| /* |
| * Copyright (C) 2017-2020 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 "DirectoryFileListCreator.h" |
| |
| #include "Document.h" |
| #include "FileChooser.h" |
| #include "FileList.h" |
| #include <wtf/CrossThreadCopier.h> |
| #include <wtf/FileSystem.h> |
| |
| namespace WebCore { |
| |
| DirectoryFileListCreator::~DirectoryFileListCreator() |
| { |
| ASSERT(!m_completionHandler); |
| } |
| |
| struct FileInformation { |
| String path; |
| String relativePath; |
| String displayName; |
| |
| FileInformation isolatedCopy() const & { return { path.isolatedCopy(), relativePath.isolatedCopy(), displayName.isolatedCopy() }; } |
| FileInformation isolatedCopy() && { return { WTFMove(path).isolatedCopy(), relativePath.isolatedCopy(), WTFMove(displayName).isolatedCopy() }; } |
| }; |
| |
| static void appendDirectoryFiles(const String& directory, const String& relativePath, Vector<FileInformation>& files) |
| { |
| ASSERT(!isMainThread()); |
| for (auto& childName : FileSystem::listDirectory(directory)) { |
| auto childPath = FileSystem::pathByAppendingComponent(directory, childName); |
| if (FileSystem::isHiddenFile(childPath)) |
| continue; |
| |
| auto fileType = FileSystem::fileType(childPath); |
| if (!fileType) |
| continue; |
| |
| String childRelativePath = relativePath + "/" + childName; |
| if (*fileType == FileSystem::FileType::Directory) |
| appendDirectoryFiles(childPath, childRelativePath, files); |
| else if (*fileType == FileSystem::FileType::Regular) |
| files.append(FileInformation { childPath, childRelativePath, { } }); |
| } |
| } |
| |
| static Vector<FileInformation> gatherFileInformation(const Vector<FileChooserFileInfo>& paths) |
| { |
| ASSERT(!isMainThread()); |
| Vector<FileInformation> files; |
| for (auto& info : paths) { |
| if (FileSystem::fileType(info.path) == FileSystem::FileType::Directory) |
| appendDirectoryFiles(info.path, FileSystem::pathFileName(info.path), files); |
| else |
| files.append(FileInformation { info.path, { }, info.displayName }); |
| } |
| return files; |
| } |
| |
| static Ref<FileList> toFileList(Document* document, const Vector<FileInformation>& files) |
| { |
| ASSERT(isMainThread()); |
| auto fileObjects = files.map([document](auto& file) { |
| if (file.relativePath.isNull()) |
| return File::create(document, file.path, { }, file.displayName); |
| return File::createWithRelativePath(document, file.path, file.relativePath); |
| }); |
| return FileList::create(WTFMove(fileObjects)); |
| } |
| |
| DirectoryFileListCreator::DirectoryFileListCreator(CompletionHandler&& completionHandler) |
| : m_workQueue(WorkQueue::create("DirectoryFileListCreator Work Queue")) |
| , m_completionHandler(WTFMove(completionHandler)) |
| { |
| } |
| |
| void DirectoryFileListCreator::start(Document* document, const Vector<FileChooserFileInfo>& paths) |
| { |
| // Resolve directories on a background thread to avoid blocking the main thread. |
| m_workQueue->dispatch([this, protectedThis = Ref { *this }, document = RefPtr { document }, paths = crossThreadCopy(paths)]() mutable { |
| auto files = gatherFileInformation(paths); |
| callOnMainThread([this, protectedThis = WTFMove(protectedThis), document = WTFMove(document), files = crossThreadCopy(files)]() mutable { |
| if (auto completionHandler = std::exchange(m_completionHandler, nullptr)) |
| completionHandler(toFileList(document.get(), files)); |
| }); |
| }); |
| } |
| |
| void DirectoryFileListCreator::cancel() |
| { |
| m_completionHandler = nullptr; |
| m_workQueue = nullptr; |
| } |
| |
| } // namespace WebCore |