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EpubReader.js
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EpubReader.js
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define([
"readium_shared_js/globalsSetup",
"readium_shared_js/globals",
'./ModuleConfig',
'jquery',
'bootstrap',
'bootstrapA11y',
'URIjs',
'./Spinner',
'Settings',
'i18nStrings',
'./Dialogs',
'./ReaderSettingsDialog',
'hgn!readium_js_viewer_html_templates/about-dialog.html',
'hgn!readium_js_viewer_html_templates/reader-navbar.html',
'hgn!readium_js_viewer_html_templates/reader-body.html',
'hgn!readium_js_viewer_html_templates/reader-body-page-btns.html',
'Analytics',
'screenfull',
'./Keyboard',
'./EpubReaderMediaOverlays',
'./EpubReaderBackgroundAudioTrack',
'./gestures',
'./versioning/ReadiumVersioning',
'readium_js/Readium',
'readium_shared_js/helpers',
'readium_shared_js/models/bookmark_data'],
function (
globalSetup,
Globals,
moduleConfig,
$,
bootstrap,
bootstrapA11y,
URI,
spinner,
Settings,
Strings,
Dialogs,
SettingsDialog,
AboutDialog,
ReaderNavbar,
ReaderBody,
ReaderBodyPageButtons,
Analytics,
screenfull,
Keyboard,
EpubReaderMediaOverlays,
EpubReaderBackgroundAudioTrack,
GesturesHandler,
Versioning,
Readium,
Helpers,
BookmarkData){
// initialised in initReadium()
var readium = undefined;
// initialised in loadReaderUI(), with passed data.embedded
var embedded = undefined;
// initialised in loadReaderUI(), with passed data.epub
var ebookURL = undefined;
var ebookURL_filepath = undefined;
// initialised in loadEbook() >> readium.openPackageDocument()
var currentPackageDocument = undefined;
// initialised in initReadium()
// (variable not actually used anywhere here, but top-level to indicate that its lifespan is that of the reader object (not to be garbage-collected))
var gesturesHandler = undefined;
// TODO: is this variable actually used anywhere here??
// (bad naming convention, hard to find usages of "el")
var el = document.documentElement;
var tooltipSelector = function() {
return 'nav *[title], #readium-page-btns *[title]';
};
var ensureUrlIsRelativeToApp = function(ebookURL) {
if (!ebookURL) {
return ebookURL;
}
if (ebookURL.indexOf("http") != 0) {
return ebookURL;
}
var isHTTPS = (ebookURL.indexOf("https") == 0);
var CORS_PROXY_HTTP_TOKEN = "/http://";
var CORS_PROXY_HTTPS_TOKEN = "/https://";
// Ensures URLs like http://crossorigin.me/http://domain.com/etc
// do not end-up loosing the double forward slash in http://domain.com
// (because of URI.absoluteTo() path normalisation)
var CORS_PROXY_HTTP_TOKEN_ESCAPED = "/http%3A%2F%2F";
var CORS_PROXY_HTTPS_TOKEN_ESCAPED = "/https%3A%2F%2F";
// case-insensitive regexp for percent-escapes
var regex_CORS_PROXY_HTTPs_TOKEN_ESCAPED = new RegExp("/(http[s]?):%2F%2F", "gi");
var appUrl =
window.location ? (
window.location.protocol
+ "//"
+ window.location.hostname
+ (window.location.port ? (':' + window.location.port) : '')
+ window.location.pathname
) : undefined;
if (appUrl) {
console.log("EPUB URL absolute: " + ebookURL);
console.log("App URL: " + appUrl);
ebookURL = ebookURL.replace(CORS_PROXY_HTTP_TOKEN, CORS_PROXY_HTTP_TOKEN_ESCAPED);
ebookURL = ebookURL.replace(CORS_PROXY_HTTPS_TOKEN, CORS_PROXY_HTTPS_TOKEN_ESCAPED);
// console.log("EPUB URL absolute 1: " + ebookURL);
ebookURL = new URI(ebookURL).relativeTo(appUrl).toString();
if (ebookURL.indexOf("//") == 0) { // URI.relativeTo() sometimes returns "//domain.com/path" without the protocol
ebookURL = (isHTTPS ? "https:" : "http:") + ebookURL;
}
// console.log("EPUB URL absolute 2: " + ebookURL);
ebookURL = ebookURL.replace(regex_CORS_PROXY_HTTPs_TOKEN_ESCAPED, "/$1://");
