gecko-dev/layout/base/nsQuoteList.cpp

96 строки
2.8 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/. */
/* implementation of quotes for the CSS 'content' property */
#include "nsQuoteList.h"
#include "nsReadableUtils.h"
#include "nsIContent.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/Text.h"
using namespace mozilla;
bool nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
nsIFrame* aTextFrame) {
nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);
bool dirty = false;
quoteList->Insert(this);
if (quoteList->IsLast(this))
quoteList->Calc(this);
else
dirty = true;
// Don't set up text for 'no-open-quote' and 'no-close-quote'.
if (IsRealQuote()) {
aTextFrame->GetContent()->AsText()->SetText(Text(), false);
}
return dirty;
}
nsString nsQuoteNode::Text() {
NS_ASSERTION(mType == StyleContentType::OpenQuote ||
mType == StyleContentType::CloseQuote,
"should only be called when mText should be non-null");
nsString result;
Servo_Quotes_GetQuote(mPseudoFrame->StyleList()->mQuotes.get(), Depth(),
mType, &result);
return result;
}
void nsQuoteList::Calc(nsQuoteNode* aNode) {
if (aNode == FirstNode()) {
aNode->mDepthBefore = 0;
} else {
aNode->mDepthBefore = Prev(aNode)->DepthAfter();
}
}
void nsQuoteList::RecalcAll() {
for (nsQuoteNode* node = FirstNode(); node; node = Next(node)) {
int32_t oldDepth = node->mDepthBefore;
Calc(node);
if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())
node->mText->SetData(node->Text(), IgnoreErrors());
}
}
#ifdef DEBUG
void nsQuoteList::PrintChain() {
printf("Chain: \n");
for (nsQuoteNode* node = FirstNode(); node; node = Next(node)) {
printf(" %p %d - ", static_cast<void*>(node), node->mDepthBefore);
switch (node->mType) {
case StyleContentType::OpenQuote:
printf("open");
break;
case StyleContentType::NoOpenQuote:
printf("noOpen");
break;
case StyleContentType::CloseQuote:
printf("close");
break;
case StyleContentType::NoCloseQuote:
printf("noClose");
break;
default:
printf("unknown!!!");
}
printf(" %d - %d,", node->Depth(), node->DepthAfter());
if (node->mText) {
nsAutoString data;
node->mText->GetData(data);
printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());
}
printf("\n");
}
}
#endif