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$(function() {
var ui = {
bBeginning : $("##{rawJS butBeginning}"),
bBackward : $("##{rawJS butBackward}"),
bTogglePlay : $("##{rawJS butTogglePlay}"),
bForward : $("##{rawJS butForward}"),
prTape : $("##{rawJS prTape}"),
prTrans : $("##{rawJS prTrans}"),
eHello : $("##{rawJS eHello}"),
eSub : $("##{rawJS eSub}"),
};
var pollInterval = 10000;
var playing = false;
var timeout = 150;
var transBak = "";
function poll() {
sock.send("Poll");
setTimeout(poll, pollInterval);
};
function forwardWait() {
if (playing === true) {
sock.send("Forward");
setTimeout(forwardWait, timeout);
}
};
function enableButtons(buttons) {
for (var i = 0; i < buttons.length; i++) {
buttons[i].removeAttr("disabled");
};
};
function disableButtons(buttons) {
for (var i = 0; i < buttons.length; i++) {
buttons[i].attr("disabled", "disabled");
};
};
function togglePlay() {
var btns = [ui.bBeginning, ui.bBackward, ui.bForward];
ui.bTogglePlay.children().toggleClass("glyphicon-play glyphicon-stop");
playing = !playing;
if (playing === true) {
disableButtons(btns);
forwardWait();
} else {
enableButtons(btns);
};
};
ui.bBeginning.on("click", function () {
sock.send("Beginning");
});
ui.bBackward.on("click", function () {
sock.send("Backward");
});
ui.bTogglePlay.on("click", function () {
togglePlay();
});
ui.bForward.on("click", function () {
sock.send("Forward");
});
sock = new WebSocket("wss://" + window.location.host);
ui.eHello.on("click", function () {
sock.send("MHello");
});
ui.eSub.on("click", function () {
sock.send("MSub");
});
sock.onopen = function (e) {
enableButtons([ui.bBeginning, ui.bBackward,
ui.bTogglePlay, ui.bForward]);
poll();
};
sock.onclose = function (e) {
disableButtons([ui.bBeginning, ui.bBackward,
ui.bTogglePlay, ui.bForward]);
alert("WEBSOCKET CLOSED. At this point, reloading the page " +
"is probably the wise thing to do.");
};
sock.onmessage = function (e) {
var data = JSON.parse(e.data);
if (data["type"] === "tape") {
ui.prTape.html(data["value"]);
} else if (data["type"] === "trans") {
transBak = data["value"];
ui.prTrans.html(transBak);
} else if (data["type"] === "stop") {
togglePlay();
} else if (data["type"] === "bold") {
var idx = parseInt(data["value"]);
if (idx >= 0) {
var trans = transBak.split("\n");
idx = idx+3;
trans[idx] = "<div style=\"display: inline; color: #ffffff; " +
"background-color: #000000\">" + trans[idx] + "</div>";
trans[idx+1] = trans[idx+1]
ui.prTrans.html(trans.join("\n"));
} else {
ui.prTrans.html(transBak);
}
}
};
sock.onerror = function (e) {
console.debug("ERROR: " + e.data);
};
});
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