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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/wayland/host/zwp_primary_selection_offer.h"
#include <primary-selection-unstable-v1-client-protocol.h>
#include <fcntl.h>
#include <algorithm>
#include "base/check.h"
#include "base/containers/contains.h"
#include "base/files/file_util.h"
#include "ui/base/clipboard/clipboard_constants.h"
namespace ui {
ZwpPrimarySelectionOffer::ZwpPrimarySelectionOffer(
zwp_primary_selection_offer_v1* data_offer)
: data_offer_(data_offer) {
static constexpr zwp_primary_selection_offer_v1_listener
kPrimarySelectionOfferListener = {.offer = &OnOffer};
zwp_primary_selection_offer_v1_add_listener(
data_offer, &kPrimarySelectionOfferListener, this);
}
ZwpPrimarySelectionOffer::~ZwpPrimarySelectionOffer() {
data_offer_.reset();
}
base::ScopedFD ZwpPrimarySelectionOffer::Receive(const std::string& mime_type) {
if (!base::Contains(mime_types(), mime_type))
return base::ScopedFD();
base::ScopedFD read_fd;
base::ScopedFD write_fd;
PCHECK(base::CreatePipe(&read_fd, &write_fd));
// If we needed to forcibly write "text/plain" as an available
// mimetype, then it is safer to "read" the clipboard data with
// a mimetype mime_type known to be available.
std::string effective_mime_type = mime_type;
if (mime_type == kMimeTypePlainText && text_plain_mime_type_inserted()) {
effective_mime_type = kMimeTypeUtf8PlainText;
}
zwp_primary_selection_offer_v1_receive(
data_offer_.get(), effective_mime_type.data(), write_fd.get());
return read_fd;
}
// static
void ZwpPrimarySelectionOffer::OnOffer(
void* data,
zwp_primary_selection_offer_v1* data_offer,
const char* mime_type) {
auto* self = static_cast<ZwpPrimarySelectionOffer*>(data);
self->AddMimeType(mime_type);
}
} // namespace ui
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