1 files changed, 0 insertions, 472 deletions
diff --git a/chromium/chrome/browser/resources/chromeos/chromevox/chromevox/background/background.js b/chromium/chrome/browser/resources/chromeos/chromevox/chromevox/background/background.js
deleted file mode 100644
index 9393c4ad33b..00000000000
--- a/chromium/chrome/browser/resources/chromeos/chromevox/chromevox/background/background.js
+++ /dev/null
@@ -1,472 +0,0 @@
-// 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.
-
-/**
- * @fileoverview Script that runs on the background page.
- */
-
-goog.provide('cvox.ChromeVoxBackground');
-
-goog.require('Msgs');
-goog.require('cvox.AbstractEarcons');
-goog.require('cvox.BrailleBackground');
-goog.require('cvox.BrailleCaptionsBackground');
-goog.require('cvox.ChromeVox');
-goog.require('cvox.ChromeVoxEditableTextBase');
-goog.require('cvox.ChromeVoxPrefs');
-goog.require('cvox.CompositeTts');
-goog.require('cvox.ConsoleTts');
-goog.require('cvox.EarconsBackground');
-goog.require('cvox.ExtensionBridge');
-goog.require('cvox.HostFactory');
-goog.require('cvox.InjectedScriptLoader');
-goog.require('cvox.NavBraille');
-// TODO(dtseng): This is required to prevent Closure from stripping our export
-// prefs on window.
-goog.require('cvox.OptionsPage');
-goog.require('cvox.PlatformFilter');
-goog.require('cvox.PlatformUtil');
-goog.require('cvox.QueueMode');
-goog.require('cvox.TabsApiHandler');
-goog.require('cvox.TtsBackground');
-
-
-/**
- * This object manages the global and persistent state for ChromeVox.
- * It listens for messages from the content scripts on pages and
- * interprets them.
- * @constructor
- */
-cvox.ChromeVoxBackground = function() {
-};
-
-
-/**
- * Initialize the background page: set up TTS and bridge listeners.
- */
-cvox.ChromeVoxBackground.prototype.init = function() {
-  // In the case of ChromeOS, only continue initialization if this instance of
-  // ChromeVox is as we expect. This prevents ChromeVox from the webstore from
-  // running.
-  if (cvox.ChromeVox.isChromeOS &&
-      chrome.i18n.getMessage('@@extension_id') !=
-          'mndnfokpggljbaajbnioimlmbfngpief') {
-    return;
-  }
-
-  this.prefs = new cvox.ChromeVoxPrefs();
-  this.readPrefs();
-
-  var consoleTts = cvox.ConsoleTts.getInstance();
-  consoleTts.setEnabled(true);
-
-  /**
-   * Chrome's actual TTS which knows and cares about pitch, volume, etc.
-   * @type {cvox.TtsBackground}
-   * @private
-   */
-  this.backgroundTts_ = new cvox.TtsBackground();
-
-  /**
-   * @type {cvox.TtsInterface}
-   */
-  this.tts = new cvox.CompositeTts()
-      .add(this.backgroundTts_)
-      .add(consoleTts);
-
-  this.earcons = new cvox.EarconsBackground();
-  this.addBridgeListener();
-
-  /**
-   * The actual Braille service.
-   * @type {cvox.BrailleBackground}
-   * @private
-   */
-  this.backgroundBraille_ = new cvox.BrailleBackground();
-
-    this.tabsApiHandler_ = new cvox.TabsApiHandler(
-      this.tts, this.backgroundBraille_, this.earcons);
-
-  // Export globals on cvox.ChromeVox.
-  cvox.ChromeVox.tts = this.tts;
-  cvox.ChromeVox.braille = this.backgroundBraille_;
-  cvox.ChromeVox.earcons = this.earcons;
-
-  if (cvox.ChromeVox.isChromeOS &&
-      chrome.accessibilityPrivate.onIntroduceChromeVox) {
-    chrome.accessibilityPrivate.onIntroduceChromeVox.addListener(
-        this.onIntroduceChromeVox);
-  }
-
-  // Set up a message passing system for goog.provide() calls from
-  // within the content scripts.
-  chrome.extension.onMessage.addListener(
-      function(request, sender, callback) {
-        if (request['srcFile']) {
-          var srcFile = request['srcFile'];
-          cvox.InjectedScriptLoader.fetchCode(
-              [srcFile],
-              function(code) {
-                callback({'code': code[srcFile]});
-              });
-        }
-        return true;
-      });
-
-  var self = this;
-
-  // Inject the content script into all running tabs.