console.log("EPUB URL relative to app: " + ebookURL);
}
return ebookURL;
};
function setBookTitle(title) {
var $titleEl = $('.book-title-header');
if ($titleEl.length) {
$titleEl.text(title);
} else {
$('<h2 class="book-title-header"></h2>').insertAfter('.navbar').text(title);
}
};
var _debugBookmarkData_goto = undefined;
var debugBookmarkData = function(cfi) {
if (!readium) return;
readium.reader.debugBookmarkData(cfi);
};
// This function will retrieve a package document and load an EPUB
var loadEbook = function (readerSettings, openPageRequest) {
readium.openPackageDocument(
ebookURL,
function(packageDocument, options){
if (!packageDocument) {
console.error("ERROR OPENING EBOOK: " + ebookURL_filepath);
spin(false);
setBookTitle(ebookURL_filepath);
Dialogs.showErrorWithDetails(Strings.err_epub_corrupt, ebookURL_filepath);
//Dialogs.showModalMessage(Strings.err_dlg_title, ebookURL_filepath);
return;
}
currentPackageDocument = packageDocument;
currentPackageDocument.generateTocListDOM(function(dom){
loadToc(dom)
});
wasFixed = readium.reader.isCurrentViewFixedLayout();
var metadata = options.metadata;
setBookTitle(metadata.title);
$("#left-page-btn").unbind("click");
$("#right-page-btn").unbind("click");
var $pageBtnsContainer = $('#readium-page-btns');
$pageBtnsContainer.empty();
var rtl = currentPackageDocument.getPageProgressionDirection() === "rtl"; //_package.spine.isLeftToRight()
$pageBtnsContainer.append(ReaderBodyPageButtons({strings: Strings, dialogs: Dialogs, keyboard: Keyboard,
pageProgressionDirectionIsRTL: rtl
}));
$("#left-page-btn").on("click", prevPage);
$("#right-page-btn").on("click", nextPage);
$("#left-page-btn").mouseleave(function() {
$(tooltipSelector()).tooltip('destroy');
});
$("#right-page-btn").mouseleave(function() {
$(tooltipSelector()).tooltip('destroy');
});
},
openPageRequest
);
};
var spin = function(on)
{
if (on) {
//console.error("do SPIN: -- WILL: " + spinner.willSpin + " IS:" + spinner.isSpinning + " STOP REQ:" + spinner.stopRequested);
if (spinner.willSpin || spinner.isSpinning) return;
spinner.willSpin = true;
setTimeout(function()
{
if (spinner.stopRequested)
{
//console.debug("STOP REQUEST: -- WILL: " + spinner.willSpin + " IS:" + spinner.isSpinning + " STOP REQ:" + spinner.stopRequested);
spinner.willSpin = false;
spinner.stopRequested = false;
return;
}
//console.debug("SPIN: -- WILL: " + spinner.willSpin + " IS:" + spinner.isSpinning + " STOP REQ:" + spinner.stopRequested);
spinner.isSpinning = true;
spinner.spin($('#reading-area')[0]);
spinner.willSpin = false;
}, 100);
} else {
if (spinner.isSpinning)
{
//console.debug("!! SPIN: -- WILL: " + spinner.willSpin + " IS:" + spinner.isSpinning + " STOP REQ:" + spinner.stopRequested);
spinner.stop();
spinner.isSpinning = false;
}
else if (spinner.willSpin)
{
//console.debug("!! SPIN REQ: -- WILL: " + spinner.willSpin + " IS:" + spinner.isSpinning + " STOP REQ:" + spinner.stopRequested);
spinner.stopRequested = true;
}
}
};
var tocShowHideToggle = function(){
unhideUI();
var $appContainer = $('#app-container'),
hide = $appContainer.hasClass('toc-visible');
var bookmark;
if (readium.reader.handleViewportResize && !embedded){
bookmark = JSON.parse(readium.reader.bookmarkCurrentPage());
}
if (hide){
$appContainer.removeClass('toc-visible');
// clear tabindex off of any previously focused ToC item
var existsFocusable = $('#readium-toc-body a[tabindex="60"]');
if (existsFocusable.length > 0){
existsFocusable[0].setAttribute("tabindex", "-1");
}
/* end of clear focusable tab item */
setTimeout(function(){ $('#tocButt')[0].focus(); }, 100);
}
else{
$appContainer.addClass('toc-visible');
