| /* |
| * Copyright (C) 2010 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 "third_party/blink/renderer/modules/filesystem/file_system_callbacks.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/memory/ptr_util.h" |
| #include "third_party/blink/renderer/core/dom/dom_exception.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context.h" |
| #include "third_party/blink/renderer/core/fileapi/file.h" |
| #include "third_party/blink/renderer/core/fileapi/file_error.h" |
| #include "third_party/blink/renderer/modules/filesystem/directory_entry.h" |
| #include "third_party/blink/renderer/modules/filesystem/directory_reader.h" |
| #include "third_party/blink/renderer/modules/filesystem/dom_file_path.h" |
| #include "third_party/blink/renderer/modules/filesystem/dom_file_system.h" |
| #include "third_party/blink/renderer/modules/filesystem/dom_file_system_base.h" |
| #include "third_party/blink/renderer/modules/filesystem/entry.h" |
| #include "third_party/blink/renderer/modules/filesystem/file_entry.h" |
| #include "third_party/blink/renderer/modules/filesystem/file_writer.h" |
| #include "third_party/blink/renderer/modules/filesystem/metadata.h" |
| #include "third_party/blink/renderer/platform/file_metadata.h" |
| #include "third_party/blink/renderer/platform/wtf/functional.h" |
| |
| namespace blink { |
| |
| FileSystemCallbacksBase::FileSystemCallbacksBase(DOMFileSystemBase* file_system, |
| ExecutionContext* context) |
| : file_system_(file_system), execution_context_(context) { |
| DCHECK(execution_context_); |
| |
| if (file_system_) |
| file_system_->AddPendingCallbacks(); |
| } |
| |
| FileSystemCallbacksBase::~FileSystemCallbacksBase() { |
| if (file_system_) |
| file_system_->RemovePendingCallbacks(); |
| } |
| |
| // EntryCallbacks ------------------------------------------------------------- |
| |
| EntryCallbacks::EntryCallbacks(SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context, |
| DOMFileSystemBase* file_system, |
| const String& expected_path, |
| bool is_directory) |
| : FileSystemCallbacksBase(file_system, context), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)), |
| expected_path_(expected_path), |
| is_directory_(is_directory) {} |
| |
| void EntryCallbacks::DidSucceed() { |
| if (!success_callback_) |
| return; |
| |
| Entry* entry = is_directory_ |
| ? static_cast<Entry*>(MakeGarbageCollected<DirectoryEntry>( |
| file_system_, expected_path_)) |
| : static_cast<Entry*>(MakeGarbageCollected<FileEntry>( |
| file_system_, expected_path_)); |
| |
| std::move(success_callback_).Run(entry); |
| } |
| |
| void EntryCallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // EntriesCallbacks ----------------------------------------------------------- |
| |
| EntriesCallbacks::EntriesCallbacks(const SuccessCallback& success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context, |
| DirectoryReaderBase* directory_reader, |
| const String& base_path) |
| : FileSystemCallbacksBase(directory_reader->Filesystem(), context), |
| success_callback_(success_callback), |
| error_callback_(std::move(error_callback)), |
| directory_reader_(directory_reader), |
| base_path_(base_path), |
| entries_(MakeGarbageCollected<HeapVector<Member<Entry>>>()) { |
| DCHECK(directory_reader_); |
| } |
| |
| void EntriesCallbacks::DidReadDirectoryEntry(const String& name, |
| bool is_directory) { |
| DOMFileSystemBase* filesystem = directory_reader_->Filesystem(); |
| const String& path = DOMFilePath::Append(base_path_, name); |
| Entry* entry = is_directory |
| ? static_cast<Entry*>(MakeGarbageCollected<DirectoryEntry>( |
| filesystem, path)) |
| : static_cast<Entry*>( |
| MakeGarbageCollected<FileEntry>(filesystem, path)); |
| entries_->push_back(entry); |
| } |
| |
| void EntriesCallbacks::DidReadDirectoryEntries(bool has_more) { |
| directory_reader_->SetHasMoreEntries(has_more); |
| EntryHeapVector* entries = |
| MakeGarbageCollected<EntryHeapVector>(std::move(*entries_)); |
| |
| if (!success_callback_) { |
| return; |
| } |
| |
| success_callback_.Run(entries); |
| } |
| |
| void EntriesCallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) { |
| return; |
| } |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // FileSystemCallbacks -------------------------------------------------------- |
| |
| FileSystemCallbacks::FileSystemCallbacks(SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context, |
| mojom::blink::FileSystemType type) |
| : FileSystemCallbacksBase( |
| /*file_system=*/nullptr, |
