Merge "Add support for keyboard shortcuts panel on TV"

packages/SystemUI/res/drawable/list_item_background.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2023 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_focused="true" android:drawable="@*android:drawable/list_choice_background_material" />
+    <item android:drawable="@android:color/transparent" />
+</selector>

packages/SystemUI/res/layout/keyboard_shortcut_app_item.xml

@@ -17,6 +17,8 @@
 <com.android.systemui.statusbar.KeyboardShortcutAppItemLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:orientation="horizontal"
+        android:background="@drawable/list_item_background"
+        android:focusable="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:minHeight="48dp"
@@ -55,6 +57,5 @@
             android:layout_alignParentEnd="true"
             android:textSize="14sp"
             android:scrollHorizontally="false"
-            android:layout_centerVertical="true"
-            android:focusable="true"/>
+            android:layout_centerVertical="true"/>
 </com.android.systemui.statusbar.KeyboardShortcutAppItemLayout>

packages/SystemUI/res/layout/keyboard_shortcuts_category_title.xml

@@ -16,10 +16,11 @@
   ~ limitations under the License
   -->
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-          android:layout_width="wrap_content"
+          android:layout_width="match_parent"
           android:layout_height="match_parent"
           android:textSize="14sp"
           android:fontFamily="sans-serif-medium"
+          android:importantForAccessibility="yes"
           android:paddingStart="24dp"
           android:paddingTop="20dp"
           android:paddingEnd="24dp"

packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java

@@ -440,10 +440,15 @@ public final class KeyboardShortcuts {
                 mContext.getString(R.string.keyboard_shortcut_group_system_back),
                 KeyEvent.KEYCODE_DEL,
                 KeyEvent.META_META_ON));
-        systemGroup.addItem(new KeyboardShortcutInfo(
-                mContext.getString(R.string.keyboard_shortcut_group_system_recents),
-                KeyEvent.KEYCODE_TAB,
-                KeyEvent.META_ALT_ON));
+
+        // Some devices (like TV) don't have recents
+        if (mContext.getResources().getBoolean(com.android.internal.R.bool.config_hasRecents)) {
+            systemGroup.addItem(new KeyboardShortcutInfo(
+                    mContext.getString(R.string.keyboard_shortcut_group_system_recents),
+                    KeyEvent.KEYCODE_TAB,
+                    KeyEvent.META_ALT_ON));
+        }
+
         systemGroup.addItem(new KeyboardShortcutInfo(
                 mContext.getString(
                         R.string.keyboard_shortcut_group_system_notifications),
@@ -683,8 +688,10 @@ public final class KeyboardShortcuts {
                 ViewGroup shortcutItemsContainer = (ViewGroup) shortcutView
                         .findViewById(R.id.keyboard_shortcuts_item_container);
                 final int shortcutKeysSize = shortcutKeys.size();
+                final List<String> humanReadableShortcuts = new ArrayList<>();
                 for (int k = 0; k < shortcutKeysSize; k++) {
                     StringDrawableContainer shortcutRepresentation = shortcutKeys.get(k);
+                    humanReadableShortcuts.add(shortcutRepresentation.mString);
                     if (shortcutRepresentation.mDrawable != null) {
                         ImageView shortcutKeyIconView = (ImageView) inflater.inflate(
                                 R.layout.keyboard_shortcuts_key_icon_view, shortcutItemsContainer,
@@ -714,6 +721,11 @@ public final class KeyboardShortcuts {
                         shortcutItemsContainer.addView(shortcutKeyTextView);
                     }
                 }
+                CharSequence contentDescription = info.getLabel();
+                if (!humanReadableShortcuts.isEmpty()) {
+                    contentDescription += ": " + String.join(", ", humanReadableShortcuts);
+                }
+                shortcutView.setContentDescription(contentDescription);
                 shortcutContainer.addView(shortcutView);
             }
             keyboardShortcutsLayout.addView(shortcutContainer);

packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java

@@ -27,11 +27,12 @@ import com.android.systemui.CoreStartable;
 import com.android.systemui.assist.AssistManager;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.statusbar.CommandQueue;
-
-import javax.inject.Inject;
+import com.android.systemui.statusbar.KeyboardShortcuts;
 
 import dagger.Lazy;
 
+import javax.inject.Inject;
+
 /**
  * Status bar implementation for "large screen" products that mostly present no on-screen nav.
  * Serves as a collection of UI components, rather than showing its own UI.
@@ -78,4 +79,9 @@ public class TvStatusBar implements CoreStartable, CommandQueue.Callbacks {
                 new Intent(ACTION_SHOW_PIP_MENU).setPackage(mContext.getPackageName()),
                 SYSTEMUI_PERMISSION);
     }
+
+    @Override
+    public void toggleKeyboardShortcutsMenu(int deviceId) {
+        KeyboardShortcuts.show(mContext, deviceId);
+    }
 }

packages/SystemUI/src/com/android/systemui/tv/TvSystemUIModule.java

@@ -48,6 +48,7 @@ import com.android.systemui.shade.ShadeController;
 import com.android.systemui.shade.ShadeControllerImpl;
 import com.android.systemui.shade.ShadeExpansionStateManager;
 import com.android.systemui.statusbar.CommandQueue;
+import com.android.systemui.statusbar.KeyboardShortcutsModule;
 import com.android.systemui.statusbar.NotificationListener;
 import com.android.systemui.statusbar.NotificationLockscreenUserManager;
 import com.android.systemui.statusbar.NotificationLockscreenUserManagerImpl;
@@ -96,6 +97,7 @@ import javax.inject.Named;
                 ReferenceScreenshotModule.class,
                 StatusBarEventsModule.class,
                 VolumeModule.class,
+                KeyboardShortcutsModule.class
         }
 )
 public abstract class TvSystemUIModule {