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Reduce the number of calls to PDFView.getVisiblePages from updateViewarea

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This commit is contained in:
Jonas Jenwald 2014-05-09 16:08:19 +02:00
parent 2acb40fffb
commit b88c5330a9
1 changed files with 4 additions and 3 deletions
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7
web/viewer.js
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@ -1205,14 +1205,15 @@ var PDFView = {
} }
}, },
renderHighestPriority: function pdfViewRenderHighestPriority() { renderHighestPriority:
function pdfViewRenderHighestPriority(currentlyVisiblePages) {
if (PDFView.idleTimeout) { if (PDFView.idleTimeout) {
clearTimeout(PDFView.idleTimeout); clearTimeout(PDFView.idleTimeout);
PDFView.idleTimeout = null; PDFView.idleTimeout = null;
} }
// Pages have a higher priority than thumbnails, so check them first. // Pages have a higher priority than thumbnails, so check them first.
var visiblePages = this.getVisiblePages(); var visiblePages = currentlyVisiblePages || this.getVisiblePages();
var pageView = this.getHighestPriority(visiblePages, this.pages, var pageView = this.getHighestPriority(visiblePages, this.pages,
this.pageViewScroll.down); this.pageViewScroll.down);
if (pageView) { if (pageView) {
@ -1925,7 +1926,7 @@ function updateViewarea() {
return; return;
} }
PDFView.renderHighestPriority(); PDFView.renderHighestPriority(visible);
var currentId = PDFView.page; var currentId = PDFView.page;
var firstPage = visible.first; var firstPage = visible.first;