blob: 2c5fa1e721a5e3eaf025e7f64a38517637dbbb11 [file] [log] [blame]
// 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 "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/pending_receiver.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 device::mojom::SerialPortConnectionWatcher {
public:
explicit SerialService(RenderFrameHost* render_frame_host);
~SerialService() override;
void Bind(blink::mojom::SerialServiceRequest request);
// SerialService implementation
void GetPorts(GetPortsCallback callback) override;
void RequestPort(std::vector<blink::mojom::SerialPortFilterPtr> filters,
RequestPortCallback callback) override;
void GetPort(
const base::UnguessableToken& token,
mojo::PendingReceiver<device::mojom::SerialPort> receiver) override;
private:
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::BindingSet<blink::mojom::SerialService> bindings_;
// 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::BindingSet<device::mojom::SerialPortConnectionWatcher> watchers_;
base::WeakPtrFactory<SerialService> weak_factory_{this};
DISALLOW_COPY_AND_ASSIGN(SerialService);
};
} // namespace content
#endif // CONTENT_BROWSER_SERIAL_SERIAL_SERVICE_H_