2001-09-29 00:14:13 +04:00
|
|
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
2004-04-18 18:30:37 +04:00
|
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
1999-08-31 02:38:58 +04:00
|
|
|
*
|
2004-04-18 18:30:37 +04:00
|
|
|
* 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/
|
1999-08-31 02:38:58 +04:00
|
|
|
*
|
2001-09-29 00:14:13 +04:00
|
|
|
* 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.
|
1999-08-31 02:38:58 +04:00
|
|
|
*
|
1999-11-06 06:40:37 +03:00
|
|
|
* The Original Code is mozilla.org code.
|
|
|
|
*
|
2004-04-18 18:30:37 +04:00
|
|
|
* The Initial Developer of the Original Code is
|
2001-09-29 00:14:13 +04:00
|
|
|
* Netscape Communications Corporation.
|
|
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
|
|
* the Initial Developer. All Rights Reserved.
|
1999-11-06 06:40:37 +03:00
|
|
|
*
|
2001-09-29 00:14:13 +04:00
|
|
|
* Contributor(s):
|
2000-02-03 01:24:56 +03:00
|
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
2001-09-29 00:14:13 +04:00
|
|
|
*
|
|
|
|
* Alternatively, the contents of this file may be used under the terms of
|
2004-04-18 18:30:37 +04:00
|
|
|
* 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"),
|
2001-09-29 00:14:13 +04:00
|
|
|
* 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
|
2004-04-18 18:30:37 +04:00
|
|
|
* use your version of this file under the terms of the MPL, indicate your
|
2001-09-29 00:14:13 +04:00
|
|
|
* 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
|
2004-04-18 18:30:37 +04:00
|
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
2001-09-29 00:14:13 +04:00
|
|
|
*
|
|
|
|
* ***** END LICENSE BLOCK ***** */
|
1999-08-31 02:38:58 +04:00
|
|
|
|
|
|
|
#include "nsILayoutHistoryState.h"
|
2001-05-12 19:52:06 +04:00
|
|
|
#include "nsWeakReference.h"
|
1999-08-31 02:38:58 +04:00
|
|
|
#include "nsHashtable.h"
|
1999-09-04 02:10:57 +04:00
|
|
|
|
2001-05-12 19:52:06 +04:00
|
|
|
class nsLayoutHistoryState : public nsILayoutHistoryState,
|
|
|
|
public nsSupportsWeakReference
|
1999-08-31 02:38:58 +04:00
|
|
|
{
|
|
|
|
public:
|
|
|
|
nsLayoutHistoryState();
|
|
|
|
virtual ~nsLayoutHistoryState();
|
|
|
|
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
|
|
|
|
// nsILayoutHistoryState
|
2001-05-30 15:26:21 +04:00
|
|
|
NS_IMETHOD AddState(const nsCString& aKey, nsIPresState* aState);
|
|
|
|
NS_IMETHOD GetState(const nsCString& aKey, nsIPresState** aState);
|
|
|
|
NS_IMETHOD RemoveState(const nsCString& aKey);
|
2000-01-14 12:28:54 +03:00
|
|
|
|
1999-08-31 02:38:58 +04:00
|
|
|
|
|
|
|
private:
|
|
|
|
nsSupportsHashtable mStates;
|
|
|
|
};
|
|
|
|
|
1999-09-04 02:10:57 +04:00
|
|
|
|
1999-08-31 02:38:58 +04:00
|
|
|
nsresult
|
|
|
|
NS_NewLayoutHistoryState(nsILayoutHistoryState** aState)
|
|
|
|
{
|
2001-05-30 15:26:21 +04:00
|
|
|
NS_ENSURE_ARG_POINTER(aState);
|
1999-08-31 02:38:58 +04:00
|
|
|
if (! aState)
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
|
2001-05-12 19:52:06 +04:00
|
|
|
nsLayoutHistoryState *state = new nsLayoutHistoryState();
|
|
|
|
if (!state)
|
1999-08-31 02:38:58 +04:00
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
|
2001-05-12 19:52:06 +04:00
|
|
|
*aState = NS_STATIC_CAST(nsILayoutHistoryState *, state);
|
1999-08-31 02:38:58 +04:00
|
|
|
NS_ADDREF(*aState);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsLayoutHistoryState::nsLayoutHistoryState()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
nsLayoutHistoryState::~nsLayoutHistoryState()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2001-05-12 19:52:06 +04:00
|
|
|
NS_IMPL_ISUPPORTS2(nsLayoutHistoryState,
|
|
|
|
nsILayoutHistoryState,
|
2003-09-08 02:37:27 +04:00
|
|
|
nsISupportsWeakReference)
|
1999-08-31 02:38:58 +04:00
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2001-05-30 15:26:21 +04:00
|
|
|
nsLayoutHistoryState::AddState(const nsCString& aStateKey,
|
|
|
|
nsIPresState* aState)
|
1999-08-31 02:38:58 +04:00
|
|
|
{
|
2001-05-30 15:26:21 +04:00
|
|
|
nsCStringKey key(aStateKey);
|
|
|
|
|
2000-06-07 02:06:56 +04:00
|
|
|
/*
|
2001-05-30 15:26:21 +04:00
|
|
|
* nsSupportsHashtable::Put() returns false when no object was
|
|
|
|
* replaced when inserting the new one, true if one was.
