Merge changes I790820b1,I3fcf3619,Ia0d5a156 into jb-mr1-dev

* changes:
  Enable hardware acceleration for pointer location overlay.
  Disable use of twilight mode for auto-brightness.
  Use new API to override user activity timeout from keyguard.

Author: Jeff Brown

core/java/android/os/PowerManager.java

@@ -339,6 +339,15 @@ public static boolean useScreenAutoBrightnessAdjustmentFeature() {
         return SystemProperties.getBoolean("persist.power.useautobrightadj", false);
     }
 
+    /**
+     * Returns true if the twilight service should be used to adjust screen brightness
+     * policy.  This setting is experimental and disabled by default.
+     * @hide
+     */
+    public static boolean useTwilightAdjustmentFeature() {
+        return SystemProperties.getBoolean("persist.power.usetwilightadj", false);
+    }
+
     /**
      * Creates a new wake lock with the specified level and flags.
      * <p>

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -775,7 +775,7 @@ void showGlobalActionsDialog() {
         if (keyguardShowing) {
             // since it took two seconds of long press to bring this up,
             // poke the wake lock so they have some time to see the dialog.
-            mKeyguardMediator.pokeWakelock();
+            mKeyguardMediator.userActivity();
         }
     }
 
@@ -1140,6 +1140,11 @@ private void enablePointerLocation() {
                     | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
                     | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                     | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
+            if (ActivityManager.isHighEndGfx()) {
+                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
+                lp.privateFlags |=
+                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
+            }
             lp.format = PixelFormat.TRANSLUCENT;
             lp.setTitle("PointerLocation");
             WindowManager wm = (WindowManager)

policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java

@@ -234,7 +234,7 @@ void addWidget(AppWidgetHostView view) {
 
         public void userActivity(long timeout) {
             if (mViewMediatorCallback != null) {
-                mViewMediatorCallback.pokeWakelock(timeout);
+                mViewMediatorCallback.userActivity(timeout);
             }
         }
 
@@ -638,7 +638,7 @@ public void wakeWhenReadyTq(int keyCode) {
             if (DEBUG) Log.d(TAG, "poking wake lock immediately");
         }
         if (mViewMediatorCallback != null) {
-            mViewMediatorCallback.pokeWakelock();
+            mViewMediatorCallback.wakeUp();
         }
     }
 

policy/src/com/android/internal/policy/impl/keyguard/KeyguardSelectorView.java

@@ -76,6 +76,7 @@ public void onTrigger(View v, int target) {
 
                 case com.android.internal.R.drawable.ic_lockscreen_unlock_phantom:
                 case com.android.internal.R.drawable.ic_lockscreen_unlock:
+                    mCallback.userActivity(0);
                     mCallback.dismiss(false);
                 break;
             }
@@ -86,6 +87,7 @@ public void onReleased(View v, int handle) {
         }
 
         public void onGrabbed(View v, int handle) {
+            mCallback.userActivity(0);
             doTransition(mFadeView, 0.0f);
         }
 

policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java

@@ -155,6 +155,8 @@ private void maybeCreateKeyguardLocked(boolean enableScreenRotation) {
                         WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
             }
             lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SET_NEEDS_MENU_KEY;
+            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_DISABLE_USER_ACTIVITY;
+            lp.userActivityTimeout = KeyguardViewMediator.AWAKE_INTERVAL_DEFAULT_MS;
             lp.setTitle(isActivity ? "KeyguardMock" : "Keyguard");
             mWindowLayoutParams = lp;
             mViewManager.addView(mKeyguardHost, lp);

policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java

@@ -104,7 +104,6 @@ public class KeyguardViewMediator {
         "com.android.internal.policy.impl.PhoneWindowManager.DELAYED_KEYGUARD";
 
     // used for handler messages
-    private static final int TIMEOUT = 1;
     private static final int SHOW = 2;
     private static final int HIDE = 3;
     private static final int RESET = 4;
@@ -166,12 +165,6 @@ public class KeyguardViewMediator {
     /** UserManager for querying number of users */
     private UserManager mUserManager;
 
