layout/style/nsStyleStructFwd.h@97036ab72558 (annotated)
layout/style/nsStyleStructFwd.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * Forward declarations to avoid including all of nsStyleStruct.h. |
| michael@0 | 8 | */ |
| michael@0 | 9 | |
| michael@0 | 10 | #ifndef nsStyleStructFwd_h_ |
| michael@0 | 11 | #define nsStyleStructFwd_h_ |
| michael@0 | 12 | |
| michael@0 | 13 | enum nsStyleStructID { |
| michael@0 | 14 | |
| michael@0 | 15 | /* |
| michael@0 | 16 | * Define the constants eStyleStruct_Font, etc. |
| michael@0 | 17 | * |
| michael@0 | 18 | * The C++ standard, section 7.2, guarantees that enums begin with 0 and |
| michael@0 | 19 | * increase by 1. |
| michael@0 | 20 | * |
| michael@0 | 21 | * We separate the IDs of Reset and Inherited structs so that we can use |
| michael@0 | 22 | * the IDs as indices (offset by nsStyleStructID_*_Start) into arrays of |
| michael@0 | 23 | * one type or the other. |
| michael@0 | 24 | */ |
| michael@0 | 25 | |
| michael@0 | 26 | nsStyleStructID_Inherited_Start = 0, |
| michael@0 | 27 | // a dummy value so the value after it is the same as ..._Inherited_Start |
| michael@0 | 28 | nsStyleStructID_DUMMY1 = nsStyleStructID_Inherited_Start - 1, |
| michael@0 | 29 | |
| michael@0 | 30 | #define STYLE_STRUCT_INHERITED(name, checkdata_cb) \ |
| michael@0 | 31 | eStyleStruct_##name, |
| michael@0 | 32 | #define STYLE_STRUCT_RESET(name, checkdata_cb) |
| michael@0 | 33 | #include "nsStyleStructList.h" |
| michael@0 | 34 | #undef STYLE_STRUCT_INHERITED |
| michael@0 | 35 | #undef STYLE_STRUCT_RESET |
| michael@0 | 36 | |
| michael@0 | 37 | nsStyleStructID_Reset_Start, |
| michael@0 | 38 | // a dummy value so the value after it is the same as ..._Reset_Start |
| michael@0 | 39 | nsStyleStructID_DUMMY2 = nsStyleStructID_Reset_Start - 1, |
| michael@0 | 40 | |
| michael@0 | 41 | #define STYLE_STRUCT_RESET(name, checkdata_cb) \ |
| michael@0 | 42 | eStyleStruct_##name, |
| michael@0 | 43 | #define STYLE_STRUCT_INHERITED(name, checkdata_cb) |
| michael@0 | 44 | #include "nsStyleStructList.h" |
| michael@0 | 45 | #undef STYLE_STRUCT_INHERITED |
| michael@0 | 46 | #undef STYLE_STRUCT_RESET |
| michael@0 | 47 | |
| michael@0 | 48 | // one past the end; length of 0-based list |
| michael@0 | 49 | nsStyleStructID_Length, |
| michael@0 | 50 | |
| michael@0 | 51 | nsStyleStructID_Inherited_Count = |
| michael@0 | 52 | nsStyleStructID_Reset_Start - nsStyleStructID_Inherited_Start, |
| michael@0 | 53 | nsStyleStructID_Reset_Count = |
| michael@0 | 54 | nsStyleStructID_Length - nsStyleStructID_Reset_Start, |
| michael@0 | 55 | |
| michael@0 | 56 | // An ID used for properties that are not in style structs. This is |
| michael@0 | 57 | // used only in some users of nsStyleStructID, such as |
| michael@0 | 58 | // nsCSSProps::kSIDTable, including some that store SIDs in a bitfield, |
| michael@0 | 59 | // such as nsCSSCompressedDataBlock::mStyleBits. |
| michael@0 | 60 | eStyleStruct_BackendOnly = nsStyleStructID_Length |
| michael@0 | 61 | |
| michael@0 | 62 | }; |
| michael@0 | 63 | |
| michael@0 | 64 | // A bit corresponding to each struct ID |
| michael@0 | 65 | #define NS_STYLE_INHERIT_BIT(sid_) (1 << uint64_t(eStyleStruct_##sid_)) |
| michael@0 | 66 | |
| michael@0 | 67 | #endif /* nsStyleStructFwd_h_ */ |
