/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* 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 "mozilla/dom/FileSystemBase.h" #include "nsCharSeparatedTokenizer.h" #include "OSFileSystem.h" namespace mozilla { namespace dom { FileSystemBase::FileSystemBase() : mShutdown(false) #ifdef DEBUG , mOwningThread(PR_GetCurrentThread()) #endif { } FileSystemBase::~FileSystemBase() { AssertIsOnOwningThread(); } void FileSystemBase::Shutdown() { AssertIsOnOwningThread(); mShutdown = true; } nsISupports* FileSystemBase::GetParentObject() const { AssertIsOnOwningThread(); return nullptr; } bool FileSystemBase::GetRealPath(BlobImpl* aFile, nsIFile** aPath) const { AssertIsOnOwningThread(); MOZ_ASSERT(aFile, "aFile Should not be null."); MOZ_ASSERT(aPath); nsAutoString filePath; ErrorResult rv; aFile->GetMozFullPathInternal(filePath, rv); if (NS_WARN_IF(rv.Failed())) { rv.SuppressException(); return false; } rv = NS_NewLocalFile(filePath, true, aPath); if (NS_WARN_IF(rv.Failed())) { rv.SuppressException(); return false; } return true; } bool FileSystemBase::IsSafeFile(nsIFile* aFile) const { AssertIsOnOwningThread(); return false; } bool FileSystemBase::IsSafeDirectory(Directory* aDir) const { AssertIsOnOwningThread(); return false; } void FileSystemBase::GetDirectoryName(nsIFile* aFile, nsAString& aRetval, ErrorResult& aRv) const { AssertIsOnOwningThread(); MOZ_ASSERT(aFile); aRv = aFile->GetLeafName(aRetval); NS_WARNING_ASSERTION(!aRv.Failed(), "GetLeafName failed"); } void FileSystemBase::GetDOMPath(nsIFile* aFile, nsAString& aRetval, ErrorResult& aRv) const { AssertIsOnOwningThread(); MOZ_ASSERT(aFile); aRetval.Truncate(); nsCOMPtr<nsIFile> fileSystemPath; aRv = NS_NewLocalFile(LocalRootPath(), true, getter_AddRefs(fileSystemPath)); if (NS_WARN_IF(aRv.Failed())) { return; } nsCOMPtr<nsIFile> path; aRv = aFile->Clone(getter_AddRefs(path)); if (NS_WARN_IF(aRv.Failed())) { return; } nsTArray<nsString> parts; while (true) { nsAutoString leafName; aRv = path->GetLeafName(leafName); if (NS_WARN_IF(aRv.Failed())) { return; } if (!leafName.IsEmpty()) { parts.AppendElement(leafName); } bool equal = false; aRv = fileSystemPath->Equals(path, &equal); if (NS_WARN_IF(aRv.Failed())) { return; } if (equal) { break; } nsCOMPtr<nsIFile> parentPath; aRv = path->GetParent(getter_AddRefs(parentPath)); if (NS_WARN_IF(aRv.Failed())) { return; } MOZ_ASSERT(parentPath); aRv = parentPath->Clone(getter_AddRefs(path)); if (NS_WARN_IF(aRv.Failed())) { return; } } if (parts.IsEmpty()) { aRetval.AppendLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL); return; } for (int32_t i = parts.Length() - 1; i >= 0; --i) { aRetval.AppendLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL); aRetval.Append(parts[i]); } } void FileSystemBase::AssertIsOnOwningThread() const { MOZ_ASSERT(mOwningThread); MOZ_ASSERT(PR_GetCurrentThread() == mOwningThread); } } // namespace dom } // namespace mozilla