Rename fileapi::LocalFileSystemOperation to FileSystemOperationImpl.

webkit/browser/fileapi/local_file_system_operation.cc

Index: webkit/browser/fileapi/local_file_system_operation.cc
diff --git a/webkit/browser/fileapi/local_file_system_operation.cc b/webkit/browser/fileapi/local_file_system_operation.cc
deleted file mode 100644
index 1309caf84d0b5b6c8dbf51a4dd87e6ce8066f533..0000000000000000000000000000000000000000
--- a/webkit/browser/fileapi/local_file_system_operation.cc
+++ /dev/null
@@ -1,541 +0,0 @@
-// Copyright (c) 2012 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 "webkit/browser/fileapi/local_file_system_operation.h"
-
-#include "base/bind.h"
-#include "base/single_thread_task_runner.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/time/time.h"
-#include "net/base/escape.h"
-#include "net/url_request/url_request.h"
-#include "webkit/browser/fileapi/async_file_util.h"
-#include "webkit/browser/fileapi/copy_or_move_operation_delegate.h"
-#include "webkit/browser/fileapi/file_observers.h"
-#include "webkit/browser/fileapi/file_system_backend.h"
-#include "webkit/browser/fileapi/file_system_context.h"
-#include "webkit/browser/fileapi/file_system_file_util.h"
-#include "webkit/browser/fileapi/file_system_operation_context.h"
-#include "webkit/browser/fileapi/file_system_task_runners.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-#include "webkit/browser/fileapi/file_writer_delegate.h"
-#include "webkit/browser/fileapi/remove_operation_delegate.h"
-#include "webkit/browser/fileapi/sandbox_file_stream_writer.h"
-#include "webkit/browser/quota/quota_manager.h"
-#include "webkit/common/blob/shareable_file_reference.h"
-#include "webkit/common/fileapi/file_system_types.h"
-#include "webkit/common/fileapi/file_system_util.h"
-#include "webkit/common/quota/quota_types.h"
-
-using webkit_blob::ScopedFile;
-
-namespace fileapi {
-
-LocalFileSystemOperation::LocalFileSystemOperation(
-    const FileSystemURL& url,
-    FileSystemContext* file_system_context,
-    scoped_ptr<FileSystemOperationContext> operation_context)
-    : file_system_context_(file_system_context),
-      operation_context_(operation_context.Pass()),
-      async_file_util_(NULL),
-      peer_handle_(base::kNullProcessHandle),
-      pending_operation_(kOperationNone) {
-  DCHECK(operation_context_.get());
-  operation_context_->DetachUserDataThread();
-  async_file_util_ = file_system_context_->GetAsyncFileUtil(url.type());
-  DCHECK(async_file_util_);
-}
-
-LocalFileSystemOperation::~LocalFileSystemOperation() {
-}
-
-void LocalFileSystemOperation::CreateFile(const FileSystemURL& url,
-                                          bool exclusive,
-                                          const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationCreateFile));
-  GetUsageAndQuotaThenRunTask(
-      url,
-      base::Bind(&LocalFileSystemOperation::DoCreateFile,
-                 AsWeakPtr(), url, callback, exclusive),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED));
-}
-
-void LocalFileSystemOperation::CreateDirectory(const FileSystemURL& url,
-                                               bool exclusive,
-                                               bool recursive,
-                                               const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationCreateDirectory));
-  GetUsageAndQuotaThenRunTask(
-      url,
-      base::Bind(&LocalFileSystemOperation::DoCreateDirectory,
-                 AsWeakPtr(), url, callback, exclusive, recursive),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED));
-}
-
-void LocalFileSystemOperation::Copy(const FileSystemURL& src_url,
-                                    const FileSystemURL& dest_url,
-                                    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationCopy));
-  DCHECK(!recursive_operation_delegate_);
-  recursive_operation_delegate_.reset(
-      new CopyOrMoveOperationDelegate(
-          file_system_context(),
-          src_url, dest_url,
-          CopyOrMoveOperationDelegate::OPERATION_COPY,
-          base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                     AsWeakPtr(), callback)));
-  recursive_operation_delegate_->RunRecursively();
-}
-
-void LocalFileSystemOperation::Move(const FileSystemURL& src_url,
-                                    const FileSystemURL& dest_url,
-                                    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationMove));
-  DCHECK(!recursive_operation_delegate_);
-  recursive_operation_delegate_.reset(
-      new CopyOrMoveOperationDelegate(
-          file_system_context(),
-          src_url, dest_url,
-          CopyOrMoveOperationDelegate::OPERATION_MOVE,
-          base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                     AsWeakPtr(), callback)));
