forked from mirrors/gecko-dev
1f830c96da
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D36042 --HG-- extra : source : d3afcafdce650a6f36cebbc126ee93b17f13cf52
88 lines
2.6 KiB
JavaScript
88 lines
2.6 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* Handles the download progress indicator of the macOS Finder.
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*/
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"use strict";
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var EXPORTED_SYMBOLS = ["DownloadsMacFinderProgress"];
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const { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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XPCOMUtils.defineLazyModuleGetters(this, {
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Downloads: "resource://gre/modules/Downloads.jsm",
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});
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var DownloadsMacFinderProgress = {
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/**
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* Maps the path of the download, to the according progress indicator instance.
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*/
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_finderProgresses: null,
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/**
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* This method is called after a new browser window on macOS is opened, it
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* registers for receiving download events for the progressbar of the Finder.
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*/
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register() {
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// Ensure to register only once per process and not for every window.
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if (!this._finderProgresses) {
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this._finderProgresses = new Map();
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Downloads.getList(Downloads.ALL).then(list => list.addView(this));
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}
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},
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onDownloadAdded(download) {
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if (download.stopped) {
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return;
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}
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let finderProgress = Cc[
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"@mozilla.org/widget/macfinderprogress;1"
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].createInstance(Ci.nsIMacFinderProgress);
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let path = download.target.path;
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finderProgress.init(path, () => {
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download.cancel().catch(Cu.reportError);
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download.removePartialData().catch(Cu.reportError);
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});
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if (download.hasProgress) {
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finderProgress.updateProgress(download.currentBytes, download.totalBytes);
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} else {
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finderProgress.updateProgress(0, 0);
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}
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this._finderProgresses.set(path, finderProgress);
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},
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onDownloadChanged(download) {
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let path = download.target.path;
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let finderProgress = this._finderProgresses.get(path);
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if (!finderProgress) {
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// The download is not tracked, it may have been restarted,
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// thus forward the call to onDownloadAdded to check if it should be tracked.
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this.onDownloadAdded(download);
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} else if (download.stopped) {
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finderProgress.end();
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this._finderProgresses.delete(path);
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} else {
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finderProgress.updateProgress(download.currentBytes, download.totalBytes);
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}
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},
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onDownloadRemoved(download) {
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let path = download.target.path;
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let finderProgress = this._finderProgresses.get(path);
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if (finderProgress) {
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finderProgress.end();
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this._finderProgresses.delete(path);
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}
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},
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};
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