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background.js
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background.js
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// Called when the user clicks on the browser action.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.insertCSS(null, {file:"a11y.css", allFrames:true} );
if (tab)
chrome.tabs.sendMessage(tab.id, {msg:"alt"}, function(response) { } );
});
chrome.runtime.onInstalled.addListener(function() {
// When the app gets installed, set up the context menus
});
chrome.contextMenus.create({
"title": "Inspect DOM",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showDOM
});
chrome.contextMenus.create({
"title": "Show Heading Structure",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showHeadingStructure
});
chrome.contextMenus.create({
"title": "Show List of Links",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showListOfLinks
});
chrome.contextMenus.create({
"title": "Show ARIA markup",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showARIA
});
chrome.contextMenus.create({
"title": "Blackout aria-hidden",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : blackoutARIAHidden
});
chrome.contextMenus.create({
"title": "Remove styles",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : removeStyles
});
chrome.contextMenus.create({
"title": "Remove background images",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : removeBackgroundImages
});
chrome.contextMenus.create({
"title": "Grayscale",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : grayscale
});
chrome.contextMenus.create({
"title": "Linearize tables",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : linearizeTables
});
chrome.contextMenus.create({
"title": "Show headers for complex Tables",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : complexTables
});
chrome.contextMenus.create({
"title": "Show lang attributes",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showLang
});
chrome.contextMenus.create({
"title": "Show title attributes",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showTitles
});
chrome.contextMenus.create({
"title": "Show focus order",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showFocusOrder
});
chrome.contextMenus.create({
"title": "Show class sr-only",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showSROnly
});
chrome.contextMenus.create({
"title": "Enhanced Focus",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : enhancedFocus
});
chrome.contextMenus.create({
"title": "Text Spacing",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : textSpacing
});
/*
chrome.contextMenus.create({
"title": "Show width and scale",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : responsive
});
chrome.contextMenus.create({
"title": "Show iFrames",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showIFrames
});
chrome.contextMenus.create({
"title": "Make text darker",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : darken
});
*/
chrome.contextMenus.create({
"title": "Speak Selection",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : speakSelection
});
chrome.contextMenus.create({
"title": "Inspect DOM (alpha)",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showDOM
});
chrome.contextMenus.create({
"title": "Show iFrames",
"contexts": ["all", "page", "selection", "image", "link"],
"onclick" : showIFrames
});
function showARIA(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showARIA"}, function(response) { } );
}
function showHeadingStructure(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showHeadingStructure"}, function(response) { } );
}
function showListOfLinks(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showListOfLinks"}, function(response) { } );
}
function textSpacing(info, tab) {
chrome.tabs.insertCSS(null, {file:"text_spacing.css", allFrames:true} );
}
function darken(info, tab) {
// chrome.tabs.sendMessage(tab.id, {msg:"darken"}, function(response) { } );
chrome.tabs.insertCSS(null, {file:"darken.css", allFrames:true} );
}
function responsive(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showResponsive"}, function(response) { } );
}
function showDOM(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showDOM"}, function(response) { } );
}
function enhancedFocus(info, tab) {
//chrome.tabs.insertCSS(null, {file:"enhancedFocus.css"} );
chrome.tabs.sendMessage(tab.id, {msg:"enhanceFocus"}, function(response) { } );
