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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