1 files changed, 93 insertions, 0 deletions
diff --git a/Source/WebCore/replay/ReplaySession.cpp b/Source/WebCore/replay/ReplaySession.cpp
new file mode 100644
index 000000000..93da28c1c
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+++ b/Source/WebCore/replay/ReplaySession.cpp
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+/*
+ * Copyright (C) 2013 University of Washington. All rights reserved.
+ * Copyright (C) 2014 Apple 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 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
+ * HOLDER 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 "ReplaySession.h"
+
+#if ENABLE(WEB_REPLAY)
+
+#include "ReplaySessionSegment.h"
+#include <wtf/CurrentTime.h>
+
+namespace WebCore {
+
+static unsigned s_nextIdentifier = 1;
+
+Ref<ReplaySession> ReplaySession::create()
+{
+    return adoptRef(*new ReplaySession());
+}
+
+ReplaySession::ReplaySession()
+    : m_identifier(s_nextIdentifier++)
+    , m_timestamp(currentTimeMS())
+{
+}
+
+ReplaySession::~ReplaySession()
+{
+}
+
+RefPtr<ReplaySessionSegment> ReplaySession::at(size_t position) const
+{
+    ASSERT_ARG(position, position >= 0 && position < m_segments.size());
+
+    return m_segments.at(position).copyRef();
+}
+
+void ReplaySession::appendSegment(RefPtr<ReplaySessionSegment>&& segment)
+{
+    ASSERT_ARG(segment, segment);
+    // For now, only support one segment.
+    ASSERT(!m_segments.size());
+
+    // Since replay locations are specified with segment IDs, we can only
+    // have one instance of a segment in the session.
+    size_t offset = m_segments.find(segment.copyRef());
+    ASSERT_UNUSED(offset, offset == notFound);
+
+    m_segments.append(WTFMove(segment));
+}
+
+void ReplaySession::insertSegment(size_t position, RefPtr<ReplaySessionSegment>&& segment)
+{
+    ASSERT_ARG(segment, segment);
+    ASSERT_ARG(position, position >= 0 && position < m_segments.size());
+
+    m_segments.insert(position, WTFMove(segment));
+}
+
+void ReplaySession::removeSegment(size_t position)
+{
+    ASSERT_ARG(position, position >= 0 && position < m_segments.size());
+
+    m_segments.remove(position);
+}
+
+}; // namespace WebCore
+
+#endif // ENABLE(WEB_REPLAY)