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// Copyright 2014 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_HID_HID_API_H_
#define EXTENSIONS_BROWSER_API_HID_HID_API_H_
#include <stddef.h>
#include <string>
#include "base/memory/raw_ptr.h"
#include "extensions/browser/api/api_resource_manager.h"
#include "extensions/browser/api/hid/hid_connection_resource.h"
#include "extensions/browser/api/hid/hid_device_manager.h"
#include "extensions/browser/extension_function.h"
#include "extensions/common/api/hid.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "services/device/public/mojom/hid.mojom.h"
namespace extensions {
class HidGetDevicesFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.getDevices", HID_GETDEVICES)
HidGetDevicesFunction();
HidGetDevicesFunction(const HidGetDevicesFunction&) = delete;
HidGetDevicesFunction& operator=(const HidGetDevicesFunction&) = delete;
private:
~HidGetDevicesFunction() override;
// ExtensionFunction:
ResponseAction Run() override;
void OnEnumerationComplete(base::Value::List devices);
};
class HidConnectFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.connect", HID_CONNECT)
HidConnectFunction();
HidConnectFunction(const HidConnectFunction&) = delete;
HidConnectFunction& operator=(const HidConnectFunction&) = delete;
private:
~HidConnectFunction() override;
// ExtensionFunction:
ResponseAction Run() override;
void OnConnectComplete(
mojo::PendingRemote<device::mojom::HidConnection> connection);
raw_ptr<ApiResourceManager<HidConnectionResource>> connection_manager_;
};
class HidDisconnectFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.disconnect", HID_DISCONNECT)
HidDisconnectFunction();
HidDisconnectFunction(const HidDisconnectFunction&) = delete;
HidDisconnectFunction& operator=(const HidDisconnectFunction&) = delete;
private:
~HidDisconnectFunction() override;
// ExtensionFunction:
ResponseAction Run() override;
};
// Base class for extension functions that start some asynchronous work after
// looking up a HidConnection.
class HidConnectionIoFunction : public ExtensionFunction {
public:
HidConnectionIoFunction();
protected:
~HidConnectionIoFunction() override;
// Returns true if params were successfully read from |args()|.
virtual bool ReadParameters() = 0;
virtual void StartWork(device::mojom::HidConnection* connection) = 0;
void set_connection_id(int connection_id) { connection_id_ = connection_id; }
private:
// ExtensionFunction:
ResponseAction Run() override;
int connection_id_;
};
class HidReceiveFunction : public HidConnectionIoFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.receive", HID_RECEIVE)
HidReceiveFunction();
HidReceiveFunction(const HidReceiveFunction&) = delete;
HidReceiveFunction& operator=(const HidReceiveFunction&) = delete;
private:
~HidReceiveFunction() override;
// HidConnectionIoFunction:
bool ReadParameters() override;
void StartWork(device::mojom::HidConnection* connection) override;
void OnFinished(bool success,
uint8_t report_id,
const std::optional<std::vector<uint8_t>>& buffer);
std::optional<api::hid::Receive::Params> parameters_;
};
class HidSendFunction : public HidConnectionIoFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.send", HID_SEND)
HidSendFunction();
HidSendFunction(const HidSendFunction&) = delete;
HidSendFunction& operator=(const HidSendFunction&) = delete;
private:
~HidSendFunction() override;
// HidConnectionIoFunction:
bool ReadParameters() override;
void StartWork(device::mojom::HidConnection* connection) override;
void OnFinished(bool success);
std::optional<api::hid::Send::Params> parameters_;
};
class HidReceiveFeatureReportFunction : public HidConnectionIoFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.receiveFeatureReport",
HID_RECEIVEFEATUREREPORT)
HidReceiveFeatureReportFunction();
HidReceiveFeatureReportFunction(const HidReceiveFeatureReportFunction&) =
delete;
HidReceiveFeatureReportFunction& operator=(
const HidReceiveFeatureReportFunction&) = delete;
private:
~HidReceiveFeatureReportFunction() override;
// HidConnectionIoFunction:
bool ReadParameters() override;
void StartWork(device::mojom::HidConnection* connection) override;
void OnFinished(bool success,
const std::optional<std::vector<uint8_t>>& buffer);
std::optional<api::hid::ReceiveFeatureReport::Params> parameters_;
};
class HidSendFeatureReportFunction : public HidConnectionIoFunction {
public:
DECLARE_EXTENSION_FUNCTION("hid.sendFeatureReport", HID_SENDFEATUREREPORT)
HidSendFeatureReportFunction();
HidSendFeatureReportFunction(const HidSendFeatureReportFunction&) = delete;
HidSendFeatureReportFunction& operator=(const HidSendFeatureReportFunction&) =
delete;
private:
~HidSendFeatureReportFunction() override;
// HidConnectionIoFunction:
bool ReadParameters() override;
void StartWork(device::mojom::HidConnection* connection) override;
void OnFinished(bool success);
std::optional<api::hid::SendFeatureReport::Params> parameters_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_HID_HID_API_H_
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