Always inset the IME by the extra nav bar frame height

- If the taskbar is collapsed and isn't providing full insets to the
  app, we still want the IME to be inset for the nav button that shows

Fixes: 197727397
Test: Collapse taskbar, open IME
Change-Id: I9f2367344385c9a23e2d6323637a0b2d1713b169

core/java/android/view/WindowManager.java

@@ -3530,6 +3530,14 @@ public interface WindowManager extends ViewManager {
          */
         public Insets providedInternalInsets = Insets.NONE;
 
+        /**
+         * If specified, the insets provided by this window for the IME will be our window frame
+         * minus the insets specified by providedInternalImeInsets.
+         *
+         * @hide
+         */
+        public Insets providedInternalImeInsets = Insets.NONE;
+
         /**
          * {@link LayoutParams} to be applied to the window when layout with a assigned rotation.
          * This will make layout during rotation change smoothly.
@@ -3904,6 +3912,7 @@ public interface WindowManager extends ViewManager {
                 out.writeInt(0);
             }
             providedInternalInsets.writeToParcel(out, 0 /* parcelableFlags */);
+            providedInternalImeInsets.writeToParcel(out, 0 /* parcelableFlags */);
             if (paramsForRotation != null) {
                 checkNonRecursiveParams();
                 out.writeInt(paramsForRotation.length);
@@ -3983,6 +3992,7 @@ public interface WindowManager extends ViewManager {
                 in.readIntArray(providesInsetsTypes);
             }
             providedInternalInsets = Insets.CREATOR.createFromParcel(in);
+            providedInternalImeInsets = Insets.CREATOR.createFromParcel(in);
             int paramsForRotationLength = in.readInt();
             if (paramsForRotationLength > 0) {
                 paramsForRotation = new LayoutParams[paramsForRotationLength];
@@ -4289,6 +4299,11 @@ public interface WindowManager extends ViewManager {
                 changes |= LAYOUT_CHANGED;
             }
 
+            if (!providedInternalImeInsets.equals(o.providedInternalImeInsets)) {
+                providedInternalImeInsets = o.providedInternalImeInsets;
+                changes |= LAYOUT_CHANGED;
+            }
+
             if (!Arrays.equals(paramsForRotation, o.paramsForRotation)) {
                 paramsForRotation = o.paramsForRotation;
                 checkNonRecursiveParams();
@@ -4494,6 +4509,10 @@ public interface WindowManager extends ViewManager {
                 sb.append(" providedInternalInsets=");
                 sb.append(providedInternalInsets);
             }
+            if (!providedInternalImeInsets.equals(Insets.NONE)) {
+                sb.append(" providedInternalImeInsets=");
+                sb.append(providedInternalImeInsets);
+            }
             if (paramsForRotation != null && paramsForRotation.length != 0) {
                 sb.append(System.lineSeparator());
                 sb.append(prefix).append("  paramsForRotation=");

core/res/res/values/dimens.xml

@@ -55,6 +55,8 @@
     <dimen name="navigation_bar_height_landscape">48dp</dimen>
     <!-- Width of the navigation bar when it is placed vertically on the screen -->
     <dimen name="navigation_bar_width">48dp</dimen>
+    <!-- Height of the bottom taskbar not including decorations like rounded corners. -->
+    <dimen name="taskbar_frame_height">60dp</dimen>
     <!-- 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>

core/res/res/values/symbols.xml

@@ -1741,6 +1741,7 @@
   <java-symbol type="dimen" name="navigation_bar_height_car_mode" />
   <java-symbol type="dimen" name="navigation_bar_height_landscape_car_mode" />
   <java-symbol type="dimen" name="navigation_bar_width_car_mode" />
+  <java-symbol type="dimen" name="taskbar_frame_height" />
   <java-symbol type="dimen" name="status_bar_height" />
   <java-symbol type="dimen" name="display_cutout_touchable_region_size" />
   <java-symbol type="dimen" name="quick_qs_offset_height" />

libs/WindowManager/Shell/src/com/android/wm/shell/common/split/DividerView.java

@@ -58,16 +58,8 @@ public class DividerView extends FrameLayout implements View.OnTouchListener {
     // TODO(b/191269755): use the value defined in InsetsController.
     private static final int ANIMATION_DURATION_RESIZE = 300;
 
-    /**
-     * The task bar height defined in launcher. Used to determine whether to insets divider bounds
-     * or not.
-     */
-    private static final int EXPANDED_TASK_BAR_HEIGHT_IN_DP = 60;
-
     /** The task bar expanded height. Used to determine whether to insets divider bounds or not. */
-    private final float mExpandedTaskBarHeight = TypedValue.applyDimension(
-            TypedValue.COMPLEX_UNIT_DIP, EXPANDED_TASK_BAR_HEIGHT_IN_DP,
-            getResources().getDisplayMetrics());
+    private float mExpandedTaskBarHeight;
 
     private final int mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
 
@@ -167,6 +159,8 @@ public class DividerView extends FrameLayout implements View.OnTouchListener {
         mDividerBar = findViewById(R.id.divider_bar);
         mHandle = findViewById(R.id.docked_divider_handle);
         mBackground = findViewById(R.id.docked_divider_background);
+        mExpandedTaskBarHeight = getResources().getDimensionPixelSize(
+                com.android.internal.R.dimen.taskbar_frame_height);
         mTouchElevation = getResources().getDimensionPixelSize(
                 R.dimen.docked_stack_divider_lift_elevation);
         mDoubleTapDetector = new GestureDetector(getContext(), new DoubleTapListener());

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

@@ -1175,6 +1175,12 @@ public class DisplayPolicy {
             default:
                 if (attrs.providesInsetsTypes != null) {
                     for (@InternalInsetsType int insetsType : attrs.providesInsetsTypes) {
+                        final TriConsumer<DisplayFrames, WindowState, Rect> imeFrameProvider =
+                                !attrs.providedInternalImeInsets.equals(Insets.NONE)
+                                    ? (displayFrames, windowState, inOutFrame) ->
+                                            inOutFrame.inset(windowState.getLayoutingAttrs(
+                                                displayFrames.mRotation).providedInternalImeInsets)
+                                    : null;
                         switch (insetsType) {
                             case ITYPE_STATUS_BAR:
                                 mStatusBarAlt = win;
@@ -1194,12 +1200,13 @@ public class DisplayPolicy {
                                 break;
                         }
                         if (!INSETS_LAYOUT_GENERALIZATION) {
-                            mDisplayContent.setInsetProvider(insetsType, win, null);
+                            mDisplayContent.setInsetProvider(insetsType, win, null,
+                                    imeFrameProvider);
                         } else {
                             mDisplayContent.setInsetProvider(insetsType, win, (displayFrames,
                                     windowState, inOutFrame) -> inOutFrame.inset(
                                             windowState.getLayoutingAttrs(displayFrames.mRotation)
-                                                    .providedInternalInsets));
+                                                    .providedInternalInsets), imeFrameProvider);
                         }
                     }
                 }