1 files changed, 206 insertions, 0 deletions
diff --git a/mailnews/base/src/nsMailDirProvider.cpp b/mailnews/base/src/nsMailDirProvider.cpp
new file mode 100644
index 000000000..6df8d89e1
--- /dev/null
+++ b/mailnews/base/src/nsMailDirProvider.cpp
@@ -0,0 +1,206 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsMailDirProvider.h"
+#include "nsMailDirServiceDefs.h"
+#include "nsXULAppAPI.h"
+#include "nsMsgBaseCID.h"
+#include "nsArrayEnumerator.h"
+#include "nsCOMArray.h"
+#include "nsEnumeratorUtils.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsAppDirectoryServiceDefs.h"
+#include "nsIChromeRegistry.h"
+#include "nsICategoryManager.h"
+#include "nsServiceManagerUtils.h"
+#include "nsDirectoryServiceUtils.h"
+#include "mozilla/Services.h"
+
+#define MAIL_DIR_50_NAME             "Mail"
+#define IMAP_MAIL_DIR_50_NAME        "ImapMail"
+#define NEWS_DIR_50_NAME             "News"
+#define MSG_FOLDER_CACHE_DIR_50_NAME "panacea.dat"
+
+nsresult
+nsMailDirProvider::EnsureDirectory(nsIFile *aDirectory)
+{
+  bool exists;
+  nsresult rv = aDirectory->Exists(&exists);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (!exists)
+    rv = aDirectory->Create(nsIFile::DIRECTORY_TYPE, 0700);
+
+  return rv;
+}
+
+NS_IMPL_ISUPPORTS(nsMailDirProvider,
+                   nsIDirectoryServiceProvider,
+                   nsIDirectoryServiceProvider2)
+
+NS_IMETHODIMP
+nsMailDirProvider::GetFile(const char *aKey, bool *aPersist,
+                           nsIFile **aResult)
+{
+  // NOTE: This function can be reentrant through the NS_GetSpecialDirectory
+  // call, so be careful not to cause infinite recursion.
+  // i.e. the check for supported files must come first.
+  const char* leafName = nullptr;
+  bool isDirectory = true;
+
+  if (!strcmp(aKey, NS_APP_MAIL_50_DIR))
+    leafName = MAIL_DIR_50_NAME;
+  else if (!strcmp(aKey, NS_APP_IMAP_MAIL_50_DIR))
+    leafName = IMAP_MAIL_DIR_50_NAME;
+  else if (!strcmp(aKey, NS_APP_NEWS_50_DIR))
+    leafName = NEWS_DIR_50_NAME;
+  else if (!strcmp(aKey, NS_APP_MESSENGER_FOLDER_CACHE_50_FILE)) {
+    isDirectory = false;
+    leafName = MSG_FOLDER_CACHE_DIR_50_NAME;
+  }
+  else
+    return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIFile> parentDir;
+  nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
+                                       getter_AddRefs(parentDir));
+  if (NS_FAILED(rv))
+    return rv;
+
+  nsCOMPtr<nsIFile> file;
+  rv = parentDir->Clone(getter_AddRefs(file));
+  if (NS_FAILED(rv))
+    return rv;
+
+  nsDependentCString leafStr(leafName);
+  rv = file->AppendNative(leafStr);
+  if (NS_FAILED(rv))
+    return rv;
+
+  bool exists;
+  if (isDirectory && NS_SUCCEEDED(file->Exists(&exists)) && !exists)
+    rv = EnsureDirectory(file);
+
+  *aPersist = true;
+  file.swap(*aResult);
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsMailDirProvider::GetFiles(const char *aKey,
+                            nsISimpleEnumerator **aResult)
+{
+  if (strcmp(aKey, ISP_DIRECTORY_LIST) != 0)
+    return NS_ERROR_FAILURE;
+
+  // The list of isp directories includes the isp directory
+  // in the current process dir (i.e. <path to thunderbird.exe>\isp and 
+  // <path to thunderbird.exe>\isp\locale 
+  // and isp and isp\locale for each active extension
+
+  nsCOMPtr<nsIProperties> dirSvc =
+    do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
+  if (!dirSvc)
+    return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIFile> currentProcessDir;
+  nsresult rv = dirSvc->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
+                   NS_GET_IID(nsIFile), getter_AddRefs(currentProcessDir));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsISimpleEnumerator> directoryEnumerator;
+  rv = NS_NewSingletonEnumerator(getter_AddRefs(directoryEnumerator), currentProcessDir);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsISimpleEnumerator> combinedEnumerator;
+  nsCOMPtr<nsISimpleEnumerator> extensionsEnum;
+
+  // xpcshell-tests don't have XRE_EXTENSIONS_DIR_LIST, so accept a null return here.
