Use accessibility pane API in keyguard

Using the new accessibility pane title API
to identify the pattern, pin, and password unlock
screens.

Bug: 73131182
Test: Verified that accessibility events are properly
sent when unlocking the phone with each of the lock
methods.
Change-Id: I32594f4736b503e7f9e3be96e9f77a84ffcadc54
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardHostView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardHostView.java
index f1a5ca9..474fc90 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardHostView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardHostView.java
@@ -197,16 +197,6 @@
         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;
     }
@@ -255,6 +245,10 @@
         }
     }
 
+    public CharSequence getAccessibilityTitleForCurrentMode() {
+        return mSecurityContainer.getTitle();
+    }
+
     public void userActivity() {
         if (mViewMediatorCallback != null) {
             mViewMediatorCallback.userActivity();
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardPasswordView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardPasswordView.java
index ff5f5e7..75c52d8 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardPasswordView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardPasswordView.java
@@ -361,4 +361,10 @@
         }
         return false;
     }
+
+    @Override
+    public CharSequence getTitle() {
+        return getContext().getString(
+                com.android.internal.R.string.keyguard_accessibility_password_unlock);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
index cb066a1..651831e 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
@@ -491,4 +491,10 @@
     public boolean hasOverlappingRendering() {
         return false;
     }
+
+    @Override
+    public CharSequence getTitle() {
+        return getContext().getString(
+                com.android.internal.R.string.keyguard_accessibility_pattern_unlock);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardPinBasedInputView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardPinBasedInputView.java
index 6539ccf..1d3f9a1 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardPinBasedInputView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardPinBasedInputView.java
@@ -252,4 +252,10 @@
         }
         return false;
     }
+
+    @Override
+    public CharSequence getTitle() {
+        return getContext().getString(
+                com.android.internal.R.string.keyguard_accessibility_pin_unlock);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
index 8dc4609..c3413d9 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -119,19 +119,8 @@
         return false;
     }
 
-    public void announceCurrentSecurityMethod() {
-        View v = (View) getSecurityView(mCurrentSecuritySelection);
-        if (v != null) {
-            v.announceForAccessibility(v.getContentDescription());
-        }
-    }
-
-    public CharSequence getCurrentSecurityModeContentDescription() {
-        View v = (View) getSecurityView(mCurrentSecuritySelection);
-        if (v != null) {
-            return v.getContentDescription();
-        }
-        return "";
+    public CharSequence getTitle() {
+        return mSecurityViewFlipper.getTitle();
     }
 
     private KeyguardSecurityView getSecurityView(SecurityMode securityMode) {
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityView.java
index 360dba3b..6e445ff 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityView.java
@@ -127,4 +127,12 @@
      *         animation started and {@code finishRunnable} will not be run
      */
     boolean startDisappearAnimation(Runnable finishRunnable);
+
+    /**
+     * The localized name of the security view, provided to accessibility. This may be the content
+     * description, but content descriptions have other implications, so the title is kept separate.
+     *
+     * @return The View's title.
+     */
+    CharSequence getTitle();
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityViewFlipper.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityViewFlipper.java
index a2ff8f7..3aede56 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityViewFlipper.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityViewFlipper.java
@@ -173,6 +173,15 @@
     }
 
     @Override
+    public CharSequence getTitle() {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            return ksv.getTitle();
+        }
+        return "";
+    }
+
+    @Override
     protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
         return p instanceof LayoutParams;
     }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSimPinView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSimPinView.java
index 703b205..c71c433 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSimPinView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSimPinView.java
@@ -390,5 +390,11 @@
     public boolean startDisappearAnimation(Runnable finishRunnable) {
         return false;
     }
+
+    @Override
+    public CharSequence getTitle() {
+        return getContext().getString(
+                com.android.internal.R.string.keyguard_accessibility_sim_pin_unlock);
+    }
 }
 
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukView.java
index 347c979..1b61568 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukView.java
@@ -460,6 +460,12 @@
     public boolean startDisappearAnimation(Runnable finishRunnable) {
         return false;
     }
+
+    @Override
+    public CharSequence getTitle() {
+        return getContext().getString(
+                com.android.internal.R.string.keyguard_accessibility_sim_puk_unlock);
+    }
 }
 
 
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 699e8cf..380c08e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
@@ -152,7 +152,6 @@
                 mKeyguardView.requestLayout();
             }
             mShowingSoon = false;
-            mKeyguardView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
         }
     };
 
@@ -264,6 +263,7 @@
         mStatusBarHeight = mRoot.getResources().getDimensionPixelOffset(
                 com.android.systemui.R.dimen.status_bar_height);
         mRoot.setVisibility(View.INVISIBLE);
+        mRoot.setAccessibilityPaneTitle(mKeyguardView.getAccessibilityTitleForCurrentMode());
 
         final WindowInsets rootInsets = mRoot.getRootWindowInsets();
         if (rootInsets != null) {