| // Copyright 2014 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 EXTENSIONS_BROWSER_API_API_RESOURCE_H_ |
| #define EXTENSIONS_BROWSER_API_API_RESOURCE_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "extensions/common/extension.h" |
| |
| namespace extensions { |
| |
| // An ApiResource represents something that an extension API manages, such as a |
| // socket or a serial-port connection. Typically, an ApiResourceManager will |
| // control the lifetime of all ApiResources of a specific derived type. |
| class ApiResource { |
| public: |
| virtual ~ApiResource(); |
| |
| const std::string& owner_extension_id() const { return owner_extension_id_; } |
| |
| // If this method returns |true|, the resource remains open when the |
| // owning extension is suspended due to inactivity. |
| virtual bool IsPersistent() const; |
| |
| static const content::BrowserThread::ID kThreadId = |
| content::BrowserThread::IO; |
| |
| protected: |
| explicit ApiResource(const std::string& owner_extension_id); |
| |
| private: |
| // The extension that owns this resource. |
| const std::string owner_extension_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ApiResource); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_API_API_RESOURCE_H_ |