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author | Matt A. Tobin <email@mattatobin.com> | 2018-02-02 03:35:06 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2018-02-02 03:35:06 -0500 |
commit | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (patch) | |
tree | 6efefe6a09feb09d965932b24e10436b9ac8189c /application/palemoon/components/downloads/DownloadsLogger.jsm | |
parent | e72ef92b5bdc43cd2584198e2e54e951b70299e8 (diff) | |
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Add Pale Moon
Diffstat (limited to 'application/palemoon/components/downloads/DownloadsLogger.jsm')
-rw-r--r-- | application/palemoon/components/downloads/DownloadsLogger.jsm | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/application/palemoon/components/downloads/DownloadsLogger.jsm b/application/palemoon/components/downloads/DownloadsLogger.jsm new file mode 100644 index 000000000..1218539c9 --- /dev/null +++ b/application/palemoon/components/downloads/DownloadsLogger.jsm @@ -0,0 +1,76 @@ +/* -*- Mode: js2; js2-basic-offset: 2; indent-tabs-mode: nil; -*- */ +/* vim: set ft=javascript ts=2 et sw=2 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/. */ + +/** + * The contents of this file were copied almost entirely from + * toolkit/identity/LogUtils.jsm. Until we've got a more generalized logging + * mechanism for toolkit, I think this is going to be how we roll. + */ + +"use strict"; + +this.EXPORTED_SYMBOLS = ["DownloadsLogger"]; +const PREF_DEBUG = "browser.download.debug"; + +const Cu = Components.utils; +const Ci = Components.interfaces; +const Cc = Components.classes; +const Cr = Components.results; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); +Cu.import("resource://gre/modules/Services.jsm"); + +this.DownloadsLogger = { + _generateLogMessage: function _generateLogMessage(args) { + // create a string representation of a list of arbitrary things + let strings = []; + + for (let arg of args) { + if (typeof arg === 'string') { + strings.push(arg); + } else if (arg === undefined) { + strings.push('undefined'); + } else if (arg === null) { + strings.push('null'); + } else { + try { + strings.push(JSON.stringify(arg, null, 2)); + } catch(err) { + strings.push("<<something>>"); + } + } + }; + return 'Downloads: ' + strings.join(' '); + }, + + /** + * log() - utility function to print a list of arbitrary things + * + * Enable with about:config pref browser.download.debug + */ + log: function DL_log(...args) { + let output = this._generateLogMessage(args); + dump(output + "\n"); + + // Additionally, make the output visible in the Error Console + Services.console.logStringMessage(output); + }, + + /** + * reportError() - report an error through component utils as well as + * our log function + */ + reportError: function DL_reportError(...aArgs) { + // Report the error in the browser + let output = this._generateLogMessage(aArgs); + Cu.reportError(output); + dump("ERROR:" + output + "\n"); + for (let frame = Components.stack.caller; frame; frame = frame.caller) { + dump("\t" + frame + "\n"); + } + } + +}; |