-  chrome.windows.getAll({'populate': true}, function(windows) {
-    for (var i = 0; i < windows.length; i++) {
-      var tabs = windows[i].tabs;
-      self.injectChromeVoxIntoTabs(tabs);
-    }
-  });
-
-  if (localStorage['active'] == 'false') {
-    // Warn the user when the browser first starts if ChromeVox is inactive.
-    this.tts.speak(Msgs.getMsg('chromevox_inactive'),
-                   cvox.QueueMode.QUEUE);
-  } else if (cvox.PlatformUtil.matchesPlatform(cvox.PlatformFilter.WML)) {
-    // Introductory message.
-    this.tts.speak(Msgs.getMsg('chromevox_intro'),
-                   cvox.QueueMode.QUEUE);
-    cvox.ChromeVox.braille.write(cvox.NavBraille.fromText(
-        Msgs.getMsg('intro_brl')));
-  }
-};
-
-
-/**
- * Inject ChromeVox into a tab.
- * @param {Array<Tab>} tabs The tab where ChromeVox scripts should be injected.
- */
-cvox.ChromeVoxBackground.prototype.injectChromeVoxIntoTabs = function(tabs) {
-  var listOfFiles;
-
-  // These lists of files must match the content_scripts section in
-  // the manifest files.
-  if (COMPILED) {
-    listOfFiles = ['chromeVoxChromePageScript.js'];
-  } else {
-    listOfFiles = [
-        'closure/closure_preinit.js',
-        'closure/base.js',
-        'deps.js',
-        'chromevox/injected/loader.js'];
-  }
-
-  var stageTwo = function(code) {
-    for (var i = 0, tab; tab = tabs[i]; i++) {
-      window.console.log('Injecting into ' + tab.id, tab);
-      var sawError = false;
-
-      /**
-       * A helper function which executes code.
-       * @param {string} code The code to execute.
-       */
-      var executeScript = goog.bind(function(code) {
-        chrome.tabs.executeScript(
-            tab.id,
-            {'code': code,
-             'allFrames': true},
-            goog.bind(function() {
-              if (!chrome.extension.lastError) {
-                return;
-              }
-              if (sawError) {
-                return;
-              }
-              sawError = true;
-              console.error('Could not inject into tab', tab);
-              this.tts.speak('Error starting ChromeVox for ' +
-                  tab.title + ', ' + tab.url, cvox.QueueMode.QUEUE);
-            }, this));
-      }, this);
-
-      // There is a scenario where two copies of the content script can get
-      // loaded into the same tab on browser startup - one automatically and one
-      // because the background page injects the content script into every tab
-      // on startup. To work around potential bugs resulting from this,
-      // ChromeVox exports a global function called disableChromeVox() that can
-      // be used here to disable any existing running instance before we inject
-      // a new instance of the content script into this tab.
-      //
-      // It's harmless if there wasn't a copy of ChromeVox already running.
-      //
-      // Also, set some variables so that Closure deps work correctly and so
-      // that ChromeVox knows not to announce feedback as if a page just loaded.
-      executeScript('try { window.disableChromeVox(); } catch(e) { }\n' +
-          'window.INJECTED_AFTER_LOAD = true;\n' +
-          'window.CLOSURE_NO_DEPS = true\n');
-
-      // Now inject the ChromeVox content script code into the tab.
-      listOfFiles.forEach(function(file) { executeScript(code[file]); });
-    }
-  };
-
-  // We use fetchCode instead of chrome.extensions.executeFile because
-  // executeFile doesn't propagate the file name to the content script
-  // which means that script is not visible in Dev Tools.
-  cvox.InjectedScriptLoader.fetchCode(listOfFiles, stageTwo);
-};
-
-
-/**
- * Called when a TTS message is received from a page content script.
- * @param {Object} msg The TTS message.
