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- // Copyright 2017 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 SERVICES_DEVICE_HID_HID_CONNECTION_IMPL_H_
- #define SERVICES_DEVICE_HID_HID_CONNECTION_IMPL_H_
- #include "base/memory/ref_counted.h"
- #include "mojo/public/cpp/bindings/remote.h"
- #include "services/device/hid/hid_connection.h"
- #include "services/device/public/mojom/hid.mojom.h"
- namespace device {
- // HidConnectionImpl is reponsible for handling mojo communications from
- // clients. It delegates to HidConnection the real work of creating
- // connections in different platforms.
- class HidConnectionImpl final : public mojom::HidConnection,
- public HidConnection::Client {
- public:
- // Creates a strongly-bound HidConnectionImpl owned by |receiver| and
- // |watcher|. |connection| provides access to the HID device. If
- // |connection_client| is bound, it will be notified when input reports are
- // received. |watcher|, if bound, will be disconnected when the connection is
- // closed.
- static void Create(
- scoped_refptr<device::HidConnection> connection,
- mojo::PendingReceiver<mojom::HidConnection> receiver,
- mojo::PendingRemote<mojom::HidConnectionClient> connection_client,
- mojo::PendingRemote<mojom::HidConnectionWatcher> watcher);
- HidConnectionImpl(const HidConnectionImpl&) = delete;
- HidConnectionImpl& operator=(const HidConnectionImpl&) = delete;
- // HidConnection::Client implementation:
- void OnInputReport(scoped_refptr<base::RefCountedBytes> buffer,
- size_t size) override;
- // mojom::HidConnection implementation:
- void Read(ReadCallback callback) override;
- void Write(uint8_t report_id,
- const std::vector<uint8_t>& buffer,
- WriteCallback callback) override;
- void GetFeatureReport(uint8_t report_id,
- GetFeatureReportCallback callback) override;
- void SendFeatureReport(uint8_t report_id,
- const std::vector<uint8_t>& buffer,
- SendFeatureReportCallback callback) override;
- private:
- friend class HidConnectionImplTest;
- HidConnectionImpl(
- scoped_refptr<device::HidConnection> connection,
- mojo::PendingReceiver<mojom::HidConnection> receiver,
- mojo::PendingRemote<mojom::HidConnectionClient> connection_client,
- mojo::PendingRemote<mojom::HidConnectionWatcher> watcher);
- ~HidConnectionImpl() final;
- void OnRead(ReadCallback callback,
- bool success,
- scoped_refptr<base::RefCountedBytes> buffer,
- size_t size);
- void OnWrite(WriteCallback callback, bool success);
- void OnGetFeatureReport(GetFeatureReportCallback callback,
- bool success,
- scoped_refptr<base::RefCountedBytes> buffer,
- size_t size);
- void OnSendFeatureReport(SendFeatureReportCallback callback, bool success);
- mojo::Receiver<mojom::HidConnection> receiver_;
- scoped_refptr<device::HidConnection> hid_connection_;
- // Client interfaces.
- mojo::Remote<mojom::HidConnectionClient> client_;
- mojo::Remote<mojom::HidConnectionWatcher> watcher_;
- base::WeakPtrFactory<HidConnectionImpl> weak_factory_{this};
- };
- } // namespace device
- #endif // SERVICES_DEVICE_HID_HID_CONNECTION_IMPL_H_
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