зеркало из https://github.com/mozilla/gecko-dev.git
2959 строки
87 KiB
C++
2959 строки
87 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "mozilla/ServoBindings.h"
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#include "ChildIterator.h"
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#include "ErrorReporter.h"
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#include "GeckoProfiler.h"
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#include "gfxFontFamilyList.h"
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#include "gfxFontFeatures.h"
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#include "nsAnimationManager.h"
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#include "nsAttrValueInlines.h"
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#include "nsCSSFrameConstructor.h"
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#include "nsCSSProps.h"
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#include "nsCSSPseudoElements.h"
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#include "nsContentUtils.h"
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#include "nsDOMTokenList.h"
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#include "nsDeviceContext.h"
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#include "nsIContentInlines.h"
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#include "nsICrashReporter.h"
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#include "nsIDocumentInlines.h"
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#include "nsILoadContext.h"
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#include "nsIFrame.h"
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#include "nsIMemoryReporter.h"
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#include "nsIMozBrowserFrame.h"
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#include "nsINode.h"
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#include "nsIPresShell.h"
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#include "nsIPresShellInlines.h"
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#include "nsIPrincipal.h"
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#include "nsIURI.h"
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#include "nsFontMetrics.h"
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#include "nsHTMLStyleSheet.h"
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#include "nsMappedAttributes.h"
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#include "nsMediaFeatures.h"
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#include "nsNameSpaceManager.h"
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#include "nsNetUtil.h"
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#include "nsProxyRelease.h"
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#include "nsString.h"
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#include "nsStyleStruct.h"
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#include "nsStyleUtil.h"
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#include "nsSVGElement.h"
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#include "nsTArray.h"
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#include "nsTransitionManager.h"
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#include "nsWindowSizes.h"
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#include "mozilla/CORSMode.h"
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#include "mozilla/DeclarationBlock.h"
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#include "mozilla/EffectCompositor.h"
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#include "mozilla/EffectSet.h"
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#include "mozilla/EventStates.h"
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#include "mozilla/FontPropertyTypes.h"
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#include "mozilla/Keyframe.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/ServoElementSnapshot.h"
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#include "mozilla/RestyleManager.h"
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#include "mozilla/SizeOfState.h"
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#include "mozilla/StyleAnimationValue.h"
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#include "mozilla/SystemGroup.h"
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#include "mozilla/ServoTraversalStatistics.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/RWLock.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/ElementInlines.h"
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#include "mozilla/dom/HTMLTableCellElement.h"
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#include "mozilla/dom/HTMLBodyElement.h"
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#include "mozilla/dom/HTMLSlotElement.h"
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#include "mozilla/dom/MediaList.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/URLExtraData.h"
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#include "mozilla/dom/CSSMozDocumentRule.h"
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#if defined(MOZ_MEMORY)
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# include "mozmemory.h"
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#endif
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using namespace mozilla;
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using namespace mozilla::css;
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using namespace mozilla::dom;
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#define SERVO_ARC_TYPE(name_, type_) \
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already_AddRefed<type_> \
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type_##Strong::Consume() { \
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RefPtr<type_> result; \
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result.swap(mPtr); \
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return result.forget(); \
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}
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#include "mozilla/ServoArcTypeList.h"
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SERVO_ARC_TYPE(ComputedStyle, ComputedStyle)
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#undef SERVO_ARC_TYPE
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// Definitions of the global traversal stats.
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bool ServoTraversalStatistics::sActive = false;
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ServoTraversalStatistics ServoTraversalStatistics::sSingleton;
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static RWLock* sServoFFILock = nullptr;
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static
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const nsFont*
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ThreadSafeGetDefaultFontHelper(const nsPresContext* aPresContext,
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nsAtom* aLanguage, uint8_t aGenericId)
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{
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bool needsCache = false;
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const nsFont* retval;
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{
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AutoReadLock guard(*sServoFFILock);
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retval = aPresContext->GetDefaultFont(aGenericId, aLanguage, &needsCache);
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}
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if (!needsCache) {
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return retval;
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}
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{
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AutoWriteLock guard(*sServoFFILock);
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retval = aPresContext->GetDefaultFont(aGenericId, aLanguage, nullptr);
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}
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return retval;
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}
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void
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AssertIsMainThreadOrServoLangFontPrefsCacheLocked()
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{
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MOZ_ASSERT(NS_IsMainThread() || sServoFFILock->LockedForWritingByCurrentThread());
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}
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/*
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* Does this child count as significant for selector matching?
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*
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* See nsStyleUtil::IsSignificantChild for details.
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*/
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bool
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Gecko_IsSignificantChild(RawGeckoNodeBorrowed aNode,
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bool aWhitespaceIsSignificant)
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{
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return nsStyleUtil::ThreadSafeIsSignificantChild(aNode->AsContent(),
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aWhitespaceIsSignificant);
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}
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RawGeckoNodeBorrowedOrNull
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Gecko_GetLastChild(RawGeckoNodeBorrowed aNode)
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{
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return aNode->GetLastChild();
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}
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RawGeckoNodeBorrowedOrNull
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Gecko_GetPreviousSibling(RawGeckoNodeBorrowed aNode)
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{
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return aNode->GetPreviousSibling();
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}
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RawGeckoNodeBorrowedOrNull
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Gecko_GetFlattenedTreeParentNode(RawGeckoNodeBorrowed aNode)
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{
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return aNode->GetFlattenedTreeParentNodeForStyle();
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}
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RawGeckoElementBorrowedOrNull
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Gecko_GetBeforeOrAfterPseudo(RawGeckoElementBorrowed aElement, bool aIsBefore)
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{
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MOZ_ASSERT(aElement);
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MOZ_ASSERT(aElement->HasProperties());
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return aIsBefore
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? nsLayoutUtils::GetBeforePseudo(aElement)
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: nsLayoutUtils::GetAfterPseudo(aElement);
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}
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nsTArray<nsIContent*>*
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Gecko_GetAnonymousContentForElement(RawGeckoElementBorrowed aElement)
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{
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nsIAnonymousContentCreator* ac = do_QueryFrame(aElement->GetPrimaryFrame());
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if (!ac) {
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return nullptr;
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}
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auto* array = new nsTArray<nsIContent*>();
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nsContentUtils::AppendNativeAnonymousChildren(aElement, *array, 0);
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return array;
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}
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void
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Gecko_DestroyAnonymousContentList(nsTArray<nsIContent*>* aAnonContent)
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{
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MOZ_ASSERT(aAnonContent);
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delete aAnonContent;
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}
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const nsTArray<RefPtr<nsINode>>*
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Gecko_GetAssignedNodes(RawGeckoElementBorrowed aElement)
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{
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MOZ_ASSERT(HTMLSlotElement::FromNode(aElement));
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return &static_cast<const HTMLSlotElement*>(aElement)->AssignedNodes();
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}
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void
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Gecko_ComputedStyle_Init(mozilla::ComputedStyle* aStyle,
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RawGeckoPresContextBorrowed aPresContext,
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const ServoComputedData* aValues,
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mozilla::CSSPseudoElementType aPseudoType,
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nsAtom* aPseudoTag)
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{
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auto* presContext = const_cast<nsPresContext*>(aPresContext);
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new (KnownNotNull, aStyle) mozilla::ComputedStyle(
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presContext, aPseudoTag, aPseudoType,
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ServoComputedDataForgotten(aValues));
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}
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ServoComputedData::ServoComputedData(
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const ServoComputedDataForgotten aValue)
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{
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PodAssign(this, aValue.mPtr);
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}
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MOZ_DEFINE_MALLOC_ENCLOSING_SIZE_OF(ServoStyleStructsMallocEnclosingSizeOf)
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void
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ServoComputedData::AddSizeOfExcludingThis(nsWindowSizes& aSizes) const
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{
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// Note: GetStyleFoo() returns a pointer to an nsStyleFoo that sits within a
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// servo_arc::Arc, i.e. it is preceded by a word-sized refcount. So we need
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// to measure it with a function that can handle an interior pointer. We use
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// ServoStyleStructsEnclosingMallocSizeOf to clearly identify in DMD's
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// output the memory measured here.
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#define STYLE_STRUCT(name_) \
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static_assert(alignof(nsStyle##name_) <= sizeof(size_t), \
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"alignment will break AddSizeOfExcludingThis()"); \
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const void* p##name_ = GetStyle##name_(); \
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if (!aSizes.mState.HaveSeenPtr(p##name_)) { \
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aSizes.mStyleSizes.NS_STYLE_SIZES_FIELD(name_) += \
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ServoStyleStructsMallocEnclosingSizeOf(p##name_); \
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}
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#include "nsStyleStructList.h"
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#undef STYLE_STRUCT
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if (visited_style.mPtr && !aSizes.mState.HaveSeenPtr(visited_style.mPtr)) {
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visited_style.mPtr->AddSizeOfIncludingThis(
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aSizes, &aSizes.mLayoutComputedValuesVisited);
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}
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// Measurement of the following members may be added later if DMD finds it is
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// worthwhile:
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// - custom_properties
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// - writing_mode
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// - rules
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// - font_computation_data
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}
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void
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Gecko_ComputedStyle_Destroy(mozilla::ComputedStyle* aStyle)
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{
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aStyle->~ComputedStyle();
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}
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void
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Gecko_ConstructStyleChildrenIterator(
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RawGeckoElementBorrowed aElement,
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RawGeckoStyleChildrenIteratorBorrowedMut aIterator)
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{
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MOZ_ASSERT(aElement);
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MOZ_ASSERT(aIterator);
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new (aIterator) StyleChildrenIterator(aElement);
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}
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void
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Gecko_DestroyStyleChildrenIterator(
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RawGeckoStyleChildrenIteratorBorrowedMut aIterator)
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{
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MOZ_ASSERT(aIterator);
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aIterator->~StyleChildrenIterator();
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}
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RawGeckoNodeBorrowed
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Gecko_GetNextStyleChild(RawGeckoStyleChildrenIteratorBorrowedMut aIterator)
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{
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MOZ_ASSERT(aIterator);
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return aIterator->GetNextChild();
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}
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bool
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Gecko_IsPrivateBrowsingEnabled(const nsIDocument* aDoc)
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{
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MOZ_ASSERT(aDoc);
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MOZ_ASSERT(NS_IsMainThread());
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nsILoadContext* loadContext = aDoc->GetLoadContext();
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return loadContext && loadContext->UsePrivateBrowsing();
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}
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EventStates::ServoType
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Gecko_ElementState(RawGeckoElementBorrowed aElement)
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{
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return aElement->StyleState().ServoValue();
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}
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bool
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Gecko_IsRootElement(RawGeckoElementBorrowed aElement)
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{
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return aElement->OwnerDoc()->GetRootElement() == aElement;
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}
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// Dirtiness tracking.
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void
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Gecko_SetNodeFlags(RawGeckoNodeBorrowed aNode, uint32_t aFlags)
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{
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const_cast<nsINode*>(aNode)->SetFlags(aFlags);
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}
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void
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Gecko_UnsetNodeFlags(RawGeckoNodeBorrowed aNode, uint32_t aFlags)
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{
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const_cast<nsINode*>(aNode)->UnsetFlags(aFlags);
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}
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void
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Gecko_NoteDirtyElement(RawGeckoElementBorrowed aElement)
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{
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MOZ_ASSERT(NS_IsMainThread());
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const_cast<Element*>(aElement)->NoteDirtyForServo();
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}
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void
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Gecko_NoteDirtySubtreeForInvalidation(RawGeckoElementBorrowed aElement)
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{
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MOZ_ASSERT(NS_IsMainThread());
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const_cast<Element*>(aElement)->NoteDirtySubtreeForServo();
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}
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void
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Gecko_NoteAnimationOnlyDirtyElement(RawGeckoElementBorrowed aElement)
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{
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MOZ_ASSERT(NS_IsMainThread());
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const_cast<Element*>(aElement)->NoteAnimationOnlyDirtyForServo();
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}
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bool Gecko_AnimationNameMayBeReferencedFromStyle(
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RawGeckoPresContextBorrowed aPresContext,
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nsAtom* aName)
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{
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MOZ_ASSERT(aPresContext);
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return aPresContext->AnimationManager()->AnimationMayBeReferenced(aName);
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}
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CSSPseudoElementType
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Gecko_GetImplementedPseudo(RawGeckoElementBorrowed aElement)
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{
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return aElement->GetPseudoElementType();
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}
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uint32_t
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Gecko_CalcStyleDifference(ComputedStyleBorrowed aOldStyle,
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ComputedStyleBorrowed aNewStyle,
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bool* aAnyStyleStructChanged,
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bool* aOnlyResetStructsChanged)
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{
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MOZ_ASSERT(aOldStyle);
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MOZ_ASSERT(aNewStyle);
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uint32_t equalStructs;
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nsChangeHint result = const_cast<ComputedStyle*>(aOldStyle)->
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CalcStyleDifference(const_cast<ComputedStyle*>(aNewStyle), &equalStructs);
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*aAnyStyleStructChanged =
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equalStructs != StyleStructConstants::kAllStructsMask;
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const auto kInheritedStructsMask = StyleStructConstants::kInheritedStructsMask;
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*aOnlyResetStructsChanged =
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(equalStructs & kInheritedStructsMask) == kInheritedStructsMask;
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return result;
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}
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const ServoElementSnapshot*
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Gecko_GetElementSnapshot(const ServoElementSnapshotTable* aTable,
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const Element* aElement)
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{
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MOZ_ASSERT(aTable);
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MOZ_ASSERT(aElement);
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return aTable->Get(const_cast<Element*>(aElement));
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}
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bool
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Gecko_HaveSeenPtr(SeenPtrs* aTable, const void* aPtr)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aTable);
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// Empty Rust allocations are indicated by small values up to the alignment
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// of the relevant type. We shouldn't see anything like that here.
