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/*
* Copyright (C) 2019 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. AND ITS 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 APPLE INC. OR ITS 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 "ClipboardItemDataSource.h"
#include "ExceptionCode.h"
#include "FileReaderLoaderClient.h"
#include <variant>
#include <wtf/WeakPtr.h>
namespace WebCore {
class Blob;
class SharedBuffer;
class DOMPromise;
class WeakPtrImplWithEventTargetData;
class FileReaderLoader;
class PasteboardCustomData;
class ScriptExecutionContext;
class ClipboardItemBindingsDataSource : public ClipboardItemDataSource {
WTF_MAKE_FAST_ALLOCATED;
public:
ClipboardItemBindingsDataSource(ClipboardItem&, Vector<KeyValuePair<String, RefPtr<DOMPromise>>>&&);
~ClipboardItemBindingsDataSource();
private:
Vector<String> types() const final;
void getType(const String&, Ref<DeferredPromise>&&) final;
void collectDataForWriting(Clipboard& destination, CompletionHandler<void(std::optional<PasteboardCustomData>)>&&) final;
void clearItemTypeLoaders();
void invokeCompletionHandler();
using BufferOrString = std::variant<String, Ref<SharedBuffer>>;
class ClipboardItemTypeLoader : public FileReaderLoaderClient, public RefCounted<ClipboardItemTypeLoader> {
public:
static Ref<ClipboardItemTypeLoader> create(Clipboard& writingDestination, const String& type, CompletionHandler<void()>&& completionHandler)
{
return adoptRef(*new ClipboardItemTypeLoader(writingDestination, type, WTFMove(completionHandler)));
}
~ClipboardItemTypeLoader();
void didResolveToString(const String&);
void didFailToResolve();
void didResolveToBlob(ScriptExecutionContext&, Ref<Blob>&&);
void invokeCompletionHandler();
const String& type() { return m_type; }
const BufferOrString& data() { return m_data; }
private:
ClipboardItemTypeLoader(Clipboard&, const String& type, CompletionHandler<void()>&&);
void sanitizeDataIfNeeded();
String dataAsString() const;
// FileReaderLoaderClient methods.
void didStartLoading() final { }
void didReceiveData() final { }
void didFinishLoading() final;
void didFail(ExceptionCode) final;
String m_type;
BufferOrString m_data;
std::unique_ptr<FileReaderLoader> m_blobLoader;
CompletionHandler<void()> m_completionHandler;
WeakPtr<Clipboard, WeakPtrImplWithEventTargetData> m_writingDestination;
};
unsigned m_numberOfPendingClipboardTypes { 0 };
CompletionHandler<void(std::optional<PasteboardCustomData>)> m_completionHandler;
Vector<Ref<ClipboardItemTypeLoader>> m_itemTypeLoaders;
WeakPtr<Clipboard, WeakPtrImplWithEventTargetData> m_writingDestination;
Vector<KeyValuePair<String, RefPtr<DOMPromise>>> m_itemPromises;
};
} // namespace WebCore
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