зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
3.9 KiB
C++
112 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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/. */
|
|
|
|
/* constants for frame state bits and a type to store them in a uint64_t */
|
|
|
|
#include "nsFrameState.h"
|
|
|
|
#include "nsBlockFrame.h"
|
|
#include "nsBoxFrame.h"
|
|
#include "nsBulletFrame.h"
|
|
#include "nsFlexContainerFrame.h"
|
|
#include "nsGridContainerFrame.h"
|
|
#include "nsGfxScrollFrame.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsImageFrame.h"
|
|
#include "nsInlineFrame.h"
|
|
#include "nsPageFrame.h"
|
|
#include "nsPlaceholderFrame.h"
|
|
#include "nsRubyTextFrame.h"
|
|
#include "nsRubyTextContainerFrame.h"
|
|
#include "nsTableCellFrame.h"
|
|
#include "nsTableRowFrame.h"
|
|
#include "nsTableRowGroupFrame.h"
|
|
#include "nsTextFrame.h"
|
|
#include "mozilla/ISVGDisplayableFrame.h"
|
|
#include "mozilla/SVGContainerFrame.h"
|
|
|
|
namespace mozilla {
|
|
|
|
#ifdef DEBUG
|
|
nsCString GetFrameState(nsIFrame* aFrame) {
|
|
nsCString result;
|
|
AutoTArray<const char*, 3> groups;
|
|
|
|
nsFrameState state = aFrame->GetStateBits();
|
|
|
|
if (state == nsFrameState(0)) {
|
|
result.Assign('0');
|
|
return result;
|
|
}
|
|
|
|
# define FRAME_STATE_GROUP_CLASS(name_, class_) \
|
|
{ \
|
|
class_* frame = do_QueryFrame(aFrame); \
|
|
if (frame && \
|
|
(groups.IsEmpty() || strcmp(groups.LastElement(), #name_))) { \
|
|
groups.AppendElement(#name_); \
|
|
} \
|
|
}
|
|
# define FRAME_STATE_BIT(group_, value_, name_) \
|
|
if ((state & NS_FRAME_STATE_BIT(value_)) && groups.Contains(#group_)) { \
|
|
if (!result.IsEmpty()) { \
|
|
result.InsertLiteral(" | ", 0); \
|
|
} \
|
|
result.InsertLiteral(#name_, 0); \
|
|
state = state & ~NS_FRAME_STATE_BIT(value_); \
|
|
}
|
|
# include "nsFrameStateBits.h"
|
|
# undef FRAME_STATE_GROUP_CLASS
|
|
# undef FRAME_STATE_BIT
|
|
|
|
if (state) {
|
|
result.AppendPrintf(" | 0x%0" PRIx64, static_cast<uint64_t>(state));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void PrintFrameState(nsIFrame* aFrame) {
|
|
printf("%s\n", GetFrameState(aFrame).get());
|
|
}
|
|
|
|
enum class FrameStateGroupId {
|
|
# define FRAME_STATE_GROUP_NAME(name_) name_,
|
|
# include "nsFrameStateBits.h"
|
|
# undef FRAME_STATE_GROUP_NAME
|
|
|
|
LENGTH
|
|
};
|
|
|
|
void DebugVerifyFrameStateBits() {
|
|
// Build an array of all of the bits used by each group. While
|
|
// building this we assert that a bit isn't used multiple times within
|
|
// the same group.
|
|
nsFrameState bitsUsedPerGroup[size_t(FrameStateGroupId::LENGTH)] = {
|
|
nsFrameState(0)};
|
|
|
|
# define FRAME_STATE_BIT(group_, value_, name_) \
|
|
{ \
|
|
auto bit = NS_FRAME_STATE_BIT(value_); \
|
|
size_t group = size_t(FrameStateGroupId::group_); \
|
|
MOZ_ASSERT(!(bitsUsedPerGroup[group] & bit), #name_ \
|
|
" must not use a bit already declared within its group"); \
|
|
bitsUsedPerGroup[group] |= bit; \
|
|
}
|
|
|
|
# include "nsFrameStateBits.h"
|
|
# undef FRAME_STATE_BIT
|
|
|
|
// FIXME: Can we somehow check across the groups as well??? In other
|
|
// words, find the pairs of groups that could be used on the same
|
|
// frame (Generic paired with everything else, and a few other pairs),
|
|
// and check that we don't have bits in common between those pairs.
|
|
}
|
|
|
|
#endif
|
|
|
|
} // namespace mozilla
|