fileapi: Rename FileSystemMountProvider to FileSystemBackend

webkit/browser/fileapi/test_mount_point_provider.cc

-// 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/test_mount_point_provider.h"
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/file_util.h"
-#include "base/sequenced_task_runner.h"
-#include "webkit/browser/fileapi/copy_or_move_file_validator.h"
-#include "webkit/browser/fileapi/file_observers.h"
-#include "webkit/browser/fileapi/file_system_file_stream_reader.h"
-#include "webkit/browser/fileapi/file_system_operation_context.h"
-#include "webkit/browser/fileapi/file_system_quota_util.h"
-#include "webkit/browser/fileapi/local_file_system_operation.h"
-#include "webkit/browser/fileapi/local_file_util.h"
-#include "webkit/browser/fileapi/native_file_util.h"
-#include "webkit/browser/fileapi/sandbox_file_stream_writer.h"
-#include "webkit/browser/quota/quota_manager.h"
-#include "webkit/common/fileapi/file_system_util.h"
-
-namespace fileapi {
-
-// This only supports single origin.
-class TestMountPointProvider::QuotaUtil
-    : public FileSystemQuotaUtil,
-      public FileUpdateObserver {
- public:
-  QuotaUtil() : usage_(0) {}
-  virtual ~QuotaUtil() {}
-
-  // FileSystemQuotaUtil overrides.
-  virtual base::PlatformFileError DeleteOriginDataOnFileThread(
-      FileSystemContext* context,
-      quota::QuotaManagerProxy* proxy,
-      const GURL& origin_url,
-      FileSystemType type) OVERRIDE {
-    NOTREACHED();
-    return base::PLATFORM_FILE_OK;
-  }
-  virtual void GetOriginsForTypeOnFileThread(
-      FileSystemType type,
-      std::set<GURL>* origins) OVERRIDE {
-    NOTREACHED();
-  }
-  virtual void GetOriginsForHostOnFileThread(
-      FileSystemType type,
-      const std::string& host,
-      std::set<GURL>* origins) OVERRIDE {
-    NOTREACHED();
-  }
-  virtual int64 GetOriginUsageOnFileThread(
-      FileSystemContext* context,
-      const GURL& origin_url,
-      FileSystemType type) OVERRIDE {
-    return usage_;
-  }
-  virtual void InvalidateUsageCache(const GURL& origin_url,
-                                    FileSystemType type) OVERRIDE {
-    // Do nothing.
-  }
-  virtual void StickyInvalidateUsageCache(
-      const GURL& origin,
-      FileSystemType type) OVERRIDE {
-    // Do nothing.
-  }
-
-  // FileUpdateObserver overrides.
-  virtual void OnStartUpdate(const FileSystemURL& url) OVERRIDE {}
-  virtual void OnUpdate(const FileSystemURL& url, int64 delta) OVERRIDE {
-    usage_ += delta;
-  }
-  virtual void OnEndUpdate(const FileSystemURL& url) OVERRIDE {}
-
- private:
-  int64 usage_;
-};
-
-TestMountPointProvider::TestMountPointProvider(
-    base::SequencedTaskRunner* task_runner,
-    const base::FilePath& base_path)
-    : base_path_(base_path),
-      task_runner_(task_runner),
-      local_file_util_(new AsyncFileUtilAdapter(new LocalFileUtil())),
-      quota_util_(new QuotaUtil),
-      require_copy_or_move_validator_(false) {
-  UpdateObserverList::Source source;
-  source.AddObserver(quota_util_.get(), task_runner_.get());
-  update_observers_ = UpdateObserverList(source);
-}
-
-TestMountPointProvider::~TestMountPointProvider() {
-}
-
-bool TestMountPointProvider::CanHandleType(FileSystemType type) const {
-  return (type == kFileSystemTypeTest);
-}
-
-void TestMountPointProvider::OpenFileSystem(
-    const GURL& origin_url,
-    FileSystemType type,
-    OpenFileSystemMode mode,
-    const OpenFileSystemCallback& callback) {
-  callback.Run(base::PLATFORM_FILE_OK);
-}
-
-FileSystemFileUtil* TestMountPointProvider::GetFileUtil(FileSystemType type) {
-  DCHECK(local_file_util_.get());
-  return local_file_util_->sync_file_util();
-}
-
-AsyncFileUtil* TestMountPointProvider::GetAsyncFileUtil(FileSystemType type) {
-  return local_file_util_.get();
-}
-
-CopyOrMoveFileValidatorFactory*
-TestMountPointProvider::GetCopyOrMoveFileValidatorFactory(
-    FileSystemType type, base::PlatformFileError* error_code) {
-  DCHECK(error_code);
-  *error_code = base::PLATFORM_FILE_OK;
-  if (require_copy_or_move_validator_) {
-    if (!copy_or_move_file_validator_factory_)
-      *error_code = base::PLATFORM_FILE_ERROR_SECURITY;
-    return copy_or_move_file_validator_factory_.get();
-  }
-  return NULL;
-}
-
-void TestMountPointProvider::InitializeCopyOrMoveFileValidatorFactory(
-    scoped_ptr<CopyOrMoveFileValidatorFactory> factory) {
-  if (!require_copy_or_move_validator_) {
-    DCHECK(!factory);
-    return;
-  }
-  if (!copy_or_move_file_validator_factory_)
-    copy_or_move_file_validator_factory_ = factory.Pass();
-}
-
-FileSystemOperation* TestMountPointProvider::CreateFileSystemOperation(
-    const FileSystemURL& url,
-    FileSystemContext* context,
-    base::PlatformFileError* error_code) const {
-  scoped_ptr<FileSystemOperationContext> operation_context(
-      new FileSystemOperationContext(context));
-  operation_context->set_update_observers(update_observers_);
-  operation_context->set_change_observers(change_observers_);
-  operation_context->set_root_path(base_path_);
-  return new LocalFileSystemOperation(url, context, operation_context.Pass());
-}
-
-scoped_ptr<webkit_blob::FileStreamReader>
-TestMountPointProvider::CreateFileStreamReader(
-    const FileSystemURL& url,
-    int64 offset,
-    const base::Time& expected_modification_time,
-    FileSystemContext* context) const {
-  return scoped_ptr<webkit_blob::FileStreamReader>(
-      new FileSystemFileStreamReader(
-          context, url, offset, expected_modification_time));
-}
-
-scoped_ptr<fileapi::FileStreamWriter>
-TestMountPointProvider::CreateFileStreamWriter(
-    const FileSystemURL& url,
-    int64 offset,
-    FileSystemContext* context) const {
-  return scoped_ptr<fileapi::FileStreamWriter>(
-      new SandboxFileStreamWriter(context, url, offset, update_observers_));
-}
-
-FileSystemQuotaUtil* TestMountPointProvider::GetQuotaUtil() {
-  return quota_util_.get();
-}
-
-const UpdateObserverList* TestMountPointProvider::GetUpdateObservers(
-    FileSystemType type) const {
-  return &update_observers_;
-}
-
-void TestMountPointProvider::AddFileChangeObserver(
-    FileChangeObserver* observer) {
-  ChangeObserverList::Source source = change_observers_.source();
-  source.AddObserver(observer, task_runner_.get());
-  change_observers_ = ChangeObserverList(source);
-}
-
-}  // namespace fileapi