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// Copyright 2014 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_WEBMIDI_MIDI_ACCESS_INITIALIZER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_ACCESS_INITIALIZER_H_
#include "media/midi/midi_service.mojom-blink-forward.h"
#include "third_party/blink/public/mojom/permissions/permission.mojom-blink.h"
#include "third_party/blink/public/mojom/permissions/permission_status.mojom-blink-forward.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/bindings/modules/v8/v8_midi_options.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/webmidi/midi_dispatcher.h"
#include "third_party/blink/renderer/modules/webmidi/midi_port.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class ScriptState;
class MODULES_EXPORT MIDIAccessInitializer
: public GarbageCollected<MIDIAccessInitializer>,
public MIDIDispatcher::Client {
public:
struct PortDescriptor {
DISALLOW_NEW();
String id;
String manufacturer;
String name;
MIDIPortType type;
String version;
midi::mojom::PortState state;
PortDescriptor(const String& id,
const String& manufacturer,
const String& name,
MIDIPortType type,
const String& version,
midi::mojom::PortState state)
: id(id),
manufacturer(manufacturer),
name(name),
type(type),
version(version),
state(state) {}
};
MIDIAccessInitializer(ScriptState*, const MIDIOptions*);
virtual ~MIDIAccessInitializer() = default;
ScriptPromise<MIDIAccess> Start(LocalDOMWindow*);
// MIDIDispatcher::Client
void DidAddInputPort(const String& id,
const String& manufacturer,
const String& name,
const String& version,
midi::mojom::PortState) override;
void DidAddOutputPort(const String& id,
const String& manufacturer,
const String& name,
const String& version,
midi::mojom::PortState) override;
void DidSetInputPortState(unsigned port_index,
midi::mojom::PortState) override;
void DidSetOutputPortState(unsigned port_index,
midi::mojom::PortState) override;
void DidStartSession(midi::mojom::Result) override;
void DidReceiveMIDIData(unsigned port_index,
base::span<const uint8_t> data,
base::TimeTicks time_stamp) override {}
void Trace(Visitor*) const override;
private:
void StartSession();
void OnPermissionsUpdated(mojom::blink::PermissionStatus);
void OnPermissionUpdated(mojom::blink::PermissionStatus);
Member<ScriptPromiseResolver<MIDIAccess>> resolver_;
Member<MIDIDispatcher> dispatcher_;
Vector<PortDescriptor> port_descriptors_;
Member<const MIDIOptions> options_;
HeapMojoRemote<mojom::blink::PermissionService> permission_service_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_ACCESS_INITIALIZER_H_
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