зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.9 KiB
C++
118 строки
3.9 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 "AnimValuesStyleRule.h"
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#include "nsRuleData.h"
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#include "nsStyleContext.h"
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namespace mozilla {
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NS_IMPL_ISUPPORTS(AnimValuesStyleRule, nsIStyleRule)
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void
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AnimValuesStyleRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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nsStyleContext *contextParent = aRuleData->mStyleContext->GetParent();
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if (contextParent && contextParent->HasPseudoElementData()) {
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// Don't apply transitions or animations to things inside of
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// pseudo-elements.
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// FIXME (Bug 522599): Add tests for this.
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// Prevent structs from being cached on the rule node since we're inside
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// a pseudo-element, as we could determine cacheability differently
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// when walking the rule tree for a style context that is not inside
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// a pseudo-element. Note that nsRuleNode::GetStyle##name_ and GetStyleData
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// will never look at cached structs when we're animating things inside
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// a pseduo-element, so that we don't incorrectly return a struct that
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// is only appropriate for non-pseudo-elements.
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aRuleData->mConditions.SetUncacheable();
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return;
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}
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for (auto iter = mAnimationValues.ConstIter(); !iter.Done(); iter.Next()) {
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nsCSSPropertyID property = static_cast<nsCSSPropertyID>(iter.Key());
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if (aRuleData->mSIDs & nsCachedStyleData::GetBitForSID(
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nsCSSProps::kSIDTable[property])) {
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nsCSSValue *prop = aRuleData->ValueFor(property);
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if (prop->GetUnit() == eCSSUnit_Null) {
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DebugOnly<bool> ok =
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StyleAnimationValue::UncomputeValue(property, iter.Data(),
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*prop);
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MOZ_ASSERT(ok, "could not store computed value");
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}
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}
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}
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}
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bool
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AnimValuesStyleRule::MightMapInheritedStyleData()
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{
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return mStyleBits & NS_STYLE_INHERITED_STRUCT_MASK;
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}
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bool
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AnimValuesStyleRule::GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
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nsCSSValue* aValue)
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{
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MOZ_ASSERT(false, "GetDiscretelyAnimatedCSSValue is not implemented yet");
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return false;
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}
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void
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AnimValuesStyleRule::AddValue(nsCSSPropertyID aProperty,
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const StyleAnimationValue &aValue)
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{
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MOZ_ASSERT(aProperty != eCSSProperty_UNKNOWN,
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"Unexpected css property");
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mAnimationValues.Put(aProperty, aValue);
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mStyleBits |=
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nsCachedStyleData::GetBitForSID(nsCSSProps::kSIDTable[aProperty]);
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}
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void
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AnimValuesStyleRule::AddValue(nsCSSPropertyID aProperty,
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StyleAnimationValue&& aValue)
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{
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MOZ_ASSERT(aProperty != eCSSProperty_UNKNOWN,
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"Unexpected css property");
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mAnimationValues.Put(aProperty, Move(aValue));
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mStyleBits |=
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nsCachedStyleData::GetBitForSID(nsCSSProps::kSIDTable[aProperty]);
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}
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bool
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AnimValuesStyleRule::GetValue(nsCSSPropertyID aProperty,
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StyleAnimationValue& aValue) const
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{
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return mAnimationValues.Get(aProperty, &aValue);
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}
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#ifdef DEBUG
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void
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AnimValuesStyleRule::List(FILE* out, int32_t aIndent) const
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{
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nsAutoCString str;
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for (int32_t index = aIndent; --index >= 0; ) {
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str.AppendLiteral(" ");
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}
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str.AppendLiteral("[anim values] { ");
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for (auto iter = mAnimationValues.ConstIter(); !iter.Done(); iter.Next()) {
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nsCSSPropertyID property = static_cast<nsCSSPropertyID>(iter.Key());
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str.Append(nsCSSProps::GetStringValue(property));
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str.AppendLiteral(": ");
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nsAutoString value;
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Unused <<
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StyleAnimationValue::UncomputeValue(property, iter.Data(), value);
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AppendUTF16toUTF8(value, str);
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str.AppendLiteral("; ");
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}
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str.AppendLiteral("}\n");
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fprintf_stderr(out, "%s", str.get());
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}
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#endif
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} // namespace mozilla
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