| // Copyright 2013 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. |
| // |
| // CRX filesystem is a filesystem that allows an extension to read its own |
| // package directory tree. See ppapi/examples/crxfs for example. |
| // |
| // IMPLEMENTATION |
| // |
| // The implementation involves both browser and renderer. In order to provide |
| // readonly access to CRX filesystem (i.e. extension directory), we create an |
| // "isolated filesystem" pointing to current extension directory in browser. |
| // Then browser grants read permission to renderer, and tells plugin the |
| // filesystem id, or fsid. |
| // |
| // Once the plugin receives the fsid, it creates a PPB_FileSystem and forwards |
| // the fsid to PepperFileSystemHost in order to construct root url. |
| |
| #ifndef PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ |
| #define PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ |
| |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "ppapi/proxy/connection.h" |
| #include "ppapi/proxy/plugin_resource.h" |
| #include "ppapi/proxy/ppapi_proxy_export.h" |
| #include "ppapi/thunk/ppb_isolated_file_system_private_api.h" |
| |
| namespace ppapi { |
| |
| class TrackedCallback; |
| |
| namespace proxy { |
| |
| class ResourceMessageReplyParams; |
| |
| class PPAPI_PROXY_EXPORT IsolatedFileSystemPrivateResource |
| : public PluginResource, |
| public thunk::PPB_IsolatedFileSystem_Private_API { |
| public: |
| IsolatedFileSystemPrivateResource( |
| Connection connection, PP_Instance instance); |
| ~IsolatedFileSystemPrivateResource() override; |
| |
| // Resource overrides. |
| thunk::PPB_IsolatedFileSystem_Private_API* |
| AsPPB_IsolatedFileSystem_Private_API() override; |
| |
| // PPB_IsolatedFileSystem_Private_API implementation. |
| int32_t Open(PP_Instance instance, |
| PP_IsolatedFileSystemType_Private type, |
| PP_Resource* file_system_resource, |
| scoped_refptr<TrackedCallback> callback) override; |
| |
| private: |
| void OnBrowserOpenComplete(PP_IsolatedFileSystemType_Private type, |
| PP_Resource* file_system_resource, |
| scoped_refptr<TrackedCallback> callback, |
| const ResourceMessageReplyParams& params, |
| const std::string& fsid); |
| |
| DISALLOW_COPY_AND_ASSIGN(IsolatedFileSystemPrivateResource); |
| }; |
| |
| } // namespace proxy |
| } // namespace ppapi |
| |
| #endif // PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ |