LCOV - app.info - uriloader/exthandler/nsLocalHandlerApp.cpp

LCOV - code coverage report
| Current view: | directory - uriloader/exthandler - nsLocalHandlerApp.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 74 | 60 | 81.1 %
| Date: | 2012-06-02 | Functions: | 17 | 15 | 88.2 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
           2                 :  * vim:expandtab:shiftwidth=2:tabstop=2:cin:
           3                 :  * ***** BEGIN LICENSE BLOCK *****
           4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           5                 :  *
           6                 :  * The contents of this file are subject to the Mozilla Public License Version
           7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           8                 :  * the License. You may obtain a copy of the License at
           9                 :  * http://www.mozilla.org/MPL/
          10                 :  *
          11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          13                 :  * for the specific language governing rights and limitations under the
          14                 :  * License.
          15                 :  *
          16                 :  * The Original Code is the Mozilla browser.
          17                 :  *
          18                 :  * The Initial Developer of the Original Code is
          19                 :  * the Mozilla Corporation.
          20                 :  * Portions created by the Initial Developer are Copyright (C) 2007
          21                 :  * the Initial Developer. All Rights Reserved.
          22                 :  *
          23                 :  * Contributor(s):
          24                 :  *   Dan Mosedale <dmose@mozilla.org>
          25                 :  *   Myk Melez <myk@mozilla.org>
          26                 :  *
          27                 :  * Alternatively, the contents of this file may be used under the terms of
          28                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          29                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          31                 :  * of those above. If you wish to allow use of your version of this file only
          32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          33                 :  * use your version of this file under the terms of the MPL, indicate your
          34                 :  * decision by deleting the provisions above and replace them with the notice
          35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          36                 :  * the provisions above, a recipient may use your version of this file under
          37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          38                 :  *
          39                 :  * ***** END LICENSE BLOCK ***** */
          40                 :
          41                 : #include "nsLocalHandlerApp.h"
          42                 : #include "nsIURI.h"
          43                 : #include "nsIProcess.h"
          44                 :
          45                 : // XXX why does nsMIMEInfoImpl have a threadsafe nsISupports?  do we need one
          46                 : // here too?
          47             384 : NS_IMPL_ISUPPORTS2(nsLocalHandlerApp, nsILocalHandlerApp, nsIHandlerApp)
          48                 :
          49                 : ////////////////////////////////////////////////////////////////////////////////
          50                 : //// nsIHandlerApp
          51                 :
          52               3 : NS_IMETHODIMP nsLocalHandlerApp::GetName(nsAString& aName)
          53                 : {
          54               3 :   if (mName.IsEmpty() && mExecutable) {
          55                 :     // Don't want to cache this, just in case someone resets the app
          56                 :     // without changing the description....
          57               0 :     mExecutable->GetLeafName(aName);
          58                 :   } else {
          59               3 :     aName.Assign(mName);
          60                 :   }
          61                 :
          62               3 :   return NS_OK;
          63                 : }
          64                 :
          65               7 : NS_IMETHODIMP nsLocalHandlerApp::SetName(const nsAString & aName)
          66                 : {
          67               7 :   mName.Assign(aName);
          68                 :
          69               7 :   return NS_OK;
          70                 : }
          71                 :
          72                 : NS_IMETHODIMP
          73               0 : nsLocalHandlerApp::SetDetailedDescription(const nsAString & aDescription)
          74                 : {
          75               0 :   mDetailedDescription.Assign(aDescription);
          76                 :
          77               0 :   return NS_OK;
          78                 : }
          79                 :
          80                 : NS_IMETHODIMP
          81               0 : nsLocalHandlerApp::GetDetailedDescription(nsAString& aDescription)
          82                 : {
          83               0 :   aDescription.Assign(mDetailedDescription);
          84                 :
          85               0 :   return NS_OK;
          86                 : }
          87                 :
          88                 : NS_IMETHODIMP
          89               5 : nsLocalHandlerApp::Equals(nsIHandlerApp *aHandlerApp, bool *_retval)
          90                 : {
          91               5 :   NS_ENSURE_ARG_POINTER(aHandlerApp);
          92                 :
          93               5 :   *_retval = false;
          94                 :
          95                 :   // If the handler app isn't a local handler app, then it's not the same app.
          96              10 :   nsCOMPtr <nsILocalHandlerApp> localHandlerApp = do_QueryInterface(aHandlerApp);
          97               5 :   if (!localHandlerApp)
          98               0 :     return NS_OK;
          99                 :
         100                 :   // If either handler app doesn't have an executable, then they aren't
         101                 :   // the same app.
