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

Source/modules/webmidi/MIDIAccessInitializer.h

 // 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 MIDIAccessInitializer_h
 #define MIDIAccessInitializer_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "modules/webmidi/MIDIAccessor.h"
 #include "modules/webmidi/MIDIAccessorClient.h"
 #include "modules/webmidi/MIDIPort.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class MIDIOptions;
 class ScriptState;
 
 class MIDIAccessInitializer : public ScriptPromiseResolver, public MIDIAccessorClient {
     WILL_BE_USING_PRE_FINALIZER(MIDIAccessInitializer, dispose);
 public:
     struct PortDescriptor {
         String id;
         String manufacturer;
         String name;
         MIDIPort::MIDIPortTypeCode type;
         String version;
-        bool isActive;
+        MIDIAccessor::MIDIPortState state;
 
-        PortDescriptor(const String& id, const String& manufacturer, const String& name, MIDIPort::MIDIPortTypeCode type, const String& version, bool isActive)
+        PortDescriptor(const String& id, const String& manufacturer, const String& name, MIDIPort::MIDIPortTypeCode type, const String& version, MIDIAccessor::MIDIPortState state)
             : id(id)
             , manufacturer(manufacturer)
             , name(name)
             , type(type)
             , version(version)
-            , isActive(isActive) { }
+            , state(state) { }
     };
 
     static ScriptPromise start(ScriptState* scriptState, const MIDIOptions& options)
     {
         RefPtrWillBeRawPtr<MIDIAccessInitializer> resolver = adoptRefWillBeNoop(new MIDIAccessInitializer(scriptState, options));
         resolver->keepAliveWhilePending();
         resolver->suspendIfNeeded();
         return resolver->start();
     }
 
-    virtual ~MIDIAccessInitializer();
+    ~MIDIAccessInitializer() override;
 
     // MIDIAccessorClient
-    virtual void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version, bool isActive) override;
-    virtual void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version, bool isActive) override;
-    virtual void didSetInputPortState(unsigned portIndex, bool isActive) override;
-    virtual void didSetOutputPortState(unsigned portIndex, bool isActive) override;
-    virtual void didStartSession(bool success, const String& error, const String& message) override;
-    virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) override { }
+    void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version, MIDIAccessor::MIDIPortState) override;
+    void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version, MIDIAccessor::MIDIPortState) override;
+    void didSetInputPortState(unsigned portIndex, MIDIAccessor::MIDIPortState) override;
+    void didSetOutputPortState(unsigned portIndex, MIDIAccessor::MIDIPortState) override;
+    void didStartSession(bool success, const String& error, const String& message) override;
+    void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) override { }
 
     void resolveSysexPermission(bool allowed);
     SecurityOrigin* securityOrigin() const;
 
 private:
     MIDIAccessInitializer(ScriptState*, const MIDIOptions&);
 
     ExecutionContext* executionContext() const;
     ScriptPromise start();
     void dispose();
 
     virtual void contextDestroyed() override;
 
     OwnPtr<MIDIAccessor> m_accessor;
     Vector<PortDescriptor> m_portDescriptors;
     bool m_requestSysex;
     bool m_hasBeenDisposed;
     bool m_sysexPermissionResolved;
 };
 
 } // namespace blink
 
 #endif // MIDIAccessInitializer_h