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82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIGenericTransferable_h__
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#define nsIGenericTransferable_h__
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#include "nsISupports.h"
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#include "nsString.h"
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class nsIDataFlavor;
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class nsISupportsArray;
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class nsIFormatConverter;
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// {867AF703-F360-11d2-96D2-0060B0FB9956}
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#define NS_IGENERICTRANSFERABLE_IID \
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{ 0x867af703, 0xf360, 0x11d2, { 0x96, 0xd2, 0x0, 0x60, 0xb0, 0xfb, 0x99, 0x56 } }
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class nsIGenericTransferable : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IGENERICTRANSFERABLE_IID; return iid; }
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/**
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* Computes a list of flavors that the transferable can accept into it, either through
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* intrinsic knowledge or input data converters.
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*
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* @param outFlavorList fills list with supported flavors. This is a copy of
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* the internal list, so it may be edited w/out affecting the transferable.
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*/
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NS_IMETHOD FlavorsTransferableCanImport ( nsISupportsArray** outFlavorList ) = 0;
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/**
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* Gets the data from the transferable as a specified DataFlavor. The transferable still
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* owns the data, so the caller must NOT delete it.
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*
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* @param aFlavor the flavor of data that is being set
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* @param aData the data
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* @param aDataLen the length of the data
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*/
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NS_IMETHOD SetTransferData(nsIDataFlavor * aFlavor, void * aData, PRUint32 aDataLen) = 0;
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/**
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* Add the data flavor, indicating that this transferable
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* can receive this type of flavor
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*
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* @param aDataFlavor a new data flavor to handle
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* @param aHumanPresentableName human readable string for mime
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*/
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NS_IMETHOD AddDataFlavor(nsIDataFlavor * aDataFlavor) = 0;
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/**
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* Sets the converter for this transferable
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*
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*/
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NS_IMETHOD SetConverter(nsIFormatConverter * aConverter) = 0;
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/**
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* Gets the converter for this transferable
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*
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*/
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NS_IMETHOD GetConverter(nsIFormatConverter ** aConverter) = 0;
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};
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#endif
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