The Tor Browser: layout/base/nsAutoLayoutPhase.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef nsAutoLayoutPhase_h

     6 #define nsAutoLayoutPhase_h

     8 #ifdef DEBUG

    10 // We can't forward declare an enum before C++11 which means we have to include

    11 // nsPresContext.h just because nsLayoutPhase is passed to the ctor.

    12 #include "nsPresContext.h"

    14 struct nsAutoLayoutPhase {

    15   nsAutoLayoutPhase(nsPresContext* aPresContext, nsLayoutPhase aPhase);

    16   ~nsAutoLayoutPhase();

    18   void Enter();

    19   void Exit();

    21 private:

    22   nsPresContext* mPresContext;

    23   nsLayoutPhase mPhase;

    24   uint32_t mCount;

    25 };

    27 #define AUTO_LAYOUT_PHASE_ENTRY_POINT(pc_, phase_) \

    28   nsAutoLayoutPhase autoLayoutPhase((pc_), (eLayoutPhase_##phase_))

    29 #define LAYOUT_PHASE_TEMP_EXIT() \

    30   PR_BEGIN_MACRO \

    31     autoLayoutPhase.Exit(); \

    32   PR_END_MACRO

    33 #define LAYOUT_PHASE_TEMP_REENTER() \

    34   PR_BEGIN_MACRO \

    35     autoLayoutPhase.Enter(); \

    36   PR_END_MACRO

    38 #else // DEBUG

    40 #define AUTO_LAYOUT_PHASE_ENTRY_POINT(pc_, phase_) \

    41   PR_BEGIN_MACRO PR_END_MACRO

    42 #define LAYOUT_PHASE_TEMP_EXIT() \

    43   PR_BEGIN_MACRO PR_END_MACRO

    44 #define LAYOUT_PHASE_TEMP_REENTER() \

    45   PR_BEGIN_MACRO PR_END_MACRO

    47 #endif // DEBUG

    49 #endif // nsAutoLayoutPhase_h

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