Code cosmetics

This commit is contained in:
OzzieIsaacs 2017-09-17 19:16:29 +02:00
parent 34e9ef35f5
commit 2a78a02e0b
4 changed files with 169 additions and 173 deletions

View File

@ -15,7 +15,7 @@ bitjs.archive = bitjs.archive || {};
// ===========================================================================
// Stolen from Closure because it's the best way to do Java-like inheritance.
bitjs.base = function(me, opt_methodName, var_args) {
bitjs.base = function(me, optMethodName, var_args) {
var caller = arguments.callee.caller;
if (caller.superClass_) {
// This is a constructor. Call the superclass constructor.
@ -27,10 +27,10 @@ bitjs.archive = bitjs.archive || {};
var foundCaller = false;
for (var ctor = me.constructor;
ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) {
if (ctor.prototype[opt_methodName] === caller) {
if (ctor.prototype[optMethodName] === caller) {
foundCaller = true;
} else if (foundCaller) {
return ctor.prototype[opt_methodName].apply(me, args);
return ctor.prototype[optMethodName].apply(me, args);
}
}
@ -38,12 +38,12 @@ bitjs.archive = bitjs.archive || {};
// then one of two things happened:
// 1) The caller is an instance method.
// 2) This method was not called by the right caller.
if (me[opt_methodName] === caller) {
return me.constructor.prototype[opt_methodName].apply(me, args);
if (me[optMethodName] === caller) {
return me.constructor.prototype[optMethodName].apply(me, args);
} else {
throw Error(
'goog.base called from a method of one name ' +
'to a method of a different name');
"goog.base called from a method of one name " +
"to a method of a different name");
}
};
bitjs.inherits = function(childCtor, parentCtor) {
@ -75,12 +75,12 @@ bitjs.archive = bitjs.archive || {};
* The UnarchiveEvent types.
*/
bitjs.archive.UnarchiveEvent.Type = {
START: 'start',
PROGRESS: 'progress',
EXTRACT: 'extract',
FINISH: 'finish',
INFO: 'info',
ERROR: 'error'
START: "start",
PROGRESS: "progress",
EXTRACT: "extract",
FINISH: "finish",
INFO: "info",
ERROR: "error"
};
/**
@ -141,12 +141,12 @@ bitjs.archive = bitjs.archive || {};
* Progress event.
*/
bitjs.archive.UnarchiveProgressEvent = function(
currentFilename,
currentFileNumber,
currentBytesUnarchivedInFile,
currentBytesUnarchived,
totalUncompressedBytesInArchive,
totalFilesInArchive)
currentFilename,
currentFileNumber,
currentBytesUnarchivedInFile,
currentBytesUnarchived,
totalUncompressedBytesInArchive,
totalFilesInArchive)
{
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.PROGRESS);
@ -188,10 +188,10 @@ bitjs.archive = bitjs.archive || {};
* Base class for all Unarchivers.
*
* @param {ArrayBuffer} arrayBuffer The Array Buffer.
* @param {string} opt_pathToBitJS Optional string for where the BitJS files are located.
* @param {string} optPathToBitJS Optional string for where the BitJS files are located.
* @constructor
*/
bitjs.archive.Unarchiver = function(arrayBuffer, opt_pathToBitJS) {
bitjs.archive.Unarchiver = function(arrayBuffer, optPathToBitJS) {
/**
* The ArrayBuffer object.
* @type {ArrayBuffer}
@ -204,7 +204,7 @@ bitjs.archive = bitjs.archive || {};
* @type {string}
* @private
*/
this.pathToBitJS_ = opt_pathToBitJS || '';
this.pathToBitJS_ = optPathToBitJS || "";
/**
* A map from event type to an array of listeners.
@ -229,7 +229,7 @@ bitjs.archive = bitjs.archive || {};
* @protected.
