Web MIDI API (work in progress)

Source/core/platform/midi/MIDIAccessorChromium.cpp

 /*
  * 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 11 matching lines @@
  * 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.
  */
 
 #include "config.h"
-#include "core/html/ime/InputMethodContext.h"
 
-#include "core/html/ime/Composition.h"
+#include "core/platform/midi/MIDIAccessorChromium.h"
 
+#include "public/platform/Platform.h"
+#include "wtf/text/WTFString.h"
+
+using WebKit::WebString;
+ 
 namespace WebCore {
 
-PassOwnPtr<InputMethodContext> InputMethodContext::create(HTMLElement* element)
+// Factory method: Chromium-implementation
+PassOwnPtr<MIDIAccessor> MIDIAccessor::create(MIDIAccessorClient* client)
 {
-    return adoptPtr(new InputMethodContext(element));
+    return adoptPtr(new MIDIAccessorChromium(client));
 }
 
-InputMethodContext::InputMethodContext(HTMLElement* element)
-    : m_enabled(false)
-    , m_composition(0)
-    , m_element(element)
+MIDIAccessorChromium::MIDIAccessorChromium(MIDIAccessorClient* client)
+    : m_client(client)
 {
-    ScriptWrappable::init(this);
+    ASSERT(client);
+
+    m_accessor = adoptPtr(WebKit::Platform::current()->createMIDIAccessor(this));
+    ASSERT(m_accessor);
 }
 
-InputMethodContext::~InputMethodContext()
+void MIDIAccessorChromium::requestAccess(int access)
 {
+    m_accessor->requestAccess(access);
 }
 
-Composition* InputMethodContext::composition() const
+void MIDIAccessorChromium::addInputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version)
 {
-    // FIXME: Implement this. This should lazily update the composition object
-    // here.
-    return m_composition.get();
+    m_client->addInputPort(id, manufacturer, name, version);
 }
 
-bool InputMethodContext::enabled() const
+void MIDIAccessorChromium::addOutputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version)
 {
-    // FIXME: Implement this. Enabled state may change between calls from user
-    // action and the status should be retrieved here.
-    return m_enabled;
+    m_client->addOutputPort(id, manufacturer, name, version);
 }
 
-void InputMethodContext::setEnabled(bool enabled)
+void MIDIAccessorChromium::accessApproved(bool approved)
 {
-    // FIXME: Implement this. The enabled state should propagate to IME.
-    m_enabled = enabled;
+    m_client->accessApproved(approved);
 }
 
-String InputMethodContext::locale() const
+void MIDIAccessorChromium::sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp)
 {
-    // FIXME: Implement this.
-    return emptyString();
+    m_accessor->sendMIDIData(portIndex, data, length, timeStamp);
 }
 
-void InputMethodContext::confirmComposition()
+void MIDIAccessorChromium::receiveMIDIData(unsigned portIndex, const UInt8* data, size_t length, double timeStamp)
 {
-    // FIXME: Implement this.
-}
-
-void InputMethodContext::setCaretRectangle(Node* anchor, int x, int y, int w, int h)
-{
-    // FIXME: Implement this.
-}
-
-void InputMethodContext::setExclusionRectangle(Node* anchor, int x, int y, int w, int h)
-{
-    // FIXME: Implement this.
-}
-
-bool InputMethodContext::open()
-{
-    // FIXME: Implement this.
-    return false;
+    m_client->receiveMIDIData(portIndex, data, length, timeStamp);
 }
 
 } // namespace WebCore