Fix jank when pin/pattern is shown

- Only update layout params of status bar window when needed
- Do not update security method all the time, only when needed (only
  when reset gets called)
- Check for actual used security method when updating states for
  bouncer

Bug: 18505838
Change-Id: Ib3d0021c0cc364fa5598e06e0a2bae059ae79cbe

2 files changed, 9 insertions, 4 deletions

diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
index 979c377..faecaed 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -399,8 +399,6 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
                     showPrimarySecurityScreen(false);
                     break;
             }
-        } else {
-            showPrimarySecurityScreen(false);
         }
         if (finish) {
             mSecurityCallback.finish();
@@ -556,6 +554,10 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
         return mSecurityModel.getSecurityMode();
     }
 
+    public SecurityMode getCurrentSecurityMode() {
+        return mCurrentSecuritySelection;
+    }
+
     public void verifyUnlock() {
         mIsVerifyUnlockOnly = true;
         showSecurityScreen(getSecurityMode());
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardViewBase.java b/packages/Keyguard/src/com/android/keyguard/KeyguardViewBase.java
index e35b2b2..e1e1cfc 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardViewBase.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardViewBase.java
@@ -112,7 +112,7 @@ public abstract class KeyguardViewBase extends FrameLayout implements SecurityCa
     /**
      * Called when the view needs to be shown.
      */
-    public void show() {
+    public void showPrimarySecurityScreen() {
         if (DEBUG) Log.d(TAG, "show()");
         mSecurityContainer.showPrimarySecurityScreen(false);
     }
@@ -224,7 +224,6 @@ public abstract class KeyguardViewBase extends FrameLayout implements SecurityCa
      */
     public void onResume() {
         if (DEBUG) Log.d(TAG, "screen on, instance " + Integer.toHexString(hashCode()));
-        mSecurityContainer.showPrimarySecurityScreen(false);
         mSecurityContainer.onResume(KeyguardSecurityView.SCREEN_ON);
         requestFocus();
     }
@@ -473,6 +472,10 @@ public abstract class KeyguardViewBase extends FrameLayout implements SecurityCa
         return mSecurityContainer.getSecurityMode();
     }
 
+    public SecurityMode getCurrentSecurityMode() {
+        return mSecurityContainer.getCurrentSecurityMode();
+    }
+
     protected abstract void onUserSwitching(boolean switching);
 
     protected abstract void onCreateOptions(Bundle options);