Fix coding style in web/viewer.js
This commit is contained in:
Jonas Jenwald
parent
0bd865b329
commit
9e0ed5ca7e
@ -225,10 +225,11 @@ var PDFView = {
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viewAreaElement.addEventListener('scroll', function webViewerScroll(evt) {
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var currentY = viewAreaElement.scrollTop;
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var lastY = state.lastY;
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if (currentY > lastY)
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if (currentY > lastY) {
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state.down = true;
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else if (currentY < lastY)
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} else if (currentY < lastY) {
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state.down = false;
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}
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// else do nothing and use previous value
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state.lastY = currentY;
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callback();
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@ -491,8 +492,9 @@ var PDFView = {
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}
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var args = e.data;
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if (typeof args !== 'object' || !('pdfjsLoadAction' in args))
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if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) {
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return;
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}
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switch (args.pdfjsLoadAction) {
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case 'supportsRangedLoading':
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PDFView.open(args.pdfUrl, 0, undefined, pdfDataRangeTransport, {
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@ -703,8 +705,9 @@ var PDFView = {
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},
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getDestinationHash: function pdfViewGetDestinationHash(dest) {
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if (typeof dest === 'string')
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if (typeof dest === 'string') {
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return PDFView.getAnchorUrl('#' + escape(dest));
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}
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if (dest instanceof Array) {
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var destRef = dest[0]; // see navigateTo method for dest format
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var pageNumber = destRef instanceof Object ?
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@ -864,15 +867,18 @@ var PDFView = {
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var thumbsView = document.getElementById('thumbnailView');
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thumbsView.parentNode.scrollTop = 0;
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while (thumbsView.hasChildNodes())
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while (thumbsView.hasChildNodes()) {
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thumbsView.removeChild(thumbsView.lastChild);
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}
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if ('_loadingInterval' in thumbsView)
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if ('_loadingInterval' in thumbsView) {
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clearInterval(thumbsView._loadingInterval);
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}
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var container = document.getElementById('viewer');
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while (container.hasChildNodes())
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while (container.hasChildNodes()) {
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container.removeChild(container.lastChild);
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}
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var pagesCount = pdfDocument.numPages;
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@ -1041,16 +1047,17 @@ var PDFView = {
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(PDFJS.version ? ' (PDF.js: ' + PDFJS.version + ')' : ''));
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var pdfTitle;
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if (metadata) {
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if (metadata.has('dc:title'))
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pdfTitle = metadata.get('dc:title');
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if (metadata && metadata.has('dc:title')) {
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pdfTitle = metadata.get('dc:title');
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}
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if (!pdfTitle && info && info['Title'])
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if (!pdfTitle && info && info['Title']) {
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pdfTitle = info['Title'];
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}
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if (pdfTitle)
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if (pdfTitle) {
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self.setTitle(pdfTitle + ' - ' + document.title);
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}
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if (info.IsAcroFormPresent) {
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console.warn('Warning: AcroForm/XFA is not supported');
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@ -1178,21 +1185,24 @@ var PDFView = {
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}
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for (var i = 0; i < numVisible; ++i) {
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var view = visibleViews[i].view;
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if (!this.isViewFinished(view))
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if (!this.isViewFinished(view)) {
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return view;
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}
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}
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// All the visible views have rendered, try to render next/previous pages.
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if (scrolledDown) {
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var nextPageIndex = visible.last.id;
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// ID's start at 1 so no need to add 1.
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if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex]))
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if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
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return views[nextPageIndex];
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}
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} else {
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var previousPageIndex = visible.first.id - 2;
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if (views[previousPageIndex] &&
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!this.isViewFinished(views[previousPageIndex]))
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!this.isViewFinished(views[previousPageIndex])) {
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return views[previousPageIndex];
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}
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}
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// Everything that needs to be rendered has been.
