[Blink-FileAPI] Add the notification of update observer.

storage/browser/fileapi/remove_operation_delegate.cc

 // 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 "storage/browser/fileapi/remove_operation_delegate.h"
 
 #include "base/bind.h"
+#include "storage/browser/fileapi/file_observers.h"
 #include "storage/browser/fileapi/file_system_context.h"
 #include "storage/browser/fileapi/file_system_operation_runner.h"
 
 namespace storage {
 
 RemoveOperationDelegate::RemoveOperationDelegate(
     FileSystemContext* file_system_context,
     const FileSystemURL& url,
     const StatusCallback& callback)
     : RecursiveOperationDelegate(file_system_context),
       url_(url),
       callback_(callback),
       weak_factory_(this) {
 }
 
 RemoveOperationDelegate::~RemoveOperationDelegate() {}
 
 void RemoveOperationDelegate::Run() {
+  NotifyOnStartUpdate(url_);

[tzik, 2014/09/17 04:10:19]

ditto

[iseki, 2014/09/17 06:21:45]

Done.

   operation_runner()->RemoveFile(url_, base::Bind(
       &RemoveOperationDelegate::DidTryRemoveFile, weak_factory_.GetWeakPtr()));
 }
 
 void RemoveOperationDelegate::RunRecursively() {
   StartRecursiveOperation(url_, callback_);
 }
 
 void RemoveOperationDelegate::ProcessFile(const FileSystemURL& url,
                                           const StatusCallback& callback) {
+  NotifyOnStartUpdate(url);
   operation_runner()->RemoveFile(
       url,
       base::Bind(&RemoveOperationDelegate::DidRemoveFile,
-                 weak_factory_.GetWeakPtr(), callback));
+                 weak_factory_.GetWeakPtr(),
+                 url,
+                 callback));
 }
 
 void RemoveOperationDelegate::ProcessDirectory(const FileSystemURL& url,
                                                const StatusCallback& callback) {
   callback.Run(base::File::FILE_OK);
 }
 
 void RemoveOperationDelegate::PostProcessDirectory(
     const FileSystemURL& url, const StatusCallback& callback) {
+  NotifyOnStartUpdate(url);

[tzik, 2014/09/17 05:03:06]

ditto

[iseki, 2014/09/17 06:21:45]

Done.

   operation_runner()->RemoveDirectory(url, callback);
 }
 
 void RemoveOperationDelegate::DidTryRemoveFile(base::File::Error error) {
   if (error != base::File::FILE_ERROR_NOT_A_FILE &&
       error != base::File::FILE_ERROR_SECURITY) {
+    NotifyOnEndUpdate(url_);

[tzik, 2014/09/17 05:03:06]

ditto

[iseki, 2014/09/17 06:21:45]

Done.

     callback_.Run(error);
     return;
   }
   operation_runner()->RemoveDirectory(
       url_,
       base::Bind(&RemoveOperationDelegate::DidTryRemoveDirectory,
                  weak_factory_.GetWeakPtr(), error));
 }
 
 void RemoveOperationDelegate::DidTryRemoveDirectory(
     base::File::Error remove_file_error,
     base::File::Error remove_directory_error) {
+  NotifyOnEndUpdate(url_);

[tzik, 2014/09/17 05:03:06]

ditto

[iseki, 2014/09/17 06:21:45]

Done.

   callback_.Run(
       remove_directory_error == base::File::FILE_ERROR_NOT_A_DIRECTORY ?
       remove_file_error :
       remove_directory_error);
 }
 
-void RemoveOperationDelegate::DidRemoveFile(const StatusCallback& callback,
+void RemoveOperationDelegate::DidRemoveFile(const FileSystemURL& url,
+                                            const StatusCallback& callback,
                                             base::File::Error error) {
+  NotifyOnEndUpdate(url);
   if (error == base::File::FILE_ERROR_NOT_FOUND) {
     callback.Run(base::File::FILE_OK);
     return;
   }
   callback.Run(error);
 }
 
+void RemoveOperationDelegate::NotifyOnStartUpdate(const FileSystemURL& url) {
+  if (file_system_context()->GetUpdateObservers(url.type())) {
+    file_system_context()->GetUpdateObservers(url.type())->Notify(
+        &FileUpdateObserver::OnStartUpdate, MakeTuple(url));
+  }
+}
+
+void RemoveOperationDelegate::NotifyOnEndUpdate(const FileSystemURL& url) {
+  if (file_system_context()->GetUpdateObservers(url.type())) {
+    file_system_context()->GetUpdateObservers(url.type())->Notify(
+        &FileUpdateObserver::OnEndUpdate, MakeTuple(url));
+  }
+}
+
 }  // namespace storage