Move Media Galleries FileAPI code out of webkit.

webkit/fileapi/media/media_file_system_mount_point_provider.cc

-// Copyright (c) 2013 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/media/media_file_system_mount_point_provider.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/message_loop_proxy.h"
-#include "base/platform_file.h"
-#include "base/sequenced_task_runner.h"
-#include "webkit/blob/local_file_stream_reader.h"
-#include "webkit/fileapi/async_file_util_adapter.h"
-#include "webkit/fileapi/copy_or_move_file_validator.h"
-#include "webkit/fileapi/file_system_callback_dispatcher.h"
-#include "webkit/fileapi/file_system_context.h"
-#include "webkit/fileapi/file_system_file_stream_reader.h"
-#include "webkit/fileapi/file_system_operation_context.h"
-#include "webkit/fileapi/file_system_task_runners.h"
-#include "webkit/fileapi/file_system_types.h"
-#include "webkit/fileapi/file_system_util.h"
-#include "webkit/fileapi/isolated_context.h"
-#include "webkit/fileapi/isolated_file_util.h"
-#include "webkit/fileapi/local_file_stream_writer.h"
-#include "webkit/fileapi/local_file_system_operation.h"
-#include "webkit/fileapi/media/media_path_filter.h"
-#include "webkit/fileapi/media/native_media_file_util.h"
-#include "webkit/fileapi/native_file_util.h"
-
-#if defined(SUPPORT_MTP_DEVICE_FILESYSTEM)
-#include "webkit/fileapi/media/device_media_async_file_util.h"
-#endif
-
-namespace fileapi {
-
-const char MediaFileSystemMountPointProvider::kMediaPathFilterKey[] =
-    "MediaPathFilterKey";
-const char MediaFileSystemMountPointProvider::kMTPDeviceDelegateURLKey[] =
-    "MTPDeviceDelegateKey";
-
-MediaFileSystemMountPointProvider::MediaFileSystemMountPointProvider(
-    const base::FilePath& profile_path)
-    : profile_path_(profile_path),
-      media_path_filter_(new MediaPathFilter()),
-      native_media_file_util_(
-          new AsyncFileUtilAdapter(new NativeMediaFileUtil())) {
-#if defined(SUPPORT_MTP_DEVICE_FILESYSTEM)
-  // TODO(kmadhusu): Initialize |device_media_file_util_| in
-  // initialization list.
-  device_media_async_file_util_.reset(
-      DeviceMediaAsyncFileUtil::Create(profile_path_));
-#endif
-}
-
-MediaFileSystemMountPointProvider::~MediaFileSystemMountPointProvider() {
-}
-
-bool MediaFileSystemMountPointProvider::CanHandleType(
-    FileSystemType type) const {
-  switch (type) {
-    case kFileSystemTypeNativeMedia:
-    case kFileSystemTypeDeviceMedia:
-      return true;
-    default:
-      return false;
-  }
-}
-
-void MediaFileSystemMountPointProvider::ValidateFileSystemRoot(
-    const GURL& origin_url,
-    FileSystemType type,
-    bool create,
-    const ValidateFileSystemCallback& callback) {
-  // We never allow opening a new isolated FileSystem via usual OpenFileSystem.
-  base::MessageLoopProxy::current()->PostTask(
-      FROM_HERE,
-      base::Bind(callback, base::PLATFORM_FILE_ERROR_SECURITY));
-}
-
-base::FilePath
-MediaFileSystemMountPointProvider::GetFileSystemRootPathOnFileThread(
-    const FileSystemURL& url,
-    bool create) {
-  // This is not supposed to be used.
