The Tor Browser / file comparison
comparison: uriloader/exthandler/nsLocalHandlerApp.cpp
uriloader/exthandler/nsLocalHandlerApp.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim:expandtab:shiftwidth=2:tabstop=2:cin: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "nsLocalHandlerApp.h" | |
| 8 #include "nsIURI.h" | |
| 9 #include "nsIProcess.h" | |
| 10 | |
| 11 // XXX why does nsMIMEInfoImpl have a threadsafe nsISupports? do we need one | |
| 12 // here too? | |
| 13 NS_IMPL_ISUPPORTS(nsLocalHandlerApp, nsILocalHandlerApp, nsIHandlerApp) | |
| 14 | |
| 15 //////////////////////////////////////////////////////////////////////////////// | |
| 16 //// nsIHandlerApp | |
| 17 | |
| 18 NS_IMETHODIMP nsLocalHandlerApp::GetName(nsAString& aName) | |
| 19 { | |
| 20 if (mName.IsEmpty() && mExecutable) { | |
| 21 // Don't want to cache this, just in case someone resets the app | |
| 22 // without changing the description.... | |
| 23 mExecutable->GetLeafName(aName); | |
| 24 } else { | |
| 25 aName.Assign(mName); | |
| 26 } | |
| 27 | |
| 28 return NS_OK; | |
| 29 } | |
| 30 | |
| 31 NS_IMETHODIMP nsLocalHandlerApp::SetName(const nsAString & aName) | |
| 32 { | |
| 33 mName.Assign(aName); | |
| 34 | |
| 35 return NS_OK; | |
| 36 } | |
| 37 | |
| 38 NS_IMETHODIMP | |
| 39 nsLocalHandlerApp::SetDetailedDescription(const nsAString & aDescription) | |
| 40 { | |
| 41 mDetailedDescription.Assign(aDescription); | |
| 42 | |
| 43 return NS_OK; | |
| 44 } | |
| 45 | |
| 46 NS_IMETHODIMP | |
| 47 nsLocalHandlerApp::GetDetailedDescription(nsAString& aDescription) | |
| 48 { | |
| 49 aDescription.Assign(mDetailedDescription); | |
| 50 | |
| 51 return NS_OK; | |
| 52 } | |
| 53 | |
| 54 NS_IMETHODIMP | |
| 55 nsLocalHandlerApp::Equals(nsIHandlerApp *aHandlerApp, bool *_retval) | |
| 56 { | |
| 57 NS_ENSURE_ARG_POINTER(aHandlerApp); | |
| 58 | |
| 59 *_retval = false; | |
| 60 | |
| 61 // If the handler app isn't a local handler app, then it's not the same app. | |
| 62 nsCOMPtr <nsILocalHandlerApp> localHandlerApp = do_QueryInterface(aHandlerApp); | |
| 63 if (!localHandlerApp) | |
| 64 return NS_OK; | |
| 65 | |
| 66 // If either handler app doesn't have an executable, then they aren't | |
| 67 // the same app. | |
| 68 nsCOMPtr<nsIFile> executable; | |
| 69 nsresult rv = localHandlerApp->GetExecutable(getter_AddRefs(executable)); | |
| 70 if (NS_FAILED(rv)) | |
| 71 return rv; | |
| 72 | |
| 73 // Equality for two empty nsIHandlerApp | |
| 74 if (!executable && !mExecutable) { | |
| 75 *_retval = true; | |
| 76 return NS_OK; | |
| 77 } | |
| 78 | |
| 79 // At least one is set so they are not equal | |
| 80 if (!mExecutable || !executable) | |
| 81 return NS_OK; | |
| 82 | |
| 83 // Check the command line parameter list lengths | |
| 84 uint32_t len; | |
| 85 localHandlerApp->GetParameterCount(&len); | |
| 86 if (mParameters.Length() != len) | |
| 87 return NS_OK; | |
| 88 | |
| 89 // Check the command line params lists | |
| 90 for (uint32_t idx = 0; idx < mParameters.Length(); idx++) { | |
