| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/file_util_proxy.h" |
| |
| #include "base/message_loop_proxy.h" |
| |
| // TODO(jianli): Move the code from anonymous namespace to base namespace so |
| // that all of the base:: prefixes would be unnecessary. |
| namespace { |
| |
| namespace { |
| |
| // Performs common checks for move and copy. |
| // This also removes the destination directory if it's non-empty and all other |
| // checks are passed (so that the copy/move correctly overwrites the |
| // destination). |
| static base::PlatformFileError PerformCommonCheckAndPreparationForMoveAndCopy( |
| const FilePath& src_file_path, |
| const FilePath& dest_file_path) { |
| // Exits earlier if the source path does not exist. |
| if (!file_util::PathExists(src_file_path)) |
| return base::PLATFORM_FILE_ERROR_NOT_FOUND; |
| |
| // The parent of the |dest_file_path| does not exist. |
| if (!file_util::DirectoryExists(dest_file_path.DirName())) |
| return base::PLATFORM_FILE_ERROR_NOT_FOUND; |
| |
| // It is an error to try to copy/move an entry into its child. |
| if (src_file_path.IsParent(dest_file_path)) |
| return base::PLATFORM_FILE_ERROR_INVALID_OPERATION; |
| |
| // Now it is ok to return if the |dest_file_path| does not exist. |
| if (!file_util::PathExists(dest_file_path)) |
| return base::PLATFORM_FILE_OK; |
| |
| // |src_file_path| exists and is a directory. |
| // |dest_file_path| exists and is a file. |
| bool src_is_directory = file_util::DirectoryExists(src_file_path); |
| bool dest_is_directory = file_util::DirectoryExists(dest_file_path); |
| if (src_is_directory && !dest_is_directory) |
| return base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY; |
| |
| // |src_file_path| exists and is a file. |
| // |dest_file_path| exists and is a directory. |
| if (!src_is_directory && dest_is_directory) |
| return base::PLATFORM_FILE_ERROR_NOT_A_FILE; |
| |
| // It is an error to copy/move an entry into the same path. |
| if (src_file_path.value() == dest_file_path.value()) |
| return base::PLATFORM_FILE_ERROR_EXISTS; |
| |
| if (dest_is_directory) { |
| // It is an error to copy/move an entry to a non-empty directory. |
| // Otherwise the copy/move attempt must overwrite the destination, but |
| // the file_util's Copy or Move method doesn't perform overwrite |
| // on all platforms, so we delete the destination directory here. |
| // TODO(kinuko): may be better to change the file_util::{Copy,Move}. |
| if (!file_util::Delete(dest_file_path, false /* recursive */)) { |
| if (!file_util::IsDirectoryEmpty(dest_file_path)) |
| return base::PLATFORM_FILE_ERROR_NOT_EMPTY; |
| return base::PLATFORM_FILE_ERROR_FAILED; |
| } |
| } |
| return base::PLATFORM_FILE_OK; |
| } |
| |
| } // anonymous namespace |
| |
| class MessageLoopRelay |
| : public base::RefCountedThreadSafe<MessageLoopRelay> { |
| public: |
| MessageLoopRelay() |
| : origin_message_loop_proxy_( |
| base::MessageLoopProxy::CreateForCurrentThread()), |
| error_code_(base::PLATFORM_FILE_OK) { |
| } |
| |
| bool Start(scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| const tracked_objects::Location& from_here) { |
| return message_loop_proxy->PostTask( |
| from_here, |
| NewRunnableMethod(this, &MessageLoopRelay::ProcessOnTargetThread)); |
| } |
| |
| protected: |
| friend class base::RefCountedThreadSafe<MessageLoopRelay>; |
| virtual ~MessageLoopRelay() {} |
| |
| // Called to perform work on the FILE thread. |
| virtual void RunWork() = 0; |
| |
| // Called to notify the callback on the origin thread. |
| virtual void RunCallback() = 0; |
| |
| void set_error_code(base::PlatformFileError error_code) { |
| error_code_ = error_code; |
| } |
| |
| base::PlatformFileError error_code() const { |
| return error_code_; |
| } |
| |
| private: |
| void ProcessOnTargetThread() { |
| RunWork(); |
| origin_message_loop_proxy_->PostTask( |
| FROM_HERE, |
| NewRunnableMethod(this, &MessageLoopRelay::RunCallback)); |
| } |
| |
| scoped_refptr<base::MessageLoopProxy> origin_message_loop_proxy_; |
| base::PlatformFileError error_code_; |
| }; |
| |
| class RelayCreateOrOpen : public MessageLoopRelay { |
| public: |
| RelayCreateOrOpen( |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| int file_flags, |
| base::FileUtilProxy::CreateOrOpenCallback* callback) |
