Merge "Support 3-finger swipe down on the home screen to pull down notifications" into udc-dev

quickstep/src/com/android/quickstep/InputConsumer.java

@@ -40,6 +40,7 @@ public interface InputConsumer {
     int TYPE_SYSUI_OVERLAY = 1 << 10;
     int TYPE_ONE_HANDED = 1 << 11;
     int TYPE_TASKBAR_STASH = 1 << 12;
+    int TYPE_STATUS_BAR = 1 << 13;
 
     String[] NAMES = new String[] {
            "TYPE_NO_OP",                    // 0
@@ -55,6 +56,7 @@ public interface InputConsumer {
             "TYPE_SYSUI_OVERLAY",           // 10
             "TYPE_ONE_HANDED",              // 11
             "TYPE_TASKBAR_STASH",           // 12
+            "TYPE_STATUS_BAR",              // 13
     };
 
     InputConsumer NO_OP = () -> TYPE_NO_OP;

quickstep/src/com/android/quickstep/TouchInteractionService.java

@@ -26,6 +26,7 @@ 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.config.FeatureFlags.ENABLE_TRACKPAD_GESTURE;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.quickstep.GestureState.DEFAULT_STATE;
 import static com.android.quickstep.util.ActiveGestureErrorDetector.GestureEvent.FLAG_USING_OTHER_ACTIVITY_INPUT_CONSUMER;
@@ -106,6 +107,7 @@ import com.android.quickstep.inputconsumers.OverviewWithoutFocusInputConsumer;
 import com.android.quickstep.inputconsumers.ProgressDelegateInputConsumer;
 import com.android.quickstep.inputconsumers.ResetGestureInputConsumer;
 import com.android.quickstep.inputconsumers.ScreenPinnedInputConsumer;
+import com.android.quickstep.inputconsumers.StatusBarInputConsumer;
 import com.android.quickstep.inputconsumers.SysUiOverlayInputConsumer;
 import com.android.quickstep.inputconsumers.TaskbarStashInputConsumer;
 import com.android.quickstep.util.ActiveGestureLog;
@@ -857,7 +859,14 @@ public class TouchInteractionService extends Service
                         getBaseContext(), mDeviceState, mInputMonitorCompat);
             }
 
-
+            if (ENABLE_TRACKPAD_GESTURE.get() && mGestureState.isTrackpadGesture()
+                    && mGestureState.getActivityInterface().isResumed()
+                    && !previousGestureState.isRecentsAnimationRunning()) {
+                reasonString = newCompoundString(reasonPrefix)
+                        .append(SUBSTRING_PREFIX)
+                        .append("Trackpad 3-finger gesture, using StatusBarInputConsumer");
+                base = new StatusBarInputConsumer(getBaseContext(), base, mInputMonitorCompat);
+            }
 
             if (mDeviceState.isScreenPinningActive()) {
                 reasonString = newCompoundString(reasonPrefix)

quickstep/src/com/android/quickstep/inputconsumers/StatusBarInputConsumer.java

@@ -0,0 +1,76 @@
+/*
+ * 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.
+ */
+package com.android.quickstep.inputconsumers;
+
+import static android.view.MotionEvent.ACTION_DOWN;
+import static android.view.MotionEvent.ACTION_MOVE;
+
+import android.content.Context;
+import android.graphics.PointF;
+import android.view.MotionEvent;
+import android.view.ViewConfiguration;
+
+import com.android.quickstep.InputConsumer;
+import com.android.quickstep.SystemUiProxy;
+import com.android.systemui.shared.system.InputMonitorCompat;
+
+/** Allows the status bar to be pull down for notification shade */
+public class StatusBarInputConsumer extends DelegateInputConsumer {
+
+    private final SystemUiProxy mSystemUiProxy;
+    private final float mTouchSlop;
+    private final PointF mDown = new PointF();
+
+    public StatusBarInputConsumer(Context context, InputConsumer delegate,
+            InputMonitorCompat inputMonitor) {
+        super(delegate, inputMonitor);
+
+        mSystemUiProxy = SystemUiProxy.INSTANCE.get(context);
+        mTouchSlop = 2 * ViewConfiguration.get(context).getScaledTouchSlop();
+    }
+
+    @Override
+    public int getType() {
+        return TYPE_STATUS_BAR | mDelegate.getType();
+    }
+
+    @Override
+    public void onMotionEvent(MotionEvent ev) {
+        if (mState != STATE_ACTIVE) {
+            mDelegate.onMotionEvent(ev);
+
+            switch (ev.getActionMasked()) {
+                case ACTION_DOWN -> mDown.set(ev.getX(), ev.getY());
+                case ACTION_MOVE -> {
+                    float displacementY = ev.getY() - mDown.y;
+                    if (displacementY > mTouchSlop) {
+                        setActive(ev);
+                        ev.setAction(ACTION_DOWN);
+                        dispatchTouchEvent(ev);
+                    }
+                }
+            }
+        } else {
+            dispatchTouchEvent(ev);
+        }
+    }
+
+    private void dispatchTouchEvent(MotionEvent ev) {
+        if (mSystemUiProxy.isActive()) {
+            mSystemUiProxy.onStatusBarMotionEvent(ev);
+        }
+    }
+}