*/
bitjs.archive.Unarchiver.prototype.getScriptFileName = function() {
throw 'Subclasses of AbstractUnarchiver must overload getScriptFileName()';
throw "Subclasses of AbstractUnarchiver must overload getScriptFileName()";
};
/**
@ -240,7 +240,7 @@ bitjs.archive = bitjs.archive || {};
*/
bitjs.archive.Unarchiver.prototype.addEventListener = function(type, listener) {
if (type in this.listeners_) {
if (this.listeners_[type].indexOf(listener) == -1) {
if (this.listeners_[type].indexOf(listener) === -1) {
this.listeners_[type].push(listener);
}
}
@ -255,7 +255,7 @@ bitjs.archive = bitjs.archive || {};
bitjs.archive.Unarchiver.prototype.removeEventListener = function(type, listener) {
if (type in this.listeners_) {
var index = this.listeners_[type].indexOf(listener);
if (index != -1) {
if (index !== -1) {
this.listeners_[type].splice(index, 1);
}
}
@ -270,8 +270,10 @@ bitjs.archive = bitjs.archive || {};
bitjs.archive.Unarchiver.prototype.handleWorkerEvent_ = function(e) {
if ((e instanceof bitjs.archive.UnarchiveEvent || e.type) &&
this.listeners_[e.type] instanceof Array) {
this.listeners_[e.type].forEach(function (listener) { listener(e) });
if (e.type == bitjs.archive.UnarchiveEvent.Type.FINISH) {
this.listeners_[e.type].forEach(function (listener) {
listener(e);
});
if (e.type === bitjs.archive.UnarchiveEvent.Type.FINISH) {
this.worker_.terminate();
}
} else {
@ -281,20 +283,20 @@ bitjs.archive = bitjs.archive || {};
/**
* Starts the unarchive in a separate Web Worker thread and returns immediately.
*/
bitjs.archive.Unarchiver.prototype.start = function() {
*/
bitjs.archive.Unarchiver.prototype.start = function() {
var me = this;
var scriptFileName = this.pathToBitJS_ + this.getScriptFileName();
if (scriptFileName) {
this.worker_ = new Worker(scriptFileName);
this.worker_.onerror = function(e) {
console.log('Worker error: message = ' + e.message);
console.log("Worker error: message = " + e.message);
throw e;
};
this.worker_.onmessage = function(e) {
if (typeof e.data == 'string') {
if (typeof e.data == "string") {
// Just log any strings the workers pump our way.
console.log(e.data);
} else {
@ -323,32 +325,38 @@ bitjs.archive = bitjs.archive || {};
* @extends {bitjs.archive.Unarchiver}
* @constructor
*/
bitjs.archive.Unzipper = function(arrayBuffer, opt_pathToBitJS) {
bitjs.base(this, arrayBuffer, opt_pathToBitJS);
bitjs.archive.Unzipper = function(arrayBuffer, optPathToBitJS) {
bitjs.base(this, arrayBuffer, optPathToBitJS);
};
bitjs.inherits(bitjs.archive.Unzipper, bitjs.archive.Unarchiver);
bitjs.archive.Unzipper.prototype.getScriptFileName = function() { return 'unzip.js' };
bitjs.archive.Unzipper.prototype.getScriptFileName = function() {
return "unzip.js";
};
/**
* Unrarrer
* @extends {bitjs.archive.Unarchiver}
* @constructor
*/
bitjs.archive.Unrarrer = function(arrayBuffer, opt_pathToBitJS) {
bitjs.base(this, arrayBuffer, opt_pathToBitJS);
bitjs.archive.Unrarrer = function(arrayBuffer, optPathToBitJS) {
bitjs.base(this, arrayBuffer, optPathToBitJS);
};
bitjs.inherits(bitjs.archive.Unrarrer, bitjs.archive.Unarchiver);
bitjs.archive.Unrarrer.prototype.getScriptFileName = function() { return 'unrar.js' };
bitjs.archive.Unrarrer.prototype.getScriptFileName = function() {
return "unrar.js";
};
/**
* Untarrer
* @extends {bitjs.archive.Unarchiver}
* @constructor
*/