| : message_loop_proxy_(message_loop_proxy), |
| file_path_(file_path), |
| file_flags_(file_flags), |
| callback_(callback), |
| file_handle_(base::kInvalidPlatformFileValue), |
| created_(false) { |
| DCHECK(callback); |
| } |
| |
| protected: |
| virtual ~RelayCreateOrOpen() { |
| if (file_handle_ != base::kInvalidPlatformFileValue) |
| base::FileUtilProxy::Close(message_loop_proxy_, file_handle_, NULL); |
| } |
| |
| virtual void RunWork() { |
| if (!file_util::DirectoryExists(file_path_.DirName())) { |
| // If its parent does not exist, should return NOT_FOUND error. |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_FOUND); |
| return; |
| } |
| base::PlatformFileError error_code = base::PLATFORM_FILE_OK; |
| file_handle_ = base::CreatePlatformFile(file_path_, file_flags_, |
| &created_, &error_code); |
| set_error_code(error_code); |
| } |
| |
| virtual void RunCallback() { |
| callback_->Run(error_code(), base::PassPlatformFile(&file_handle_), |
| created_); |
| delete callback_; |
| } |
| |
| private: |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; |
| FilePath file_path_; |
| int file_flags_; |
| base::FileUtilProxy::CreateOrOpenCallback* callback_; |
| base::PlatformFile file_handle_; |
| bool created_; |
| }; |
| |
| class RelayCreateTemporary : public MessageLoopRelay { |
| public: |
| RelayCreateTemporary( |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| base::FileUtilProxy::CreateTemporaryCallback* callback) |
| : message_loop_proxy_(message_loop_proxy), |
| callback_(callback), |
| file_handle_(base::kInvalidPlatformFileValue) { |
| DCHECK(callback); |
| } |
| |
| protected: |
| virtual ~RelayCreateTemporary() { |
| if (file_handle_ != base::kInvalidPlatformFileValue) |
| base::FileUtilProxy::Close(message_loop_proxy_, file_handle_, NULL); |
| } |
| |
| virtual void RunWork() { |
| // TODO(darin): file_util should have a variant of CreateTemporaryFile |
| // that returns a FilePath and a PlatformFile. |
| file_util::CreateTemporaryFile(&file_path_); |
| |
| // Use a fixed set of flags that are appropriate for writing to a temporary |
| // file from the IO thread using a net::FileStream. |
| int file_flags = |
| base::PLATFORM_FILE_CREATE_ALWAYS | |
| base::PLATFORM_FILE_WRITE | |
| base::PLATFORM_FILE_ASYNC | |
| base::PLATFORM_FILE_TEMPORARY; |
| base::PlatformFileError error_code = base::PLATFORM_FILE_OK; |
| file_handle_ = base::CreatePlatformFile(file_path_, file_flags, |
| NULL, &error_code); |
| set_error_code(error_code); |
| } |
| |
| virtual void RunCallback() { |
| callback_->Run(error_code(), base::PassPlatformFile(&file_handle_), |
| file_path_); |
| delete callback_; |
| } |
| |
| private: |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; |
| base::FileUtilProxy::CreateTemporaryCallback* callback_; |
| base::PlatformFile file_handle_; |
| FilePath file_path_; |
| }; |
| |
| class RelayWithStatusCallback : public MessageLoopRelay { |
| public: |
| explicit RelayWithStatusCallback( |
| base::FileUtilProxy::StatusCallback* callback) |
| : callback_(callback) { |
| // It is OK for callback to be NULL. |
| } |
| |
| protected: |
| virtual void RunCallback() { |
| // The caller may not have been interested in the result. |
| if (callback_) { |
| callback_->Run(error_code()); |
| delete callback_; |
| } |
| } |
| |
| private: |
| base::FileUtilProxy::StatusCallback* callback_; |
| }; |
| |
| class RelayClose : public RelayWithStatusCallback { |
| public: |
| RelayClose(base::PlatformFile file_handle, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_handle_(file_handle) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!base::ClosePlatformFile(file_handle_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| base::PlatformFile file_handle_; |
| }; |
| |
| class RelayEnsureFileExists : public MessageLoopRelay { |
| public: |
| RelayEnsureFileExists( |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| base::FileUtilProxy::EnsureFileExistsCallback* callback) |
| : message_loop_proxy_(message_loop_proxy), |
| file_path_(file_path), |
| callback_(callback), |
| created_(false) { |
| DCHECK(callback); |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!file_util::DirectoryExists(file_path_.DirName())) { |
