Have media content and chrome browser tests load data from media/test/data

chrome/test/data/media/eme_player_js/utils.js

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Utils provide logging functions and other JS functions commonly used by the
-// app and media players.
-var Utils = new function() {
-  this.titleChanged = false;
-};
-
-// Adds options to document element.
-Utils.addOptions = function(elementID, keyValueOptions, disabledOptions) {
-  disabledOptions = disabledOptions || [];
-  var selectElement = document.getElementById(elementID);
-  var keys = Object.keys(keyValueOptions);
-  for (var i = 0; i < keys.length; i++) {
-    var key = keys[i];
-    var option = new Option(key, keyValueOptions[key]);
-    option.title = keyValueOptions[key];
-    if (disabledOptions.indexOf(key) >= 0)
-      option.disabled = true;
-    selectElement.options.add(option);
-  }
-};
-
-Utils.convertToArray = function(input) {
-  if (Array.isArray(input))
-    return input;
-  return [input];
-};
-
-Utils.convertToUint8Array = function(msg) {
-  var ans = new Uint8Array(msg.length);
-  for (var i = 0; i < msg.length; i++) {
-    ans[i] = msg.charCodeAt(i);
-  }
-  return ans;
-};
-
-Utils.createJWKData = function(keyId, key) {
-  // JWK routines copied from third_party/WebKit/LayoutTests/media/
-  //   encrypted-media/encrypted-media-utils.js
-  //
-  // Encodes data (Uint8Array) into base64 string without trailing '='.
-  // TODO(jrummell): Update once the EME spec is updated to say base64url
-  // encoding.
-  function base64Encode(data) {
-    var result = btoa(String.fromCharCode.apply(null, data));
-    return result.replace(/=+$/g, '');
-  }
-
-  // Creates a JWK from raw key ID and key.
-  function createJWK(keyId, key) {
-    var jwk = '{"kty":"oct","kid":"';
-    jwk += base64Encode(keyId);
-    jwk += '","k":"';
-    jwk += base64Encode(key);
-    jwk += '"}';
-    return jwk;
-  }
-
-  // Creates a JWK Set from an array of JWK(s).
-  function createJWKSet() {
-    var jwkSet = '{"keys":[';
-    for (var i = 0; i < arguments.length; i++) {
-      if (i != 0)
-        jwkSet += ',';
-      jwkSet += arguments[i];
-    }
-    jwkSet += ']}';
-    return jwkSet;
-  }
-
-  return Utils.convertToUint8Array(createJWKSet(createJWK(keyId, key)));
-};
-
-Utils.documentLog = function(log, success, time) {
-  if (!docLogs)
-    return;
-  time = time || Utils.getCurrentTimeString();
-  var timeLog = '<span style="color: green">' + time + '</span>';
-  var logColor = !success ? 'red' : 'black'; // default is true.
-  log = '<span style="color: "' + logColor + '>' + log + '</span>';
-  docLogs.innerHTML = timeLog + ' - ' + log + '<br>' + docLogs.innerHTML;
-};
-
-Utils.ensureOptionInList = function(listID, option) {
-  var selectElement = document.getElementById(listID);
-  for (var i = 0; i < selectElement.length; i++) {
-    if (selectElement.options[i].value == option) {
-      selectElement.value = option;
-      return;
-    }
-  }
-  // The list does not have the option, let's add it and select it.
-  var optionElement = new Option(option, option);
-  optionElement.title = option;
-  selectElement.options.add(optionElement);
-  selectElement.value = option;
-};
-
-Utils.failTest = function(msg, newTitle) {
-  var failMessage = 'FAIL: ';
-  var title = 'FAILED';
-  // Handle exception messages;
-  if (msg.message) {
-    title = msg.name || 'Error';
-    failMessage += title + ' ' + msg.message;
-  } else if (msg instanceof Event) {
-    // Handle failing events.
-    failMessage = msg.target + '.' + msg.type;
-    title = msg.type;
-  } else {
-    failMessage += msg;
-  }
-  // Force newTitle if passed.
-  title = newTitle || title;
-  // Log failure.
