michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
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 file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "File.h"
michael@0: 
michael@0: #include "LockedFile.h"
michael@0: 
michael@0: USING_FILE_NAMESPACE
michael@0: using mozilla::dom::indexedDB::IndexedDatabaseManager;
michael@0: 
michael@0: // Create slice
michael@0: File::File(const File* aOther, uint64_t aStart, uint64_t aLength,
michael@0:            const nsAString& aContentType)
michael@0: : nsDOMFileCC(aContentType, aOther->mStart + aStart, aLength),
michael@0:   mFile(aOther->mFile), mLockedFile(aOther->mLockedFile),
michael@0:   mWholeFile(false), mStoredFile(aOther->mStoredFile)
michael@0: {
michael@0:   NS_ASSERTION(mFile, "Null file!");
michael@0:   NS_ASSERTION(mLockedFile, "Null locked file!");
michael@0: 
michael@0:   if (mStoredFile) {
michael@0:     FileInfo* fileInfo;
michael@0: 
michael@0:     if (IndexedDatabaseManager::IsClosed()) {
michael@0:       fileInfo = aOther->GetFileInfo();
michael@0:     }
michael@0:     else {
michael@0:       MutexAutoLock lock(IndexedDatabaseManager::FileMutex());
michael@0:       fileInfo = aOther->GetFileInfo();
michael@0:     }
michael@0: 
michael@0:     mFileInfos.AppendElement(fileInfo);
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_INHERITED(File, nsDOMFileCC,
michael@0:                                    mLockedFile)
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(File)
michael@0: NS_INTERFACE_MAP_END_INHERITING(nsDOMFileCC)
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(File, nsDOMFileCC)
michael@0: NS_IMPL_RELEASE_INHERITED(File, nsDOMFileCC)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: File::GetInternalStream(nsIInputStream **aStream)
michael@0: {
michael@0:   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
michael@0: 
michael@0:   nsresult rv = mLockedFile->OpenInputStream(mWholeFile, mStart, mLength,
michael@0:                                              aStream);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: already_AddRefed<nsIDOMBlob>
michael@0: File::CreateSlice(uint64_t aStart, uint64_t aLength,
michael@0:                   const nsAString& aContentType)
michael@0: {
michael@0:   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
michael@0: 
michael@0:   nsCOMPtr<nsIDOMBlob> t =
michael@0:     new File(this, aStart, aLength, aContentType);
michael@0:   return t.forget();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: File::GetMozFullPathInternal(nsAString &aFilename)
michael@0: {
michael@0:   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
michael@0:   NS_ASSERTION(mIsFile, "Should only be called on files");
michael@0: 
michael@0:   return mFile->GetPath(aFilename);
michael@0: }