This is the IPC and bits of the browser backend for FileWriter. The rest of

it's too tied together to include a small amount; this is the most-significant
chunk that I could put up without making too big a changelist.

The backend isn't complete, but you can see where it's going from here.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3440021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60396 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 16 insertions, 0 deletions

diff --git a/webkit/fileapi/file_system_operation.h b/webkit/fileapi/file_system_operation.h
index 5df4d4d..e1058a3 100644
--- a/webkit/fileapi/file_system_operation.h
+++ b/webkit/fileapi/file_system_operation.h
@@ -15,6 +15,8 @@
 #include "base/scoped_callback_factory.h"
 #include "base/scoped_ptr.h"
 
+class GURL;
+
 namespace fileapi {
 
 class FileSystemCallbackDispatcher;
@@ -55,6 +57,15 @@ class FileSystemOperation {
 
   void Remove(const FilePath& path);
 
+  void Write(
+      const FilePath& path, const GURL& blob_url, int64 offset);
+
+  void Truncate(const FilePath& path, int64 length);
+
+  // Used to attempt to cancel the current operation.  This currently does
+  // nothing for any operation other than Write().
+  void Cancel();
+
  protected:
   // Proxy for calling file_util_proxy methods.
   scoped_refptr<base::MessageLoopProxy> proxy_;
@@ -84,6 +95,11 @@ class FileSystemOperation {
       base::PlatformFileError rv,
       const std::vector<base::file_util_proxy::Entry>& entries);
 
+  void DidWrite(
+      base::PlatformFileError rv,
+      int64 bytes,
+      bool complete);
+
   scoped_ptr<FileSystemCallbackDispatcher> dispatcher_;
 
   base::ScopedCallbackFactory<FileSystemOperation> callback_factory_;