Merge "Account for per-edge cutout for system gestures" into sc-qpr1-dev am: 9c7b64968d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15939153

Change-Id: Iba422cee9a11794bacf0b08dc78e516333a978f0

core/res/res/values/dimens.xml

@@ -58,6 +58,9 @@
     <!-- How much we expand the touchable region of the status bar below the notch to catch touches
          that just start below the notch. -->
     <dimen name="display_cutout_touchable_region_size">12dp</dimen>
+    <!-- The default margin used in immersive mode to capture the start of a swipe gesture from the
+         edge of the screen to show the system bars. -->
+    <dimen name="system_gestures_start_threshold">24dp</dimen>
 
     <!-- Height of the bottom navigation bar frame; this is different than navigation_bar_height
          where that is the height reported to all the other windows to resize themselves around the

core/res/res/values/symbols.xml

@@ -1744,6 +1744,7 @@
   <java-symbol type="dimen" name="navigation_bar_width_car_mode" />
   <java-symbol type="dimen" name="status_bar_height" />
   <java-symbol type="dimen" name="display_cutout_touchable_region_size" />
+  <java-symbol type="dimen" name="system_gestures_start_threshold" />
   <java-symbol type="dimen" name="quick_qs_offset_height" />
   <java-symbol type="drawable" name="ic_jog_dial_sound_off" />
   <java-symbol type="drawable" name="ic_jog_dial_sound_on" />

services/core/java/com/android/server/wm/DisplayPolicy.java

@@ -2998,6 +2998,7 @@ public class DisplayPolicy {
         pw.print(" mAllowLockscreenWhenOn="); pw.println(mAllowLockscreenWhenOn);
         pw.print(prefix); pw.print("mRemoteInsetsControllerControlsSystemBars=");
         pw.println(mDisplayContent.getInsetsPolicy().getRemoteInsetsControllerControlsSystemBars());
+        mSystemGestures.dump(pw, prefix);
 
         pw.print(prefix); pw.println("Looper state:");
         mHandler.getLooper().dump(new PrintWriterPrinter(pw), prefix + "  ");

services/core/java/com/android/server/wm/SystemGesturesPointerEventListener.java

@@ -16,6 +16,12 @@
 
 package com.android.server.wm;
 
+import static android.view.DisplayCutout.BOUNDS_POSITION_BOTTOM;
+import static android.view.DisplayCutout.BOUNDS_POSITION_LEFT;
+import static android.view.DisplayCutout.BOUNDS_POSITION_RIGHT;
+import static android.view.DisplayCutout.BOUNDS_POSITION_TOP;
+
+import android.annotation.NonNull;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Rect;
@@ -33,6 +39,8 @@ import android.view.MotionEvent;
 import android.view.WindowManagerPolicyConstants.PointerEventListener;
 import android.widget.OverScroller;
 
+import java.io.PrintWriter;
+
 /**
  * Listens for system-wide input gestures, firing callbacks when detected.
  * @hide
@@ -54,7 +62,8 @@ class SystemGesturesPointerEventListener implements PointerEventListener {
     private final Context mContext;
     private final Handler mHandler;
     private int mDisplayCutoutTouchableRegionSize;
-    private int mSwipeStartThreshold;
+    // The thresholds for each edge of the display
+    private final Rect mSwipeStartThreshold = new Rect();
     private int mSwipeDistanceThreshold;
     private final Callbacks mCallbacks;
     private final int[] mDownPointerId = new int[MAX_TRACKED_POINTERS];
@@ -66,7 +75,6 @@ class SystemGesturesPointerEventListener implements PointerEventListener {
 
     int screenHeight;
     int screenWidth;
-    private DisplayInfo mTmpDisplayInfo = new DisplayInfo();
     private int mDownPointers;
     private boolean mSwipeFireable;
     private boolean mDebugFireable;
@@ -88,25 +96,39 @@ class SystemGesturesPointerEventListener implements PointerEventListener {
 
