Flip screen coordinates when converting NSEvent to WebMouseEvent. Enable proc...

Flip screen coordinates when converting NSEvent to WebMouseEvent. Enable processing of events during drag.
BUG=16909, 113616
TEST=dragging thumbnails works on NTP, dragging emails in gmail.

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=20989

[Avi (use Gerrit), 2009-07-17 19:35:13]

http://codereview.chromium.org/159021/diff/1/3
File chrome/browser/tab_contents/tab_contents_view_mac.mm (right):

http://codereview.chromium.org/159021/diff/1/3#newcode190
Line 190: MessageLoop::current()->SetNestableTasksAllowed(true);
Don't like this. When does this get reset?

http://codereview.chromium.org/159021/diff/1/2
File webkit/api/src/mac/WebInputEventFactory.mm (right):

http://codereview.chromium.org/159021/diff/1/2#newcode970
Line 970: result.globalY = [[[view window] screen] frame].size.height -
location.y;
OMG, we finally hit the one piece of code that uses the globalX|Y vars!

[pink (ping after 24hrs), 2009-07-17 19:44:07]

new patch pushed.

http://codereview.chromium.org/159021/diff/1/3
File chrome/browser/tab_contents/tab_contents_view_mac.mm (right):

http://codereview.chromium.org/159021/diff/1/3#newcode190
Line 190: MessageLoop::current()->SetNestableTasksAllowed(true);
On 2009/07/17 19:35:13, Avi wrote:
> Don't like this. When does this get reset?

Good point, reset below when we get told the drag is complete.

[Avi (use Gerrit), 2009-07-17 19:47:57]

LG

http://codereview.chromium.org/159021/diff/8/1004
File chrome/browser/tab_contents/tab_contents_view_mac.mm (right):

http://codereview.chromium.org/159021/diff/8/1004#newcode441
Line 441: MessageLoop::current()->SetNestableTasksAllowed(false);
A comment perhaps on this call and the (true) one to point to one another?

[Avi (use Gerrit), 2009-07-17 19:53:41]

[Approved]