bitjs.archive.Untarrer = function(arrayBuffer, opt_pathToBitJS) {
bitjs.base(this, arrayBuffer, opt_pathToBitJS);
bitjs.archive.Untarrer = function(arrayBuffer, optPathToBitJS) {
bitjs.base(this, arrayBuffer, optPathToBitJS);
};
bitjs.inherits(bitjs.archive.Untarrer, bitjs.archive.Unarchiver);
bitjs.archive.Untarrer.prototype.getScriptFileName = function() { return 'untar.js' };
bitjs.archive.Untarrer.prototype.getScriptFileName = function() {
return "untar.js";
};
})();

View File

@ -417,14 +417,14 @@ bitjs.io = bitjs.io || {};
*/
bitjs.io.ByteBuffer.prototype.writeNumber = function(num, numBytes) {
if (numBytes < 1) {
throw 'Trying to write into too few bytes: ' + numBytes;
throw "Trying to write into too few bytes: " + numBytes;
}
if (num < 0) {
throw 'Trying to write a negative number (' + num +
') as an unsigned number to an ArrayBuffer';
throw "Trying to write a negative number (" + num +
") as an unsigned number to an ArrayBuffer";
}
if (num > (Math.pow(2, numBytes * 8) - 1)) {
throw 'Trying to write ' + num + ' into only ' + numBytes + ' bytes';
throw "Trying to write " + num + " into only " + numBytes + " bytes";
}
// Roll 8-bits at a time into an array of bytes.

View File

@ -17,9 +17,13 @@
*/
if (window.opera) {
window.console.log = function(str) {opera.postError(str);};
window.console.log = function(str) {
opera.postError(str);
};
}
var kthoom;
// gets the element with the given id
function getElem(id) {
if (document.documentElement.querySelector) {
@ -31,7 +35,7 @@ function getElem(id) {
}
if (window.kthoom === undefined) {
var kthoom = {};
kthoom = {};
}
// key codes
@ -58,27 +62,23 @@ var imageFiles = [];
var imageFilenames = [];
var totalImages = 0;
var lastCompletion = 0;
var library = {
allBooks: [],
currentBookNum: 0,
};
var hflip = false, vflip = false, fitMode = kthoom.Key.B;
var canKeyNext = true, canKeyPrev = true;
kthoom.saveSettings = function() {
localStorage.kthoom_settings = JSON.stringify({
localStorage.kthoomSettings = JSON.stringify({
rotateTimes: kthoom.rotateTimes,
hflip: hflip,
vflip: vflip,
fitMode: fitMode
});
}
};
kthoom.loadSettings = function() {
try {
if (localStorage.kthoom_settings.length < 10) return;
var s = JSON.parse(localStorage.kthoom_settings);
if (localStorage.kthoomSettings.length < 10) return;
var s = JSON.parse(localStorage.kthoomSettings);
kthoom.rotateTimes = s.rotateTimes;
hflip = s.hflip;
vflip = s.vflip;
@ -88,6 +88,36 @@ kthoom.loadSettings = function() {
}
}
var createURLFromArray = function(array, mimeType) {
var offset = array.byteOffset, len = array.byteLength;
var bb, url;
var blob;
// TODO: Move all this browser support testing to a common place
// and do it just once.
// Blob constructor, see http://dev.w3.org/2006/webapi/FileAPI/#dfn-Blob.
if (typeof Blob == "function") {
blob = new Blob([array], {type: mimeType});
} else {
throw "Browser support for Blobs is missing."
}
if (blob.slice) {
blob = blob.slice(offset, offset + len, mimeType);
} else {
throw "Browser support for Blobs is missing."
}
if ((typeof URL != "function" && typeof URL != "object") ||
typeof URL.createObjectURL != "function") {
throw "Browser support for Object URLs is missing";
}
return URL.createObjectURL(blob);
}
// Stores an image filename and its data: URI.
// TODO: investigate if we really need to store as base64 (leave off ;base64 and just
// non-safe URL characters are encoded as %xx ?)
