michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsAppFileLocationProvider.h"
michael@0: #include "nsAppDirectoryServiceDefs.h"
michael@0: #include "nsDirectoryServiceDefs.h"
michael@0: #include "nsIAtom.h"
michael@0: #include "nsIFile.h"
michael@0: #include "nsString.h"
michael@0: #include "nsXPIDLString.h"
michael@0: #include "nsISimpleEnumerator.h"
michael@0: #include "prenv.h"
michael@0: #include "nsCRT.h"
michael@0: #include "nsXPCOMPrivate.h"  // for XPCOM_FILE_PATH_SEPARATOR
michael@0: 
michael@0: #if defined(MOZ_WIDGET_COCOA)
michael@0: #include <Carbon/Carbon.h>
michael@0: #include "nsILocalFileMac.h"
michael@0: #elif defined(XP_WIN)
michael@0: #include <windows.h>
michael@0: #include <shlobj.h>
michael@0: #elif defined(XP_UNIX)
michael@0: #include <unistd.h>
michael@0: #include <stdlib.h>
michael@0: #include <sys/param.h>
michael@0: #endif
michael@0: 
michael@0: 
michael@0: // WARNING: These hard coded names need to go away. They need to
michael@0: // come from localizable resources
michael@0: 
michael@0: #if defined(MOZ_WIDGET_COCOA)
michael@0: #define APP_REGISTRY_NAME NS_LITERAL_CSTRING("Application Registry")
michael@0: #define ESSENTIAL_FILES   NS_LITERAL_CSTRING("Essential Files")
michael@0: #elif defined(XP_WIN)
michael@0: #define APP_REGISTRY_NAME NS_LITERAL_CSTRING("registry.dat")
michael@0: #else
michael@0: #define APP_REGISTRY_NAME NS_LITERAL_CSTRING("appreg")
michael@0: #endif
michael@0: 
michael@0: // define default product directory
michael@0: #define DEFAULT_PRODUCT_DIR NS_LITERAL_CSTRING(MOZ_USER_DIR)
michael@0: 
michael@0: // Locally defined keys used by nsAppDirectoryEnumerator
michael@0: #define NS_ENV_PLUGINS_DIR          "EnvPlugins"    // env var MOZ_PLUGIN_PATH
michael@0: #define NS_USER_PLUGINS_DIR         "UserPlugins"
michael@0: 
michael@0: #ifdef MOZ_WIDGET_COCOA
michael@0: #define NS_MACOSX_USER_PLUGIN_DIR   "OSXUserPlugins"
michael@0: #define NS_MACOSX_LOCAL_PLUGIN_DIR  "OSXLocalPlugins"
michael@0: #define NS_MACOSX_JAVA2_PLUGIN_DIR  "OSXJavaPlugins"
michael@0: #elif XP_UNIX
michael@0: #define NS_SYSTEM_PLUGINS_DIR       "SysPlugins"
michael@0: #endif
michael@0: 
michael@0: #define DEFAULTS_DIR_NAME           NS_LITERAL_CSTRING("defaults")
michael@0: #define DEFAULTS_PREF_DIR_NAME      NS_LITERAL_CSTRING("pref")
michael@0: #define DEFAULTS_PROFILE_DIR_NAME   NS_LITERAL_CSTRING("profile")
michael@0: #define RES_DIR_NAME                NS_LITERAL_CSTRING("res")
michael@0: #define CHROME_DIR_NAME             NS_LITERAL_CSTRING("chrome")
michael@0: #define PLUGINS_DIR_NAME            NS_LITERAL_CSTRING("plugins")
michael@0: #define SEARCH_DIR_NAME             NS_LITERAL_CSTRING("searchplugins")
michael@0: 
michael@0: //*****************************************************************************
michael@0: // nsAppFileLocationProvider::Constructor/Destructor
michael@0: //*****************************************************************************
michael@0: 
michael@0: nsAppFileLocationProvider::nsAppFileLocationProvider()
michael@0: {
michael@0: }
michael@0: 
michael@0: //*****************************************************************************
michael@0: // nsAppFileLocationProvider::nsISupports
michael@0: //*****************************************************************************
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsAppFileLocationProvider, nsIDirectoryServiceProvider, nsIDirectoryServiceProvider2)
michael@0: 
michael@0: //*****************************************************************************
michael@0: // nsAppFileLocationProvider::nsIDirectoryServiceProvider
michael@0: //*****************************************************************************
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsAppFileLocationProvider::GetFile(const char *prop, bool *persistent, nsIFile **_retval)
michael@0: {
michael@0:     if (NS_WARN_IF(!prop))
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:     nsCOMPtr<nsIFile>  localFile;
michael@0:     nsresult rv = NS_ERROR_FAILURE;
michael@0: 
michael@0:     *_retval = nullptr;
michael@0:     *persistent = true;
michael@0: 
michael@0: #ifdef MOZ_WIDGET_COCOA
michael@0:     FSRef fileRef;
michael@0:     nsCOMPtr<nsILocalFileMac> macFile;
michael@0: #endif
michael@0:     
michael@0:     if (nsCRT::strcmp(prop, NS_APP_APPLICATION_REGISTRY_DIR) == 0)
