extensions/browser/api/system_storage/system_storage_api.h

   1 // Copyright 2013 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_SYSTEM_STORAGE_SYSTEM_STORAGE_API_H_
   6 #define EXTENSIONS_BROWSER_API_SYSTEM_STORAGE_SYSTEM_STORAGE_API_H_
   7
   8 #include "components/storage_monitor/storage_monitor.h"
   9 #include "extensions/browser/api/system_storage/storage_info_provider.h"
  10 #include "extensions/browser/extension_function.h"
  11
  12 namespace extensions {
  13
  14 // Implementation of the systeminfo.storage.get API. It is an asynchronous
  15 // call relative to browser UI thread.
  16 class SystemStorageGetInfoFunction : public AsyncExtensionFunction {
  17  public:
  18   DECLARE_EXTENSION_FUNCTION("system.storage.getInfo", SYSTEM_STORAGE_GETINFO);
  19   SystemStorageGetInfoFunction();
  20
  21  private:
  22   ~SystemStorageGetInfoFunction() override;
  23   bool RunAsync() override;
  24
  25   void OnGetStorageInfoCompleted(bool success);
  26 };
  27
  28 class SystemStorageEjectDeviceFunction : public AsyncExtensionFunction {
  29  public:
  30   DECLARE_EXTENSION_FUNCTION("system.storage.ejectDevice",
  31                              SYSTEM_STORAGE_EJECTDEVICE);
  32
  33  protected:
  34   ~SystemStorageEjectDeviceFunction() override;
  35
  36   // AsyncExtensionFunction overrides.
  37   bool RunAsync() override;
  38
  39  private:
  40   void OnStorageMonitorInit(const std::string& transient_device_id);
  41
  42   // Eject device request handler.
  43   void HandleResponse(storage_monitor::StorageMonitor::EjectStatus status);
  44 };
  45
  46 class SystemStorageGetAvailableCapacityFunction
  47     : public AsyncExtensionFunction {
  48  public:
  49   DECLARE_EXTENSION_FUNCTION("system.storage.getAvailableCapacity",
  50                              SYSTEM_STORAGE_GETAVAILABLECAPACITY);
  51   SystemStorageGetAvailableCapacityFunction();
  52
  53  private:
  54   void OnStorageMonitorInit(const std::string& transient_id);
  55   void OnQueryCompleted(const std::string& transient_id,
  56                         double available_capacity);
  57   ~SystemStorageGetAvailableCapacityFunction() override;
  58   bool RunAsync() override;
  59 };
  60
  61 }  // namespace extensions
  62
  63 #endif  // EXTENSIONS_BROWSER_API_SYSTEM_STORAGE_SYSTEM_STORAGE_API_H_