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// Copyright 2015 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 THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_DEVICE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_DEVICE_H_
#include <bitset>
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "services/device/public/mojom/usb_device.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/array_buffer_or_array_buffer_view.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class ScriptPromiseResolver;
class ScriptState;
class USBConfiguration;
class USBControlTransferParameters;
class USBDevice : public ScriptWrappable,
public ExecutionContextLifecycleObserver {
USING_GARBAGE_COLLECTED_MIXIN(USBDevice);
DEFINE_WRAPPERTYPEINFO();
public:
explicit USBDevice(device::mojom::blink::UsbDeviceInfoPtr,
mojo::PendingRemote<device::mojom::blink::UsbDevice>,
ExecutionContext*);
~USBDevice() override;
const device::mojom::blink::UsbDeviceInfo& Info() const {
return *device_info_;
}
bool IsInterfaceClaimed(wtf_size_t configuration_index,
wtf_size_t interface_index) const;
wtf_size_t SelectedAlternateInterface(wtf_size_t interface_index) const;
// USBDevice.idl
uint8_t usbVersionMajor() const { return Info().usb_version_major; }
uint8_t usbVersionMinor() const { return Info().usb_version_minor; }
uint8_t usbVersionSubminor() const { return Info().usb_version_subminor; }
uint8_t deviceClass() const { return Info().class_code; }
uint8_t deviceSubclass() const { return Info().subclass_code; }
uint8_t deviceProtocol() const { return Info().protocol_code; }
uint16_t vendorId() const { return Info().vendor_id; }
uint16_t productId() const { return Info().product_id; }
uint8_t deviceVersionMajor() const { return Info().device_version_major; }
uint8_t deviceVersionMinor() const { return Info().device_version_minor; }
uint8_t deviceVersionSubminor() const {
return Info().device_version_subminor;
}
String manufacturerName() const { return Info().manufacturer_name; }
String productName() const { return Info().product_name; }
String serialNumber() const { return Info().serial_number; }
USBConfiguration* configuration() const;
HeapVector<Member<USBConfiguration>> configurations() const;
bool opened() const { return opened_; }
ScriptPromise open(ScriptState*);
ScriptPromise close(ScriptState*);
ScriptPromise selectConfiguration(ScriptState*, uint8_t configuration_value);
ScriptPromise claimInterface(ScriptState*, uint8_t interface_number);
ScriptPromise releaseInterface(ScriptState*, uint8_t interface_number);
ScriptPromise selectAlternateInterface(ScriptState*,
uint8_t interface_number,
uint8_t alternate_setting);
ScriptPromise controlTransferIn(ScriptState*,
const USBControlTransferParameters* setup,
unsigned length);
ScriptPromise controlTransferOut(ScriptState*,
const USBControlTransferParameters* setup);
ScriptPromise controlTransferOut(ScriptState*,
const USBControlTransferParameters* setup,
const ArrayBufferOrArrayBufferView& data);
ScriptPromise clearHalt(ScriptState*,
String direction,
uint8_t endpoint_number);
ScriptPromise transferIn(ScriptState*,
uint8_t endpoint_number,
unsigned length);
ScriptPromise transferOut(ScriptState*,
uint8_t endpoint_number,
const ArrayBufferOrArrayBufferView& data);
ScriptPromise isochronousTransferIn(ScriptState*,
uint8_t endpoint_number,
Vector<unsigned> packet_lengths);
ScriptPromise isochronousTransferOut(ScriptState*,
uint8_t endpoint_number,
const ArrayBufferOrArrayBufferView& data,
Vector<unsigned> packet_lengths);
ScriptPromise reset(ScriptState*);
// ExecutionContextLifecycleObserver interface.