- */
-cvox.ChromeVoxBackground.prototype.onTtsMessage = function(msg) {
-  if (msg['action'] == 'speak') {
-    this.tts.speak(msg['text'],
-                   /** cvox.QueueMode */msg['queueMode'],
-                   msg['properties']);
-  } else if (msg['action'] == 'stop') {
-    this.tts.stop();
-  } else if (msg['action'] == 'increaseOrDecrease') {
-    this.tts.increaseOrDecreaseProperty(msg['property'], msg['increase']);
-    var property = msg['property'];
-    var engine = this.backgroundTts_;
-    var valueAsPercent = Math.round(
-        this.backgroundTts_.propertyToPercentage(property) * 100);
-    var announcement;
-    switch (msg['property']) {
-    case cvox.AbstractTts.RATE:
-      announcement = Msgs.getMsg('announce_rate',
-                                                [valueAsPercent]);
-      break;
-    case cvox.AbstractTts.PITCH:
-      announcement = Msgs.getMsg('announce_pitch',
-                                                [valueAsPercent]);
-      break;
-    case cvox.AbstractTts.VOLUME:
-      announcement = Msgs.getMsg('announce_volume',
-                                                [valueAsPercent]);
-      break;
-    }
-    if (announcement) {
-      this.tts.speak(announcement,
-                     cvox.QueueMode.FLUSH,
-                     cvox.AbstractTts.PERSONALITY_ANNOTATION);
-    }
-  } else if (msg['action'] == 'cyclePunctuationEcho') {
-    this.tts.speak(Msgs.getMsg(
-            this.backgroundTts_.cyclePunctuationEcho()),
-                   cvox.QueueMode.FLUSH);
-  }
-};
-
-
-/**
- * Called when an earcon message is received from a page content script.
- * @param {Object} msg The earcon message.
- */
-cvox.ChromeVoxBackground.prototype.onEarconMessage = function(msg) {
-  if (msg.action == 'play') {
-    this.earcons.playEarcon(msg.earcon);
-  }
-};
-
-
-/**
- * Listen for connections from our content script bridges, and dispatch the
- * messages to the proper destination.
- */
-cvox.ChromeVoxBackground.prototype.addBridgeListener = function() {
-  cvox.ExtensionBridge.addMessageListener(goog.bind(function(msg, port) {
-    var target = msg['target'];
-    var action = msg['action'];
-
-    switch (target) {
-    case 'OpenTab':
-      var destination = {url: msg['url']};
-      chrome.tabs.create(destination);
-      break;
-    case 'KbExplorer':
-      var explorerPage = {url: 'chromevox/background/kbexplorer.html'};
-      chrome.tabs.create(explorerPage);
-      break;
-    case 'HelpDocs':
-      var helpPage = {url: 'http://chromevox.com/tutorial/index.html'};
-      chrome.tabs.create(helpPage);
-      break;
-    case 'Options':
-      if (action == 'open') {
-        var optionsPage = {url: 'chromevox/background/options.html'};
-        chrome.tabs.create(optionsPage);
-      }
-      break;
-    case 'Data':
-      if (action == 'getHistory') {
-        var results = {};
-        chrome.history.search({text: '', maxResults: 25}, function(items) {
-          items.forEach(function(item) {
-            if (item.url) {
-              results[item.url] = true;
-            }
-          });
-          port.postMessage({
-            'history': results
-          });
-        });
-      }
-      break;
-    case 'Prefs':
-      if (action == 'getPrefs') {
-        this.prefs.sendPrefsToPort(port);
-      } else if (action == 'setPref') {
-        if (msg['pref'] == 'active' &&
-            msg['value'] != cvox.ChromeVox.isActive) {
-          if (cvox.ChromeVox.isActive) {
-            this.tts.speak(Msgs.getMsg('chromevox_inactive'),
-                           cvox.QueueMode.FLUSH);
-            chrome.accessibilityPrivate.setNativeAccessibilityEnabled(
-                true);
-          } else {
-            chrome.accessibilityPrivate.setNativeAccessibilityEnabled(
-                false);
-          }
-        } else if (msg['pref'] == 'earcons') {
-          this.earcons.enabled = msg['value'];
-        } else if (msg['pref'] == 'sticky' && msg['announce']) {
-          if (msg['value']) {
-            this.tts.speak(Msgs.getMsg('sticky_mode_enabled'),
-                           cvox.QueueMode.QUEUE);
-          } else {
-            this.tts.speak(
-                Msgs.getMsg('sticky_mode_disabled'),
-                cvox.QueueMode.QUEUE);
-          }
-        } else if (msg['pref'] == 'typingEcho' && msg['announce']) {
-          var announce = '';
-          switch (msg['value']) {
-            case cvox.TypingEcho.CHARACTER:
-              announce = Msgs.getMsg('character_echo');
-              break;
-            case cvox.TypingEcho.WORD:
-              announce = Msgs.getMsg('word_echo');
-              break;
-            case cvox.TypingEcho.CHARACTER_AND_WORD:
-              announce = Msgs.getMsg('character_and_word_echo');
-              break;
-            case cvox.TypingEcho.NONE:
-              announce = Msgs.getMsg('none_echo');
-              break;
-            default:
-              break;
-          }
-          if (announce) {
-            this.tts.speak(announce, cvox.QueueMode.QUEUE);
-          }
-        } else if (msg['pref'] == 'brailleCaptions') {
-          cvox.BrailleCaptionsBackground.setActive(msg['value']);
-        }
-        this.prefs.setPref(msg['pref'], msg['value']);
-        this.readPrefs();
-      }
-      break;
-    case 'Math':
-      // TODO (sorge): Put the change of styles etc. here!
