Index: Source/core/timing/PerformanceObserver.h |
diff --git a/Source/core/timing/PerformanceObserver.h b/Source/core/timing/PerformanceObserver.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..61d0ea7774b4501d70a68e6c168bb7ef66fdcb63 |
--- /dev/null |
+++ b/Source/core/timing/PerformanceObserver.h |
@@ -0,0 +1,60 @@ |
+// Copyright 2015 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 PerformanceObserver_h |
+#define PerformanceObserver_h |
+ |
+#include "bindings/core/v8/ScriptWrappable.h" |
+#include "core/timing/PerformanceEntry.h" |
+#include "platform/heap/Handle.h" |
+#include "wtf/HashSet.h" |
+#include "wtf/PassOwnPtr.h" |
+#include "wtf/PassRefPtr.h" |
+#include "wtf/RefCounted.h" |
+#include "wtf/RefPtr.h" |
+#include "wtf/Vector.h" |
+ |
+namespace blink { |
+ |
+class ExceptionState; |
+class PerformanceBase; |
+class PerformanceObserverCallback; |
+class PerformanceObserver; |
+class PerformanceObserverInit; |
+ |
+using PerformanceEntryVector = HeapVector<Member<PerformanceEntry>>; |
+ |
+class PerformanceObserver final : public GarbageCollectedFinalized<PerformanceObserver>, public ScriptWrappable { |
+ DEFINE_WRAPPERTYPEINFO(); |
+ friend class PerformanceBase; |
+public: |
+ static PerformanceObserver* create(PerformanceBase*, PerformanceObserverCallback*); |
+ static void resumeSuspendedObservers(); |
+ |
+ ~PerformanceObserver(); |
+ |
+ void observe(const PerformanceObserverInit&, ExceptionState&); |
+ void disconnect(); |
+ void enqueuePerformanceEntry(PerformanceEntry&); |
+ PerformanceEntryTypeMask filterOptions() { return m_filterOptions; } |
+ |
+ // Eagerly finalized as destructor accesses heap object members. |
+ EAGERLY_FINALIZE(); |
+ DECLARE_TRACE(); |
+ |
+private: |
+ explicit PerformanceObserver(PerformanceBase*, PerformanceObserverCallback*); |
+ void deliver(); |
+ bool shouldBeSuspended() const; |
+ |
+ Member<PerformanceObserverCallback> m_callback; |
+ WeakMember<PerformanceBase> m_performance; |
+ PerformanceEntryVector m_performanceEntries; |
+ PerformanceEntryTypeMask m_filterOptions; |
+ bool m_isRegistered; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // PerformanceObserver_h |