| // If its parent does not exist, should return NOT_FOUND error. |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_FOUND); |
| return; |
| } |
| base::PlatformFileError error_code = base::PLATFORM_FILE_OK; |
| // Tries to create the |file_path_| exclusively. This should fail |
| // with PLATFORM_FILE_ERROR_EXISTS if the path already exists. |
| base::PlatformFile handle = base::CreatePlatformFile( |
| file_path_, |
| base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ, |
| &created_, &error_code); |
| if (error_code == base::PLATFORM_FILE_ERROR_EXISTS) { |
| // Make sure created_ is false. |
| created_ = false; |
| error_code = base::PLATFORM_FILE_OK; |
| } |
| if (handle != base::kInvalidPlatformFileValue) |
| base::ClosePlatformFile(handle); |
| set_error_code(error_code); |
| } |
| |
| virtual void RunCallback() { |
| callback_->Run(error_code(), created_); |
| delete callback_; |
| } |
| |
| private: |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; |
| FilePath file_path_; |
| base::FileUtilProxy::EnsureFileExistsCallback* callback_; |
| bool created_; |
| }; |
| |
| class RelayDelete : public RelayWithStatusCallback { |
| public: |
| RelayDelete(const FilePath& file_path, |
| bool recursive, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_path_(file_path), |
| recursive_(recursive) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!file_util::PathExists(file_path_)) { |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_FOUND); |
| return; |
| } |
| if (!file_util::Delete(file_path_, recursive_)) { |
| if (!recursive_ && !file_util::IsDirectoryEmpty(file_path_)) { |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_EMPTY); |
| return; |
| } |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| } |
| |
| private: |
| FilePath file_path_; |
| bool recursive_; |
| }; |
| |
| class RelayCopy : public RelayWithStatusCallback { |
| public: |
| RelayCopy(const FilePath& src_file_path, |
| const FilePath& dest_file_path, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| src_file_path_(src_file_path), |
| dest_file_path_(dest_file_path) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| set_error_code(PerformCommonCheckAndPreparationForMoveAndCopy( |
| src_file_path_, dest_file_path_)); |
| if (error_code() != base::PLATFORM_FILE_OK) |
| return; |
| if (!file_util::CopyDirectory(src_file_path_, dest_file_path_, |
| true /* recursive */)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| FilePath src_file_path_; |
| FilePath dest_file_path_; |
| }; |
| |
| class RelayMove : public RelayWithStatusCallback { |
| public: |
| RelayMove(const FilePath& src_file_path, |
| const FilePath& dest_file_path, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| src_file_path_(src_file_path), |
| dest_file_path_(dest_file_path) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| set_error_code(PerformCommonCheckAndPreparationForMoveAndCopy( |
| src_file_path_, dest_file_path_)); |
| if (error_code() != base::PLATFORM_FILE_OK) |
| return; |
| if (!file_util::Move(src_file_path_, dest_file_path_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| FilePath src_file_path_; |
| FilePath dest_file_path_; |
| }; |
| |
| class RelayCreateDirectory : public RelayWithStatusCallback { |
| public: |
| RelayCreateDirectory( |
| const FilePath& file_path, |
| bool exclusive, |
| bool recursive, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_path_(file_path), |
| exclusive_(exclusive), |
| recursive_(recursive) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| bool path_exists = file_util::PathExists(file_path_); |
| // If parent dir of file doesn't exist. |
| if (!recursive_ && !file_util::PathExists(file_path_.DirName())) { |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_FOUND); |
| return; |
| } |
| if (exclusive_ && path_exists) { |
| set_error_code(base::PLATFORM_FILE_ERROR_EXISTS); |
| return; |
| } |
| // If file exists at the path. |
| if (path_exists && !file_util::DirectoryExists(file_path_)) { |
| set_error_code(base::PLATFORM_FILE_ERROR_EXISTS); |
| return; |
| } |
| if (!file_util::CreateDirectory(file_path_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| FilePath file_path_; |
| bool exclusive_; |
| bool recursive_; |
| }; |
| |
| class RelayReadDirectory : public MessageLoopRelay { |
| public: |
| RelayReadDirectory(const FilePath& file_path, |
