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// Copyright (c) 2014 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.

package org.cef.handler;

import org.cef.browser.CefBrowser;
import org.cef.callback.CefDragData;

import java.awt.*;
import java.nio.ByteBuffer;

/**
 * An abstract adapter class for receiving render events.
 * The methods in this class are empty.
 * This class exists as convenience for creating handler objects.
 */
public abstract class CefRenderHandlerAdapter implements CefRenderHandler {
    @Override
    public void onCursorChange(CefBrowser browser, int cursorIdentifer) {
        return;
    }

    @Override
    public Rectangle getViewRect(CefBrowser browser) {
        return new Rectangle(0, 0, 0, 0);
    }

    @Override
    public Point getScreenPoint(CefBrowser browser, Point viewPoint) {
        return new Point(0, 0);
    }

    @Override
    public void onPopupShow(CefBrowser browser, boolean show) {}

    @Override
    public void onPopupSize(CefBrowser browser, Rectangle size) {}

    @Override
    public void onPaint(CefBrowser browser, boolean popup, Rectangle[] dirtyRects,
                        ByteBuffer buffer, int width, int height) {}

    @Override
    public boolean startDragging(CefBrowser browser, CefDragData dragData, int mask, int x, int y) {
        return false;
    }

    @Override
    public void updateDragCursor(CefBrowser browser, int operation) {}
}