Fix issue #6664140: Time to lock should work even Stay awake...
...in Developer options is on
Don't respect stay awake while on as long as a time to lock limit
is being enforced. When we start enforcing one, make sure the
setting is off (since we won't be respecting it anyway).
Bug: 6664140
Change-Id: Id07cb528afa0c64c7766341841c51771f507121d
diff --git a/services/java/com/android/server/DevicePolicyManagerService.java b/services/java/com/android/server/DevicePolicyManagerService.java
index eb33060..0f5ad66 100644
--- a/services/java/com/android/server/DevicePolicyManagerService.java
+++ b/services/java/com/android/server/DevicePolicyManagerService.java
@@ -112,6 +112,8 @@
int mPasswordOwner = -1;
Handler mHandler = new Handler();
+ long mLastMaximumTimeToLock = -1;
+
final HashMap<ComponentName, ActiveAdmin> mAdminMap
= new HashMap<ComponentName, ActiveAdmin>();
final ArrayList<ActiveAdmin> mAdminList
@@ -595,7 +597,7 @@
new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
- synchronized (this) {
+ synchronized (DevicePolicyManagerService.this) {
boolean doProxyCleanup = admin.info.usesPolicy(
DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY);
mAdminList.remove(admin);
@@ -603,9 +605,10 @@
validatePasswordOwnerLocked();
syncDeviceCapabilitiesLocked();
if (doProxyCleanup) {
- resetGlobalProxy();
+ resetGlobalProxyLocked();
}
saveSettingsLocked();
+ updateMaximumTimeToLockLocked();
}
}
});
@@ -826,16 +829,7 @@
validatePasswordOwnerLocked();
syncDeviceCapabilitiesLocked();
-
- long timeMs = getMaximumTimeToLock(null);
- if (timeMs <= 0) {
- timeMs = Integer.MAX_VALUE;
- }
- try {
- getIPowerManager().setMaximumScreenOffTimeount((int)timeMs);
- } catch (RemoteException e) {
- Slog.w(TAG, "Failure talking with power manager", e);
- }
+ updateMaximumTimeToLockLocked();
}
static void validateQualityConstant(int quality) {
@@ -1606,28 +1600,41 @@
DeviceAdminInfo.USES_POLICY_FORCE_LOCK);
if (ap.maximumTimeToUnlock != timeMs) {
ap.maximumTimeToUnlock = timeMs;
-
- long ident = Binder.clearCallingIdentity();
- try {
- saveSettingsLocked();
-
- timeMs = getMaximumTimeToLock(null);
- if (timeMs <= 0) {
- timeMs = Integer.MAX_VALUE;
- }
-
- try {
- getIPowerManager().setMaximumScreenOffTimeount((int)timeMs);
- } catch (RemoteException e) {
- Slog.w(TAG, "Failure talking with power manager", e);
- }
- } finally {
- Binder.restoreCallingIdentity(ident);
- }
+ saveSettingsLocked();
+ updateMaximumTimeToLockLocked();
}
}
}
+ void updateMaximumTimeToLockLocked() {
+ long timeMs = getMaximumTimeToLock(null);
+ if (mLastMaximumTimeToLock == timeMs) {
+ return;
+ }
+
+ long ident = Binder.clearCallingIdentity();
+ try {
+ if (timeMs <= 0) {
+ timeMs = Integer.MAX_VALUE;
+ } else {
+ // Make sure KEEP_SCREEN_ON is disabled, since that
+ // would allow bypassing of the maximum time to lock.
+ Settings.System.putInt(mContext.getContentResolver(),
+ Settings.System.STAY_ON_WHILE_PLUGGED_IN, 0);
+ }
+
+ mLastMaximumTimeToLock = timeMs;
+
+ try {
+ getIPowerManager().setMaximumScreenOffTimeount((int)timeMs);
+ } catch (RemoteException e) {
+ Slog.w(TAG, "Failure talking with power manager", e);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
public long getMaximumTimeToLock(ComponentName who) {
synchronized (this) {
long time = 0;
@@ -1868,7 +1875,7 @@
// Reset the global proxy accordingly
// Do this using system permissions, as apps cannot write to secure settings
long origId = Binder.clearCallingIdentity();
- resetGlobalProxy();
+ resetGlobalProxyLocked();
Binder.restoreCallingIdentity(origId);
return null;
}
@@ -1892,20 +1899,20 @@
return null;
}
- private void resetGlobalProxy() {
+ private void resetGlobalProxyLocked() {
final int N = mAdminList.size();
for (int i = 0; i < N; i++) {
ActiveAdmin ap = mAdminList.get(i);
if (ap.specifiesGlobalProxy) {
- saveGlobalProxy(ap.globalProxySpec, ap.globalProxyExclusionList);
+ saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList);
return;
}
}
// No device admins defining global proxies - reset global proxy settings to none
- saveGlobalProxy(null, null);
+ saveGlobalProxyLocked(null, null);
}
- private void saveGlobalProxy(String proxySpec, String exclusionList) {
+ private void saveGlobalProxyLocked(String proxySpec, String exclusionList) {
if (exclusionList == null) {
exclusionList = "";
}