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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsAutoLayoutPhase_h
#define nsAutoLayoutPhase_h
#ifdef DEBUG
// We can't forward declare an enum before C++11 which means we have to include
// nsPresContext.h just because nsLayoutPhase is passed to the ctor.
#include "nsPresContext.h"
struct nsAutoLayoutPhase {
nsAutoLayoutPhase(nsPresContext* aPresContext, nsLayoutPhase aPhase);
~nsAutoLayoutPhase();
void Enter();
void Exit();
private:
nsPresContext* mPresContext;
nsLayoutPhase mPhase;
uint32_t mCount;
};
#define AUTO_LAYOUT_PHASE_ENTRY_POINT(pc_, phase_) \
nsAutoLayoutPhase autoLayoutPhase((pc_), (eLayoutPhase_##phase_))
#define LAYOUT_PHASE_TEMP_EXIT() \
PR_BEGIN_MACRO \
autoLayoutPhase.Exit(); \
PR_END_MACRO
#define LAYOUT_PHASE_TEMP_REENTER() \
PR_BEGIN_MACRO \
autoLayoutPhase.Enter(); \
PR_END_MACRO
#else // DEBUG
#define AUTO_LAYOUT_PHASE_ENTRY_POINT(pc_, phase_) \
PR_BEGIN_MACRO PR_END_MACRO
#define LAYOUT_PHASE_TEMP_EXIT() \
PR_BEGIN_MACRO PR_END_MACRO
#define LAYOUT_PHASE_TEMP_REENTER() \
PR_BEGIN_MACRO PR_END_MACRO
#endif // DEBUG
#endif // nsAutoLayoutPhase_h
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