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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_DATA_OFFER_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_DATA_OFFER_H_
#include <string>
#include "base/files/scoped_file.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
#include "ui/ozone/platform/wayland/host/wayland_data_offer_base.h"
namespace ui {
// This class represents a piece of data offered for transfer by another
// client, the source client (see WaylandDataSource for more).
// It is used by the copy-and-paste and drag-and-drop mechanisms.
//
// The offer describes the different mime types that the data can be
// converted to and provides the mechanism for transferring the data
// directly from the source client.
class WaylandDataOffer : public WaylandDataOfferBase {
public:
// Takes ownership of data_offer.
explicit WaylandDataOffer(wl_data_offer* data_offer);
WaylandDataOffer(const WaylandDataOffer&) = delete;
WaylandDataOffer& operator=(const WaylandDataOffer&) = delete;
~WaylandDataOffer() override;
void Accept(uint32_t serial, const std::string& mime_type);
void Reject(uint32_t serial);
void FinishOffer();
// WaylandDataOfferBase overrides:
base::ScopedFD Receive(const std::string& mime_type) override;
uint32_t source_actions() const { return source_actions_; }
uint32_t dnd_action() const { return dnd_action_; }
void SetDndActions(uint32_t dnd_actions);
uint32_t id() const { return data_offer_.id(); }
private:
// wl_data_offer_listener callbacks:
static void OnOffer(void* data,
wl_data_offer* data_offer,
const char* mime_type);
// Notifies the source-side available actions
static void OnSourceActions(void* data,
wl_data_offer* offer,
uint32_t source_actions);
// Notifies the selected action
static void OnAction(void* data, wl_data_offer* offer, uint32_t dnd_action);
wl::Object<wl_data_offer> data_offer_;
// Actions offered by the data source
uint32_t source_actions_;
// Action selected by the compositor
uint32_t dnd_action_;
// Whether a MIME type was accepted.
bool mime_type_accepted_ = false;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_DATA_OFFER_H_
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