зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
3.4 KiB
C++
119 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
#ifndef nsITextContent_h___
|
|
#define nsITextContent_h___
|
|
|
|
#include "nslayout.h"
|
|
class nsString;
|
|
class nsTextFragment;
|
|
class nsIContent;
|
|
|
|
// IID for the nsITextContent interface
|
|
#define NS_ITEXT_CONTENT_IID \
|
|
{0xa6cf9065, 0x15b3, 0x11d2, {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
|
|
|
|
/**
|
|
* Interface for textual content. This interface is used to provide
|
|
* an efficient access to text content.
|
|
*/
|
|
class nsITextContent : public nsISupports {
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_ITEXT_CONTENT_IID; return iid; }
|
|
|
|
/**
|
|
* Get direct access (but read only) to the text in the text content.
|
|
*/
|
|
NS_IMETHOD GetText(const nsTextFragment** aFragmentsResult) = 0;
|
|
|
|
/**
|
|
* Get the length of the text content.
|
|
*/
|
|
NS_IMETHOD GetTextLength(PRInt32* aLengthResult) = 0;
|
|
|
|
/**
|
|
* Make a copy of the text content in aResult.
|
|
*/
|
|
NS_IMETHOD CopyText(nsString& aResult) = 0;
|
|
|
|
/**
|
|
* Set the text to the given value. If aNotify is PR_TRUE then
|
|
* the document is notified of the content change.
|
|
*/
|
|
NS_IMETHOD SetText(const PRUnichar* aBuffer,
|
|
PRInt32 aLength,
|
|
PRBool aNotify) = 0;
|
|
|
|
/**
|
|
* Set the text to the given value. If aNotify is PR_TRUE then
|
|
* the document is notified of the content change.
|
|
*/
|
|
NS_IMETHOD SetText(const char* aBuffer,
|
|
PRInt32 aLength,
|
|
PRBool aNotify) = 0;
|
|
|
|
/**
|
|
* Query method to see if the frame is nothing but whitespace
|
|
*/
|
|
NS_IMETHOD IsOnlyWhitespace(PRBool* aResult) = 0;
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
/* a6cf905e-15b3-11d2-932e-00805f8add32 */
|
|
#define NS_ITEXT_CONTENT_CHANGE_DATA_IID \
|
|
{0xa6cf905e, 0x15b3, 0x11d2, {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
|
|
|
|
// Simple interface for encapsulating change data for a ContentChanged
|
|
// notification.
|
|
class nsITextContentChangeData : public nsISupports {
|
|
public:
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITEXT_CONTENT_CHANGE_DATA_IID);
|
|
|
|
enum ChangeType {
|
|
Insert,
|
|
Append,
|
|
Replace
|
|
};
|
|
|
|
/**
|
|
* Get the type of change associated with the ContentChanged
|
|
* notification.
|
|
*/
|
|
NS_IMETHOD GetChangeType(ChangeType* aResult) = 0;
|
|
|
|
NS_IMETHOD GetInsertData(PRInt32* aOffset,
|
|
PRInt32* aInsertLength) = 0;
|
|
|
|
NS_IMETHOD GetAppendData(PRInt32* aOffset,
|
|
PRInt32* aAppendLength) = 0;
|
|
|
|
NS_IMETHOD GetReplaceData(PRInt32* aOffset,
|
|
PRInt32* aSourceLength,
|
|
PRInt32* aReplaceLength) = 0;
|
|
};
|
|
|
|
// XXX These belong elsewhere
|
|
extern nsresult
|
|
NS_NewTextNode(nsIContent** aResult);
|
|
|
|
extern nsresult
|
|
NS_NewCommentNode(nsIContent** aResult);
|
|
|
|
|
|
#endif /* nsITextContent_h___ */
|