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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.org 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 ***** */
#include "nsCOMPtr.h"
#include "nsXPCOM.h"
#include "nsISupportsPrimitives.h"
#include "nsIComponentManager.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "nsLayoutErrors.h"
#include "nsPresState.h"
#include "nsString.h"
// Implementation /////////////////////////////////////////////////////////////////
nsresult
nsPresState::Init()
{
return mPropertyTable.Init(8) ? NS_OK : NS_ERROR_FAILURE;
}
nsresult
nsPresState::GetStateProperty(const nsAString& aName, nsAString& aResult)
{
nsresult rv = NS_STATE_PROPERTY_NOT_THERE;
aResult.Truncate();
// Retrieve from hashtable.
nsISupports *data = mPropertyTable.GetWeak(aName);
// Strings are stored in the table as UTF-8, to save space.
// XXX minimize conversions here...
nsCOMPtr<nsISupportsCString> supportsStr = do_QueryInterface(data);
if (supportsStr) {
nsCAutoString data;
supportsStr->GetData(data);
CopyUTF8toUTF16(data, aResult);
rv = NS_STATE_PROPERTY_EXISTS;
}
return rv;
}
nsresult
nsPresState::SetStateProperty(const nsAString& aName, const nsAString& aValue)
{
// Add to hashtable
nsCOMPtr<nsISupportsCString> supportsStr(do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID));
NS_ENSURE_TRUE(supportsStr, NS_ERROR_OUT_OF_MEMORY);
supportsStr->SetData(NS_ConvertUCS2toUTF8(aValue));
mPropertyTable.Put(aName, supportsStr);
return NS_OK;
}
nsresult
nsPresState::RemoveStateProperty(const nsAString& aName)
{
mPropertyTable.Remove(aName);
return NS_OK;
}
nsresult
nsPresState::GetStatePropertyAsSupports(const nsAString& aName,
nsISupports** aResult)
{
// Retrieve from hashtable.
mPropertyTable.Get(aName, aResult);
return NS_OK;
}
nsresult
nsPresState::SetStatePropertyAsSupports(const nsAString& aName,
nsISupports* aValue)
{
mPropertyTable.Put(aName, aValue);
return NS_OK;
}
nsresult
NS_NewPresState(nsPresState** aState)
{
nsPresState *state;
*aState = nsnull;
state = new nsPresState();
if (!state)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = state->Init();
if (NS_SUCCEEDED(rv))
*aState = state;
else
delete state;
return rv;
}
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