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MOZ_ASSERT(uintptr_t(aPtr) > 16);
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return aTable->HaveSeenPtr(aPtr);
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}
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RawServoDeclarationBlockStrongBorrowedOrNull
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Gecko_GetStyleAttrDeclarationBlock(RawGeckoElementBorrowed aElement)
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{
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DeclarationBlock* decl = aElement->GetInlineStyleDeclaration();
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if (!decl) {
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return nullptr;
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}
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return decl->RefRawStrong();
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}
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void
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Gecko_UnsetDirtyStyleAttr(RawGeckoElementBorrowed aElement)
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{
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DeclarationBlock* decl = aElement->GetInlineStyleDeclaration();
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if (!decl) {
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return;
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}
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decl->UnsetDirty();
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}
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static const RawServoDeclarationBlockStrong*
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AsRefRawStrong(const RefPtr<RawServoDeclarationBlock>& aDecl)
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{
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static_assert(sizeof(RefPtr<RawServoDeclarationBlock>) ==
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sizeof(RawServoDeclarationBlockStrong),
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"RefPtr should just be a pointer");
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return reinterpret_cast<const RawServoDeclarationBlockStrong*>(&aDecl);
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}
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RawServoDeclarationBlockStrongBorrowedOrNull
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Gecko_GetHTMLPresentationAttrDeclarationBlock(RawGeckoElementBorrowed aElement)
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{
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const nsMappedAttributes* attrs = aElement->GetMappedAttributes();
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if (!attrs) {
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auto* svg = nsSVGElement::FromNodeOrNull(aElement);
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if (svg) {
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if (auto decl = svg->GetContentDeclarationBlock()) {
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return decl->RefRawStrong();
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}
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}
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return nullptr;
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}
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return AsRefRawStrong(attrs->GetServoStyle());
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}
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RawServoDeclarationBlockStrongBorrowedOrNull
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Gecko_GetExtraContentStyleDeclarations(RawGeckoElementBorrowed aElement)
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{
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if (!aElement->IsAnyOfHTMLElements(nsGkAtoms::td, nsGkAtoms::th)) {
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return nullptr;
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}
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const HTMLTableCellElement* cell = static_cast<const HTMLTableCellElement*>(aElement);
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if (nsMappedAttributes* attrs = cell->GetMappedAttributesInheritedFromTable()) {
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return AsRefRawStrong(attrs->GetServoStyle());
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}
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return nullptr;
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}
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RawServoDeclarationBlockStrongBorrowedOrNull
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Gecko_GetUnvisitedLinkAttrDeclarationBlock(RawGeckoElementBorrowed aElement)
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{
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nsHTMLStyleSheet* sheet = aElement->OwnerDoc()->GetAttributeStyleSheet();
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if (!sheet) {
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return nullptr;
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}
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return AsRefRawStrong(sheet->GetServoUnvisitedLinkDecl());
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}
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StyleSheet* Gecko_StyleSheet_Clone(
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const StyleSheet* aSheet,
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const StyleSheet* aNewParentSheet)
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{
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MOZ_ASSERT(aSheet);
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MOZ_ASSERT(aSheet->GetParentSheet(), "Should only be used for @import");
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MOZ_ASSERT(aNewParentSheet, "Wat");
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RefPtr<StyleSheet> newSheet =
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aSheet->Clone(nullptr, nullptr, nullptr, nullptr);
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// NOTE(emilio): This code runs in the StylesheetInner constructor, which
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// means that the inner pointer of `aNewParentSheet` still points to the old
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// one.
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//
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// So we _don't_ update neither the parent pointer of the stylesheet, nor the
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// child list (yet). This is fixed up in that same constructor.
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return static_cast<StyleSheet*>(newSheet.forget().take());
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}
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void
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Gecko_StyleSheet_AddRef(const StyleSheet* aSheet)
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{
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MOZ_ASSERT(NS_IsMainThread());
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const_cast<StyleSheet*>(aSheet)->AddRef();
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}
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void
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Gecko_StyleSheet_Release(const StyleSheet* aSheet)
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{
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MOZ_ASSERT(NS_IsMainThread());
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const_cast<StyleSheet*>(aSheet)->Release();
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}
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RawServoDeclarationBlockStrongBorrowedOrNull
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Gecko_GetVisitedLinkAttrDeclarationBlock(RawGeckoElementBorrowed aElement)
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{
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nsHTMLStyleSheet* sheet = aElement->OwnerDoc()->GetAttributeStyleSheet();
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if (!sheet) {
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return nullptr;
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}
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return AsRefRawStrong(sheet->GetServoVisitedLinkDecl());
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}
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RawServoDeclarationBlockStrongBorrowedOrNull
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Gecko_GetActiveLinkAttrDeclarationBlock(RawGeckoElementBorrowed aElement)
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{
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nsHTMLStyleSheet* sheet = aElement->OwnerDoc()->GetAttributeStyleSheet();
|
|
if (!sheet) {
|
|
return nullptr;
|
|
}
|
|
|
|
return AsRefRawStrong(sheet->GetServoActiveLinkDecl());
|
|
}
|
|
|
|
static CSSPseudoElementType
|
|
GetPseudoTypeFromElementForAnimation(const Element*& aElementOrPseudo) {
|
|
if (aElementOrPseudo->IsGeneratedContentContainerForBefore()) {
|
|
aElementOrPseudo = aElementOrPseudo->GetParent()->AsElement();
|
|
return CSSPseudoElementType::before;
|
|
}
|
|
|
|
if (aElementOrPseudo->IsGeneratedContentContainerForAfter()) {
|
|
aElementOrPseudo = aElementOrPseudo->GetParent()->AsElement();
|
|
return CSSPseudoElementType::after;
|
|
}
|
|
|
|
return CSSPseudoElementType::NotPseudo;
|
|
}
|
|
|
|
bool
|
|
Gecko_GetAnimationRule(RawGeckoElementBorrowed aElement,
|
|
EffectCompositor::CascadeLevel aCascadeLevel,
|
|
RawServoAnimationValueMapBorrowedMut aAnimationValues)
|
|
{
|
|
MOZ_ASSERT(aElement);
|
|
|
|
nsIDocument* doc = aElement->GetComposedDoc();
|
|
if (!doc) {
|
|
return false;
|
|
}
|
|
nsPresContext* presContext = doc->GetPresContext();
|
|
if (!presContext || !presContext->IsDynamic()) {
|
|
// For print or print preview, ignore animations.
|
|
return false;
|
|
}
|
|
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
|
|
return presContext->EffectCompositor()
|
|
->GetServoAnimationRule(aElement,
|
|
pseudoType,
|
|
aCascadeLevel,
|
|
aAnimationValues);
|
|
}
|
|
|
|
bool
|
|
Gecko_StyleAnimationsEquals(RawGeckoStyleAnimationListBorrowed aA,
|
|
RawGeckoStyleAnimationListBorrowed aB)
|
|
{
|
|
return *aA == *aB;
|
|
}
|
|
|
|
void
|
|
Gecko_CopyAnimationNames(RawGeckoStyleAnimationListBorrowedMut aDest,
|
|
RawGeckoStyleAnimationListBorrowed aSrc)
|
|
{
|
|
size_t srcLength = aSrc->Length();
|
|
aDest->EnsureLengthAtLeast(srcLength);
|
|
|
|
for (size_t index = 0; index < srcLength; index++) {
|
|
(*aDest)[index].SetName((*aSrc)[index].GetName());
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_SetAnimationName(StyleAnimation* aStyleAnimation,
|
|
nsAtom* aAtom)
|
|
{
|
|
MOZ_ASSERT(aStyleAnimation);
|
|
|
|
aStyleAnimation->SetName(already_AddRefed<nsAtom>(aAtom));
|
|
}
|
|
|
|
void
|
|
Gecko_UpdateAnimations(RawGeckoElementBorrowed aElement,
|
|
ComputedStyleBorrowedOrNull aOldComputedData,
|
|
ComputedStyleBorrowedOrNull aComputedData,
|
|
UpdateAnimationsTasks aTasks)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aElement);
|
|
|
|
if (!aElement->IsInComposedDoc()) {
|
|
return;
|
|
}
|
|
|
|
nsPresContext* presContext = nsContentUtils::GetContextForContent(aElement);
|
|
if (!presContext || !presContext->IsDynamic()) {
|
|
return;
|
|
}
|
|
|
|
nsAutoAnimationMutationBatch mb(aElement->OwnerDoc());
|
|
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
|
|
if (aTasks & UpdateAnimationsTasks::CSSAnimations) {
|
|
presContext->AnimationManager()->
|
|
UpdateAnimations(const_cast<dom::Element*>(aElement), pseudoType,
|
|
aComputedData);
|
|
}
|
|
|
|
// aComputedData might be nullptr if the target element is now in a
|
|
// display:none subtree. We still call Gecko_UpdateAnimations in this case
|
|
// because we need to stop CSS animations in the display:none subtree.
|
|
// However, we don't need to update transitions since they are stopped by
|
|
// RestyleManager::AnimationsWithDestroyedFrame so we just return early
|
|
// here.
|
|
if (!aComputedData) {
|
|
return;
|
|
}
|
|
|
|
if (aTasks & UpdateAnimationsTasks::CSSTransitions) {
|
|
MOZ_ASSERT(aOldComputedData);
|
|
presContext->TransitionManager()->
|
|
UpdateTransitions(const_cast<dom::Element*>(aElement), pseudoType,
|
|
*aOldComputedData,
|
|
*aComputedData);
|
|
}
|
|
|
|
if (aTasks & UpdateAnimationsTasks::EffectProperties) {
|
|
presContext->EffectCompositor()->UpdateEffectProperties(
|
|
aComputedData, const_cast<dom::Element*>(aElement), pseudoType);
|
|
}
|
|
|
|
if (aTasks & UpdateAnimationsTasks::CascadeResults) {
|
|
EffectSet* effectSet = EffectSet::GetEffectSet(aElement, pseudoType);
|
|
// CSS animations/transitions might have been destroyed as part of the above
|
|
// steps so before updating cascade results, we check if there are still any
|
|
// animations to update.
|
|
if (effectSet) {
|
|
// We call UpdateCascadeResults directly (intead of
|
|
// MaybeUpdateCascadeResults) since we know for sure that the cascade has
|
|
// changed, but we were unable to call MarkCascadeUpdated when we noticed
|
|
// it since we avoid mutating state as part of the Servo parallel
|
|
// traversal.
|
|
presContext->EffectCompositor()
|
|
->UpdateCascadeResults(*effectSet,
|
|
const_cast<Element*>(aElement),
|
|
pseudoType);
|
|
}
|
|
}
|
|
|
|
if (aTasks & UpdateAnimationsTasks::DisplayChangedFromNone) {
|
|
presContext->EffectCompositor()
|
|
->RequestRestyle(const_cast<Element*>(aElement),
|
|
pseudoType,
|
|
EffectCompositor::RestyleType::Standard,
|
|
EffectCompositor::CascadeLevel::Animations);
|
|
}
|
|
}
|
|
|
|
size_t
|
|
Gecko_GetAnimationEffectCount(RawGeckoElementBorrowed aElementOrPseudo)
|
|
{
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElementOrPseudo);
|
|
|
|
EffectSet* effectSet = EffectSet::GetEffectSet(aElementOrPseudo, pseudoType);
|
|
return effectSet ? effectSet->Count() : 0;
|
|
}
|
|
|
|
bool
|
|
Gecko_ElementHasAnimations(RawGeckoElementBorrowed aElement)
|
|
{
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
|
|
return !!EffectSet::GetEffectSet(aElement, pseudoType);
|
|
}
|
|
|
|
bool
|
|
Gecko_ElementHasCSSAnimations(RawGeckoElementBorrowed aElement)
|
|
{
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
nsAnimationManager::CSSAnimationCollection* collection =
|
|
nsAnimationManager::CSSAnimationCollection
|
|
::GetAnimationCollection(aElement, pseudoType);
|
|
|
|
return collection && !collection->mAnimations.IsEmpty();
|
|
}
|
|
|
|
bool
|
|
Gecko_ElementHasCSSTransitions(RawGeckoElementBorrowed aElement)
|
|
{
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
nsTransitionManager::CSSTransitionCollection* collection =
|
|
nsTransitionManager::CSSTransitionCollection
|
|
::GetAnimationCollection(aElement, pseudoType);
|
|
|
|
return collection && !collection->mAnimations.IsEmpty();
|
|
}
|
|
|
|
size_t
|
|
Gecko_ElementTransitions_Length(RawGeckoElementBorrowed aElement)
|
|
{
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
nsTransitionManager::CSSTransitionCollection* collection =
|
|
nsTransitionManager::CSSTransitionCollection
|
|
::GetAnimationCollection(aElement, pseudoType);
|
|
|
|
return collection ? collection->mAnimations.Length() : 0;
|
|
}
|
|
|
|
static CSSTransition*
|
|
GetCurrentTransitionAt(RawGeckoElementBorrowed aElement, size_t aIndex)
|
|
{
|
|
CSSPseudoElementType pseudoType =
|
|
GetPseudoTypeFromElementForAnimation(aElement);
|
|
nsTransitionManager::CSSTransitionCollection* collection =
|
|
nsTransitionManager::CSSTransitionCollection
|
|
::GetAnimationCollection(aElement, pseudoType);
|
|
if (!collection) {
|
|
return nullptr;
|
|
}
|
|
nsTArray<RefPtr<CSSTransition>>& transitions = collection->mAnimations;
|
|
return aIndex < transitions.Length()
|
|
? transitions[aIndex].get()
|
|
: nullptr;
|
|
}
|
|
|
|
nsCSSPropertyID
|
|
Gecko_ElementTransitions_PropertyAt(RawGeckoElementBorrowed aElement,
|
|
size_t aIndex)
|
|
{
|
|
CSSTransition* transition = GetCurrentTransitionAt(aElement, aIndex);
|
|
return transition ? transition->TransitionProperty()
|
|
: nsCSSPropertyID::eCSSProperty_UNKNOWN;
|
|
}
|
|
|
|
RawServoAnimationValueBorrowedOrNull
|
|
Gecko_ElementTransitions_EndValueAt(RawGeckoElementBorrowed aElement,
|
|
size_t aIndex)
|
|
{
|
|
CSSTransition* transition = GetCurrentTransitionAt(aElement,
|
|
aIndex);
|
|
return transition ? transition->ToValue().mServo.get() : nullptr;
|
|
}
|
|
|
|
double
|
|
Gecko_GetProgressFromComputedTiming(RawGeckoComputedTimingBorrowed aComputedTiming)
|
|
{
|
|
return aComputedTiming->mProgress.Value();
|
|
}
|
|
|
|
double
|
|
Gecko_GetPositionInSegment(RawGeckoAnimationPropertySegmentBorrowed aSegment,
|
|
double aProgress,
|
|
ComputedTimingFunction::BeforeFlag aBeforeFlag)
|
|
{
|
|
MOZ_ASSERT(aSegment->mFromKey < aSegment->mToKey,
|
|
"The segment from key should be less than to key");
|
|
|
|
double positionInSegment = (aProgress - aSegment->mFromKey) /
|
|
// To avoid floating precision inaccuracies, make
|
|
// sure we calculate both the numerator and
|
|
// denominator using double precision.