setTimeout(function(){ $('#readium-toc-body button.close')[0].focus(); }, 100);
}
if(embedded){
hideLoop(null, true);
}else if (readium.reader.handleViewportResize){
readium.reader.handleViewportResize(bookmark);
// setTimeout(function()
// {
// readium.reader.openSpineItemElementCfi(bookmark.idref, bookmark.contentCFI, readium.reader);
// }, 90);
}
};
var showScaleDisplay = function(){
$('.zoom-wrapper').show();
}
var setScaleDisplay = function(){
var scale = readium.reader.getViewScale();
$('.zoom-wrapper input').val(Math.round(scale) + "%");
}
var hideScaleDisplay = function(){
$('.zoom-wrapper').hide();
}
var loadToc = function(dom){
if (dom) {
$('script', dom).remove();
var tocNav;
var $navs = $('nav', dom);
Array.prototype.every.call($navs, function(nav){
if (nav.getAttributeNS('http://www.idpf.org/2007/ops', 'type') == 'toc'){
tocNav = nav;
return false;
}
return true;
});
var isRTL = false;
var pparent = tocNav;
while (pparent && pparent.getAttributeNS)
{
var dir = pparent.getAttributeNS("http://www.w3.org/1999/xhtml", "dir") || pparent.getAttribute("dir");
if (dir && dir === "rtl")
{
isRTL = true;
break;
}
pparent = pparent.parentNode;
}
var toc = (tocNav && $(tocNav).html()) || $('body', dom).html() || $(dom).html();
var tocUrl = currentPackageDocument.getToc();
if (toc && toc.length)
{
var $toc = $(toc);
// "iframe" elements need to be stripped out, because of potential vulnerability when loading malicious EPUBs
// e.g. src="javascript:doHorribleThings(window.top)"
// Note that "embed" and "object" elements with AllowScriptAccess="always" do not need to be removed,
// because unlike "iframe" the @src URI does not trigger the execution of the "javascript:" statement,
// and because the "data:" base64 encoding of an image/svg that contains ecmascript
// automatically results in origin/domain restrictions (thereby preventing access to window.top / window.parent).
// Also note that "script" elements are discarded automatically by jQuery.
$('iframe', $toc).remove();
$('#readium-toc-body').append($toc);
if (isRTL)
{
$toc[0].setAttributeNS("http://www.w3.org/1999/xhtml", "dir", "rtl");
$toc[0].style.direction = "rtl"; // The CSS stylesheet property does not trigger :(
}
// remove default focus from anchor elements in TOC after added to #readium-toc-body
var $items = $('#readium-toc-body li >a');
$items.each(function(){
$(this).attr("tabindex", "-1");
$(this).on("focus", function(event){
//console.log("toc item focus: " + event.target);
// remove tabindex from previously focused
var $prevFocus = $('#readium-toc-body a[tabindex="60"]');
if ($prevFocus.length>0 && $prevFocus[0] !== event.target){
//console.log("previous focus: " + $prevFocus[0]);
$prevFocus.attr("tabindex","-1");
}
// add to newly focused
event.target.setAttribute("tabindex", "60");
});
});
}
} else {
var tocUrl = currentPackageDocument.getToc();
$('#readium-toc-body').append("?? " + tocUrl);
}
var _tocLinkActivated = false;
var lastIframe = undefined,
wasFixed;
readium.reader.on(ReadiumSDK.Events.FXL_VIEW_RESIZED, function() {
Globals.logEvent("FXL_VIEW_RESIZED", "ON", "EpubReader.js");
setScaleDisplay();
});
readium.reader.on(ReadiumSDK.Events.CONTENT_DOCUMENT_LOAD_START, function ($iframe, spineItem)
{
Globals.logEvent("CONTENT_DOCUMENT_LOAD_START", "ON", "EpubReader.js [ " + spineItem.href + " ]");
savePlace();
});
readium.reader.on(ReadiumSDK.Events.CONTENT_DOCUMENT_LOADED, function ($iframe, spineItem)
{
Globals.logEvent("CONTENT_DOCUMENT_LOADED", "ON", "EpubReader.js [ " + spineItem.href + " ]");
var isFixed = readium.reader.isCurrentViewFixedLayout();
// TODO: fix the pan-zoom feature!
