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@@ -495,17 +495,25 @@ if (typeof PDFJS === 'undefined') {
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}
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})();
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-// Support: IE<10, Android<4.0, iOS<5.0
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+// Support: IE<10, Android<4.0, iOS
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(function checkRequestAnimationFrame() {
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+ function fakeRequestAnimationFrame(callback) {
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+ window.setTimeout(callback, 20);
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+ }
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+
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+ var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
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+ if (isIOS) {
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+ // requestAnimationFrame on iOS is broken, replacing with fake one.
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+ window.requestAnimationFrame = fakeRequestAnimationFrame;
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+ return;
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+ }
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if ('requestAnimationFrame' in window) {
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return;
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}
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window.requestAnimationFrame =
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window.mozRequestAnimationFrame ||
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window.webkitRequestAnimationFrame ||
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- (function fakeRequestAnimationFrame(callback) {
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- window.setTimeout(callback, 20);
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- });
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+ fakeRequestAnimationFrame;
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})();
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(function checkCanvasSizeLimitation() {
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