Adding a TouchFile() operation.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3417018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60710 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 31 insertions, 1 deletions

diff --git a/webkit/fileapi/file_system_operation.cc b/webkit/fileapi/file_system_operation.cc
index ffe5e5f..140ade4 100644
--- a/webkit/fileapi/file_system_operation.cc
+++ b/webkit/fileapi/file_system_operation.cc
@@ -4,6 +4,7 @@
 
 #include "webkit/fileapi/file_system_operation.h"
 
+#include "base/time.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_callback_dispatcher.h"
 
@@ -126,7 +127,6 @@ void FileSystemOperation::Remove(const FilePath& path) {
       &FileSystemOperation::DidFinishFileOperation));
 }
 
-
 void FileSystemOperation::Write(
     const FilePath&,
     const GURL&,
@@ -152,6 +152,19 @@ void FileSystemOperation::Truncate(const FilePath& path, int64 length) {
   NOTREACHED();
 }
 
+void FileSystemOperation::TouchFile(const FilePath& path,
+                                    const base::Time& last_access_time,
+                                    const base::Time& last_modified_time) {
+#ifndef NDEBUG
+  DCHECK(!operation_pending_);
+  operation_pending_ = true;
+#endif
+
+  base::FileUtilProxy::Touch(
+      proxy_, path, last_access_time, last_modified_time,
+      callback_factory_.NewCallback(&FileSystemOperation::DidTouchFile));
+}
+
 void FileSystemOperation::Cancel() {
 #ifndef NDEBUG
   DCHECK(operation_pending_);
@@ -242,4 +255,11 @@ void FileSystemOperation::DidWrite(
     dispatcher_->DidFail(rv);
 }
 
+void FileSystemOperation::DidTouchFile(base::PlatformFileError rv) {
+  if (rv == base::PLATFORM_FILE_OK)
+    dispatcher_->DidSucceed();
+  else
+    dispatcher_->DidFail(rv);
+}
+
 }  // namespace fileapi
diff --git a/webkit/fileapi/file_system_operation.h b/webkit/fileapi/file_system_operation.h
index e1058a3..1107303 100644
--- a/webkit/fileapi/file_system_operation.h
+++ b/webkit/fileapi/file_system_operation.h
@@ -15,6 +15,10 @@
 #include "base/scoped_callback_factory.h"
 #include "base/scoped_ptr.h"
 
+namespace base {
+class Time;
+}
+
 class GURL;
 
 namespace fileapi {
@@ -62,6 +66,10 @@ class FileSystemOperation {
 
   void Truncate(const FilePath& path, int64 length);
 
+  void TouchFile(const FilePath& path,
+                 const base::Time& last_access_time,
+                 const base::Time& last_modified_time);
+
   // Used to attempt to cancel the current operation.  This currently does
   // nothing for any operation other than Write().
   void Cancel();
@@ -100,6 +108,8 @@ class FileSystemOperation {
       int64 bytes,
       bool complete);
 
+  void DidTouchFile(base::PlatformFileError rv);
+
   scoped_ptr<FileSystemCallbackDispatcher> dispatcher_;
 
   base::ScopedCallbackFactory<FileSystemOperation> callback_factory_;