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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 package org.chromium.base; | 5 package org.chromium.base; |
6 | 6 |
7 import android.content.Context; | 7 import android.content.Context; |
8 import android.content.pm.ApplicationInfo; | 8 import android.content.pm.ApplicationInfo; |
9 import android.os.AsyncTask; | 9 import android.os.AsyncTask; |
10 import android.os.Environment; | 10 import android.os.Environment; |
11 | 11 |
12 import org.chromium.base.annotations.CalledByNative; | 12 import org.chromium.base.annotations.CalledByNative; |
13 | 13 |
14 import java.io.File; | 14 import java.io.File; |
15 import java.util.concurrent.ExecutionException; | 15 import java.util.concurrent.ExecutionException; |
16 | 16 |
17 /** | 17 /** |
18 * This class provides the path related methods for the native library. | 18 * This class provides the path related methods for the native library. |
19 */ | 19 */ |
20 public abstract class PathUtils { | 20 public abstract class PathUtils { |
21 private static final String THUMBNAIL_DIRECTORY = "textures"; | 21 private static final String THUMBNAIL_DIRECTORY = "textures"; |
22 | 22 |
23 private static final int DATA_DIRECTORY = 0; | 23 private static final int DATA_DIRECTORY = 0; |
24 private static final int DATABASE_DIRECTORY = 1; | 24 private static final int DATABASE_DIRECTORY = 1; |
25 private static final int CACHE_DIRECTORY = 2; | 25 private static final int CACHE_DIRECTORY = 2; |
26 private static final int DOWNLOADS_DIRECTORY = 3; | 26 private static final int NUM_DIRECTORIES = 3; |
27 private static final int NUM_DIRECTORIES = 4; | |
28 private static AsyncTask<String, Void, String[]> sDirPathFetchTask; | 27 private static AsyncTask<String, Void, String[]> sDirPathFetchTask; |
29 | 28 |
30 private static File sThumbnailDirectory; | 29 private static File sThumbnailDirectory; |
31 | 30 |
32 // Prevent instantiation. | 31 // Prevent instantiation. |
33 private PathUtils() {} | 32 private PathUtils() {} |
34 | 33 |
35 /** | 34 /** |
36 * Starts an asynchronous task to fetch the path of the directory where priv
ate data is to be | 35 * Starts an asynchronous task to fetch the path of the directory where priv
ate data is to be |
37 * stored by the application. | 36 * stored by the application. |
38 * | 37 * |
39 * @param suffix The private data directory suffix. | 38 * @param suffix The private data directory suffix. |
40 * @see Context#getDir(String, int) | 39 * @see Context#getDir(String, int) |
41 */ | 40 */ |
42 public static void setPrivateDataDirectorySuffix(String suffix, Context cont
ext) { | 41 public static void setPrivateDataDirectorySuffix(String suffix, Context cont
ext) { |
43 final Context appContext = context.getApplicationContext(); | 42 final Context appContext = context.getApplicationContext(); |
44 sDirPathFetchTask = new AsyncTask<String, Void, String[]>() { | 43 sDirPathFetchTask = new AsyncTask<String, Void, String[]>() { |
45 @Override | 44 @Override |
46 protected String[] doInBackground(String... dataDirectorySuffix) { | 45 protected String[] doInBackground(String... dataDirectorySuffix) { |
47 String[] paths = new String[NUM_DIRECTORIES]; | 46 String[] paths = new String[NUM_DIRECTORIES]; |
48 paths[DATA_DIRECTORY] = | 47 paths[DATA_DIRECTORY] = |
49 appContext.getDir(dataDirectorySuffix[0], Context.MODE_P
RIVATE).getPath(); | 48 appContext.getDir(dataDirectorySuffix[0], Context.MODE_P
RIVATE).getPath(); |
50 paths[DATABASE_DIRECTORY] = appContext.getDatabasePath("foo").ge
tParent(); | 49 paths[DATABASE_DIRECTORY] = appContext.getDatabasePath("foo").ge
tParent(); |
51 // TODO(wnwen): Find a way to avoid calling this function in ren