-  recursive_operation_delegate_->RunRecursively();
-}
-
-void LocalFileSystemOperation::DirectoryExists(const FileSystemURL& url,
-                                               const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationDirectoryExists));
-  async_file_util_->GetFileInfo(
-      operation_context_.Pass(), url,
-      base::Bind(&LocalFileSystemOperation::DidDirectoryExists,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::FileExists(const FileSystemURL& url,
-                                          const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationFileExists));
-  async_file_util_->GetFileInfo(
-      operation_context_.Pass(), url,
-      base::Bind(&LocalFileSystemOperation::DidFileExists,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::GetMetadata(
-    const FileSystemURL& url, const GetMetadataCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationGetMetadata));
-  async_file_util_->GetFileInfo(operation_context_.Pass(), url, callback);
-}
-
-void LocalFileSystemOperation::ReadDirectory(
-    const FileSystemURL& url, const ReadDirectoryCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationReadDirectory));
-  async_file_util_->ReadDirectory(
-      operation_context_.Pass(), url, callback);
-}
-
-void LocalFileSystemOperation::Remove(const FileSystemURL& url,
-                                      bool recursive,
-                                      const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationRemove));
-  DCHECK(!recursive_operation_delegate_);
-
-  if (recursive) {
-    // For recursive removal, try to delegate the operation to AsyncFileUtil
-    // first. If not supported, it is delegated to RemoveOperationDelegate
-    // in DidDeleteRecursively.
-    async_file_util_->DeleteRecursively(
-        operation_context_.Pass(), url,
-        base::Bind(&LocalFileSystemOperation::DidDeleteRecursively,
-                   AsWeakPtr(), url, callback));
-    return;
-  }
-
-  recursive_operation_delegate_.reset(
-      new RemoveOperationDelegate(
-          file_system_context(), url,
-          base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                     AsWeakPtr(), callback)));
-  recursive_operation_delegate_->Run();
-}
-
-void LocalFileSystemOperation::Write(
-    const FileSystemURL& url,
-    scoped_ptr<FileWriterDelegate> writer_delegate,
-    scoped_ptr<net::URLRequest> blob_request,
-    const WriteCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationWrite));
-  file_writer_delegate_ = writer_delegate.Pass();
-  file_writer_delegate_->Start(
-      blob_request.Pass(),
-      base::Bind(&LocalFileSystemOperation::DidWrite, AsWeakPtr(),
-                 url, callback));
-}
-
-void LocalFileSystemOperation::Truncate(const FileSystemURL& url, int64 length,
-                                        const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationTruncate));
-  GetUsageAndQuotaThenRunTask(
-      url,
-      base::Bind(&LocalFileSystemOperation::DoTruncate,
-                 AsWeakPtr(), url, callback, length),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED));
-}
-
-void LocalFileSystemOperation::TouchFile(const FileSystemURL& url,
-                                         const base::Time& last_access_time,
-                                         const base::Time& last_modified_time,
-                                         const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationTouchFile));
-  async_file_util_->Touch(
-      operation_context_.Pass(), url,
-      last_access_time, last_modified_time,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::OpenFile(const FileSystemURL& url,
-                                        int file_flags,
-                                        base::ProcessHandle peer_handle,
-                                        const OpenFileCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationOpenFile));
-  peer_handle_ = peer_handle;
-
-  if (file_flags & (
-      (base::PLATFORM_FILE_ENUMERATE | base::PLATFORM_FILE_TEMPORARY |
-       base::PLATFORM_FILE_HIDDEN))) {
-    callback.Run(base::PLATFORM_FILE_ERROR_FAILED,
-                 base::kInvalidPlatformFileValue,
-                 base::Closure(),
-                 base::kNullProcessHandle);
-    return;
-  }
-  GetUsageAndQuotaThenRunTask(
-      url,
-      base::Bind(&LocalFileSystemOperation::DoOpenFile,
-                 AsWeakPtr(),
-                 url, callback, file_flags),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED,
-                 base::kInvalidPlatformFileValue,
-                 base::Closure(),
-                 base::kNullProcessHandle));
-}
-
-// We can only get here on a write or truncate that's not yet completed.