@ -95,9 +125,9 @@ kthoom.loadSettings = function() {
kthoom.ImageFile = function(file) {
this.filename = file.filename;
var fileExtension = file.filename.split(".").pop().toLowerCase();
var mimeType = fileExtension =="png" ? "image/png" :
var mimeType = fileExtension === "png" ? "image/png" :
(fileExtension === "jpg" || fileExtension === "jpeg") ? "image/jpeg" :
fileExtension === "gif" ? "image/gif" : undefined;
fileExtension === "gif" ? "image/gif" : null;
this.dataURI = createURLFromArray(file.fileData, mimeType);
this.data = file;
};
@ -189,52 +219,51 @@ kthoom.initProgressMeter = function() {
pdiv.appendChild(svg);
svg.onclick = function(e) {
for (var x = pdiv, l = 0; x != document.documentElement; x = x.parentNode) l += x.offsetLeft;
var page = Math.max(1, Math.ceil(((e.clientX - l)/pdiv.offsetWidth) * totalImages)) - 1;
for (var x = pdiv, l = 0; x !== document.documentElement; x = x.parentNode) l += x.offsetLeft;
var page = Math.max(1, Math.ceil(((e.clientX - l) / pdiv.offsetWidth) * totalImages)) - 1;
currentImage = page;
updatePage();
};
}
kthoom.setProgressMeter = function(pct, opt_label) {
var pct = (pct*100);
var part = 1/totalImages;
var remain = ((pct - lastCompletion)/100)/part;
kthoom.setProgressMeter = function(pct, optLabel) {
pct = (pct * 100);
var part = 1 / totalImages;
var remain = ((pct - lastCompletion) / 100) / part;
var fract = Math.min(1, remain);
var smartpct = ((imageFiles.length/totalImages) + fract * part )* 100;
if (totalImages == 0) smartpct = pct;
var smartpct = ((imageFiles.length / totalImages) + (fract * part))* 100;
if (totalImages === 0) smartpct = pct;
// + Math.min((pct - lastCompletion), 100/totalImages * 0.9 + (pct - lastCompletion - 100/totalImages)/2, 100/totalImages);
var oldval = parseFloat(getElem("meter").getAttribute("width"));
if (isNaN(oldval)) oldval = 0;
var weight = 0.5;
smartpct = (weight * smartpct + (1-weight) * oldval);
if (pct == 100) smartpct = 100;
if (!isNaN(smartpct)) {
// + Math.min((pct - lastCompletion), 100/totalImages * 0.9 + (pct - lastCompletion - 100/totalImages)/2, 100/totalImages);
var oldval = parseFloat(getElem("meter").getAttribute("width"));
if (isNaN(oldval)) oldval = 0;
var weight = 0.5;
smartpct = ((weight * smartpct) + ((1 - weight) * oldval));
if (pct == 100) smartpct = 100;
if (!isNaN(smartpct)) {
getElem("meter").setAttribute("width", smartpct + "%");
}
var title = getElem("progress_title");
while (title.firstChild) title.removeChild(title.firstChild);
}
var title = getElem("progress_title");
while (title.firstChild) title.removeChild(title.firstChild);
var labelText = pct.toFixed(2) + "% " + imageFiles.length + "/" + totalImages + "";
if (opt_label) {
labelText = opt_label + " " + labelText;
}
title.appendChild(document.createTextNode(labelText));
var labelText = pct.toFixed(2) + "% " + imageFiles.length + "/" + totalImages + "";
if (optLabel) {
labelText = optLabel + " " + labelText;
}
title.appendChild(document.createTextNode(labelText));
getElem("meter2").setAttribute("width",
100 * (totalImages == 0 ? 0 : ((currentImage+1)/totalImages)) + "%");
var title = getElem("page");
while (title.firstChild) title.removeChild(title.firstChild);
title.appendChild(document.createTextNode( (currentImage+1) + '/' + totalImages ));
if (pct > 0) {
getElem("meter2").setAttribute("width",
100 * (totalImages == 0 ? 0 : ((currentImage+1) / totalImages)) + "%");
var title = getElem("page");
while (title.firstChild) title.removeChild(title.firstChild);
title.appendChild(document.createTextNode( (currentImage+1) + '/' + totalImages ));
if (pct > 0) {
//getElem('nav').className = '';
getElem("progress").className = '';
}
}
}
function loadFromArrayBuffer(ab) {
@ -275,43 +304,15 @@ function loadFromArrayBuffer(ab) {
}
});
unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.FINISH,
function(e) {
var diff = ((new Date).getTime() - start)/1000;
console.log("Unarchiving done in " + diff + "s");
});
function(e) {
var diff = ((new Date).getTime() - start)/1000;
console.log("Unarchiving done in " + diff + "s");
});
unarchiver.start();
} else {
alert("Some error");
}
}
var createURLFromArray = function(array, mimeType) {
var offset = array.byteOffset, len = array.byteLength;
var bb, url;
var blob;
// TODO: Move all this browser support testing to a common place
// and do it just once.
