Move webkit/fileapi/file_system_mount_point_provider.h to webkit/browser/fileapi

webkit/fileapi/file_system_context.cc

Index: webkit/fileapi/file_system_context.cc
diff --git a/webkit/fileapi/file_system_context.cc b/webkit/fileapi/file_system_context.cc
deleted file mode 100644
index 478da0263d1ee786fb8c9e674e283846e5d705c4..0000000000000000000000000000000000000000
--- a/webkit/fileapi/file_system_context.cc
+++ /dev/null
@@ -1,421 +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/fileapi/file_system_context.h"
-
-#include "base/bind.h"
-#include "base/single_thread_task_runner.h"
-#include "base/stl_util.h"
-#include "googleurl/src/gurl.h"
-#include "webkit/blob/file_stream_reader.h"
-#include "webkit/fileapi/copy_or_move_file_validator.h"
-#include "webkit/fileapi/external_mount_points.h"
-#include "webkit/fileapi/file_stream_writer.h"
-#include "webkit/fileapi/file_system_file_util.h"
-#include "webkit/fileapi/file_system_operation.h"
-#include "webkit/fileapi/file_system_options.h"
-#include "webkit/fileapi/file_system_quota_client.h"
-#include "webkit/fileapi/file_system_task_runners.h"
-#include "webkit/fileapi/file_system_url.h"
-#include "webkit/fileapi/file_system_util.h"
-#include "webkit/fileapi/isolated_context.h"
-#include "webkit/fileapi/isolated_mount_point_provider.h"
-#include "webkit/fileapi/mount_points.h"
-#include "webkit/fileapi/sandbox_mount_point_provider.h"
-#include "webkit/fileapi/syncable/local_file_change_tracker.h"
-#include "webkit/fileapi/syncable/local_file_sync_context.h"
-#include "webkit/fileapi/syncable/syncable_file_system_util.h"
-#include "webkit/fileapi/test_mount_point_provider.h"
-#include "webkit/quota/quota_manager.h"
-#include "webkit/quota/special_storage_policy.h"
-
-#if defined(OS_CHROMEOS)
-#include "webkit/chromeos/fileapi/cros_mount_point_provider.h"
-#endif
-
-using quota::QuotaClient;
-
-namespace fileapi {
-
-namespace {
-
-QuotaClient* CreateQuotaClient(
-    FileSystemContext* context,
-    bool is_incognito) {
-  return new FileSystemQuotaClient(context, is_incognito);
-}
-
-void DidOpenFileSystem(
-    const FileSystemContext::OpenFileSystemCallback& callback,
-    const GURL& filesystem_root,
-    const std::string& filesystem_name,
-    base::PlatformFileError error) {
-  callback.Run(error, filesystem_name, filesystem_root);
-}
-
-}  // namespace
-
-FileSystemContext::FileSystemContext(
-    scoped_ptr<FileSystemTaskRunners> task_runners,
-    ExternalMountPoints* external_mount_points,
-    quota::SpecialStoragePolicy* special_storage_policy,
-    quota::QuotaManagerProxy* quota_manager_proxy,
-    ScopedVector<FileSystemMountPointProvider> additional_providers,
-    const base::FilePath& partition_path,
-    const FileSystemOptions& options)
-    : task_runners_(task_runners.Pass()),
-      quota_manager_proxy_(quota_manager_proxy),
-      sandbox_provider_(
-          new SandboxMountPointProvider(
-              quota_manager_proxy,
-              task_runners_->file_task_runner(),
-              partition_path,
-              options,
-              special_storage_policy)),
-      isolated_provider_(new IsolatedMountPointProvider()),
-      additional_providers_(additional_providers.Pass()),
-      external_mount_points_(external_mount_points),
-      partition_path_(partition_path) {
-  DCHECK(task_runners_.get());
-
-  if (quota_manager_proxy) {
-    quota_manager_proxy->RegisterClient(CreateQuotaClient(
-            this, options.is_incognito()));
-  }
-
-  RegisterMountPointProvider(sandbox_provider_.get());
-  RegisterMountPointProvider(isolated_provider_.get());
-
-#if defined(OS_CHROMEOS)
-  // TODO(kinuko): Move this out of webkit/fileapi layer.