-// We don't support cancelling any other operation at this time.
-void LocalFileSystemOperation::Cancel(const StatusCallback& cancel_callback) {
-  DCHECK(cancel_callback_.is_null());
-  cancel_callback_ = cancel_callback;
-
-  if (file_writer_delegate_.get()) {
-    DCHECK_EQ(kOperationWrite, pending_operation_);
-    // This will call DidWrite() with ABORT status code.
-    file_writer_delegate_->Cancel();
-  } else {
-    // For truncate we have no way to cancel the inflight operation (for now).
-    // Let it just run and dispatch cancel callback later.
-    DCHECK_EQ(kOperationTruncate, pending_operation_);
-  }
-}
-
-LocalFileSystemOperation*
-LocalFileSystemOperation::AsLocalFileSystemOperation() {
-  return this;
-}
-
-base::PlatformFileError LocalFileSystemOperation::SyncGetPlatformPath(
-    const FileSystemURL& url,
-    base::FilePath* platform_path) {
-  DCHECK(SetPendingOperationType(kOperationGetLocalPath));
-  FileSystemFileUtil* file_util = file_system_context()->GetFileUtil(
-      url.type());
-  if (!file_util)
-    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
-  file_util->GetLocalFilePath(operation_context_.get(), url, platform_path);
-  return base::PLATFORM_FILE_OK;
-}
-
-void LocalFileSystemOperation::CreateSnapshotFile(
-    const FileSystemURL& url,
-    const SnapshotFileCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationCreateSnapshotFile));
-  async_file_util_->CreateSnapshotFile(
-      operation_context_.Pass(), url, callback);
-}
-
-void LocalFileSystemOperation::CopyInForeignFile(
-    const base::FilePath& src_local_disk_file_path,
-    const FileSystemURL& dest_url,
-    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationCopyInForeignFile));
-  GetUsageAndQuotaThenRunTask(
-      dest_url,
-      base::Bind(&LocalFileSystemOperation::DoCopyInForeignFile,
-                 AsWeakPtr(), src_local_disk_file_path, dest_url,
-                 callback),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED));
-}
-
-void LocalFileSystemOperation::RemoveFile(
-    const FileSystemURL& url,
-    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationRemove));
-  async_file_util_->DeleteFile(
-      operation_context_.Pass(), url,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::RemoveDirectory(
-    const FileSystemURL& url,
-    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationRemove));
-  async_file_util_->DeleteDirectory(
-      operation_context_.Pass(), url,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::CopyFileLocal(
-    const FileSystemURL& src_url,
-    const FileSystemURL& dest_url,
-    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationCopy));
-  DCHECK(src_url.IsInSameFileSystem(dest_url));
-  GetUsageAndQuotaThenRunTask(
-      dest_url,
-      base::Bind(&LocalFileSystemOperation::DoCopyFileLocal,
-                 AsWeakPtr(), src_url, dest_url, callback),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED));
-}
-
-void LocalFileSystemOperation::MoveFileLocal(
-    const FileSystemURL& src_url,
-    const FileSystemURL& dest_url,
-    const StatusCallback& callback) {
-  DCHECK(SetPendingOperationType(kOperationMove));
-  DCHECK(src_url.IsInSameFileSystem(dest_url));
-  GetUsageAndQuotaThenRunTask(
-      dest_url,
-      base::Bind(&LocalFileSystemOperation::DoMoveFileLocal,
-                 AsWeakPtr(), src_url, dest_url, callback),
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_FAILED));
-}
-
-void LocalFileSystemOperation::GetUsageAndQuotaThenRunTask(
-    const FileSystemURL& url,
-    const base::Closure& task,
-    const base::Closure& error_callback) {
-  quota::QuotaManagerProxy* quota_manager_proxy =
-      file_system_context()->quota_manager_proxy();
-  if (!quota_manager_proxy ||
-      !file_system_context()->GetQuotaUtil(url.type())) {
-    // If we don't have the quota manager or the requested filesystem type
-    // does not support quota, we should be able to let it go.
