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      1 // Copyright (c) 2012 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 #ifndef REMOTING_HOST_CONFIG_FILE_WATCHER_H_
      6 #define REMOTING_HOST_CONFIG_FILE_WATCHER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/files/file_path.h"
     11 #include "base/memory/ref_counted.h"
     12 #include "remoting/host/config_watcher.h"
     13 
     14 namespace base {
     15 class SingleThreadTaskRunner;
     16 }  // namespace base
     17 
     18 namespace remoting {
     19 
     20 extern const char kHostConfigSwitchName[];
     21 extern const base::FilePath::CharType kDefaultHostConfigFile[];
     22 
     23 class ConfigFileWatcherImpl;
     24 
     25 class ConfigFileWatcher : public ConfigWatcher {
     26  public:
     27   // Creates a configuration file watcher that lives at the |io_task_runner|
     28   // thread but posts config file updates on on |main_task_runner|.
     29   ConfigFileWatcher(
     30       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     31       scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
     32       const base::FilePath& config_path);
     33   virtual ~ConfigFileWatcher();
     34 
     35   // Inherited from ConfigWatcher.
     36   virtual void Watch(Delegate* delegate) OVERRIDE;
     37 
     38  private:
     39   scoped_refptr<ConfigFileWatcherImpl> impl_;
     40 
     41   DISALLOW_COPY_AND_ASSIGN(ConfigFileWatcher);
     42 };
     43 
     44 }  // namespace remoting
     45 
     46 #endif  // REMOTING_HOST_CONFIG_FILE_WATCHER_H_
     47