import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/plugins/ipc/StreamNotifyChild.h

@@ -0,0 +1,64 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* vim: set sw=2 ts=2 et : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_plugins_StreamNotifyChild_h
+#define mozilla_plugins_StreamNotifyChild_h
+
+#include "mozilla/plugins/PStreamNotifyChild.h"
+
+namespace mozilla {
+namespace plugins {
+
+class BrowserStreamChild;
+
+class StreamNotifyChild : public PStreamNotifyChild
+{
+  friend class PluginInstanceChild;
+  friend class BrowserStreamChild;
+
+public:
+  explicit StreamNotifyChild(const nsCString& aURL)
+    : mURL(aURL)
+    , mClosure(nullptr)
+    , mBrowserStream(nullptr)
+  { }
+
+  virtual void ActorDestroy(ActorDestroyReason why) override;
+
+  void SetValid(void* aClosure) {
+    mClosure = aClosure;
+  }
+
+  void NPP_URLNotify(NPReason reason);
+
+private:
+  virtual bool Recv__delete__(const NPReason& reason) override;
+
+  bool RecvRedirectNotify(const nsCString& url, const int32_t& status) override;
+
+  /**
+   * If a stream is created for this this URLNotify, we associate the objects
+   * so that the NPP_URLNotify call is not fired before the stream data is
+   * completely delivered. The BrowserStreamChild takes responsibility for
+   * calling NPP_URLNotify and deleting this object.
+   */
+  void SetAssociatedStream(BrowserStreamChild* bs);
+
+  nsCString mURL;
+  void* mClosure;
+
+  /**
+   * If mBrowserStream is true, it is responsible for deleting this C++ object
+   * and DeallocPStreamNotify is not, so that the delayed delivery of
+   * NPP_URLNotify is possible.
+   */
+  BrowserStreamChild* mBrowserStream;
+};
+
+} // namespace plugins
+} // namespace mozilla
+
+#endif