     void onConfigurationChanged() {
         final Resources r = mContext.getResources();
+        final int defaultThreshold = r.getDimensionPixelSize(
+                com.android.internal.R.dimen.system_gestures_start_threshold);
+        mSwipeStartThreshold.set(defaultThreshold, defaultThreshold, defaultThreshold,
+                defaultThreshold);
+        mSwipeDistanceThreshold = defaultThreshold;
+
         final Display display = DisplayManagerGlobal.getInstance()
                 .getRealDisplay(Display.DEFAULT_DISPLAY);
-        display.getDisplayInfo(mTmpDisplayInfo);
-        mSwipeStartThreshold = mTmpDisplayInfo.logicalWidth > mTmpDisplayInfo.logicalHeight
-                ? r.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height_landscape)
-                : r.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height_portrait);
-
         final DisplayCutout displayCutout = display.getCutout();
         if (displayCutout != null) {
-            final Rect bounds = displayCutout.getBoundingRectTop();
+            // Expand swipe start threshold such that we can catch touches that just start beyond
-            if (!bounds.isEmpty()) {
-                // Expand swipe start threshold such that we can catch touches that just start below
             // the notch area
             mDisplayCutoutTouchableRegionSize = r.getDimensionPixelSize(
                     com.android.internal.R.dimen.display_cutout_touchable_region_size);
-                mSwipeStartThreshold += mDisplayCutoutTouchableRegionSize;
+            final Rect[] bounds = displayCutout.getBoundingRectsAll();
+            if (bounds[BOUNDS_POSITION_LEFT] != null) {
+                mSwipeStartThreshold.left = Math.max(mSwipeStartThreshold.left,
+                        bounds[BOUNDS_POSITION_LEFT].width() + mDisplayCutoutTouchableRegionSize);
+            }
+            if (bounds[BOUNDS_POSITION_TOP] != null) {
+                mSwipeStartThreshold.top = Math.max(mSwipeStartThreshold.top,
+                        bounds[BOUNDS_POSITION_TOP].height() + mDisplayCutoutTouchableRegionSize);
+            }
+            if (bounds[BOUNDS_POSITION_RIGHT] != null) {
+                mSwipeStartThreshold.right = Math.max(mSwipeStartThreshold.right,
+                        bounds[BOUNDS_POSITION_RIGHT].width() + mDisplayCutoutTouchableRegionSize);
+            }
+            if (bounds[BOUNDS_POSITION_BOTTOM] != null) {
+                mSwipeStartThreshold.bottom = Math.max(mSwipeStartThreshold.bottom,
+                        bounds[BOUNDS_POSITION_BOTTOM].height()
+                                + mDisplayCutoutTouchableRegionSize);
             }
         }
-        mSwipeDistanceThreshold = mSwipeStartThreshold;
         if (DEBUG) Slog.d(TAG,  "mSwipeStartThreshold=" + mSwipeStartThreshold
                 + " mSwipeDistanceThreshold=" + mSwipeDistanceThreshold);
     }
@@ -275,22 +297,22 @@ class SystemGesturesPointerEventListener implements PointerEventListener {
         final long elapsed = time - mDownTime[i];
         if (DEBUG) Slog.d(TAG, "pointer " + mDownPointerId[i]
                 + " moved (" + fromX + "->" + x + "," + fromY + "->" + y + ") in " + elapsed);
-        if (fromY <= mSwipeStartThreshold
+        if (fromY <= mSwipeStartThreshold.top
                 && y > fromY + mSwipeDistanceThreshold
                 && elapsed < SWIPE_TIMEOUT_MS) {
             return SWIPE_FROM_TOP;
         }
-        if (fromY >= screenHeight - mSwipeStartThreshold
+        if (fromY >= screenHeight - mSwipeStartThreshold.bottom
                 && y < fromY - mSwipeDistanceThreshold
                 && elapsed < SWIPE_TIMEOUT_MS) {
             return SWIPE_FROM_BOTTOM;
         }
-        if (fromX >= screenWidth - mSwipeStartThreshold
+        if (fromX >= screenWidth - mSwipeStartThreshold.right
                 && x < fromX - mSwipeDistanceThreshold
                 && elapsed < SWIPE_TIMEOUT_MS) {
             return SWIPE_FROM_RIGHT;
         }
-        if (fromX <= mSwipeStartThreshold
+        if (fromX <= mSwipeStartThreshold.left
                 && x > fromX + mSwipeDistanceThreshold
                 && elapsed < SWIPE_TIMEOUT_MS) {
             return SWIPE_FROM_LEFT;
@@ -298,6 +320,15 @@ class SystemGesturesPointerEventListener implements PointerEventListener {
         return SWIPE_NONE;
     }
 
+    public void dump(@NonNull PrintWriter pw, @NonNull String prefix) {
+        final String inner = prefix  + "  ";
+        pw.println(prefix + TAG + ":");
+        pw.print(inner); pw.print("mDisplayCutoutTouchableRegionSize=");
+        pw.println(mDisplayCutoutTouchableRegionSize);
+        pw.print(inner); pw.print("mSwipeStartThreshold="); pw.println(mSwipeStartThreshold);
+        pw.print(inner); pw.print("mSwipeDistanceThreshold="); pw.println(mSwipeDistanceThreshold);
+    }
+
     private final class FlingGestureDetector extends GestureDetector.SimpleOnGestureListener {
 
         private OverScroller mOverscroller;