Move MediaStream and MediaStreamTrack implementation from modules/mediastream to core/mediastream.

Source/modules/mediastream/UserMediaRequest.cpp

-/*
- * Copyright (C) 2011 Ericsson AB. All rights reserved.
- * Copyright (C) 2012 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.
- * 3. Neither the name of Ericsson nor the names of its contributors
- *    may be used to endorse or promote products derived from this
- *    software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 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.
- */
-
-#include "config.h"
-
-#include "modules/mediastream/UserMediaRequest.h"
-
-#include "bindings/core/v8/Dictionary.h"
-#include "bindings/core/v8/ExceptionMessages.h"
-#include "bindings/core/v8/ExceptionState.h"
-#include "core/dom/Document.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/dom/SpaceSplitString.h"
-#include "modules/mediastream/MediaConstraintsImpl.h"
-#include "modules/mediastream/MediaStream.h"
-#include "modules/mediastream/UserMediaController.h"
-#include "platform/mediastream/MediaStreamCenter.h"
-#include "platform/mediastream/MediaStreamDescriptor.h"
-
-namespace blink {
-
-static WebMediaConstraints parseOptions(const Dictionary& options, const String& mediaType, ExceptionState& exceptionState)
-{
-    WebMediaConstraints constraints;
-
-    Dictionary constraintsDictionary;
-    bool ok = options.get(mediaType, constraintsDictionary);
-    if (ok && !constraintsDictionary.isUndefinedOrNull())
-        constraints = MediaConstraintsImpl::create(constraintsDictionary, exceptionState);
-    else {
-        bool mediaRequested = false;
-        DictionaryHelper::get(options, mediaType, mediaRequested);
-        if (mediaRequested)
-            constraints = MediaConstraintsImpl::create();
-    }
-
-    return constraints;
-}
-
-UserMediaRequest* UserMediaRequest::create(ExecutionContext* context, UserMediaController* controller, const Dictionary& options, NavigatorUserMediaSuccessCallback* successCallback, NavigatorUserMediaErrorCallback* errorCallback, ExceptionState& exceptionState)
-{
-    WebMediaConstraints audio = parseOptions(options, "audio", exceptionState);
-    if (exceptionState.hadException())
-        return nullptr;
-
-    WebMediaConstraints video = parseOptions(options, "video", exceptionState);
-    if (exceptionState.hadException())
-        return nullptr;
-
-    if (audio.isNull() && video.isNull()) {
-        exceptionState.throwDOMException(SyntaxError, "At least one of audio and video must be requested");
-        return nullptr;
-    }
-
-    return new UserMediaRequest(context, controller, audio, video, successCallback, errorCallback);
-}
-
-UserMediaRequest::UserMediaRequest(ExecutionContext* context, UserMediaController* controller, WebMediaConstraints audio, WebMediaConstraints video, NavigatorUserMediaSuccessCallback* successCallback, NavigatorUserMediaErrorCallback* errorCallback)
-    : ContextLifecycleObserver(context)
-    , m_audio(audio)
-    , m_video(video)
-    , m_controller(controller)
-    , m_successCallback(successCallback)
-    , m_errorCallback(errorCallback)
-{
-}
-
-UserMediaRequest::~UserMediaRequest()
-{
-}
-
-bool UserMediaRequest::audio() const
-{
-    return !m_audio.isNull();
-}
-
-bool UserMediaRequest::video() const
-{
-    return !m_video.isNull();
-}
-
-WebMediaConstraints UserMediaRequest::audioConstraints() const
-{
-    return m_audio;
-}
-
-WebMediaConstraints UserMediaRequest::videoConstraints() const
-{
-    return m_video;
-}
-
-Document* UserMediaRequest::ownerDocument()
-{
-    if (ExecutionContext* context = executionContext()) {
-        return toDocument(context);
-    }
-
-    return 0;
-}
-
-void UserMediaRequest::start()
-{
-    if (m_controller)
-        m_controller->requestUserMedia(this);
-}
-
-void UserMediaRequest::succeed(MediaStreamDescriptor* streamDescriptor)
-{
-    if (!executionContext())
-        return;
-
-    RefPtrWillBeRawPtr<MediaStream> stream = MediaStream::create(executionContext(), streamDescriptor);
-
-    MediaStreamTrackVector audioTracks = stream->getAudioTracks();
-    for (MediaStreamTrackVector::iterator iter = audioTracks.begin(); iter != audioTracks.end(); ++iter) {
-        (*iter)->component()->source()->setConstraints(m_audio);
-    }
-
-    MediaStreamTrackVector videoTracks = stream->getVideoTracks();
-    for (MediaStreamTrackVector::iterator iter = videoTracks.begin(); iter != videoTracks.end(); ++iter) {
-        (*iter)->component()->source()->setConstraints(m_video);
-    }
-
-    m_successCallback->handleEvent(stream.get());
-}
-
-void UserMediaRequest::failPermissionDenied(const String& message)
-{
-    if (!executionContext())
-        return;
-    m_errorCallback->handleEvent(NavigatorUserMediaError::create(NavigatorUserMediaError::NamePermissionDenied, message, String()));
-}
-
-void UserMediaRequest::failConstraint(const String& constraintName, const String& message)
-{
-    ASSERT(!constraintName.isEmpty());
-    if (!executionContext())
-        return;
-    m_errorCallback->handleEvent(NavigatorUserMediaError::create(NavigatorUserMediaError::NameConstraintNotSatisfied, message, constraintName));
-}
-
-void UserMediaRequest::failUASpecific(const String& name, const String& message, const String& constraintName)
-{
-    ASSERT(!name.isEmpty());
-    if (!executionContext())
-        return;
-    m_errorCallback->handleEvent(NavigatorUserMediaError::create(name, message, constraintName));
-}
-
-void UserMediaRequest::contextDestroyed()
-{
-    if (m_controller) {
-        m_controller->cancelUserMediaRequest(this);
-        m_controller = 0;
-    }
-
-    ContextLifecycleObserver::contextDestroyed();
-}
-
-void UserMediaRequest::trace(Visitor* visitor)
-{
-    visitor->trace(m_successCallback);
-    visitor->trace(m_errorCallback);
-}
-
-} // namespace blink