WebRTCStats added for surfacing RTCStats from WebRTC to Blink.

third_party/WebKit/public/platform/WebRTCStats.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WebRTCStats_h
+#define WebRTCStats_h
+
+#include "WebCommon.h"
+#include "WebString.h"
+#include "WebVector.h"
+
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace blink {
+
+class WebRTCStats;
+class WebRTCStatsMember;
+
+enum WebRTCStatsMemberType {
+    WebRTCStatsMemberTypeInt32, // int32_t
+    WebRTCStatsMemberTypeUint32, // uint32_t
+    WebRTCStatsMemberTypeInt64, // int64_t
+    WebRTCStatsMemberTypeUint64, // uint64_t
+    WebRTCStatsMemberTypeDouble, // double
+    WebRTCStatsMemberTypeString, // WebString
+
+    WebRTCStatsMemberTypeSequenceInt32, // WebVector<int32_t>
+    WebRTCStatsMemberTypeSequenceUint32, // WebVector<uint32_t>
+    WebRTCStatsMemberTypeSequenceInt64, // WebVector<int64_t>
+    WebRTCStatsMemberTypeSequenceUint64, // WebVector<uint64_t>
+    WebRTCStatsMemberTypeSequenceDouble, // WebVector<double>
+    WebRTCStatsMemberTypeSequenceString, // WebVector<WebString>
+};
+
+class WebRTCStatsReport {
+public:
+    virtual ~WebRTCStatsReport() {}
+
+    // The next stats object, or null if the end has been reached.
+    virtual std::unique_ptr<WebRTCStats> next() = 0;
+};
+
+class WebRTCStats {
+public:
+    virtual ~WebRTCStats() {}
+
+    virtual WebString id() const = 0;
+    virtual WebString type() const = 0;
+    virtual double timestamp() const = 0;
+
+    virtual size_t membersCount() const = 0;
+    virtual std::unique_ptr<WebRTCStatsMember> getMember(size_t) const = 0;
+};
+
+class WebRTCStatsMember {
+public:
+    virtual ~WebRTCStatsMember() {}
+
+    virtual WebString name() const = 0;
+    virtual WebRTCStatsMemberType type() const = 0;
+
+    // Value getters. No conversion is performed; the function must match the member's |type|.
+    virtual int32_t valueInt32() const = 0;
+    virtual uint32_t valueUint32() const = 0;
+    virtual int64_t valueInt64() const = 0;
+    virtual uint64_t valueUint64() const = 0;
+    virtual double valueDouble() const = 0;
+    virtual WebString valueString() const = 0;
+    virtual WebVector<int32_t> valueSequenceInt32() const = 0;
+    virtual WebVector<uint32_t> valueSequenceUint32() const = 0;
+    virtual WebVector<int64_t> valueSequenceInt64() const = 0;
+    virtual WebVector<uint64_t> valueSequenceUint64() const = 0;
+    virtual WebVector<double> valueSequenceDouble() const = 0;
+    virtual WebVector<WebString> valueSequenceString() const = 0;
+};
+
+} // namespace blink
+
+#endif // WebRTCStats_h