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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_SERIAL_SERIAL_SERVICE_H_
#define CONTENT_BROWSER_SERIAL_SERIAL_SERVICE_H_
#include <memory>
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/render_document_host_user_data.h"
#include "content/public/browser/serial_delegate.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote_set.h"
#include "services/device/public/mojom/serial.mojom.h"
#include "third_party/blink/public/mojom/serial/serial.mojom.h"
namespace content {
class RenderFrameHost;
class SerialChooser;
class SerialService
: public blink::mojom::SerialService,
public SerialDelegate::Observer,
public device::mojom::SerialPortConnectionWatcher,
public content::RenderDocumentHostUserData<SerialService> {
public:
explicit SerialService(RenderFrameHost* render_frame_host);
~SerialService() override;
void Bind(mojo::PendingReceiver<blink::mojom::SerialService> receiver);
// SerialService implementation
void SetClient(
mojo::PendingRemote<blink::mojom::SerialServiceClient> client) override;
void GetPorts(GetPortsCallback callback) override;
void RequestPort(std::vector<blink::mojom::SerialPortFilterPtr> filters,
RequestPortCallback callback) override;
void OpenPort(const base::UnguessableToken& token,
device::mojom::SerialConnectionOptionsPtr options,
mojo::PendingRemote<device::mojom::SerialPortClient> client,
OpenPortCallback callback) override;
// SerialDelegate::Observer implementation
void OnPortAdded(const device::mojom::SerialPortInfo& port) override;
void OnPortRemoved(const device::mojom::SerialPortInfo& port) override;
void OnPortManagerConnectionError() override;
private:
friend class content::RenderDocumentHostUserData<SerialService>;
void FinishGetPorts(GetPortsCallback callback,
std::vector<device::mojom::SerialPortInfoPtr> ports);
void FinishRequestPort(RequestPortCallback callback,
device::mojom::SerialPortInfoPtr port);
void OnWatcherConnectionError();
void DecrementActiveFrameCount();
// This raw pointer is safe because instances of this class are owned by
// RenderFrameHostImpl.
RenderFrameHost* const render_frame_host_;
mojo::ReceiverSet<blink::mojom::SerialService> receivers_;
mojo::RemoteSet<blink::mojom::SerialServiceClient> clients_;
// The last shown serial port chooser UI.
std::unique_ptr<SerialChooser> chooser_;
// Each pipe here watches a connection created by GetPort() in order to notify
// the WebContentsImpl when an active connection indicator should be shown.
mojo::ReceiverSet<device::mojom::SerialPortConnectionWatcher> watchers_;
base::WeakPtrFactory<SerialService> weak_factory_{this};
RENDER_DOCUMENT_HOST_USER_DATA_KEY_DECL();
DISALLOW_COPY_AND_ASSIGN(SerialService);
};
} // namespace content
#endif // CONTENT_BROWSER_SERIAL_SERIAL_SERVICE_H_
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