layout/base/nsAutoLayoutPhase.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 nsAutoLayoutPhase_h
michael@0 6 #define nsAutoLayoutPhase_h
michael@0 7
michael@0 8 #ifdef DEBUG
michael@0 9
michael@0 10 // We can't forward declare an enum before C++11 which means we have to include
michael@0 11 // nsPresContext.h just because nsLayoutPhase is passed to the ctor.
michael@0 12 #include "nsPresContext.h"
michael@0 13
michael@0 14 struct nsAutoLayoutPhase {
michael@0 15 nsAutoLayoutPhase(nsPresContext* aPresContext, nsLayoutPhase aPhase);
michael@0 16 ~nsAutoLayoutPhase();
michael@0 17
michael@0 18 void Enter();
michael@0 19 void Exit();
michael@0 20
michael@0 21 private:
michael@0 22 nsPresContext* mPresContext;
michael@0 23 nsLayoutPhase mPhase;
michael@0 24 uint32_t mCount;
michael@0 25 };
michael@0 26
michael@0 27 #define AUTO_LAYOUT_PHASE_ENTRY_POINT(pc_, phase_) \
michael@0 28 nsAutoLayoutPhase autoLayoutPhase((pc_), (eLayoutPhase_##phase_))
michael@0 29 #define LAYOUT_PHASE_TEMP_EXIT() \
michael@0 30 PR_BEGIN_MACRO \
michael@0 31 autoLayoutPhase.Exit(); \
michael@0 32 PR_END_MACRO
michael@0 33 #define LAYOUT_PHASE_TEMP_REENTER() \
michael@0 34 PR_BEGIN_MACRO \
michael@0 35 autoLayoutPhase.Enter(); \
michael@0 36 PR_END_MACRO
michael@0 37
michael@0 38 #else // DEBUG
michael@0 39
michael@0 40 #define AUTO_LAYOUT_PHASE_ENTRY_POINT(pc_, phase_) \
michael@0 41 PR_BEGIN_MACRO PR_END_MACRO
michael@0 42 #define LAYOUT_PHASE_TEMP_EXIT() \
michael@0 43 PR_BEGIN_MACRO PR_END_MACRO
michael@0 44 #define LAYOUT_PHASE_TEMP_REENTER() \
michael@0 45 PR_BEGIN_MACRO PR_END_MACRO
michael@0 46
michael@0 47 #endif // DEBUG
michael@0 48
michael@0 49 #endif // nsAutoLayoutPhase_h

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