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Changed code from a self-contained function into an object with code

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that no longer runs when the file is included.  This is in preparation
for Qunit testing.
This commit is contained in:
Douglas Muth 2017-01-29 06:47:08 -05:00
parent d80c532d8f
commit 7598f49c4a
2 changed files with 192 additions and 178 deletions
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5
index.html
View file

@ -266,7 +266,10 @@ Feel free to reach out to me if you have any comments, suggestions, or bug repor
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<script src="./main.js"></script>
<script src="./main.js"></script>
<script>
Diceware.go();
</script>
</body>
</html>

365
main.js
View file

@ -1,14 +1,15 @@
/**
* Our main Javascript file.
*/
(function() {
var Diceware = {};
/**
* Return true if we have a function that returns cryptographically random
* values. False otherwise.
*/
function i_can_has_good_crypto() {
Diceware.i_can_has_good_crypto = function() {
if (window.crypto && window.crypto.getRandomValues) {
return(true);
@ -24,11 +25,11 @@ function i_can_has_good_crypto() {
*
* @return integer A random number between 1 and 6, inclusive.
*/
function die_roll() {
Diceware.die_roll = function() {
var retval;
if (i_can_has_good_crypto()) {
if (Diceware.i_can_has_good_crypto()) {
var a = new Uint32Array(1);
window.crypto.getRandomValues(a);
retval = (a[0] % 6) + 1;
@ -44,7 +45,7 @@ function die_roll() {
return(retval);
} // End of die_roll()
} // End of die_roll()
/**
@ -52,13 +53,13 @@ function die_roll() {
*
* @return array an Array of 5 dice rolls
*/
function roll_dice() {
Diceware.roll_dice = function() {
var retval = new Array();
retval.push(die_roll());
retval.push(die_roll());
retval.push(die_roll());
retval.push(die_roll());
retval.push(die_roll());
retval.push(Diceware.die_roll());
retval.push(Diceware.die_roll());
retval.push(Diceware.die_roll());
retval.push(Diceware.die_roll());
retval.push(Diceware.die_roll());
return(retval);
}
@ -71,7 +72,7 @@ function roll_dice() {
*
* @return string The word from the dicelist
*/
function get_word(wordlist, index) {
Diceware.get_word = function(wordlist, index) {
var retval = wordlist[index];
if (retval) {
@ -83,19 +84,10 @@ function get_word(wordlist, index) {
}
return(retval);
}
//
// Handler to mark the clicked number of dice button as active.
//
jQuery(".dice_button").on("click", function(e) {
jQuery(".dice_button").removeClass("active");
jQuery(e.target).addClass("active");
});
/**
* This function displays each dice roll.
*
@ -105,7 +97,7 @@ jQuery(".dice_button").on("click", function(e) {
* @param integer in_fadeout_delay How long before fading out the diceroll
*
*/
function display_row(rows, cb, in_fadein_duration, in_fadeout_delay) {
Diceware.display_row = function(rows, cb, in_fadein_duration, in_fadeout_delay) {
var fadein_duration = in_fadein_duration || 250;
var fadeout_delay = in_fadeout_delay || 750;
@ -148,7 +140,7 @@ function display_row(rows, cb, in_fadein_duration, in_fadeout_delay) {
//
jQuery(this).delay(fadeout_delay)
.fadeOut(fadeout_delay, function() {
display_row(rows, cb, fadein_duration, fadeout_delay);
Diceware.display_row(rows, cb, fadein_duration, fadeout_delay);
});
});
@ -169,7 +161,7 @@ function display_row(rows, cb, in_fadein_duration, in_fadeout_delay) {
*
* @param cb object Optional callback to fire when done
*/
function display_results(cb) {
Diceware.display_results = function(cb) {
jQuery(".results_words_key").hide().clone().appendTo(".results");
jQuery(".results_words_value").hide().clone().appendTo(".results");
@ -204,7 +196,7 @@ function display_results(cb) {
/**
* Return the width of the browser window.
