layout/base/PaintTracker.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 #ifndef mozilla_PaintTracker_h
michael@0 6 #define mozilla_PaintTracker_h
michael@0 7
michael@0 8 #include "mozilla/Attributes.h"
michael@0 9 #include "nsDebug.h"
michael@0 10
michael@0 11 namespace mozilla {
michael@0 12
michael@0 13 class MOZ_STACK_CLASS PaintTracker
michael@0 14 {
michael@0 15 public:
michael@0 16 PaintTracker() {
michael@0 17 ++gPaintTracker;
michael@0 18 }
michael@0 19 ~PaintTracker() {
michael@0 20 NS_ASSERTION(gPaintTracker > 0, "Mismatched constructor/destructor");
michael@0 21 --gPaintTracker;
michael@0 22 }
michael@0 23
michael@0 24 static bool IsPainting() {
michael@0 25 return !!gPaintTracker;
michael@0 26 }
michael@0 27
michael@0 28 private:
michael@0 29 static int gPaintTracker;
michael@0 30 };
michael@0 31
michael@0 32 } // namespace mozilla
michael@0 33
michael@0 34 #endif // mozilla_PaintTracker_h

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