text: // 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 CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_
  #define CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_
  
  #include "base/memory/ref_counted.h"
  #include "base/memory/weak_ptr.h"
  #include "chrome/browser/extensions/chrome_extension_function.h"
  
  namespace device {
  
  class BluetoothAdapter;
  
  }  // namespace device
  
  namespace extensions {
  
  namespace api {
  
  // Base class for bluetooth extension functions. This class initializes
  // bluetooth adapter and calls DoWork() implemented by individual bluetooth
  // extension functions.
  class BluetoothExtensionFunction : public ChromeAsyncExtensionFunction {
   public:
    BluetoothExtensionFunction();
  
   protected:
    virtual ~BluetoothExtensionFunction();
  
    // ExtensionFunction:
    virtual bool RunImpl() OVERRIDE;
  
   private:
    void RunOnAdapterReady(scoped_refptr<device::BluetoothAdapter> adapter);
  
    // Implemented by individual bluetooth extension functions, called
    // automatically once |adapter| has been initialized.
    virtual bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) = 0;
  
    DISALLOW_COPY_AND_ASSIGN(BluetoothExtensionFunction);
  };
  
  }  // namespace api
  
  }  // namespace extensions
  
  #endif  // CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_
  