| // Copyright 2014 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_WEBMIDI_MIDI_ACCESS_INITIALIZER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_ACCESS_INITIALIZER_H_ |
| |
| #include <memory> |
| #include "media/midi/midi_service.mojom-blink.h" |
| #include "third_party/blink/public/platform/modules/permissions/permission.mojom-blink.h" |
| #include "third_party/blink/public/platform/modules/permissions/permission_status.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/modules/modules_export.h" |
| #include "third_party/blink/renderer/modules/webmidi/midi_accessor.h" |
| #include "third_party/blink/renderer/modules/webmidi/midi_accessor_client.h" |
| #include "third_party/blink/renderer/modules/webmidi/midi_options.h" |
| #include "third_party/blink/renderer/modules/webmidi/midi_port.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class ScriptState; |
| |
| class MODULES_EXPORT MIDIAccessInitializer : public ScriptPromiseResolver, |
| public MIDIAccessorClient { |
| public: |
| struct PortDescriptor { |
| DISALLOW_NEW(); |
| String id; |
| String manufacturer; |
| String name; |
| MIDIPort::TypeCode type; |
| String version; |
| midi::mojom::PortState state; |
| |
| PortDescriptor(const String& id, |
| const String& manufacturer, |
| const String& name, |
| MIDIPort::TypeCode type, |
| const String& version, |
| midi::mojom::PortState state) |
| : id(id), |
| manufacturer(manufacturer), |
| name(name), |
| type(type), |
| version(version), |
| state(state) {} |
| }; |
| |
| static ScriptPromise Start(ScriptState* script_state, |
| const MIDIOptions* options) { |
| MIDIAccessInitializer* resolver = |
| MakeGarbageCollected<MIDIAccessInitializer>(script_state, options); |
| resolver->KeepAliveWhilePending(); |
| return resolver->Start(); |
| } |
| |
| MIDIAccessInitializer(ScriptState*, const MIDIOptions*); |
| ~MIDIAccessInitializer() override = default; |
| |
| // Eager finalization to allow dispose() operation access |
| // other (non eager) heap objects. |
| EAGERLY_FINALIZE(); |
| |
| // MIDIAccessorClient |
| 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, |
| const unsigned char* data, |
| size_t length, |
| TimeTicks time_stamp) override {} |
| |
| void Trace(Visitor*) override; |
| |
| private: |
| ExecutionContext* GetExecutionContext() const; |
| ScriptPromise Start(); |
| |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| void OnPermissionsUpdated(mojom::blink::PermissionStatus); |
| void OnPermissionUpdated(mojom::blink::PermissionStatus); |
| |
| std::unique_ptr<MIDIAccessor> accessor_; |
| Vector<PortDescriptor> port_descriptors_; |
| Member<const MIDIOptions> options_; |
| |
| mojom::blink::PermissionServicePtr permission_service_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_ACCESS_INITIALIZER_H_ |