|
|
(double(aSegment->mToKey) - aSegment->mFromKey);
|
|
|
|
return ComputedTimingFunction::GetPortion(aSegment->mTimingFunction,
|
|
positionInSegment,
|
|
aBeforeFlag);
|
|
}
|
|
|
|
RawServoAnimationValueBorrowedOrNull
|
|
Gecko_AnimationGetBaseStyle(void* aBaseStyles, nsCSSPropertyID aProperty)
|
|
{
|
|
auto base =
|
|
static_cast<nsRefPtrHashtable<nsUint32HashKey, RawServoAnimationValue>*>
|
|
(aBaseStyles);
|
|
return base->GetWeak(aProperty);
|
|
}
|
|
|
|
void
|
|
Gecko_FillAllImageLayers(nsStyleImageLayers* aLayers, uint32_t aMaxLen)
|
|
{
|
|
aLayers->FillAllLayers(aMaxLen);
|
|
}
|
|
|
|
bool
|
|
Gecko_IsDocumentBody(RawGeckoElementBorrowed aElement)
|
|
{
|
|
nsIDocument* doc = aElement->GetUncomposedDoc();
|
|
return doc && doc->GetBodyElement() == aElement;
|
|
}
|
|
|
|
nscolor
|
|
Gecko_GetLookAndFeelSystemColor(int32_t aId,
|
|
RawGeckoPresContextBorrowed aPresContext)
|
|
{
|
|
bool useStandinsForNativeColors = aPresContext && !aPresContext->IsChrome();
|
|
nscolor result;
|
|
LookAndFeel::ColorID colorId = static_cast<LookAndFeel::ColorID>(aId);
|
|
AutoWriteLock guard(*sServoFFILock);
|
|
LookAndFeel::GetColor(colorId, useStandinsForNativeColors, &result);
|
|
return result;
|
|
}
|
|
|
|
bool
|
|
Gecko_MatchLang(RawGeckoElementBorrowed aElement,
|
|
nsAtom* aOverrideLang,
|
|
bool aHasOverrideLang,
|
|
const char16_t* aValue)
|
|
{
|
|
MOZ_ASSERT(!(aOverrideLang && !aHasOverrideLang),
|
|
"aHasOverrideLang should only be set when aOverrideLang is null");
|
|
MOZ_ASSERT(aValue, "null lang parameter");
|
|
if (!aValue || !*aValue) {
|
|
return false;
|
|
}
|
|
|
|
// We have to determine the language of the current element. Since
|
|
// this is currently no property and since the language is inherited
|
|
// from the parent we have to be prepared to look at all parent
|
|
// nodes. The language itself is encoded in the LANG attribute.
|
|
if (auto* language = aHasOverrideLang ? aOverrideLang : aElement->GetLang()) {
|
|
return nsStyleUtil::DashMatchCompare(nsDependentAtomString(language),
|
|
nsDependentString(aValue),
|
|
nsASCIICaseInsensitiveStringComparator());
|
|
}
|
|
|
|
// Try to get the language from the HTTP header or if this
|
|
// is missing as well from the preferences.
|
|
// The content language can be a comma-separated list of
|
|
// language codes.
|
|
nsAutoString language;
|
|
aElement->OwnerDoc()->GetContentLanguage(language);
|
|
|
|
nsDependentString langString(aValue);
|
|
language.StripWhitespace();
|
|
for (auto const& lang : language.Split(char16_t(','))) {
|
|
if (nsStyleUtil::DashMatchCompare(lang,
|
|
langString,
|
|
nsASCIICaseInsensitiveStringComparator())) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsAtom*
|
|
Gecko_GetXMLLangValue(RawGeckoElementBorrowed aElement)
|
|
{
|
|
const nsAttrValue* attr =
|
|
aElement->GetParsedAttr(nsGkAtoms::lang, kNameSpaceID_XML);
|
|
|
|
if (!attr) {
|
|
return nullptr;
|
|
}
|
|
|
|
MOZ_ASSERT(attr->Type() == nsAttrValue::eAtom);
|
|
|
|
RefPtr<nsAtom> atom = attr->GetAtomValue();
|
|
return atom.forget().take();
|
|
}
|
|
|
|
nsIDocument::DocumentTheme
|
|
Gecko_GetDocumentLWTheme(const nsIDocument* aDocument)
|
|
{
|
|
return aDocument->ThreadSafeGetDocumentLWTheme();
|
|
}
|
|
|
|
bool
|
|
Gecko_IsTableBorderNonzero(RawGeckoElementBorrowed aElement)
|
|
{
|
|
if (!aElement->IsHTMLElement(nsGkAtoms::table)) {
|
|
return false;
|
|
}
|
|
const nsAttrValue *val = aElement->GetParsedAttr(nsGkAtoms::border);
|
|
return val && (val->Type() != nsAttrValue::eInteger ||
|
|
val->GetIntegerValue() != 0);
|
|
}
|
|
|
|
bool
|
|
Gecko_IsBrowserFrame(RawGeckoElementBorrowed aElement)
|
|
{
|
|
nsIMozBrowserFrame* browserFrame =
|
|
const_cast<Element*>(aElement)->GetAsMozBrowserFrame();
|
|
return browserFrame && browserFrame->GetReallyIsBrowser();
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static nsAtom*
|
|
AtomAttrValue(Implementor* aElement, nsAtom* aName)
|
|
{
|
|
const nsAttrValue* attr = aElement->GetParsedAttr(aName);
|
|
return attr ? attr->GetAtomValue() : nullptr;
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static nsAtom*
|
|
LangValue(Implementor* aElement)
|
|
{
|
|
// TODO(emilio): Deduplicate a bit with nsIContent::GetLang().
|
|
const nsAttrValue* attr =
|
|
aElement->GetParsedAttr(nsGkAtoms::lang, kNameSpaceID_XML);
|
|
if (!attr && aElement->SupportsLangAttr()) {
|
|
attr = aElement->GetParsedAttr(nsGkAtoms::lang);
|
|
}
|
|
|
|
if (!attr) {
|
|
return nullptr;
|
|
}
|
|
|
|
MOZ_ASSERT(attr->Type() == nsAttrValue::eAtom);
|
|
RefPtr<nsAtom> atom = attr->GetAtomValue();
|
|
return atom.forget().take();
|
|
}
|
|
|
|
template <typename Implementor, typename MatchFn>
|
|
static bool
|
|
DoMatch(Implementor* aElement, nsAtom* aNS, nsAtom* aName, MatchFn aMatch)
|
|
{
|
|
if (MOZ_LIKELY(aNS)) {
|
|
int32_t ns = aNS == nsGkAtoms::_empty
|
|
? kNameSpaceID_None
|
|
: nsContentUtils::NameSpaceManager()->GetNameSpaceID(
|
|
aNS, aElement->IsInChromeDocument());
|
|
|
|
MOZ_ASSERT(ns == nsContentUtils::NameSpaceManager()->GetNameSpaceID(
|
|
aNS, aElement->IsInChromeDocument()));
|
|
NS_ENSURE_TRUE(ns != kNameSpaceID_Unknown, false);
|
|
const nsAttrValue* value = aElement->GetParsedAttr(aName, ns);
|
|
return value && aMatch(value);
|
|
}
|
|
|
|
// No namespace means any namespace - we have to check them all. :-(
|
|
BorrowedAttrInfo attrInfo;
|
|
for (uint32_t i = 0; (attrInfo = aElement->GetAttrInfoAt(i)); ++i) {
|
|
if (attrInfo.mName->LocalName() != aName) {
|
|
continue;
|
|
}
|
|
if (aMatch(attrInfo.mValue)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
HasAttr(Implementor* aElement, nsAtom* aNS, nsAtom* aName)
|
|
{
|
|
auto match = [](const nsAttrValue* aValue) { return true; };
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
AttrEquals(Implementor* aElement, nsAtom* aNS, nsAtom* aName, nsAtom* aStr,
|
|
bool aIgnoreCase)
|
|
{
|
|
auto match = [aStr, aIgnoreCase](const nsAttrValue* aValue) {
|
|
return aValue->Equals(aStr, aIgnoreCase ? eIgnoreCase : eCaseMatters);
|
|
};
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
#define WITH_COMPARATOR(ignore_case_, c_, expr_) \
|
|
if (ignore_case_) { \
|
|
const nsCaseInsensitiveStringComparator c_ \
|
|
= nsCaseInsensitiveStringComparator(); \
|
|
return expr_; \
|
|
} else { \
|
|
const nsDefaultStringComparator c_; \
|
|
return expr_; \
|
|
}
|
|
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
AttrDashEquals(Implementor* aElement, nsAtom* aNS, nsAtom* aName,
|
|
nsAtom* aStr, bool aIgnoreCase)
|
|
{
|
|
auto match = [aStr, aIgnoreCase](const nsAttrValue* aValue) {
|
|
nsAutoString str;
|
|
aValue->ToString(str);
|
|
WITH_COMPARATOR(aIgnoreCase, c,
|
|
nsStyleUtil::DashMatchCompare(str, nsDependentAtomString(aStr), c))
|
|
};
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
AttrIncludes(Implementor* aElement, nsAtom* aNS, nsAtom* aName,
|
|
nsAtom* aStr, bool aIgnoreCase)
|
|
{
|
|
auto match = [aStr, aIgnoreCase](const nsAttrValue* aValue) {
|
|
nsAutoString str;
|
|
aValue->ToString(str);
|
|
WITH_COMPARATOR(aIgnoreCase, c,
|
|
nsStyleUtil::ValueIncludes(str, nsDependentAtomString(aStr), c))
|
|
};
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
AttrHasSubstring(Implementor* aElement, nsAtom* aNS, nsAtom* aName,
|
|
nsAtom* aStr, bool aIgnoreCase)
|
|
{
|
|
auto match = [aStr, aIgnoreCase](const nsAttrValue* aValue) {
|
|
nsAutoString str;
|
|
aValue->ToString(str);
|
|
WITH_COMPARATOR(aIgnoreCase, c,
|
|
FindInReadable(nsDependentAtomString(aStr), str, c))
|
|
};
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
AttrHasPrefix(Implementor* aElement, nsAtom* aNS, nsAtom* aName,
|
|
nsAtom* aStr, bool aIgnoreCase)
|
|
{
|
|
auto match = [aStr, aIgnoreCase](const nsAttrValue* aValue) {
|
|
nsAutoString str;
|
|
aValue->ToString(str);
|
|
WITH_COMPARATOR(aIgnoreCase, c,
|
|
StringBeginsWith(str, nsDependentAtomString(aStr), c))
|
|
};
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
template <typename Implementor>
|
|
static bool
|
|
AttrHasSuffix(Implementor* aElement, nsAtom* aNS, nsAtom* aName,
|
|
nsAtom* aStr, bool aIgnoreCase)
|
|
{
|
|
auto match = [aStr, aIgnoreCase](const nsAttrValue* aValue) {
|
|
nsAutoString str;
|
|
aValue->ToString(str);
|
|
WITH_COMPARATOR(aIgnoreCase, c,
|
|
StringEndsWith(str, nsDependentAtomString(aStr), c))
|
|
};
|
|
return DoMatch(aElement, aNS, aName, match);
|
|
}
|
|
|
|
/**
|
|
* Returns whether an element contains a class in its class list or not.
|
|
*/
|
|
template <typename Implementor>
|
|
static bool
|
|
HasClass(Implementor* aElement, nsAtom* aClass, bool aIgnoreCase)
|
|
{
|
|
const nsAttrValue* attr = aElement->DoGetClasses();
|
|
if (!attr) {
|
|
return false;
|
|
}
|
|
|
|
return attr->Contains(aClass, aIgnoreCase ? eIgnoreCase : eCaseMatters);
|
|
}
|
|
|
|
/**
|
|
* Gets the class or class list (if any) of the implementor. The calling
|
|
* convention here is rather hairy, and is optimized for getting Servo the
|
|
* information it needs for hot calls.
|
|
*
|
|
* The return value indicates the number of classes. If zero, neither outparam
|
|
* is valid. If one, the class_ outparam is filled with the atom of the class.
|
|
* If two or more, the classList outparam is set to point to an array of atoms
|
|
* representing the class list.
|
|
*
|
|
* The array is borrowed and the atoms are not addrefed. These values can be
|
|
* invalidated by any DOM mutation. Use them in a tight scope.
|
|
*/
|
|
template <typename Implementor>
|
|
static uint32_t
|
|
ClassOrClassList(Implementor* aElement, nsAtom** aClass, nsAtom*** aClassList)
|
|
{
|
|
const nsAttrValue* attr = aElement->DoGetClasses();
|
|
if (!attr) {
|
|
return 0;
|
|
}
|
|
|
|
// For class values with only whitespace, Gecko just stores a string. For the
|
|
// purposes of the style system, there is no class in this case.
|
|
nsAttrValue::ValueType type = attr->Type();
|
|
if (MOZ_UNLIKELY(type == nsAttrValue::eString)) {
|
|
MOZ_ASSERT(nsContentUtils::TrimWhitespace<nsContentUtils::IsHTMLWhitespace>(
|
|
attr->GetStringValue()).IsEmpty());
|
|
return 0;
|
|
}
|
|
|
|
// Single tokens are generally stored as an atom. Check that case.
|
|
if (type == nsAttrValue::eAtom) {
|
|
*aClass = attr->GetAtomValue();
|
|
return 1;
|
|
}
|
|
|
|
// At this point we should have an atom array. It is likely, but not
|
|
// guaranteed, that we have two or more elements in the array.
|
|
MOZ_ASSERT(type == nsAttrValue::eAtomArray);
|
|
nsTArray<RefPtr<nsAtom>>* atomArray = attr->GetAtomArrayValue();
|
|
uint32_t length = atomArray->Length();
|
|
|
|
// Special case: zero elements.
|
|
if (length == 0) {
|
|
return 0;
|
|
}
|
|
|
|
// Special case: one element.
|
|
if (length == 1) {
|
|
*aClass = atomArray->ElementAt(0);
|
|
return 1;
|
|
}
|
|
|
|
// General case: Two or more elements.
|
|
//
|
|
// Note: We could also expose this array as an array of nsCOMPtrs, since
|
|
// bindgen knows what those look like, and eliminate the reinterpret_cast.
|
|
// But it's not obvious that that would be preferable.
