Offer to cache ringtones in system DE storage.
Ringtones often live on shared media, which is now encrypted with CE
keys and not available until after the user is unlocked. To improve
the user experience while locked, cache the default ringtone,
notification sound, and alarm sound in a DE storage area.
Bug: 26730753
Change-Id: Ie6ad7790af4c87dd25759df3ed017e3b91a2fb87
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
index 57d495f..9842e28 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
@@ -49,6 +49,7 @@
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.RemoteException;
+import android.os.SELinux;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.os.UserManager;
@@ -457,8 +458,28 @@
@Override
public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
- throw new FileNotFoundException("Direct file access no longer supported; "
- + "ringtone playback is available through android.media.Ringtone");
+ final String cacheName;
+ if (Settings.System.RINGTONE_CACHE_URI.equals(uri)) {
+ cacheName = Settings.System.RINGTONE_CACHE;
+ } else if (Settings.System.NOTIFICATION_SOUND_CACHE_URI.equals(uri)) {
+ cacheName = Settings.System.NOTIFICATION_SOUND_CACHE;
+ } else if (Settings.System.ALARM_ALERT_CACHE_URI.equals(uri)) {
+ cacheName = Settings.System.ALARM_ALERT_CACHE;
+ } else {
+ throw new FileNotFoundException("Direct file access no longer supported; "
+ + "ringtone playback is available through android.media.Ringtone");
+ }
+
+ final File cacheFile = new File(
+ getRingtoneCacheDir(UserHandle.getCallingUserId()), cacheName);
+ return ParcelFileDescriptor.open(cacheFile, ParcelFileDescriptor.parseMode(mode));
+ }
+
+ private File getRingtoneCacheDir(int userId) {
+ final File cacheDir = new File(Environment.getDataSystemDeDirectory(userId), "ringtones");
+ cacheDir.mkdir();
+ SELinux.restorecon(cacheDir);
+ return cacheDir;
}
@Override
@@ -901,6 +922,21 @@
return false;
}
+ // Invalidate any relevant cache files
+ String cacheName = null;
+ if (Settings.System.RINGTONE.equals(name)) {
+ cacheName = Settings.System.RINGTONE_CACHE;
+ } else if (Settings.System.NOTIFICATION_SOUND.equals(name)) {
+ cacheName = Settings.System.NOTIFICATION_SOUND_CACHE;
+ } else if (Settings.System.ALARM_ALERT.equals(name)) {
+ cacheName = Settings.System.ALARM_ALERT_CACHE;
+ }
+ if (cacheName != null) {
+ final File cacheFile = new File(
+ getRingtoneCacheDir(UserHandle.getCallingUserId()), cacheName);
+ cacheFile.delete();
+ }
+
// Mutate the value.
synchronized (mLock) {
switch (operation) {