-  DCHECK(external_mount_points);
-  external_provider_.reset(
-      new chromeos::CrosMountPointProvider(
-          special_storage_policy,
-          external_mount_points,
-          ExternalMountPoints::GetSystemInstance()));
-  RegisterMountPointProvider(external_provider_.get());
-#endif
-
-  for (ScopedVector<FileSystemMountPointProvider>::const_iterator iter =
-          additional_providers_.begin();
-       iter != additional_providers_.end(); ++iter) {
-    RegisterMountPointProvider(*iter);
-  }
-
-  // Additional mount points must be added before regular system-wide
-  // mount points.
-  if (external_mount_points)
-    url_crackers_.push_back(external_mount_points);
-  url_crackers_.push_back(ExternalMountPoints::GetSystemInstance());
-  url_crackers_.push_back(IsolatedContext::GetInstance());
-}
-
-bool FileSystemContext::DeleteDataForOriginOnFileThread(
-    const GURL& origin_url) {
-  DCHECK(task_runners_->file_task_runner()->RunsTasksOnCurrentThread());
-  DCHECK(sandbox_provider());
-  DCHECK(origin_url == origin_url.GetOrigin());
-
-  // Delete temporary and persistent data.
-  return
-      (sandbox_provider()->DeleteOriginDataOnFileThread(
-          this, quota_manager_proxy(), origin_url,
-          kFileSystemTypeTemporary) ==
-       base::PLATFORM_FILE_OK) &&
-      (sandbox_provider()->DeleteOriginDataOnFileThread(
-          this, quota_manager_proxy(), origin_url,
-          kFileSystemTypePersistent) ==
-       base::PLATFORM_FILE_OK) &&
-      (sandbox_provider()->DeleteOriginDataOnFileThread(
-          this, quota_manager_proxy(), origin_url,
-          kFileSystemTypeSyncable) ==
-       base::PLATFORM_FILE_OK);
-}
-
-FileSystemQuotaUtil*
-FileSystemContext::GetQuotaUtil(FileSystemType type) const {
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  if (!mount_point_provider)
-    return NULL;
-  return mount_point_provider->GetQuotaUtil();
-}
-
-AsyncFileUtil* FileSystemContext::GetAsyncFileUtil(
-    FileSystemType type) const {
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  if (!mount_point_provider)
-    return NULL;
-  return mount_point_provider->GetAsyncFileUtil(type);
-}
-
-CopyOrMoveFileValidatorFactory*
-FileSystemContext::GetCopyOrMoveFileValidatorFactory(
-    FileSystemType type, base::PlatformFileError* error_code) const {
-  DCHECK(error_code);
-  *error_code = base::PLATFORM_FILE_OK;
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  if (!mount_point_provider)
-    return NULL;
-  return mount_point_provider->GetCopyOrMoveFileValidatorFactory(
-      type, error_code);
-}
-
-FileSystemMountPointProvider* FileSystemContext::GetMountPointProvider(
-    FileSystemType type) const {
-  MountPointProviderMap::const_iterator found = provider_map_.find(type);
-  if (found != provider_map_.end())
-    return found->second;
-  NOTREACHED() << "Unknown filesystem type: " << type;
-  return NULL;
-}
-
-const UpdateObserverList* FileSystemContext::GetUpdateObservers(
-    FileSystemType type) const {
-  // Currently update observer is only available in SandboxMountPointProvider
-  // and TestMountPointProvider.
-  // TODO(kinuko): Probably GetUpdateObservers() virtual method should be
-  // added to FileSystemMountPointProvider interface and be called like
-  // other GetFoo() methods do.