// Blob constructor, see http://dev.w3.org/2006/webapi/FileAPI/#dfn-Blob.
if (typeof Blob == "function") {
blob = new Blob([array], {type: mimeType});
} else {
throw "Browser support for Blobs is missing."
}
if (blob.slice) {
blob = blob.slice(offset, offset + len, mimeType);
} else {
throw "Browser support for Blobs is missing."
}
if ((typeof URL != "function" && typeof URL != "object") ||
typeof URL.createObjectURL != "function") {
throw "Browser support for Object URLs is missing";
}
return URL.createObjectURL(blob);
}
function updatePage() {
@ -319,8 +320,8 @@ function updatePage() {
while (title.firstChild) title.removeChild(title.firstChild);
title.appendChild(document.createTextNode( (currentImage+1) + "/" + totalImages ));
getElem("meter2").setAttribute("width",
100 * (totalImages == 0 ? 0 : ((currentImage+1)/totalImages)) + "%");
getElem('meter2').setAttribute('width',
100 * (totalImages == 0 ? 0 : ((currentImage+1)/totalImages)) + "%");
if (imageFiles[currentImage]) {
setImage(imageFiles[currentImage].dataURI);
} else {
@ -414,56 +415,42 @@ function setImage(url) {
function showPrevPage() {
currentImage--;
if (currentImage < 0) {
if (library.allBooks.length == 1) {
currentImage = imageFiles.length - 1;
} else if (library.currentBookNum > 0) {
loadPrevBook();
} else {
// Freeze on the current page.
currentImage++;
return;
}
// Freeze on the current page.
currentImage++;
} else {
updatePage();
}
updatePage();
}
function showNextPage() {
currentImage++;
if (currentImage >= Math.max(totalImages, imageFiles.length)) {
if (library.allBooks.length == 1) {
currentImage = 0;
} else if (library.currentBookNum < library.allBooks.length - 1) {
loadNextBook();
} else {
// Freeze on the current page.
currentImage--;
return;
}
// Freeze on the current page.
currentImage--;
} else {
updatePage();
}
updatePage();
}
function updateScale(clear) {
var mainImageStyle = getElem("mainImage").style;
mainImageStyle.width = "";
mainImageStyle.height = "";
mainImageStyle.maxWidth = "";
mainImageStyle.maxHeight = "";
var mainImageStyle = getElem('mainImage').style;
mainImageStyle.width = '';
mainImageStyle.height = '';
mainImageStyle.maxWidth = '';
mainImageStyle.maxHeight = '';
var maxheight = innerHeight - 15;
if (!/main/.test(getElem("titlebar").className)) {
if (!/main/.test(getElem('titlebar').className)) {
maxheight -= 25;
}
if (clear || fitMode == kthoom.Key.N) {
} else if (fitMode == kthoom.Key.B) {
mainImageStyle.maxWidth = "100%";
mainImageStyle.maxHeight = maxheight + "px";
mainImageStyle.maxWidth = '100%';
mainImageStyle.maxHeight = maxheight + 'px';
} else if (fitMode == kthoom.Key.H) {
mainImageStyle.height = maxheight + "px";
mainImageStyle.height = maxheight + 'px';
} else if (fitMode == kthoom.Key.W) {
mainImageStyle.width = "100%";
mainImageStyle.width = '100%';
}
kthoom.saveSettings();
}
@ -471,8 +458,9 @@ function updateScale(clear) {
function keyHandler(evt) {
var code = evt.keyCode;
if (getComputedStyle(getElem("progress")).display == "none") return;
canKeyNext = ((document.body.offsetWidth+document.body.scrollLeft)/ document.body.scrollWidth) >= 1;
if ($("#progress").css('display') == "none")
return;
canKeyNext = (($("body").css("offsetWidth")+$("body").css("scrollLeft"))/ $("body").css("scrollWidth")) >= 1;
canKeyPrev = (scrollX <= 0);
if (evt.ctrlKey || evt.shiftKey || evt.metaKey) return;
@ -561,8 +549,8 @@ function init(filename) {
$("#mainImage").click(function(evt) {
// Firefox does not support offsetX/Y so we have to manually calculate
// where the user clicked in the image.
