Implement navigator.sendBeacon()

Source/modules/beacon/NavigatorBeacon.h

+// Copyright 2014 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 NavigatorBeacon_h
+#define NavigatorBeacon_h
+
+#include "core/frame/Navigator.h"
+#include "platform/Supplementable.h"
+#include "platform/heap/Handle.h"
+
+namespace WTF {
+class ArrayBufferView;
+}
+
+namespace WebCore {
+
+class Blob;
+class DOMFormData;
+class ExceptionState;
+class ExecutionContext;
+class KURL;
+
+class NavigatorBeacon FINAL : public NoBaseWillBeGarbageCollected<NavigatorBeacon>, public WillBeHeapSupplement<Navigator> {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorBeacon);
+public:
+    static NavigatorBeacon& from(Navigator&);
+
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, const String&, ExceptionState&);
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, PassRefPtr<WTF::ArrayBufferView>, ExceptionState&);
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, PassRefPtrWillBeRawPtr<Blob>, ExceptionState&);
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, PassRefPtrWillBeRawPtr<DOMFormData>, ExceptionState&);
+
+private:
+    explicit NavigatorBeacon(Navigator&);
+
+    static const char* supplementName();
+
+    bool sendBeacon(ExecutionContext*, const String&, const String&, ExceptionState&);
+    bool sendBeacon(ExecutionContext*, const String&, PassRefPtr<WTF::ArrayBufferView>, ExceptionState&);
+    bool sendBeacon(ExecutionContext*, const String&, PassRefPtrWillBeRawPtr<Blob>, ExceptionState&);
+    bool sendBeacon(ExecutionContext*, const String&, PassRefPtrWillBeRawPtr<DOMFormData>, ExceptionState&);
+
+    bool canSendBeacon(ExecutionContext*, const KURL&, ExceptionState&);
+    int maxAllowance() const;
+    void updateTransmittedBytes(int);
+
+    int m_transmittedBytes;
+    Navigator& m_navigator;
+};
+
+} // namespace WebCore
+
+#endif // NavigatorBeacon_h