64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
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/*
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* Deskflow -- mouse and keyboard sharing utility
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* SPDX-FileCopyrightText: (C) 2026 Synergy App Ltd
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* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
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*/
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#pragma once
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#include "deskflow/IClipboard.h"
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#include <QByteArray>
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#include <libportal/portal.h>
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namespace deskflow {
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class EiClipboard;
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class PortalClipboard
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{
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public:
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struct SupportedMime
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{
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const char *mime;
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IClipboard::Format format;
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};
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// Listed in preference order: richer formats first.
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static constexpr SupportedMime kSupportedMimes[] = {
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{"image/png", IClipboard::Format::Bitmap},
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{"text/plain;charset=utf-8", IClipboard::Format::Text},
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{"text/plain", IClipboard::Format::Text},
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};
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static constexpr int kReadTimeoutMs = 200;
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static constexpr int kWriteTimeoutMs = 200;
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static constexpr qint64 kChunkBytes = 64 * 1024;
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static QByteArray formatMimeTypes(const char *const *mimeTypes);
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static const SupportedMime *findSupportedMime(const char *mime);
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static const SupportedMime *pickSupportedMime(const char *const *available);
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static QByteArray encodeFormat(IClipboard::Format format, const QByteArray &data);
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static QByteArray decodeFormat(IClipboard::Format format, const QByteArray &bytes);
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static QByteArray readSelectionBytes(XdpSession *session, const char *mime, qint64 maxBytes);
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/// Advertise the cache's formats to the portal selection.
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static void claimOwnership(EiClipboard *cache, XdpSession *session);
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/// Respond to a selection-transfer signal by writing the cache's bytes for
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/// \p mime to the portal-provided fd. Always calls write_done.
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static void serveSelectionTransfer(EiClipboard *cache, XdpSession *session, const char *mime, uint32_t serial);
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/// Read every supported format offered by the portal into the cache.
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/// Returns true if any data was deposited.
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static bool
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readSelectionIntoCache(EiClipboard *cache, XdpSession *session, const char *const *mimeTypes, qint64 maxBytes);
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private:
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static QByteArray dibToBmp(const QByteArray &dib);
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static QByteArray bmpToDib(const QByteArray &bmp);
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};
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} // namespace deskflow
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