-  if (SandboxMountPointProvider::IsSandboxType(type))
-    return sandbox_provider()->GetUpdateObservers(type);
-  if (type != kFileSystemTypeTest)
-    return NULL;
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  return static_cast<TestMountPointProvider*>(
-      mount_point_provider)->GetUpdateObservers(type);
-}
-
-SandboxMountPointProvider*
-FileSystemContext::sandbox_provider() const {
-  return sandbox_provider_.get();
-}
-
-ExternalFileSystemMountPointProvider*
-FileSystemContext::external_provider() const {
-  return external_provider_.get();
-}
-
-void FileSystemContext::OpenFileSystem(
-    const GURL& origin_url,
-    FileSystemType type,
-    bool create,
-    const OpenFileSystemCallback& callback) {
-  DCHECK(!callback.is_null());
-
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  if (!mount_point_provider) {
-    callback.Run(base::PLATFORM_FILE_ERROR_SECURITY, std::string(), GURL());
-    return;
-  }
-
-  GURL root_url = GetFileSystemRootURI(origin_url, type);
-  std::string name = GetFileSystemName(origin_url, type);
-
-  mount_point_provider->ValidateFileSystemRoot(
-      origin_url, type, create,
-      base::Bind(&DidOpenFileSystem, callback, root_url, name));
-}
-
-void FileSystemContext::OpenSyncableFileSystem(
-    const std::string& mount_name,
-    const GURL& origin_url,
-    FileSystemType type,
-    bool create,
-    const OpenFileSystemCallback& callback) {
-  DCHECK(!callback.is_null());
-
-  DCHECK(type == kFileSystemTypeSyncable);
-
-  GURL root_url = sync_file_system::GetSyncableFileSystemRootURI(
-      origin_url, mount_name);
-  std::string name = GetFileSystemName(origin_url, kFileSystemTypeSyncable);
-
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  DCHECK(mount_point_provider);
-  mount_point_provider->ValidateFileSystemRoot(
-      origin_url, type, create,
-      base::Bind(&DidOpenFileSystem, callback, root_url, name));
-}
-
-void FileSystemContext::DeleteFileSystem(
-    const GURL& origin_url,
-    FileSystemType type,
-    const DeleteFileSystemCallback& callback) {
-  DCHECK(origin_url == origin_url.GetOrigin());
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  if (!mount_point_provider) {
-    callback.Run(base::PLATFORM_FILE_ERROR_SECURITY);
-    return;
-  }
-
-  mount_point_provider->DeleteFileSystem(origin_url, type, this, callback);
-}
-
-FileSystemOperation* FileSystemContext::CreateFileSystemOperation(
-    const FileSystemURL& url, base::PlatformFileError* error_code) {
-  if (!url.is_valid()) {
-    if (error_code)
-      *error_code = base::PLATFORM_FILE_ERROR_INVALID_URL;
-    return NULL;
-  }
-
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(url.type());
-  if (!mount_point_provider) {
-    if (error_code)
-      *error_code = base::PLATFORM_FILE_ERROR_FAILED;
-    return NULL;
-  }
-
-  base::PlatformFileError fs_error = base::PLATFORM_FILE_OK;
-  FileSystemOperation* operation =
-      mount_point_provider->CreateFileSystemOperation(url, this, &fs_error);
-
-  if (error_code)
-    *error_code = fs_error;
-  return operation;
-}
-
-scoped_ptr<webkit_blob::FileStreamReader>
-FileSystemContext::CreateFileStreamReader(
-    const FileSystemURL& url,
-    int64 offset,
-    const base::Time& expected_modification_time) {
-  if (!url.is_valid())
-    return scoped_ptr<webkit_blob::FileStreamReader>();
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(url.type());
-  if (!mount_point_provider)
-    return scoped_ptr<webkit_blob::FileStreamReader>();
-  return mount_point_provider->CreateFileStreamReader(
-      url, offset, expected_modification_time, this);
-}
-
-scoped_ptr<FileStreamWriter> FileSystemContext::CreateFileStreamWriter(
-    const FileSystemURL& url,
-    int64 offset) {
-  if (!url.is_valid())