| base::FileUtilProxy::ReadDirectoryCallback* callback) |
| : callback_(callback), file_path_(file_path) { |
| DCHECK(callback); |
| } |
| |
| protected: |
| virtual void RunWork() { |
| // TODO(kkanetkar): Implement directory read in multiple chunks. |
| if (!file_util::DirectoryExists(file_path_)) { |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_FOUND); |
| return; |
| } |
| |
| file_util::FileEnumerator file_enum( |
| file_path_, false, static_cast<file_util::FileEnumerator::FILE_TYPE>( |
| file_util::FileEnumerator::FILES | |
| file_util::FileEnumerator::DIRECTORIES)); |
| FilePath current; |
| while (!(current = file_enum.Next()).empty()) { |
| base::FileUtilProxy::Entry entry; |
| file_util::FileEnumerator::FindInfo info; |
| file_enum.GetFindInfo(&info); |
| entry.is_directory = file_enum.IsDirectory(info); |
| // This will just give the entry's name instead of entire path |
| // if we use current.value(). |
| entry.name = file_util::FileEnumerator::GetFilename(info).value(); |
| entries_.push_back(entry); |
| } |
| } |
| |
| virtual void RunCallback() { |
| callback_->Run(error_code(), entries_); |
| delete callback_; |
| } |
| |
| private: |
| base::FileUtilProxy::ReadDirectoryCallback* callback_; |
| FilePath file_path_; |
| std::vector<base::FileUtilProxy::Entry> entries_; |
| }; |
| |
| class RelayGetFileInfo : public MessageLoopRelay { |
| public: |
| RelayGetFileInfo(const FilePath& file_path, |
| base::FileUtilProxy::GetFileInfoCallback* callback) |
| : callback_(callback), |
| file_path_(file_path) { |
| DCHECK(callback); |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!file_util::PathExists(file_path_)) { |
| set_error_code(base::PLATFORM_FILE_ERROR_NOT_FOUND); |
| return; |
| } |
| if (!file_util::GetFileInfo(file_path_, &file_info_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| virtual void RunCallback() { |
| callback_->Run(error_code(), file_info_); |
| delete callback_; |
| } |
| |
| private: |
| base::FileUtilProxy::GetFileInfoCallback* callback_; |
| FilePath file_path_; |
| base::PlatformFileInfo file_info_; |
| }; |
| |
| class RelayGetFileInfoFromPlatformFile : public MessageLoopRelay { |
| public: |
| RelayGetFileInfoFromPlatformFile( |
| base::PlatformFile file, |
| base::FileUtilProxy::GetFileInfoCallback* callback) |
| : callback_(callback), |
| file_(file) { |
| DCHECK(callback); |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!base::GetPlatformFileInfo(file_, &file_info_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| virtual void RunCallback() { |
| callback_->Run(error_code(), file_info_); |
| delete callback_; |
| } |
| |
| private: |
| base::FileUtilProxy::GetFileInfoCallback* callback_; |
| base::PlatformFile file_; |
| base::PlatformFileInfo file_info_; |
| }; |
| |
| class RelayRead : public MessageLoopRelay { |
| public: |
| RelayRead(base::PlatformFile file, |
| int64 offset, |
| int bytes_to_read, |
| base::FileUtilProxy::ReadCallback* callback) |
| : file_(file), |
| offset_(offset), |
| buffer_(new char[bytes_to_read]), |
| bytes_to_read_(bytes_to_read), |
| callback_(callback), |
| bytes_read_(0) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| bytes_read_ = base::ReadPlatformFile(file_, offset_, buffer_.get(), |
| bytes_to_read_); |
| if (bytes_read_ < 0) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| virtual void RunCallback() { |
| if (callback_) { |
| callback_->Run(error_code(), buffer_.get(), bytes_read_); |
| delete callback_; |
| } |
| } |
| |
| private: |
| base::PlatformFile file_; |
| int64 offset_; |
| scoped_array<char> buffer_; |
| int bytes_to_read_; |
| base::FileUtilProxy::ReadCallback* callback_; |
| int bytes_read_; |
| }; |
| |
| class RelayWrite : public MessageLoopRelay { |
| public: |
| RelayWrite(base::PlatformFile file, |
| int64 offset, |
| const char* buffer, |
| int bytes_to_write, |
| base::FileUtilProxy::WriteCallback* callback) |
| : file_(file), |
| offset_(offset), |
| buffer_(new char[bytes_to_write]), |
| bytes_to_write_(bytes_to_write), |
| callback_(callback), |
| bytes_written_(0) { |
| memcpy(buffer_.get(), buffer, bytes_to_write); |
| } |
| |
| protected: |
| virtual void RunWork() { |
| bytes_written_ = base::WritePlatformFile(file_, offset_, buffer_.get(), |
| bytes_to_write_); |
