mirror of
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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "File.h"
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#include "LockedFile.h"
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USING_FILE_NAMESPACE
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using mozilla::dom::indexedDB::IndexedDatabaseManager;
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// Create slice
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File::File(const File* aOther, uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType)
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: nsDOMFileCC(aContentType, aOther->mStart + aStart, aLength),
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mFile(aOther->mFile), mLockedFile(aOther->mLockedFile),
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mWholeFile(false), mStoredFile(aOther->mStoredFile)
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{
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NS_ASSERTION(mFile, "Null file!");
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NS_ASSERTION(mLockedFile, "Null locked file!");
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if (mStoredFile) {
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FileInfo* fileInfo;
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if (IndexedDatabaseManager::IsClosed()) {
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fileInfo = aOther->GetFileInfo();
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}
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else {
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MutexAutoLock lock(IndexedDatabaseManager::FileMutex());
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fileInfo = aOther->GetFileInfo();
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}
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mFileInfos.AppendElement(fileInfo);
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}
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED_1(File, nsDOMFileCC,
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mLockedFile)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(File)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMFileCC)
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NS_IMPL_ADDREF_INHERITED(File, nsDOMFileCC)
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NS_IMPL_RELEASE_INHERITED(File, nsDOMFileCC)
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NS_IMETHODIMP
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File::GetInternalStream(nsIInputStream **aStream)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsresult rv = mLockedFile->OpenInputStream(mWholeFile, mStart, mLength,
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aStream);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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already_AddRefed<nsIDOMBlob>
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File::CreateSlice(uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsCOMPtr<nsIDOMBlob> t =
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new File(this, aStart, aLength, aContentType);
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return t.forget();
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}
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NS_IMETHODIMP
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File::GetMozFullPathInternal(nsAString &aFilename)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(mIsFile, "Should only be called on files");
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return mFile->GetPath(aFilename);
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}
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