| Index: webkit/fileapi/syncable/local_file_sync_status.h
|
| diff --git a/webkit/fileapi/syncable/local_file_sync_status.h b/webkit/fileapi/syncable/local_file_sync_status.h
|
| deleted file mode 100644
|
| index 0654064b32562fc33f3790a6ae4213adb053e9c5..0000000000000000000000000000000000000000
|
| --- a/webkit/fileapi/syncable/local_file_sync_status.h
|
| +++ /dev/null
|
| @@ -1,94 +0,0 @@
|
| -// Copyright (c) 2012 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.
|
| -
|
| -#ifndef WEBKIT_FILEAPI_SYNCABLE_LOCAL_FILE_SYNC_STATUS_H_
|
| -#define WEBKIT_FILEAPI_SYNCABLE_LOCAL_FILE_SYNC_STATUS_H_
|
| -
|
| -#include <map>
|
| -#include <set>
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "base/compiler_specific.h"
|
| -#include "base/observer_list.h"
|
| -#include "base/threading/non_thread_safe.h"
|
| -#include "webkit/fileapi/file_system_url.h"
|
| -
|
| -namespace fileapi {
|
| -class FileSystemURL;
|
| -}
|
| -
|
| -namespace sync_file_system {
|
| -
|
| -// Represents local file sync status.
|
| -// This class is supposed to run only on IO thread.
|
| -//
|
| -// This class manages two important synchronization flags: writing (counter)
|
| -// and syncing (flag). Writing counter keeps track of which URL is in
|
| -// writing and syncing flag indicates which URL is in syncing.
|
| -//
|
| -// An entry can have multiple writers but sync is exclusive and cannot overwrap
|
| -// with any writes or syncs.
|
| -class WEBKIT_STORAGE_EXPORT LocalFileSyncStatus : public base::NonThreadSafe {
|
| - public:
|
| - class WEBKIT_STORAGE_EXPORT Observer {
|
| - public:
|
| - Observer() {}
|
| - virtual ~Observer() {}
|
| - virtual void OnSyncEnabled(const fileapi::FileSystemURL& url) = 0;
|
| - virtual void OnWriteEnabled(const fileapi::FileSystemURL& url) = 0;
|
| - private:
|
| - DISALLOW_COPY_AND_ASSIGN(Observer);
|
| - };
|
| -
|
| - LocalFileSyncStatus();
|
| - ~LocalFileSyncStatus();
|
| -
|
| - // Increment writing counter for |url|.
|
| - // This should not be called if the |url| is not writable.
|
| - void StartWriting(const fileapi::FileSystemURL& url);
|
| -
|
| - // Decrement writing counter for |url|.
|
| - void EndWriting(const fileapi::FileSystemURL& url);
|
| -
|
| - // Start syncing for |url| and disable writing.
|
| - // This should not be called if |url| is in syncing or in writing.
|
| - void StartSyncing(const fileapi::FileSystemURL& url);
|
| -
|
| - // Clears the syncing flag for |url| and enable writing.
|
| - void EndSyncing(const fileapi::FileSystemURL& url);
|
| -
|
| - // Returns true if the |url| or its parent or child is in writing.
|
| - bool IsWriting(const fileapi::FileSystemURL& url) const;
|
| -
|
| - // Returns true if the |url| is enabled for writing (i.e. not in syncing).
|
| - bool IsWritable(const fileapi::FileSystemURL& url) const;
|
| -
|
| - // Returns true if the |url| is enabled for syncing (i.e. neither in
|
| - // syncing nor writing).
|
| - bool IsSyncable(const fileapi::FileSystemURL& url) const;
|
| -
|
| - void AddObserver(Observer* observer);
|
| - void RemoveObserver(Observer* observer);
|
| -
|
| - private:
|
| - typedef std::map<fileapi::FileSystemURL,int64,
|
| - fileapi::FileSystemURL::Comparator> URLCountMap;
|
| -
|
| - bool IsChildOrParentWriting(const fileapi::FileSystemURL& url) const;
|
| - bool IsChildOrParentSyncing(const fileapi::FileSystemURL& url) const;
|
| -
|
| - // If this count is non-zero positive there're ongoing write operations.
|
| - URLCountMap writing_;
|
| -
|
| - // If this flag is set sync process is running on the file.
|
| - fileapi::FileSystemURLSet syncing_;
|
| -
|
| - ObserverList<Observer> observer_list_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(LocalFileSyncStatus);
|
| -};
|
| -
|
| -} // namespace sync_file_system
|
| -
|
| -#endif // WEBKIT_FILEAPI_SYNCABLE_LOCAL_FILE_SYNC_STATUS_H_
|
|
|