1// Copyright (c) 2012 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// Defines base::PathProviderAndroid which replaces base::PathProviderPosix for 6// Android in base/path_service.cc. 7 8#include <limits.h> 9#include <unistd.h> 10 11#include "base/android/jni_android.h" 12#include "base/android/path_utils.h" 13#include "base/base_paths.h" 14#include "base/files/file_path.h" 15#include "base/files/file_util.h" 16#include "base/logging.h" 17#include "base/process/process_metrics.h" 18 19namespace base { 20 21bool PathProviderAndroid(int key, FilePath* result) { 22 switch (key) { 23 case base::FILE_EXE: { 24 char bin_dir[PATH_MAX + 1]; 25 int bin_dir_size = readlink(kProcSelfExe, bin_dir, PATH_MAX); 26 if (bin_dir_size < 0 || bin_dir_size > PATH_MAX) { 27 NOTREACHED() << "Unable to resolve " << kProcSelfExe << "."; 28 return false; 29 } 30 bin_dir[bin_dir_size] = 0; 31 *result = FilePath(bin_dir); 32 return true; 33 } 34 case base::FILE_MODULE: 35 // dladdr didn't work in Android as only the file name was returned. 36 NOTIMPLEMENTED(); 37 return false; 38 case base::DIR_MODULE: 39 return base::android::GetNativeLibraryDirectory(result); 40 case base::DIR_SOURCE_ROOT: 41 // Used only by tests. 42 // In that context, hooked up via base/test/test_support_android.cc. 43 NOTIMPLEMENTED(); 44 return false; 45 case base::DIR_USER_DESKTOP: 46 // Android doesn't support GetUserDesktop. 47 NOTIMPLEMENTED(); 48 return false; 49 case base::DIR_CACHE: 50 return base::android::GetCacheDirectory(result); 51 case base::DIR_ANDROID_APP_DATA: 52 return base::android::GetDataDirectory(result); 53 case base::DIR_ANDROID_EXTERNAL_STORAGE: 54 return base::android::GetExternalStorageDirectory(result); 55 default: 56 // Note: the path system expects this function to override the default 57 // behavior. So no need to log an error if we don't support a given 58 // path. The system will just use the default. 59 return false; 60 } 61} 62 63} // namespace base 64