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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 EXTENSIONS_BROWSER_API_SERIAL_SERIAL_PORT_MANAGER_H_
#define EXTENSIONS_BROWSER_API_SERIAL_SERIAL_PORT_MANAGER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/threading/thread_checker.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/api/api_resource_manager.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/common/api/serial.h"
#include "extensions/common/extension_id.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/device/public/mojom/serial.mojom.h"
namespace content {
class BrowserContext;
}
namespace extensions {
struct Event;
class SerialConnection;
namespace api {
// Per-browser-context dispatcher for events on serial connections.
class SerialPortManager : public BrowserContextKeyedAPI {
public:
using OpenPortCallback =
base::OnceCallback<void(mojo::PendingRemote<device::mojom::SerialPort>)>;
static SerialPortManager* Get(content::BrowserContext* context);
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<SerialPortManager>* GetFactoryInstance();
explicit SerialPortManager(content::BrowserContext* context);
SerialPortManager(const SerialPortManager&) = delete;
SerialPortManager& operator=(const SerialPortManager&) = delete;
~SerialPortManager() override;
void GetDevices(
device::mojom::SerialPortManager::GetDevicesCallback callback);
void OpenPort(const std::string& path,
device::mojom::SerialConnectionOptionsPtr options,
mojo::PendingRemote<device::mojom::SerialPortClient> client,
OpenPortCallback callback);
// Start the poilling process for the connection.
void StartConnectionPolling(const ExtensionId& extension_id,
int connection_id);
// Allows tests to override how this class binds SerialPortManager receivers.
using Binder = base::RepeatingCallback<void(
mojo::PendingReceiver<device::mojom::SerialPortManager>)>;
static void OverrideBinderForTesting(Binder binder);
private:
using ConnectionData = ApiResourceManager<SerialConnection>::ApiResourceData;
friend class BrowserContextKeyedAPIFactory<SerialPortManager>;
// BrowserContextKeyedAPI implementation.
static const char* service_name() { return "SerialPortManager"; }
static const bool kServiceHasOwnInstanceInIncognito = true;
static const bool kServiceIsNULLWhileTesting = true;
struct ReceiveParams {
ReceiveParams();
ReceiveParams(const ReceiveParams& other);
~ReceiveParams();
raw_ptr<void> browser_context_id;
ExtensionId extension_id;
scoped_refptr<ConnectionData> connections;
int connection_id;
};
static void DispatchReceiveEvent(const ReceiveParams& params,
std::vector<uint8_t> data,
serial::ReceiveError error);
static void DispatchEvent(const ReceiveParams& params,
std::unique_ptr<extensions::Event> event);
void EnsureConnection();
void OnGotDevicesToGetPort(
const std::string& path,
device::mojom::SerialConnectionOptionsPtr options,
mojo::PendingRemote<device::mojom::SerialPortClient> client,
OpenPortCallback callback,
std::vector<device::mojom::SerialPortInfoPtr> devices);
void OnPortManagerConnectionError();
mojo::Remote<device::mojom::SerialPortManager> port_manager_;
content::BrowserThread::ID thread_id_;
scoped_refptr<ConnectionData> connections_;
const raw_ptr<content::BrowserContext> context_;
THREAD_CHECKER(thread_checker_);
base::WeakPtrFactory<SerialPortManager> weak_factory_{this};
};
} // namespace api
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_SERIAL_SERIAL_PORT_MANAGER_H_
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