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/* -*- Mode: C++; tab-width: 8; 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 "mozilla/dom/FileSystemBase.h"
#include "FileSystemUtils.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
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