Stop returning the true root path of each filesystem from openFileSystem....

webkit/fileapi/local_file_system_file_util.cc

+// 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 "webkit/fileapi/local_file_system_file_util.h"
+
+#include "base/file_util_proxy.h"
+#include "googleurl/src/gurl.h"
+#include "webkit/fileapi/file_system_context.h"
+#include "webkit/fileapi/file_system_operation_context.h"
+#include "webkit/fileapi/file_system_path_manager.h"
+#include "webkit/fileapi/file_system_types.h"
+#include "webkit/fileapi/file_system_util.h"
+
+namespace fileapi {
+
+LocalFileSystemFileUtil* LocalFileSystemFileUtil::GetInstance() {
+  return Singleton<LocalFileSystemFileUtil>::get();
+}
+
+PlatformFileError LocalFileSystemFileUtil::CreateOrOpen(
+    FileSystemOperationContext* context,
+    const FilePath& file_path, int file_flags,
+    PlatformFile* file_handle, bool* created) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->CreateOrOpen(
+      context, local_path, file_flags, file_handle, created);
+}
+
+PlatformFileError LocalFileSystemFileUtil::EnsureFileExists(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    bool* created) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->EnsureFileExists(
+      context, local_path, created);
+}
+
+PlatformFileError LocalFileSystemFileUtil::GetFileInfo(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    base::PlatformFileInfo* file_info) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->GetFileInfo(
+      context, local_path, file_info);
+}
+
+PlatformFileError LocalFileSystemFileUtil::ReadDirectory(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    std::vector<base::FileUtilProxy::Entry>* entries) {
+  // TODO(kkanetkar): Implement directory read in multiple chunks.
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->ReadDirectory(
+      context, local_path, entries);
+}
+
+PlatformFileError LocalFileSystemFileUtil::CreateDirectory(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    bool exclusive,
+    bool recursive) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->CreateDirectory(
+      context, local_path, exclusive, recursive);
+}
+
+PlatformFileError LocalFileSystemFileUtil::Copy(
+    FileSystemOperationContext* context,
+    const FilePath& src_file_path,
+    const FilePath& dest_file_path) {
+  // TODO(ericu): If they share a root URL, this could be optimized.
+  FilePath local_src_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          src_file_path);
+  if (local_src_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  FilePath local_dest_path =
+      GetLocalPath(context, context->dest_origin_url(), context->dest_type(),
+          dest_file_path);
+  if (local_dest_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->Copy(
+      context, local_src_path, local_dest_path);
+}
+
+PlatformFileError LocalFileSystemFileUtil::Move(
+    FileSystemOperationContext* context,
+    const FilePath& src_file_path,
+    const FilePath& dest_file_path) {
+  // TODO(ericu): If they share a root URL, this could be optimized.
+  FilePath local_src_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          src_file_path);
+  if (local_src_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  FilePath local_dest_path =
+      GetLocalPath(context, context->dest_origin_url(), context->dest_type(),
+          dest_file_path);
+  if (local_dest_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->Move(
+      context, local_src_path, local_dest_path);
+}
+
+PlatformFileError LocalFileSystemFileUtil::Delete(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    bool recursive) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->Delete(
+      context, local_path, recursive);
+}
+
+PlatformFileError LocalFileSystemFileUtil::Touch(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    const base::Time& last_access_time,
+    const base::Time& last_modified_time) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->Touch(
+      context, local_path, last_access_time, last_modified_time);
+}
+
+PlatformFileError LocalFileSystemFileUtil::Truncate(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    int64 length) {
+  FilePath local_path =
+      GetLocalPath(context, context->src_origin_url(), context->src_type(),
+          file_path);
+  if (local_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return FileSystemFileUtil::GetInstance()->Truncate(
+      context, local_path, length);
+}
+
+FilePath LocalFileSystemFileUtil::GetLocalPath(
+    FileSystemOperationContext* context,
+    const GURL& origin_url,
+    FileSystemType type,
+    const FilePath& virtual_path) {
+  FilePath root = context->file_system_context()->path_manager()->
+      GetFileSystemRootPathOnFileThread(origin_url, type, false);
+  if (root.empty())
+    return FilePath();
+  return root.Append(virtual_path);
+}
+
+}  // namespace fileapi