Package com.google.common.css.compiler.passes

Class ProcessKeyframes

java.lang.Object

com.google.common.css.compiler.ast.DefaultTreeVisitor

com.google.common.css.compiler.passes.ProcessKeyframes

All Implemented Interfaces:

AtRuleHandler, CssCompilerPass, CssTreeVisitor

public class ProcessKeyframes
extends DefaultTreeVisitor
implements CssCompilerPass

Compiler pass which ensures that @keyframes rules are only allowed if they are enabled. In addition this pass checks if the keys are between 0% and 100%. If CSS simplification is enabled, "from" is replaced by "0%" and "100%" is replaced by "to".

Constructor Summary

Constructors

Constructor	Description
ProcessKeyframes(VisitController visitController, ErrorManager errorManager, boolean keyframesAllowed, boolean simplifyCss)

Method Summary

Modifier and Type	Method	Description
boolean	enterKey(CssKeyNode node)	Called before visiting a CssKeyNode's sub trees
boolean	enterKeyframesRule(CssKeyframesNode node)	Called before visiting a CssKeyframesNode's sub trees
void	runPass()

Methods inherited from class com.google.common.css.compiler.ast.DefaultTreeVisitor

enterArgumentNode, enterAttributeSelector, enterBlock, enterCharSet, enterClassSelector, enterCombinator, enterComponent, enterCompositeValueNode, enterCompositeValueNodeOperator, enterConditionalBlock, enterConditionalRule, enterDeclaration, enterDeclarationBlock, enterDefinition, enterFontFace, enterForLoop, enterFunctionNode, enterIdSelector, enterImportBlock, enterImportRule, enterKeyBlock, enterKeyframeRuleset, enterMediaRule, enterMediaTypeListDelimiter, enterMixin, enterMixinDefinition, enterPageRule, enterPageSelector, enterPropertyValue, enterProvideNode, enterPseudoClass, enterPseudoElement, enterRequireNode, enterRuleset, enterSelector, enterSelectorBlock, enterTree, enterUnknownAtRule, enterValueNode, leaveArgumentNode, leaveAttributeSelector, leaveBlock, leaveCharSet, leaveClassSelector, leaveCombinator, leaveComponent, leaveCompositeValueNode, leaveCompositeValueNodeOperator, leaveConditionalBlock, leaveConditionalRule, leaveDeclaration, leaveDeclarationBlock, leaveDefinition, leaveFontFace, leaveForLoop, leaveFunctionNode, leaveIdSelector, leaveImportBlock, leaveImportRule, leaveKey, leaveKeyBlock, leaveKeyframeRuleset, leaveKeyframesRule, leaveMediaRule, leaveMediaTypeListDelimiter, leaveMixin, leaveMixinDefinition, leavePageRule, leavePageSelector, leavePropertyValue, leaveProvideNode, leavePseudoClass, leavePseudoElement, leaveRequireNode, leaveRuleset, leaveSelector, leaveSelectorBlock, leaveTree, leaveUnknownAtRule, leaveValueNode

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProcessKeyframes

public ProcessKeyframes(VisitController visitController,
                        ErrorManager errorManager,
                        boolean keyframesAllowed,
                        boolean simplifyCss)

Method Detail

enterKeyframesRule

public boolean enterKeyframesRule(CssKeyframesNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssKeyframesNode's sub trees

Specified by:

enterKeyframesRule in interface AtRuleHandler

Overrides:

enterKeyframesRule in class DefaultTreeVisitor

Parameters:

node - node

enterKey

public boolean enterKey(CssKeyNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssKeyNode's sub trees

Specified by:

enterKey in interface CssTreeVisitor

Overrides:

enterKey in class DefaultTreeVisitor

runPass

public void runPass()

Specified by:

runPass in interface CssCompilerPass