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4c05eee5c1
--HG-- rename : dom/filehandle/File.cpp => dom/indexedDB/FileSnapshot.cpp rename : dom/filehandle/File.h => dom/indexedDB/FileSnapshot.h rename : dom/filehandle/test/dummy_worker.js => dom/indexedDB/test/dummy_worker.js rename : dom/filehandle/test/test_append_read_data.html => dom/indexedDB/test/test_filehandle_append_read_data.html rename : dom/filehandle/test/test_compat.html => dom/indexedDB/test/test_filehandle_compat.html rename : dom/filehandle/test/test_getFile.html => dom/indexedDB/test/test_filehandle_getFile.html rename : dom/filehandle/test/test_filehandle_lifetimes.html => dom/indexedDB/test/test_filehandle_lifetimes.html rename : dom/filehandle/test/test_filehandle_lifetimes_nested.html => dom/indexedDB/test/test_filehandle_lifetimes_nested.html rename : dom/filehandle/test/test_location.html => dom/indexedDB/test/test_filehandle_location.html rename : dom/filehandle/test/test_filehandle_ordering.html => dom/indexedDB/test/test_filehandle_ordering.html rename : dom/filehandle/test/test_overlapping_filehandles.html => dom/indexedDB/test/test_filehandle_overlapping.html rename : dom/filehandle/test/test_progress_events.html => dom/indexedDB/test/test_filehandle_progress_events.html rename : dom/filehandle/test/test_readonly_filehandles.html => dom/indexedDB/test/test_filehandle_readonly_exceptions.html rename : dom/filehandle/test/test_request_readyState.html => dom/indexedDB/test/test_filehandle_request_readyState.html rename : dom/filehandle/test/test_stream_tracking.html => dom/indexedDB/test/test_filehandle_stream_tracking.html rename : dom/filehandle/test/test_success_events_after_abort.html => dom/indexedDB/test/test_filehandle_success_events_after_abort.html rename : dom/filehandle/test/test_truncate.html => dom/indexedDB/test/test_filehandle_truncate.html rename : dom/filehandle/test/test_workers.html => dom/indexedDB/test/test_filehandle_workers.html rename : dom/filehandle/test/test_write_read_data.html => dom/indexedDB/test/test_filehandle_write_read_data.html rename : dom/filehandle/test/test_getFileId.html => dom/indexedDB/test/test_getFileId.html rename : dom/webidl/FileHandle.webidl => dom/webidl/IDBFileHandle.webidl rename : dom/webidl/FileRequest.webidl => dom/webidl/IDBFileRequest.webidl
110 lines
3.0 KiB
C++
110 lines
3.0 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 "FileSnapshot.h"
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#include "IDBFileHandle.h"
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#include "mozilla/Assertions.h"
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#include "nsDebug.h"
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namespace mozilla {
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namespace dom {
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namespace indexedDB {
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NS_IMPL_ISUPPORTS_INHERITED0(FileImplSnapshot, DOMFileImpl)
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// Create as a stored file
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FileImplSnapshot::FileImplSnapshot(const nsAString& aName,
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const nsAString& aContentType,
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uint64_t aLength, nsIFile* aFile,
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IDBFileHandle* aFileHandle,
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FileInfo* aFileInfo)
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: DOMFileImplBase(aName, aContentType, aLength),
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mFile(aFile), mFileHandle(aFileHandle), mWholeFile(true)
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{
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MOZ_ASSERT(mFile, "Null file!");
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MOZ_ASSERT(mFileHandle, "Null file handle!");
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mFileInfos.AppendElement(aFileInfo);
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}
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// Create slice
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FileImplSnapshot::FileImplSnapshot(const FileImplSnapshot* aOther,
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uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType)
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: DOMFileImplBase(aContentType, aOther->mStart + aStart, aLength),
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mFile(aOther->mFile), mFileHandle(aOther->mFileHandle),
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mWholeFile(false)
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{
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MOZ_ASSERT(mFile, "Null file!");
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MOZ_ASSERT(mFileHandle, "Null file handle!");
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FileInfo* fileInfo;
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if (IndexedDatabaseManager::IsClosed()) {
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fileInfo = aOther->GetFileInfo();
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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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FileImplSnapshot::~FileImplSnapshot()
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{
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}
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void
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FileImplSnapshot::Unlink()
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{
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FileImplSnapshot* tmp = this;
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mFileHandle);
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}
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void
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FileImplSnapshot::Traverse(nsCycleCollectionTraversalCallback &cb)
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{
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FileImplSnapshot* tmp = this;
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFileHandle);
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}
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nsresult
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FileImplSnapshot::GetInternalStream(nsIInputStream** aStream)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsresult rv = mFileHandle->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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FileImplSnapshot::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 DOMFile(new FileImplSnapshot(this, aStart, aLength, aContentType));
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return t.forget();
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}
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nsresult
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FileImplSnapshot::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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} // namespace indexedDB
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} // namespace dom
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} // namespace mozilla
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