|
|
static_assert(sizeof(RefPtr<nsAtom>) == sizeof(nsAtom*), "Bad simplification");
|
|
static_assert(alignof(RefPtr<nsAtom>) == alignof(nsAtom*), "Bad simplification");
|
|
|
|
RefPtr<nsAtom>* elements = atomArray->Elements();
|
|
nsAtom** rawElements = reinterpret_cast<nsAtom**>(elements);
|
|
*aClassList = rawElements;
|
|
return atomArray->Length();
|
|
}
|
|
|
|
#define SERVO_IMPL_ELEMENT_ATTR_MATCHING_FUNCTIONS(prefix_, implementor_) \
|
|
nsAtom* prefix_##AtomAttrValue(implementor_ aElement, nsAtom* aName) \
|
|
{ \
|
|
return AtomAttrValue(aElement, aName); \
|
|
} \
|
|
nsAtom* prefix_##LangValue(implementor_ aElement) \
|
|
{ \
|
|
return LangValue(aElement); \
|
|
} \
|
|
bool prefix_##HasAttr(implementor_ aElement, nsAtom* aNS, nsAtom* aName) \
|
|
{ \
|
|
return HasAttr(aElement, aNS, aName); \
|
|
} \
|
|
bool prefix_##AttrEquals(implementor_ aElement, nsAtom* aNS, \
|
|
nsAtom* aName, nsAtom* aStr, bool aIgnoreCase) \
|
|
{ \
|
|
return AttrEquals(aElement, aNS, aName, aStr, aIgnoreCase); \
|
|
} \
|
|
bool prefix_##AttrDashEquals(implementor_ aElement, nsAtom* aNS, \
|
|
nsAtom* aName, nsAtom* aStr, bool aIgnoreCase) \
|
|
{ \
|
|
return AttrDashEquals(aElement, aNS, aName, aStr, aIgnoreCase); \
|
|
} \
|
|
bool prefix_##AttrIncludes(implementor_ aElement, nsAtom* aNS, \
|
|
nsAtom* aName, nsAtom* aStr, bool aIgnoreCase) \
|
|
{ \
|
|
return AttrIncludes(aElement, aNS, aName, aStr, aIgnoreCase); \
|
|
} \
|
|
bool prefix_##AttrHasSubstring(implementor_ aElement, nsAtom* aNS, \
|
|
nsAtom* aName, nsAtom* aStr, bool aIgnoreCase) \
|
|
{ \
|
|
return AttrHasSubstring(aElement, aNS, aName, aStr, aIgnoreCase); \
|
|
} \
|
|
bool prefix_##AttrHasPrefix(implementor_ aElement, nsAtom* aNS, \
|
|
nsAtom* aName, nsAtom* aStr, bool aIgnoreCase) \
|
|
{ \
|
|
return AttrHasPrefix(aElement, aNS, aName, aStr, aIgnoreCase); \
|
|
} \
|
|
bool prefix_##AttrHasSuffix(implementor_ aElement, nsAtom* aNS, \
|
|
nsAtom* aName, nsAtom* aStr, bool aIgnoreCase) \
|
|
{ \
|
|
return AttrHasSuffix(aElement, aNS, aName, aStr, aIgnoreCase); \
|
|
} \
|
|
uint32_t prefix_##ClassOrClassList(implementor_ aElement, nsAtom** aClass, \
|
|
nsAtom*** aClassList) \
|
|
{ \
|
|
return ClassOrClassList(aElement, aClass, aClassList); \
|
|
} \
|
|
bool prefix_##HasClass(implementor_ aElement, nsAtom* aClass, bool aIgnoreCase)\
|
|
{ \
|
|
return HasClass(aElement, aClass, aIgnoreCase); \
|
|
} \
|
|
|
|
|
|
SERVO_IMPL_ELEMENT_ATTR_MATCHING_FUNCTIONS(Gecko_, RawGeckoElementBorrowed)
|
|
SERVO_IMPL_ELEMENT_ATTR_MATCHING_FUNCTIONS(Gecko_Snapshot, const ServoElementSnapshot*)
|
|
|
|
#undef SERVO_IMPL_ELEMENT_ATTR_MATCHING_FUNCTIONS
|
|
|
|
nsAtom*
|
|
Gecko_Atomize(const char* aString, uint32_t aLength)
|
|
{
|
|
return NS_Atomize(nsDependentCSubstring(aString, aLength)).take();
|
|
}
|
|
|
|
nsAtom*
|
|
Gecko_Atomize16(const nsAString* aString)
|
|
{
|
|
return NS_Atomize(*aString).take();
|
|
}
|
|
|
|
void
|
|
Gecko_AddRefAtom(nsAtom* aAtom)
|
|
{
|
|
NS_ADDREF(aAtom);
|
|
}
|
|
|
|
void
|
|
Gecko_ReleaseAtom(nsAtom* aAtom)
|
|
{
|
|
NS_RELEASE(aAtom);
|
|
}
|
|
|
|
void
|
|
Gecko_nsTArray_FontFamilyName_AppendNamed(nsTArray<FontFamilyName>* aNames,
|
|
nsAtom* aName,
|
|
bool aQuoted)
|
|
{
|
|
FontFamilyName family;
|
|
aName->ToString(family.mName);
|
|
if (aQuoted) {
|
|
family.mType = eFamily_named_quoted;
|
|
}
|
|
|
|
aNames->AppendElement(family);
|
|
}
|
|
|
|
void
|
|
Gecko_nsTArray_FontFamilyName_AppendGeneric(nsTArray<FontFamilyName>* aNames,
|
|
FontFamilyType aType)
|
|
{
|
|
aNames->AppendElement(FontFamilyName(aType));
|
|
}
|
|
|
|
SharedFontList*
|
|
Gecko_SharedFontList_Create()
|
|
{
|
|
RefPtr<SharedFontList> fontlist = new SharedFontList();
|
|
return fontlist.forget().take();
|
|
}
|
|
|
|
MOZ_DEFINE_MALLOC_SIZE_OF(GeckoSharedFontListMallocSizeOf)
|
|
|
|
size_t
|
|
Gecko_SharedFontList_SizeOfIncludingThisIfUnshared(SharedFontList* aFontlist)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return aFontlist->SizeOfIncludingThisIfUnshared(GeckoSharedFontListMallocSizeOf);
|
|
}
|
|
|
|
size_t
|
|
Gecko_SharedFontList_SizeOfIncludingThis(SharedFontList* aFontlist)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return aFontlist->SizeOfIncludingThis(GeckoSharedFontListMallocSizeOf);
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(mozilla::SharedFontList, SharedFontList);
|
|
|
|
void
|
|
Gecko_CopyFontFamilyFrom(nsFont* dst, const nsFont* src)
|
|
{
|
|
dst->fontlist = src->fontlist;
|
|
}
|
|
|
|
void
|
|
Gecko_nsFont_InitSystem(nsFont* aDest, int32_t aFontId,
|
|
const nsStyleFont* aFont, RawGeckoPresContextBorrowed aPresContext)
|
|
{
|
|
const nsFont* defaultVariableFont = ThreadSafeGetDefaultFontHelper(aPresContext, aFont->mLanguage,
|
|
kPresContext_DefaultVariableFont_ID);
|
|
|
|
// We have passed uninitialized memory to this function,
|
|
// initialize it. We can't simply return an nsFont because then
|
|
// we need to know its size beforehand. Servo cannot initialize nsFont
|
|
// itself, so this will do.
|
|
nsFont* system = new (aDest) nsFont(*defaultVariableFont);
|
|
|
|
MOZ_RELEASE_ASSERT(system);
|
|
|
|
*aDest = *defaultVariableFont;
|
|
LookAndFeel::FontID fontID = static_cast<LookAndFeel::FontID>(aFontId);
|
|
|
|
AutoWriteLock guard(*sServoFFILock);
|
|
nsLayoutUtils::ComputeSystemFont(aDest, fontID, aPresContext,
|
|
defaultVariableFont);
|
|
}
|
|
|
|
void
|
|
Gecko_nsFont_Destroy(nsFont* aDest)
|
|
{
|
|
aDest->~nsFont();
|
|
}
|
|
|
|
gfxFontFeatureValueSet*
|
|
Gecko_ConstructFontFeatureValueSet()
|
|
{
|
|
return new gfxFontFeatureValueSet();
|
|
}
|
|
|
|
nsTArray<unsigned int>*
|
|
Gecko_AppendFeatureValueHashEntry(gfxFontFeatureValueSet* aFontFeatureValues,
|
|
nsAtom* aFamily, uint32_t aAlternate, nsAtom* aName)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
static_assert(sizeof(unsigned int) == sizeof(uint32_t),
|
|
"sizeof unsigned int and uint32_t must be the same");
|
|
return aFontFeatureValues->AppendFeatureValueHashEntry(
|
|
nsDependentAtomString(aFamily),
|
|
nsDependentAtomString(aName),
|
|
aAlternate
|
|
);
|
|
}
|
|
|
|
void
|
|
Gecko_nsFont_SetFontFeatureValuesLookup(nsFont* aFont,
|
|
const RawGeckoPresContext* aPresContext)
|
|
{
|
|
aFont->featureValueLookup = aPresContext->GetFontFeatureValuesLookup();
|
|
}
|
|
|
|
float
|
|
Gecko_FontStretch_ToFloat(mozilla::FontStretch aStretch)
|
|
{
|
|
// Servo represents percentages with 1. being 100%.
|
|
return aStretch.Percentage() / 100.0f;
|
|
}
|
|
|
|
void
|
|
Gecko_FontStretch_SetFloat(mozilla::FontStretch* aStretch, float aFloat)
|
|
{
|
|
// Servo represents percentages with 1. being 100%.
|
|
//
|
|
// Also, the font code assumes a given maximum that style doesn't really need
|
|
// to know about. So clamp here at the boundary.
|
|
*aStretch = FontStretch(std::min(aFloat * 100.0f, float(FontStretch::kMax)));
|
|
}
|
|
|
|
void
|
|
Gecko_FontSlantStyle_SetNormal(mozilla::FontSlantStyle* aStyle)
|
|
{
|
|
*aStyle = mozilla::FontSlantStyle::Normal();
|
|
}
|
|
|
|
void
|
|
Gecko_FontSlantStyle_SetItalic(mozilla::FontSlantStyle* aStyle)
|
|
{
|
|
*aStyle = mozilla::FontSlantStyle::Italic();
|
|
}
|
|
|
|
void
|
|
Gecko_FontSlantStyle_SetOblique(mozilla::FontSlantStyle* aStyle,
|
|
float aAngleInDegrees)
|
|
{
|
|
*aStyle = mozilla::FontSlantStyle::Oblique(aAngleInDegrees);
|
|
}
|
|
|
|
void
|
|
Gecko_FontSlantStyle_Get(mozilla::FontSlantStyle aStyle,
|
|
bool* aNormal,
|
|
bool* aItalic,
|
|
float* aObliqueAngle)
|
|
{
|
|
*aNormal = aStyle.IsNormal();
|
|
*aItalic = aStyle.IsItalic();
|
|
if (aStyle.IsOblique()) {
|
|
*aObliqueAngle = aStyle.ObliqueAngle();
|
|
}
|
|
}
|
|
|
|
float
|
|
Gecko_FontWeight_ToFloat(mozilla::FontWeight aWeight)
|
|
{
|
|
return aWeight.ToFloat();
|
|
}
|
|
|
|
void
|
|
Gecko_FontWeight_SetFloat(mozilla::FontWeight* aWeight,
|
|
float aFloat)
|
|
{
|
|
*aWeight = mozilla::FontWeight(aFloat);
|
|
}
|
|
|
|
void
|
|
Gecko_nsFont_ResetFontFeatureValuesLookup(nsFont* aFont)
|
|
{
|
|
aFont->featureValueLookup = nullptr;
|
|
}
|
|
|
|
|
|
void
|
|
Gecko_ClearAlternateValues(nsFont* aFont, size_t aLength)
|
|
{
|
|
aFont->alternateValues.Clear();
|
|
aFont->alternateValues.SetCapacity(aLength);
|
|
}
|
|
|
|
void
|
|
Gecko_AppendAlternateValues(nsFont* aFont, uint32_t aAlternateName, nsAtom* aAtom)
|
|
{
|
|
aFont->alternateValues.AppendElement(gfxAlternateValue {
|
|
aAlternateName,
|
|
nsDependentAtomString(aAtom)
|
|
});
|
|
}
|
|
|
|
void
|
|
Gecko_CopyAlternateValuesFrom(nsFont* aDest, const nsFont* aSrc)
|
|
{
|
|
aDest->alternateValues.Clear();
|
|
aDest->alternateValues.AppendElements(aSrc->alternateValues);
|
|
aDest->featureValueLookup = aSrc->featureValueLookup;
|
|
}
|
|
|
|
void
|
|
Gecko_SetCounterStyleToName(CounterStylePtr* aPtr, nsAtom* aName,
|
|
RawGeckoPresContextBorrowed aPresContext)
|
|
{
|
|
// Try resolving the counter style if possible, and keep it unresolved
|
|
// otherwise.
