Web MIDI: add open() and close() to MIDIPort

Source/modules/webmidi/MIDIPort.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MIDIPort_h
 #define MIDIPort_h
 
+#include "bindings/core/v8/ScriptPromise.h"
 #include "modules/EventTargetModules.h"
+#include "modules/webmidi/MIDIAccessor.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class MIDIAccess;
 
 class MIDIPort : public RefCountedGarbageCollectedEventTargetWithInlineData<MIDIPort> {
     DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<MIDIPort>);
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum MIDIPortTypeCode {
         MIDIPortTypeInput,
         MIDIPortTypeOutput
     };
 
     virtual ~MIDIPort() { }
 
     String id() const { return m_id; }
     String manufacturer() const { return m_manufacturer; }
     String name() const { return m_name; }
     String state() const;
     String type() const;
     String version() const { return m_version; }
 
+    ScriptPromise open(ScriptState*);
+    ScriptPromise close(ScriptState*);
+
     MIDIAccess* midiAccess() const { return m_access; }
-    bool isActive() const { return m_isActive; }
-    void setActiveState(bool isActive);
+    MIDIAccessor::MIDIPortState getState() const { return m_state; }
+    void setState(MIDIAccessor::MIDIPortState);
 
     DECLARE_VIRTUAL_TRACE();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange);
 
     // EventTarget
     virtual const AtomicString& interfaceName() const override { return EventTargetNames::MIDIPort; }
     virtual ExecutionContext* executionContext() const override final;
 
 protected:
-    MIDIPort(MIDIAccess*, const String& id, const String& manufacturer, const String& name, MIDIPortTypeCode, const String& version, bool isActive);
+    MIDIPort(MIDIAccess*, const String& id, const String& manufacturer, const String& name, MIDIPortTypeCode, const String& version, MIDIAccessor::MIDIPortState);
 
 private:
+    ScriptPromise accept(ScriptState*);
+    ScriptPromise reject(ScriptState*, const String& name, const String& message);
+
     String m_id;
     String m_manufacturer;
     String m_name;
     MIDIPortTypeCode m_type;
     String m_version;
     Member<MIDIAccess> m_access;
-    bool m_isActive;
+    MIDIAccessor::MIDIPortState m_state;
 };
 
 } // namespace blink
 
 #endif // MIDIPort_h