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

Source/modules/mediasource/SourceBuffer.cpp

-/*
- * 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/SourceBuffer.h"
-
-#include "core/html/TimeRanges.h"
-#include "core/platform/graphics/SourceBufferPrivate.h"
-#include "modules/mediasource/MediaSource.h"
-#include "wtf/Uint8Array.h"
-
-namespace WebCore {
-
-PassRefPtr<SourceBuffer> SourceBuffer::create(PassOwnPtr<SourceBufferPrivate> sourceBufferPrivate, PassRefPtr<MediaSource> source)
-{
-    return adoptRef(new SourceBuffer(sourceBufferPrivate, source));
-}
-
-SourceBuffer::SourceBuffer(PassOwnPtr<SourceBufferPrivate> sourceBufferPrivate, PassRefPtr<MediaSource> source)
-    : m_private(sourceBufferPrivate)
-    , m_source(source)
-    , m_timestampOffset(0)
-{
-    ASSERT(m_private);
-    ASSERT(m_source);
-}
-
-SourceBuffer::~SourceBuffer()
-{
-}
-
-PassRefPtr<TimeRanges> SourceBuffer::buffered(ExceptionCode& ec) const
-{
-    // Section 3.1 buffered attribute steps.
-    // 1. If this object has been removed from the sourceBuffers attribute of the parent media source then throw an
-    //    INVALID_STATE_ERR exception and abort these steps.
-    if (isRemoved()) {
-        ec = INVALID_STATE_ERR;
-        return 0;
-    }
-
-    // 2. Return a new static normalized TimeRanges object for the media segments buffered.
-    return m_private->buffered();
-}
-
-double SourceBuffer::timestampOffset() const
-{
-    return m_timestampOffset;
-}
-
-void SourceBuffer::setTimestampOffset(double offset, ExceptionCode& ec)
-{
-    // Section 3.1 timestampOffset attribute setter steps.
-    // 1. If this object has been removed from the sourceBuffers attribute of the parent media source then throw an
-    //    INVALID_STATE_ERR exception and abort these steps.
-    if (isRemoved()) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-
-    // 4. If the readyState attribute of the parent media source is in the "ended" state then run the following steps:
-    if (isEnded()) {
-        // 4.1 Set the readyState attribute of the parent media source to "open"
-        // 4.2 Queue a task to fire a simple event named sourceopen at the parent media source.
-        m_source->setReadyState(MediaSource::openKeyword());
-    }
-
-    // 5. If this object is waiting for the end of a media segment to be appended, then throw an INVALID_STATE_ERR
-    // and abort these steps.
-    if (!m_private->setTimestampOffset(offset)) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-
-    // 6. Update the attribute to the new value.
-    m_timestampOffset = offset;
-}
-
-void SourceBuffer::append(PassRefPtr<Uint8Array> data, ExceptionCode& ec)
-{
-    // SourceBuffer.append() steps from October 1st version of the Media Source Extensions spec.
-    // https://dvcs.w3.org/hg/html-media/raw-file/7bab66368f2c/media-source/media-source.html#dom-append
-
-    // 2. If data is null then throw an INVALID_ACCESS_ERR exception and abort these steps.
-    if (!data) {
-        ec = INVALID_ACCESS_ERR;
-        return;
-    }
-
-    // 3. If this object has been removed from the sourceBuffers attribute of media source then throw
-    //    an INVALID_STATE_ERR exception and abort these steps.
-    if (isRemoved()) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-
-    // 5. If the readyState attribute of media source is in the "ended" state then run the following steps:
-    if (isEnded()) {
-        // 5.1. Set the readyState attribute of media source to "open"
-        // 5.2. Queue a task to fire a simple event named sourceopen at media source.
-        m_source->setReadyState(MediaSource::openKeyword());
-    }
-
-    // Steps 6 & beyond are handled by the private implementation.
-    m_private->append(data->data(), data->length());
-}
-
-void SourceBuffer::abort(ExceptionCode& ec)
-{
-    // Section 3.2 abort() method steps.
-    // 1. If this object has been removed from the sourceBuffers attribute of the parent media source
-    //    then throw an INVALID_STATE_ERR exception and abort these steps.
-    // 2. If the readyState attribute of the parent media source is not in the "open" state
-    //    then throw an INVALID_STATE_ERR exception and abort these steps.
-    if (isRemoved() || !isOpen()) {
-        ec = INVALID_STATE_ERR;
-        return;
-    }
-
-    // 4. Run the reset parser state algorithm.
-    m_private->abort();
-}
-
-void SourceBuffer::removedFromMediaSource()
-{
-    if (isRemoved())
-        return;
-
-    m_private->removedFromMediaSource();
-    m_source.clear();
-}
-
-bool SourceBuffer::isRemoved() const
-{
-    return !m_source;
-}
-
-bool SourceBuffer::isOpen() const
-{
-    ASSERT(m_source);
-    return m_source->readyState() == MediaSource::openKeyword();
-}
-
-bool SourceBuffer::isEnded() const
-{
-    ASSERT(m_source);
-    return m_source->readyState() == MediaSource::endedKeyword();
-}
-
-} // namespace WebCore