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24e7cb1f78
* we know all types frames may be cast to at compile time, so instead of extensible GUID IIDs, use a big enum (see nsQueryFrame::FrameIID) * eliminate all vestiges of refcounting, since frames aren't refcounted Some frames (SVG frames in particular) still implement nsISupports-derived interfaces, for example nsISVGValue. There is a FrameIID for nsISVGValue that lets you go from a frame to the XPCOM interface, but you can't query back. r+sr=roc nsITextControlFrame didn't have an IID the first time around, but this wasn't a compile error because nsITextControlFrame::kFrameIID inherited from nsIFormControlFrame::kFrameIID. I've added a static analysis pass to verify the correct behavior, since I can't figure out a way to make the compiler do it. --HG-- extra : rebase_source : 4894a2ca0278e2ab92f27459db77165f8348cf41
95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* interface for rendering objects for replaced elements implemented by
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* a plugin
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*/
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#ifndef nsIObjectFrame_h___
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#define nsIObjectFrame_h___
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#include "nsIFrame.h"
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class nsIPluginInstance;
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class nsIObjectFrame : public nsQueryFrame
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{
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public:
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NS_DECLARE_FRAME_ACCESSOR(nsIObjectFrame)
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NS_IMETHOD GetPluginInstance(nsIPluginInstance*& aPluginInstance) = 0;
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/**
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* Instantiate a plugin for a channel, returning a stream listener for the
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* data.
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*
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* @note Calling this method can delete the frame, so don't assume
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* the frame is alive after this call returns.
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*/
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virtual nsresult Instantiate(nsIChannel* aChannel, nsIStreamListener** aStreamListener) = 0;
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/**
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* @note Calling this method can delete the frame, so don't assume
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* the frame is alive after this call returns.
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*/
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virtual void TryNotifyContentObjectWrapper() = 0;
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/**
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* Instantiate a plugin that loads the data itself.
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* @param aMimeType Type of the plugin to instantiate. May be null.
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* @param aURI URI of the plugin data. May be null.
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* @note Only one of aURI and aMimeType may be null.
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* If aURI is null, aMimeType must not be the empty string.
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* @note XXX this method is here only temporarily, until plugins are loaded
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* from content.
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*
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* @note Calling this method can delete the frame, so don't assume
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* the frame is alive after this call returns.
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*/
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virtual nsresult Instantiate(const char* aMimeType, nsIURI* aURI) = 0;
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/**
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* Stops and unloads the plugin. Makes the frame ready to receive another
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* Instantiate() call. It is safe to call this method even when no plugin
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* is currently active in this frame.
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*/
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virtual void StopPlugin() = 0;
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};
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#endif /* nsIObjectFrame_h___ */
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