-    operation_context_->set_allowed_bytes_growth(kint64max);
-    task.Run();
-    return;
-  }
-
-  DCHECK(quota_manager_proxy);
-  DCHECK(quota_manager_proxy->quota_manager());
-  quota_manager_proxy->quota_manager()->GetUsageAndQuota(
-      url.origin(),
-      FileSystemTypeToQuotaStorageType(url.type()),
-      base::Bind(&LocalFileSystemOperation::DidGetUsageAndQuotaAndRunTask,
-                 AsWeakPtr(), task, error_callback));
-}
-
-void LocalFileSystemOperation::DidGetUsageAndQuotaAndRunTask(
-    const base::Closure& task,
-    const base::Closure& error_callback,
-    quota::QuotaStatusCode status,
-    int64 usage, int64 quota) {
-  if (status != quota::kQuotaStatusOk) {
-    LOG(WARNING) << "Got unexpected quota error : " << status;
-    error_callback.Run();
-    return;
-  }
-
-  operation_context_->set_allowed_bytes_growth(quota - usage);
-  task.Run();
-}
-
-void LocalFileSystemOperation::DoCreateFile(
-    const FileSystemURL& url,
-    const StatusCallback& callback,
-    bool exclusive) {
-  async_file_util_->EnsureFileExists(
-      operation_context_.Pass(), url,
-      base::Bind(
-          exclusive ?
-              &LocalFileSystemOperation::DidEnsureFileExistsExclusive :
-              &LocalFileSystemOperation::DidEnsureFileExistsNonExclusive,
-          AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DoCreateDirectory(
-    const FileSystemURL& url,
-    const StatusCallback& callback,
-    bool exclusive, bool recursive) {
-  async_file_util_->CreateDirectory(
-      operation_context_.Pass(),
-      url, exclusive, recursive,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DoCopyFileLocal(
-    const FileSystemURL& src_url,
-    const FileSystemURL& dest_url,
-    const StatusCallback& callback) {
-  async_file_util_->CopyFileLocal(
-      operation_context_.Pass(), src_url, dest_url,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DoMoveFileLocal(
-    const FileSystemURL& src_url,
-    const FileSystemURL& dest_url,
-    const StatusCallback& callback) {
-  async_file_util_->MoveFileLocal(
-      operation_context_.Pass(), src_url, dest_url,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DoCopyInForeignFile(
-    const base::FilePath& src_local_disk_file_path,
-    const FileSystemURL& dest_url,
-    const StatusCallback& callback) {
-  async_file_util_->CopyInForeignFile(
-      operation_context_.Pass(),
-      src_local_disk_file_path, dest_url,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DoTruncate(const FileSystemURL& url,
-                                          const StatusCallback& callback,
-                                          int64 length) {
-  async_file_util_->Truncate(
-      operation_context_.Pass(), url, length,
-      base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DoOpenFile(const FileSystemURL& url,
-                                          const OpenFileCallback& callback,
-                                          int file_flags) {
-  async_file_util_->CreateOrOpen(
-      operation_context_.Pass(), url, file_flags,
-      base::Bind(&LocalFileSystemOperation::DidOpenFile,
-                 AsWeakPtr(), callback));
-}
-
-void LocalFileSystemOperation::DidEnsureFileExistsExclusive(
-    const StatusCallback& callback,
-    base::PlatformFileError rv, bool created) {
-  if (rv == base::PLATFORM_FILE_OK && !created) {
