From cb93ec5f2150be6cbe845d33f2117aa2c67c3c22 Mon Sep 17 00:00:00 2001
From: Tracy Zhou <tracyzhou@google.com>
Date: Fri, 31 Mar 2023 22:51:17 -0700
Subject: [PATCH] Support second meta key closing the all apps tray

Bug: 270244718
Test: Tap meta key twice, see all apps tray open an close
Change-Id: I6db84aa16b7d21663053bf1b269af6ba36874e47
---
 .../android/quickstep/TouchInteractionService.java  |  3 ++-
 src/com/android/launcher3/Launcher.java             | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 5e14d19fd0..9102f2f444 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -22,6 +22,7 @@ import static android.view.MotionEvent.ACTION_POINTER_DOWN;
 import static android.view.MotionEvent.ACTION_POINTER_UP;
 import static android.view.MotionEvent.ACTION_UP;
 
+import static com.android.launcher3.Launcher.INTENT_ACTION_ALL_APPS_TOGGLE;
 import static com.android.launcher3.MotionEventsUtils.isTrackpadMultiFingerSwipe;
 import static com.android.launcher3.config.FeatureFlags.ASSISTANT_GIVES_LAUNCHER_FOCUS;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
@@ -514,7 +515,7 @@ public class TouchInteractionService extends Service
 
         if (isHomeAndOverviewSame) {
             Intent intent = new Intent(mOverviewComponentObserver.getHomeIntent())
-                    .setAction(Intent.ACTION_ALL_APPS);
+                    .setAction(INTENT_ACTION_ALL_APPS_TOGGLE);
             RemoteAction allAppsAction = new RemoteAction(
                     Icon.createWithResource(this, R.drawable.ic_apps),
                     getString(R.string.all_apps_label),
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 2e382c8799..4f7380a20e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -289,6 +289,9 @@ public class Launcher extends StatefulActivity<LauncherState>
     // Type PendingSplitSelectInfo<Parcelable>
     protected static final String PENDING_SPLIT_SELECT_INFO = "launcher.pending_split_select_info";
 
+    public static final String INTENT_ACTION_ALL_APPS_TOGGLE =
+            "launcher.intent_action_all_apps_toggle";
+
     public static final String ON_CREATE_EVT = "Launcher.onCreate";
     public static final String ON_START_EVT = "Launcher.onStart";
     public static final String ON_RESUME_EVT = "Launcher.onResume";
@@ -1692,6 +1695,8 @@ public class Launcher extends StatefulActivity<LauncherState>
             handleGestureContract(intent);
         } else if (Intent.ACTION_ALL_APPS.equals(intent.getAction())) {
             showAllAppsFromIntent(alreadyOnHome);
+        } else if (INTENT_ACTION_ALL_APPS_TOGGLE.equals(intent.getAction())) {
+            toggleAllAppsFromIntent(alreadyOnHome);
         } else if (Intent.ACTION_SHOW_WORK_APPS.equals(intent.getAction())) {
             showAllAppsWorkTabFromIntent(alreadyOnHome);
         }
@@ -1699,6 +1704,14 @@ public class Launcher extends StatefulActivity<LauncherState>
         TraceHelper.INSTANCE.endSection(traceToken);
     }
 
+    protected void toggleAllAppsFromIntent(boolean alreadyOnHome) {
+        if (getStateManager().isInStableState(ALL_APPS)) {
+            getStateManager().goToState(NORMAL, alreadyOnHome);
+        } else {
+            showAllAppsFromIntent(alreadyOnHome);
+        }
+    }
+
     protected void showAllAppsFromIntent(boolean alreadyOnHome) {
         AbstractFloatingView.closeAllOpenViews(this);
         getStateManager().goToState(ALL_APPS, alreadyOnHome);