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- /*
- * Copyright 2000-2018 Vaadin Ltd.
- *
- * 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 com.vaadin.server;
-
- import java.io.Serializable;
-
- /**
- * <p>
- * This interface is implemented by all visual objects that can be scrolled
- * programmatically from the server-side. The unit of scrolling is pixel.
- * </p>
- *
- * @author Vaadin Ltd.
- * @since 3.0
- */
- public interface Scrollable extends Serializable {
-
- /**
- * Gets scroll left offset.
- *
- * <p>
- * Scrolling offset is the number of pixels this scrollable has been
- * scrolled right.
- * </p>
- *
- * @return Horizontal scrolling position in pixels.
- */
- public int getScrollLeft();
-
- /**
- * Sets scroll left offset.
- *
- * <p>
- * Scrolling offset is the number of pixels this scrollable has been
- * scrolled right.
- * </p>
- *
- * @param scrollLeft
- * the xOffset.
- */
- public void setScrollLeft(int scrollLeft);
-
- /**
- * Gets scroll top offset.
- *
- * <p>
- * Scrolling offset is the number of pixels this scrollable has been
- * scrolled down.
- * </p>
- *
- * @return Vertical scrolling position in pixels.
- */
- public int getScrollTop();
-
- /**
- * Sets scroll top offset.
- *
- * <p>
- * Scrolling offset is the number of pixels this scrollable has been
- * scrolled down.
- * </p>
- *
- * <p>
- * The scrolling position is limited by the current height of the content
- * area. If the position is below the height, it is scrolled to the bottom.
- * However, if the same response also adds height to the content area,
- * scrolling to bottom only scrolls to the bottom of the previous content
- * area.
- * </p>
- *
- * @param scrollTop
- * the yOffset.
- */
- public void setScrollTop(int scrollTop);
-
- }
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