gecko-dev/docshell/base/nsILinkHandler.h
2012-05-21 12:12:37 +01:00

91 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsILinkHandler_h___
#define nsILinkHandler_h___
#include "nsISupports.h"
#include "nsIContent.h"
class nsIInputStream;
class nsIDocShell;
class nsIRequest;
class nsString;
class nsGUIEvent;
// Interface ID for nsILinkHandler
#define NS_ILINKHANDLER_IID \
{ 0xd85670a1, 0x224a, 0x4562, \
{ 0x87, 0xa9, 0x43, 0xa5, 0x24, 0xe7, 0xd0, 0x1b } }
/**
* Interface used for handling clicks on links
*/
class nsILinkHandler : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ILINKHANDLER_IID)
/**
* Process a click on a link.
*
* @param aContent the content for the frame that generated the trigger
* @param aURI a URI object that defines the destination for the link
* @param aTargetSpec indicates where the link is targeted (may be an empty
* string)
* @param aPostDataStream the POST data to send
* @param aHeadersDataStream ???
* @param aIsTrusted false if the triggerer is an untrusted DOM event.
*/
NS_IMETHOD OnLinkClick(nsIContent* aContent,
nsIURI* aURI,
const PRUnichar* aTargetSpec,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
bool aIsTrusted) = 0;
/**
* Process a click on a link.
*
* Works the same as OnLinkClick() except it happens immediately rather than
* through an event.
*
* @param aContent the content for the frame that generated the trigger
* @param aURI a URI obect that defines the destination for the link
* @param aTargetSpec indicates where the link is targeted (may be an empty
* string)
* @param aPostDataStream the POST data to send
* @param aHeadersDataStream ???
* @param aDocShell (out-param) the DocShell that the request was opened on
* @param aRequest the request that was opened
*/
NS_IMETHOD OnLinkClickSync(nsIContent* aContent,
nsIURI* aURI,
const PRUnichar* aTargetSpec,
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0,
nsIDocShell** aDocShell = 0,
nsIRequest** aRequest = 0) = 0;
/**
* Process a mouse-over a link.
*
* @param aContent the linked content.
* @param aURI an URI object that defines the destination for the link
* @param aTargetSpec indicates where the link is targeted (it may be an empty
* string)
*/
NS_IMETHOD OnOverLink(nsIContent* aContent,
nsIURI* aURLSpec,
const PRUnichar* aTargetSpec) = 0;
/**
* Process the mouse leaving a link.
*/
NS_IMETHOD OnLeaveLink() = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsILinkHandler, NS_ILINKHANDLER_IID)
#endif /* nsILinkHandler_h___ */