27419 2009-07-18 17:51:47 -0700 Storing a reference to WorkerContext.postMessage() and calling it later yields a TypeError 2009-07-24 12:56:49 -0700 1 1 1 Unclassified WebKit WebCore JavaScript 528+ (Nightly build) PC OS X 10.5 RESOLVED FIXED P2 Normal --- 27420 1 atwilson dimich ap dimich sam oldest_to_newest 132968 0 atwilson 2009-07-18 17:51:47 -0700 There are a number of functions defined at global scope in WorkerContext - for example, setTimeout() and postMessage() are both defined in the worker global context. It's perfectly valid for worker code to do this: postMessage("hello"); However, if the worker code does this instead, it gets a TypeError: var saved = postMessage; saved("hello"); 132969 1 atwilson 2009-07-18 17:58:36 -0700 The test case works in Chromium, so it's somewhere in the JSC bindings. 133166 2 atwilson 2009-07-20 10:30:23 -0700 On a related note, the following line of code from Worker Context results in a TypeError also: postMessage.call(null, "foobar"); 133170 3 33094 atwilson 2009-07-20 10:50:44 -0700 Created attachment 33094 test case test case that shows this problem (passes on FF/Chrome, fails on Safari 4) 133586 4 33209 atwilson 2009-07-21 13:52:48 -0700 Created attachment 33209 proposed patch This is dependent on 27420 as it relies on the IsWorkerContext attribute added in that patch. 134379 5 33209 abarth 2009-07-23 23:11:40 -0700 Comment on attachment 33209 proposed patch Awesome. Thanks for the patch. 134604 6 dimich 2009-07-24 11:01:13 -0700 assingning to me for landing 134636 7 dimich 2009-07-24 12:56:49 -0700 Landed: http://trac.webkit.org/changeset/46371 33094 2009-07-20 10:50:44 -0700 2009-07-21 13:52:48 -0700 test case x text/plain 1032 atwilson ZGlmZiAtLWdpdCBhL0xheW91dFRlc3RzL2Zhc3Qvd29ya2Vycy9yZXNvdXJjZXMvd29ya2VyLWNh bGwuanMgYi9MYXlvdXRUZXN0cy9mYXN0L3dvcmtlcnMvcmVzb3VyY2VzL3dvcmtlci1jYWxsLmpz Cm5ldyBmaWxlIG1vZGUgMTAwNjQ0CmluZGV4IDAwMDAwMDAuLjA5NTBiMTYKLS0tIC9kZXYvbnVs bAorKysgYi9MYXlvdXRUZXN0cy9mYXN0L3dvcmtlcnMvcmVzb3VyY2VzL3dvcmtlci1jYWxsLmpz CkBAIC0wLDAgKzEsNCBAQAorcG9zdE1lc3NhZ2UoInBvc3RNZXNzYWdlKCkgY2FsbGVkIGRpcmVj dGx5Iik7Citwb3N0TWVzc2FnZS5jYWxsKG51bGwsICJwb3N0TWVzc2FnZSgpIGludm9rZWQgdmlh IHBvc3RNZXNzYWdlLmNhbGwoKSIpOwordmFyIHNhdmVkID0gcG9zdE1lc3NhZ2U7CitzYXZlZCgi cG9zdE1lc3NhZ2UoKSBjYWxsZWQgdmlhIGludGVybWVkaWF0ZSB2YXJpYWJsZSIpOwpkaWZmIC0t Z2l0IGEvTGF5b3V0VGVzdHMvZmFzdC93b3JrZXJzL3dvcmtlci1jYWxsLmh0bWwgYi9MYXlvdXRU 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