mobile/android/chrome/content/ConsoleAPI.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/chrome/content/ConsoleAPI.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,96 @@
     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 file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +"use strict";
     1.8 +
     1.9 +var ConsoleAPI = {
    1.10 +  observe: function observe(aMessage, aTopic, aData) {
    1.11 +    aMessage = aMessage.wrappedJSObject;
    1.12 +
    1.13 +    let mappedArguments = Array.map(aMessage.arguments, this.formatResult, this);
    1.14 +    let joinedArguments = Array.join(mappedArguments, " ");
    1.15 +
    1.16 +    if (aMessage.level == "error" || aMessage.level == "warn") {
    1.17 +      let flag = (aMessage.level == "error" ? Ci.nsIScriptError.errorFlag : Ci.nsIScriptError.warningFlag);
    1.18 +      let consoleMsg = Cc["@mozilla.org/scripterror;1"].createInstance(Ci.nsIScriptError);
    1.19 +      consoleMsg.init(joinedArguments, null, null, 0, 0, flag, "content javascript");
    1.20 +      Services.console.logMessage(consoleMsg);
    1.21 +    } else if (aMessage.level == "trace") {
    1.22 +      let bundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
    1.23 +      let args = aMessage.arguments;
    1.24 +      let filename = this.abbreviateSourceURL(args[0].filename);
    1.25 +      let functionName = args[0].functionName || bundle.GetStringFromName("stacktrace.anonymousFunction");
    1.26 +      let lineNumber = args[0].lineNumber;
    1.27 +
    1.28 +      let body = bundle.formatStringFromName("stacktrace.outputMessage", [filename, functionName, lineNumber], 3);
    1.29 +      body += "\n";
    1.30 +      args.forEach(function(aFrame) {
    1.31 +        let functionName = aFrame.functionName || bundle.GetStringFromName("stacktrace.anonymousFunction");
    1.32 +        body += "  " + aFrame.filename + " :: " + functionName + " :: " + aFrame.lineNumber + "\n";
    1.33 +      });
    1.34 +
    1.35 +      Services.console.logStringMessage(body);
    1.36 +    } else if (aMessage.level == "time" && aMessage.arguments) {
    1.37 +      let bundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
    1.38 +      let body = bundle.formatStringFromName("timer.start", [aMessage.arguments.name], 1);
    1.39 +      Services.console.logStringMessage(body);
    1.40 +    } else if (aMessage.level == "timeEnd" && aMessage.arguments) {
    1.41 +      let bundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
    1.42 +      let body = bundle.formatStringFromName("timer.end", [aMessage.arguments.name, aMessage.arguments.duration], 2);
    1.43 +      Services.console.logStringMessage(body);
    1.44 +    } else if (["group", "groupCollapsed", "groupEnd"].indexOf(aMessage.level) != -1) {
    1.45 +      // Do nothing yet
    1.46 +    } else {
    1.47 +      Services.console.logStringMessage(joinedArguments);
    1.48 +    }
    1.49 +  },
    1.50 +
    1.51 +  getResultType: function getResultType(aResult) {
    1.52 +    let type = aResult === null ? "null" : typeof aResult;
    1.53 +    if (type == "object" && aResult.constructor && aResult.constructor.name)
    1.54 +      type = aResult.constructor.name;
    1.55 +    return type.toLowerCase();
    1.56 +  },
    1.57 +
    1.58 +  formatResult: function formatResult(aResult) {
    1.59 +    let output = "";
    1.60 +    let type = this.getResultType(aResult);
    1.61 +    switch (type) {
    1.62 +      case "string":
    1.63 +      case "boolean":
    1.64 +      case "date":
    1.65 +      case "error":
    1.66 +      case "number":
    1.67 +      case "regexp":
    1.68 +        output = aResult.toString();
    1.69 +        break;
    1.70 +      case "null":
    1.71 +      case "undefined":
    1.72 +        output = type;
    1.73 +        break;
    1.74 +      default:
    1.75 +        output = aResult.toString();
    1.76 +        break;
    1.77 +    }
    1.78 +
    1.79 +    return output;
    1.80 +  },
    1.81 +
    1.82 +  abbreviateSourceURL: function abbreviateSourceURL(aSourceURL) {
    1.83 +    // Remove any query parameters.
    1.84 +    let hookIndex = aSourceURL.indexOf("?");
    1.85 +    if (hookIndex > -1)
    1.86 +      aSourceURL = aSourceURL.substring(0, hookIndex);
    1.87 +
    1.88 +    // Remove a trailing "/".
    1.89 +    if (aSourceURL[aSourceURL.length - 1] == "/")
    1.90 +      aSourceURL = aSourceURL.substring(0, aSourceURL.length - 1);
    1.91 +
    1.92 +    // Remove all but the last path component.
    1.93 +    let slashIndex = aSourceURL.lastIndexOf("/");
    1.94 +    if (slashIndex > -1)
    1.95 +      aSourceURL = aSourceURL.substring(slashIndex + 1);
    1.96 +
    1.97 +    return aSourceURL;
    1.98 +  }
    1.99 +};

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