/*******************************************************************************
 * Copyright 2014 JHC Systems Limited
 *
 * Licensed 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.
 *******************************************************************************/
package jhc.redsniff.webdriver.matchers;

import static jhc.redsniff.webdriver.matchers.ElementDisplayedMatcher.ElementDisplayedState.DISPLAYED;
import static jhc.redsniff.webdriver.matchers.ElementDisplayedMatcher.ElementDisplayedState.HIDDEN;
import static org.hamcrest.Matchers.is;

import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.openqa.selenium.WebElement;

public class ElementDisplayedMatcher extends ElementStateMatcher<ElementDisplayedMatcher.ElementDisplayedState>{

    protected static enum ElementDisplayedState{
        DISPLAYED, HIDDEN;
        @Override
        public String toString() {
            return super.toString().toLowerCase();
        }
    }
    
    public ElementDisplayedMatcher(ElementDisplayedState expectedSelectionState) {
        super(is(expectedSelectionState), "", "element");
    }
    
    @Override
    protected ElementDisplayedState stateOf(WebElement element) {
        return element.isDisplayed()?DISPLAYED:HIDDEN;
    }

    @Factory
    public static Matcher<WebElement> isDisplayed(){
        return new ElementDisplayedMatcher(DISPLAYED);
    }
    
    @Factory
    public static Matcher<WebElement> isHidden(){
        return new ElementDisplayedMatcher(HIDDEN);
    }
}