| // 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 BluetoothRemoteGATTCharacteristic_h |
| #define BluetoothRemoteGATTCharacteristic_h |
| |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/dom/ActiveDOMObject.h" |
| #include "core/dom/DOMArrayPiece.h" |
| #include "core/dom/DOMDataView.h" |
| #include "modules/EventTargetModules.h" |
| #include "modules/bluetooth/BluetoothRemoteGATTService.h" |
| #include "platform/heap/Handle.h" |
| #include "public/platform/modules/bluetooth/WebBluetoothRemoteGATTCharacteristic.h" |
| #include "public/platform/modules/bluetooth/WebBluetoothRemoteGATTCharacteristicInit.h" |
| #include "wtf/text/WTFString.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class BluetoothCharacteristicProperties; |
| class ExecutionContext; |
| class ScriptPromise; |
| class ScriptPromiseResolver; |
| class ScriptState; |
| |
| // BluetoothRemoteGATTCharacteristic represents a GATT Characteristic, which is |
| // a basic data element that provides further information about a peripheral's |
| // service. |
| // |
| // Callbacks providing WebBluetoothRemoteGATTCharacteristicInit objects are |
| // handled by CallbackPromiseAdapter templatized with this class. See this |
| // class's "Interface required by CallbackPromiseAdapter" section and the |
| // CallbackPromiseAdapter class comments. |
| class BluetoothRemoteGATTCharacteristic final |
| : public EventTargetWithInlineData, |
| public ActiveDOMObject, |
| public WebBluetoothRemoteGATTCharacteristic { |
| USING_PRE_FINALIZER(BluetoothRemoteGATTCharacteristic, dispose); |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(BluetoothRemoteGATTCharacteristic); |
| |
| public: |
| explicit BluetoothRemoteGATTCharacteristic( |
| ExecutionContext*, |
| std::unique_ptr<WebBluetoothRemoteGATTCharacteristicInit>, |
| BluetoothRemoteGATTService*); |
| |
| // Interface required by CallbackPromiseAdapter. |
| using WebType = std::unique_ptr<WebBluetoothRemoteGATTCharacteristicInit>; |
| static BluetoothRemoteGATTCharacteristic* take( |
| ScriptPromiseResolver*, |
| std::unique_ptr<WebBluetoothRemoteGATTCharacteristicInit>, |
| BluetoothRemoteGATTService*); |
| |
| // Save value. |
| void setValue(DOMDataView*); |
| |
| // WebBluetoothRemoteGATTCharacteristic interface: |
| void dispatchCharacteristicValueChanged(const WebVector<uint8_t>&) override; |
| |
| // ActiveDOMObject interface. |
| void stop() override; |
| |
| // USING_PRE_FINALIZER interface. |
| // Called before the object gets garbage collected. |
| void dispose(); |
| |
| // Notify our embedder that we should stop any notifications. |
| // The function only notifies the embedder once. |
| void notifyCharacteristicObjectRemoved(); |
| |
| // EventTarget methods: |
| const AtomicString& interfaceName() const override; |
| ExecutionContext* getExecutionContext() const; |
| |
| // Interface required by garbage collection. |
| DECLARE_VIRTUAL_TRACE(); |
| |
| // IDL exposed interface: |
| BluetoothRemoteGATTService* service() { return m_service; } |
| String uuid() { return m_webCharacteristic->uuid; } |
| BluetoothCharacteristicProperties* properties() { return m_properties; } |
| DOMDataView* value() const { return m_value; } |
| ScriptPromise readValue(ScriptState*); |
| ScriptPromise writeValue(ScriptState*, const DOMArrayPiece&); |
| ScriptPromise startNotifications(ScriptState*); |
| ScriptPromise stopNotifications(ScriptState*); |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(characteristicvaluechanged); |
| |
| protected: |
| // EventTarget overrides. |
| void addedEventListener(const AtomicString& eventType, |
| RegisteredEventListener&) override; |
| |
| private: |
| std::unique_ptr<WebBluetoothRemoteGATTCharacteristicInit> m_webCharacteristic; |
| Member<BluetoothRemoteGATTService> m_service; |
| bool m_stopped; |
| Member<BluetoothCharacteristicProperties> m_properties; |
| Member<DOMDataView> m_value; |
| }; |
| |
| } // namespace blink |
| |
| #endif // BluetoothRemoteGATTCharacteristic_h |