-  Utils.documentLog(failMessage, false);
-  console.log(failMessage, msg);
-  Utils.setResultInTitle(title);
-};
-
-Utils.getCurrentTimeString = function() {
-  var date = new Date();
-  var hours = ('0' + date.getHours()).slice(-2);
-  var minutes = ('0' + date.getMinutes()).slice(-2);
-  var secs = ('0' + date.getSeconds()).slice(-2);
-  var milliSecs = ('00' + date.getMilliseconds()).slice(-3);
-  return hours + ':' + minutes + ':' + secs + '.' + milliSecs;
-};
-
-Utils.getDefaultKey = function(forceInvalidResponse) {
-  if (forceInvalidResponse) {
-    Utils.timeLog('Forcing invalid key data.');
-    return new Uint8Array([0xAA]);
-  }
-  return KEY;
-};
-
-Utils.getHexString = function(uintArray) {
-  var hex_str = '';
-  for (var i = 0; i < uintArray.length; i++) {
-    var hex = uintArray[i].toString(16);
-    if (hex.length == 1)
-      hex = '0' + hex;
-    hex_str += hex;
-  }
-  return hex_str;
-};
-
-Utils.getInitDataFromMessage = function(message, mediaType) {
-  var initData = message.message;
-  if (mediaType.indexOf('mp4') != -1) {
-    // Temporary hack for Clear Key in v0.1.
-    // If content uses mp4, then message.message is PSSH data. Instead of
-    // parsing that data we hard code the initData.
-    initData = Utils.convertToUint8Array(KEY_ID);
-  }
-  return initData;
-};
-
-Utils.hasPrefix = function(msg, prefix) {
-  var message = String.fromCharCode.apply(null, msg);
-  return message.substring(0, prefix.length) == prefix;
-};
-
-Utils.installTitleEventHandler = function(element, event) {
-  element.addEventListener(event, function(e) {
-    Utils.setResultInTitle(e.type);
-  }, false);
-};
-
-Utils.isHeartBeatMessage = function(msg) {
-  return Utils.hasPrefix(msg, HEART_BEAT_HEADER);
-};
-
-Utils.resetTitleChange = function() {
-  this.titleChanged = false;
-  document.title = '';
-};
-
-Utils.sendRequest = function(requestType, responseType, message, serverURL,
-                             onSuccessCallbackFn, forceInvalidResponse) {
-  var requestAttemptCount = 0;
-  var MAXIMUM_REQUEST_ATTEMPTS = 3;
-  var REQUEST_RETRY_DELAY_MS = 3000;
-
-  function sendRequestAttempt() {
-    requestAttemptCount++;
-    if (requestAttemptCount == MAXIMUM_REQUEST_ATTEMPTS) {
-      Utils.failTest('FAILED: Exceeded maximum license request attempts.');
-      return;
-    }
-    var xmlhttp = new XMLHttpRequest();
-    xmlhttp.responseType = responseType;
-    xmlhttp.open(requestType, serverURL, true);
-
-    xmlhttp.onload = function(e) {
-      if (this.status == 200) {
-        if (onSuccessCallbackFn)
-          onSuccessCallbackFn(this.response);
-      } else {
-        Utils.timeLog('Bad response status: ' + this.status);
-        Utils.timeLog('Bad response: ' + this.response);
-        Utils.timeLog('Retrying request if possible in ' +
-                      REQUEST_RETRY_DELAY_MS + 'ms');
-        setTimeout(sendRequestAttempt, REQUEST_RETRY_DELAY_MS);
-      }
-    };
-    Utils.timeLog('Attempt (' + requestAttemptCount +
-                  '): sending request to server: ' + serverURL);
-    xmlhttp.send(message);
-  }
-
-  if (forceInvalidResponse) {
-    Utils.timeLog('Not sending request - forcing an invalid response.');
-    return onSuccessCallbackFn([0xAA]);
-  }
-  sendRequestAttempt();
-};
-
-Utils.setResultInTitle = function(title) {
-  // If document title is 'ENDED', then update it with new title to possibly
-  // mark a test as failure.  Otherwise, keep the first title change in place.
-  if (!this.titleChanged || document.title.toUpperCase() == 'ENDED')
-    document.title = title.toUpperCase();
-  Utils.timeLog('Set document title to: ' + title + ', updated title: ' +
-                document.title);
-  this.titleChanged = true;
-};
-
-Utils.timeLog = function(/**/) {
-  if (arguments.length == 0)
-    return;
-  var time = Utils.getCurrentTimeString();
-  // Log to document.
-  Utils.documentLog(arguments[0], time);
-  // Log to JS console.
-  var logString = time + ' - ';
-  for (var i = 0; i < arguments.length; i++) {
-    logString += ' ' + arguments[i];
-  }
-  console.log(logString);
-};