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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.CefBeforeDownloadCallback;
import org.cef.callback.CefDownloadItem;
import org.cef.callback.CefDownloadItemCallback;

/**
 * Implement this interface to handle file downloads. The methods of this class
 * will called on the browser process UI thread.
 */
public interface CefDownloadHandler {
    /**
     * Called before a download begins. By default the download will be canceled.
     * Execute callback either asynchronously or in this method to continue the download
     * if desired.
     *
     * @param browser The desired browser.
     * @param downloadItem The item to be downloaded. Do not keep a reference to it outside this
     * method.
     * @param suggestedName is the suggested name for the download file.
     * @param callback start the download by calling the Continue method
     */
    public void onBeforeDownload(CefBrowser browser, CefDownloadItem downloadItem,
                                 String suggestedName, CefBeforeDownloadCallback callback);

    /**
     * Called when a download's status or progress information has been updated.
     * @param browser The desired browser.
     * @param downloadItem The downloading item.
     * @param callback Execute callback to cancel the download
     */
    public void onDownloadUpdated(
            CefBrowser browser, CefDownloadItem downloadItem, CefDownloadItemCallback callback);
}