|
1999-09-15 06:30:39 +04:00
|
|
|
*/
|
2001-05-30 15:26:21 +04:00
|
|
|
#ifdef DEBUG_pollmann
|
|
|
|
PRBool replaced =
|
|
|
|
#endif
|
|
|
|
|
|
|
|
mStates.Put (&key, aState);
|
|
|
|
|
|
|
|
#ifdef DEBUG_pollmann
|
|
|
|
NS_ASSERTION(!replaced,
|
|
|
|
"nsLayoutHistoryState::AddState OOPS!. There was already a state in the hash table for the key\n");
|
2000-10-29 02:17:53 +04:00
|
|
|
#endif
|
1999-09-15 06:30:39 +04:00
|
|
|
|
2000-06-07 02:06:56 +04:00
|
|
|
return NS_OK;
|
1999-08-31 02:38:58 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2001-05-30 15:26:21 +04:00
|
|
|
nsLayoutHistoryState::GetState(const nsCString& aKey,
|
|
|
|
nsIPresState** aState)
|
1999-08-31 02:38:58 +04:00
|
|
|
{
|
1999-09-15 06:30:39 +04:00
|
|
|
nsresult rv = NS_OK;
|
2001-05-30 15:26:21 +04:00
|
|
|
nsCStringKey key(aKey);
|
2000-06-07 02:06:56 +04:00
|
|
|
nsISupports *state = nsnull;
|
1999-09-15 06:30:39 +04:00
|
|
|
state = mStates.Get(&key);
|
|
|
|
if (state) {
|
2000-01-14 12:28:54 +03:00
|
|
|
*aState = (nsIPresState *)state;
|
1999-09-15 06:30:39 +04:00
|
|
|
}
|
|
|
|
else {
|
2000-10-29 02:17:53 +04:00
|
|
|
#if 0
|
|
|
|
printf("nsLayoutHistoryState::GetState, ERROR getting History state for the key\n");
|
|
|
|
#endif
|
1999-09-15 06:30:39 +04:00
|
|
|
*aState = nsnull;
|
2000-01-25 09:35:27 +03:00
|
|
|
rv = NS_OK;
|
1999-09-15 06:30:39 +04:00
|
|
|
}
|
1999-09-04 02:10:57 +04:00
|
|
|
return rv;
|
1999-08-31 02:38:58 +04:00
|
|
|
}
|
2000-01-14 12:28:54 +03:00
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2001-05-30 15:26:21 +04:00
|
|
|
nsLayoutHistoryState::RemoveState(const nsCString& aKey)
|
2000-01-14 12:28:54 +03:00
|
|
|
{
|
|
|
|
nsresult rv = NS_OK;
|
2001-05-30 15:26:21 +04:00
|
|
|
nsCStringKey key(aKey);
|
2000-06-07 02:06:56 +04:00
|
|
|
mStates.Remove(&key);
|
2000-01-14 12:28:54 +03:00
|
|
|
return rv;
|
|
|
|
}
|