mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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272 lines
6.9 KiB
C++
272 lines
6.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* style sheet and style rule processor representing style attributes
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*/
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#include "nsHTMLCSSStyleSheet.h"
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#include "nsCRT.h"
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#include "nsIAtom.h"
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#include "nsIURL.h"
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#include "nsCSSPseudoElements.h"
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#include "nsIStyleRule.h"
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#include "nsIFrame.h"
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#include "mozilla/css/StyleRule.h"
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#include "nsIStyleRuleProcessor.h"
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#include "nsPresContext.h"
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#include "nsIDocument.h"
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#include "nsCOMPtr.h"
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#include "nsRuleWalker.h"
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#include "nsRuleData.h"
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#include "nsRuleProcessorData.h"
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#include "mozilla/dom/Element.h"
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using namespace mozilla::dom;
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namespace css = mozilla::css;
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nsHTMLCSSStyleSheet::nsHTMLCSSStyleSheet()
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: mDocument(nsnull)
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{
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}
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NS_IMPL_ISUPPORTS2(nsHTMLCSSStyleSheet,
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nsIStyleSheet,
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nsIStyleRuleProcessor)
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/* virtual */ void
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nsHTMLCSSStyleSheet::RulesMatching(ElementRuleProcessorData* aData)
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{
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Element* element = aData->mElement;
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// just get the one and only style rule from the content's STYLE attribute
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css::StyleRule* rule = element->GetInlineStyleRule();
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if (rule) {
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rule->RuleMatched();
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aData->mRuleWalker->Forward(rule);
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}
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rule = element->GetSMILOverrideStyleRule();
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if (rule) {
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if (aData->mPresContext->IsProcessingRestyles() &&
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!aData->mPresContext->IsProcessingAnimationStyleChange()) {
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// Non-animation restyle -- don't process SMIL override style, because we
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// don't want SMIL animation to trigger new CSS transitions. Instead,
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// request an Animation restyle, so we still get noticed.
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aData->mPresContext->PresShell()->RestyleForAnimation(element,
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eRestyle_Self);
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} else {
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// Animation restyle (or non-restyle traversal of rules)
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// Now we can walk SMIL overrride style, without triggering transitions.
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rule->RuleMatched();
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aData->mRuleWalker->Forward(rule);
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}
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}
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::RulesMatching(PseudoElementRuleProcessorData* aData)
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{
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::RulesMatching(AnonBoxRuleProcessorData* aData)
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{
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}
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#ifdef MOZ_XUL
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/* virtual */ void
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nsHTMLCSSStyleSheet::RulesMatching(XULTreeRuleProcessorData* aData)
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{
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}
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#endif
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nsresult
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nsHTMLCSSStyleSheet::Init(nsIURI* aURL, nsIDocument* aDocument)
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{
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NS_PRECONDITION(aURL && aDocument, "null ptr");
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if (! aURL || ! aDocument)
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return NS_ERROR_NULL_POINTER;
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if (mURL || mDocument)
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return NS_ERROR_ALREADY_INITIALIZED;
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mDocument = aDocument; // not refcounted!
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mURL = aURL;
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return NS_OK;
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}
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// Test if style is dependent on content state
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/* virtual */ nsRestyleHint
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nsHTMLCSSStyleSheet::HasStateDependentStyle(StateRuleProcessorData* aData)
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{
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return nsRestyleHint(0);
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}
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/* virtual */ bool
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nsHTMLCSSStyleSheet::HasDocumentStateDependentStyle(StateRuleProcessorData* aData)
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{
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return false;
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}
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// Test if style is dependent on attribute
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/* virtual */ nsRestyleHint
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nsHTMLCSSStyleSheet::HasAttributeDependentStyle(AttributeRuleProcessorData* aData)
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{
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// Perhaps should check that it's XUL, SVG, (or HTML) namespace, but
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// it doesn't really matter.
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if (aData->mAttrHasChanged && aData->mAttribute == nsGkAtoms::style) {
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return eRestyle_Self;
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}
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return nsRestyleHint(0);
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}
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/* virtual */ bool
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nsHTMLCSSStyleSheet::MediumFeaturesChanged(nsPresContext* aPresContext)
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{
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return false;
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}
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/* virtual */ size_t
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nsHTMLCSSStyleSheet::SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const
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{
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return 0;
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}
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/* virtual */ size_t
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nsHTMLCSSStyleSheet::SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const
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{
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return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
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}
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void
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nsHTMLCSSStyleSheet::Reset(nsIURI* aURL)
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{
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mURL = aURL;
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}
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/* virtual */ nsIURI*
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nsHTMLCSSStyleSheet::GetSheetURI() const
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{
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return mURL;
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}
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/* virtual */ nsIURI*
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nsHTMLCSSStyleSheet::GetBaseURI() const
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{
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return mURL;
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::GetTitle(nsString& aTitle) const
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{
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aTitle.AssignLiteral("Internal HTML/CSS Style Sheet");
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::GetType(nsString& aType) const
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{
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aType.AssignLiteral("text/html");
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}
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/* virtual */ bool
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nsHTMLCSSStyleSheet::HasRules() const
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{
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// Say we always have rules, since we don't know.
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return true;
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}
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/* virtual */ bool
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nsHTMLCSSStyleSheet::IsApplicable() const
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{
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return true;
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::SetEnabled(bool aEnabled)
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{ // these can't be disabled
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}
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/* virtual */ bool
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nsHTMLCSSStyleSheet::IsComplete() const
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{
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return true;
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::SetComplete()
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{
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}
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// style sheet owner info
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/* virtual */ nsIStyleSheet*
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nsHTMLCSSStyleSheet::GetParentSheet() const
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{
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return nsnull;
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}
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/* virtual */ nsIDocument*
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nsHTMLCSSStyleSheet::GetOwningDocument() const
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{
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return mDocument;
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}
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/* virtual */ void
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nsHTMLCSSStyleSheet::SetOwningDocument(nsIDocument* aDocument)
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{
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mDocument = aDocument;
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}
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#ifdef DEBUG
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/* virtual */ void
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nsHTMLCSSStyleSheet::List(FILE* out, PRInt32 aIndent) const
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{
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// Indent
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for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
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fputs("HTML CSS Style Sheet: ", out);
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nsCAutoString urlSpec;
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mURL->GetSpec(urlSpec);
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if (!urlSpec.IsEmpty()) {
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fputs(urlSpec.get(), out);
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}
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fputs("\n", out);
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}
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#endif
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