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Fixed Safari / Iphone / Ipad support further

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This commit is contained in:
Tim de Koning 2012-06-27 11:05:17 +02:00
parent 4845bb586e
commit 823db83b19
1 changed files with 12 additions and 1 deletions
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13
web/compatibility.js
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@ -6,6 +6,16 @@
// Checking if the typed arrays are supported
(function checkTypedArrayCompatibility() {
if (typeof Uint8Array !== 'undefined') {
// some mobile versions do not support subarray (e.g. safari 5 / iPhone / iPad)
if (typeof Uint8Array.prototype.subarray === 'undefined') {
Uint8Array.prototype.subarray = function subarray(start, end) {
return new Uint8Array(this.slice(start, end));
}
Float32Array.prototype.subarray = function subarray(start, end) {
return new Float32Array(this.slice(start, end));
}
}
// some mobile version might not support Float64Array
if (typeof Float64Array === 'undefined')
window.Float64Array = Float32Array;
@ -69,7 +79,8 @@
// Object.defineProperty() ?
(function checkObjectDefinePropertyCompatibility() {
if (typeof Object.defineProperty !== 'undefined')
// safari 5 cannot use this on DOM objects and thus is unusable, see http://kangax.github.com/es5-compat-table/
if ((typeof Object.defineProperty !== 'undefined') && /Safari\/5/.test(navigator.userAgent))
return;
Object.defineProperty = function objectDefineProperty(obj, name, def) {