var mainContentWidth = getElem("mainContent").clientWidth;
var mainContentHeight = getElem("mainContent").clientHeight;
var mainContentWidth = $("#mainContent").width();
var mainContentHeight = $("#mainContent").height();
var comicWidth = evt.target.clientWidth;
var comicHeight = evt.target.clientHeight;
var offsetX = (mainContentWidth - comicWidth) / 2;
@ -588,9 +576,9 @@ function init(filename) {
break;
}
if (clickedPrev) {
showPrevPage();
showPrevPage();
} else {
showNextPage();
showNextPage();
}
});
}

View File

@ -42,7 +42,7 @@ var postProgress = function() {
var readCleanString = function(bstr, numBytes) {
var str = bstr.readString(numBytes);
var zIndex = str.indexOf(String.fromCharCode(0));
return zIndex != -1 ? str.substr(0, zIndex) : str;
return zIndex !== -1 ? str.substr(0, zIndex) : str;
};
// takes a ByteStream and parses out the local file information
@ -61,7 +61,7 @@ var TarLocalFile = function(bstream) {
this.linkname = readCleanString(bstream, 100);
this.maybeMagic = readCleanString(bstream, 6);
if (this.maybeMagic == "ustar") {
if (this.maybeMagic === "ustar") {
this.version = readCleanString(bstream, 2);
this.uname = readCleanString(bstream, 32);
this.gname = readCleanString(bstream, 32);
@ -71,10 +71,10 @@ var TarLocalFile = function(bstream) {
if (this.prefix.length) {
this.name = this.prefix + this.name;
}
bstream.readBytes(12); // 512 - 500
}
bstream.readBytes(12); // 512 - 500
} else {
bstream.readBytes(255); // 512 - 257
bstream.readBytes(255); // 512 - 257
}
// Done header, now rest of blocks are the file contents.
@ -86,7 +86,7 @@ var TarLocalFile = function(bstream) {
info(" typeflag = " + this.typeflag);
// A regular file.
if (this.typeflag == 0) {
if (this.typeflag === 0) {
info(" This is a regular file.");
var sizeInBytes = parseInt(this.size);
this.fileData = new Uint8Array(bstream.bytes.buffer, bstream.ptr, this.size);
@ -101,8 +101,8 @@ var TarLocalFile = function(bstream) {
if (remaining > 0 && remaining < 512) {
bstream.readBytes(remaining);
}
} else if (this.typeflag == 5) {
info(" This is a directory.")
} else if (this.typeflag === 5) {
info(" This is a directory.");
}
};
@ -122,7 +122,7 @@ var untar = function(arrayBuffer) {
var localFiles = [];
// While we don't encounter an empty block, keep making TarLocalFiles.
while (bstream.peekNumber(4) != 0) {
while (bstream.peekNumber(4) !== 0) {
var oneLocalFile = new TarLocalFile(bstream);
if (oneLocalFile && oneLocalFile.isValid) {
localFiles.push(oneLocalFile);
@ -132,7 +132,7 @@ var untar = function(arrayBuffer) {
totalFilesInArchive = localFiles.length;
// got all local files, now sort them
localFiles.sort(function(a,b) {
localFiles.sort(function(a, b) {
var aname = a.filename.toLowerCase();
var bname = b.filename.toLowerCase();
return aname > bname ? 1 : -1;