Source/WebCore/page/DragActions.h

/*
 * Copyright (C) 2007-2018 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. 
 */

#pragma once

#include <limits.h>
#include <wtf/Forward.h>

namespace WebCore {

// WebCoreDragDestinationAction should be kept in sync with WebDragDestinationAction.
typedef enum {
    DragDestinationActionNone    = 0,
    DragDestinationActionDHTML   = 1,
    DragDestinationActionEdit    = 2,
    DragDestinationActionLoad    = 4,
    DragDestinationActionAny     = UINT_MAX
} DragDestinationAction;

// WebCoreDragSourceAction should be kept in sync with WebDragSourceAction.
typedef enum {
    DragSourceActionNone         = 0,
    DragSourceActionDHTML        = 1,
    DragSourceActionImage        = 2,
    DragSourceActionLink         = 4,
    DragSourceActionSelection    = 8,
#if ENABLE(ATTACHMENT_ELEMENT)
    DragSourceActionAttachment   = 16,
#endif
#if ENABLE(INPUT_TYPE_COLOR)
    DragSourceActionColor        = 32,
#endif
    DragSourceActionAny          = UINT_MAX
} DragSourceAction;

// Matches NSDragOperation.
typedef enum {
    DragOperationNone    = 0,
    DragOperationCopy    = 1,
    DragOperationLink    = 2,
    DragOperationGeneric = 4,
    DragOperationPrivate = 8,
    DragOperationMove    = 16,
    DragOperationDelete  = 32,
    DragOperationEvery   = UINT_MAX
} DragOperation;

enum class MayExtendDragSession : bool { No, Yes };
enum class HasNonDefaultPasteboardData : bool { No, Yes };
enum class DragHandlingMethod : uint8_t { None, EditPlainText, EditRichText, UploadFile, PageLoad, SetColor, NonDefault };

} // namespace WebCore

namespace WTF {

template<> struct EnumTraits<WebCore::DragHandlingMethod> {
    using values = EnumValues<
        WebCore::DragHandlingMethod,
        WebCore::DragHandlingMethod::None,
        WebCore::DragHandlingMethod::EditPlainText,
        WebCore::DragHandlingMethod::EditRichText,
        WebCore::DragHandlingMethod::UploadFile,
        WebCore::DragHandlingMethod::PageLoad,
        WebCore::DragHandlingMethod::SetColor,
        WebCore::DragHandlingMethod::NonDefault
    >;
};

} // namespace WTF