src/extensions/browser/api/hid/hid_connection_resource.h

   1 // Copyright 2014 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 EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_
   6 #define EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "device/hid/hid_connection.h"
  13 #include "extensions/browser/api/api_resource.h"
  14 #include "extensions/browser/api/api_resource_manager.h"
  15
  16 namespace device {
  17 class HidConnection;
  18 }
  19
  20 namespace extensions {
  21
  22 class HidConnectionResource : public ApiResource {
  23  public:
  24 #if defined(OS_MACOSX)
  25   // Migration from FILE thread to UI thread. OS X gets it first.
  26   static const content::BrowserThread::ID kThreadId =
  27       content::BrowserThread::UI;
  28 #else
  29   // TODO(reillyg): Migrate Linux/CrOS and Windows as well.
  30   static const content::BrowserThread::ID kThreadId =
  31       content::BrowserThread::FILE;
  32 #endif
  33
  34   HidConnectionResource(const std::string& owner_extension_id,
  35                         scoped_refptr<device::HidConnection> connection);
  36   ~HidConnectionResource() override;
  37
  38   scoped_refptr<device::HidConnection> connection() const {
  39     return connection_;
  40   }
  41
  42   bool IsPersistent() const override;
  43
  44   static const char* service_name() { return "HidConnectionResourceManager"; }
  45
  46  private:
  47   scoped_refptr<device::HidConnection> connection_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(HidConnectionResource);
  50 };
  51
  52 }  // namespace extensions
  53
  54 #endif  // EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_