derer process. | 50 // TODO(wnwen): Find a way to avoid calling this function in ren
derer process. |
52 if (appContext.getCacheDir() != null) { | 51 if (appContext.getCacheDir() != null) { |
53 // These paths are only available in the browser process. | |
54 paths[CACHE_DIRECTORY] = appContext.getCacheDir().getPath(); | 52 paths[CACHE_DIRECTORY] = appContext.getCacheDir().getPath(); |
55 paths[DOWNLOADS_DIRECTORY] = Environment | |
56 .getExternalStoragePubl
icDirectory( | |
57 Environment.DIR
ECTORY_DOWNLOADS) | |
58 .getPath(); | |
59 } | 53 } |
60 return paths; | 54 return paths; |
61 } | 55 } |
62 }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, suffix); | 56 }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, suffix); |
63 } | 57 } |
64 | 58 |
65 /** | 59 /** |
66 * @param index The index of the cached directory path. | 60 * @param index The index of the cached directory path. |
67 * @return The directory path requested, or null if not available. | 61 * @return The directory path requested, or null if not available. |
68 */ | 62 */ |
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114 public static String getThumbnailCacheDirectoryPath(Context appContext) { | 108 public static String getThumbnailCacheDirectoryPath(Context appContext) { |
115 return getThumbnailCacheDirectory(appContext).getAbsolutePath(); | 109 return getThumbnailCacheDirectory(appContext).getAbsolutePath(); |
116 } | 110 } |
117 | 111 |
118 /** | 112 /** |
119 * @return the public downloads directory. | 113 * @return the public downloads directory. |
120 */ | 114 */ |
121 @SuppressWarnings("unused") | 115 @SuppressWarnings("unused") |
122 @CalledByNative | 116 @CalledByNative |
123 private static String getDownloadsDirectory(Context appContext) { | 117 private static String getDownloadsDirectory(Context appContext) { |
124 assert sDirPathFetchTask != null : "setDataDirectorySuffix must be calle
d first."; | 118 return Environment.getExternalStoragePublicDirectory(Environment.DIRECTO
RY_DOWNLOADS) |
125 return getDirectoryPath(DOWNLOADS_DIRECTORY); | 119 .getPath(); |
126 } | 120 } |
127 | 121 |
128 /** | 122 /** |
129 * @return the path to native libraries. | 123 * @return the path to native libraries. |
130 */ | 124 */ |
131 @SuppressWarnings("unused") | 125 @SuppressWarnings("unused") |
132 @CalledByNative | 126 @CalledByNative |
133 private static String getNativeLibraryDirectory(Context appContext) { | 127 private static String getNativeLibraryDirectory(Context appContext) { |
134 ApplicationInfo ai = appContext.getApplicationInfo(); | 128 ApplicationInfo ai = appContext.getApplicationInfo(); |
135 if ((ai.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0 | 129 if ((ai.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0 |
136 || (ai.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { | 130 || (ai.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
137 return ai.nativeLibraryDir; | 131 return ai.nativeLibraryDir; |
138 } | 132 } |
139 | 133 |
140 return "/system/lib/"; | 134 return "/system/lib/"; |
141 } | 135 } |
142 | 136 |
143 /** | 137 /** |
144 * @return the external storage directory. | 138 * @return the external storage directory. |
145 */ | 139 */ |
146 @SuppressWarnings("unused") | 140 @SuppressWarnings("unused") |
147 @CalledByNative | 141 @CalledByNative |
148 public static String getExternalStorageDirectory() { | 142 public static String getExternalStorageDirectory() { |
149 return Environment.getExternalStorageDirectory().getAbsolutePath(); | 143 return Environment.getExternalStorageDirectory().getAbsolutePath(); |
150 } | 144 } |
151 } | 145 } |
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