pjs/webshell/public/nsILinkHandler.h

81 строка
2.7 KiB
C
Исходник Обычный вид История

1998-04-14 00:24:54 +04:00
/* -*- 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 nsILinkHandler_h___
#define nsILinkHandler_h___
#include "nsweb.h"
#include "nsIWebWidget.h"
class nsIFrame;
class nsString;
class nsIPostData;
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struct nsGUIEvent;
/* 52bd1e30-ce3f-11d1-9328-00805f8add32 */
#define NS_ILINKHANDLER_IID \
{ 0x52bd1e30, 0xce3f, 0x11d1, \
{0x93, 0x28, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
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enum nsLinkState {
eLinkState_Unvisited = 0,
eLinkState_Visited = 1,
eLinkState_OutOfDate = 2, // visited, but the cache is stale
eLinkState_Active = 3, // mouse is down on link
eLinkState_Hover = 4 // mouse is hovering over link
};
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/**
* Interface used for handling clicks on links
*/
class nsILinkHandler : public nsISupports {
public:
NS_IMETHOD Init(nsIWebWidget* aWidget) = 0;
NS_IMETHOD GetWebWidget(nsIWebWidget** aResult) = 0;
/**
* Process a click on a link. aFrame is the frame that contains the
* linked content. aURLSpec is an absolute url spec that defines the
* destination for the link. aTargetSpec indicates where the link is
* targeted (it may be an empty string).
*/
NS_IMETHOD OnLinkClick(nsIFrame* aFrame,
const nsString& aURLSpec,
const nsString& aTargetSpec,
nsIPostData* aPostData = 0) = 0;
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/**
* Process a mouse-over a link. aFrame is the frame that contains the
* linked content. aURLSpec is an absolute url spec that defines the
* destination for the link. aTargetSpec indicates where the link is
* targeted (it may be an empty string).
*/
NS_IMETHOD OnOverLink(nsIFrame* aFrame,
const nsString& aURLSpec,
const nsString& aTargetSpec) = 0;
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/**
* Get the state of a link to a given absolute URL
*/
NS_IMETHOD GetLinkState(const nsString& aURLSpec, nsLinkState& aState) = 0;
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};
// Standard link handler that does what you would expect (XXX doc...)
extern NS_WEB nsresult NS_NewLinkHandler(nsILinkHandler** aInstancePtrResult);
#endif /* nsILinkHandler_h___ */