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now shows correct numbers, still needs bugfixes

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This commit is contained in:
quarz12 2023-05-23 14:31:37 +02:00
parent 47aa3254c7
commit 617ee3d781
1 changed files with 16 additions and 5 deletions
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21
cps/static/js/reading/epub-progress.js
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@ -62,9 +62,10 @@ class EpubParser {
/**
returns the sum of the bytesize of all html files that are located before it in the spine
@param {string} currentFile idref of the current file, also part of the CFI, e.g. here: #epubcfi(/6/2[titlepage]!/4/1:0) it would be "titlepage"
@param {string} filepath path of the current file, also part of the CFI, e.g. here: #epubcfi(/6/2[titlepage]!/4/1:0) it would be "titlepage"
*/
getPreviousFilesSize(currentFile) {
getPreviousFilesSize(filepath) {
let currentFile=this.getIdRef(filepath);
let bytesize = 0;
for (let file of this.getSpine()) {
if (file !== currentFile) {
@ -80,7 +81,9 @@ class EpubParser {
}
return bytesize;
}
getIdRef(filepath){
return this.opfXml.querySelector(`[href="${filepath}"]`).getAttribute("id");
}
/**
* resolves the given cfi to the xml node it points to
* @param {string} cfi epub-cfi string in the form: epubcfi(/6/16[id13]!/4[id2]/4/2[doc12]/1:0)
@ -161,11 +164,19 @@ class EpubParser {
return size;
}
/**
* @param currentFile filepath
* @param CFI
* @return {number} percentage
*/
getProgress(currentFile, CFI) {
let percentage = (this.getPreviousFilesSize(currentFile) + this.getCurrentFileProgress(CFI))/this.getTotalByteLength();
if (percentage === Infinity) {
return 0;
} else {
} else if (percentage>1){
return 1;
}
else{
return percentage;
}
}
@ -185,7 +196,7 @@ function waitFor(variable, callback) {
*/
function calculateProgress(){
let data=reader.rendition.currentLocation().end;
return Math.round(epubParser.getProgress(epubParser.absPath(data.href),data.cfi)*100);
return Math.round(epubParser.getProgress(data.href,data.cfi)*100);
}
var epubParser;
waitFor(reader.book,()=>{