michael@0:     {
michael@0:         rv = GetProductDirectory(getter_AddRefs(localFile));
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_APPLICATION_REGISTRY_FILE) == 0)
michael@0:     {
michael@0:         rv = GetProductDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendNative(APP_REGISTRY_NAME);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_DEFAULTS_50_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_PREF_DEFAULTS_50_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv)) {
michael@0:             rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
michael@0:             if (NS_SUCCEEDED(rv))
michael@0:                 rv = localFile->AppendRelativeNativePath(DEFAULTS_PREF_DIR_NAME);
michael@0:         }
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_PROFILE_DEFAULTS_50_DIR) == 0 ||
michael@0:              nsCRT::strcmp(prop, NS_APP_PROFILE_DEFAULTS_NLOC_50_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv)) {
michael@0:             rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
michael@0:             if (NS_SUCCEEDED(rv))
michael@0:                 rv = localFile->AppendRelativeNativePath(DEFAULTS_PROFILE_DIR_NAME);
michael@0:         }
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_USER_PROFILES_ROOT_DIR) == 0)
michael@0:     {
michael@0:         rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile));
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_USER_PROFILES_LOCAL_ROOT_DIR) == 0)
michael@0:     {
michael@0:         rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile), true);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_RES_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendRelativeNativePath(RES_DIR_NAME);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_CHROME_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendRelativeNativePath(CHROME_DIR_NAME);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_PLUGINS_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
michael@0:     }
michael@0: #ifdef MOZ_WIDGET_COCOA
michael@0:     else if (nsCRT::strcmp(prop, NS_MACOSX_USER_PLUGIN_DIR) == 0)
michael@0:     {
michael@0:         if (::FSFindFolder(kUserDomain, kInternetPlugInFolderType, false, &fileRef) == noErr) {
michael@0:             rv = NS_NewLocalFileWithFSRef(&fileRef, true, getter_AddRefs(macFile));
michael@0:             if (NS_SUCCEEDED(rv))
michael@0:                 localFile = macFile;
michael@0:         }
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_MACOSX_LOCAL_PLUGIN_DIR) == 0)
michael@0:     {
michael@0:         if (::FSFindFolder(kLocalDomain, kInternetPlugInFolderType, false, &fileRef) == noErr) {
michael@0:             rv = NS_NewLocalFileWithFSRef(&fileRef, true, getter_AddRefs(macFile));
michael@0:             if (NS_SUCCEEDED(rv))
michael@0:                 localFile = macFile;
michael@0:         }
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_MACOSX_JAVA2_PLUGIN_DIR) == 0)
michael@0:     {
michael@0:       static const char *const java2PluginDirPath =
michael@0:         "/System/Library/Java/Support/Deploy.bundle/Contents/Resources/";
michael@0:       rv = NS_NewNativeLocalFile(nsDependentCString(java2PluginDirPath), true, getter_AddRefs(localFile));
michael@0:     }
michael@0: #else
michael@0:     else if (nsCRT::strcmp(prop, NS_ENV_PLUGINS_DIR) == 0)
michael@0:     {
michael@0:         NS_ERROR("Don't use nsAppFileLocationProvider::GetFile(NS_ENV_PLUGINS_DIR, ...). "
michael@0:                  "Use nsAppFileLocationProvider::GetFiles(...).");
michael@0:         const char *pathVar = PR_GetEnv("MOZ_PLUGIN_PATH");
michael@0:         if (pathVar && *pathVar)
michael@0:             rv = NS_NewNativeLocalFile(nsDependentCString(pathVar), true,
michael@0:                                        getter_AddRefs(localFile));
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_USER_PLUGINS_DIR) == 0)
michael@0:     {
michael@0: #ifdef ENABLE_SYSTEM_EXTENSION_DIRS
michael@0:         rv = GetProductDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
michael@0: #else
michael@0:         rv = NS_ERROR_FAILURE;
michael@0: #endif
michael@0:     }
michael@0: #ifdef XP_UNIX
michael@0:     else if (nsCRT::strcmp(prop, NS_SYSTEM_PLUGINS_DIR) == 0) {
