MediaStream API: Implement Navigator.getMediaDevices

Source/modules/mediastream/MediaDevicesRequest.cpp

 /*
- * Copyright (C) 2013 Google Inc. All rights reserved.
+ * Copyright (C) 2014 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. 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 "modules/mediastream/RTCDTMFToneChangeEvent.h"
 
-#include "core/events/ThreadLocalEventNames.h"
+#include "modules/mediastream/MediaDevicesRequest.h"
+
+#include "bindings/v8/ExceptionState.h"
+#include "core/dom/Document.h"
+#include "modules/mediastream/UserMediaController.h"
 
 namespace WebCore {
 
-PassRefPtr<RTCDTMFToneChangeEvent> RTCDTMFToneChangeEvent::create()
+PassRefPtr<MediaDevicesRequest> MediaDevicesRequest::create(ExecutionContext* context, UserMediaController* controller, PassOwnPtr<MediaDeviceInfoCallback> callback, ExceptionState& exceptionState)
 {
-    return adoptRef(new RTCDTMFToneChangeEvent);
+    RefPtr<MediaDevicesRequest> request = adoptRef(new MediaDevicesRequest(context, controller, callback));
+    request->suspendIfNeeded();
+    return request.release();
 }
 
-PassRefPtr<RTCDTMFToneChangeEvent> RTCDTMFToneChangeEvent::create(const String& tone)
-{
-    return adoptRef(new RTCDTMFToneChangeEvent(tone));
-}
-
-PassRefPtr<RTCDTMFToneChangeEvent> RTCDTMFToneChangeEvent::create(const AtomicString& type, const RTCDTMFToneChangeEventInit& initializer)
-{
-    ASSERT(type == EventTypeNames::tonechange);
-    return adoptRef(new RTCDTMFToneChangeEvent(initializer));
-}
-
-RTCDTMFToneChangeEvent::RTCDTMFToneChangeEvent()
-{
-    ScriptWrappable::init(this);
-}
-
-RTCDTMFToneChangeEvent::RTCDTMFToneChangeEvent(const String& tone)
-    : Event(EventTypeNames::tonechange, false, false)
-    , m_tone(tone)
-{
-    ScriptWrappable::init(this);
-}
-
-RTCDTMFToneChangeEvent::RTCDTMFToneChangeEvent(const RTCDTMFToneChangeEventInit& initializer)
-    : Event(EventTypeNames::tonechange, initializer)
-    , m_tone(initializer.tone)
-{
-    ScriptWrappable::init(this);
-}
-
-RTCDTMFToneChangeEvent::~RTCDTMFToneChangeEvent()
+MediaDevicesRequest::MediaDevicesRequest(ExecutionContext* context, UserMediaController* controller, PassOwnPtr<MediaDeviceInfoCallback> callback)
+    : ActiveDOMObject(context)
+    , m_controller(controller)
+    , m_callback(callback)
 {
 }
 
-const String& RTCDTMFToneChangeEvent::tone() const
+MediaDevicesRequest::~MediaDevicesRequest()
 {
-    return m_tone;
 }
 
-const AtomicString& RTCDTMFToneChangeEvent::interfaceName() const
+Document* MediaDevicesRequest::ownerDocument()
 {
-    return EventNames::RTCDTMFToneChangeEvent;
+    if (ExecutionContext* context = executionContext()) {
+        return toDocument(context);
+    }
+
+    return 0;
+}
+
+void MediaDevicesRequest::start()
+{
+    if (m_controller)
+        m_controller->requestMediaDevices(this);
+}
+
+void MediaDevicesRequest::succeed(const MediaDeviceInfoVector& mediaDevices)
+{
+    if (!executionContext() || !m_callback)
+        return;
+
+    m_callback->handleEvent(mediaDevices);
+}
+
+void MediaDevicesRequest::stop()
+{
+    m_callback.clear();
+    m_controller = 0;
 }
 
 } // namespace WebCore
-