layout/generic/nsIObjectFrame.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 /*
   7  * interface for rendering objects for replaced elements implemented by
   8  * a plugin
   9  */
  10
  11 #ifndef nsIObjectFrame_h___
  12 #define nsIObjectFrame_h___
  13
  14 #include "nsQueryFrame.h"
  15
  16 class nsNPAPIPluginInstance;
  17 class nsIWidget;
  18
  19 class nsIObjectFrame : public nsQueryFrame
  20 {
  21 public:
  22   NS_DECL_QUERYFRAME_TARGET(nsIObjectFrame)
  23
  24   NS_IMETHOD GetPluginInstance(nsNPAPIPluginInstance** aPluginInstance) = 0;
  25
  26   /**
  27    * Get the native widget for the plugin, if any.
  28    */
  29   virtual nsIWidget* GetWidget() = 0;
  30
  31   /**
  32    * Update plugin active state. Frame should update if it is on an active tab
  33    * or not and forward that information to the plugin to make it possible to
  34    * throttle down plugin instance in non active case.
  35    */
  36   virtual void SetIsDocumentActive(bool aIsActive) = 0;
  37 };
  38
  39 #endif /* nsIObjectFrame_h___ */