-  NOTREACHED();
-  return base::FilePath();
-}
-
-FileSystemFileUtil* MediaFileSystemMountPointProvider::GetFileUtil(
-    FileSystemType type) {
-  switch (type) {
-    case kFileSystemTypeNativeMedia:
-      return native_media_file_util_->sync_file_util();
-    default:
-      NOTREACHED();
-  }
-  return NULL;
-}
-
-AsyncFileUtil* MediaFileSystemMountPointProvider::GetAsyncFileUtil(
-    FileSystemType type) {
-  switch (type) {
-    case kFileSystemTypeNativeMedia:
-      return native_media_file_util_.get();
-    case kFileSystemTypeDeviceMedia:
-#if defined(SUPPORT_MTP_DEVICE_FILESYSTEM)
-      return device_media_async_file_util_.get();
-#endif
-    default:
-      NOTREACHED();
-  }
-  return NULL;
-}
-
-CopyOrMoveFileValidatorFactory*
-MediaFileSystemMountPointProvider::GetCopyOrMoveFileValidatorFactory(
-    FileSystemType type, base::PlatformFileError* error_code) {
-  DCHECK(error_code);
-  *error_code = base::PLATFORM_FILE_OK;
-  switch (type) {
-    case kFileSystemTypeNativeMedia:
-    case kFileSystemTypeDeviceMedia:
-      if (!media_copy_or_move_file_validator_factory_) {
-        *error_code = base::PLATFORM_FILE_ERROR_SECURITY;
-        return NULL;
-      }
-      return media_copy_or_move_file_validator_factory_.get();
-    default:
-      NOTREACHED();
-  }
-  return NULL;
-}
-
-void
-MediaFileSystemMountPointProvider::InitializeCopyOrMoveFileValidatorFactory(
-    FileSystemType type,
-    scoped_ptr<CopyOrMoveFileValidatorFactory> factory) {
-  switch (type) {
-    case kFileSystemTypeNativeMedia:
-    case kFileSystemTypeDeviceMedia:
-      if (!media_copy_or_move_file_validator_factory_)
-        media_copy_or_move_file_validator_factory_.reset(factory.release());
-      break;
-    default:
-      NOTREACHED();
-  }
-}
-
-FilePermissionPolicy MediaFileSystemMountPointProvider::GetPermissionPolicy(
-    const FileSystemURL& url, int permissions) const {
-  // Access to media file systems should be checked using per-filesystem
-  // access permission.
-  return FILE_PERMISSION_USE_FILESYSTEM_PERMISSION;
-}
-
-FileSystemOperation*
-MediaFileSystemMountPointProvider::CreateFileSystemOperation(
-    const FileSystemURL& url,
-    FileSystemContext* context,
-    base::PlatformFileError* error_code) const {
-  scoped_ptr<FileSystemOperationContext> operation_context(
-      new FileSystemOperationContext(
-          context, context->task_runners()->media_task_runner()));
-
-  operation_context->SetUserValue(kMediaPathFilterKey,
-                                  media_path_filter_.get());
-#if defined(SUPPORT_MTP_DEVICE_FILESYSTEM)
-  if (url.type() == kFileSystemTypeDeviceMedia) {
-    operation_context->SetUserValue(kMTPDeviceDelegateURLKey,
-                                    url.filesystem_id());
-  }
-#endif
-
-  return new LocalFileSystemOperation(context, operation_context.Pass());
-}
-
-scoped_ptr<webkit_blob::FileStreamReader>
-MediaFileSystemMountPointProvider::CreateFileStreamReader(
-    const FileSystemURL& url,
-    int64 offset,
-    const base::Time& expected_modification_time,
-    FileSystemContext* context) const {
-  return scoped_ptr<webkit_blob::FileStreamReader>(
-      new webkit_blob::LocalFileStreamReader(
-          context->task_runners()->file_task_runner(),
-          url.path(), offset, expected_modification_time));
-}
-
-scoped_ptr<FileStreamWriter>
-MediaFileSystemMountPointProvider::CreateFileStreamWriter(
-    const FileSystemURL& url,
-    int64 offset,
-    FileSystemContext* context) const {
-  return scoped_ptr<FileStreamWriter>(
-      new LocalFileStreamWriter(url.path(), offset));
-}
-
-FileSystemQuotaUtil* MediaFileSystemMountPointProvider::GetQuotaUtil() {
-  // No quota support.
-  return NULL;
-}
-
-void MediaFileSystemMountPointProvider::DeleteFileSystem(
-    const GURL& origin_url,
-    FileSystemType type,
-    FileSystemContext* context,
-    const DeleteFileSystemCallback& callback) {
-  NOTREACHED();
-  callback.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
-}
-
-}  // namespace fileapi