gecko/docshell/base/nsILinkHandler.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 04:12:37 -07:00
/* 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 "mozilla/EventForwards.h"
class nsIContent;
class nsIDocShell;
class nsIInputStream;
class nsIRequest;
class nsString;
// Interface ID for nsILinkHandler
#define NS_ILINKHANDLER_IID \
{ 0xceb9aade, 0x43da, 0x4f1a, \
{ 0xac, 0x8a, 0xc7, 0x09, 0xfb, 0x22, 0x46, 0x64 } }
/**
* 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 aFileName non-null when the link should be downloaded as the given file
* @param aHeadersDataStream ???
* @param aIsTrusted false if the triggerer is an untrusted DOM event.
*/
NS_IMETHOD OnLinkClick(nsIContent* aContent,
nsIURI* aURI,
const char16_t* aTargetSpec,
const nsAString& aFileName,
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 aFileName non-null when the link should be downloaded as the given file
* @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 char16_t* aTargetSpec,
const nsAString& aFileName,
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 char16_t* aTargetSpec) = 0;
/**
* Process the mouse leaving a link.
*/
NS_IMETHOD OnLeaveLink() = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsILinkHandler, NS_ILINKHANDLER_IID)
#endif /* nsILinkHandler_h___ */