32827 2009-12-21 10:15:36 -0800 Crash when calling IWebView::close, then releasing the WebView, without calling DestroyWindow 2010-01-05 15:10:31 -0800 1 1 1 Unclassified WebKit WebKit API 528+ (Nightly build) PC Windows XP RESOLVED FIXED InRadar, PlatformOnly P2 Normal --- 1 aroben webkit-unassigned sfalken webkit.review.bot oldest_to_newest 173994 0 45337 aroben 2009-12-21 10:15:36 -0800 Created attachment 45337 Patch WebKit clients can currently cleanly get rid of a WebView in two ways. A) 1) DestroyWindow(webViewHWND) 2) webView->Release() B) 1) webView->close() 2) DestroyWindow(webViewHWND) (can be swapped with (1)) 3) webView->Release() We'd like clients to be able to get rid of a WebView just by releasing the last reference to it. This patch gets us a little closer to that by removing step B2 above (though calling DestroyWindow in this case is harmless). A future patch will make steps A1 and B1 unnecessary, as well. Fixes <rdar://problem/7374218> Crash in WebView::updateActiveState when closing "Welcome to iTunes" window Reviewed by NOBODY (OOPS!). * WebView.cpp: (WebView::~WebView): Call setIsBeingDestroyed() so that we won't be ref'd by our WndProc, which would result in this destructor being re-entered. (WebView::close): Moved the call to revokeDragDrop here... (WebView::WebViewWndProc): ...from here. This is important in order to release the reference that OLE holds while we're registered as a drop target. Otherwise, clients that call IWebView::close but not DestroyWindow would leak the WebView. * WebView.h: (WebView::setIsBeingDestroyed): (WebView::isBeingDestroyed): Made these private, and added a comment about what isBeingDestroyed() now means. --- 3 files changed, 52 insertions(+), 5 deletions(-) 173996 1 aroben 2009-12-21 10:17:34 -0800 <rdar://problem/7374218> 173998 2 webkit.review.bot 2009-12-21 10:19:06 -0800 style-queue ran check-webkit-style on attachment 45337 without any errors. 174316 3 45337 aroben 2009-12-22 11:27:20 -0800 Comment on attachment 45337 Patch I'm going to try tackling this a different way. 177252 4 45912 aroben 2010-01-05 11:04:57 -0800 Created attachment 45912 Make it safe to call IWebView::close when IWebView::initWithFrame hasn't been called 177255 5 webkit.review.bot 2010-01-05 11:10:02 -0800 style-queue ran check-webkit-style on attachment 45912 without any errors. 177282 6 45916 aroben 2010-01-05 12:02:30 -0800 Created attachment 45916 Make IWebView::close and destroying a WebView's HWND optional for WebKit clients 177378 7 45912 eric 2010-01-05 13:56:52 -0800 Comment on attachment 45912 Make it safe to call IWebView::close when IWebView::initWithFrame hasn't been called Looks sane to me too. 177428 8 aroben 2010-01-05 15:10:08 -0800 Committed r52829: <http://trac.webkit.org/changeset/52829> 177430 9 aroben 2010-01-05 15:10:31 -0800 Committed r52830: <http://trac.webkit.org/changeset/52830> 45337 2009-12-21 10:15:36 -0800 2009-12-22 11:27:20 -0800 Patch 20091221131539.patch text/plain 4485 aroben ZGlmZiAtLWdpdCBhL1dlYktpdC93aW4vQ2hhbmdlTG9nIGIvV2ViS2l0L3dpbi9DaGFuZ2VMb2cK aW5kZXggYzIxYTU3ZC4uM2U0NjBlMiAxMDA2NDQKLS0tIGEvV2ViS2l0L3dpbi9DaGFuZ2VMb2cK KysrIGIvV2ViS2l0L3dpbi9DaGFuZ2VMb2cKQEAgLTEsNSArMSw0NSBAQAogMjAwOS0xMi0yMSAg QWRhbSBSb2JlbiAgPGFyb2JlbkBhcHBsZS5jb20+CiAKKyAgICAgICAgTWFrZSBpdCB1bm5lY2Vz c2FyeSBmb3IgY2xpZW50cyB0byBjYWxsIERlc3Ryb3lXaW5kb3cgb24gYSBXZWJWaWV3CisKKyAg 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