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Uses rAF to interrupt the operator list execution

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This commit is contained in:
Yury Delendik 2014-05-09 07:00:47 -05:00
parent abc924b5af
commit c5eb058b09
4 changed files with 28 additions and 18 deletions
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12
web/compatibility.js
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@ -564,3 +564,15 @@ if (typeof PDFJS === 'undefined') {
console.log('Unable to create polyfill for localStorage');
}
})();
(function checkRequestAnimationFrame() {
if ('requestAnimationFrame' in window) {
return;
}
window.requestAnimationFrame =
window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame ||
window.oRequestAnimationFrame || window.msRequestAnimationFrame ||
(function fakeRequestAnimationFrame(callback) {
window.setTimeout(callback, 20);
});
})();

10
web/viewer.js
View file

@ -2410,16 +2410,8 @@ window.addEventListener('afterprint', function afterPrint(evt) {
(function animationStartedClosure() {
// The offsetParent is not set until the pdf.js iframe or object is visible.
// Waiting for first animation.
var requestAnimationFrame = window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function startAtOnce(callback) { callback(); };
PDFView.animationStartedPromise = new Promise(function (resolve) {
requestAnimationFrame(function onAnimationFrame() {
resolve();
});
window.requestAnimationFrame(resolve);
});
})();