-    callback.Run(base::PLATFORM_FILE_ERROR_EXISTS);
-  } else {
-    DidFinishOperation(callback, rv);
-  }
-}
-
-void LocalFileSystemOperation::DidEnsureFileExistsNonExclusive(
-    const StatusCallback& callback,
-    base::PlatformFileError rv, bool /* created */) {
-  DidFinishOperation(callback, rv);
-}
-
-void LocalFileSystemOperation::DidFinishOperation(
-    const StatusCallback& callback,
-    base::PlatformFileError rv) {
-  if (!cancel_callback_.is_null()) {
-    DCHECK_EQ(kOperationTruncate, pending_operation_);
-
-    StatusCallback cancel_callback = cancel_callback_;
-    callback.Run(base::PLATFORM_FILE_ERROR_ABORT);
-    cancel_callback.Run(base::PLATFORM_FILE_OK);
-  } else {
-    callback.Run(rv);
-  }
-}
-
-void LocalFileSystemOperation::DidDirectoryExists(
-    const StatusCallback& callback,
-    base::PlatformFileError rv,
-    const base::PlatformFileInfo& file_info) {
-  if (rv == base::PLATFORM_FILE_OK && !file_info.is_directory)
-    rv = base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY;
-  callback.Run(rv);
-}
-
-void LocalFileSystemOperation::DidFileExists(
-    const StatusCallback& callback,
-    base::PlatformFileError rv,
-    const base::PlatformFileInfo& file_info) {
-  if (rv == base::PLATFORM_FILE_OK && file_info.is_directory)
-    rv = base::PLATFORM_FILE_ERROR_NOT_A_FILE;
-  callback.Run(rv);
-}
-
-void LocalFileSystemOperation::DidDeleteRecursively(
-    const FileSystemURL& url,
-    const StatusCallback& callback,
-    base::PlatformFileError rv) {
-  if (rv == base::PLATFORM_FILE_ERROR_INVALID_OPERATION) {
-    // Recursive removal is not supported on this platform.
-    DCHECK(!recursive_operation_delegate_);
-    recursive_operation_delegate_.reset(
-        new RemoveOperationDelegate(
-            file_system_context(), url,
-            base::Bind(&LocalFileSystemOperation::DidFinishOperation,
-                       AsWeakPtr(), callback)));
-    recursive_operation_delegate_->RunRecursively();
-    return;
-  }
-
-  callback.Run(rv);
-}
-
-void LocalFileSystemOperation::DidWrite(
-    const FileSystemURL& url,
-    const WriteCallback& write_callback,
-    base::PlatformFileError rv,
-    int64 bytes,
-    FileWriterDelegate::WriteProgressStatus write_status) {
-  const bool complete = (
-      write_status != FileWriterDelegate::SUCCESS_IO_PENDING);
-  if (complete && write_status != FileWriterDelegate::ERROR_WRITE_NOT_STARTED) {
-    DCHECK(operation_context_);
-    operation_context_->change_observers()->Notify(
-        &FileChangeObserver::OnModifyFile, MakeTuple(url));
-  }
-
-  StatusCallback cancel_callback = cancel_callback_;
-  write_callback.Run(rv, bytes, complete);
-  if (!cancel_callback.is_null())
-    cancel_callback.Run(base::PLATFORM_FILE_OK);
-}
-
-void LocalFileSystemOperation::DidOpenFile(
-    const OpenFileCallback& callback,
-    base::PlatformFileError rv,
-    base::PassPlatformFile file,
-    const base::Closure& on_close_callback) {
-  if (rv == base::PLATFORM_FILE_OK)
-    CHECK_NE(base::kNullProcessHandle, peer_handle_);
-  callback.Run(rv, file.ReleaseValue(), on_close_callback, peer_handle_);
-}
-
-bool LocalFileSystemOperation::SetPendingOperationType(OperationType type) {
-  if (pending_operation_ != kOperationNone)
-    return false;
-  pending_operation_ = type;
-  return true;
-}
-
-}  // namespace fileapi