-    /**
-     * Used to keep the device awake while the keyguard is showing, i.e for
-     * calls to {@link #pokeWakelock()}
-     */
-    private PowerManager.WakeLock mWakeLock;
-
     /**
      * Used to keep the device awake while to ensure the keyguard finishes opening before
      * we sleep.
@@ -215,8 +208,6 @@ public class KeyguardViewMediator {
      */
     private int mDelayedShowingSequence;
 
-    private int mWakelockSequence;
-
     /**
      * If the user has disabled the keyguard, then requests to exit, this is
      * how we'll ultimately let them know whether it was successful.  We use this
@@ -262,15 +253,16 @@ public class KeyguardViewMediator {
     public interface ViewMediatorCallback {
 
         /**
-         * Request the wakelock to be poked for the default amount of time.
+         * Wake the device immediately.
          */
-        void pokeWakelock();
+        void wakeUp();
 
         /**
-         * Request the wakelock to be poked for a specific amount of time.
+         * Reports user activity and requests that the screen stay on for the specified
+         * amount of time.
          * @param millis The amount of time in millis.
          */
-        void pokeWakelock(long millis);
+        void userActivity(long millis);
 
         /**
          * Report that the keyguard is done.
@@ -402,12 +394,12 @@ public void onSimStateChanged(IccCardConstants.State simState) {
     };
 
     ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() {
-        public void pokeWakelock() {
-            KeyguardViewMediator.this.pokeWakelock();
+        public void wakeUp() {
+            KeyguardViewMediator.this.wakeUp();
         }
 
-        public void pokeWakelock(long holdMs) {
-            KeyguardViewMediator.this.pokeWakelock(holdMs);
+        public void userActivity(long holdMs) {
+            KeyguardViewMediator.this.userActivity(holdMs);
         }
 
         public void keyguardDone(boolean authenticated) {
@@ -424,19 +416,18 @@ public void setNeedsInput(boolean needsInput) {
         }
     };
 
-    public void pokeWakelock() {
-        pokeWakelock(AWAKE_INTERVAL_DEFAULT_MS);
+    public void wakeUp() {
+        mPM.wakeUp(SystemClock.uptimeMillis());
     }
 
-    public void pokeWakelock(long holdMs) {
-        synchronized (this) {
-            if (DBG_WAKE) Log.d(TAG, "pokeWakelock(" + holdMs + ")");
-            mWakeLock.acquire();
-            mHandler.removeMessages(TIMEOUT);
-            mWakelockSequence++;
-            Message msg = mHandler.obtainMessage(TIMEOUT, mWakelockSequence, 0);
-            mHandler.sendMessageDelayed(msg, holdMs);
-        }
+    public void userActivity() {
+        userActivity(AWAKE_INTERVAL_DEFAULT_MS);
+    }
+
+    public void userActivity(long holdMs) {
+        // We ignore the hold time.  Eventually we should remove it.
+        // Instead, the keyguard window has an explicit user activity timeout set on it.
+        mPM.userActivity(SystemClock.uptimeMillis(), false);
     }
 
     /**
@@ -448,9 +439,6 @@ public KeyguardViewMediator(Context context, LockPatternUtils lockPatternUtils)
         mContext = context;
         mPM = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
         mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
-        mWakeLock = mPM.newWakeLock(
-                PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "keyguard");
-        mWakeLock.setReferenceCounted(false);
         mShowKeyguardWakeLock = mPM.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "show keyguard");
         mShowKeyguardWakeLock.setReferenceCounted(false);
 
