Split Media-related code from IsolatedMountPointProvider

webkit/fileapi/media/media_file_system_mount_point_provider.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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/isolated_mount_point_provider.h"
+#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"
@@ skipping 13 matching lines @@
 #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 IsolatedMountPointProvider::kMediaPathFilterKey[] =
+const char MediaFileSystemMountPointProvider::kMediaPathFilterKey[] =
     "MediaPathFilterKey";
-const char IsolatedMountPointProvider::kMTPDeviceDelegateURLKey[] =
+const char MediaFileSystemMountPointProvider::kMTPDeviceDelegateURLKey[] =
     "MTPDeviceDelegateKey";
 
-IsolatedMountPointProvider::IsolatedMountPointProvider(
+MediaFileSystemMountPointProvider::MediaFileSystemMountPointProvider(
     const base::FilePath& profile_path)
     : profile_path_(profile_path),
       media_path_filter_(new MediaPathFilter()),
-      isolated_file_util_(new AsyncFileUtilAdapter(new IsolatedFileUtil())),
-      dragged_file_util_(new AsyncFileUtilAdapter(new DraggedFileUtil())),
       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
 }
 
-IsolatedMountPointProvider::~IsolatedMountPointProvider() {
+MediaFileSystemMountPointProvider::~MediaFileSystemMountPointProvider() {
 }
 
-bool IsolatedMountPointProvider::CanHandleType(FileSystemType type) const {
+bool MediaFileSystemMountPointProvider::CanHandleType(
+    FileSystemType type) const {
   switch (type) {
-    case kFileSystemTypeIsolated:
-    case kFileSystemTypeDragged:
     case kFileSystemTypeNativeMedia:
     case kFileSystemTypeDeviceMedia:
       return true;
-#if !defined(OS_CHROMEOS)
-    case kFileSystemTypeNativeLocal:
-    case kFileSystemTypeNativeForPlatformApp:
-      return true;
-#endif
     default:
       return false;
   }
 }
 
-void IsolatedMountPointProvider::ValidateFileSystemRoot(
+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 IsolatedMountPointProvider::GetFileSystemRootPathOnFileThread(
+base::FilePath
+MediaFileSystemMountPointProvider::GetFileSystemRootPathOnFileThread(
     const FileSystemURL& url,
     bool create) {
   // This is not supposed to be used.
   NOTREACHED();
   return base::FilePath();
 }
 
-FileSystemFileUtil* IsolatedMountPointProvider::GetFileUtil(
+FileSystemFileUtil* MediaFileSystemMountPointProvider::GetFileUtil(
     FileSystemType type) {
   switch (type) {
-    case kFileSystemTypeNativeLocal:
-      return isolated_file_util_->sync_file_util();
-    case kFileSystemTypeDragged:
-      return dragged_file_util_->sync_file_util();
     case kFileSystemTypeNativeMedia:
       return native_media_file_util_->sync_file_util();
     default:
       NOTREACHED();
   }
   return NULL;
 }
 
-AsyncFileUtil* IsolatedMountPointProvider::GetAsyncFileUtil(
+AsyncFileUtil* MediaFileSystemMountPointProvider::GetAsyncFileUtil(
     FileSystemType type) {
   switch (type) {
-    case kFileSystemTypeNativeLocal:
-      return isolated_file_util_.get();
-    case kFileSystemTypeDragged:
-      return dragged_file_util_.get();
     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*
-IsolatedMountPointProvider::GetCopyOrMoveFileValidatorFactory(
+MediaFileSystemMountPointProvider::GetCopyOrMoveFileValidatorFactory(
     FileSystemType type, base::PlatformFileError* error_code) {
   DCHECK(error_code);
   *error_code = base::PLATFORM_FILE_OK;
   switch (type) {
-    case kFileSystemTypeNativeLocal:
-    case kFileSystemTypeDragged:
-      return NULL;
     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 IsolatedMountPointProvider::InitializeCopyOrMoveFileValidatorFactory(
+void
+MediaFileSystemMountPointProvider::InitializeCopyOrMoveFileValidatorFactory(
     FileSystemType type,
     scoped_ptr<CopyOrMoveFileValidatorFactory> factory) {
   switch (type) {
-    case kFileSystemTypeNativeLocal:
-    case kFileSystemTypeDragged:
-      DCHECK(factory == NULL);
-      break;
     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 IsolatedMountPointProvider::GetPermissionPolicy(
+FilePermissionPolicy MediaFileSystemMountPointProvider::GetPermissionPolicy(
     const FileSystemURL& url, int permissions) const {
-  if (url.type() == kFileSystemTypeDragged && url.path().empty()) {
-    // The root directory of the dragged filesystem must be always read-only.
-    if (permissions & ~fileapi::kReadFilePermissions)
-      return FILE_PERMISSION_ALWAYS_DENY;
-  }
-  // Access to isolated file systems should be checked using per-filesystem
+  // Access to media file systems should be checked using per-filesystem
   // access permission.
   return FILE_PERMISSION_USE_FILESYSTEM_PERMISSION;
 }
 
-FileSystemOperation* IsolatedMountPointProvider::CreateFileSystemOperation(
+FileSystemOperation*
+MediaFileSystemMountPointProvider::CreateFileSystemOperation(
     const FileSystemURL& url,
     FileSystemContext* context,
     base::PlatformFileError* error_code) const {
-  if (url.type() != kFileSystemTypeNativeMedia &&
-      url.type() != kFileSystemTypeDeviceMedia) {
-    return new LocalFileSystemOperation(
-        context, make_scoped_ptr(new FileSystemOperationContext(context)));
-  }
-
-  // For media filesystems.
   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>
-IsolatedMountPointProvider::CreateFileStreamReader(
+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> IsolatedMountPointProvider::CreateFileStreamWriter(
+scoped_ptr<FileStreamWriter>
+MediaFileSystemMountPointProvider::CreateFileStreamWriter(
     const FileSystemURL& url,
     int64 offset,
     FileSystemContext* context) const {
   return scoped_ptr<FileStreamWriter>(
       new LocalFileStreamWriter(url.path(), offset));
 }
 
-FileSystemQuotaUtil* IsolatedMountPointProvider::GetQuotaUtil() {
+FileSystemQuotaUtil* MediaFileSystemMountPointProvider::GetQuotaUtil() {
   // No quota support.
   return NULL;
 }
 
-void IsolatedMountPointProvider::DeleteFileSystem(
+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