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* Copyright (C) 2019 Apple Inc. All rights reserved.
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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
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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#include "ClipboardItemDataSource.h"
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#include "FileReaderLoaderClient.h"
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#include <wtf/Optional.h>
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#include <wtf/Variant.h>
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#include <wtf/WeakPtr.h>
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class FileReaderLoader;
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class PasteboardCustomData;
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class ScriptExecutionContext;
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class ClipboardItemBindingsDataSource : public ClipboardItemDataSource {
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WTF_MAKE_FAST_ALLOCATED;
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ClipboardItemBindingsDataSource(ClipboardItem&, Vector<KeyValuePair<String, RefPtr<DOMPromise>>>&&);
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~ClipboardItemBindingsDataSource();
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Vector<String> types() const final;
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void getType(const String&, Ref<DeferredPromise>&&) final;
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void collectDataForWriting(Clipboard& destination, CompletionHandler<void(Optional<PasteboardCustomData>)>&&) final;
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void invokeCompletionHandler();
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using BufferOrString = Variant<String, Ref<SharedBuffer>>;
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class ClipboardItemTypeLoader : public FileReaderLoaderClient, public RefCounted<ClipboardItemTypeLoader>, public CanMakeWeakPtr<ClipboardItemTypeLoader> {
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static Ref<ClipboardItemTypeLoader> create(const String& type, CompletionHandler<void()>&& completionHandler)
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return adoptRef(*new ClipboardItemTypeLoader(type, WTFMove(completionHandler)));
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~ClipboardItemTypeLoader();
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void didResolveToString(const String&);
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void didFailToResolve();
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void didResolveToBlob(ScriptExecutionContext&, Ref<Blob>&&);
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const String& type() { return m_type; }
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const BufferOrString& data() { return m_data; }
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ClipboardItemTypeLoader(const String& type, CompletionHandler<void()>&&);
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void sanitizeDataIfNeeded();
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void invokeCompletionHandler();
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// FileReaderLoaderClient methods.
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void didStartLoading() final { }
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void didReceiveData() final { }
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void didFinishLoading() final;
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void didFail(int) final;
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BufferOrString m_data;
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std::unique_ptr<FileReaderLoader> m_blobLoader;
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CompletionHandler<void()> m_completionHandler;
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unsigned m_numberOfPendingClipboardTypes { 0 };
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CompletionHandler<void(Optional<PasteboardCustomData>)> m_completionHandler;
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Vector<Ref<ClipboardItemTypeLoader>> m_itemTypeLoaders;
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WeakPtr<Clipboard> m_writingDestination;
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Vector<KeyValuePair<String, RefPtr<DOMPromise>>> m_itemPromises;
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} // namespace WebCore