| context), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)), |
| type_(type) {} |
| |
| void FileSystemCallbacks::DidOpenFileSystem(const String& name, |
| const KURL& root_url) { |
| if (!success_callback_) |
| return; |
| |
| auto* filesystem = MakeGarbageCollected<DOMFileSystem>( |
| execution_context_.Get(), name, type_, root_url); |
| std::move(success_callback_).Run(filesystem); |
| } |
| |
| void FileSystemCallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // ResolveURICallbacks -------------------------------------------------------- |
| |
| ResolveURICallbacks::ResolveURICallbacks(SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context) |
| : FileSystemCallbacksBase( |
| /*file_system=*/nullptr, |
| context), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)) { |
| DCHECK(success_callback_); |
| } |
| |
| void ResolveURICallbacks::DidResolveURL(const String& name, |
| const KURL& root_url, |
| mojom::blink::FileSystemType type, |
| const String& file_path, |
| bool is_directory) { |
| auto* filesystem = MakeGarbageCollected<DOMFileSystem>( |
| execution_context_.Get(), name, type, root_url); |
| DirectoryEntry* root = filesystem->root(); |
| |
| String absolute_path; |
| if (!DOMFileSystemBase::PathToAbsolutePath(type, root, file_path, |
| absolute_path)) { |
| DidFail(base::File::FILE_ERROR_INVALID_OPERATION); |
| return; |
| } |
| |
| Entry* entry = is_directory |
| ? static_cast<Entry*>(MakeGarbageCollected<DirectoryEntry>( |
| filesystem, absolute_path)) |
| : static_cast<Entry*>(MakeGarbageCollected<FileEntry>( |
| filesystem, absolute_path)); |
| |
| std::move(success_callback_).Run(entry); |
| } |
| |
| void ResolveURICallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // MetadataCallbacks ---------------------------------------------------------- |
| |
| MetadataCallbacks::MetadataCallbacks(SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context, |
| DOMFileSystemBase* file_system) |
| : FileSystemCallbacksBase(file_system, context), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)) {} |
| |
| void MetadataCallbacks::DidReadMetadata(const FileMetadata& metadata) { |
| if (!success_callback_) |
| return; |
| |
| std::move(success_callback_).Run(MakeGarbageCollected<Metadata>(metadata)); |
| } |
| |
| void MetadataCallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // FileWriterCallbacks ---------------------------------------------------- |
| |
| FileWriterCallbacks::FileWriterCallbacks(FileWriterBase* file_writer, |
| SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context) |
| : FileSystemCallbacksBase( |
| /*file_system =*/nullptr, |
| context), |
| file_writer_(file_writer), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)) {} |
| |
| void FileWriterCallbacks::DidCreateFileWriter(const KURL& path, |
| int64_t length) { |
| if (!success_callback_) |
| return; |
| |
| file_writer_->Initialize(path, length); |
| std::move(success_callback_).Run(file_writer_); |
| } |
| |
| void FileWriterCallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // SnapshotFileCallback ------------------------------------------------------- |
| |
| SnapshotFileCallback::SnapshotFileCallback(DOMFileSystemBase* filesystem, |
| const String& name, |
| const KURL& url, |
| SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context) |
| : FileSystemCallbacksBase(filesystem, context), |
| name_(name), |
| url_(url), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)) {} |
| |
| void SnapshotFileCallback::DidCreateSnapshotFile(const FileMetadata& metadata) { |
| if (!success_callback_) |
| return; |
| |
| std::move(success_callback_) |
| .Run(DOMFileSystemBase::CreateFile(execution_context_, metadata, url_, |
| file_system_->GetType(), name_)); |
| } |
| |
| void SnapshotFileCallback::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| // VoidCallbacks -------------------------------------------------------------- |
| |
| VoidCallbacks::VoidCallbacks(SuccessCallback success_callback, |
| ErrorCallback error_callback, |
| ExecutionContext* context, |
| DOMFileSystemBase* file_system) |
| : FileSystemCallbacksBase(file_system, context), |
| success_callback_(std::move(success_callback)), |
| error_callback_(std::move(error_callback)) {} |
| |
| void VoidCallbacks::DidSucceed() { |
| if (!success_callback_) |
| return; |
| |
| std::move(success_callback_).Run(); |
| } |
| |
| void VoidCallbacks::DidFail(base::File::Error error) { |
| if (!error_callback_) |
| return; |
| |
| std::move(error_callback_).Run(error); |
| } |
| |
| } // namespace blink |