michael@0: #ifdef ENABLE_SYSTEM_EXTENSION_DIRS
michael@0:         static const char *const sysLPlgDir =
michael@0: #if defined(HAVE_USR_LIB64_DIR) && defined(__LP64__)
michael@0:           "/usr/lib64/mozilla/plugins";
michael@0: #elif defined(__OpenBSD__) || defined (__FreeBSD__)
michael@0:           "/usr/local/lib/mozilla/plugins";
michael@0: #else
michael@0:           "/usr/lib/mozilla/plugins";
michael@0: #endif
michael@0:         rv = NS_NewNativeLocalFile(nsDependentCString(sysLPlgDir),
michael@0:                                    false, getter_AddRefs(localFile));
michael@0: #else
michael@0:         rv = NS_ERROR_FAILURE;
michael@0: #endif
michael@0:     }
michael@0: #endif
michael@0: #endif
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_SEARCH_DIR) == 0)
michael@0:     {
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = localFile->AppendRelativeNativePath(SEARCH_DIR_NAME);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_USER_SEARCH_DIR) == 0)
michael@0:     {
michael@0:         rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, _retval);
michael@0:         if (NS_SUCCEEDED(rv))
michael@0:             rv = (*_retval)->AppendNative(SEARCH_DIR_NAME);
michael@0:     }
michael@0:     else if (nsCRT::strcmp(prop, NS_APP_INSTALL_CLEANUP_DIR) == 0)
michael@0:     {   
michael@0:         // This is cloned so that embeddors will have a hook to override
michael@0:         // with their own cleanup dir.  See bugzilla bug #105087 
michael@0:         rv = CloneMozBinDirectory(getter_AddRefs(localFile));
michael@0:     } 
michael@0: 
michael@0:     if (localFile && NS_SUCCEEDED(rv))
michael@0:         return localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)_retval);
michael@0:         
michael@0:     return rv;
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_METHOD nsAppFileLocationProvider::CloneMozBinDirectory(nsIFile **aLocalFile)
michael@0: {
michael@0:     if (NS_WARN_IF(!aLocalFile))
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0:     nsresult rv;
michael@0: 
michael@0:     if (!mMozBinDirectory)
michael@0:     {
michael@0:         // Get the mozilla bin directory
michael@0:         // 1. Check the directory service first for NS_XPCOM_CURRENT_PROCESS_DIR
michael@0:         //    This will be set if a directory was passed to NS_InitXPCOM
michael@0:         // 2. If that doesn't work, set it to be the current process directory
michael@0:         nsCOMPtr<nsIProperties>
michael@0:           directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv));
michael@0:         if (NS_FAILED(rv))
michael@0:             return rv;
michael@0: 
michael@0:         rv = directoryService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile), getter_AddRefs(mMozBinDirectory));
michael@0:         if (NS_FAILED(rv)) {
michael@0:             rv = directoryService->Get(NS_OS_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile), getter_AddRefs(mMozBinDirectory));
michael@0:             if (NS_FAILED(rv))
michael@0:                 return rv;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     nsCOMPtr<nsIFile> aFile;
michael@0:     rv = mMozBinDirectory->Clone(getter_AddRefs(aFile));
michael@0:     if (NS_FAILED(rv))
michael@0:         return rv;
michael@0: 
michael@0:     NS_IF_ADDREF(*aLocalFile = aFile);
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: //----------------------------------------------------------------------------------------
michael@0: // GetProductDirectory - Gets the directory which contains the application data folder
michael@0: //
michael@0: // UNIX and WIN   : <App Folder>/TorBrowser/Data/Browser
michael@0: // Mac            : <App Folder>/../../TorBrowser/Data/Browser
michael@0: //----------------------------------------------------------------------------------------
michael@0: NS_METHOD nsAppFileLocationProvider::GetProductDirectory(nsIFile **aLocalFile, bool aLocal)
michael@0: {
michael@0:     if (NS_WARN_IF(!aLocalFile))
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:     nsresult rv;
michael@0:     bool exists;
michael@0:     nsCOMPtr<nsIFile> localDir;
michael@0: 
michael@0:     rv = CloneMozBinDirectory(getter_AddRefs(localDir));
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     int levelsToRemove = 1; // In FF21+, bin dir points to browser subdirectory.
