/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#import "WXComponent.h"

@interface WXComponent (PseudoClassManagement)

/**
 *  @abstract filter common styles and pseudoClassStyles.
 *
 */
-(NSMutableDictionary *)parseStyles:(NSDictionary *)styles;

/**
 *  @abstract filter common styles and pseudoClassStyles.
 *
 */
-(NSString *)getPseudoKey:(NSString *)key;

/**
 *  @abstract get pseudo class styles through key.
 *
 *  @param key      the key to search pseudo class
 *
 *  @return pseudo class.
 */
-(NSMutableDictionary *)getPseudoClassStyles:(NSString *)key;

/**
 *  @abstract get pseudo class styles through keys.
 *
 *  @param keys      the keys to search pseudo class
 *  
 *  @return pseudo class.
 */
-(NSMutableDictionary *)getPseudoClassStylesByKeys:(NSArray *)keys;

///--------------------------------------
/// @name Updating PseudoClass
///--------------------------------------

/**
 * @abstract Called when component's style are updated
 *
 * @param pseudoClassStyles The updated style dictionary
 * @discussion It can be overrided to handle specific style updating. The method is called on the main thread.
 **/
- (void)updatePseudoClassStyles:(NSDictionary *)pseudoClassStyles;

///--------------------------------------
/// @name recovery styles
///--------------------------------------

/**
 * @abstract Called when component recovery styles
 *
 * @discussion It can be overrided to handle specific style recovery. The method is called on the main thread.
 **/
- (void)recoveryPseudoStyles:(NSDictionary *)styles;

@end