layout/base/nsQuoteList.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 // vim:cindent:ts=2:et:sw=2:
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 /* implementation of quotes for the CSS 'content' property */
michael@0 8
michael@0 9 #include "nsQuoteList.h"
michael@0 10 #include "nsReadableUtils.h"
michael@0 11 #include "nsIContent.h"
michael@0 12
michael@0 13 bool
michael@0 14 nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
michael@0 15 nsIFrame* aTextFrame)
michael@0 16 {
michael@0 17 nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
michael@0 18
michael@0 19 nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);
michael@0 20 bool dirty = false;
michael@0 21 quoteList->Insert(this);
michael@0 22 if (quoteList->IsLast(this))
michael@0 23 quoteList->Calc(this);
michael@0 24 else
michael@0 25 dirty = true;
michael@0 26
michael@0 27 // Don't set up text for 'no-open-quote' and 'no-close-quote'.
michael@0 28 if (IsRealQuote()) {
michael@0 29 aTextFrame->GetContent()->SetText(*Text(), false);
michael@0 30 }
michael@0 31 return dirty;
michael@0 32 }
michael@0 33
michael@0 34 const nsString*
michael@0 35 nsQuoteNode::Text()
michael@0 36 {
michael@0 37 NS_ASSERTION(mType == eStyleContentType_OpenQuote ||
michael@0 38 mType == eStyleContentType_CloseQuote,
michael@0 39 "should only be called when mText should be non-null");
michael@0 40 const nsStyleQuotes* styleQuotes = mPseudoFrame->StyleQuotes();
michael@0 41 int32_t quotesCount = styleQuotes->QuotesCount(); // 0 if 'quotes:none'
michael@0 42 int32_t quoteDepth = Depth();
michael@0 43
michael@0 44 // Reuse the last pair when the depth is greater than the number of
michael@0 45 // pairs of quotes. (Also make 'quotes: none' and close-quote from
michael@0 46 // a depth of 0 equivalent for the next test.)
michael@0 47 if (quoteDepth >= quotesCount)
michael@0 48 quoteDepth = quotesCount - 1;
michael@0 49
michael@0 50 const nsString *result;
michael@0 51 if (quoteDepth == -1) {
michael@0 52 // close-quote from a depth of 0 or 'quotes: none' (we want a node
michael@0 53 // with the empty string so dynamic changes are easier to handle)
michael@0 54 result = & EmptyString();
michael@0 55 } else {
michael@0 56 result = eStyleContentType_OpenQuote == mType
michael@0 57 ? styleQuotes->OpenQuoteAt(quoteDepth)
michael@0 58 : styleQuotes->CloseQuoteAt(quoteDepth);
michael@0 59 }
michael@0 60 return result;
michael@0 61 }
michael@0 62
michael@0 63 void
michael@0 64 nsQuoteList::Calc(nsQuoteNode* aNode)
michael@0 65 {
michael@0 66 if (aNode == FirstNode()) {
michael@0 67 aNode->mDepthBefore = 0;
michael@0 68 } else {
michael@0 69 aNode->mDepthBefore = Prev(aNode)->DepthAfter();
michael@0 70 }
michael@0 71 }
michael@0 72
michael@0 73 void
michael@0 74 nsQuoteList::RecalcAll()
michael@0 75 {
michael@0 76 nsQuoteNode *node = FirstNode();
michael@0 77 if (!node)
michael@0 78 return;
michael@0 79
michael@0 80 do {
michael@0 81 int32_t oldDepth = node->mDepthBefore;
michael@0 82 Calc(node);
michael@0 83
michael@0 84 if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())
michael@0 85 node->mText->SetData(*node->Text());
michael@0 86
michael@0 87 // Next node
michael@0 88 node = Next(node);
michael@0 89 } while (node != FirstNode());
michael@0 90 }
michael@0 91
michael@0 92 #ifdef DEBUG
michael@0 93 void
michael@0 94 nsQuoteList::PrintChain()
michael@0 95 {
michael@0 96 printf("Chain: \n");
michael@0 97 if (!FirstNode()) {
michael@0 98 return;
michael@0 99 }
michael@0 100 nsQuoteNode* node = FirstNode();
michael@0 101 do {
michael@0 102 printf(" %p %d - ", static_cast<void*>(node), node->mDepthBefore);
michael@0 103 switch(node->mType) {
michael@0 104 case (eStyleContentType_OpenQuote):
michael@0 105 printf("open");
michael@0 106 break;
michael@0 107 case (eStyleContentType_NoOpenQuote):
michael@0 108 printf("noOpen");
michael@0 109 break;
michael@0 110 case (eStyleContentType_CloseQuote):
michael@0 111 printf("close");
michael@0 112 break;
michael@0 113 case (eStyleContentType_NoCloseQuote):
michael@0 114 printf("noClose");
michael@0 115 break;
michael@0 116 default:
michael@0 117 printf("unknown!!!");
michael@0 118 }
michael@0 119 printf(" %d - %d,", node->Depth(), node->DepthAfter());
michael@0 120 if (node->mText) {
michael@0 121 nsAutoString data;
michael@0 122 node->mText->GetData(data);
michael@0 123 printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());
michael@0 124 }
michael@0 125 printf("\n");
michael@0 126 node = Next(node);
michael@0 127 } while (node != FirstNode());
michael@0 128 }
michael@0 129 #endif

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