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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.CefNative;
import org.cef.callback.CefPrintDialogCallback;
import org.cef.callback.CefPrintJobCallback;
import org.cef.misc.CefPrintSettings;

/**
 * Implement this interface to handle printing on Linux. The methods of this
 * class will be called on the browser process UI thread.
 */
public interface CefPrintHandler extends CefNative {

  /**
   * Called when printing has started for the specified |browser|. This method
   * will be called before the other onPrint*() methods and irrespective of how
   * printing was initiated (e.g. CefBrowser::print(), JavaScript window.print()
   * or PDF extension print button).
   */
  void onPrintStart(CefBrowser browser);

  /**
   * Synchronize |settings| with client state. If |get_defaults| is true then
   * populate |settings| with the default print settings. Do not keep a
   * reference to |settings| outside of this callback.
   */
  void onPrintSettings(CefPrintSettings settings, boolean get_defaults);

  /**
   * Show the print dialog. Execute |callback| once the dialog is dismissed.
   * Return true if the dialog will be displayed or false to cancel the
   * printing immediately.
   *
  */
  boolean onPrintDialog(boolean has_selection, 
                        CefPrintDialogCallback callback);

  /**
   * Send the print job to the printer. Execute |callback| once the job is
   * completed. Return true if the job will proceed or false to cancel the job
   * immediately.
   */
  boolean onPrintJob(String document_name,
                     String pdf_file_path,
                     CefPrintJobCallback callback);

  /**
   * Reset client state related to printing.
   */
  void onPrintReset();
}