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/*
* Copyright (C) 2013 DroidDriver committers
*
* 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 io.appium.droiddriver.scroll;
import io.appium.droiddriver.DroidDriver;
import io.appium.droiddriver.UiElement;
import io.appium.droiddriver.finders.Finder;
import io.appium.droiddriver.scroll.Direction.DirectionConverter;
import io.appium.droiddriver.scroll.Direction.PhysicalDirection;
/**
* An abstract base class for implementing the <a
* href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>,
* forwarding calls to all methods of {@link ScrollStepStrategy} to delegate.
*/
public abstract class ForwardingScrollStepStrategy implements ScrollStepStrategy {
protected ForwardingScrollStepStrategy() {}
/**
* Returns the backing delegate instance that methods are forwarded to.
*/
protected abstract ScrollStepStrategy delegate();
public boolean scroll(DroidDriver driver, Finder containerFinder, PhysicalDirection direction) {
return delegate().scroll(driver, containerFinder, direction);
}
@Override
public final DirectionConverter getDirectionConverter() {
return delegate().getDirectionConverter();
}
@Override
public void beginScrolling(DroidDriver driver, Finder containerFinder, Finder itemFinder,
PhysicalDirection direction) {
delegate().beginScrolling(driver, containerFinder, itemFinder, direction);
}
@Override
public void endScrolling(DroidDriver driver, Finder containerFinder, Finder itemFinder,
PhysicalDirection direction) {
delegate().endScrolling(driver, containerFinder, itemFinder, direction);
}
@Override
public void doScroll(UiElement container, PhysicalDirection direction) {
delegate().doScroll(container, direction);
}
}
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