| 91 nsAutoString param; | |
| 92 if (NS_FAILED(localHandlerApp->GetParameter(idx, param)) || | |
| 93 !param.Equals(mParameters[idx])) | |
| 94 return NS_OK; | |
| 95 } | |
| 96 | |
| 97 return executable->Equals(mExecutable, _retval); | |
| 98 } | |
| 99 | |
| 100 NS_IMETHODIMP | |
| 101 nsLocalHandlerApp::LaunchWithURI(nsIURI *aURI, | |
| 102 nsIInterfaceRequestor *aWindowContext) | |
| 103 { | |
| 104 // pass the entire URI to the handler. | |
| 105 nsAutoCString spec; | |
| 106 aURI->GetAsciiSpec(spec); | |
| 107 return LaunchWithIProcess(spec); | |
| 108 } | |
| 109 | |
| 110 nsresult | |
| 111 nsLocalHandlerApp::LaunchWithIProcess(const nsCString& aArg) | |
| 112 { | |
| 113 nsresult rv; | |
| 114 nsCOMPtr<nsIProcess> process = do_CreateInstance(NS_PROCESS_CONTRACTID, &rv); | |
| 115 if (NS_FAILED(rv)) | |
| 116 return rv; | |
| 117 | |
| 118 if (NS_FAILED(rv = process->Init(mExecutable))) | |
| 119 return rv; | |
| 120 | |
| 121 const char *string = aArg.get(); | |
| 122 | |
| 123 return process->Run(false, &string, 1); | |
| 124 } | |
| 125 | |
| 126 //////////////////////////////////////////////////////////////////////////////// | |
| 127 //// nsILocalHandlerApp | |
| 128 | |
| 129 /* attribute nsIFile executable; */ | |
| 130 NS_IMETHODIMP | |
| 131 nsLocalHandlerApp::GetExecutable(nsIFile **aExecutable) | |
| 132 { | |
| 133 NS_IF_ADDREF(*aExecutable = mExecutable); | |
| 134 return NS_OK; | |
| 135 } | |
| 136 | |
| 137 NS_IMETHODIMP | |
| 138 nsLocalHandlerApp::SetExecutable(nsIFile *aExecutable) | |
| 139 { | |
| 140 mExecutable = aExecutable; | |
| 141 return NS_OK; | |
| 142 } | |
| 143 | |
| 144 /* readonly attribute unsigned long parameterCount; */ | |
| 145 NS_IMETHODIMP | |
| 146 nsLocalHandlerApp::GetParameterCount(uint32_t *aParameterCount) | |
| 147 { | |
| 148 *aParameterCount = mParameters.Length(); | |
| 149 return NS_OK; | |
| 150 } | |
| 151 | |
| 152 /* void clearParameters (); */ | |
| 153 NS_IMETHODIMP | |
| 154 nsLocalHandlerApp::ClearParameters() | |
| 155 { | |
| 156 mParameters.Clear(); | |
| 157 return NS_OK; | |
| 158 } | |
| 159 | |
| 160 /* void appendParameter (in AString param); */ | |
| 161 NS_IMETHODIMP | |
| 162 nsLocalHandlerApp::AppendParameter(const nsAString & aParam) | |
| 163 { | |
| 164 mParameters.AppendElement(aParam); | |
| 165 return NS_OK; | |
| 166 } | |
| 167 | |
| 168 /* AString getParameter (in unsigned long parameterIndex); */ | |
| 169 NS_IMETHODIMP | |
| 170 nsLocalHandlerApp::GetParameter(uint32_t parameterIndex, nsAString & _retval) | |
| 171 { | |
| 172 if (mParameters.Length() <= parameterIndex) | |
| 173 return NS_ERROR_INVALID_ARG; | |
| 174 | |
| 175 _retval.Assign(mParameters[parameterIndex]); | |
| 176 return NS_OK; | |
| 177 } | |
| 178 | |
| 179 /* boolean parameterExists (in AString param); */ | |
| 180 NS_IMETHODIMP | |
| 181 nsLocalHandlerApp::ParameterExists(const nsAString & aParam, bool *_retval) | |
| 182 { | |
| 183 *_retval = mParameters.Contains(aParam); | |
| 184 return NS_OK; | |
| 185 } |
