Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | #ifndef ANDROID_STORAGE_MANAGER_H |
| 19 | #define ANDROID_STORAGE_MANAGER_H |
| 20 | |
| 21 | #include <stdint.h> |
| 22 | |
| 23 | #ifdef __cplusplus |
| 24 | extern "C" { |
| 25 | #endif |
| 26 | |
| 27 | struct AStorageManager; |
| 28 | typedef struct AStorageManager AStorageManager; |
| 29 | |
| 30 | enum { |
| 31 | /* |
| 32 | * The OBB container is now mounted and ready for use. Can be returned |
| 33 | * as the status for callbacks made during asynchronous OBB actions. |
| 34 | */ |
| 35 | AOBB_STATE_MOUNTED = 1, |
| 36 | |
| 37 | /* |
| 38 | * The OBB container is now unmounted and not usable. Can be returned |
| 39 | * as the status for callbacks made during asynchronous OBB actions. |
| 40 | */ |
| 41 | AOBB_STATE_UNMOUNTED = 2, |
| 42 | |
| 43 | /* |
| 44 | * There was an internal system error encountered while trying to |
| 45 | * mount the OBB. Can be returned as the status for callbacks made |
| 46 | * during asynchronous OBB actions. |
| 47 | */ |
| 48 | AOBB_STATE_ERROR_INTERNAL = 20, |
| 49 | |
| 50 | /* |
| 51 | * The OBB could not be mounted by the system. Can be returned as the |
| 52 | * status for callbacks made during asynchronous OBB actions. |
| 53 | */ |
| 54 | AOBB_STATE_ERROR_COULD_NOT_MOUNT = 21, |
| 55 | |
| 56 | /* |
| 57 | * The OBB could not be unmounted. This most likely indicates that a |
| 58 | * file is in use on the OBB. Can be returned as the status for |
| 59 | * callbacks made during asynchronous OBB actions. |
| 60 | */ |
| 61 | AOBB_STATE_ERROR_COULD_NOT_UNMOUNT = 22, |
| 62 | |
| 63 | /* |
| 64 | * A call was made to unmount the OBB when it was not mounted. Can be |
| 65 | * returned as the status for callbacks made during asynchronous OBB |
| 66 | * actions. |
| 67 | */ |
| 68 | AOBB_STATE_ERROR_NOT_MOUNTED = 23, |
| 69 | |
| 70 | /* |
| 71 | * The OBB has already been mounted. Can be returned as the status for |
| 72 | * callbacks made during asynchronous OBB actions. |
| 73 | */ |
| 74 | AOBB_STATE_ERROR_ALREADY_MOUNTED = 24, |
| 75 | |
| 76 | /* |
| 77 | * The current application does not have permission to use this OBB. |
| 78 | * This could be because the OBB indicates it's owned by a different |
| 79 | * package. Can be returned as the status for callbacks made during |
| 80 | * asynchronous OBB actions. |
| 81 | */ |
| 82 | AOBB_STATE_ERROR_PERMISSION_DENIED = 25, |
| 83 | }; |
| 84 | |
| 85 | /** |
| 86 | * Obtains a new instance of AStorageManager. |
| 87 | */ |
| 88 | AStorageManager* AStorageManager_new(); |
| 89 | |
| 90 | /** |
| 91 | * Release AStorageManager instance. |
| 92 | */ |
| 93 | void AStorageManager_delete(AStorageManager* mgr); |
| 94 | |
| 95 | /** |
| 96 | * Callback function for asynchronous calls made on OBB files. |
| 97 | */ |
| 98 | typedef void (*AStorageManager_obbCallbackFunc)(const char* filename, const int32_t state, void* data); |
| 99 | |
| 100 | /** |
| 101 | * Attempts to mount an OBB file. This is an asynchronous operation. |
| 102 | */ |
| 103 | void AStorageManager_mountObb(AStorageManager* mgr, const char* filename, const char* key, |
| 104 | AStorageManager_obbCallbackFunc cb, void* data); |
| 105 | |
| 106 | /** |
| 107 | * Attempts to unmount an OBB file. This is an asynchronous operation. |
| 108 | */ |
| 109 | void AStorageManager_unmountObb(AStorageManager* mgr, const char* filename, const int force, |
| 110 | AStorageManager_obbCallbackFunc cb, void* data); |
| 111 | |
| 112 | /** |
| 113 | * Check whether an OBB is mounted. |
| 114 | */ |
| 115 | int AStorageManager_isObbMounted(AStorageManager* mgr, const char* filename); |
| 116 | |
| 117 | /** |
| 118 | * Get the mounted path for an OBB. |
| 119 | */ |
| 120 | const char* AStorageManager_getMountedObbPath(AStorageManager* mgr, const char* filename); |
| 121 | |
| 122 | |
| 123 | #ifdef __cplusplus |
| 124 | }; |
| 125 | #endif |
| 126 | |
| 127 | #endif // ANDROID_STORAGE_MANAGER_H |