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34 #include "bindings/v8/ScriptPromise.h"
35 #include "bindings/v8/ScriptPromiseResolverWithContext.h"
36 #include "bindings/v8/ScriptWrappable.h"
37 #include "core/dom/ActiveDOMObject.h"
38 #include "core/events/EventTarget.h"
39 #include "modules/webmidi/MIDIAccessor.h"
40 #include "modules/webmidi/MIDIAccessorClient.h"
41 #include "modules/webmidi/MIDIInput.h"
42 #include "modules/webmidi/MIDIOptions.h"
43 #include "modules/webmidi/MIDIOutput.h"
44 #include "platform/AsyncMethodRunner.h"
45 #include "platform/heap/Handle.h"
46 #include "wtf/RefCounted.h"
47 #include "wtf/RefPtr.h"
48 #include "wtf/WeakPtr.h"
52 class ExecutionContext;
54 class MIDIAccess FINAL : public RefCountedWillBeRefCountedGarbageCollected<MIDIAccess>, public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData, public MIDIAccessorClient {
55 DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<MIDIAccess>);
57 virtual ~MIDIAccess();
58 // Returns a promise object that will be resolved with this MIDIAccess.
59 static ScriptPromise request(const MIDIOptions&, ExecutionContext*);
61 MIDIInputVector inputs() const { return m_inputs; }
62 MIDIOutputVector outputs() const { return m_outputs; }
64 DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
65 DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect);
67 void setSysexEnabled(bool);
68 bool sysexEnabled() const { return m_sysexEnabled; }
71 virtual const AtomicString& interfaceName() const OVERRIDE { return EventTargetNames::MIDIAccess; }
72 virtual ExecutionContext* executionContext() const OVERRIDE { return ActiveDOMObject::executionContext(); }
75 virtual void stop() OVERRIDE;
76 virtual bool hasPendingActivity() const OVERRIDE;
79 virtual void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version) OVERRIDE;
80 virtual void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version) OVERRIDE;
81 virtual void didStartSession(bool success, const String& error, const String& message) OVERRIDE;
82 virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) OVERRIDE;
84 // |timeStampInMilliseconds| is in the same time coordinate system as performance.now().
85 void sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStampInMilliseconds);
97 MIDIAccess(const MIDIOptions&, ExecutionContext*);
98 ScriptPromise startRequest();
100 void permissionDenied();
102 // Called when the promise is resolved or rejected.
103 void doPostAction(State);
106 WeakPtrFactory<MIDIAccess> m_weakPtrFactory;
107 MIDIInputVector m_inputs;
108 MIDIOutputVector m_outputs;
109 OwnPtr<MIDIAccessor> m_accessor;
110 MIDIOptions m_options;
112 RefPtr<ScriptPromiseResolverWithContext> m_resolver;
115 } // namespace WebCore
117 #endif // MIDIAccess_h