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// Copyright (c) 2013 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//
#ifndef CEF_INCLUDE_CEF_DRAG_HANDLER_H_
#define CEF_INCLUDE_CEF_DRAG_HANDLER_H_
#pragma once
#include "include/cef_base.h"
#include "include/cef_drag_data.h"
#include "include/cef_browser.h"
///
// Implement this interface to handle events related to dragging. The methods of
// this class will be called on the UI thread.
///
/*--cef(source=client)--*/
class CefDragHandler : public virtual CefBaseRefCounted {
public:
typedef cef_drag_operations_mask_t DragOperationsMask;
///
// Called when an external drag event enters the browser window. |dragData|
// contains the drag event data and |mask| represents the type of drag
// operation. Return false for default drag handling behavior or true to
// cancel the drag event.
///
/*--cef()--*/
virtual bool OnDragEnter(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDragData> dragData,
DragOperationsMask mask) { return false; }
///
// Called whenever draggable regions for the browser window change. These can
// be specified using the '-webkit-app-region: drag/no-drag' CSS-property. If
// draggable regions are never defined in a document this method will also
// never be called. If the last draggable region is removed from a document
// this method will be called with an empty vector.
///
/*--cef()--*/
virtual void OnDraggableRegionsChanged(
CefRefPtr<CefBrowser> browser,
const std::vector<CefDraggableRegion>& regions) {}
};
#endif // CEF_INCLUDE_CEF_DRAG_HANDLER_H_