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// Copyright 2016 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 BluetoothRemoteGATTDescriptor_h
#define BluetoothRemoteGATTDescriptor_h
#include <memory>
#include "core/dom/DOMArrayPiece.h"
#include "core/dom/DOMDataView.h"
#include "modules/EventTargetModules.h"
#include "modules/bluetooth/Bluetooth.h"
#include "modules/bluetooth/BluetoothRemoteGATTCharacteristic.h"
#include "modules/bluetooth/BluetoothRemoteGATTService.h"
#include "platform/bindings/ScriptWrappable.h"
#include "platform/heap/Handle.h"
#include "platform/wtf/text/WTFString.h"
namespace blink {
class BluetoothRemoteGATTCharacteristic;
class ScriptPromise;
class ScriptState;
// BluetoothRemoteGATTDescriptor represents a GATT Descriptor, which is
// a basic data element that provides further information about a peripheral's
// characteristic.
class BluetoothRemoteGATTDescriptor final
: public GarbageCollectedFinalized<BluetoothRemoteGATTDescriptor>,
public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
BluetoothRemoteGATTDescriptor(
mojom::blink::WebBluetoothRemoteGATTDescriptorPtr,
BluetoothRemoteGATTCharacteristic*);
static BluetoothRemoteGATTDescriptor* Create(
mojom::blink::WebBluetoothRemoteGATTDescriptorPtr,
BluetoothRemoteGATTCharacteristic*);
// IDL exposed interface:
BluetoothRemoteGATTCharacteristic* characteristic() {
return characteristic_;
}
String uuid() { return descriptor_->uuid; }
DOMDataView* value() const { return value_; }
ScriptPromise readValue(ScriptState*);
ScriptPromise writeValue(ScriptState*, const DOMArrayPiece&);
// Interface required by garbage collection.
DECLARE_VIRTUAL_TRACE();
private:
friend class DescriptorReadValueCallback;
BluetoothRemoteGATTServer* GetGatt() { return characteristic_->GetGatt(); }
mojom::blink::WebBluetoothService* GetService() {
return characteristic_->device_->GetBluetooth()->Service();
}
void ReadValueCallback(ScriptPromiseResolver*,
mojom::blink::WebBluetoothResult,
const Optional<Vector<uint8_t>>&);
void WriteValueCallback(ScriptPromiseResolver*,
const Vector<uint8_t>&,
mojom::blink::WebBluetoothResult);
DOMException* CreateInvalidDescriptorError();
mojom::blink::WebBluetoothRemoteGATTDescriptorPtr descriptor_;
Member<BluetoothRemoteGATTCharacteristic> characteristic_;
Member<DOMDataView> value_;
};
} // namespace blink
#endif // BluetoothRemoteGATTDescriptor_h