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// Copyright 2018 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_SERIAL_SERIAL_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SERIAL_SERIAL_H_
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/serial/serial.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/dom/events/event_target.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/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
class ExecutionContext;
class ScriptPromiseResolver;
class ScriptState;
class SerialPort;
class SerialPortRequestOptions;
class Serial final : public EventTargetWithInlineData,
public ExecutionContextLifecycleObserver,
public mojom::blink::SerialServiceClient {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(Serial);
USING_PRE_FINALIZER(Serial, Dispose);
public:
explicit Serial(ExecutionContext&);
// EventTarget
ExecutionContext* GetExecutionContext() const override;
const AtomicString& InterfaceName() const override;
// ExecutionContextLifecycleObserver
void ContextDestroyed() override;
// SerialServiceClient
void OnPortAdded(mojom::blink::SerialPortInfoPtr port_info) override;
void OnPortRemoved(mojom::blink::SerialPortInfoPtr port_info) override;
// Web-exposed interfaces
DEFINE_ATTRIBUTE_EVENT_LISTENER(connect, kConnect)
DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect, kDisconnect)
ScriptPromise getPorts(ScriptState*, ExceptionState&);
ScriptPromise requestPort(ScriptState*,
const SerialPortRequestOptions*,
ExceptionState&);
void Dispose();
void GetPort(
const base::UnguessableToken& token,
mojo::PendingReceiver<device::mojom::blink::SerialPort> receiver);
void Trace(Visitor*) override;
protected:
// EventTarget
void AddedEventListener(const AtomicString& event_type,
RegisteredEventListener&) override;
private:
void EnsureServiceConnection();
void OnServiceConnectionError();
SerialPort* GetOrCreatePort(mojom::blink::SerialPortInfoPtr);
void OnGetPorts(ScriptPromiseResolver*,
Vector<mojom::blink::SerialPortInfoPtr>);
void OnRequestPort(ScriptPromiseResolver*, mojom::blink::SerialPortInfoPtr);
mojo::Remote<mojom::blink::SerialService> service_;
mojo::Receiver<mojom::blink::SerialServiceClient> receiver_{this};
HeapHashSet<Member<ScriptPromiseResolver>> get_ports_promises_;
HeapHashSet<Member<ScriptPromiseResolver>> request_port_promises_;
HeapHashMap<String, WeakMember<SerialPort>> port_cache_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SERIAL_SERIAL_H_
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