Merge commit '83eaf6cc' into HEAD

Change-Id: I13918ee8116ac17169910a1414de913bcc2d184e
diff --git a/packages/Keyguard/res/layout/keyguard_host_view.xml b/packages/Keyguard/res/layout/keyguard_host_view.xml
index 3635aff..7291cd4 100644
--- a/packages/Keyguard/res/layout/keyguard_host_view.xml
+++ b/packages/Keyguard/res/layout/keyguard_host_view.xml
@@ -26,7 +26,9 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:clipChildren="false"
-    android:clipToPadding="false">
+    android:clipToPadding="false"
+    android:importantForAccessibility="yes"> <!-- Needed because TYPE_WINDOW_STATE_CHANGED is sent
+                                                  from this view when bouncer is shown -->
 
     <com.android.keyguard.KeyguardSecurityContainer
         android:id="@+id/keyguard_security_container"
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
index c7bc04d..08f6991 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
@@ -29,6 +29,7 @@
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
+import android.view.accessibility.AccessibilityEvent;
 import android.widget.FrameLayout;
 
 import com.android.internal.widget.LockPatternUtils;
@@ -153,6 +154,16 @@
         return false;
     }
 
+    @Override
+    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
+        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
+            event.getText().add(mSecurityContainer.getCurrentSecurityModeContentDescription());
+            return true;
+        } else {
+            return super.dispatchPopulateAccessibilityEvent(event);
+        }
+    }
+
     protected KeyguardSecurityContainer getSecurityContainer() {
         return mSecurityContainer;
     }
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
index 61eef48..fb4f480 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -111,6 +111,14 @@
         }
     }
 
+    public CharSequence getCurrentSecurityModeContentDescription() {
+        View v = (View) getSecurityView(mCurrentSecuritySelection);
+        if (v != null) {
+            return v.getContentDescription();
+        }
+        return "";
+    }
+
     private KeyguardSecurityView getSecurityView(SecurityMode securityMode) {
         final int securityViewIdForMode = getSecurityViewIdForMode(securityMode);
         KeyguardSecurityView view = null;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
index fc4d7fe..262d955 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
@@ -22,6 +22,7 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.accessibility.AccessibilityEvent;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.KeyguardHostView;
@@ -85,6 +86,7 @@
             mKeyguardView.onResume();
             mKeyguardView.startAppearAnimation();
             mShowingSoon = false;
+            mKeyguardView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
         }
     };