chrome/browser/chromeos/file_system_provider/operations/get_metadata.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_GET_METADATA_H_
   6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_GET_METADATA_H_
   7
   8 #include "base/files/file.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chrome/browser/chromeos/file_system_provider/operations/operation.h"
  11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
  12 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
  13 #include "chrome/browser/chromeos/file_system_provider/request_value.h"
  14 #include "chrome/common/extensions/api/file_system_provider_internal.h"
  15
  16 namespace base {
  17 class FilePath;
  18 }  // namespace base
  19
  20 namespace extensions {
  21 class EventRouter;
  22 }  // namespace extensions
  23
  24 namespace chromeos {
  25 namespace file_system_provider {
  26 namespace operations {
  27
  28 // Validates the metadata. If it's incorrect (eg. incorrect characters in the
  29 // name or empty for non-root), then returns false.
  30 bool ValidateIDLEntryMetadata(
  31     const extensions::api::file_system_provider::EntryMetadata& metadata,
  32     bool root_entry);
  33
  34 // Checks whether the passed name is valid or not.
  35 bool ValidateName(const std::string& name, bool root_entry);
  36
  37 // Bridge between fileapi get metadata operation and providing extension's get
  38 // metadata request. Created per request.
  39 class GetMetadata : public Operation {
  40  public:
  41   GetMetadata(extensions::EventRouter* event_router,
  42               const ProvidedFileSystemInfo& file_system_info,
  43               const base::FilePath& entry_path,
  44               ProvidedFileSystemInterface::MetadataFieldMask fields,
  45               const ProvidedFileSystemInterface::GetMetadataCallback& callback);
  46   ~GetMetadata() override;
  47
  48   // Operation overrides.
  49   bool Execute(int request_id) override;
  50   void OnSuccess(int request_id,
  51                  scoped_ptr<RequestValue> result,
  52                  bool has_more) override;
  53   void OnError(int request_id,
  54                scoped_ptr<RequestValue> result,
  55                base::File::Error error) override;
  56
  57  private:
  58   base::FilePath entry_path_;
  59   ProvidedFileSystemInterface::MetadataFieldMask fields_;
  60   const ProvidedFileSystemInterface::GetMetadataCallback callback_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(GetMetadata);
  63 };
  64
  65 }  // namespace operations
  66 }  // namespace file_system_provider
  67 }  // namespace chromeos
  68
  69 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_GET_METADATA_H_