*/
function get_width() {
Diceware.get_width = function() {
return(jQuery(window).width());
}
@ -212,9 +204,9 @@ function get_width() {
/**
* Return true if we are running on a mobile screen.
*/
function is_mobile() {
Diceware.is_mobile = function() {
if (get_width() <= 480) {
if (Diceware.get_width() <= 480) {
return(true);
}
@ -223,159 +215,178 @@ function is_mobile() {
} // End of is_mobile()
//
// Handler when the "Roll Dice" button is clicked. It gets the
// passphrase and updates the HTML with it.
//
jQuery("#roll_dice").on("click", function(e) {
/**
* Our main function when being used via the UI. We call this to set up our jQuery hooks.
*
* I should probably refactor this more in the future--this function came about
* when I changed the code from self-contained to contained in an external object
* in preparation fro Qunit testing...
*
*/
Diceware.go = function() {
//
// Clear out more space when mobile
// Handler to mark the clicked number of dice button as active.
//
// In the future, I should just use a media query in CSS
//
var target_height = 300;
if (is_mobile()) {
target_height = 400;
}
jQuery(".results").animate({height: target_height}, 400);
//
// If we're running on an iPhone or similar, scroll down so that we can
// see the dice rolls and passphrase.
//
if (is_mobile()) {
var aTag = $("a[name='roll_dice_button']");
$("html,body").animate({scrollTop: aTag.offset().top}, "slow");
}
//
// Remove any old results
//
jQuery(".results").empty();
//
// Make our dice rolls
//
var num_dice = jQuery(".dice_button.active").html();
var num_passwords = Number(Math.pow(6, (5 * num_dice)));
var passphrase = new Array();
var rolls = new Array();
for (var i=0; i<num_dice; i++) {
var roll = {};
roll.dice = roll_dice();
roll.word = get_word(wordlist, roll.dice.join(""));
rolls.push(roll);
passphrase.push(roll.word);
}
//
// Populate our results by cloning the hidden base rows which
// represent each die.
//
jQuery(".results_words_value").html(passphrase.join(" "));
jQuery(".results_phrase_value").html(passphrase.join(""));
jQuery(".results_num_possible_value").html(num_passwords.toLocaleString("en"));
var rows = new Array();
for (key in rolls) {
var roll = rolls[key];
var row = jQuery("<div></div>");
//
// Clone and append specific dice to this row.
//
for (key2 in roll.dice) {
var die = roll.dice[key2];
var classname = ".source .dice" + die;
var tmp = jQuery(classname).clone().appendTo(row);
}
//
// Now append the word
//
var dice_word = jQuery(".dice_word").clone();
dice_word.html("\"" + roll.word + "\"");
row.append(dice_word);
//
// And clear to the next line
//
row.append("<br clear=\"all\" />");
rows.push(row);
}
//
// Now display those rows.
//
display_row(rows, function() {
//
// And then display the results
//
display_results(function() {
//
// Set the height of this back to auto so we don't have unused space.
// I'm amazed that we don't see a "flash" of the results div
// temporarily shrinking, but this seems to work as per what I saw
// at http://stackoverflow.com/questions/5003220/javascript-jquery-animate-to-auto-height
//
// Well then.
//
var height = jQuery(".results").height();
jQuery(".results").css("height", "auto");
var new_height = jQuery(".results").height();
jQuery(".results").height(height);
jQuery(".results").animate({height: new_height}, 400);
});
});
});
//
// If we're not on a mobile, bring in the GitHub ribbon.
//
if (!is_mobile()) {
jQuery("#github_ribbon").fadeIn(1000);
}
if (!i_can_has_good_crypto()) {
jQuery(".source .bad_crypto").clone().hide().fadeIn(800).appendTo(".message");
}
//
// Load our wordlist.
//
//jQuery.getScript("./wordlist.js").done(
jQuery.getScript("./wordlist/wordlist.js").done(
function(data) {
//
// If "debug" is set in the GET data, roll the dice on page load.
