Web MIDI: implement MIDIAccess

Source/modules/webmidi/MIDIAccess.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
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  * modification, are permitted provided that the following conditions are
  * met:
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  *     * 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * 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
+#ifndef MIDIAccess_h
+#define MIDIAccess_h
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/EventTarget.h"
+#include "modules/webmidi/MIDIPort.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class MIDIPort : public ActiveDOMObject, public RefCounted<MIDIPort>, public EventTarget {
+class MIDIInput;
+class MIDIOutput;
+class Navigator;

[haraken, 2013/04/26 17:33:25]

Nit: This isn't needed.

+class ScriptExecutionContext;
+
+class MIDIAccess : public ActiveDOMObject, public RefCounted<MIDIAccess>, public EventTarget {
 public:
-    enum MIDIPortTypeCode {
-        MIDIPortTypeInput,
-        MIDIPortTypeOutput
-    };
+    virtual ~MIDIAccess();

[Chris Rogers, 2013/04/29 19:22:09]

small nit: I'd move this destructor after the create() method

+    static PassRefPtr<MIDIAccess> create(ScriptExecutionContext*);
 
-    static PassRefPtr<MIDIPort> create(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, MIDIPortTypeCode, const String& version);
-    virtual ~MIDIPort();
+    const MIDIPortVector& getInputs();
+    const MIDIPortVector& getOutputs();
+    RefPtr<MIDIInput> getInput(PassRefPtr<MIDIPort>, ExceptionCode&);
+    RefPtr<MIDIInput> getInput(const String&, ExceptionCode&);
+    RefPtr<MIDIInput> getInput(short, ExceptionCode&);
+    RefPtr<MIDIOutput> getOutput(PassRefPtr<MIDIPort>, ExceptionCode&);
+    RefPtr<MIDIOutput> getOutput(const String&, ExceptionCode&);
+    RefPtr<MIDIOutput> getOutput(short, ExceptionCode&);
 
-    String id() const { return m_id; }
-    String manufacturer() const { return m_manufacturer; }
-    String name() const { return m_name; }
-    String type() const;
-    String version() const { return m_version; }
+    using RefCounted<MIDIAccess>::ref;
+    using RefCounted<MIDIAccess>::deref;
 
-    using RefCounted<MIDIPort>::ref;
-    using RefCounted<MIDIPort>::deref;
-
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect);
 
     // EventTarget
-    virtual const AtomicString& interfaceName() const OVERRIDE { return eventNames().interfaceForMIDIPort; }
+    virtual const AtomicString& interfaceName() const OVERRIDE { return eventNames().interfaceForMIDIAccess; }
     virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE { return ActiveDOMObject::scriptExecutionContext(); }
 
     // ActiveDOMObject
     virtual bool canSuspend() const OVERRIDE { return true; }
 
-protected:
-    MIDIPort(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, MIDIPortTypeCode, const String& version);
+private:
+    explicit MIDIAccess(ScriptExecutionContext*);
 
-private:
     // EventTarget
     virtual void refEventTarget() OVERRIDE { ref(); }
     virtual void derefEventTarget() OVERRIDE { deref(); }
     virtual EventTargetData* eventTargetData() OVERRIDE { return &m_eventTargetData; }
     virtual EventTargetData* ensureEventTargetData() OVERRIDE { return &m_eventTargetData; }
 
-    String m_id;
-    String m_manufacturer;
-    String m_name;
-    MIDIPortTypeCode m_type;
-    String m_version;
+    MIDIPortVector m_inputs;
+    MIDIPortVector m_outputs;
     EventTargetData m_eventTargetData;
 };
 
-typedef Vector<RefPtr<MIDIPort> > MIDIPortVector;
-
 } // namespace WebCore
 
-#endif // MIDIPort_h
+#endif // MIDIAccess_h