michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: // vim:cindent:ts=2:et:sw=2:
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* implementation of quotes for the CSS 'content' property */
michael@0: 
michael@0: #include "nsQuoteList.h"
michael@0: #include "nsReadableUtils.h"
michael@0: #include "nsIContent.h"
michael@0: 
michael@0: bool
michael@0: nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
michael@0:                            nsIFrame* aTextFrame)
michael@0: {
michael@0:   nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
michael@0: 
michael@0:   nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);
michael@0:   bool dirty = false;
michael@0:   quoteList->Insert(this);
michael@0:   if (quoteList->IsLast(this))
michael@0:     quoteList->Calc(this);
michael@0:   else
michael@0:     dirty = true;
michael@0: 
michael@0:   // Don't set up text for 'no-open-quote' and 'no-close-quote'.
michael@0:   if (IsRealQuote()) {
michael@0:     aTextFrame->GetContent()->SetText(*Text(), false);
michael@0:   }
michael@0:   return dirty;
michael@0: }
michael@0: 
michael@0: const nsString*
michael@0: nsQuoteNode::Text()
michael@0: {
michael@0:   NS_ASSERTION(mType == eStyleContentType_OpenQuote ||
michael@0:                mType == eStyleContentType_CloseQuote,
michael@0:                "should only be called when mText should be non-null");
michael@0:   const nsStyleQuotes* styleQuotes = mPseudoFrame->StyleQuotes();
michael@0:   int32_t quotesCount = styleQuotes->QuotesCount(); // 0 if 'quotes:none'
michael@0:   int32_t quoteDepth = Depth();
michael@0: 
michael@0:   // Reuse the last pair when the depth is greater than the number of
michael@0:   // pairs of quotes.  (Also make 'quotes: none' and close-quote from
michael@0:   // a depth of 0 equivalent for the next test.)
michael@0:   if (quoteDepth >= quotesCount)
michael@0:     quoteDepth = quotesCount - 1;
michael@0: 
michael@0:   const nsString *result;
michael@0:   if (quoteDepth == -1) {
michael@0:     // close-quote from a depth of 0 or 'quotes: none' (we want a node
michael@0:     // with the empty string so dynamic changes are easier to handle)
michael@0:     result = & EmptyString();
michael@0:   } else {
michael@0:     result = eStyleContentType_OpenQuote == mType
michael@0:                ? styleQuotes->OpenQuoteAt(quoteDepth)
michael@0:                : styleQuotes->CloseQuoteAt(quoteDepth);
michael@0:   }
michael@0:   return result;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsQuoteList::Calc(nsQuoteNode* aNode)
michael@0: {
michael@0:   if (aNode == FirstNode()) {
michael@0:     aNode->mDepthBefore = 0;
michael@0:   } else {
michael@0:     aNode->mDepthBefore = Prev(aNode)->DepthAfter();
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: nsQuoteList::RecalcAll()
michael@0: {
michael@0:   nsQuoteNode *node = FirstNode();
michael@0:   if (!node)
michael@0:     return;
michael@0: 
michael@0:   do {
michael@0:     int32_t oldDepth = node->mDepthBefore;
michael@0:     Calc(node);
michael@0: 
michael@0:     if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())
michael@0:       node->mText->SetData(*node->Text());
michael@0: 
michael@0:     // Next node
michael@0:     node = Next(node);
michael@0:   } while (node != FirstNode());
michael@0: }
michael@0: 
michael@0: #ifdef DEBUG
michael@0: void
michael@0: nsQuoteList::PrintChain()
michael@0: {
michael@0:   printf("Chain: \n");
michael@0:   if (!FirstNode()) {
michael@0:     return;
michael@0:   }
michael@0:   nsQuoteNode* node = FirstNode();
michael@0:   do {
michael@0:     printf("  %p %d - ", static_cast<void*>(node), node->mDepthBefore);
michael@0:     switch(node->mType) {
michael@0:         case (eStyleContentType_OpenQuote):
michael@0:           printf("open");
michael@0:           break;
michael@0:         case (eStyleContentType_NoOpenQuote):
michael@0:           printf("noOpen");
michael@0:           break;
michael@0:         case (eStyleContentType_CloseQuote):
michael@0:           printf("close");
michael@0:           break;
michael@0:         case (eStyleContentType_NoCloseQuote):
michael@0:           printf("noClose");
michael@0:           break;
michael@0:         default:
michael@0:           printf("unknown!!!");
michael@0:     }
michael@0:     printf(" %d - %d,", node->Depth(), node->DepthAfter());
michael@0:     if (node->mText) {
michael@0:       nsAutoString data;
michael@0:       node->mText->GetData(data);
michael@0:       printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());
michael@0:     }
michael@0:     printf("\n");
michael@0:     node = Next(node);
michael@0:   } while (node != FirstNode());
michael@0: }
michael@0: #endif