if (isFixed){
showScaleDisplay();
}
else{
hideScaleDisplay();
}
//TODO not picked-up by all screen readers, so for now this short description will suffice
$iframe.attr("title", "EPUB");
$iframe.attr("aria-label", "EPUB");
lastIframe = $iframe[0];
});
readium.reader.on(ReadiumSDK.Events.PAGINATION_CHANGED, function (pageChangeData)
{
Globals.logEvent("PAGINATION_CHANGED", "ON", "EpubReader.js");
if (_debugBookmarkData_goto) {
debugBookmarkData(_debugBookmarkData_goto);
_debugBookmarkData_goto = undefined;
}
savePlace();
updateUI(pageChangeData);
spin(false);
if (!_tocLinkActivated) return;
_tocLinkActivated = false;
try
{
var iframe = undefined;
var element = undefined;
var id = pageChangeData.elementId;
if (!id)
{
var bookmark = JSON.parse(readium.reader.bookmarkCurrentPage());
//bookmark.idref; //manifest item
if (pageChangeData.spineItem)
{
element = readium.reader.getElementByCfi(pageChangeData.spineItem.idref, bookmark.contentCFI,
["cfi-marker", "mo-cfi-highlight"],
[],
["MathJax_Message"]);
element = element[0];
if (element)
{
iframe = $("#epub-reader-frame iframe")[0];
var doc = ( iframe.contentWindow || iframe.contentDocument ).document;
if (element.ownerDocument !== doc)
{
iframe = $("#epub-reader-frame iframe")[1];
if (iframe)
{
doc = ( iframe.contentWindow || iframe.contentDocument ).document;
if (element.ownerDocument !== doc)
{
iframe = undefined;
}
}
}
}
}
}
else
{
iframe = $("#epub-reader-frame iframe")[0];
var doc = ( iframe.contentWindow || iframe.contentDocument ).document;
element = doc.getElementById(id);
if (!element)
{
iframe = $("#epub-reader-frame iframe")[1];
if (iframe)
{
doc = ( iframe.contentWindow || iframe.contentDocument ).document;
element = doc.getElementById(id);
if (!element)
{
iframe = undefined;
}
}
}
}
if (!iframe)
{
iframe = lastIframe;
}
/* Remove because is removing focus from the toc
if (iframe)
{
//var doc = ( iframe.contentWindow || iframe.contentDocument ).document;
var toFocus = iframe; //doc.body
setTimeout(function(){ toFocus.focus(); }, 50);
}
*/
}
catch (e)
{
//
}
});
$('#readium-toc-body').on('click', 'a', function(e)
{
try {
spin(true);
var href = $(this).attr('href');
//href = tocUrl ? new URI(href).absoluteTo(tocUrl).toString() : href;
_tocLinkActivated = true;
readium.reader.openContentUrl(href, tocUrl, undefined);
if (embedded) {
$('.toc-visible').removeClass('toc-visible');
unhideUI();
}
} catch (err) {
console.error(err);
} finally {
//e.preventDefault();
//e.stopPropagation();
return false;
}
});
$('#readium-toc-body').prepend('<button tabindex="50" type="button" class="close" data-dismiss="modal" aria-label="'+Strings.i18n_close+' '+Strings.toc+'" title="'+Strings.i18n_close+' '+Strings.toc+'"><span aria-hidden="true">×</span></button>');
$('#readium-toc-body button.close').on('click', function(){
tocShowHideToggle();
/*
var bookmark = JSON.parse(readium.reader.bookmarkCurrentPage());
$('#app-container').removeClass('toc-visible');
if (embedded){
$(document.body).removeClass('hide-ui');
}else if (readium.reader.handleViewportResize){
readium.reader.handleViewportResize();
readium.reader.openSpineItemElementCfi(bookmark.idref, bookmark.contentCFI, readium.reader);
}
*/
return false;
})
// var KEY_ENTER = 0x0D;
// var KEY_SPACE = 0x20;
var KEY_END = 0x23;
var KEY_HOME = 0x24;
// var KEY_LEFT = 0x25;
var KEY_UP = 0x26;
// var KEY_RIGHT = 0x27;
var KEY_DOWN = 0x28;
$('#readium-toc-body').keydown( function(event){
var next = null;
var blurNode = event.target;
switch (event.which) {
case KEY_HOME:
//find first li >a
next = $('#readium-toc-body li >a')[0];
break;
case KEY_END:
// find last a within toc
next = $('#readium-toc-body a').last()[0];
break;
case KEY_DOWN:
if (blurNode.tagName == "BUTTON") {
var existsFocusable = $('#readium-toc-body a[tabindex="60"]');
if (existsFocusable.length > 0) {
next = existsFocusable[0];
} else {
// go to first entry
next = $('#readium-toc-body li >a')[0];
}
} else {
// find all the a elements, find previous focus (tabindex=60) then get next
var $items = $('#readium-toc-body a');
var index = $('a[tabindex="60"]').index('#readium-toc-body a');
//var index = $('a[tabindex="60"]').index($items); // not sure why this won't work?