|
|
CounterStyleManager* manager = aPresContext->CounterStyleManager();
|
|
RefPtr<nsAtom> name = already_AddRefed<nsAtom>(aName);
|
|
if (CounterStyle* style = manager->GetCounterStyle(name)) {
|
|
*aPtr = style;
|
|
} else {
|
|
*aPtr = name.forget();
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_SetCounterStyleToSymbols(CounterStylePtr* aPtr, uint8_t aSymbolsType,
|
|
nsACString const* const* aSymbols,
|
|
uint32_t aSymbolsCount)
|
|
{
|
|
nsTArray<nsString> symbols(aSymbolsCount);
|
|
for (uint32_t i = 0; i < aSymbolsCount; i++) {
|
|
symbols.AppendElement(NS_ConvertUTF8toUTF16(*aSymbols[i]));
|
|
}
|
|
*aPtr = new AnonymousCounterStyle(aSymbolsType, std::move(symbols));
|
|
}
|
|
|
|
void
|
|
Gecko_SetCounterStyleToString(CounterStylePtr* aPtr, const nsACString* aSymbol)
|
|
{
|
|
*aPtr = new AnonymousCounterStyle(NS_ConvertUTF8toUTF16(*aSymbol));
|
|
}
|
|
|
|
void
|
|
Gecko_CopyCounterStyle(CounterStylePtr* aDst, const CounterStylePtr* aSrc)
|
|
{
|
|
*aDst = *aSrc;
|
|
}
|
|
|
|
nsAtom*
|
|
Gecko_CounterStyle_GetName(const CounterStylePtr* aPtr)
|
|
{
|
|
if (!aPtr->IsResolved()) {
|
|
return aPtr->AsAtom();
|
|
}
|
|
return (*aPtr)->GetStyleName();
|
|
}
|
|
|
|
const AnonymousCounterStyle*
|
|
Gecko_CounterStyle_GetAnonymous(const CounterStylePtr* aPtr)
|
|
{
|
|
return aPtr->AsAnonymous();
|
|
}
|
|
|
|
already_AddRefed<css::URLValue>
|
|
ServoBundledURI::IntoCssUrl()
|
|
{
|
|
MOZ_ASSERT(mExtraData->GetReferrer());
|
|
MOZ_ASSERT(mExtraData->GetPrincipal());
|
|
|
|
RefPtr<css::URLValue> urlValue =
|
|
new css::URLValue(mURLString, do_AddRef(mExtraData));
|
|
return urlValue.forget();
|
|
}
|
|
|
|
already_AddRefed<css::ImageValue>
|
|
ServoBundledURI::IntoCssImage(mozilla::CORSMode aCorsMode)
|
|
{
|
|
RefPtr<css::ImageValue> urlValue =
|
|
new css::ImageValue(mURLString, do_AddRef(mExtraData), aCorsMode);
|
|
return urlValue.forget();
|
|
}
|
|
|
|
void
|
|
Gecko_SetNullImageValue(nsStyleImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
aImage->SetNull();
|
|
}
|
|
|
|
void
|
|
Gecko_SetGradientImageValue(nsStyleImage* aImage, nsStyleGradient* aGradient)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
aImage->SetGradientData(aGradient);
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(mozilla::css::ImageValue, ImageValue);
|
|
|
|
static already_AddRefed<nsStyleImageRequest>
|
|
CreateStyleImageRequest(nsStyleImageRequest::Mode aModeFlags,
|
|
mozilla::css::ImageValue* aImageValue)
|
|
{
|
|
RefPtr<nsStyleImageRequest> req =
|
|
new nsStyleImageRequest(aModeFlags, aImageValue);
|
|
return req.forget();
|
|
}
|
|
|
|
mozilla::css::ImageValue*
|
|
Gecko_ImageValue_Create(ServoBundledURI aURI)
|
|
{
|
|
// Bug 1434963: Change this to accept a CORS mode from the caller.
|
|
return aURI.IntoCssImage(mozilla::CORSMode::CORS_NONE).take();
|
|
}
|
|
|
|
MOZ_DEFINE_MALLOC_SIZE_OF(GeckoImageValueMallocSizeOf)
|
|
|
|
size_t
|
|
Gecko_ImageValue_SizeOfIncludingThis(mozilla::css::ImageValue* aImageValue)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return aImageValue->SizeOfIncludingThis(GeckoImageValueMallocSizeOf);
|
|
}
|
|
|
|
void
|
|
Gecko_SetLayerImageImageValue(nsStyleImage* aImage,
|
|
mozilla::css::ImageValue* aImageValue)
|
|
{
|
|
MOZ_ASSERT(aImage && aImageValue);
|
|
|
|
RefPtr<nsStyleImageRequest> req =
|
|
CreateStyleImageRequest(nsStyleImageRequest::Mode::Track, aImageValue);
|
|
aImage->SetImageRequest(req.forget());
|
|
}
|
|
|
|
void
|
|
Gecko_SetImageElement(nsStyleImage* aImage, nsAtom* aAtom) {
|
|
MOZ_ASSERT(aImage);
|
|
aImage->SetElementId(do_AddRef(aAtom));
|
|
}
|
|
|
|
void
|
|
Gecko_CopyImageValueFrom(nsStyleImage* aImage, const nsStyleImage* aOther)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
MOZ_ASSERT(aOther);
|
|
|
|
*aImage = *aOther;
|
|
}
|
|
|
|
void
|
|
Gecko_InitializeImageCropRect(nsStyleImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
aImage->SetCropRect(MakeUnique<nsStyleSides>());
|
|
}
|
|
|
|
void
|
|
Gecko_SetCursorArrayLength(nsStyleUI* aStyleUI, size_t aLen)
|
|
{
|
|
aStyleUI->mCursorImages.Clear();
|
|
aStyleUI->mCursorImages.SetLength(aLen);
|
|
}
|
|
|
|
void
|
|
Gecko_SetCursorImageValue(nsCursorImage* aCursor,
|
|
mozilla::css::ImageValue* aImageValue)
|
|
{
|
|
MOZ_ASSERT(aCursor && aImageValue);
|
|
|
|
aCursor->mImage =
|
|
CreateStyleImageRequest(nsStyleImageRequest::Mode::Discard, aImageValue);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyCursorArrayFrom(nsStyleUI* aDest, const nsStyleUI* aSrc)
|
|
{
|
|
aDest->mCursorImages = aSrc->mCursorImages;
|
|
}
|
|
|
|
void
|
|
Gecko_SetContentDataImageValue(nsStyleContentData* aContent,
|
|
mozilla::css::ImageValue* aImageValue)
|
|
{
|
|
MOZ_ASSERT(aContent && aImageValue);
|
|
|
|
RefPtr<nsStyleImageRequest> req =
|
|
CreateStyleImageRequest(nsStyleImageRequest::Mode::Track, aImageValue);
|
|
aContent->SetImageRequest(req.forget());
|
|
}
|
|
|
|
nsStyleContentData::CounterFunction*
|
|
Gecko_SetCounterFunction(nsStyleContentData* aContent, StyleContentType aType)
|
|
{
|
|
auto counterFunc = MakeRefPtr<nsStyleContentData::CounterFunction>();
|
|
auto* ptr = counterFunc.get();
|
|
aContent->SetCounters(aType, counterFunc.forget());
|
|
return ptr;
|
|
}
|
|
|
|
nsStyleGradient*
|
|
Gecko_CreateGradient(uint8_t aShape,
|
|
uint8_t aSize,
|
|
bool aRepeating,
|
|
bool aLegacySyntax,
|
|
bool aMozLegacySyntax,
|
|
uint32_t aStopCount)
|
|
{
|
|
nsStyleGradient* result = new nsStyleGradient();
|
|
|
|
result->mShape = aShape;
|
|
result->mSize = aSize;
|
|
result->mRepeating = aRepeating;
|
|
result->mLegacySyntax = aLegacySyntax;
|
|
result->mMozLegacySyntax = aMozLegacySyntax;
|
|
|
|
result->mAngle.SetNoneValue();
|
|
result->mBgPosX.SetNoneValue();
|
|
result->mBgPosY.SetNoneValue();
|
|
result->mRadiusX.SetNoneValue();
|
|
result->mRadiusY.SetNoneValue();
|
|
|
|
nsStyleGradientStop dummyStop = {
|
|
nsStyleCoord(eStyleUnit_None),
|
|
StyleComplexColor::Black(),
|
|
0
|
|
};
|
|
|
|
for (uint32_t i = 0; i < aStopCount; i++) {
|
|
result->mStops.AppendElement(dummyStop);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
const nsStyleImageRequest*
|
|
Gecko_GetImageRequest(const nsStyleImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
return aImage->ImageRequest();
|
|
}
|
|
|
|
nsAtom*
|
|
Gecko_GetImageElement(const nsStyleImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage && aImage->GetType() == eStyleImageType_Element);
|
|
return const_cast<nsAtom*>(aImage->GetElementId());
|
|
}
|
|
|
|
const nsStyleGradient*
|
|
Gecko_GetGradientImageValue(const nsStyleImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage && aImage->GetType() == eStyleImageType_Gradient);
|
|
return aImage->GetGradientData();
|
|
}
|
|
|
|
void
|
|
Gecko_SetListStyleImageNone(nsStyleList* aList)
|
|
{
|
|
aList->mListStyleImage = nullptr;
|
|
}
|
|
|
|
void
|
|
Gecko_SetListStyleImageImageValue(nsStyleList* aList,
|
|
mozilla::css::ImageValue* aImageValue)
|
|
{
|
|
MOZ_ASSERT(aList && aImageValue);
|
|
|
|
aList->mListStyleImage =
|
|
CreateStyleImageRequest(nsStyleImageRequest::Mode(0), aImageValue);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyListStyleImageFrom(nsStyleList* aList, const nsStyleList* aSource)
|
|
{
|
|
aList->mListStyleImage = aSource->mListStyleImage;
|
|
}
|
|
|
|
void
|
|
Gecko_EnsureTArrayCapacity(void* aArray, size_t aCapacity, size_t aElemSize)
|
|
{
|
|
auto base =
|
|
reinterpret_cast<nsTArray_base<nsTArrayInfallibleAllocator,
|
|
nsTArray_CopyWithMemutils>*>(aArray);
|
|
|
|
base->EnsureCapacity<nsTArrayInfallibleAllocator>(aCapacity, aElemSize);
|
|
}
|
|
|
|
void
|
|
Gecko_ClearPODTArray(void* aArray, size_t aElementSize, size_t aElementAlign)
|
|
{
|
|
auto base =
|
|
reinterpret_cast<nsTArray_base<nsTArrayInfallibleAllocator,
|
|
nsTArray_CopyWithMemutils>*>(aArray);
|
|
|
|
base->template ShiftData<nsTArrayInfallibleAllocator>(0, base->Length(), 0,
|
|
aElementSize, aElementAlign);
|
|
}
|
|
|
|
void Gecko_ResizeTArrayForStrings(nsTArray<nsString>* aArray, uint32_t aLength)
|
|
{
|
|
aArray->SetLength(aLength);
|
|
}
|
|
|
|
void
|
|
Gecko_SetStyleGridTemplate(UniquePtr<nsStyleGridTemplate>* aGridTemplate,
|
|
nsStyleGridTemplate* aValue)
|
|
{
|
|
aGridTemplate->reset(aValue);
|
|
}
|
|
|
|
nsStyleGridTemplate*
|
|
Gecko_CreateStyleGridTemplate(uint32_t aTrackSizes, uint32_t aNameSize)
|
|
{
|
|
nsStyleGridTemplate* result = new nsStyleGridTemplate;
|
|
result->mMinTrackSizingFunctions.SetLength(aTrackSizes);
|
|
result->mMaxTrackSizingFunctions.SetLength(aTrackSizes);
|
|
result->mLineNameLists.SetLength(aNameSize);
|
|
return result;
|
|
}
|
|
|
|
void
|
|
Gecko_CopyStyleGridTemplateValues(UniquePtr<nsStyleGridTemplate>* aGridTemplate,
|
|
const nsStyleGridTemplate* aOther)
|
|
{
|
|
if (aOther) {
|
|
*aGridTemplate = MakeUnique<nsStyleGridTemplate>(*aOther);
|
|
} else {
|
|
*aGridTemplate = nullptr;
|
|
}
|
|
}
|
|
|
|
mozilla::css::GridTemplateAreasValue*
|
|
Gecko_NewGridTemplateAreasValue(uint32_t aAreas, uint32_t aTemplates, uint32_t aColumns)
|
|
{
|
|
RefPtr<mozilla::css::GridTemplateAreasValue> value = new mozilla::css::GridTemplateAreasValue;
|
|
value->mNamedAreas.SetLength(aAreas);
|
|
value->mTemplates.SetLength(aTemplates);
|
|
value->mNColumns = aColumns;
|
|
return value.forget().take();
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(mozilla::css::GridTemplateAreasValue, GridTemplateAreasValue);
|
|
|
|
void
|
|
Gecko_ClearAndResizeStyleContents(nsStyleContent* aContent, uint32_t aHowMany)
|
|
{
|
|
aContent->AllocateContents(aHowMany);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyStyleContentsFrom(nsStyleContent* aContent, const nsStyleContent* aOther)
|
|
{
|
|
uint32_t count = aOther->ContentCount();
|
|
|
|
aContent->AllocateContents(count);
|
|
|
|
for (uint32_t i = 0; i < count; ++i) {
|
|
aContent->ContentAt(i) = aOther->ContentAt(i);
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_ClearAndResizeCounterIncrements(nsStyleContent* aContent, uint32_t aHowMany)
