1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/generic/nsFrameState.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,75 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* constants for frame state bits and a type to store them in a uint64_t */
1.10 +
1.11 +#include "nsFrameState.h"
1.12 +
1.13 +#include "nsBlockFrame.h"
1.14 +#include "nsBoxFrame.h"
1.15 +#include "nsBulletFrame.h"
1.16 +#include "nsFlexContainerFrame.h"
1.17 +#include "nsGfxScrollFrame.h"
1.18 +#include "nsIFrame.h"
1.19 +#include "nsISVGChildFrame.h"
1.20 +#include "nsImageFrame.h"
1.21 +#include "nsInlineFrame.h"
1.22 +#include "nsPlaceholderFrame.h"
1.23 +#include "nsSVGContainerFrame.h"
1.24 +#include "nsTableCellFrame.h"
1.25 +#include "nsTableRowFrame.h"
1.26 +#include "nsTableRowGroupFrame.h"
1.27 +#include "nsTextFrame.h"
1.28 +
1.29 +namespace mozilla {
1.30 +
1.31 +#ifdef DEBUG
1.32 +nsCString
1.33 +GetFrameState(nsIFrame* aFrame)
1.34 +{
1.35 + nsCString result;
1.36 + nsAutoTArray<const char*,3> groups;
1.37 +
1.38 + nsFrameState state = aFrame->GetStateBits();
1.39 +
1.40 + if (state == nsFrameState(0)) {
1.41 + result.AssignLiteral("0");
1.42 + return result;
1.43 + }
1.44 +
1.45 +#define FRAME_STATE_GROUP(name_, class_) \
1.46 + { \
1.47 + class_* frame = do_QueryFrame(aFrame); \
1.48 + if (frame && (groups.IsEmpty() || strcmp(groups.LastElement(), #name_))) {\
1.49 + groups.AppendElement(#name_); \
1.50 + } \
1.51 + }
1.52 +#define FRAME_STATE_BIT(group_, value_, name_) \
1.53 + if ((state & NS_FRAME_STATE_BIT(value_)) && groups.Contains(#group_)) { \
1.54 + if (!result.IsEmpty()) { \
1.55 + result.Insert(" | ", 0); \
1.56 + } \
1.57 + result.Insert(#name_, 0); \
1.58 + state = state & ~NS_FRAME_STATE_BIT(value_); \
1.59 + }
1.60 +#include "nsFrameStateBits.h"
1.61 +#undef FRAME_STATE_GROUP
1.62 +#undef FRAME_STATE_BIT
1.63 +
1.64 + if (state) {
1.65 + result.AppendPrintf(" | 0x%0llx", state);
1.66 + }
1.67 +
1.68 + return result;
1.69 +}
1.70 +
1.71 +void
1.72 +PrintFrameState(nsIFrame* aFrame)
1.73 +{
1.74 + printf("%s\n", GetFrameState(aFrame).get());
1.75 +}
1.76 +#endif
1.77 +
1.78 +} // namespace mozilla