if (index > -1 && index < $items.length-1) {
next = $items.get(index+1);
}
}
break;
case KEY_UP:
// find all the a elements, find previous focus (tabindex=60) then get previous
var $items = $('#readium-toc-body a');
var index = $('a[tabindex="60"]').index('#readium-toc-body a');
if (index > -1 && index > 0 ) {
next = $items.get(index-1);
}
break;
default:
return;
}
if (next) {
event.preventDefault();
setTimeout(next.focus(), 5);
}
return;
}); // end of onkeyup
} // end of loadToc
var toggleFullScreen = function(){
if (!screenfull.enabled) return;
screenfull.toggle();
}
var isChromeExtensionPackagedApp = (typeof chrome !== "undefined") && chrome.app
&& chrome.app.window && chrome.app.window.current; // a bit redundant?
if (screenfull.enabled) {
if (isChromeExtensionPackagedApp) {
screenfull.onchange = function(e) {
if (chrome.app.window.current().isFullscreen()) {
chrome.app.window.current().restore();
}
};
}
screenfull.onchange(function(e){
var titleText;
if (screenfull.isFullscreen)
{
titleText = Strings.exit_fullscreen+ ' [' + Keyboard.FullScreenToggle + ']';
$('#buttFullScreenToggle span').removeClass('glyphicon-resize-full');
$('#buttFullScreenToggle span').addClass('glyphicon-resize-small');
$('#buttFullScreenToggle').attr('aria-label', titleText);
$('#buttFullScreenToggle').attr('title', titleText);
}
else
{
titleText = Strings.enter_fullscreen + ' [' + Keyboard.FullScreenToggle + ']';
$('#buttFullScreenToggle span').removeClass('glyphicon-resize-small');
$('#buttFullScreenToggle span').addClass('glyphicon-resize-full');
$('#buttFullScreenToggle').attr('aria-label', titleText);
$('#buttFullScreenToggle').attr('title', titleText);
}
});
}
var unhideUI = function(){
hideLoop();
}
var hideUI = function(){
hideTimeoutId = null;
// don't hide it toolbar while toc open in non-embedded mode
if (!embedded && $('#app-container').hasClass('toc-visible')){
hideLoop()
return;
}
var navBar = document.getElementById("app-navbar");
if (document.activeElement) {
var within = jQuery.contains(navBar, document.activeElement);
if (within){
hideLoop();
return;
}
}
var $navBar = $(navBar);
// BROEKN! $navBar.is(':hover')
var isMouseOver = $navBar.find(':hover').length > 0;
if (isMouseOver){
hideLoop()
return;
}
if ($('#audioplayer').hasClass('expanded-audio')){
hideLoop();
return;
}
$(tooltipSelector()).tooltip('destroy');
$(document.body).addClass('hide-ui');
}
var hideTimeoutId;
var hideLoop = function(e, immediate){
// if (!embedded){
// return;
// }
if (hideTimeoutId){
window.clearTimeout(hideTimeoutId);
hideTimeoutId = null;
}
if (!$('#app-container').hasClass('toc-visible') && $(document.body).hasClass('hide-ui')){
$(document.body).removeClass('hide-ui');
}
if (immediate){
hideUI();
}
else{
hideTimeoutId = window.setTimeout(hideUI, 8000);
}
}
//TODO: also update "previous/next page" commands status (disabled/enabled), not just button visibility.
// https://github.com/readium/readium-js-viewer/issues/188
// See onSwipeLeft() onSwipeRight() in gesturesHandler.
