зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.2 KiB
C++
70 строки
2.2 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 https://mozilla.org/MPL/2.0/. */
|
||
|
|
|
||
|
|
#include "ColumnSetWrapperFrame.h"
|
||
|
|
|
||
|
|
using namespace mozilla;
|
||
|
|
|
||
|
|
nsBlockFrame*
|
||
|
|
NS_NewColumnSetWrapperFrame(nsIPresShell* aPresShell,
|
||
|
|
ComputedStyle* aStyle,
|
||
|
|
nsFrameState aStateFlags)
|
||
|
|
{
|
||
|
|
ColumnSetWrapperFrame* frame = new (aPresShell) ColumnSetWrapperFrame(aStyle);
|
||
|
|
|
||
|
|
// CSS Multi-column level 1 section 2: A multi-column container
|
||
|
|
// establishes a new block formatting context, as per CSS 2.1 section
|
||
|
|
// 9.4.1.
|
||
|
|
frame->AddStateBits(aStateFlags | NS_BLOCK_FORMATTING_CONTEXT_STATE_BITS);
|
||
|
|
return frame;
|
||
|
|
}
|
||
|
|
|
||
|
|
NS_IMPL_FRAMEARENA_HELPERS(ColumnSetWrapperFrame)
|
||
|
|
|
||
|
|
NS_QUERYFRAME_HEAD(ColumnSetWrapperFrame)
|
||
|
|
NS_QUERYFRAME_ENTRY(ColumnSetWrapperFrame)
|
||
|
|
NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
|
||
|
|
|
||
|
|
ColumnSetWrapperFrame::ColumnSetWrapperFrame(ComputedStyle* aStyle)
|
||
|
|
: nsBlockFrame(aStyle, kClassID)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef DEBUG_FRAME_DUMP
|
||
|
|
nsresult
|
||
|
|
ColumnSetWrapperFrame::GetFrameName(nsAString& aResult) const
|
||
|
|
{
|
||
|
|
return MakeFrameName(NS_LITERAL_STRING("ColumnSetWrapper"), aResult);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// Disallow any append, insert, or remove operations after building the
|
||
|
|
// column hierarchy since any change to the column hierarchy in the column
|
||
|
|
// sub-tree need to be re-created.
|
||
|
|
void
|
||
|
|
ColumnSetWrapperFrame::AppendFrames(ChildListID aListID,
|
||
|
|
nsFrameList& aFrameList)
|
||
|
|
{
|
||
|
|
MOZ_ASSERT_UNREACHABLE("Unsupported operation!");
|
||
|
|
nsBlockFrame::AppendFrames(aListID, aFrameList);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
ColumnSetWrapperFrame::InsertFrames(ChildListID aListID,
|
||
|
|
nsIFrame* aPrevFrame,
|
||
|
|
nsFrameList& aFrameList)
|
||
|
|
{
|
||
|
|
MOZ_ASSERT_UNREACHABLE("Unsupported operation!");
|
||
|
|
nsBlockFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
ColumnSetWrapperFrame::RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame)
|
||
|
|
{
|
||
|
|
MOZ_ASSERT_UNREACHABLE("Unsupported operation!");
|
||
|
|
nsBlockFrame::RemoveFrame(aListID, aOldFrame);
|
||
|
|
}
|