification";
|
|
|
|
event.stopPropagation();
|
|
target.action.callback.call();
|
|
|
|
this._remove(target.notification);
|
|
this._update();
|
|
},
|
|
|
|
_notify: function PopupNotifications_notify(topic) {
|
|
Services.obs.notifyObservers(null, "PopupNotifications-" + topic, "");
|
|
},
|
|
};
|