+  dirSvc->Get(XRE_EXTENSIONS_DIR_LIST,
+              NS_GET_IID(nsISimpleEnumerator),
+              getter_AddRefs(extensionsEnum));
+
+  rv = NS_NewUnionEnumerator(getter_AddRefs(combinedEnumerator), directoryEnumerator, extensionsEnum);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  NS_IF_ADDREF(*aResult = new AppendingEnumerator(combinedEnumerator));
+  return NS_SUCCESS_AGGREGATE_RESULT;
+}
+
+NS_IMPL_ISUPPORTS(nsMailDirProvider::AppendingEnumerator,
+                   nsISimpleEnumerator)
+
+NS_IMETHODIMP
+nsMailDirProvider::AppendingEnumerator::HasMoreElements(bool *aResult)
+{
+  *aResult = mNext || mNextWithLocale ? true : false;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMailDirProvider::AppendingEnumerator::GetNext(nsISupports* *aResult)
+{
+  // Set the return value to the next directory we want to enumerate over
+  if (aResult)
+    NS_ADDREF(*aResult = mNext);
+
+  if (mNextWithLocale)
+  {
+    mNext = mNextWithLocale;
+    mNextWithLocale = nullptr;
+    return NS_OK;
+  }
+
+  mNext = nullptr;
+
+  // Ignore all errors
+
+  bool more;
+  while (NS_SUCCEEDED(mBase->HasMoreElements(&more)) && more) {
+    nsCOMPtr<nsISupports> nextbasesupp;
+    mBase->GetNext(getter_AddRefs(nextbasesupp));
+
+    nsCOMPtr<nsIFile> nextbase(do_QueryInterface(nextbasesupp));
+    if (!nextbase)
+      continue;
+
+    nextbase->Clone(getter_AddRefs(mNext));
+    if (!mNext)
+      continue;
+
+    mNext->AppendNative(NS_LITERAL_CSTRING("isp"));
+    bool exists;
+    nsresult rv = mNext->Exists(&exists);
+    if (NS_SUCCEEDED(rv) && exists)
+    {
+      if (!mLocale.IsEmpty())
+      {
+        mNext->Clone(getter_AddRefs(mNextWithLocale));
+        mNextWithLocale->AppendNative(mLocale);
+        rv = mNextWithLocale->Exists(&exists);
+        if (NS_FAILED(rv) || !exists)
+          mNextWithLocale = nullptr; // clear out mNextWithLocale, so we don't try to iterate over it
+      } 
+      break;
+    }
+
+    mNext = nullptr;
+  }
+
+  return NS_OK;
+}
+
+nsMailDirProvider::AppendingEnumerator::AppendingEnumerator
+    (nsISimpleEnumerator* aBase) :
+  mBase(aBase)
+{
+  nsCOMPtr<nsIXULChromeRegistry> packageRegistry =
+    mozilla::services::GetXULChromeRegistryService();
+  if (packageRegistry)
+    packageRegistry->GetSelectedLocale(NS_LITERAL_CSTRING("global"), false, mLocale);
+  // Initialize mNext to begin
+  GetNext(nullptr);
+}