         102              10 :   nsCOMPtr<nsIFile> executable;
         103               5 :   nsresult rv = localHandlerApp->GetExecutable(getter_AddRefs(executable));
         104               5 :   if (NS_FAILED(rv))
         105               0 :     return rv;
         106                 :
         107                 :   // Equality for two empty nsIHandlerApp
         108               5 :   if (!executable && !mExecutable) {
         109               1 :     *_retval = true;
         110               1 :     return NS_OK;
         111                 :   }
         112                 :
         113                 :   // At least one is set so they are not equal
         114               4 :   if (!mExecutable || !executable)
         115               0 :     return NS_OK;
         116                 :
         117                 :   // Check the command line parameter list lengths
         118                 :   PRUint32 len;
         119               4 :   localHandlerApp->GetParameterCount(&len);
         120               4 :   if (mParameters.Length() != len)
         121               0 :     return NS_OK;
         122                 :
         123                 :   // Check the command line params lists
         124               7 :   for (PRUint32 idx = 0; idx < mParameters.Length(); idx++) {
         125               8 :     nsAutoString param;
         126               8 :     if (NS_FAILED(localHandlerApp->GetParameter(idx, param)) ||
         127               4 :         !param.Equals(mParameters[idx]))
         128               1 :       return NS_OK;
         129                 :   }
         130                 :
         131               3 :   return executable->Equals(mExecutable, _retval);
         132                 : }
         133                 :
         134                 : NS_IMETHODIMP
         135               1 : nsLocalHandlerApp::LaunchWithURI(nsIURI *aURI,
         136                 :                                  nsIInterfaceRequestor *aWindowContext)
         137                 : {
         138                 :   // pass the entire URI to the handler.
         139               2 :   nsCAutoString spec;
         140               1 :   aURI->GetAsciiSpec(spec);
         141               1 :   return LaunchWithIProcess(spec);
         142                 : }
         143                 :
         144                 : nsresult
         145               1 : nsLocalHandlerApp::LaunchWithIProcess(const nsCString& aArg)
         146                 : {
         147                 :   nsresult rv;
         148               2 :   nsCOMPtr<nsIProcess> process = do_CreateInstance(NS_PROCESS_CONTRACTID, &rv);
         149               1 :   if (NS_FAILED(rv))
         150               0 :     return rv;
         151                 :
         152               1 :   if (NS_FAILED(rv = process->Init(mExecutable)))
         153               0 :     return rv;
         154                 :
         155               1 :   const char *string = aArg.get();
         156                 :
         157               1 :   return process->Run(false, &string, 1);
         158                 : }
         159                 :
         160                 : ////////////////////////////////////////////////////////////////////////////////
         161                 : //// nsILocalHandlerApp
         162                 :
         163                 : /* attribute nsIFile executable; */
         164                 : NS_IMETHODIMP
         165               7 : nsLocalHandlerApp::GetExecutable(nsIFile **aExecutable)
         166                 : {
         167               7 :   NS_IF_ADDREF(*aExecutable = mExecutable);
         168               7 :   return NS_OK;
         169                 : }
         170                 :
         171                 : NS_IMETHODIMP
         172               9 : nsLocalHandlerApp::SetExecutable(nsIFile *aExecutable)
         173                 : {
         174               9 :   mExecutable = aExecutable;
         175               9 :   return NS_OK;
         176                 : }
         177                 :
         178                 : /* readonly attribute unsigned long parameterCount; */
         179                 : NS_IMETHODIMP
         180               7 : nsLocalHandlerApp::GetParameterCount(PRUint32 *aParameterCount)
         181                 : {
         182               7 :   *aParameterCount = mParameters.Length();
         183               7 :   return NS_OK;
         184                 : }
         185                 :
         186                 : /* void clearParameters (); */
         187                 : NS_IMETHODIMP
         188               4 : nsLocalHandlerApp::ClearParameters()
         189                 : {
         190               4 :   mParameters.Clear();
         191               4 :   return NS_OK;
         192                 : }
         193                 :
         194                 : /* void appendParameter (in AString param); */
         195                 : NS_IMETHODIMP
         196              14 : nsLocalHandlerApp::AppendParameter(const nsAString & aParam)
         197                 : {
         198              14 :   mParameters.AppendElement(aParam);
         199              14 :   return NS_OK;
         200                 : }
         201                 :
         202                 : /* AString getParameter (in unsigned long parameterIndex); */
         203                 : NS_IMETHODIMP
         204               7 : nsLocalHandlerApp::GetParameter(PRUint32 parameterIndex, nsAString & _retval)
         205                 : {
         206               7 :   if (mParameters.Length() <= parameterIndex)
         207               0 :     return NS_ERROR_INVALID_ARG;
         208                 :
         209               7 :   _retval.Assign(mParameters[parameterIndex]);
         210               7 :   return NS_OK;
         211                 : }
         212                 :
         213                 : /* boolean parameterExists (in AString param); */
         214                 : NS_IMETHODIMP
         215               3 : nsLocalHandlerApp::ParameterExists(const nsAString & aParam, bool *_retval)
         216                 : {
         217               3 :   *_retval = mParameters.Contains(aParam);
         218               3 :   return NS_OK;
         219                 : }

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