|
|
{
|
|
aContent->AllocateCounterIncrements(aHowMany);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyCounterIncrementsFrom(nsStyleContent* aContent, const nsStyleContent* aOther)
|
|
{
|
|
uint32_t count = aOther->CounterIncrementCount();
|
|
|
|
aContent->AllocateCounterIncrements(count);
|
|
|
|
for (uint32_t i = 0; i < count; ++i) {
|
|
const nsStyleCounterData& data = aOther->CounterIncrementAt(i);
|
|
aContent->SetCounterIncrementAt(i, data.mCounter, data.mValue);
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_ClearAndResizeCounterResets(nsStyleContent* aContent, uint32_t aHowMany)
|
|
{
|
|
aContent->AllocateCounterResets(aHowMany);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyCounterResetsFrom(nsStyleContent* aContent, const nsStyleContent* aOther)
|
|
{
|
|
uint32_t count = aOther->CounterResetCount();
|
|
|
|
aContent->AllocateCounterResets(count);
|
|
|
|
for (uint32_t i = 0; i < count; ++i) {
|
|
const nsStyleCounterData& data = aOther->CounterResetAt(i);
|
|
aContent->SetCounterResetAt(i, data.mCounter, data.mValue);
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_EnsureImageLayersLength(nsStyleImageLayers* aLayers, size_t aLen,
|
|
nsStyleImageLayers::LayerType aLayerType)
|
|
{
|
|
size_t oldLength = aLayers->mLayers.Length();
|
|
|
|
aLayers->mLayers.EnsureLengthAtLeast(aLen);
|
|
|
|
for (size_t i = oldLength; i < aLen; ++i) {
|
|
aLayers->mLayers[i].Initialize(aLayerType);
|
|
}
|
|
}
|
|
|
|
template <typename StyleType>
|
|
static void
|
|
EnsureStyleAutoArrayLength(StyleType* aArray, size_t aLen)
|
|
{
|
|
size_t oldLength = aArray->Length();
|
|
|
|
aArray->EnsureLengthAtLeast(aLen);
|
|
|
|
for (size_t i = oldLength; i < aLen; ++i) {
|
|
(*aArray)[i].SetInitialValues();
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_EnsureStyleAnimationArrayLength(void* aArray, size_t aLen)
|
|
{
|
|
auto base =
|
|
static_cast<nsStyleAutoArray<StyleAnimation>*>(aArray);
|
|
EnsureStyleAutoArrayLength(base, aLen);
|
|
}
|
|
|
|
void
|
|
Gecko_EnsureStyleTransitionArrayLength(void* aArray, size_t aLen)
|
|
{
|
|
auto base =
|
|
reinterpret_cast<nsStyleAutoArray<StyleTransition>*>(aArray);
|
|
EnsureStyleAutoArrayLength(base, aLen);
|
|
}
|
|
|
|
void
|
|
Gecko_ClearWillChange(nsStyleDisplay* aDisplay, size_t aLength)
|
|
{
|
|
aDisplay->mWillChange.Clear();
|
|
aDisplay->mWillChange.SetCapacity(aLength);
|
|
}
|
|
|
|
void
|
|
Gecko_AppendWillChange(nsStyleDisplay* aDisplay, nsAtom* aAtom)
|
|
{
|
|
aDisplay->mWillChange.AppendElement(aAtom);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyWillChangeFrom(nsStyleDisplay* aDest, nsStyleDisplay* aSrc)
|
|
{
|
|
aDest->mWillChange.Clear();
|
|
aDest->mWillChange.AppendElements(aSrc->mWillChange);
|
|
}
|
|
|
|
enum class KeyframeSearchDirection {
|
|
Forwards,
|
|
Backwards,
|
|
};
|
|
|
|
enum class KeyframeInsertPosition {
|
|
Prepend,
|
|
LastForOffset,
|
|
};
|
|
|
|
static Keyframe*
|
|
GetOrCreateKeyframe(nsTArray<Keyframe>* aKeyframes,
|
|
float aOffset,
|
|
const nsTimingFunction* aTimingFunction,
|
|
KeyframeSearchDirection aSearchDirection,
|
|
KeyframeInsertPosition aInsertPosition)
|
|
{
|
|
MOZ_ASSERT(aKeyframes, "The keyframe array should be valid");
|
|
MOZ_ASSERT(aTimingFunction, "The timing function should be valid");
|
|
MOZ_ASSERT(aOffset >= 0. && aOffset <= 1.,
|
|
"The offset should be in the range of [0.0, 1.0]");
|
|
|
|
size_t keyframeIndex;
|
|
switch (aSearchDirection) {
|
|
case KeyframeSearchDirection::Forwards:
|
|
if (nsAnimationManager::FindMatchingKeyframe(*aKeyframes,
|
|
aOffset,
|
|
*aTimingFunction,
|
|
keyframeIndex)) {
|
|
return &(*aKeyframes)[keyframeIndex];
|
|
}
|
|
break;
|
|
case KeyframeSearchDirection::Backwards:
|
|
if (nsAnimationManager::FindMatchingKeyframe(Reversed(*aKeyframes),
|
|
aOffset,
|
|
*aTimingFunction,
|
|
keyframeIndex)) {
|
|
return &(*aKeyframes)[aKeyframes->Length() - 1 - keyframeIndex];
|
|
}
|
|
keyframeIndex = aKeyframes->Length() - 1;
|
|
break;
|
|
}
|
|
|
|
Keyframe* keyframe =
|
|
aKeyframes->InsertElementAt(
|
|
aInsertPosition == KeyframeInsertPosition::Prepend
|
|
? 0
|
|
: keyframeIndex);
|
|
keyframe->mOffset.emplace(aOffset);
|
|
if (aTimingFunction->mType != nsTimingFunction::Type::Linear) {
|
|
keyframe->mTimingFunction.emplace();
|
|
keyframe->mTimingFunction->Init(*aTimingFunction);
|
|
}
|
|
|
|
return keyframe;
|
|
}
|
|
|
|
Keyframe*
|
|
Gecko_GetOrCreateKeyframeAtStart(nsTArray<Keyframe>* aKeyframes,
|
|
float aOffset,
|
|
const nsTimingFunction* aTimingFunction)
|
|
{
|
|
MOZ_ASSERT(aKeyframes->IsEmpty() ||
|
|
aKeyframes->ElementAt(0).mOffset.value() >= aOffset,
|
|
"The offset should be less than or equal to the first keyframe's "
|
|
"offset if there are exisiting keyframes");
|
|
|
|
return GetOrCreateKeyframe(aKeyframes,
|
|
aOffset,
|
|
aTimingFunction,
|
|
KeyframeSearchDirection::Forwards,
|
|
KeyframeInsertPosition::Prepend);
|
|
}
|
|
|
|
Keyframe*
|
|
Gecko_GetOrCreateInitialKeyframe(nsTArray<Keyframe>* aKeyframes,
|
|
const nsTimingFunction* aTimingFunction)
|
|
{
|
|
return GetOrCreateKeyframe(aKeyframes,
|
|
0.,
|
|
aTimingFunction,
|
|
KeyframeSearchDirection::Forwards,
|
|
KeyframeInsertPosition::LastForOffset);
|
|
}
|
|
|
|
Keyframe*
|
|
Gecko_GetOrCreateFinalKeyframe(nsTArray<Keyframe>* aKeyframes,
|
|
const nsTimingFunction* aTimingFunction)
|
|
{
|
|
return GetOrCreateKeyframe(aKeyframes,
|
|
1.,
|
|
aTimingFunction,
|
|
KeyframeSearchDirection::Backwards,
|
|
KeyframeInsertPosition::LastForOffset);
|
|
}
|
|
|
|
PropertyValuePair*
|
|
Gecko_AppendPropertyValuePair(nsTArray<PropertyValuePair>* aProperties,
|
|
nsCSSPropertyID aProperty)
|
|
{
|
|
MOZ_ASSERT(aProperties);
|
|
MOZ_ASSERT(aProperty == eCSSPropertyExtra_variable ||
|
|
!nsCSSProps::PropHasFlags(aProperty, CSSPropFlags::IsLogical));
|
|
return aProperties->AppendElement(PropertyValuePair { aProperty });
|
|
}
|
|
|
|
void
|
|
Gecko_ResetStyleCoord(nsStyleUnit* aUnit, nsStyleUnion* aValue)
|
|
{
|
|
nsStyleCoord::Reset(*aUnit, *aValue);
|
|
}
|
|
|
|
void
|
|
Gecko_SetStyleCoordCalcValue(nsStyleUnit* aUnit, nsStyleUnion* aValue, nsStyleCoord::CalcValue aCalc)
|
|
{
|
|
// Calc units should be cleaned up first
|
|
MOZ_ASSERT(*aUnit != nsStyleUnit::eStyleUnit_Calc);
|
|
nsStyleCoord::Calc* calcRef = new nsStyleCoord::Calc();
|
|
calcRef->mLength = aCalc.mLength;
|
|
calcRef->mPercent = aCalc.mPercent;
|
|
calcRef->mHasPercent = aCalc.mHasPercent;
|
|
*aUnit = nsStyleUnit::eStyleUnit_Calc;
|
|
aValue->mPointer = calcRef;
|
|
calcRef->AddRef();
|
|
}
|
|
|
|
void
|
|
Gecko_CopyShapeSourceFrom(mozilla::StyleShapeSource* aDst, const mozilla::StyleShapeSource* aSrc)
|
|
{
|
|
MOZ_ASSERT(aDst);
|
|
MOZ_ASSERT(aSrc);
|
|
|
|
*aDst = *aSrc;
|
|
}
|
|
|
|
void
|
|
Gecko_DestroyShapeSource(mozilla::StyleShapeSource* aShape)
|
|
{
|
|
aShape->~StyleShapeSource();
|
|
}
|
|
|
|
void
|
|
Gecko_StyleShapeSource_SetURLValue(StyleShapeSource* aShape, URLValue* aURL)
|
|
{
|
|
aShape->SetURL(aURL);
|
|
}
|
|
|
|
void
|
|
Gecko_NewBasicShape(mozilla::StyleShapeSource* aShape,
|
|
mozilla::StyleBasicShapeType aType)
|
|
{
|
|
aShape->SetBasicShape(MakeUnique<mozilla::StyleBasicShape>(aType),
|
|
StyleGeometryBox::NoBox);
|
|
}
|
|
|
|
void
|
|
Gecko_NewShapeImage(mozilla::StyleShapeSource* aShape)
|
|
{
|
|
aShape->SetShapeImage(MakeUnique<nsStyleImage>());
|
|
}
|
|
|
|
void
|
|
Gecko_ResetFilters(nsStyleEffects* effects, size_t new_len)
|
|
{
|
|
effects->mFilters.Clear();
|
|
effects->mFilters.SetLength(new_len);
|
|
}
|
|
|
|
void
|
|
Gecko_CopyFiltersFrom(nsStyleEffects* aSrc, nsStyleEffects* aDest)
|
|
{
|
|
aDest->mFilters = aSrc->mFilters;
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleFilter_SetURLValue(nsStyleFilter* aEffects, URLValue* aURL)
|
|
{
|
|
aEffects->SetURL(aURL);
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleSVGPaint_CopyFrom(nsStyleSVGPaint* aDest, const nsStyleSVGPaint* aSrc)
|
|
{
|
|
*aDest = *aSrc;
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleSVGPaint_SetURLValue(nsStyleSVGPaint* aPaint, URLValue* aURL)
|
|
{
|
|
aPaint->SetPaintServer(aURL);
|
|
}
|
|
|
|
void Gecko_nsStyleSVGPaint_Reset(nsStyleSVGPaint* aPaint)
|
|
{
|
|
aPaint->SetNone();
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleSVG_SetDashArrayLength(nsStyleSVG* aSvg, uint32_t aLen)
|
|
{
|
|
aSvg->mStrokeDasharray.Clear();
|
|
aSvg->mStrokeDasharray.SetLength(aLen);
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleSVG_CopyDashArray(nsStyleSVG* aDst, const nsStyleSVG* aSrc)
|
|
{
|
|
aDst->mStrokeDasharray = aSrc->mStrokeDasharray;
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleSVG_SetContextPropertiesLength(nsStyleSVG* aSvg, uint32_t aLen)
|
|
{
|
|
aSvg->mContextProps.Clear();
|
|
aSvg->mContextProps.SetLength(aLen);
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleSVG_CopyContextProperties(nsStyleSVG* aDst, const nsStyleSVG* aSrc)
|
|
{
|
|
aDst->mContextProps = aSrc->mContextProps;
|
|
aDst->mContextPropsBits = aSrc->mContextPropsBits;
|
|
}
|
|
|
|
|
|
css::URLValue*
|
|
Gecko_NewURLValue(ServoBundledURI aURI)
|
|
{
|
|
RefPtr<css::URLValue> url = aURI.IntoCssUrl();
|
|
return url.forget().take();
|
|
}
|
|
|
|
MOZ_DEFINE_MALLOC_SIZE_OF(GeckoURLValueMallocSizeOf)
|
|
|
|
size_t
|
|
Gecko_URLValue_SizeOfIncludingThis(URLValue* aURL)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return aURL->SizeOfIncludingThis(GeckoURLValueMallocSizeOf);
|
|
}
|
|
|
|
void
|
|
Gecko_GetComputedURLSpec(const URLValueData* aURL, nsCString* aOut)
|
|
{
|
|
MOZ_ASSERT(aURL);
|
|
MOZ_ASSERT(aOut);
|
|
if (aURL->IsLocalRef()) {
|
|
aOut->Assign(aURL->GetString());
|
|
return;
|
|
}
|
|
if (nsIURI* uri = aURL->GetURI()) {
|
|
nsresult rv = uri->GetSpec(*aOut);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
aOut->AssignLiteral("about:invalid");
|
|
}
|
|
|
|
void
|
|
Gecko_nsIURI_Debug(nsIURI* aURI, nsCString* aOut)
|
|
{
|
|
// TODO(emilio): Do we have more useful stuff to put here, maybe?
