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/*
* Copyright (C) 2007-2020 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 "Color.h"
#include "DragActions.h"
#include "IntPoint.h"
#include "PageIdentifier.h"
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/OptionSet.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
#if PLATFORM(MAC)
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#import <AppKit/NSDragging.h>
typedef id <NSDraggingInfo> DragDataRef;
#else
typedef void* DragDataRef;
#endif
#elif PLATFORM(WIN)
typedef struct IDataObject* DragDataRef;
#elif PLATFORM(GTK)
namespace WebCore {
class SelectionData;
}
typedef WebCore::SelectionData* DragDataRef;
#else
typedef void* DragDataRef;
#endif
namespace WebCore {
enum class DragApplicationFlags : uint8_t {
IsModal = 1,
IsSource = 2,
HasAttachedSheet = 4,
IsCopyKeyDown = 8
};
class PasteboardContext;
#if PLATFORM(WIN)
typedef UncheckedKeyHashMap<unsigned, Vector<String>> DragDataMap;
#endif
class DragData {
public:
enum FilenameConversionPolicy { DoNotConvertFilenames, ConvertFilenames };
enum class DraggingPurpose { ForEditing, ForFileUpload, ForColorControl };
// clientPosition is taken to be the position of the drag event within the target window, with (0,0) at the top left
WEBCORE_EXPORT DragData(DragDataRef, const IntPoint& clientPosition, const IntPoint& globalPosition, OptionSet<DragOperation>, OptionSet<DragApplicationFlags> = { }, OptionSet<DragDestinationAction> = anyDragDestinationAction(), std::optional<PageIdentifier> pageID = std::nullopt);
WEBCORE_EXPORT DragData(
#if PLATFORM(COCOA)
const String& dragStorageName,
#endif
const IntPoint& clientPosition, const IntPoint& globalPosition, OptionSet<DragOperation>, OptionSet<DragApplicationFlags> = { }, OptionSet<DragDestinationAction> = anyDragDestinationAction(), std::optional<PageIdentifier> pageID = std::nullopt);
#if PLATFORM(COCOA)
WEBCORE_EXPORT DragData(const String& dragStorageName, const IntPoint& clientPosition, const IntPoint& globalPosition, const Vector<String>&, OptionSet<DragOperation>, OptionSet<DragApplicationFlags> = { }, OptionSet<DragDestinationAction> = anyDragDestinationAction(), std::optional<PageIdentifier> pageID = std::nullopt);
#endif
// This constructor should used only by WebKit2 IPC because DragData
// is initialized by the decoder and not in the constructor.
DragData() = default;
#if PLATFORM(WIN)
WEBCORE_EXPORT DragData(const DragDataMap&, const IntPoint& clientPosition, const IntPoint& globalPosition, OptionSet<DragOperation> sourceOperationMask, OptionSet<DragApplicationFlags> = { }, std::optional<PageIdentifier> pageID = std::nullopt);
const DragDataMap& dragDataMap();
void getDragFileDescriptorData(int& size, String& pathname);
void getDragFileContentData(int size, void* dataBlob);
#endif
const IntPoint& clientPosition() const { return m_clientPosition; }
const IntPoint& globalPosition() const { return m_globalPosition; }
void setClientPosition(const IntPoint& clientPosition) { m_clientPosition = clientPosition; }
OptionSet<DragApplicationFlags> flags() const { return m_applicationFlags; }
DragDataRef platformData() const { return m_platformDragData; }
OptionSet<DragOperation> draggingSourceOperationMask() const { return m_draggingSourceOperationMask; }
bool containsURL(FilenameConversionPolicy = ConvertFilenames) const;
bool containsPlainText() const;
bool containsCompatibleContent(DraggingPurpose = DraggingPurpose::ForEditing) const;
String asURL(FilenameConversionPolicy = ConvertFilenames, String* title = nullptr) const;
String asPlainText() const;
Vector<String> asFilenames() const;
Color asColor() const;
bool canSmartReplace() const;
bool containsColor() const;
bool containsFiles() const;
unsigned numberOfFiles() const;
OptionSet<DragDestinationAction> dragDestinationActionMask() const { return m_dragDestinationActionMask; }
void setFileNames(Vector<String>& fileNames) { m_fileNames = WTFMove(fileNames); }
const Vector<String>& fileNames() const { return m_fileNames; }
void disallowFileAccess();
#if PLATFORM(COCOA)
const String& pasteboardName() const { return m_pasteboardName; }
bool containsURLTypeIdentifier() const;
bool containsPromise() const;
#endif
bool shouldMatchStyleOnDrop() const;
std::optional<PageIdentifier> pageID() const { return m_pageID; }
std::unique_ptr<PasteboardContext> createPasteboardContext() const;
private:
IntPoint m_clientPosition;
IntPoint m_globalPosition;
DragDataRef m_platformDragData { NULL };
OptionSet<DragOperation> m_draggingSourceOperationMask;
OptionSet<DragApplicationFlags> m_applicationFlags;
Vector<String> m_fileNames;
OptionSet<DragDestinationAction> m_dragDestinationActionMask;
std::optional<PageIdentifier> m_pageID;
#if PLATFORM(COCOA)
String m_pasteboardName;
#endif
#if PLATFORM(WIN)
DragDataMap m_dragDataMap;
#endif
bool m_disallowFileAccess { false };
};
} // namespace WebCore
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