1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Cross platform methods for FilePathWatcher. See the various platform 6 // specific implementation files, too. 7 8 #include "base/files/file_path_watcher.h" 9 10 #include "base/logging.h" 11 #include "base/message_loop/message_loop.h" 12 13 #if defined(OS_MACOSX) && !defined(OS_IOS) 14 #include "base/mac/mac_util.h" 15 #endif 16 17 namespace base { 18 ~FilePathWatcher()19FilePathWatcher::~FilePathWatcher() { 20 impl_->Cancel(); 21 } 22 23 // static CancelWatch(const scoped_refptr<PlatformDelegate> & delegate)24void FilePathWatcher::CancelWatch( 25 const scoped_refptr<PlatformDelegate>& delegate) { 26 delegate->CancelOnMessageLoopThread(); 27 } 28 29 // static RecursiveWatchAvailable()30bool FilePathWatcher::RecursiveWatchAvailable() { 31 #if defined(OS_MACOSX) && !defined(OS_IOS) 32 // FSEvents isn't available on iOS and is broken on OSX 10.6 and earlier. 33 // See http://crbug.com/54822#c31 34 return mac::IsOSLionOrLater(); 35 #elif defined(OS_WIN) || defined(OS_LINUX) 36 return true; 37 #else 38 return false; 39 #endif 40 } 41 PlatformDelegate()42FilePathWatcher::PlatformDelegate::PlatformDelegate(): cancelled_(false) { 43 } 44 ~PlatformDelegate()45FilePathWatcher::PlatformDelegate::~PlatformDelegate() { 46 DCHECK(is_cancelled()); 47 } 48 Watch(const FilePath & path,bool recursive,const Callback & callback)49bool FilePathWatcher::Watch(const FilePath& path, 50 bool recursive, 51 const Callback& callback) { 52 DCHECK(path.IsAbsolute()); 53 return impl_->Watch(path, recursive, callback); 54 } 55 56 } // namespace base 57