| 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 | package org.chromium.base; |
| 6 | |
| 7 | import android.content.Context; |
| 8 | import android.content.pm.ApplicationInfo; |
| 9 | import android.os.Environment; |
| 10 | |
| 11 | import java.io.File; |
| 12 | |
| 13 | /** |
| 14 | * This class provides the path related methods for the native library. |
| 15 | */ |
| 16 | public abstract class PathUtils { |
| 17 | |
| 18 | private static String sDataDirectorySuffix; |
| 19 | private static String sWebappDirectorySuffix; |
| 20 | private static String sWebappCacheDirectory; |
| 21 | |
| 22 | // Prevent instantiation. |
| 23 | private PathUtils() {} |
| 24 | |
| 25 | /** |
| 26 | * Sets the suffix that should be used for the directory where private data is to be stored |
| 27 | * by the application. |
| 28 | * @param suffix The private data directory suffix. |
| 29 | * @see Context#getDir(String, int) |
| 30 | */ |
| 31 | public static void setPrivateDataDirectorySuffix(String suffix) { |
| 32 | sDataDirectorySuffix = suffix; |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Sets the directory info used for chrome process running in application mode. |
| 37 | * |
| 38 | * @param webappSuffix The suffix of the directory used for storing webapp-specific profile |
| 39 | * @param cacheDir Cache directory name for web apps. |
| 40 | */ |
| 41 | public static void setWebappDirectoryInfo(String webappSuffix, String cacheDir) { |
| 42 | sWebappDirectorySuffix = webappSuffix; |
| 43 | sWebappCacheDirectory = cacheDir; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @return the private directory that is used to store application data. |
| 48 | */ |
| 49 | @CalledByNative |
| 50 | public static String getDataDirectory(Context appContext) { |
| 51 | if (sDataDirectorySuffix == null) { |
| 52 | throw new IllegalStateException( |
| 53 | "setDataDirectorySuffix must be called before getDataDirectory"); |
| 54 | } |
| 55 | return appContext.getDir(sDataDirectorySuffix, Context.MODE_PRIVATE).getPath(); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * @return the cache directory. |
| 60 | */ |
| 61 | @SuppressWarnings("unused") |
| 62 | @CalledByNative |
| 63 | public static String getCacheDirectory(Context appContext) { |
| 64 | if (ContextTypes.getInstance().getType(appContext) == ContextTypes.CONTEXT_TYPE_NORMAL) { |
| 65 | return appContext.getCacheDir().getPath(); |
| 66 | } |
| 67 | if (sWebappDirectorySuffix == null || sWebappCacheDirectory == null) { |
| 68 | throw new IllegalStateException( |
| 69 | "setWebappDirectoryInfo must be called before getCacheDirectory"); |
| 70 | } |
| 71 | return new File(appContext.getDir(sWebappDirectorySuffix, appContext.MODE_PRIVATE), |
| 72 | sWebappCacheDirectory).getPath(); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * @return the public downloads directory. |
| 77 | */ |
| 78 | @SuppressWarnings("unused") |
| 79 | @CalledByNative |
| 80 | private static String getDownloadsDirectory(Context appContext) { |
| 81 | return Environment.getExternalStoragePublicDirectory( |
| 82 | Environment.DIRECTORY_DOWNLOADS).getPath(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @return the path to native libraries. |
| 87 | */ |
| 88 | @SuppressWarnings("unused") |
| 89 | @CalledByNative |
| 90 | private static String getNativeLibraryDirectory(Context appContext) { |
| 91 | ApplicationInfo ai = appContext.getApplicationInfo(); |
| 92 | if ((ai.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0 || |
| 93 | (ai.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| 94 | return ai.nativeLibraryDir; |
| 95 | } |
| 96 | |
| 97 | return "/system/lib/"; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * @return the external storage directory. |
| 102 | */ |
| 103 | @SuppressWarnings("unused") |
| 104 | @CalledByNative |
| 105 | public static String getExternalStorageDirectory() { |
| 106 | return Environment.getExternalStorageDirectory().getAbsolutePath(); |
| 107 | } |
| 108 | } |