1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/browser/metro/base/content/contenthandlers/ConsoleAPIObserver.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,118 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +let Ci = Components.interfaces;
1.9 +let Cc = Components.classes;
1.10 +
1.11 +dump("### ConsoleAPIObserver.js loaded\n");
1.12 +
1.13 +/*
1.14 + * ConsoleAPIObserver
1.15 + *
1.16 + */
1.17 +
1.18 +var ConsoleAPIObserver = {
1.19 + init: function init() {
1.20 + addMessageListener("Browser:TabOpen", this);
1.21 + addMessageListener("Browser:TabClose", this);
1.22 + },
1.23 +
1.24 + receiveMessage: function receiveMessage(aMessage) {
1.25 + let json = aMessage.json;
1.26 + switch (aMessage.name) {
1.27 + case "Browser:TabOpen":
1.28 + Services.obs.addObserver(this, "console-api-log-event", false);
1.29 + break;
1.30 + case "Browser:TabClose":
1.31 + Services.obs.removeObserver(this, "console-api-log-event");
1.32 + break;
1.33 + }
1.34 + },
1.35 +
1.36 + observe: function observe(aMessage, aTopic, aData) {
1.37 + let contentWindowId = content.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).outerWindowID;
1.38 + aMessage = aMessage.wrappedJSObject;
1.39 + if (aMessage.ID != contentWindowId)
1.40 + return;
1.41 +
1.42 + let mappedArguments = Array.map(aMessage.arguments, this.formatResult, this);
1.43 + let joinedArguments = Array.join(mappedArguments, " ");
1.44 +
1.45 + if (aMessage.level == "error" || aMessage.level == "warn") {
1.46 + let flag = (aMessage.level == "error" ? Ci.nsIScriptError.errorFlag : Ci.nsIScriptError.warningFlag);
1.47 + let consoleMsg = Cc["@mozilla.org/scripterror;1"].createInstance(Ci.nsIScriptError);
1.48 + consoleMsg.init(joinedArguments, null, null, 0, 0, flag, "content javascript");
1.49 + Services.console.logMessage(consoleMsg);
1.50 + } else if (aMessage.level == "trace") {
1.51 + let bundle = Services.strings.createBundle("chrome://global/locale/headsUpDisplay.properties");
1.52 + let args = aMessage.arguments;
1.53 + let filename = this.abbreviateSourceURL(args[0].filename);
1.54 + let functionName = args[0].functionName || bundle.GetStringFromName("stacktrace.anonymousFunction");
1.55 + let lineNumber = args[0].lineNumber;
1.56 +
1.57 + let body = bundle.formatStringFromName("stacktrace.outputMessage", [filename, functionName, lineNumber], 3);
1.58 + body += "\n";
1.59 + args.forEach(function(aFrame) {
1.60 + body += aFrame.filename + " :: " + aFrame.functionName + " :: " + aFrame.lineNumber + "\n";
1.61 + });
1.62 +
1.63 + Services.console.logStringMessage(body);
1.64 + } else {
1.65 + Services.console.logStringMessage(joinedArguments);
1.66 + }
1.67 + },
1.68 +
1.69 + getResultType: function getResultType(aResult) {
1.70 + let type = aResult === null ? "null" : typeof aResult;
1.71 + if (type == "object" && aResult.constructor && aResult.constructor.name)
1.72 + type = aResult.constructor.name;
1.73 + return type.toLowerCase();
1.74 + },
1.75 +
1.76 + formatResult: function formatResult(aResult) {
1.77 + let output = "";
1.78 + let type = this.getResultType(aResult);
1.79 + switch (type) {
1.80 + case "string":
1.81 + case "boolean":
1.82 + case "date":
1.83 + case "error":
1.84 + case "number":
1.85 + case "regexp":
1.86 + output = aResult.toString();
1.87 + break;
1.88 + case "null":
1.89 + case "undefined":
1.90 + output = type;
1.91 + break;
1.92 + default:
1.93 + output = aResult.toString();
1.94 + break;
1.95 + }
1.96 +
1.97 + return output;
1.98 + },
1.99 +
1.100 + abbreviateSourceURL: function abbreviateSourceURL(aSourceURL) {
1.101 + // Remove any query parameters.
1.102 + let hookIndex = aSourceURL.indexOf("?");
1.103 + if (hookIndex > -1)
1.104 + aSourceURL = aSourceURL.substring(0, hookIndex);
1.105 +
1.106 + // Remove a trailing "/".
1.107 + if (aSourceURL[aSourceURL.length - 1] == "/")
1.108 + aSourceURL = aSourceURL.substring(0, aSourceURL.length - 1);
1.109 +
1.110 + // Remove all but the last path component.
1.111 + let slashIndex = aSourceURL.lastIndexOf("/");
1.112 + if (slashIndex > -1)
1.113 + aSourceURL = aSourceURL.substring(slashIndex + 1);
1.114 +
1.115 + return aSourceURL;
1.116 + }
1.117 +};
1.118 +this.ConsoleAPIObserver = ConsoleAPIObserver;
1.119 +
1.120 +ConsoleAPIObserver.init();
1.121 +
