Upstream version 9.38.198.0

[platform/framework/web/crosswalk.git] / src / chrome / browser / chromeos / file_system_provider / provided_file_system_interface.h

diff --git a/src/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h b/src/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
index 99c5982..82813ff 100644 (file)
--- a/src/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
+++ b/src/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INTERFACE_H_
 
+#include <string>
+
 #include "base/callback.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
@@ -13,6 +15,10 @@
 
 class EventRouter;
 
+namespace base {
+class Time;
+}  // namespace base
+
 namespace net {
 class IOBuffer;
 }  // namespace net
@@ -23,6 +29,19 @@ namespace file_system_provider {
 class ProvidedFileSystemInfo;
 class RequestManager;
 
+// Represents metadata for either a file or a directory. Returned by GetMetadata
+// method in ProvidedFileSystemInterface.
+struct EntryMetadata {
+  EntryMetadata();
+  ~EntryMetadata();
+
+  bool is_directory;
+  std::string name;
+  int64 size;
+  base::Time modification_time;
+  std::string mime_type;
+};
+
 // Interface for a provided file system. Acts as a proxy between providers
 // and clients.
 // TODO(mtomasz): Add more methods once implemented.
@@ -35,6 +54,9 @@ class ProvidedFileSystemInterface {
       void(int chunk_length, bool has_more, base::File::Error result)>
       ReadChunkReceivedCallback;
 
+  typedef base::Callback<void(const EntryMetadata& entry_metadata,
+                              base::File::Error result)> GetMetadataCallback;
+
   // Mode of opening a file. Used by OpenFile().
   enum OpenFileMode { OPEN_FILE_MODE_READ, OPEN_FILE_MODE_WRITE };
 
@@ -47,9 +69,8 @@ class ProvidedFileSystemInterface {
 
   // Requests metadata of the passed |entry_path|. It can be either a file
   // or a directory.
-  virtual void GetMetadata(
-      const base::FilePath& entry_path,
-      const fileapi::AsyncFileUtil::GetFileInfoCallback& callback) = 0;
+  virtual void GetMetadata(const base::FilePath& entry_path,
+                           const GetMetadataCallback& callback) = 0;
 
   // Requests enumerating entries from the passed |directory_path|. The callback
   // can be called multiple times until |has_more| is set to false.
@@ -57,11 +78,10 @@ class ProvidedFileSystemInterface {
       const base::FilePath& directory_path,
       const fileapi::AsyncFileUtil::ReadDirectoryCallback& callback) = 0;
 
-  // Requests opening a file at |file_path|. If |create| is set to true, it will
-  // create a file and return success in case it didn't exist.
+  // Requests opening a file at |file_path|. If the file doesn't exist, then the
+  // operation will fail.
   virtual void OpenFile(const base::FilePath& file_path,
                         OpenFileMode mode,
-                        bool create,
                         const OpenFileCallback& callback) = 0;
 
   // Requests closing a file, previously opened with OpenFile() as a file with
@@ -80,6 +100,56 @@ class ProvidedFileSystemInterface {
                         int length,
                         const ReadChunkReceivedCallback& callback) = 0;
 
+  // Requests creating a directory. If |recursive| is passed, then all non
+  // existing directories on the path will be created. If |exclusive| is true,
+  // then creating the directory will fail, if it already exists.
+  virtual void CreateDirectory(
+      const base::FilePath& directory_path,
+      bool exclusive,
+      bool recursive,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
+  // Requests creating a file. If the entry already exists, then the
+  // FILE_ERROR_EXISTS error must be returned.
+  virtual void CreateFile(
+      const base::FilePath& file_path,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
+  // Requests deleting a directory. If |recursive| is passed and the entry is
+  // a directory, then all contents of it (recursively) will be deleted too.
+  virtual void DeleteEntry(
+      const base::FilePath& entry_path,
+      bool recursive,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
+  // Requests copying an entry (recursively in case of a directory) within the
+  // same file system.
+  virtual void CopyEntry(
+      const base::FilePath& source_path,
+      const base::FilePath& target_path,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
+  // Requests moving an entry (recursively in case of a directory) within the
+  // same file system.
+  virtual void MoveEntry(
+      const base::FilePath& source_path,
+      const base::FilePath& target_path,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
+  // Requests truncating a file to the desired length.
+  virtual void Truncate(
+      const base::FilePath& file_path,
+      int64 length,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
+  // Requests writing to a file previously opened with |file_handle|.
+  virtual void WriteFile(
+      int file_handle,
+      net::IOBuffer* buffer,
+      int64 offset,
+      int length,
+      const fileapi::AsyncFileUtil::StatusCallback& callback) = 0;
+
   // Returns a provided file system info for this file system.
   virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const = 0;