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Improve performance on Mac: make the root view invisible

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pierre%netscape.com 1998-12-20 13:16:13 +00:00
parent fa82921b1c
commit f8315aa628
1 changed files with 7 additions and 0 deletions
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7
webshell/src/nsDocumentViewer.cpp
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@ -650,6 +650,13 @@ nsresult DocumentViewerImpl::MakeWindow(nsNativeWidget aNativeParent,
// Setup hierarchical relationship in view manager
mViewManager->SetRootView(mView);
#ifdef XP_MAC
// Making the root view invisible on Mac slightly improves the performance.
// It's not much but it helps. Besides, there is no reason not to make it invisble:
// it's entirely covered by other views and we don't use it to paint, just to resize.
mView->SetVisibility(nsViewVisibility_kHide);
#endif
mView->GetWidget(mWindow);
//set frame rate to 25 fps