|
|
if (aURI) {
|
|
*aOut = aURI->GetSpecOrDefault();
|
|
}
|
|
}
|
|
|
|
template <typename ElementLike>
|
|
void
|
|
DebugListAttributes(const ElementLike& aElement, nsCString& aOut)
|
|
{
|
|
const uint32_t kMaxAttributeLength = 40;
|
|
|
|
uint32_t i = 0;
|
|
while (BorrowedAttrInfo info = aElement.GetAttrInfoAt(i++)) {
|
|
aOut.AppendLiteral(" ");
|
|
if (nsAtom* prefix = info.mName->GetPrefix()) {
|
|
aOut.Append(NS_ConvertUTF16toUTF8(nsDependentAtomString(prefix)));
|
|
aOut.AppendLiteral(":");
|
|
}
|
|
aOut.Append(
|
|
NS_ConvertUTF16toUTF8(nsDependentAtomString(info.mName->LocalName())));
|
|
if (!info.mValue) {
|
|
continue;
|
|
}
|
|
aOut.AppendLiteral("=\"");
|
|
nsAutoString value;
|
|
info.mValue->ToString(value);
|
|
if (value.Length() > kMaxAttributeLength) {
|
|
value.Truncate(kMaxAttributeLength - 3);
|
|
value.AppendLiteral("...");
|
|
}
|
|
aOut.Append(NS_ConvertUTF16toUTF8(value));
|
|
aOut.AppendLiteral("\"");
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_Element_DebugListAttributes(RawGeckoElementBorrowed aElement, nsCString* aOut)
|
|
{
|
|
DebugListAttributes(*aElement, *aOut);
|
|
}
|
|
|
|
void
|
|
Gecko_Snapshot_DebugListAttributes(const ServoElementSnapshot* aSnapshot,
|
|
nsCString* aOut)
|
|
{
|
|
DebugListAttributes(*aSnapshot, *aOut);
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(css::URLValue, CSSURLValue);
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(URLExtraData, URLExtraData);
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(nsStyleCoord::Calc, Calc);
|
|
|
|
nsCSSShadowArray*
|
|
Gecko_NewCSSShadowArray(uint32_t aLen)
|
|
{
|
|
RefPtr<nsCSSShadowArray> arr = new(aLen) nsCSSShadowArray(aLen);
|
|
return arr.forget().take();
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(nsCSSShadowArray, CSSShadowArray);
|
|
|
|
nsStyleQuoteValues*
|
|
Gecko_NewStyleQuoteValues(uint32_t aLen)
|
|
{
|
|
RefPtr<nsStyleQuoteValues> values = new nsStyleQuoteValues;
|
|
values->mQuotePairs.SetLength(aLen);
|
|
return values.forget().take();
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(nsStyleQuoteValues, QuoteValues);
|
|
|
|
nsCSSValueSharedList*
|
|
Gecko_NewCSSValueSharedList(uint32_t aLen)
|
|
{
|
|
RefPtr<nsCSSValueSharedList> list = new nsCSSValueSharedList;
|
|
if (aLen == 0) {
|
|
return list.forget().take();
|
|
}
|
|
|
|
list->mHead = new nsCSSValueList;
|
|
nsCSSValueList* cur = list->mHead;
|
|
for (uint32_t i = 0; i < aLen - 1; i++) {
|
|
cur->mNext = new nsCSSValueList;
|
|
cur = cur->mNext;
|
|
}
|
|
|
|
return list.forget().take();
|
|
}
|
|
|
|
nsCSSValueSharedList*
|
|
Gecko_NewNoneTransform()
|
|
{
|
|
RefPtr<nsCSSValueSharedList> list = new nsCSSValueSharedList;
|
|
list->mHead = new nsCSSValueList;
|
|
list->mHead->mValue.SetNoneValue();
|
|
return list.forget().take();
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetNumber(nsCSSValueBorrowedMut aCSSValue, float aNumber)
|
|
{
|
|
aCSSValue->SetFloatValue(aNumber, eCSSUnit_Number);
|
|
}
|
|
|
|
float
|
|
Gecko_CSSValue_GetNumber(nsCSSValueBorrowed aCSSValue)
|
|
{
|
|
return aCSSValue->GetFloatValue();
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetKeyword(nsCSSValueBorrowedMut aCSSValue, nsCSSKeyword aKeyword)
|
|
{
|
|
aCSSValue->SetEnumValue(aKeyword);
|
|
}
|
|
|
|
nsCSSKeyword
|
|
Gecko_CSSValue_GetKeyword(nsCSSValueBorrowed aCSSValue)
|
|
{
|
|
return aCSSValue->GetKeywordValue();
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetPercentage(nsCSSValueBorrowedMut aCSSValue, float aPercent)
|
|
{
|
|
aCSSValue->SetPercentValue(aPercent);
|
|
}
|
|
|
|
float
|
|
Gecko_CSSValue_GetPercentage(nsCSSValueBorrowed aCSSValue)
|
|
{
|
|
return aCSSValue->GetPercentValue();
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetPixelLength(nsCSSValueBorrowedMut aCSSValue, float aLen)
|
|
{
|
|
MOZ_ASSERT(aCSSValue->GetUnit() == eCSSUnit_Null ||
|
|
aCSSValue->GetUnit() == eCSSUnit_Pixel);
|
|
aCSSValue->SetFloatValue(aLen, eCSSUnit_Pixel);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetCalc(nsCSSValueBorrowedMut aCSSValue, nsStyleCoord::CalcValue aCalc)
|
|
{
|
|
aCSSValue->SetCalcValue(&aCalc);
|
|
}
|
|
|
|
nsStyleCoord::CalcValue
|
|
Gecko_CSSValue_GetCalc(nsCSSValueBorrowed aCSSValue)
|
|
{
|
|
return aCSSValue->GetCalcValue();
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetFunction(nsCSSValueBorrowedMut aCSSValue, int32_t aLen)
|
|
{
|
|
nsCSSValue::Array* arr = nsCSSValue::Array::Create(aLen);
|
|
aCSSValue->SetArrayValue(arr, eCSSUnit_Function);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetString(nsCSSValueBorrowedMut aCSSValue,
|
|
const uint8_t* aString, uint32_t aLength,
|
|
nsCSSUnit aUnit)
|
|
{
|
|
MOZ_ASSERT(aCSSValue->GetUnit() == eCSSUnit_Null);
|
|
nsString string;
|
|
nsDependentCSubstring slice(reinterpret_cast<const char*>(aString),
|
|
aLength);
|
|
AppendUTF8toUTF16(slice, string);
|
|
aCSSValue->SetStringValue(string, aUnit);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetStringFromAtom(nsCSSValueBorrowedMut aCSSValue,
|
|
nsAtom* aAtom, nsCSSUnit aUnit)
|
|
{
|
|
aCSSValue->SetStringValue(nsDependentAtomString(aAtom), aUnit);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetAtomIdent(nsCSSValueBorrowedMut aCSSValue, nsAtom* aAtom)
|
|
{
|
|
aCSSValue->SetAtomIdentValue(already_AddRefed<nsAtom>(aAtom));
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetArray(nsCSSValueBorrowedMut aCSSValue, int32_t aLength)
|
|
{
|
|
MOZ_ASSERT(aCSSValue->GetUnit() == eCSSUnit_Null);
|
|
RefPtr<nsCSSValue::Array> array
|
|
= nsCSSValue::Array::Create(aLength);
|
|
aCSSValue->SetArrayValue(array, eCSSUnit_Array);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetURL(nsCSSValueBorrowedMut aCSSValue, URLValue* aURL)
|
|
{
|
|
MOZ_ASSERT(aCSSValue->GetUnit() == eCSSUnit_Null);
|
|
aCSSValue->SetURLValue(aURL);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetInt(nsCSSValueBorrowedMut aCSSValue,
|
|
int32_t aInteger, nsCSSUnit aUnit)
|
|
{
|
|
aCSSValue->SetIntValue(aInteger, aUnit);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetFloat(nsCSSValueBorrowedMut aCSSValue,
|
|
float aValue, nsCSSUnit aUnit)
|
|
{
|
|
aCSSValue->SetFloatValue(aValue, aUnit);
|
|
}
|
|
|
|
nsCSSValueBorrowedMut
|
|
Gecko_CSSValue_GetArrayItem(nsCSSValueBorrowedMut aCSSValue, int32_t aIndex)
|
|
{
|
|
return &aCSSValue->GetArrayValue()->Item(aIndex);
|
|
}
|
|
|
|
nsCSSValueBorrowed
|
|
Gecko_CSSValue_GetArrayItemConst(nsCSSValueBorrowed aCSSValue, int32_t aIndex)
|
|
{
|
|
return &aCSSValue->GetArrayValue()->Item(aIndex);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetPair(nsCSSValueBorrowedMut aCSSValue,
|
|
nsCSSValueBorrowed aXValue, nsCSSValueBorrowed aYValue)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
aCSSValue->SetPairValue(*aXValue, *aYValue);
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetList(nsCSSValueBorrowedMut aCSSValue, uint32_t aLen)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsCSSValueList* item = aCSSValue->SetListValue();
|
|
for (uint32_t i = 1; i < aLen; ++i) {
|
|
item->mNext = new nsCSSValueList;
|
|
item = item->mNext;
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetPairList(nsCSSValueBorrowedMut aCSSValue, uint32_t aLen)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsCSSValuePairList* item = aCSSValue->SetPairListValue();
|
|
for (uint32_t i = 1; i < aLen; ++i) {
|
|
item->mNext = new nsCSSValuePairList;
|
|
item = item->mNext;
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_InitSharedList(nsCSSValueBorrowedMut aCSSValue,
|
|
uint32_t aLen)
|
|
{
|
|
MOZ_ASSERT(aLen > 0, "Must create at least one nsCSSValueList (mHead)");
|
|
|
|
nsCSSValueSharedList* list = new nsCSSValueSharedList;
|
|
aCSSValue->SetSharedListValue(list);
|
|
list->mHead = new nsCSSValueList;
|
|
nsCSSValueList* cur = list->mHead;
|
|
for (uint32_t i = 1; i < aLen; ++i) {
|
|
cur->mNext = new nsCSSValueList;
|
|
cur = cur->mNext;
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_Drop(nsCSSValueBorrowedMut aCSSValue)
|
|
{
|
|
aCSSValue->~nsCSSValue();
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetFontStretch(nsCSSValueBorrowedMut aCSSValue,
|
|
float stretch)
|
|
{
|
|
aCSSValue->SetFontStretch(
|
|
FontStretch(std::min(stretch * 100.0f, float(FontStretch::kMax))));
|
|
}
|
|
|
|
// FIXME(emilio): This function should probably have `Oblique` in its name.
|
|
void
|
|
Gecko_CSSValue_SetFontSlantStyle(nsCSSValueBorrowedMut aCSSValue,
|
|
float aAngle)
|
|
{
|
|
aCSSValue->SetFontSlantStyle(mozilla::FontSlantStyle::Oblique(aAngle));
|
|
}
|
|
|
|
void
|
|
Gecko_CSSValue_SetFontWeight(nsCSSValueBorrowedMut aCSSValue,
|
|
float weight)
|
|
{
|
|
aCSSValue->SetFontWeight(mozilla::FontWeight(weight));
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleFont_SetLang(nsStyleFont* aFont, nsAtom* aAtom)
|
|
{
|
|
already_AddRefed<nsAtom> atom = already_AddRefed<nsAtom>(aAtom);
|
|
aFont->mLanguage = atom;
|
|
aFont->mExplicitLanguage = true;
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleFont_CopyLangFrom(nsStyleFont* aFont, const nsStyleFont* aSource)
|
|
{
|
|
aFont->mLanguage = aSource->mLanguage;
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleFont_FixupNoneGeneric(nsStyleFont* aFont,
|
|
RawGeckoPresContextBorrowed aPresContext)
|
|
{
|
|
const nsFont* defaultVariableFont =
|
|
ThreadSafeGetDefaultFontHelper(aPresContext, aFont->mLanguage,
|
|
kPresContext_DefaultVariableFont_ID);
|
|
nsLayoutUtils::FixupNoneGeneric(&aFont->mFont, aPresContext,
|
|
aFont->mGenericID, defaultVariableFont);
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleFont_PrefillDefaultForGeneric(nsStyleFont* aFont,
|
|
RawGeckoPresContextBorrowed aPresContext,
|
|
uint8_t aGenericId)
|
|
{
|
|
const nsFont* defaultFont = ThreadSafeGetDefaultFontHelper(aPresContext, aFont->mLanguage,
|
|
aGenericId);
|
|
// In case of just the language changing, the parent could have had no generic,
|
|
// which Gecko just does regular cascading with. Do the same.
|
|
// This can only happen in the case where the language changed but the family did not
|
|
if (aGenericId != kGenericFont_NONE) {
|
|
aFont->mFont.fontlist = defaultFont->fontlist;
|
|
} else {
|
|
aFont->mFont.fontlist.SetDefaultFontType(defaultFont->fontlist.GetDefaultFontType());
|
|
}
|
|
}
|
|
|
|
void
|
|
Gecko_nsStyleFont_FixupMinFontSize(nsStyleFont* aFont,
|
|
RawGeckoPresContextBorrowed aPresContext)
|
|
{
|
|
nscoord minFontSize;
|
|
bool needsCache = false;
|
|
|
|
{
|
|
AutoReadLock guard(*sServoFFILock);
|
|
minFontSize = aPresContext->MinFontSize(aFont->mLanguage, &needsCache);
|
|
}
|
|
|
|
if (needsCache) {
|
|
AutoWriteLock guard(*sServoFFILock);
|
|
minFontSize = aPresContext->MinFontSize(aFont->mLanguage, nullptr);
|
|
}
|
|
|
|
nsLayoutUtils::ApplyMinFontSize(aFont, aPresContext, minFontSize);
|
|
}
|
|
|
|
void
|
|
FontSizePrefs::CopyFrom(const LangGroupFontPrefs& prefs)
|
|
{
|
|
mDefaultVariableSize = prefs.mDefaultVariableFont.size;
|
|
mDefaultFixedSize = prefs.mDefaultFixedFont.size;
|
|
mDefaultSerifSize = prefs.mDefaultSerifFont.size;
|
|
mDefaultSansSerifSize = prefs.mDefaultSansSerifFont.size;
|
|
mDefaultMonospaceSize = prefs.mDefaultMonospaceFont.size;
|
|
mDefaultCursiveSize = prefs.mDefaultCursiveFont.size;
|
|
mDefaultFantasySize = prefs.mDefaultFantasyFont.size;
|
|
}
|
|
|
|
FontSizePrefs
|
|
Gecko_GetBaseSize(nsAtom* aLanguage)
|
|
{
|
|
LangGroupFontPrefs prefs;
|
|
RefPtr<nsAtom> langGroupAtom = StaticPresData::Get()->GetUncachedLangGroup(aLanguage);
|
|
|
|
prefs.Initialize(langGroupAtom);
|
|
FontSizePrefs sizes;
|
|
sizes.CopyFrom(prefs);
|
|
|
|
return sizes;
|
|
}
|
|
|
|
RawGeckoElementBorrowedOrNull
|
|
Gecko_GetBindingParent(RawGeckoElementBorrowed aElement)
|
|
{
|
|
nsIContent* parent = aElement->GetBindingParent();
|
|
return parent ? parent->AsElement() : nullptr;
|
|
}
|
|
|
|
RawServoAuthorStylesBorrowedOrNull
|
|
Gecko_XBLBinding_GetRawServoStyles(RawGeckoXBLBindingBorrowed aXBLBinding)
|
|
{
|
|
return aXBLBinding->GetServoStyles();
|
|
}
|
|
|
|
bool
|
|
Gecko_XBLBinding_InheritsStyle(RawGeckoXBLBindingBorrowed aXBLBinding)
|
|
{
|
|
return aXBLBinding->InheritsStyle();
|
|
}
|
|
|
|
static StaticRefPtr<UACacheReporter> gUACacheReporter;
|
|
|
|
void
|
|
InitializeServo()
|
|
{
|
|
URLExtraData::InitDummy();
|
|
Servo_Initialize(URLExtraData::Dummy());
|
|
|
|
gUACacheReporter = new UACacheReporter();
|
|
RegisterWeakMemoryReporter(gUACacheReporter);
|
|
|
|
sServoFFILock = new RWLock("Servo::FFILock");
|
|
}
|
|
|
|
void
|
|
ShutdownServo()
|
|
{
|
|
MOZ_ASSERT(sServoFFILock);
|
|
|
|
UnregisterWeakMemoryReporter(gUACacheReporter);
|
|
gUACacheReporter = nullptr;
|
|
|
|
delete sServoFFILock;
|
|
Servo_Shutdown();
|
|
}
|
|
|
|
namespace mozilla {
|
|
|
|
void
|
|
AssertIsMainThreadOrServoFontMetricsLocked()
|
|
{
|
|
if (!NS_IsMainThread()) {
|
|
MOZ_ASSERT(sServoFFILock &&
|
|
sServoFFILock->LockedForWritingByCurrentThread());
|
|
}
|
|
}
|
|
|
|
} // namespace mozilla
|
|
|
|
GeckoFontMetrics
|
|
Gecko_GetFontMetrics(RawGeckoPresContextBorrowed aPresContext,
|
|
bool aIsVertical,
|
|
const nsStyleFont* aFont,
|
|
nscoord aFontSize,
|
|
bool aUseUserFontSet)
|
|
{
|
|
AutoWriteLock guard(*sServoFFILock);
|
|
GeckoFontMetrics ret;
|
|
|
|
// Getting font metrics can require some main thread only work to be
|
|
// done, such as work that needs to touch non-threadsafe refcounted
|
|
// objects (like the DOM FontFace/FontFaceSet objects), network loads, etc.