michael@0: #if defined(XP_MACOSX)
michael@0:     levelsToRemove += 2;
michael@0: #endif
michael@0:     while (localDir && (levelsToRemove > 0)) {
michael@0:         // When crawling up the hierarchy, components named "." do not count.
michael@0:         nsAutoCString removedName;
michael@0:         rv = localDir->GetNativeLeafName(removedName);
michael@0:         NS_ENSURE_SUCCESS(rv, rv);
michael@0:         bool didRemove = !removedName.Equals(".");
michael@0: 
michael@0:         // Remove a directory component.
michael@0:         nsCOMPtr<nsIFile> parentDir;
michael@0:         rv = localDir->GetParent(getter_AddRefs(parentDir));
michael@0:         NS_ENSURE_SUCCESS(rv, rv);
michael@0:         localDir = parentDir;
michael@0: 
michael@0:         if (didRemove)
michael@0:           --levelsToRemove;
michael@0:     }
michael@0: 
michael@0:     if (!localDir)
michael@0:         return NS_ERROR_FAILURE;
michael@0: 
michael@0:     rv = localDir->AppendRelativeNativePath(NS_LITERAL_CSTRING("TorBrowser"
michael@0:                                        XPCOM_FILE_PATH_SEPARATOR "Data"
michael@0:                                        XPCOM_FILE_PATH_SEPARATOR "Browser"));
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     if (aLocal) {
michael@0:         rv = localDir->AppendNative(NS_LITERAL_CSTRING("Caches"));
michael@0:         NS_ENSURE_SUCCESS(rv, rv);
michael@0:     }
michael@0: 
michael@0:     rv = localDir->Exists(&exists);
michael@0: 
michael@0:     if (NS_SUCCEEDED(rv) && !exists)
michael@0:         rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
michael@0: 
michael@0:     if (NS_FAILED(rv)) return rv;
michael@0: 
michael@0:     *aLocalFile = localDir;
michael@0:     NS_ADDREF(*aLocalFile);
michael@0: 
michael@0:    return rv;
michael@0: }
michael@0: 
michael@0: 
michael@0: //----------------------------------------------------------------------------------------
michael@0: // GetDefaultUserProfileRoot - Gets the directory which contains each user profile dir
michael@0: //----------------------------------------------------------------------------------------
michael@0: NS_METHOD nsAppFileLocationProvider::GetDefaultUserProfileRoot(nsIFile **aLocalFile, bool aLocal)
michael@0: {
michael@0:     if (NS_WARN_IF(!aLocalFile))
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:     nsresult rv;
michael@0:     nsCOMPtr<nsIFile> localDir;
michael@0: 
michael@0:     rv = GetProductDirectory(getter_AddRefs(localDir), aLocal);
michael@0:     if (NS_FAILED(rv)) return rv;
michael@0: 
michael@0:     *aLocalFile = localDir;
michael@0:     NS_ADDREF(*aLocalFile);
michael@0: 
michael@0:    return rv;
michael@0: }
michael@0: 
michael@0: //*****************************************************************************
michael@0: // nsAppFileLocationProvider::nsIDirectoryServiceProvider2
michael@0: //*****************************************************************************
michael@0: 
michael@0: class nsAppDirectoryEnumerator : public nsISimpleEnumerator
michael@0: {
michael@0:   public:
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     /**
michael@0:      * aKeyList is a null-terminated list of properties which are provided by aProvider
michael@0:      * They do not need to be publicly defined keys.
