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// Copyright 2018 The Chromium Authors
// 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 "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/bindings/core/v8/script_promise_resolver.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/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_map.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_set.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_receiver.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h"
#include "third_party/blink/renderer/platform/supplementable.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
class ExecutionContext;
class NavigatorBase;
class ScriptState;
class SerialPort;
class SerialPortRequestOptions;
class SerialPortFilter;
class MODULES_EXPORT Serial final : public EventTarget,
public Supplement<NavigatorBase>,
public ExecutionContextLifecycleObserver,
public mojom::blink::SerialServiceClient {
DEFINE_WRAPPERTYPEINFO();
public:
static const char kSupplementName[];
// Web-exposed navigator.serial
static Serial* serial(NavigatorBase&);
// Given a JavaScript `filter` object create a Mojo filter object.
// Upon error an exception will be thrown (using `exception_state`) and a
// null Mojo filter object will be returned.
static mojom::blink::SerialPortFilterPtr CreateMojoFilter(
const SerialPortFilter* filter,
ExceptionState& exception_state);
explicit Serial(NavigatorBase&);
// EventTarget
ExecutionContext* GetExecutionContext() const override;
const AtomicString& InterfaceName() const override;
// ExecutionContextLifecycleObserver
void ContextDestroyed() override;
// SerialServiceClient
void OnPortConnectedStateChanged(
mojom::blink::SerialPortInfoPtr port_info) override;
// Web-exposed interfaces
DEFINE_ATTRIBUTE_EVENT_LISTENER(connect, kConnect)
DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect, kDisconnect)
ScriptPromise<IDLSequence<SerialPort>> getPorts(ScriptState*,
ExceptionState&);
ScriptPromise<SerialPort> requestPort(ScriptState*,
const SerialPortRequestOptions*,
ExceptionState&);
void OpenPort(
const base::UnguessableToken& token,
device::mojom::blink::SerialConnectionOptionsPtr options,
mojo::PendingRemote<device::mojom::blink::SerialPortClient> client,
mojom::blink::SerialService::OpenPortCallback callback);
void ForgetPort(const base::UnguessableToken& token,
mojom::blink::SerialService::ForgetPortCallback callback);
void Trace(Visitor*) const override;
protected:
// EventTarget
void AddedEventListener(const AtomicString& event_type,
RegisteredEventListener&) override;
private:
void EnsureServiceConnection();
void OnServiceConnectionError();
SerialPort* GetOrCreatePort(mojom::blink::SerialPortInfoPtr);
void OnGetPorts(ScriptPromiseResolver<IDLSequence<SerialPort>>*,
Vector<mojom::blink::SerialPortInfoPtr>);
void OnRequestPort(ScriptPromiseResolver<SerialPort>*,
mojom::blink::SerialPortInfoPtr);
HeapMojoRemote<mojom::blink::SerialService> service_;
HeapMojoReceiver<mojom::blink::SerialServiceClient, Serial> receiver_;
HeapHashSet<Member<ScriptPromiseResolver<IDLSequence<SerialPort>>>>
get_ports_promises_;
HeapHashSet<Member<ScriptPromiseResolverBase>> request_port_promises_;
HeapHashMap<String, WeakMember<SerialPort>> port_cache_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SERIAL_SERIAL_H_
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