|
|
//
|
|
// To handle this work, font code checks whether we are in a Servo traversal
|
|
// and if so, appends PostTraversalTasks to the current ServoStyleSet
|
|
// to be performed immediately after the traversal is finished. This
|
|
// works well for starting downloadable font loads, since we don't have
|
|
// those fonts available to get metrics for anyway. Platform fonts and
|
|
// ArrayBuffer-backed FontFace objects are handled synchronously.
|
|
|
|
nsPresContext* presContext = const_cast<nsPresContext*>(aPresContext);
|
|
presContext->SetUsesExChUnits(true);
|
|
RefPtr<nsFontMetrics> fm = nsLayoutUtils::GetMetricsFor(
|
|
presContext, aIsVertical, aFont, aFontSize, aUseUserFontSet,
|
|
nsLayoutUtils::FlushUserFontSet::No);
|
|
|
|
ret.mXSize = fm->XHeight();
|
|
gfxFloat zeroWidth = fm->GetThebesFontGroup()->GetFirstValidFont()->
|
|
GetMetrics(fm->Orientation()).zeroOrAveCharWidth;
|
|
ret.mChSize = ceil(aPresContext->AppUnitsPerDevPixel() * zeroWidth);
|
|
return ret;
|
|
}
|
|
|
|
int32_t
|
|
Gecko_GetAppUnitsPerPhysicalInch(RawGeckoPresContextBorrowed aPresContext)
|
|
{
|
|
nsPresContext* presContext = const_cast<nsPresContext*>(aPresContext);
|
|
return presContext->DeviceContext()->AppUnitsPerPhysicalInch();
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(SheetLoadDataHolder, SheetLoadDataHolder);
|
|
|
|
void
|
|
Gecko_StyleSheet_FinishAsyncParse(SheetLoadDataHolder* aData,
|
|
RawServoStyleSheetContentsStrong aSheetContents)
|
|
{
|
|
RefPtr<SheetLoadDataHolder> loadData = aData;
|
|
RefPtr<RawServoStyleSheetContents> sheetContents = aSheetContents.Consume();
|
|
NS_DispatchToMainThread(NS_NewRunnableFunction(__func__,
|
|
[d = std::move(loadData),
|
|
s = std::move(sheetContents)]() mutable {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
d->get()->mSheet->FinishAsyncParse(s.forget());
|
|
}));
|
|
}
|
|
|
|
static already_AddRefed<StyleSheet>
|
|
LoadImportSheet(css::Loader* aLoader,
|
|
StyleSheet* aParent,
|
|
SheetLoadData* aParentLoadData,
|
|
css::LoaderReusableStyleSheets* aReusableSheets,
|
|
css::URLValue* aURL,
|
|
already_AddRefed<RawServoMediaList> aMediaList)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aLoader, "Should've catched this before");
|
|
MOZ_ASSERT(aParent, "Only used for @import, so parent should exist!");
|
|
MOZ_ASSERT(aURL, "Invalid URLs shouldn't be loaded!");
|
|
|
|
RefPtr<dom::MediaList> media = new MediaList(std::move(aMediaList));
|
|
nsCOMPtr<nsIURI> uri = aURL->GetURI();
|
|
nsresult rv = uri ? NS_OK : NS_ERROR_FAILURE;
|
|
|
|
StyleSheet* previousFirstChild = aParent->GetFirstChild();
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = aLoader->LoadChildSheet(aParent, aParentLoadData, uri, media, aReusableSheets);
|
|
}
|
|
|
|
if (NS_FAILED(rv) ||
|
|
!aParent->GetFirstChild() ||
|
|
aParent->GetFirstChild() == previousFirstChild) {
|
|
// Servo and Gecko have different ideas of what a valid URL is, so we might
|
|
// get in here with a URL string that NS_NewURI can't handle. We may also
|
|
// reach here via an import cycle. For the import cycle case, we need some
|
|
// sheet object per spec, even if its empty. DevTools uses the URI to
|
|
// realize it has hit an import cycle, so we mark it complete to make the
|
|
// sheet readable from JS.
|
|
RefPtr<StyleSheet> emptySheet =
|
|
aParent->CreateEmptyChildSheet(media.forget());
|
|
// Make a dummy URI if we don't have one because some methods assume
|
|
// non-null URIs.
|
|
if (!uri) {
|
|
NS_NewURI(getter_AddRefs(uri), NS_LITERAL_CSTRING("about:invalid"));
|
|
}
|
|
emptySheet->SetURIs(uri, uri, uri);
|
|
emptySheet->SetPrincipal(aURL->mExtraData->GetPrincipal());
|
|
emptySheet->SetComplete();
|
|
aParent->PrependStyleSheet(emptySheet);
|
|
return emptySheet.forget();
|
|
}
|
|
|
|
RefPtr<StyleSheet> sheet =
|
|
static_cast<StyleSheet*>(aParent->GetFirstChild());
|
|
return sheet.forget();
|
|
}
|
|
|
|
StyleSheet*
|
|
Gecko_LoadStyleSheet(css::Loader* aLoader,
|
|
StyleSheet* aParent,
|
|
SheetLoadData* aParentLoadData,
|
|
css::LoaderReusableStyleSheets* aReusableSheets,
|
|
ServoBundledURI aServoURL,
|
|
RawServoMediaListStrong aMediaList)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
RefPtr<css::URLValue> url = aServoURL.IntoCssUrl();
|
|
return LoadImportSheet(aLoader, aParent, aParentLoadData, aReusableSheets,
|
|
url, aMediaList.Consume()).take();
|
|
}
|
|
|
|
void
|
|
Gecko_LoadStyleSheetAsync(css::SheetLoadDataHolder* aParentData,
|
|
ServoBundledURI aServoURL,
|
|
RawServoMediaListStrong aMediaList,
|
|
RawServoImportRuleStrong aImportRule)
|
|
{
|
|
RefPtr<SheetLoadDataHolder> loadData = aParentData;
|
|
RefPtr<css::URLValue> urlVal = aServoURL.IntoCssUrl();
|
|
RefPtr<RawServoMediaList> mediaList = aMediaList.Consume();
|
|
RefPtr<RawServoImportRule> importRule = aImportRule.Consume();
|
|
NS_DispatchToMainThread(NS_NewRunnableFunction(__func__,
|
|
[data = std::move(loadData),
|
|
url = std::move(urlVal),
|
|
media = std::move(mediaList),
|
|
import = std::move(importRule)]() mutable {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
SheetLoadData* d = data->get();
|
|
RefPtr<StyleSheet> sheet =
|
|
LoadImportSheet(d->mLoader, d->mSheet, d, nullptr, url, media.forget());
|
|
Servo_ImportRule_SetSheet(import, sheet);
|
|
}));
|
|
}
|
|
|
|
nsCSSKeyword
|
|
Gecko_LookupCSSKeyword(const uint8_t* aString, uint32_t aLength)
|
|
{
|
|
nsDependentCSubstring keyword(reinterpret_cast<const char*>(aString), aLength);
|
|
return nsCSSKeywords::LookupKeyword(keyword);
|
|
}
|
|
|
|
const char*
|
|
Gecko_CSSKeywordString(nsCSSKeyword aKeyword, uint32_t* aLength)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aLength);
|
|
const nsCString& value = nsCSSKeywords::GetStringValue(aKeyword);
|
|
*aLength = value.Length();
|
|
return value.get();
|
|
}
|
|
|
|
void
|
|
Gecko_AddPropertyToSet(nsCSSPropertyIDSetBorrowedMut aPropertySet,
|
|
nsCSSPropertyID aProperty)
|
|
{
|
|
aPropertySet->AddProperty(aProperty);
|
|
}
|
|
|
|
NS_IMPL_THREADSAFE_FFI_REFCOUNTING(nsCSSValueSharedList, CSSValueSharedList);
|
|
|
|
#define STYLE_STRUCT(name) \
|
|
\
|
|
void \
|
|
Gecko_Construct_Default_nsStyle##name(nsStyle##name* ptr, \
|
|
const nsPresContext* pres_context) \
|
|
{ \
|
|
new (ptr) nsStyle##name(pres_context); \
|
|
} \
|
|
\
|
|
void \
|
|
Gecko_CopyConstruct_nsStyle##name(nsStyle##name* ptr, \
|
|
const nsStyle##name* other) \
|
|
{ \
|
|
new (ptr) nsStyle##name(*other); \
|
|
} \
|
|
\
|
|
void \
|
|
Gecko_Destroy_nsStyle##name(nsStyle##name* ptr) \
|
|
{ \
|
|
ptr->~nsStyle##name(); \
|
|
}
|
|
|
|
void
|
|
Gecko_RegisterProfilerThread(const char* name)
|
|
{
|
|
PROFILER_REGISTER_THREAD(name);
|
|
}
|
|
|
|
void
|
|
Gecko_UnregisterProfilerThread()
|
|
{
|
|
PROFILER_UNREGISTER_THREAD();
|
|
}
|
|
|
|
bool
|
|
Gecko_DocumentRule_UseForPresentation(RawGeckoPresContextBorrowed aPresContext,
|
|
const nsACString* aPattern,
|
|
css::DocumentMatchingFunction aMatchingFunction)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
nsIDocument *doc = aPresContext->Document();
|
|
nsIURI *docURI = doc->GetDocumentURI();
|
|
nsAutoCString docURISpec;
|
|
if (docURI) {
|
|
// If GetSpec fails (due to OOM) just skip these URI-specific CSS rules.
|
|
nsresult rv = docURI->GetSpec(docURISpec);
|
|
NS_ENSURE_SUCCESS(rv, false);
|
|
}
|
|
|
|
return CSSMozDocumentRule::Match(doc, docURI, docURISpec, *aPattern,
|
|
aMatchingFunction);
|
|
}
|
|
|
|
void
|
|
Gecko_SetJemallocThreadLocalArena(bool enabled)
|
|
{
|
|
#if defined(MOZ_MEMORY)
|
|
jemalloc_thread_local_arena(enabled);
|
|
#endif
|
|
}
|
|
|
|
#include "nsStyleStructList.h"
|
|
|
|
#undef STYLE_STRUCT
|
|
|
|
bool
|
|
Gecko_ErrorReportingEnabled(const StyleSheet* aSheet, const Loader* aLoader)
|
|
{
|
|
return ErrorReporter::ShouldReportErrors(aSheet, aLoader);
|
|
}
|
|
|
|
void
|
|
Gecko_ReportUnexpectedCSSError(const StyleSheet* aSheet,
|
|
const Loader* aLoader,
|
|
nsIURI* aURI,
|
|
const char* message,
|
|
const char* param,
|
|
uint32_t paramLen,
|
|
const char* prefix,
|
|
const char* prefixParam,
|
|
uint32_t prefixParamLen,
|
|
const char* suffix,
|
|
const char* source,
|
|
uint32_t sourceLen,
|
|
uint32_t lineNumber,
|
|
uint32_t colNumber)
|
|
{
|
|
MOZ_RELEASE_ASSERT(NS_IsMainThread());
|
|
|
|
ErrorReporter reporter(aSheet, aLoader, aURI);
|
|
|
|
if (prefix) {
|
|
if (prefixParam) {
|
|
nsDependentCSubstring paramValue(prefixParam, prefixParamLen);
|
|
nsAutoString wideParam = NS_ConvertUTF8toUTF16(paramValue);
|
|
reporter.ReportUnexpectedUnescaped(prefix, wideParam);
|
|
} else {
|
|
reporter.ReportUnexpected(prefix);
|
|
}
|
|
}
|
|
|
|
if (param) {
|
|
nsDependentCSubstring paramValue(param, paramLen);
|
|
nsAutoString wideParam = NS_ConvertUTF8toUTF16(paramValue);
|
|
reporter.ReportUnexpectedUnescaped(message, wideParam);
|
|
} else {
|
|
reporter.ReportUnexpected(message);
|
|
}
|
|
|
|
if (suffix) {
|
|
reporter.ReportUnexpected(suffix);
|
|
}
|
|
nsDependentCSubstring sourceValue(source, sourceLen);
|
|
reporter.OutputError(lineNumber, colNumber, sourceValue);
|
|
}
|
|
|
|
void
|
|
Gecko_AddBufferToCrashReport(const void* addr, size_t len)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsCOMPtr<nsICrashReporter> cr = do_GetService("@mozilla.org/toolkit/crash-reporter;1");
|
|
NS_ENSURE_TRUE_VOID(cr);
|
|
cr->RegisterAppMemory((uint64_t) addr, len);
|
|
}
|
|
|
|
void
|
|
Gecko_AnnotateCrashReport(const char* key_str, const char* value_str)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsDependentCString key(key_str);
|
|
nsDependentCString value(value_str);
|
|
nsCOMPtr<nsICrashReporter> cr = do_GetService("@mozilla.org/toolkit/crash-reporter;1");
|
|
NS_ENSURE_TRUE_VOID(cr);
|
|
cr->AnnotateCrashReport(key, value);
|
|
}
|
|
|
|
void
|
|
Gecko_ContentList_AppendAll(
|
|
nsSimpleContentList* aList,
|
|
const Element** aElements,
|
|
size_t aLength)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aElements);
|
|
MOZ_ASSERT(aLength);
|
|
MOZ_ASSERT(aList);
|
|
|
|
aList->SetCapacity(aLength);
|
|
|
|
for (size_t i = 0; i < aLength; ++i) {
|
|
aList->AppendElement(const_cast<Element*>(aElements[i]));
|
|
}
|
|
}
|
|
|
|
const nsTArray<Element*>*
|
|
Gecko_Document_GetElementsWithId(const nsIDocument* aDoc, nsAtom* aId)
|
|
{
|
|
MOZ_ASSERT(aDoc);
|
|
MOZ_ASSERT(aId);
|
|
|
|
return aDoc->GetAllElementsForId(nsDependentAtomString(aId));
|
|
}
|
|
|
|
const nsTArray<Element*>*
|
|
Gecko_ShadowRoot_GetElementsWithId(const ShadowRoot* aShadowRoot, nsAtom* aId)
|
|
{
|
|
MOZ_ASSERT(aShadowRoot);
|
|
MOZ_ASSERT(aId);
|
|
|
|
return aShadowRoot->GetAllElementsForId(nsDependentAtomString(aId));
|
|
}
|
|
|
|
bool
|
|
Gecko_GetBoolPrefValue(const char* aPrefName)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return Preferences::GetBool(aPrefName);
|
|
}
|
|
|
|
bool
|
|
Gecko_IsInServoTraversal()
|
|
{
|
|
return ServoStyleSet::IsInServoTraversal();
|
|
}
|
|
|
|
bool
|
|
Gecko_IsMainThread()
|
|
{
|
|
return NS_IsMainThread();
|
|
}
|