michael@0:      */
michael@0:     nsAppDirectoryEnumerator(nsIDirectoryServiceProvider *aProvider,
michael@0:                              const char* aKeyList[]) :
michael@0:         mProvider(aProvider),
michael@0:         mCurrentKey(aKeyList)
michael@0:     {
michael@0:     }
michael@0: 
michael@0:     NS_IMETHOD HasMoreElements(bool *result) 
michael@0:     {
michael@0:         while (!mNext && *mCurrentKey)
michael@0:         {
michael@0:             bool dontCare;
michael@0:             nsCOMPtr<nsIFile> testFile;
michael@0:             (void)mProvider->GetFile(*mCurrentKey++, &dontCare, getter_AddRefs(testFile));
michael@0:             // Don't return a file which does not exist.
michael@0:             bool exists;
michael@0:             if (testFile && NS_SUCCEEDED(testFile->Exists(&exists)) && exists)
michael@0:                 mNext = testFile;
michael@0:         }
michael@0:         *result = mNext != nullptr;
michael@0:         return NS_OK;
michael@0:     }
michael@0: 
michael@0:     NS_IMETHOD GetNext(nsISupports **result) 
michael@0:     {
michael@0:         if (NS_WARN_IF(!result))
michael@0:             return NS_ERROR_INVALID_ARG;
michael@0:         *result = nullptr;
michael@0: 
michael@0:         bool hasMore;
michael@0:         HasMoreElements(&hasMore);
michael@0:         if (!hasMore)
michael@0:             return NS_ERROR_FAILURE;
michael@0:             
michael@0:         *result = mNext;
michael@0:         NS_IF_ADDREF(*result);
michael@0:         mNext = nullptr;
michael@0:         
michael@0:         return *result ? NS_OK : NS_ERROR_FAILURE;
michael@0:     }
michael@0: 
michael@0:     // Virtual destructor since subclass nsPathsDirectoryEnumerator
michael@0:     // does not re-implement Release()
michael@0: 
michael@0:     virtual ~nsAppDirectoryEnumerator()
michael@0:     {
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     nsIDirectoryServiceProvider *mProvider;
michael@0:     const char** mCurrentKey;
michael@0:     nsCOMPtr<nsIFile> mNext;
michael@0: };
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsAppDirectoryEnumerator, nsISimpleEnumerator)
michael@0: 
michael@0: /* nsPathsDirectoryEnumerator and PATH_SEPARATOR
michael@0:  * are not used on MacOS/X. */
michael@0: 
michael@0: #if defined(XP_WIN) /* Win32 */
michael@0: #define PATH_SEPARATOR ';'
michael@0: #else
michael@0: #define PATH_SEPARATOR ':'
michael@0: #endif
michael@0: 
michael@0: class nsPathsDirectoryEnumerator : public nsAppDirectoryEnumerator
michael@0: {
michael@0:   public:
michael@0:     /**
michael@0:      * aKeyList is a null-terminated list.
michael@0:      * The first element is a path list.
michael@0:      * The remainder are properties provided by aProvider.
michael@0:      * They do not need to be publicly defined keys.
michael@0:      */
michael@0:     nsPathsDirectoryEnumerator(nsIDirectoryServiceProvider *aProvider,
michael@0:                                const char* aKeyList[]) :
michael@0:     nsAppDirectoryEnumerator(aProvider, aKeyList+1),
michael@0:     mEndPath(aKeyList[0])
michael@0:     {
michael@0:     }
michael@0: 
michael@0:     NS_IMETHOD HasMoreElements(bool *result) 
michael@0:     {
michael@0:         if (mEndPath)
michael@0:             while (!mNext && *mEndPath)
michael@0:             {
michael@0:                 const char *pathVar = mEndPath;
michael@0:            
michael@0:                 // skip PATH_SEPARATORs at the begining of the mEndPath
michael@0:                 while (*pathVar == PATH_SEPARATOR) pathVar++;
michael@0: 
michael@0:                 do { ++mEndPath; } while (*mEndPath && *mEndPath != PATH_SEPARATOR);
michael@0: 
michael@0:                 nsCOMPtr<nsIFile> localFile;
michael@0:                 NS_NewNativeLocalFile(Substring(pathVar, mEndPath),
michael@0:                                       true,
michael@0:                                       getter_AddRefs(localFile));
michael@0:                 if (*mEndPath == PATH_SEPARATOR)
michael@0:                     ++mEndPath;
michael@0:                 // Don't return a "file" (directory) which does not exist.