// See nextPage() prevPage() in this class.
var updateUI = function(pageChangeData){
if(pageChangeData.paginationInfo.canGoLeft())
$("#left-page-btn").show();
else
$("#left-page-btn").hide();
if(pageChangeData.paginationInfo.canGoRight())
$("#right-page-btn").show();
else
$("#right-page-btn").hide();
};
var generateQueryParamCFI = function (bookmark) {
if (!bookmark.idref) {
return;
}
var contentCFI = bookmark.contentCFI;
if (!contentCFI) {
contentCFI = "/0"; // "null" CFI step
}
var spineItemPackageCFI = readium.reader.spine().getItemById(bookmark.idref).cfi;
var completeCFI = 'epubcfi(' + spineItemPackageCFI + contentCFI + ')';
// encodeURI is used instead of encodeURIComponent to not excessively encode all characters
// characters '/', '!', '@', and ':' are allowed in the query component of a URI as per RFC 3986 section 3.4
return encodeURI(completeCFI);
};
var savePlace = function(){
var bookmarkString = readium.reader.bookmarkCurrentPage();
// Note: automatically JSON.stringify's the passed value!
// ... and bookmarkCurrentPage() is already JSON.toString'ed, so that's twice!
Settings.put(ebookURL_filepath, bookmarkString, $.noop);
if (!isChromeExtensionPackagedApp // History API is disabled in packaged apps
&& window.history && window.history.replaceState) {
var urlParams = Helpers.getURLQueryParams();
var ebookURL = urlParams['epub'];
if (!ebookURL) return;
ebookURL = ensureUrlIsRelativeToApp(ebookURL);
var bookmark = JSON.parse(bookmarkString) || {};
var epubs = urlParams['epubs'];
var gotoParam = generateQueryParamCFI(bookmark);
var url = Helpers.buildUrlQueryParameters(undefined, {
epub: ebookURL,
epubs: (epubs ? epubs : " "),
embedded: " ",
goto: {value: gotoParam ? gotoParam : " ", verbatim: true}
});
history.replaceState(
{epub: ebookURL, epubs: (epubs ? epubs : undefined)},
"Readium Viewer",
url
);
}
};
var nextPage = function () {
readium.reader.openPageRight();
return false;
};
var prevPage = function () {
readium.reader.openPageLeft();
return false;
};
var installReaderEventHandlers = function(){
if (isChromeExtensionPackagedApp) {
$('.icon-shareUrl').css("display", "none");
} else {
$(".icon-shareUrl").on("click", function () {
var urlParams = Helpers.getURLQueryParams();
var ebookURL = urlParams['epub'];
if (!ebookURL) return;
var bookmark = JSON.parse(readium.reader.bookmarkCurrentPage()) || {};
// TODO: remove dependency on highlighter plugin (selection DOM range convert to BookmarkData)
if (readium.reader.plugins.highlights) {
var tempId = Math.floor((Math.random()*1000000));
//BookmarkData
var bookmarkDataSelection = readium.reader.plugins.highlights.addSelectionHighlight(tempId, "temp-highlight");
if (bookmarkDataSelection) {
setTimeout(function(){
readium.reader.plugins.highlights.removeHighlight(tempId);
}, 500);
console.log("Selection shared bookmark:");
debugBookmarkData(bookmarkDataSelection);
bookmark.contentCFI = bookmarkDataSelection.contentCFI;
}
}
ebookURL = ensureUrlIsRelativeToApp(ebookURL);
var url = Helpers.buildUrlQueryParameters(undefined, {
epub: ebookURL,
epubs: " ",
embedded: " ",
goto: {value: generateQueryParamCFI(bookmark), verbatim: true}
});
var injectCoverImageURI = function(uri) {
var style = 'margin-top: 1em; margin-bottom: 0.5em; height:400px; width:100%; background-repeat: no-repeat; background-size: contain; background-position: center; background-attachment: scroll; background-clip: content-box; background-origin: content-box; box-sizing: border-box; background-image: url('+uri+');';
var $div = $("#readium_book_cover_image");
if ($div && $div[0]) {
$div.attr("style", style);
}
return style;
};
var ebookCoverImageURL = undefined;
try {
var fetcher = readium.getCurrentPublicationFetcher();
var coverHref = currentPackageDocument.getMetadata().cover_href;
if (coverHref) {
var coverPath = fetcher.convertPathRelativeToPackageToRelativeToBase(coverHref);
var relPath = "/" + coverPath; // "/META-INF/container.xml"