-      if (msg['action'] == 'getDomains') {
-        port.postMessage({'message': 'DOMAINS_STYLES',
-                          'domains': this.backgroundTts_.mathmap.allDomains,
-                          'styles': this.backgroundTts_.mathmap.allStyles});
-      }
-      break;
-    case 'TTS':
-      if (msg['startCallbackId'] != undefined) {
-        msg['properties']['startCallback'] = function(opt_cleanupOnly) {
-          port.postMessage({'message': 'TTS_CALLBACK',
-                            'cleanupOnly': opt_cleanupOnly,
-                            'id': msg['startCallbackId']});
-        };
-      }
-      if (msg['endCallbackId'] != undefined) {
-        msg['properties']['endCallback'] = function(opt_cleanupOnly) {
-          port.postMessage({'message': 'TTS_CALLBACK',
-                            'cleanupOnly': opt_cleanupOnly,
-                            'id': msg['endCallbackId']});
-        };
-      }
-      try {
-        this.onTtsMessage(msg);
-      } catch (err) {
-        console.log(err);
-      }
-      break;
-    case 'EARCON':
-      this.onEarconMessage(msg);
-      break;
-    case 'BRAILLE':
-      try {
-        this.backgroundBraille_.onBrailleMessage(msg);
-      } catch (err) {
-        console.log(err);
-      }
-      break;
-    }
-  }, this));
-};
-
-
-/**
- * Read and apply preferences that affect the background context.
- */
-cvox.ChromeVoxBackground.prototype.readPrefs = function() {
-  var prefs = this.prefs.getPrefs();
-  cvox.ChromeVoxEditableTextBase.useIBeamCursor =
-      (prefs['useIBeamCursor'] == 'true');
-  cvox.ChromeVox.isActive =
-      (prefs['active'] == 'true' || cvox.ChromeVox.isChromeOS);
-  cvox.ChromeVox.isStickyPrefOn = (prefs['sticky'] == 'true');
-};
-
-/**
- * Checks if we are currently in an incognito window.
- * @return {boolean} True if incognito or not within a tab context, false
- * otherwise.
- * @private
- */
-cvox.ChromeVoxBackground.prototype.isIncognito_ = function() {
-  var incognito = false;
-  chrome.tabs.getCurrent(function(tab) {
-    // Tab is null if not called from a tab context. In that case, also consider
-    // it incognito.
-    incognito = tab ? tab.incognito : true;
-  });
-  return incognito;
-};
-
-
-/**
- * Handles the onIntroduceChromeVox event.
- */
-cvox.ChromeVoxBackground.prototype.onIntroduceChromeVox = function() {
-  cvox.ChromeVox.tts.speak(Msgs.getMsg('chromevox_intro'),
-                           cvox.QueueMode.QUEUE,
-                           {doNotInterrupt: true});
-  cvox.ChromeVox.braille.write(cvox.NavBraille.fromText(
-      Msgs.getMsg('intro_brl')));
-};
-
-
-// Create the background page object and export a function window['speak']
-// so that other background pages can access it. Also export the prefs object
-// for access by the options page.
-(function() {
-  var background = new cvox.ChromeVoxBackground();
-  background.init();
-  window['speak'] = goog.bind(background.tts.speak, background.tts);
-
-  // Export the prefs object for access by the options page.
-  window['prefs'] = background.prefs;
-
-  // Export the braille translator manager for access by the options page.
-  window['braille_translator_manager'] =
-      background.backgroundBraille_.getTranslatorManager();
-
-  // Export injection for ChromeVox Next.
-  cvox.ChromeVox.injectChromeVoxIntoTabs =
-      background.injectChromeVoxIntoTabs.bind(background);
-})();