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CefDialogHandler.java
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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.CefFileDialogCallback;
import java.util.Vector;
/**
* Implement this interface to handle dialog events. The methods of this class
* will be called on the browser process UI thread.
*/
public interface CefDialogHandler {
/**
* Supported file dialog modes.
*/
enum FileDialogMode {
FILE_DIALOG_OPEN, //!< Requires that the file exists before allowing the user to pick it.
FILE_DIALOG_OPEN_MULTIPLE, //!< Like Open, but allows picking multiple files to open.
FILE_DIALOG_SAVE //!< Allows picking a nonexistent file, and prompts to overwrite if the
//! file already exists.
}
/**
* Called to run a file chooser dialog.
*
* @param browser
* @param mode represents the type of dialog to display.
* @param title to be used for the dialog and may be empty to show the default
* title ("Open" or "Save" depending on the mode).
* @param defaultFilePath is the path with optional directory and/or file name
* component that should be initially selected in the dialog.
* @param acceptFilters are used to restrict the selectable file types and may
* any combination of (a) valid lower-cased MIME types (e.g. "text/*" or
* "image/*"), (b) individual file extensions (e.g. ".txt" or ".png"), or (c)
* combined description and file extension delimited using "|" and ";" (e.g.
* "Image Types|.png;.gif;.jpg").
* @param acceptExtensions provides the semicolon-delimited expansion of MIME
* types to file extensions (if known, or empty string otherwise).
* @param acceptDescriptions provides the descriptions for MIME types (if known,
* or empty string otherwise). For example, the "image/*" mime type might
* have extensions ".png;.jpg;.bmp;..." and description "Image Files".
* @param callback is a callback handler for handling own file dialogs.
*
* @return To display a custom dialog return true and execute callback.
* To display the default dialog return false.
*/
public boolean onFileDialog(CefBrowser browser, FileDialogMode mode, String title,
String defaultFilePath, Vector<String> acceptFilters, Vector<String> acceptExtensions,
Vector<String> acceptDescriptions, CefFileDialogCallback callback);
}