Merge "Talkback for focus on collapsed bubble stack" into qt-dev

packages/SystemUI/src/com/android/systemui/bubbles/Bubble.java

@@ -18,6 +18,9 @@ package com.android.systemui.bubbles;
 
 import static com.android.internal.annotations.VisibleForTesting.Visibility.PRIVATE;
 
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.view.LayoutInflater;
 
@@ -37,6 +40,7 @@ class Bubble {
 
     private final String mKey;
     private final String mGroupId;
+    private String mAppName;
     private final BubbleExpandedView.OnBubbleBlockedListener mListener;
 
     private boolean mInflated;
@@ -45,6 +49,7 @@ class Bubble {
     BubbleExpandedView expandedView;
     private long mLastUpdated;
     private long mLastAccessed;
+    private PackageManager mPm;
 
     public static String groupId(NotificationEntry entry) {
         UserHandle user = entry.notification.getUser();
@@ -53,16 +58,33 @@ class Bubble {
 
     /** Used in tests when no UI is required. */
     @VisibleForTesting(visibility = PRIVATE)
-    Bubble(NotificationEntry e) {
+    Bubble(Context context, NotificationEntry e) {
-        this (e, null);
+        this (context, e, null);
     }
 
-    Bubble(NotificationEntry e, BubbleExpandedView.OnBubbleBlockedListener listener) {
+    Bubble(Context context, NotificationEntry e,
+            BubbleExpandedView.OnBubbleBlockedListener listener) {
         entry = e;
         mKey = e.key;
         mLastUpdated = e.notification.getPostTime();
         mGroupId = groupId(e);
         mListener = listener;
+
+        mPm = context.getPackageManager();
+        ApplicationInfo info;
+        try {
+            info = mPm.getApplicationInfo(
+                entry.notification.getPackageName(),
+                PackageManager.MATCH_UNINSTALLED_PACKAGES
+                    | PackageManager.MATCH_DISABLED_COMPONENTS
+                    | PackageManager.MATCH_DIRECT_BOOT_UNAWARE
+                    | PackageManager.MATCH_DIRECT_BOOT_AWARE);
+            if (info != null) {
+                mAppName = String.valueOf(mPm.getApplicationLabel(info));
+            }
+        } catch (PackageManager.NameNotFoundException unused) {
+            mAppName = entry.notification.getPackageName();
+        }
     }
 
     public String getKey() {
@@ -77,6 +99,10 @@ class Bubble {
         return entry.notification.getPackageName();
     }
 
+    public String getAppName() {
+        return mAppName;
+    }
+
     boolean isInflated() {
         return mInflated;
     }
@@ -97,9 +123,9 @@ class Bubble {
 
         expandedView = (BubbleExpandedView) inflater.inflate(
                 R.layout.bubble_expanded_view, stackView, false /* attachToRoot */);
-        expandedView.setEntry(entry, stackView);
+        expandedView.setEntry(entry, stackView, mAppName);
-
         expandedView.setOnBlockedListener(mListener);
+
         mInflated = true;
     }
 

packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java

@@ -193,7 +193,7 @@ public class BubbleController implements ConfigurationController.ConfigurationLi
             if (shouldCollapse) {
                 collapseStack();
             }
-            updateVisibility();
+            updateStack();
         }
     }
 
@@ -534,10 +534,11 @@ public class BubbleController implements ConfigurationController.ConfigurationLi
             }
         }
 
+        // Runs on state change.
         @Override
         public void apply() {
             mNotificationEntryManager.updateNotifications();
-            updateVisibility();
+            updateStack();
 
             if (DEBUG) {
                 Log.d(TAG, "[BubbleData]");
@@ -554,34 +555,31 @@ public class BubbleController implements ConfigurationController.ConfigurationLi
     };
 
     /**
-     * Lets any listeners know if bubble state has changed.
+     * Updates the visibility of the bubbles based on current state.
+     * Does not un-bubble, just hides or un-hides. Notifies any
+     * {@link BubbleStateChangeListener}s of visibility changes.
+     * Updates stack description for TalkBack focus.
      */
-    private void updateBubblesShowing() {
+    public void updateStack() {
         if (mStackView == null) {
             return;
         }
-
-        boolean hadBubbles = mStatusBarWindowController.getBubblesShowing();
-        boolean hasBubblesShowing = hasBubbles() && mStackView.getVisibility() == VISIBLE;
-        mStatusBarWindowController.setBubblesShowing(hasBubblesShowing);
-        if (mStateChangeListener != null && hadBubbles != hasBubblesShowing) {
-            mStateChangeListener.onHasBubblesChanged(hasBubblesShowing);
-        }
-    }
-
-    /**
-     * Updates the visibility of the bubbles based on current state.
-     * Does not un-bubble, just hides or un-hides. Will notify any
-     * {@link BubbleStateChangeListener}s if visibility changes.
-     */
-    public void updateVisibility() {
         if (mStatusBarStateListener.getCurrentState() == SHADE && hasBubbles()) {
             // Bubbles only appear in unlocked shade
             mStackView.setVisibility(hasBubbles() ? VISIBLE : INVISIBLE);
         } else if (mStackView != null) {
             mStackView.setVisibility(INVISIBLE);
         }
-        updateBubblesShowing();
+
+        // Let listeners know if bubble state changed.
+        boolean hadBubbles = mStatusBarWindowController.getBubblesShowing();
+        boolean hasBubblesShowing = hasBubbles() && mStackView.getVisibility() == VISIBLE;
+        mStatusBarWindowController.setBubblesShowing(hasBubblesShowing);
+        if (mStateChangeListener != null && hadBubbles != hasBubblesShowing) {
+            mStateChangeListener.onHasBubblesChanged(hasBubblesShowing);
+        }
+
+        mStackView.updateContentDescription();
     }
 
