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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 // | 4 // |
| 5 // CRX filesystem is a filesystem that allows an extension to read its own | 5 // CRX filesystem is a filesystem that allows an extension to read its own |
| 6 // package directory tree. See ppapi/examples/crxfs for example. | 6 // package directory tree. See ppapi/examples/crxfs for example. |
| 7 // | 7 // |
| 8 // IMPLEMENTATION | 8 // IMPLEMENTATION |
| 9 // | 9 // |
| 10 // The implementation involves both browser and renderer. In order to provide | 10 // The implementation involves both browser and renderer. In order to provide |
| 11 // readonly access to CRX filesystem (i.e. extension directory), we create an | 11 // readonly access to CRX filesystem (i.e. extension directory), we create an |
| 12 // "isolated filesystem" pointing to current extension directory in browser. | 12 // "isolated filesystem" pointing to current extension directory in browser. |
| 13 // Then browser grants read permission to renderer, and tells plugin the | 13 // Then browser grants read permission to renderer, and tells plugin the |
| 14 // filesystem id, or fsid. | 14 // filesystem id, or fsid. |
| 15 // | 15 // |
| 16 // Once the plugin receives the fsid, it creates a PPB_FileSystem and forwards | 16 // Once the plugin receives the fsid, it creates a PPB_FileSystem and forwards |
| 17 // the fsid to PepperFileSystemHost in order to construct root url. | 17 // the fsid to PepperFileSystemHost in order to construct root url. |
| 18 | 18 |
| 19 #ifndef PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ | 19 #ifndef PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ |
| 20 #define PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ | 20 #define PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ |
| 21 | 21 |
| 22 #include <stdint.h> |
| 23 |
| 22 #include <string> | 24 #include <string> |
| 23 | 25 |
| 26 #include "base/macros.h" |
| 24 #include "base/memory/ref_counted.h" | 27 #include "base/memory/ref_counted.h" |
| 25 #include "ppapi/proxy/connection.h" | 28 #include "ppapi/proxy/connection.h" |
| 26 #include "ppapi/proxy/plugin_resource.h" | 29 #include "ppapi/proxy/plugin_resource.h" |
| 27 #include "ppapi/proxy/ppapi_proxy_export.h" | 30 #include "ppapi/proxy/ppapi_proxy_export.h" |
| 28 #include "ppapi/thunk/ppb_isolated_file_system_private_api.h" | 31 #include "ppapi/thunk/ppb_isolated_file_system_private_api.h" |
| 29 | 32 |
| 30 namespace ppapi { | 33 namespace ppapi { |
| 31 | 34 |
| 32 class TrackedCallback; | 35 class TrackedCallback; |
| 33 | 36 |
| (...skipping 26 matching lines...) Expand all Loading... |
| 60 const ResourceMessageReplyParams& params, | 63 const ResourceMessageReplyParams& params, |
| 61 const std::string& fsid); | 64 const std::string& fsid); |
| 62 | 65 |
| 63 DISALLOW_COPY_AND_ASSIGN(IsolatedFileSystemPrivateResource); | 66 DISALLOW_COPY_AND_ASSIGN(IsolatedFileSystemPrivateResource); |
| 64 }; | 67 }; |
| 65 | 68 |
| 66 } // namespace proxy | 69 } // namespace proxy |
| 67 } // namespace ppapi | 70 } // namespace ppapi |
| 68 | 71 |
| 69 #endif // PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ | 72 #endif // PPAPI_PROXY_ISOLATED_FILE_SYSTEM_PRIVATE_RESOURCE_H_ |
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