[Presentation API] Resolve PresentationRequest::reconnect() with existing presentation connection i…

third_party/WebKit/Source/modules/presentation/ExistingPresentationConnectionCallbacks.h

+// 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 ExistingPresentationConnectionCallbacks_h
+#define ExistingPresentationConnectionCallbacks_h
+
+#include "platform/heap/Handle.h"
+#include "public/platform/WebCallbacks.h"
+#include "wtf/Noncopyable.h"
+
+namespace blink {
+
+class PresentationConnection;
+class ScriptPromiseResolver;
+struct WebPresentationError;
+struct WebPresentationSessionInfo;
+
+// ExistingPresentationConnectionCallbacks extends WebCallbacks to resolve the
+// underlying promise. It takes the PresentationConnection object that
+// originated the call in its constructor and will resolve underlying promise
+// with that object.
+class ExistingPresentationConnectionCallbacks final
+    : public WebCallbacks<const WebPresentationSessionInfo&,
+                          const WebPresentationError&> {
+ public:
+  ExistingPresentationConnectionCallbacks(ScriptPromiseResolver*,
+                                          PresentationConnection*);
+  ~ExistingPresentationConnectionCallbacks() override = default;
+
+  void onSuccess(const WebPresentationSessionInfo&) override;
+  void onError(const WebPresentationError&) override;
+
+ private:
+  Persistent<ScriptPromiseResolver> m_resolver;
+  Persistent<PresentationConnection> m_connection;
+
+  WTF_MAKE_NONCOPYABLE(ExistingPresentationConnectionCallbacks);
+};
+
+}  // namespace blink
+
+#endif  // ExistingPresentationConnectionCallbacks_h