-    return scoped_ptr<FileStreamWriter>();
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(url.type());
-  if (!mount_point_provider)
-    return scoped_ptr<FileStreamWriter>();
-  return mount_point_provider->CreateFileStreamWriter(url, offset, this);
-}
-
-void FileSystemContext::SetLocalFileChangeTracker(
-    scoped_ptr<sync_file_system::LocalFileChangeTracker> tracker) {
-  DCHECK(!change_tracker_.get());
-  DCHECK(tracker.get());
-  change_tracker_ = tracker.Pass();
-  sandbox_provider_->AddSyncableFileUpdateObserver(
-      change_tracker_.get(),
-      task_runners_->file_task_runner());
-  sandbox_provider_->AddSyncableFileChangeObserver(
-      change_tracker_.get(),
-      task_runners_->file_task_runner());
-}
-
-void FileSystemContext::set_sync_context(
-    sync_file_system::LocalFileSyncContext* sync_context) {
-  sync_context_ = sync_context;
-}
-
-FileSystemURL FileSystemContext::CrackURL(const GURL& url) const {
-  return CrackFileSystemURL(FileSystemURL(url));
-}
-
-FileSystemURL FileSystemContext::CreateCrackedFileSystemURL(
-    const GURL& origin,
-    FileSystemType type,
-    const base::FilePath& path) const {
-  return CrackFileSystemURL(FileSystemURL(origin, type, path));
-}
-
-FileSystemContext::~FileSystemContext() {
-  task_runners_->file_task_runner()->DeleteSoon(
-      FROM_HERE, change_tracker_.release());
-}
-
-void FileSystemContext::DeleteOnCorrectThread() const {
-  if (!task_runners_->io_task_runner()->RunsTasksOnCurrentThread() &&
-      task_runners_->io_task_runner()->DeleteSoon(FROM_HERE, this)) {
-    return;
-  }
-  delete this;
-}
-
-FileSystemURL FileSystemContext::CrackFileSystemURL(
-    const FileSystemURL& url) const {
-  if (!url.is_valid())
-    return FileSystemURL();
-
-  // The returned value in case there is no crackers which can crack the url.
-  // This is valid situation for non isolated/external file systems.
-  FileSystemURL current = url;
-
-  // File system may be mounted multiple times (e.g., an isolated filesystem on
-  // top of an external filesystem). Hence cracking needs to be iterated.
-  for (;;) {
-    FileSystemURL cracked = current;
-    for (size_t i = 0; i < url_crackers_.size(); ++i) {
-      if (!url_crackers_[i]->HandlesFileSystemMountType(current.type()))
-        continue;
-      cracked = url_crackers_[i]->CrackFileSystemURL(current);
-      if (cracked.is_valid())
-        break;
-    }
-    if (cracked == current)
-      break;
-    current = cracked;
-  }
-  return current;
-}
-
-FileSystemFileUtil* FileSystemContext::GetFileUtil(
-    FileSystemType type) const {
-  FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
-  if (!mount_point_provider)
-    return NULL;
-  return mount_point_provider->GetFileUtil(type);
-}
-
-void FileSystemContext::RegisterMountPointProvider(
-    FileSystemMountPointProvider* provider) {
-  const FileSystemType mount_types[] = {
-    kFileSystemTypeTemporary,
-    kFileSystemTypePersistent,
-    kFileSystemTypeIsolated,
-    kFileSystemTypeExternal,
-  };
-  // Register mount point providers for public mount types.
-  for (size_t j = 0; j < ARRAYSIZE_UNSAFE(mount_types); ++j) {
-    if (provider->CanHandleType(mount_types[j])) {
-      const bool inserted = provider_map_.insert(
-          std::make_pair(mount_types[j], provider)).second;
-      DCHECK(inserted);
-    }
-  }
-  // Register mount point providers for internal types.
-  for (int t = kFileSystemInternalTypeEnumStart + 1;
-       t < kFileSystemInternalTypeEnumEnd; ++t) {
-    FileSystemType type = static_cast<FileSystemType>(t);
-    if (provider->CanHandleType(type)) {
-      const bool inserted = provider_map_.insert(
-          std::make_pair(type, provider)).second;
-      DCHECK(inserted);
-    }
-  }
-}
-
-}  // namespace fileapi