if (fetcher.shouldConstructDomProgrammatically()) {
fetcher.relativeToPackageFetchFileContents(relPath, 'blob', function (res) {
if(res) {
try {
var blobURI = window.URL.createObjectURL(res);
injectCoverImageURI(blobURI);
} catch (err) {
// ignore
console.error(err);
}
}
}, function (err) {
// ignore
console.error(err);
});
} else {
ebookCoverImageURL = fetcher.getEbookURL_FilePath() + relPath;
}
}
} catch(err) {
// ignore
console.error(err);
}
var styleAttr = "";
if (ebookCoverImageURL) {
styleAttr = ' style="' + injectCoverImageURI(ebookCoverImageURL) + '" ';
}
//showModalMessage
//showErrorWithDetails
Dialogs.showModalMessageEx(Strings.share_url, $('<p id="share-url-dialog-input-label">'+Strings.share_url_label+'</p><input id="share-url-dialog-input-id" aria-labelledby="share-url-dialog-input-label" type="text" value="'+url+'" readonly="readonly" style="width:100%" /><div id="readium_book_cover_image" '+styleAttr+'> </div>'));
setTimeout(function(){
$('#share-url-dialog-input-id').focus().select();
}, 500);
});
}
// Set handlers for click events
$(".icon-annotations").on("click", function () {
readium.reader.plugins.highlights.addSelectionHighlight(Math.floor((Math.random()*1000000)), "test-highlight");
});
var isWithinForbiddenNavKeysArea = function()
{
return document.activeElement &&
(
document.activeElement === document.getElementById('volume-range-slider')
|| document.activeElement === document.getElementById('time-range-slider')
|| document.activeElement === document.getElementById('rate-range-slider')
|| jQuery.contains(document.getElementById("mo-sync-form"), document.activeElement)
|| jQuery.contains(document.getElementById("mo-highlighters"), document.activeElement)
// jQuery.contains(document.getElementById("app-navbar"), document.activeElement)
// || jQuery.contains(document.getElementById("settings-dialog"), document.activeElement)
// || jQuery.contains(document.getElementById("about-dialog"), document.activeElement)
)
;
};
var hideTB = function(){
if (!embedded && $('#app-container').hasClass('toc-visible')){
return;
}
hideUI();
if (document.activeElement) document.activeElement.blur();
};
$("#buttHideToolBar").on("click", hideTB);
Keyboard.on(Keyboard.ToolbarHide, 'reader', hideTB);
var showTB = function(){
$("#aboutButt1")[0].focus();
unhideUI();
setTimeout(function(){ $("#aboutButt1")[0].focus(); }, 50);
};
$("#buttShowToolBar").on("click", showTB);
Keyboard.on(Keyboard.ToolbarShow, 'reader', showTB);
Keyboard.on(Keyboard.PagePrevious, 'reader', function(){
if (!isWithinForbiddenNavKeysArea()) prevPage();
});
Keyboard.on(Keyboard.PagePreviousAlt, 'reader', prevPage);
Keyboard.on(Keyboard.PageNextAlt, 'reader', nextPage);
Keyboard.on(Keyboard.PageNext, 'reader', function(){
if (!isWithinForbiddenNavKeysArea()) nextPage();
});
if (screenfull.enabled) {
Keyboard.on(Keyboard.FullScreenToggle, 'reader', toggleFullScreen);
$('#buttFullScreenToggle').on('click', toggleFullScreen);
} else {
$('#buttFullScreenToggle').css('display', 'none');
// $('#buttFullScreenToggle')[0].style.display = 'none';
}
var loadlibrary = function()
{
$("html").attr("data-theme", "library");
var urlParams = Helpers.getURLQueryParams();
//var ebookURL = urlParams['epub'];
var libraryURL = urlParams['epubs'];
$(window).triggerHandler('loadlibrary', libraryURL);
//$(window).trigger('loadlibrary');
};
Keyboard.on(Keyboard.SwitchToLibrary, 'reader', loadlibrary /* function(){setTimeout(, 30);} */ );
$('.icon-library').on('click', function(){
loadlibrary();
return false;
});
$('.zoom-wrapper input').on('click', function(){
if (!this.disabled){
this.focus();
return false;
}
});
Keyboard.on(Keyboard.TocShowHideToggle, 'reader', function()
{
var visible = $('#app-container').hasClass('toc-visible');
if (!visible)
{
tocShowHideToggle();
}
else
{
setTimeout(function(){ $('#readium-toc-body button.close')[0].focus(); }, 100);
}
});