}
// , function(response) { }
function removeStyles(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"removeStyles"});
}
function grayscale(info, tab) {
chrome.tabs.insertCSS(null, {file:"grayscale.css", allFrames:true} );
}
function linearizeTables(info, tab) {
chrome.tabs.insertCSS(null, {file:"linearizeTables.css", allFrames:true} );
}
function complexTables(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"complexTables"}, function(response) { } );
}
function showLang(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showLang"}, function(response) { } );
}
function showTitles(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showTitles"}, function(response) { } );
}
function showFocusOrder(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showFocusOrder"}, function(response) { } );
}
function removeBackgroundImages(info, tab) {
chrome.tabs.insertCSS(null, {file:"removeBackgroundImages.css", allFrames:true} );
}
function blackoutARIAHidden(info, tab) {
chrome.tabs.insertCSS(null, {file:"aria-hidden.css", allFrames:true} );
}
function showSROnly(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showSROnly"}, function(response) { } );
}
function showIFrames(info, tab) {
chrome.tabs.sendMessage(tab.id, {msg:"showIFrames"}, function(response) { } );
}
function speakSelection(info, tab) {
// console.log('jon');
/*
chrome.tts.getVoices(
function(voices) {
for (var i = 0; i < voices.length; i++) {
console.log('Voice ' + i + ':');
console.log(' name: ' + voices[i].voiceName);
console.log(' lang: ' + voices[i].lang);
console.log(' gender: ' + voices[i].gender);
console.log(' extension id: ' + voices[i].extensionId);
console.log(' event types: ' + voices[i].eventTypes);
}
});
*/
// console.log("yes");
chrome.tabs.query ( { active: true, currentWindow: true}, function(tabs) {
//chrome.tabs.sendMessage(tabs[0].id, {msg:"getSelection"}, speakSelectionHelper );
//chrome.tabs.sendMessage(tab.id, {msg:"getSelection"}, speakSelectionHelper );
speakSelectionHelper({resp: info.selectionText});
});
}
function speakSelectionHelper(response) {
// console.log("hello");
var utterance = "no selection";
try {
utterance = response.resp.toString();
}
catch (err) {
console.log(err.message);
}
console.log(utterance);
//var options = {"lang": "en-US", "rate": 2.2};
//chrome.tts.speak("jon", options);
chrome.tts.stop();
chrome.tts.speak(
utterance,
{'lang': 'en-US','rate': 5},
function() {
if (chrome.runtime.lastError) {
console.log('Error: ' + chrome.runtime.lastError.message);
}
} );
}
/*
javascript:'READ SELECTED';(function ()
{'use strict';
var voices = window.speechSynthesis.getVoices();
var sayit = function () {
var msg = new SpeechSynthesisUtterance();
msg.voice = voices[2];
msg.voiceURI = 'native';
msg.volume = 1;
msg.rate = 1.4;
msg.pitch = 0.7;
msg.lang = 'en-GB';
msg.onstart = function (event) {console.log('started');};
msg.onend = function (event) {console.log('Finished in ' + event.elapsedTime + ' seconds.');};
msg.onerror = function (event) {console.log('Errored ' + event);};msg.onpause = function (event) {
console.log('paused ' + event);};
msg.onboundary = function (event) {console.log('onboundary ' + event);};r
eturn msg;};
var speekResponse = function (sel)
{
var text = addPauses(sel).textContent;
window.speechSynthesis.cancel();
var sentences = text.split('.');
for (var i = 0; i < sentences.length; i++) {
var toSay = sayit();
toSay.text = sentences[i];
window.speechSynthesis.speak(toSay);
}
};
function addPauses(sel)
{
var el = document.createElement('div');
el.appendChild(sel.getRangeAt(0).cloneContents());
for (var i = 0; i < 10; i++) {
addMissingDots(el);
}
return el;
}
function addMissingDots(el) {
var els = el.querySelectorAll('p, li, ol, h1, h2, h3, h4, h5, h6, h7, div');
for (var i = 0; i < els.length; i++) {
var cont = els[i].textContent;
if (cont.length && cont.substr(cont.length - 1) !== '.') {
els[i].innerHTML += '.';
}
}
return el;
}
speekResponse(window.getSelection());
}
)();
*/
/*
/ Create the utterance object
var utterance = new SpeechSynthesisUtterance();
utterance.text = 'Hello, World!';
// optional parameters
utterance.lang = 'en-GB'; // language, default is 'en-US'
utterance.volume = 0.5; // volume, from 0 to 1, default is 1
utterance.rate = 0.8; // speaking rate, default is 1
// speak it!
*/
/*
var chunks = [];
for (var i = 0, charsLength = str.length; i < charsLength; i += 3) {
chunks.push(str.substring(i, i + 3));
}
*/