Add WebKit prefix to MediaSource,SourceBuffer, and SourceBufferList objects.

Source/modules/mediasource/MediaSource.cpp

Index: Source/modules/mediasource/MediaSource.cpp
diff --git a/Source/modules/mediasource/MediaSource.cpp b/Source/modules/mediasource/MediaSource.cpp
deleted file mode 100644
index 7652e8ff014f772b28e00c97b4e0c3b7f7fc7a22..0000000000000000000000000000000000000000
--- a/Source/modules/mediasource/MediaSource.cpp
+++ /dev/null
@@ -1,333 +0,0 @@
-/*
- * 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:
- *
- *     * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. 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/mediasource/MediaSource.h"
-
-#include "core/dom/Event.h"
-#include "core/html/TimeRanges.h"
-#include "core/platform/ContentType.h"
-#include "core/platform/MIMETypeRegistry.h"
-#include "core/platform/graphics/SourceBufferPrivate.h"
-#include "wtf/Uint8Array.h"
-
-namespace WebCore {
-
-PassRefPtr<MediaSource> MediaSource::create(ScriptExecutionContext* context)
-{
-    RefPtr<MediaSource> mediaSource(adoptRef(new MediaSource(context)));
-    mediaSource->suspendIfNeeded();
-    return mediaSource.release();
-}
-
-MediaSource::MediaSource(ScriptExecutionContext* context)
-    : ActiveDOMObject(context)
-    , m_readyState(closedKeyword())
-    , m_asyncEventQueue(GenericEventQueue::create(this))
-{
-    m_sourceBuffers = SourceBufferList::create(scriptExecutionContext(), m_asyncEventQueue.get());
-    m_activeSourceBuffers = SourceBufferList::create(scriptExecutionContext(), m_asyncEventQueue.get());
-}
-
-const String& MediaSource::openKeyword()
-{
-    DEFINE_STATIC_LOCAL(const String, open, (ASCIILiteral("open")));
-    return open;
-}
-
-const String& MediaSource::closedKeyword()
-{
-    DEFINE_STATIC_LOCAL(const String, closed, (ASCIILiteral("closed")));
-    return closed;
-}
-
-const String& MediaSource::endedKeyword()
-{
-    DEFINE_STATIC_LOCAL(const String, ended, (ASCIILiteral("ended")));
-    return ended;
-}
-
-SourceBufferList* MediaSource::sourceBuffers()
-{
-    return m_sourceBuffers.get();
-}
-
-SourceBufferList* MediaSource::activeSourceBuffers()
-{
-    // FIXME(91649): support track selection
-    return m_activeSourceBuffers.get();
-}
-
-double MediaSource::duration() const
-{
-    return m_readyState == closedKeyword() ? std::numeric_limits<float>::quiet_NaN() : m_private->duration();
-}
-
-void MediaSource::setDuration(double duration, ExceptionCode& ec)
-{
-    if (duration < 0.0 || std::isnan(duration)) {
-        ec = INVALID_ACCESS_ERR;
-        return;
-    }
-    if (m_readyState != openKeyword()) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-    m_private->setDuration(duration);
-}
-
-SourceBuffer* MediaSource::addSourceBuffer(const String& type, ExceptionCode& ec)
-{
-    // 3.1 http://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#dom-addsourcebuffer
-    // 1. If type is null or an empty then throw an INVALID_ACCESS_ERR exception and
-    // abort these steps.
-    if (type.isNull() || type.isEmpty()) {
-        ec = INVALID_ACCESS_ERR;
-        return 0;
-    }
-
-    // 2. If type contains a MIME type that is not supported ..., then throw a
-    // NOT_SUPPORTED_ERR exception and abort these steps.
-    if (!isTypeSupported(type)) {
-        ec = NOT_SUPPORTED_ERR;
-        return 0;
-    }
-
-    // 4. If the readyState attribute is not in the "open" state then throw an
-    // INVALID_STATE_ERR exception and abort these steps.
