ClipboardItemBindingsDataSource.h [plain text]
#pragma once
#include "ClipboardItemDataSource.h"
#include "ExceptionCode.h"
#include "FileReaderLoaderClient.h"
#include <wtf/Optional.h>
#include <wtf/Variant.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class Blob;
class DOMPromise;
class FileReaderLoader;
class PasteboardCustomData;
class ScriptExecutionContext;
class SharedBuffer;
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(Optional<PasteboardCustomData>)>&&) final;
void invokeCompletionHandler();
using BufferOrString = Variant<String, Ref<SharedBuffer>>;
class ClipboardItemTypeLoader : public FileReaderLoaderClient, public RefCounted<ClipboardItemTypeLoader> {
public:
static Ref<ClipboardItemTypeLoader> create(const String& type, CompletionHandler<void()>&& completionHandler)
{
return adoptRef(*new ClipboardItemTypeLoader(type, WTFMove(completionHandler)));
}
~ClipboardItemTypeLoader();
void didResolveToString(const String&);
void didFailToResolve();
void didResolveToBlob(ScriptExecutionContext&, Ref<Blob>&&);
const String& type() { return m_type; }
const BufferOrString& data() { return m_data; }
private:
ClipboardItemTypeLoader(const String& type, CompletionHandler<void()>&&);
void sanitizeDataIfNeeded();
void invokeCompletionHandler();
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;
};
unsigned m_numberOfPendingClipboardTypes { 0 };
CompletionHandler<void(Optional<PasteboardCustomData>)> m_completionHandler;
Vector<Ref<ClipboardItemTypeLoader>> m_itemTypeLoaders;
WeakPtr<Clipboard> m_writingDestination;
Vector<KeyValuePair<String, RefPtr<DOMPromise>>> m_itemPromises;
};
}