| /* |
| * Copyright (C) 2020 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "ShareDataReader.h" |
| |
| #include "BlobLoader.h" |
| #include "Document.h" |
| #include "SharedBuffer.h" |
| |
| namespace WebCore { |
| |
| ShareDataReader::ShareDataReader(CompletionHandler<void(ExceptionOr<ShareDataWithParsedURL&>)>&& completionHandler) |
| : m_completionHandler(WTFMove(completionHandler)) |
| { |
| |
| } |
| |
| ShareDataReader::~ShareDataReader() |
| { |
| cancel(); |
| } |
| |
| void ShareDataReader::start(Document* document, ShareDataWithParsedURL&& shareData) |
| { |
| m_filesReadSoFar = 0; |
| m_shareData = WTFMove(shareData); |
| int count = 0; |
| m_pendingFileLoads.reserveInitialCapacity(m_shareData.shareData.files.size()); |
| for (auto& blob : m_shareData.shareData.files) { |
| m_pendingFileLoads.uncheckedAppend(makeUniqueRef<BlobLoader>(document, *blob, [this, count, fileName = blob->name()] { |
| this->didFinishLoading(count, fileName); |
| })); |
| count++; |
| } |
| } |
| |
| void ShareDataReader::didFinishLoading(int loadIndex, const String& fileName) |
| { |
| if (m_pendingFileLoads[loadIndex]->errorCode()) { |
| if (auto completionHandler = std::exchange(m_completionHandler, { })) |
| completionHandler(Exception { AbortError, "Abort due to error while reading files."_s }); |
| cancel(); |
| return; |
| } |
| |
| auto arrayBuffer = m_pendingFileLoads[loadIndex]->result(); |
| |
| RawFile file; |
| file.fileName = fileName; |
| file.fileData = SharedBuffer::create(static_cast<const unsigned char*>(arrayBuffer->data()), arrayBuffer->byteLength()); |
| m_shareData.files.append(WTFMove(file)); |
| m_filesReadSoFar++; |
| |
| if (m_filesReadSoFar == static_cast<int>(m_pendingFileLoads.size())) { |
| m_pendingFileLoads.clear(); |
| if (auto completionHandler = std::exchange(m_completionHandler, { })) |
| completionHandler(m_shareData); |
| } |
| } |
| |
| void ShareDataReader::cancel() |
| { |
| m_pendingFileLoads.clear(); |
| } |
| } |