Getting ready to fix 132759 -- 100% CPU with Flash, this file is not part of the build yet

modules/plugin/base/public/nsPluginNativeWindow.h

@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: NPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is 
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Andrei Volkov <av@netscape.com>
+ *   Brian Stell <bstell@netscape.com>
+ *   Peter Lubczynski <peterl@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or 
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the NPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the NPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef _nsPluginNativeWindow_h_
+#define _nsPluginNativeWindow_h_
+
+#include "nscore.h"
+#include "nsCOMPtr.h"
+#include "nsIPluginInstance.h"
+#include "nsplugindefs.h"
+
+/**
+ * base class for native plugin window implementations
+ */
+class nsPluginNativeWindow : public nsPluginWindow
+{
+public: 
+  nsPluginNativeWindow() : nsPluginWindow() {}
+  virtual ~nsPluginNativeWindow() {}
+
+  /**
+   *   !!! CAUTION !!!
+   *
+   * The base class |nsPluginWindow| is defined as a struct in nsplugindefs.h,
+   * thus it does not have a destructor of its own.
+   * One should never attempt to delete |nsPluginNativeWindow| object instance
+   * (or derivatives) using a pointer of |nsPluginWindow *| type. Should such
+   * necessity occur it must be properly casted first.
+   */
+
+public:
+  nsresult GetPluginInstance(nsCOMPtr<nsIPluginInstance> &aPluginInstance) { 
+    aPluginInstance = mPluginInstance;
+    return NS_OK;
+  }
+  nsresult SetPluginInstance(nsIPluginInstance *aPluginInstance) { 
+    if (mPluginInstance != aPluginInstance)
+      mPluginInstance = aPluginInstance;
+    return NS_OK;
+  }
+
+public:
+  virtual nsresult CallSetWindow(nsCOMPtr<nsIPluginInstance> &aPluginInstance) {
+    // null aPluginInstance means that we want to call SetWindow(null)
+    if (aPluginInstance)
+      aPluginInstance->SetWindow(this);
+    else if (mPluginInstance)
+      mPluginInstance->SetWindow(nsnull);
+
+    SetPluginInstance(aPluginInstance);
+    return NS_OK;
+  }
+
+protected:
+  nsCOMPtr<nsIPluginInstance> mPluginInstance;
+};
+
+nsresult PLUG_NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
+nsresult PLUG_DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow);
+
+#endif //_nsPluginNativeWindow_h_