| if (bytes_written_ < 0) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| virtual void RunCallback() { |
| if (callback_) { |
| callback_->Run(error_code(), bytes_written_); |
| delete callback_; |
| } |
| } |
| |
| private: |
| base::PlatformFile file_; |
| int64 offset_; |
| scoped_array<char> buffer_; |
| int bytes_to_write_; |
| base::FileUtilProxy::WriteCallback* callback_; |
| int bytes_written_; |
| }; |
| |
| class RelayTouch : public RelayWithStatusCallback { |
| public: |
| RelayTouch(base::PlatformFile file, |
| const base::Time& last_access_time, |
| const base::Time& last_modified_time, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_(file), |
| last_access_time_(last_access_time), |
| last_modified_time_(last_modified_time) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!base::TouchPlatformFile(file_, last_access_time_, last_modified_time_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| base::PlatformFile file_; |
| base::Time last_access_time_; |
| base::Time last_modified_time_; |
| }; |
| |
| class RelayTouchFilePath : public RelayWithStatusCallback { |
| public: |
| RelayTouchFilePath(const FilePath& file_path, |
| const base::Time& last_access_time, |
| const base::Time& last_modified_time, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_path_(file_path), |
| last_access_time_(last_access_time), |
| last_modified_time_(last_modified_time) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!file_util::TouchFile( |
| file_path_, last_access_time_, last_modified_time_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| FilePath file_path_; |
| base::Time last_access_time_; |
| base::Time last_modified_time_; |
| }; |
| |
| class RelayTruncatePlatformFile : public RelayWithStatusCallback { |
| public: |
| RelayTruncatePlatformFile(base::PlatformFile file, |
| int64 length, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_(file), |
| length_(length) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!base::TruncatePlatformFile(file_, length_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| base::PlatformFile file_; |
| int64 length_; |
| }; |
| |
| class RelayTruncate : public RelayWithStatusCallback { |
| public: |
| RelayTruncate(const FilePath& path, |
| int64 length, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| path_(path), |
| length_(length) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| base::PlatformFileError error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| base::PlatformFile file = |
| base::CreatePlatformFile( |
| path_, |
| base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_WRITE, |
| NULL, |
| &error_code); |
| if (error_code != base::PLATFORM_FILE_OK) { |
| set_error_code(error_code); |
| return; |
| } |
| if (!base::TruncatePlatformFile(file, length_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| base::ClosePlatformFile(file); |
| } |
| |
| private: |
| FilePath path_; |
| int64 length_; |
| }; |
| |
| class RelayFlush : public RelayWithStatusCallback { |
| public: |
| RelayFlush(base::PlatformFile file, |
| base::FileUtilProxy::StatusCallback* callback) |
| : RelayWithStatusCallback(callback), |
| file_(file) { |
| } |
| |
| protected: |
| virtual void RunWork() { |
| if (!base::FlushPlatformFile(file_)) |
| set_error_code(base::PLATFORM_FILE_ERROR_FAILED); |
| } |
| |
| private: |
| base::PlatformFile file_; |
| }; |
| |
| bool Start(const tracked_objects::Location& from_here, |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy, |
| scoped_refptr<MessageLoopRelay> relay) { |
| return relay->Start(message_loop_proxy, from_here); |
| } |
| |
| } // namespace |
| |
| namespace base { |
| |
| // static |
| bool FileUtilProxy::CreateOrOpen( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, int file_flags, |
| CreateOrOpenCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, new RelayCreateOrOpen( |
| message_loop_proxy, file_path, file_flags, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::CreateTemporary( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| CreateTemporaryCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayCreateTemporary(message_loop_proxy, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Close(scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| base::PlatformFile file_handle, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayClose(file_handle, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::EnsureFileExists( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| EnsureFileExistsCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, new RelayEnsureFileExists( |