michael@0:                 bool exists;
michael@0:                 if (localFile &&
michael@0:                     NS_SUCCEEDED(localFile->Exists(&exists)) &&
michael@0:                     exists)
michael@0:                     mNext = localFile;
michael@0:             }
michael@0:         if (mNext)
michael@0:             *result = true;
michael@0:         else
michael@0:             nsAppDirectoryEnumerator::HasMoreElements(result);
michael@0: 
michael@0:         return NS_OK;
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     const char *mEndPath;
michael@0: };
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsAppFileLocationProvider::GetFiles(const char *prop, nsISimpleEnumerator **_retval)
michael@0: {
michael@0:     if (NS_WARN_IF(!_retval))
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0:     *_retval = nullptr;
michael@0:     nsresult rv = NS_ERROR_FAILURE;
michael@0:     
michael@0:     if (!nsCRT::strcmp(prop, NS_APP_PLUGINS_DIR_LIST))
michael@0:     {
michael@0: #ifdef MOZ_WIDGET_COCOA
michael@0:         // As of Java for Mac OS X 10.5 Update 10, Apple has (in effect) deprecated Java Plugin2 on
michael@0:         // on OS X 10.5, and removed the soft link to it from /Library/Internet Plug-Ins/.  Java
michael@0:         // Plugin2 is still present and usable, but there are no longer any links to it in the
michael@0:         // "normal" locations.  So we won't be able to find it unless we look in the "non-normal"
michael@0:         // location where it actually is.  Safari can use the WebKit-specific JavaPluginCocoa.bundle,
michael@0:         // which (of course) is still fully supported on OS X 10.5.  But we have no alternative to
michael@0:         // using Java Plugin2.  For more information see bug 668639.
michael@0:         static const char* keys[] = { NS_APP_PLUGINS_DIR, NS_MACOSX_USER_PLUGIN_DIR,
michael@0:                                       NS_MACOSX_LOCAL_PLUGIN_DIR,
michael@0:                                       IsOSXLeopard() ? NS_MACOSX_JAVA2_PLUGIN_DIR : nullptr, nullptr };
michael@0:         *_retval = new nsAppDirectoryEnumerator(this, keys);
michael@0: #else
michael@0: #ifdef XP_UNIX
michael@0:         static const char* keys[] = { nullptr, NS_USER_PLUGINS_DIR, NS_APP_PLUGINS_DIR, NS_SYSTEM_PLUGINS_DIR, nullptr };
michael@0: #else
michael@0:         static const char* keys[] = { nullptr, NS_USER_PLUGINS_DIR, NS_APP_PLUGINS_DIR, nullptr };
michael@0: #endif
michael@0:         if (!keys[0] && !(keys[0] = PR_GetEnv("MOZ_PLUGIN_PATH"))) {
michael@0:             static const char nullstr = 0;
michael@0:             keys[0] = &nullstr;
michael@0:         }
michael@0:         *_retval = new nsPathsDirectoryEnumerator(this, keys);
michael@0: #endif
michael@0:         NS_IF_ADDREF(*_retval);
michael@0:         rv = *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;        
michael@0:     }
michael@0:     if (!nsCRT::strcmp(prop, NS_APP_SEARCH_DIR_LIST))
michael@0:     {
michael@0:         static const char* keys[] = { nullptr, NS_APP_SEARCH_DIR, NS_APP_USER_SEARCH_DIR, nullptr };
michael@0:         if (!keys[0] && !(keys[0] = PR_GetEnv("MOZ_SEARCH_ENGINE_PATH"))) {
michael@0:             static const char nullstr = 0;
michael@0:             keys[0] = &nullstr;
michael@0:         }
michael@0:         *_retval = new nsPathsDirectoryEnumerator(this, keys);
michael@0:         NS_IF_ADDREF(*_retval);
michael@0:         rv = *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;        
michael@0:     }
michael@0:     return rv;
michael@0: }
michael@0: 
michael@0: #if defined(MOZ_WIDGET_COCOA)
michael@0: bool
michael@0: nsAppFileLocationProvider::IsOSXLeopard()
michael@0: {
michael@0:     static SInt32 version = 0;
michael@0: 
michael@0:     if (!version) {
michael@0:         OSErr err = ::Gestalt(gestaltSystemVersion, &version);
michael@0:         if (err != noErr) {
michael@0:             version = 0;
michael@0:         } else {
michael@0:             version &= 0xFFFF; // The system version is in the low order word
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     return ((version >= 0x1050) && (version < 0x1060));
michael@0: }
michael@0: #endif