import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/plugins/ipc/PluginStreamParent.cpp

@@ -0,0 +1,72 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* 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/. */
+
+#include "PluginStreamParent.h"
+#include "PluginInstanceParent.h"
+
+namespace mozilla {
+namespace plugins {
+
+PluginStreamParent::PluginStreamParent(PluginInstanceParent* npp,
+                                       const nsCString& mimeType,
+                                       const nsCString& target,
+                                       NPError* result)
+  : mInstance(npp)
+  , mClosed(false)
+{
+  *result = mInstance->mNPNIface->newstream(mInstance->mNPP,
+                                            const_cast<char*>(mimeType.get()),
+                                            NullableStringGet(target),
+                                            &mStream);
+  if (*result == NPERR_NO_ERROR)
+    mStream->pdata = static_cast<AStream*>(this);
+  else
+    mStream = nullptr;
+}
+
+void
+PluginStreamParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  // Implement me! Bug 1005166
+}
+
+bool
+PluginStreamParent::AnswerNPN_Write(const Buffer& data, int32_t* written)
+{
+  if (mClosed) {
+    *written = -1;
+    return true;
+  }
+
+  *written = mInstance->mNPNIface->write(mInstance->mNPP, mStream,
+                                         data.Length(),
+                                         const_cast<char*>(data.get()));
+  if (*written < 0)
+    mClosed = true;
+
+  return true;
+}
+
+bool
+PluginStreamParent::Answer__delete__(const NPError& reason,
+                                     const bool& artificial)
+{
+  if (!artificial)
+    this->NPN_DestroyStream(reason);
+  return true;
+}
+
+void
+PluginStreamParent::NPN_DestroyStream(NPReason reason)
+{
+  if (mClosed)
+    return;
+
+  mInstance->mNPNIface->destroystream(mInstance->mNPP, mStream, reason);
+  mClosed = true;
+}
+
+} // namespace plugins
+} // namespace mozilla