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// Copyright 2019 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/wayland_data_device_base.h"
#include <utility>
#include "base/logging.h"
#include "ui/ozone/platform/wayland/common/wayland_util.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"
#include "ui/ozone/platform/wayland/host/wayland_data_offer_base.h"
namespace ui {
WaylandDataDeviceBase::WaylandDataDeviceBase(WaylandConnection* connection)
: connection_(connection) {}
WaylandDataDeviceBase::~WaylandDataDeviceBase() = default;
const std::vector<std::string>& WaylandDataDeviceBase::GetAvailableMimeTypes()
const {
if (!data_offer_) {
static std::vector<std::string> dummy;
return dummy;
}
return data_offer_->mime_types();
}
PlatformClipboard::Data WaylandDataDeviceBase::ReadSelectionData(
const std::string& mime_type) {
if (!data_offer_)
return {};
base::ScopedFD fd = data_offer_->Receive(mime_type);
connection_->Flush();
if (!fd.is_valid()) {
DPLOG(ERROR) << "Failed to open file descriptor.";
return {};
}
// Do a roundtrip to ensure the above request reaches the server and the
// resulting events get processed. Otherwise, the source client won’t send any
// data, thus getting the owning thread stuck at the blocking read call below.
connection_->RoundTripQueue();
std::vector<uint8_t> contents;
wl::ReadDataFromFD(std::move(fd), &contents);
return base::MakeRefCounted<base::RefCountedBytes>(std::move(contents));
}
void WaylandDataDeviceBase::ResetDataOffer() {
data_offer_.reset();
}
void WaylandDataDeviceBase::NotifySelectionOffer(
WaylandDataOfferBase* offer) const {
if (selection_offer_callback_)
selection_offer_callback_.Run(offer);
}
} // namespace ui
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