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