gecko/dom/filehandle/File.cpp
Jan Varga 8131e31c43 Bug 1006485 - Part a: Rename FileHandle to MutableFile and LockedFile to FileHandle; r=bent
--HG--
rename : dom/filehandle/FileHandle.cpp => dom/filehandle/MutableFile.cpp
rename : dom/filehandle/FileHandle.h => dom/filehandle/MutableFile.h
rename : dom/filehandle/test/test_lockedfile_lifetimes.html => dom/filehandle/test/test_filehandle_lifetimes.html
rename : dom/filehandle/test/test_lockedfile_lifetimes_nested.html => dom/filehandle/test/test_filehandle_lifetimes_nested.html
rename : dom/filehandle/test/test_lockedfile_ordering.html => dom/filehandle/test/test_filehandle_ordering.html
rename : dom/filehandle/test/test_overlapping_lockedfiles.html => dom/filehandle/test/test_overlapping_filehandles.html
rename : dom/filehandle/test/test_readonly_lockedfiles.html => dom/filehandle/test/test_readonly_filehandles.html
rename : dom/indexedDB/IDBFileHandle.cpp => dom/indexedDB/IDBMutableFile.cpp
rename : dom/indexedDB/IDBFileHandle.h => dom/indexedDB/IDBMutableFile.h
rename : dom/webidl/IDBFileHandle.webidl => dom/webidl/IDBMutableFile.webidl
rename : dom/webidl/FileHandle.webidl => dom/webidl/MutableFile.webidl
2014-06-12 05:35:29 +02:00

114 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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 "File.h"
#include "FileHandle.h"
#include "mozilla/Assertions.h"
#include "nsDebug.h"
namespace mozilla {
namespace dom {
using indexedDB::IndexedDatabaseManager;
// Create as a file
File::File(const nsAString& aName, const nsAString& aContentType,
uint64_t aLength, nsIFile* aFile, FileHandle* aFileHandle)
: nsDOMFileCC(aName, aContentType, aLength),
mFile(aFile), mFileHandle(aFileHandle),
mWholeFile(true), mStoredFile(false)
{
MOZ_ASSERT(mFile, "Null file!");
MOZ_ASSERT(mFileHandle, "Null file handle!");
}
// Create as a stored file
File::File(const nsAString& aName, const nsAString& aContentType,
uint64_t aLength, nsIFile* aFile, FileHandle* aFileHandle,
FileInfo* aFileInfo)
: nsDOMFileCC(aName, aContentType, aLength),
mFile(aFile), mFileHandle(aFileHandle),
mWholeFile(true), mStoredFile(true)
{
MOZ_ASSERT(mFile, "Null file!");
MOZ_ASSERT(mFileHandle, "Null file handle!");
mFileInfos.AppendElement(aFileInfo);
}
// Create slice
File::File(const File* aOther, uint64_t aStart, uint64_t aLength,
const nsAString& aContentType)
: nsDOMFileCC(aContentType, aOther->mStart + aStart, aLength),
mFile(aOther->mFile), mFileHandle(aOther->mFileHandle),
mWholeFile(false), mStoredFile(aOther->mStoredFile)
{
MOZ_ASSERT(mFile, "Null file!");
MOZ_ASSERT(mFileHandle, "Null file handle!");
if (mStoredFile) {
FileInfo* fileInfo;
if (IndexedDatabaseManager::IsClosed()) {
fileInfo = aOther->GetFileInfo();
}
else {
MutexAutoLock lock(IndexedDatabaseManager::FileMutex());
fileInfo = aOther->GetFileInfo();
}
mFileInfos.AppendElement(fileInfo);
}
}
File::~File()
{
}
NS_IMPL_CYCLE_COLLECTION_INHERITED(File, nsDOMFileCC,
mFileHandle)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(File)
NS_INTERFACE_MAP_END_INHERITING(nsDOMFileCC)
NS_IMPL_ADDREF_INHERITED(File, nsDOMFileCC)
NS_IMPL_RELEASE_INHERITED(File, nsDOMFileCC)
NS_IMETHODIMP
File::GetInternalStream(nsIInputStream **aStream)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsresult rv = mFileHandle->OpenInputStream(mWholeFile, mStart, mLength,
aStream);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
already_AddRefed<nsIDOMBlob>
File::CreateSlice(uint64_t aStart, uint64_t aLength,
const nsAString& aContentType)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsCOMPtr<nsIDOMBlob> t =
new File(this, aStart, aLength, aContentType);
return t.forget();
}
NS_IMETHODIMP
File::GetMozFullPathInternal(nsAString &aFilename)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(mIsFile, "Should only be called on files");
return mFile->GetPath(aFilename);
}
} // namespace dom
} // namespace mozilla