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return false;
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@ -1225,8 +1235,9 @@ var PDFView = {
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},
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setHash: function pdfViewSetHash(hash) {
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if (!hash)
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if (!hash) {
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return;
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}
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if (hash.indexOf('=') >= 0) {
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var params = PDFView.parseQueryString(hash);
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@ -1314,8 +1325,9 @@ var PDFView = {
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thumbsView.classList.add('hidden');
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outlineView.classList.remove('hidden');
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if (outlineButton.getAttribute('disabled'))
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if (outlineButton.getAttribute('disabled')) {
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return;
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}
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break;
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}
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},
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@ -1432,8 +1444,9 @@ var PDFView = {
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afterPrint: function pdfViewSetupAfterPrint() {
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var div = document.getElementById('printContainer');
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while (div.hasChildNodes())
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while (div.hasChildNodes()) {
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div.removeChild(div.lastChild);
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}
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},
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rotatePages: function pdfViewRotatePages(delta) {
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@ -1475,14 +1488,16 @@ var PDFView = {
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// In case one page has already been flipped there is a cooldown time
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// which has to expire before next page can be scrolled on to.
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if (currentTime > storedTime &&
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currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME)
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currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
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return;
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}
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// In case the user decides to scroll to the opposite direction than before
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// clear the accumulated delta.
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if ((this.mouseScrollDelta > 0 && mouseScrollDelta < 0) ||
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(this.mouseScrollDelta < 0 && mouseScrollDelta > 0))
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(this.mouseScrollDelta < 0 && mouseScrollDelta > 0)) {
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this.clearMouseScrollState();
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}
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this.mouseScrollDelta += mouseScrollDelta;
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@ -1505,8 +1520,9 @@ var PDFView = {
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// to do anything.
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if ((currentPage == 1 && pageFlipDirection == PageFlipDirection.UP) ||
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(currentPage == this.pages.length &&
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pageFlipDirection == PageFlipDirection.DOWN))
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pageFlipDirection == PageFlipDirection.DOWN)) {
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return;
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}
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this.page += pageFlipDirection;
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this.mouseScrollTimeStamp = currentTime;
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@ -1532,13 +1548,14 @@ var PDFView = {
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var DocumentOutlineView = function documentOutlineView(outline) {
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var outlineView = document.getElementById('outlineView');
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var outlineButton = document.getElementById('viewOutline');
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while (outlineView.firstChild)
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while (outlineView.firstChild) {
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outlineView.removeChild(outlineView.firstChild);
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}
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if (!outline) {
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if (!outlineView.classList.contains('hidden'))
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if (!outlineView.classList.contains('hidden')) {
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PDFView.switchSidebarView('thumbs');
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}
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return;
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}
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@ -1667,8 +1684,9 @@ function webViewerLoad(evt) {
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//#if !(FIREFOX || MOZCENTRAL)
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var locale = PDFJS.locale || navigator.language;
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if ('locale' in hashParams)
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if ('locale' in hashParams) {
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locale = hashParams['locale'];
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}
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mozL10n.setLanguage(locale);
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//#endif
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//#if (FIREFOX || MOZCENTRAL)
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@ -1855,8 +1873,9 @@ document.addEventListener('DOMContentLoaded', webViewerLoad, true);
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function updateViewarea() {
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if (!PDFView.initialized)
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if (!PDFView.initialized) {
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return;
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}
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var visible = PDFView.getVisiblePages();
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var visiblePages = visible.views;
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if (visiblePages.length === 0) {
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@ -1872,9 +1891,9 @@ function updateViewarea() {
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i < ii; ++i) {
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var page = visiblePages[i];
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if (page.percent < 100)
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if (page.percent < 100) {
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break;
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}
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if (page.id === PDFView.page) {
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stillFullyVisible = true;
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break;
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@ -1951,9 +1970,9 @@ window.addEventListener('hashchange', function webViewerHashchange(evt) {
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//#if !(FIREFOX || MOZCENTRAL || CHROME)
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window.addEventListener('change', function webViewerChange(evt) {
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var files = evt.target.files;
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if (!files || files.length === 0)
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if (!files || files.length === 0) {
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return;
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}
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var file = files[0];
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if (!PDFJS.disableCreateObjectURL &&
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