@@ -737,7 +725,6 @@ private void handleSetHidden(boolean isHidden) {
             if (mHidden != isHidden) {
                 mHidden = isHidden;
                 updateActivityLockScreenState();
-                adjustUserActivityLocked();
                 adjustStatusBarLocked();
             }
         }
@@ -1050,9 +1037,6 @@ public void keyguardDone(boolean authenticated, boolean wakeup) {
         @Override
         public void handleMessage(Message msg) {
             switch (msg.what) {
-                case TIMEOUT:
-                    handleTimeout(msg.arg1);
-                    return ;
                 case SHOW:
                     handleShow();
                     return ;
@@ -1103,9 +1087,8 @@ private void handleKeyguardDone(boolean wakeup) {
         if (DEBUG) Log.d(TAG, "handleKeyguardDone");
         handleHide();
         if (wakeup) {
-            mPM.wakeUp(SystemClock.uptimeMillis());
+            wakeUp();
         }
-        mWakeLock.release();
 
         sendUserPresentBroadcast();
     }
@@ -1137,21 +1120,6 @@ private void handleKeyguardDoneDrawing() {
         }
     }
 
-    /**
-     * Handles the message sent by {@link #pokeWakelock}
-     * @param seq used to determine if anything has changed since the message
-     *   was sent.
-     * @see #TIMEOUT
-     */
-    private void handleTimeout(int seq) {
-        synchronized (KeyguardViewMediator.this) {
-            if (DEBUG) Log.d(TAG, "handleTimeout");
-            if (seq == mWakelockSequence) {
-                mWakeLock.release();
-            }
-        }
-    }
-
     private void playSounds(boolean locked) {
         // User feedback for keyguard.
 
@@ -1200,8 +1168,8 @@ private void handleShow() {
             mKeyguardViewManager.show();
             mShowing = true;
             updateActivityLockScreenState();
-            adjustUserActivityLocked();
             adjustStatusBarLocked();
+            userActivity();
             try {
                 ActivityManagerNative.getDefault().closeSystemDialogs("lock");
             } catch (RemoteException e) {
@@ -1235,23 +1203,10 @@ private void handleHide() {
             mKeyguardViewManager.hide();
             mShowing = false;
             updateActivityLockScreenState();
-            adjustUserActivityLocked();
             adjustStatusBarLocked();
         }
     }
 
-    private void adjustUserActivityLocked() {
-        // disable user activity if we are shown and not hidden
-        if (DEBUG) Log.d(TAG, "adjustUserActivityLocked mShowing: " + mShowing + " mHidden: " + mHidden);
-        boolean enabled = !mShowing || mHidden;
-        // FIXME: Replace this with a new timeout control mechanism.
-        //mRealPowerManager.enableUserActivity(enabled);
-        if (!enabled && mScreenOn) {
-            // reinstate our short screen timeout policy
-            pokeWakelock();
-        }
-    }
-
     private void adjustStatusBarLocked() {
         if (mStatusBarManager == null) {
             mStatusBarManager = (StatusBarManager)
@@ -1320,18 +1275,14 @@ private void handleWakeWhenReady(int keyCode) {
             if (!mKeyguardViewManager.wakeWhenReadyTq(keyCode)) {
                 // poke wakelock ourselves if keyguard is no longer active
                 Log.w(TAG, "mKeyguardViewManager.wakeWhenReadyTq did not poke wake lock, so poke it ourselves");
-                pokeWakelock();
+                userActivity();
             }
 
             /**
              * Now that the keyguard is ready and has poked the wake lock, we can
              * release the handoff wakelock
              */
             mWakeAndHandOff.release();
-
-            if (!mWakeLock.isHeld()) {
-                Log.w(TAG, "mWakeLock not held in mKeyguardViewManager.wakeWhenReadyTq");
-            }
         }
     }
 

services/java/com/android/server/power/DisplayPowerController.java

@@ -44,7 +44,6 @@
 import android.view.Display;
 
 import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.util.concurrent.Executor;
 
 /**
@@ -95,7 +94,8 @@ final class DisplayPowerController {
     // when it is especially dark outside.  The light sensor tends to perform
     // poorly at low light levels so we compensate for it by making an
     // assumption about the environment.
-    private static final boolean USE_TWILIGHT_ADJUSTMENT = true;
+    private static final boolean USE_TWILIGHT_ADJUSTMENT =
+            PowerManager.useTwilightAdjustmentFeature();
 
     // Specifies the maximum magnitude of the time of day adjustment.
     private static final float TWILIGHT_ADJUSTMENT_MAX_GAMMA = 1.5f;