content/public/browser/pepper_flash_settings_helper.h

   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 CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_
   6 #define CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "content/common/content_export.h"
  11
  12 namespace base {
  13 class FilePath;
  14 }
  15
  16 namespace IPC {
  17 struct ChannelHandle;
  18 }
  19
  20 namespace content {
  21
  22 // This class should only be used on the IO thread.
  23 class CONTENT_EXPORT PepperFlashSettingsHelper
  24     : public base::RefCounted<PepperFlashSettingsHelper> {
  25  public:
  26   static scoped_refptr<PepperFlashSettingsHelper> Create();
  27
  28   // Called when OpenChannelToBroker() is completed.
  29   // |success| indicates whether the channel is successfully opened to the
  30   // broker. On error, |channel_handle| is set to IPC::ChannelHandle().
  31   typedef base::Callback<void(bool /* success */,
  32                               const IPC::ChannelHandle& /* channel_handle */)>
  33       OpenChannelCallback;
  34   virtual void OpenChannelToBroker(const base::FilePath& path,
  35                                    const OpenChannelCallback& callback) = 0;
  36
  37  protected:
  38   friend class base::RefCounted<PepperFlashSettingsHelper>;
  39   virtual ~PepperFlashSettingsHelper() {}
  40 };
  41
  42 }  // namespace content
  43
  44 #endif  // CONTENT_PUBLIC_BROWSER_PEPPER_FLASH_SETTINGS_HELPER_H_