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84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- /
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Cu } = require("chrome");
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const DevToolsUtils = require("devtools/shared/DevToolsUtils");
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const promise = require("promise");
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const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
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const { BrowserTabList } = require("devtools/server/actors/webbrowser");
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XPCOMUtils.defineLazyGetter(this, "Frames", function() {
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const { Frames } =
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Cu.import("resource://gre/modules/Frames.jsm", {});
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return Frames;
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});
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/**
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* Unlike the original BrowserTabList which iterates over XUL windows, we
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* override many portions to refer to Frames for the info needed here.
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*/
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function B2GTabList(connection) {
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BrowserTabList.call(this, connection);
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this._listening = false;
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}
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B2GTabList.prototype = Object.create(BrowserTabList.prototype);
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B2GTabList.prototype._getBrowsers = function() {
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return Frames.list().filter(frame => {
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// Ignore app frames
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return !frame.getAttribute("mozapp");
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});
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};
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B2GTabList.prototype._getSelectedBrowser = function() {
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return this._getBrowsers().find(frame => {
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// Find the one visible browser (if any)
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return !frame.classList.contains("hidden");
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});
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};
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B2GTabList.prototype._checkListening = function() {
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// The conditions from BrowserTabList are merged here, since we must listen to
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// all events with our observer design.
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this._listenForEventsIf(this._onListChanged && this._mustNotify ||
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this._actorByBrowser.size > 0);
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};
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B2GTabList.prototype._listenForEventsIf = function(shouldListen) {
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if (this._listening != shouldListen) {
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let op = shouldListen ? "addObserver" : "removeObserver";
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Frames[op](this);
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this._listening = shouldListen;
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}
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};
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B2GTabList.prototype.onFrameCreated = function(frame) {
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let mozapp = frame.getAttribute("mozapp");
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if (mozapp) {
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// Ignore app frames
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return;
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}
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this._notifyListChanged();
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this._checkListening();
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};
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B2GTabList.prototype.onFrameDestroyed = function(frame) {
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let mozapp = frame.getAttribute("mozapp");
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if (mozapp) {
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// Ignore app frames
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return;
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}
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let actor = this._actorByBrowser.get(frame);
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if (actor) {
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this._handleActorClose(actor, frame);
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}
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};
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exports.B2GTabList = B2GTabList;
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