import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/generic/nsIObjectFrame.h

@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/*
+ * interface for rendering objects for replaced elements implemented by
+ * a plugin
+ */
+
+#ifndef nsIObjectFrame_h___
+#define nsIObjectFrame_h___
+
+#include "nsQueryFrame.h"
+
+class nsNPAPIPluginInstance;
+class nsIWidget;
+
+class nsIObjectFrame : public nsQueryFrame
+{
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsIObjectFrame)
+
+  NS_IMETHOD GetPluginInstance(nsNPAPIPluginInstance** aPluginInstance) = 0;
+
+  /**
+   * Get the native widget for the plugin, if any.
+   */
+  virtual nsIWidget* GetWidget() = 0;
+
+  /**
+   * Update plugin active state. Frame should update if it is on an active tab
+   * or not and forward that information to the plugin to make it possible to
+   * throttle down plugin instance in non active case.
+   */
+  virtual void SetIsDocumentActive(bool aIsActive) = 0;
+};
+
+#endif /* nsIObjectFrame_h___ */