mirror of
https://github.com/mozilla/gecko-dev.git
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152 lines
4.2 KiB
C++
152 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Rod Spears <rods@netscape.com>
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//
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// CMostRecentUrls object is responsible for keeping track of the
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// 16 most recently used URLs. It stores this list in a file named
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// "urls.txt" on a per profile basis in the user's profile directory
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//
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// The constructor loads the URL list
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// The destructor saves the URL list
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//
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#include "StdAfx.h"
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#include "nsIFile.h"
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#include "nsILocalFile.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "MostRecentUrls.h"
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//--------------------------------------------------------
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//-- CMostRecentUrls
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//--------------------------------------------------------
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CMostRecentUrls::CMostRecentUrls() :
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mNumURLs(0)
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{
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for (int i=0;i<MAX_URLS;i++) {
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mURLs[i] = NULL;
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}
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FILE * fd = GetFD("r");
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if (fd) {
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char line[512];
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while (fgets(line, 512, fd)) {
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if (strlen(line) > 1) {
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line[strlen(line)-1] = 0;
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mURLs[mNumURLs++] = _strdup(line);
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}
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}
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fclose(fd);
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}
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}
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FILE * CMostRecentUrls::GetFD(const char * aMode)
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{
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FILE * fd = nsnull;
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nsCOMPtr<nsIFile> file;
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nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(file));
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if (NS_SUCCEEDED(rv)) {
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nsCOMPtr<nsILocalFile> local_file(do_QueryInterface(file));
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local_file->AppendNative(NS_LITERAL_CSTRING("urls.txt"));
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local_file->OpenANSIFileDesc(aMode, &fd);
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}
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return fd;
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}
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CMostRecentUrls::~CMostRecentUrls()
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{
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FILE * fd = GetFD("w");
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if (fd) {
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for (int i=0;i<MAX_URLS;i++) {
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if(mURLs[i])
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fprintf(fd, "%s\n", mURLs[i]);
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}
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fclose(fd);
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}
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for (int i=0;i<MAX_URLS;i++) {
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if(mURLs[i])
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free(mURLs[i]);
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}
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}
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char * CMostRecentUrls::GetURL(int aInx)
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{
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if (aInx < mNumURLs) {
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return mURLs[aInx];
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}
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return NULL;
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}
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void CMostRecentUrls::AddURL(const char * aURL)
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{
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TCHAR szTemp[512];
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strcpy(szTemp, aURL);
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// check to see if an existing url matches the one passed in
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for (int i=0; i<MAX_URLS-1; i++)
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{
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if(mURLs[i])
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{
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if(strcmpi(mURLs[i], szTemp) == 0)
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break;
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}
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}
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// if there was a match "i" will point to matching url entry
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// if not i will be MAX_URLS-1
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// move all url entries before this one down
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for (; i>0; i--)
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{
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if(mURLs[i])
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free(mURLs[i]);
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if(mURLs[i-1])
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mURLs[i] = _strdup(mURLs[i-1]);
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}
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// place this url at the top
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if(mURLs[0])
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free(mURLs[0]);
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mURLs[0] = _strdup(szTemp);
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}
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