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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator client code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef nsILinkHandler_h___
- #define nsILinkHandler_h___
-
- #include "nsISupports.h"
-
- class nsIInputStream;
- class nsIDocShell;
- class nsIRequest;
- class nsIContent;
- class nsString;
- class nsGUIEvent;
-
- // Interface ID for nsILinkHandler
- #define NS_ILINKHANDLER_IID \
- { 0xa6cf905b, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
-
- enum nsLinkState {
- eLinkState_Unknown = 0,
- eLinkState_Unvisited = 1,
- eLinkState_Visited = 2,
- eLinkState_NotLink = 3
- };
-
- // XXX Verb to use for link actuation. These are the verbs specified
- // in the current XLink draft. We may actually want to support more
- // (especially for extended links).
- enum nsLinkVerb {
- eLinkVerb_Replace = 0,
- eLinkVerb_New = 1,
- eLinkVerb_Embed = 2,
- eLinkVerb_Undefined = 3
- };
-
- /**
- * Interface used for handling clicks on links
- */
- class nsILinkHandler : public nsISupports {
- public:
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_ILINKHANDLER_IID)
-
- /**
- * Process a click on a link.
- *
- * @param aContent the content for the frame that generated the trigger
- * @param aVerb the verb to use when the link is triggered
- * @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 ???
- */
- NS_IMETHOD OnLinkClick(nsIContent* aContent,
- nsLinkVerb aVerb,
- nsIURI* aURI,
- const PRUnichar* aTargetSpec,
- nsIInputStream* aPostDataStream = 0,
- nsIInputStream* aHeadersDataStream = 0) = 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 aVerb the verb to use when the link is triggered
- * @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,
- nsLinkVerb aVerb,
- 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;
-
-
- /**
- * Get the state of a link to a given absolute URL
- */
- NS_IMETHOD GetLinkState(nsIURI* aLinkURI, nsLinkState& aState) = 0;
- };
-
- #endif /* nsILinkHandler_h___ */
-