     /**

packages/SystemUI/src/com/android/systemui/bubbles/BubbleData.java

@@ -178,7 +178,7 @@ public class BubbleData {
         Bubble bubble = getBubbleWithKey(entry.key);
         if (bubble == null) {
             // Create a new bubble
-            bubble = new Bubble(entry, this::onBubbleBlocked);
+            bubble = new Bubble(mContext, entry, this::onBubbleBlocked);
             doAdd(bubble);
             trim();
         } else {

packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java

@@ -244,9 +244,10 @@ public class BubbleExpandedView extends LinearLayout implements View.OnClickList
     /**
      * Sets the notification entry used to populate this view.
      */
-    public void setEntry(NotificationEntry entry, BubbleStackView stackView) {
+    public void setEntry(NotificationEntry entry, BubbleStackView stackView, String appName) {
         mStackView = stackView;
         mEntry = entry;
+        mAppName = appName;
 
         ApplicationInfo info;
         try {
@@ -257,12 +258,10 @@ public class BubbleExpandedView extends LinearLayout implements View.OnClickList
                             | PackageManager.MATCH_DIRECT_BOOT_UNAWARE
                             | PackageManager.MATCH_DIRECT_BOOT_AWARE);
             if (info != null) {
-                mAppName = String.valueOf(mPm.getApplicationLabel(info));
                 mAppIcon = mPm.getApplicationIcon(info);
             }
         } catch (PackageManager.NameNotFoundException e) {
-            // Ahh... just use package name
+            // Do nothing.
-            mAppName = entry.notification.getPackageName();
         }
         if (mAppIcon == null) {
             mAppIcon = mPm.getDefaultActivityIcon();

packages/SystemUI/src/com/android/systemui/bubbles/BubbleStackView.java

@@ -23,6 +23,7 @@ import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.annotation.NonNull;
+import android.app.Notification;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.ColorMatrix;
@@ -553,6 +554,43 @@ public class BubbleStackView extends FrameLayout {
         return false;
     }
 
+    /**
+     * Update content description for a11y TalkBack.
+     */
+    public void updateContentDescription() {
+        if (mBubbleData.getBubbles().isEmpty()) {
+            return;
+        }
+        Bubble topBubble = mBubbleData.getBubbles().get(0);
+        String appName = topBubble.getAppName();
+        Notification notification = topBubble.entry.notification.getNotification();
+        CharSequence titleCharSeq = notification.extras.getCharSequence(Notification.EXTRA_TITLE);
+        String titleStr = getResources().getString(R.string.stream_notification);
+        if (titleCharSeq != null) {
+            titleStr = titleCharSeq.toString();
+        }
+        int moreCount = mBubbleContainer.getChildCount() - 1;
+
+        // Example: Title from app name.
+        String singleDescription = getResources().getString(
+                R.string.bubble_content_description_single, titleStr, appName);
+
+        // Example: Title from app name and 4 more.
+        String stackDescription = getResources().getString(
+                R.string.bubble_content_description_stack, titleStr, appName, moreCount);
+
+        if (mIsExpanded) {
+            // TODO(b/129522932) - update content description for each bubble in expanded view.
+        } else {
+            // Collapsed stack.
+            if (moreCount > 0) {
+                mBubbleContainer.setContentDescription(stackDescription);
+            } else {
+                mBubbleContainer.setContentDescription(singleDescription);
+            }
+        }
+    }
+
     private void updateSystemGestureExcludeRects() {
         // Exclude the region occupied by the first BubbleView in the stack
         Rect excludeZone = mSystemGestureExclusionRects.get(0);

packages/SystemUI/tests/src/com/android/systemui/bubbles/BubbleDataTest.java

@@ -103,13 +103,13 @@ public class BubbleDataTest extends SysuiTestCase {
         mEntryB3 = createBubbleEntry(1, "b3", "package.b");
         mEntryC1 = createBubbleEntry(1, "c1", "package.c");
 
-        mBubbleA1 = new Bubble(mEntryA1);
+        mBubbleA1 = new Bubble(mContext, mEntryA1);
-        mBubbleA2 = new Bubble(mEntryA2);
+        mBubbleA2 = new Bubble(mContext, mEntryA2);
-        mBubbleA3 = new Bubble(mEntryA3);
+        mBubbleA3 = new Bubble(mContext, mEntryA3);
-        mBubbleB1 = new Bubble(mEntryB1);
+        mBubbleB1 = new Bubble(mContext, mEntryB1);
-        mBubbleB2 = new Bubble(mEntryB2);
+        mBubbleB2 = new Bubble(mContext, mEntryB2);
-        mBubbleB3 = new Bubble(mEntryB3);
+        mBubbleB3 = new Bubble(mContext, mEntryB3);
-        mBubbleC1 = new Bubble(mEntryC1);
+        mBubbleC1 = new Bubble(mContext, mEntryC1);
 
         mBubbleData = new BubbleData(getContext());
 
@@ -803,4 +803,4 @@ public class BubbleDataTest extends SysuiTestCase {
     private static <T> List<T> listOf(T... a) {
         return ImmutableList.copyOf(a);
     }
-}
+}