53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* an object that stores the result of determining whether a style struct that
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* was computed can be cached in the rule tree, and if so, what the cache
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* key is
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*/
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#include "RuleNodeCacheConditions.h"
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#include "nsStyleContext.h"
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#include "WritingModes.h"
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using namespace mozilla;
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bool
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RuleNodeCacheConditions::Matches(nsStyleContext* aStyleContext) const
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{
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MOZ_ASSERT(Cacheable());
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if ((mBits & eHaveFontSize) &&
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mFontSize != aStyleContext->StyleFont()->mFont.size) {
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return false;
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}
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if ((mBits & eHaveWritingMode) &&
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(GetWritingMode() != WritingMode(aStyleContext).GetBits())) {
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return false;
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}
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return true;
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}
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#ifdef DEBUG
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void
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RuleNodeCacheConditions::List() const
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{
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printf("{ ");
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bool first = true;
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if (mBits & eHaveFontSize) {
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printf("FontSize(%d)", mFontSize);
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first = false;
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}
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if (mBits & eHaveWritingMode) {
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if (!first) {
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printf(", ");
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}
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printf("WritingMode(0x%x)", GetWritingMode());
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}
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printf(" }");
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}
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#endif
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