The Tor Browser: layout/generic/nsFrameState.cpp@b8a032363ba2

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

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

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

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

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

     6 /* constants for frame state bits and a type to store them in a uint64_t */

     8 #include "nsFrameState.h"

    10 #include "nsBlockFrame.h"

    11 #include "nsBoxFrame.h"

    12 #include "nsBulletFrame.h"

    13 #include "nsFlexContainerFrame.h"

    14 #include "nsGfxScrollFrame.h"

    15 #include "nsIFrame.h"

    16 #include "nsISVGChildFrame.h"

    17 #include "nsImageFrame.h"

    18 #include "nsInlineFrame.h"

    19 #include "nsPlaceholderFrame.h"

    20 #include "nsSVGContainerFrame.h"

    21 #include "nsTableCellFrame.h"

    22 #include "nsTableRowFrame.h"

    23 #include "nsTableRowGroupFrame.h"

    24 #include "nsTextFrame.h"

    26 namespace mozilla {

    28 #ifdef DEBUG

    29 nsCString

    30 GetFrameState(nsIFrame* aFrame)

    31 {

    32   nsCString result;

    33   nsAutoTArray<const char*,3> groups;

    35   nsFrameState state = aFrame->GetStateBits();

    37   if (state == nsFrameState(0)) {

    38     result.AssignLiteral("0");

    39     return result;

    40   }

    42 #define FRAME_STATE_GROUP(name_, class_)                                      \

    43   {                                                                           \

    44     class_* frame = do_QueryFrame(aFrame);                                    \

    45     if (frame && (groups.IsEmpty() || strcmp(groups.LastElement(), #name_))) {\

    46       groups.AppendElement(#name_);                                           \

    47     }                                                                         \

    48   }

    49 #define FRAME_STATE_BIT(group_, value_, name_)                                \

    50   if ((state & NS_FRAME_STATE_BIT(value_)) && groups.Contains(#group_)) {     \

    51     if (!result.IsEmpty()) {                                                  \

    52       result.Insert(" | ", 0);                                                \

    53     }                                                                         \

    54     result.Insert(#name_, 0);                                                 \

    55     state = state & ~NS_FRAME_STATE_BIT(value_);                              \

    56   }

    57 #include "nsFrameStateBits.h"

    58 #undef FRAME_STATE_GROUP

    59 #undef FRAME_STATE_BIT

    61   if (state) {

    62     result.AppendPrintf(" | 0x%0llx", state);

    63   }

    65   return result;

    66 }

    68 void

    69 PrintFrameState(nsIFrame* aFrame)

    70 {

    71   printf("%s\n", GetFrameState(aFrame).get());

    72 }

    73 #endif

    75 } // namespace mozilla

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