-    if (!m_private || m_readyState != openKeyword()) {
-        ec = INVALID_STATE_ERR;
-        return 0;
-    }
-
-    // 5. Create a new SourceBuffer object and associated resources.
-    ContentType contentType(type);
-    Vector<String> codecs = contentType.codecs();
-    OwnPtr<SourceBufferPrivate> sourceBufferPrivate;
-    switch (m_private->addSourceBuffer(contentType.type(), codecs, &sourceBufferPrivate)) {
-    case MediaSourcePrivate::Ok: {
-        ASSERT(sourceBufferPrivate);
-        RefPtr<SourceBuffer> buffer = SourceBuffer::create(sourceBufferPrivate.release(), this);
-
-        // 6. Add the new object to sourceBuffers and fire a addsourcebuffer on that object.
-        m_sourceBuffers->add(buffer);
-        m_activeSourceBuffers->add(buffer);
-        // 7. Return the new object to the caller.
-        return buffer.get();
-    }
-    case MediaSourcePrivate::NotSupported:
-        // 2 (cont). If type contains a MIME type ... that is not supported with the types 
-        // specified for the other SourceBuffer objects in sourceBuffers, then throw
-        // a NOT_SUPPORTED_ERR exception and abort these steps.
-        ec = NOT_SUPPORTED_ERR;
-        return 0;
-    case MediaSourcePrivate::ReachedIdLimit:
-        // 3 (cont). If the user agent can't handle any more SourceBuffer objects then throw 
-        // a QUOTA_EXCEEDED_ERR exception and abort these steps.
-        ec = QUOTA_EXCEEDED_ERR;
-        return 0;
-    }
-
-    ASSERT_NOT_REACHED();
-    return 0;
-}
-
-void MediaSource::removeSourceBuffer(SourceBuffer* buffer, ExceptionCode& ec)
-{
-    // 3.1 http://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#dom-removesourcebuffer
-    // 1. If sourceBuffer is null then throw an INVALID_ACCESS_ERR exception and
-    // abort these steps.
-    if (!buffer) {
-        ec = INVALID_ACCESS_ERR;
-        return;
-    }
-
-    // 2. If sourceBuffers is empty then throw an INVALID_STATE_ERR exception and
-    // abort these steps.
-    if (!m_private || !m_sourceBuffers->length()) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-
-    // 3. If sourceBuffer specifies an object that is not in sourceBuffers then
-    // throw a NOT_FOUND_ERR exception and abort these steps.
-    // 6. Remove sourceBuffer from sourceBuffers and fire a removesourcebuffer event
-    // on that object.
-    if (!m_sourceBuffers->remove(buffer)) {
-        ec = NOT_FOUND_ERR;
-        return;
-    }
-
-    // 7. Destroy all resources for sourceBuffer.
-    m_activeSourceBuffers->remove(buffer);
-
-    // 4. Remove track information from audioTracks, videoTracks, and textTracks for all tracks 
-    // associated with sourceBuffer and fire a simple event named change on the modified lists.
-    // FIXME(91649): support track selection
-
-    // 5. If sourceBuffer is in activeSourceBuffers, then remove it from that list and fire a
-    // removesourcebuffer event on that object.