| message_loop_proxy, file_path, callback)); |
| } |
| |
| // Retrieves the information about a file. It is invalid to pass NULL for the |
| // callback. |
| bool FileUtilProxy::GetFileInfo( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| GetFileInfoCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, new RelayGetFileInfo( |
| file_path, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::GetFileInfoFromPlatformFile( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| PlatformFile file, |
| GetFileInfoCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayGetFileInfoFromPlatformFile(file, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::ReadDirectory( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| ReadDirectoryCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, new RelayReadDirectory( |
| file_path, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::CreateDirectory( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| bool exclusive, |
| bool recursive, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, new RelayCreateDirectory( |
| file_path, exclusive, recursive, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Copy(scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& src_file_path, |
| const FilePath& dest_file_path, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayCopy(src_file_path, dest_file_path, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Move(scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& src_file_path, |
| const FilePath& dest_file_path, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayMove(src_file_path, dest_file_path, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Delete(scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| bool recursive, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayDelete(file_path, recursive, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::RecursiveDelete( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayDelete(file_path, true, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Read( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| PlatformFile file, |
| int64 offset, |
| int bytes_to_read, |
| ReadCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayRead(file, offset, bytes_to_read, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Write( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| PlatformFile file, |
| int64 offset, |
| const char* buffer, |
| int bytes_to_write, |
| WriteCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayWrite(file, offset, buffer, bytes_to_write, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Touch( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| PlatformFile file, |
| const base::Time& last_access_time, |
| const base::Time& last_modified_time, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayTouch(file, last_access_time, last_modified_time, |
| callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Touch( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& file_path, |
| const base::Time& last_access_time, |
| const base::Time& last_modified_time, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayTouchFilePath(file_path, last_access_time, |
| last_modified_time, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Truncate( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| PlatformFile file, |
| int64 length, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayTruncatePlatformFile(file, length, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Truncate( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| const FilePath& path, |
| int64 length, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, |
| new RelayTruncate(path, length, callback)); |
| } |
| |
| // static |
| bool FileUtilProxy::Flush( |
| scoped_refptr<MessageLoopProxy> message_loop_proxy, |
| PlatformFile file, |
| StatusCallback* callback) { |
| return Start(FROM_HERE, message_loop_proxy, new RelayFlush(file, callback)); |
| } |
| |
| } // namespace base |