void ContextDestroyed() override;
void Trace(Visitor*) const override;
private:
static const size_t kEndpointsBitsNumber = 16;
wtf_size_t FindConfigurationIndex(uint8_t configuration_value) const;
wtf_size_t FindInterfaceIndex(uint8_t interface_number) const;
wtf_size_t FindAlternateIndex(wtf_size_t interface_index,
uint8_t alternate_setting) const;
bool IsProtectedInterfaceClass(wtf_size_t interface_index) const;
bool EnsureNoDeviceChangeInProgress(ScriptPromiseResolver*) const;
bool EnsureNoDeviceOrInterfaceChangeInProgress(ScriptPromiseResolver*) const;
bool EnsureDeviceConfigured(ScriptPromiseResolver*) const;
bool EnsureInterfaceClaimed(uint8_t interface_number,
ScriptPromiseResolver*) const;
bool EnsureEndpointAvailable(bool in_transfer,
uint8_t endpoint_number,
ScriptPromiseResolver*) const;
bool AnyInterfaceChangeInProgress() const;
device::mojom::blink::UsbControlTransferParamsPtr
ConvertControlTransferParameters(const USBControlTransferParameters*,
ScriptPromiseResolver*) const;
void SetEndpointsForInterface(wtf_size_t interface_index, bool set);
void AsyncOpen(ScriptPromiseResolver*,
device::mojom::blink::UsbOpenDeviceError);
void AsyncClose(ScriptPromiseResolver*);
void OnDeviceOpenedOrClosed(bool);
void AsyncSelectConfiguration(wtf_size_t configuration_index,
ScriptPromiseResolver*,
bool success);
void OnConfigurationSelected(bool success, wtf_size_t configuration_index);
void AsyncClaimInterface(wtf_size_t interface_index,
ScriptPromiseResolver*,
bool success);
void AsyncReleaseInterface(wtf_size_t interface_index,
ScriptPromiseResolver*,
bool success);
void OnInterfaceClaimedOrUnclaimed(bool claimed, wtf_size_t interface_index);
void AsyncSelectAlternateInterface(wtf_size_t interface_index,
wtf_size_t alternate_index,
ScriptPromiseResolver*,
bool success);
void AsyncControlTransferIn(ScriptPromiseResolver*,
device::mojom::blink::UsbTransferStatus,
const Vector<uint8_t>&);
void AsyncControlTransferOut(unsigned,
ScriptPromiseResolver*,
device::mojom::blink::UsbTransferStatus);
void AsyncClearHalt(ScriptPromiseResolver*, bool success);
void AsyncTransferIn(ScriptPromiseResolver*,
device::mojom::blink::UsbTransferStatus,
const Vector<uint8_t>&);
void AsyncTransferOut(unsigned,
ScriptPromiseResolver*,
device::mojom::blink::UsbTransferStatus);
void AsyncIsochronousTransferIn(
ScriptPromiseResolver*,
const Vector<uint8_t>&,
Vector<device::mojom::blink::UsbIsochronousPacketPtr>);
void AsyncIsochronousTransferOut(
ScriptPromiseResolver*,
Vector<device::mojom::blink::UsbIsochronousPacketPtr>);
void AsyncReset(ScriptPromiseResolver*, bool success);
void OnConnectionError();
bool MarkRequestComplete(ScriptPromiseResolver*);
device::mojom::blink::UsbDeviceInfoPtr device_info_;
HeapMojoRemote<device::mojom::blink::UsbDevice> device_;
HeapHashSet<Member<ScriptPromiseResolver>> device_requests_;
bool opened_;
bool device_state_change_in_progress_;
wtf_size_t configuration_index_;
// These vectors have one entry for each interface in the currently selected
// configured. Use the index returned by FindInterfaceIndex().
WTF::Vector<bool> claimed_interfaces_;
WTF::Vector<bool> interface_state_change_in_progress_;
WTF::Vector<wtf_size_t> selected_alternates_;
// These bit sets have one entry for each endpoint. Index using the endpoint
// number (lower 4 bits of the endpoint address).
std::bitset<kEndpointsBitsNumber> in_endpoints_;
std::bitset<kEndpointsBitsNumber> out_endpoints_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBUSB_USB_DEVICE_H_
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