base/files/file_path_watcher.cc

   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 namespace base {
  14
  15 FilePathWatcher::~FilePathWatcher() {
  16   impl_->Cancel();
  17 }
  18
  19 // static
  20 void FilePathWatcher::CancelWatch(
  21     const scoped_refptr<PlatformDelegate>& delegate) {
  22   delegate->CancelOnMessageLoopThread();
  23 }
  24
  25 FilePathWatcher::PlatformDelegate::PlatformDelegate(): cancelled_(false) {
  26 }
  27
  28 FilePathWatcher::PlatformDelegate::~PlatformDelegate() {
  29   DCHECK(is_cancelled());
  30 }
  31
  32 bool FilePathWatcher::Watch(const FilePath& path,
  33                             bool recursive,
  34                             const Callback& callback) {
  35   DCHECK(path.IsAbsolute());
  36   return impl_->Watch(path, recursive, callback);
  37 }
  38
  39 }  // namespace base