-    // FIXME(91649): support track selection
-}
-
-const String& MediaSource::readyState() const
-{
-    return m_readyState;
-}
-
-void MediaSource::setReadyState(const String& state)
-{
-    ASSERT(state == openKeyword() || state == closedKeyword() || state == endedKeyword());
-    if (m_readyState == state)
-        return;
-
-    String oldState = m_readyState;
-    m_readyState = state;
-
-    if (m_readyState == closedKeyword()) {
-        m_sourceBuffers->clear();
-        m_activeSourceBuffers->clear();
-        m_private.clear();
-        scheduleEvent(eventNames().webkitsourcecloseEvent);
-        return;
-    }
-
-    if (oldState == openKeyword() && m_readyState == endedKeyword()) {
-        scheduleEvent(eventNames().webkitsourceendedEvent);
-        return;
-    }
-
-    if (m_readyState == openKeyword()) {
-        scheduleEvent(eventNames().webkitsourceopenEvent);
-        return;
-    }
-}
-
-void MediaSource::endOfStream(const String& error, ExceptionCode& ec)
-{
-    // 3.1 http://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#dom-endofstream
-    // 1. If the readyState attribute is not in the "open" state then throw an
-    // INVALID_STATE_ERR exception and abort these steps.
-    if (!m_private || m_readyState != openKeyword()) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-
-    MediaSourcePrivate::EndOfStreamStatus eosStatus = MediaSourcePrivate::EosNoError;
-
-    if (error.isNull() || error.isEmpty())
-        eosStatus = MediaSourcePrivate::EosNoError;
-    else if (error == "network")
-        eosStatus = MediaSourcePrivate::EosNetworkError;
-    else if (error == "decode")
-        eosStatus = MediaSourcePrivate::EosDecodeError;
-    else {
-        ec = INVALID_ACCESS_ERR;
-        return;
-    }
-
-    // 2. Change the readyState attribute value to "ended".
-    setReadyState(endedKeyword());
-    m_private->endOfStream(eosStatus);
-}
-
-bool MediaSource::isTypeSupported(const String& type)
-{
-    // Section 2.1 isTypeSupported() method steps.
-    // https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#widl-MediaSource-isTypeSupported-boolean-DOMString-type
-    // 1. If type is an empty string, then return false.
-    if (type.isNull() || type.isEmpty())
-        return false;
-
-    ContentType contentType(type);
-    String codecs = contentType.parameter("codecs");
-
-    // 2. If type does not contain a valid MIME type string, then return false.
-    if (contentType.type().isEmpty() || codecs.isEmpty())
-        return false;
-
-    // 3. If type contains a media type or media subtype that the MediaSource does not support, then return false.
-    // 4. If type contains at a codec that the MediaSource does not support, then return false.
-    // 5. If the MediaSource does not support the specified combination of media type, media subtype, and codecs then return false.
-    // 6. Return true.
-    return MIMETypeRegistry::isSupportedMediaSourceMIMEType(contentType.type(), codecs);
-}
-
-void MediaSource::setPrivateAndOpen(PassOwnPtr<MediaSourcePrivate> mediaSourcePrivate)
-{
-    ASSERT(mediaSourcePrivate);
-    ASSERT(!m_private);
-    m_private = mediaSourcePrivate;
-    setReadyState(openKeyword());
-}
-
-const AtomicString& MediaSource::interfaceName() const
-{
-    return eventNames().interfaceForMediaSource;
-}
-
-ScriptExecutionContext* MediaSource::scriptExecutionContext() const
-{
-    return ActiveDOMObject::scriptExecutionContext();
-}
-
-bool MediaSource::hasPendingActivity() const
-{
-    return m_private || m_asyncEventQueue->hasPendingEvents()
-        || ActiveDOMObject::hasPendingActivity();
-}
-
-void MediaSource::stop()
-{
-    m_private.clear();
-    m_asyncEventQueue->cancelAllEvents();
-}
-
-EventTargetData* MediaSource::eventTargetData()
-{
-    return &m_eventTargetData;
-}
-
-EventTargetData* MediaSource::ensureEventTargetData()
-{
-    return &m_eventTargetData;
-}
-
-void MediaSource::scheduleEvent(const AtomicString& eventName)
-{
-    ASSERT(m_asyncEventQueue);
-
-    RefPtr<Event> event = Event::create(eventName, false, false);
-    event->setTarget(this);
-
-    m_asyncEventQueue->enqueueEvent(event.release());
-}
-
-} // namespace WebCore