// Speed up my development a bit. :-)
//
if (location.search.indexOf("debug") != -1) {
jQuery("#roll_dice").click(); // Debugging
}
}).fail(
function(jqxhr, settings, exception) {
console.log("Error loading Javascript:", jqxhr.status, settings, exception);
jQuery(".dice_button").on("click", function(e) {
jQuery(".dice_button").removeClass("active");
jQuery(e.target).addClass("active");
});
})();
//
// Handler when the "Roll Dice" button is clicked. It gets the
// passphrase and updates the HTML with it.
//
jQuery("#roll_dice").on("click", function(e) {
//
// Clear out more space when mobile
//
// In the future, I should just use a media query in CSS
//
var target_height = 300;
if (Diceware.is_mobile()) {
target_height = 400;
}
jQuery(".results").animate({height: target_height}, 400);
//
// If we're running on an iPhone or similar, scroll down so that we can
// see the dice rolls and passphrase.
//
if (Diceware.is_mobile()) {
var aTag = $("a[name='roll_dice_button']");
$("html,body").animate({scrollTop: aTag.offset().top}, "slow");
}
//
// Remove any old results
//
jQuery(".results").empty();
//
// Make our dice rolls
//
var num_dice = jQuery(".dice_button.active").html();
var num_passwords = Number(Math.pow(6, (5 * num_dice)));
var passphrase = new Array();
var rolls = new Array();
for (var i=0; i<num_dice; i++) {
var roll = {};
roll.dice = Diceware.roll_dice();
roll.word = Diceware.get_word(wordlist, roll.dice.join(""));
rolls.push(roll);
passphrase.push(roll.word);
}
//
// Populate our results by cloning the hidden base rows which
// represent each die.
//
jQuery(".results_words_value").html(passphrase.join(" "));
jQuery(".results_phrase_value").html(passphrase.join(""));
jQuery(".results_num_possible_value").html(num_passwords.toLocaleString("en"));
var rows = new Array();
for (key in rolls) {
var roll = rolls[key];
var row = jQuery("<div></div>");
//
// Clone and append specific dice to this row.
//
for (key2 in roll.dice) {
var die = roll.dice[key2];
var classname = ".source .dice" + die;
var tmp = jQuery(classname).clone().appendTo(row);
}
//
// Now append the word
//
var dice_word = jQuery(".dice_word").clone();
dice_word.html("\"" + roll.word + "\"");
row.append(dice_word);
//
// And clear to the next line
//
row.append("<br clear=\"all\" />");
rows.push(row);
}
//
// Now display those rows.
//
Diceware.display_row(rows, function() {
//
// And then display the results
//
Diceware.display_results(function() {
//
// Set the height of this back to auto so we don't have unused space.
// I'm amazed that we don't see a "flash" of the results div
// temporarily shrinking, but this seems to work as per what I saw
// at http://stackoverflow.com/questions/5003220/javascript-jquery-animate-to-auto-height
//
// Well then.
//
var height = jQuery(".results").height();
jQuery(".results").css("height", "auto");
var new_height = jQuery(".results").height();
jQuery(".results").height(height);
jQuery(".results").animate({height: new_height}, 400);
});
});
});
//
// If we're not on a mobile, bring in the GitHub ribbon.
//
if (!Diceware.is_mobile()) {
jQuery("#github_ribbon").fadeIn(1000);
}
if (!Diceware.i_can_has_good_crypto()) {
jQuery(".source .bad_crypto").clone().hide().fadeIn(800).appendTo(".message");
}
//
// Load our wordlist.
//
//jQuery.getScript("./wordlist.js").done(
jQuery.getScript("./wordlist/wordlist.js").done(
function(data) {
//
// If "debug" is set in the GET data, roll the dice on page load.
// Speed up my development a bit. :-)
//
if (location.search.indexOf("debug") != -1) {
jQuery("#roll_dice").click(); // Debugging
}
}).fail(
function(jqxhr, settings, exception) {
console.log("Error loading Javascript:", jqxhr.status, settings, exception);
});
} // End of go()