Merge "Check the min menu size when exp. to normal bounds" into sc-dev am: 47aa9f156e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15144952

Change-Id: Ia71b09b4d17c648eb5c28d155f7b02ecc64b6f81

libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipBoundsAlgorithm.java

@@ -19,6 +19,7 @@ package com.android.wm.shell.pip;
 import static android.util.TypedValue.COMPLEX_UNIT_DIP;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.app.PictureInPictureParams;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
@@ -453,6 +454,56 @@ public class PipBoundsAlgorithm {
         return new Size(width, height);
     }
 
+    /**
+     * @return the normal bounds adjusted so that they fit the menu actions.
+     */
+    public Rect adjustNormalBoundsToFitMenu(@NonNull Rect normalBounds,
+            @Nullable Size minMenuSize) {
+        if (minMenuSize == null) {
+            return normalBounds;
+        }
+        if (normalBounds.width() >= minMenuSize.getWidth()
+                && normalBounds.height() >= minMenuSize.getHeight()) {
+            // The normal bounds can fit the menu as is, no need to adjust the bounds.
+            return normalBounds;
+        }
+        final Rect adjustedNormalBounds = new Rect();
+        final boolean needsWidthAdj = minMenuSize.getWidth() > normalBounds.width();
+        final boolean needsHeightAdj = minMenuSize.getHeight() > normalBounds.height();
+        final int adjWidth;
+        final int adjHeight;
+        if (needsWidthAdj && needsHeightAdj) {
+            // Both the width and the height are too small - find the edge that needs the larger
+            // adjustment and scale that edge. The other edge will scale beyond the minMenuSize
+            // when the aspect ratio is applied.
+            final float widthScaleFactor =
+                    ((float) (minMenuSize.getWidth())) / ((float) (normalBounds.width()));
+            final float heightScaleFactor =
+                    ((float) (minMenuSize.getHeight())) / ((float) (normalBounds.height()));
+            if (widthScaleFactor > heightScaleFactor) {
+                adjWidth = minMenuSize.getWidth();
+                adjHeight = Math.round(adjWidth / mPipBoundsState.getAspectRatio());
+            } else {
+                adjHeight = minMenuSize.getHeight();
+                adjWidth = Math.round(adjHeight * mPipBoundsState.getAspectRatio());
+            }
+        } else if (needsWidthAdj) {
+            // Width is too small - use the min menu size width instead.
+            adjWidth = minMenuSize.getWidth();
+            adjHeight = Math.round(adjWidth / mPipBoundsState.getAspectRatio());
+        } else {
+            // Height is too small - use the min menu size height instead.
+            adjHeight = minMenuSize.getHeight();
+            adjWidth = Math.round(adjHeight * mPipBoundsState.getAspectRatio());
+        }
+        adjustedNormalBounds.set(0, 0, adjWidth, adjHeight);
+        // Make sure the bounds conform to the aspect ratio and min edge size.
+        transformBoundsToAspectRatio(adjustedNormalBounds,
+                mPipBoundsState.getAspectRatio(), true /* useCurrentMinEdgeSize */,
+                true /* useCurrentSize */);
+        return adjustedNormalBounds;
+    }
+
     /**
      * Dumps internal states.
      */

libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipTouchHandler.java

@@ -726,12 +726,17 @@ public class PipTouchHandler {
     }
 
     private void animateToNormalSize(Runnable callback) {
+        // Save the current bounds as the user-resize bounds.
         mPipResizeGestureHandler.setUserResizeBounds(mPipBoundsState.getBounds());
-        final Rect normalBounds = new Rect(mPipBoundsState.getNormalBounds());
+
+        final Size minMenuSize = mMenuController.getEstimatedMinMenuSize();
+        final Rect normalBounds = mPipBoundsState.getNormalBounds();
+        final Rect destBounds = mPipBoundsAlgorithm.adjustNormalBoundsToFitMenu(normalBounds,
+                minMenuSize);
         Rect restoredMovementBounds = new Rect();
-        mPipBoundsAlgorithm.getMovementBounds(normalBounds,
+        mPipBoundsAlgorithm.getMovementBounds(destBounds,
                 mInsetBounds, restoredMovementBounds, mIsImeShowing ? mImeHeight : 0);
-        mSavedSnapFraction = mMotionHelper.animateToExpandedState(normalBounds,
+        mSavedSnapFraction = mMotionHelper.animateToExpandedState(destBounds,
                 mPipBoundsState.getMovementBounds(), restoredMovementBounds, callback);
     }
 

libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/PipBoundsAlgorithmTest.java

@@ -402,6 +402,64 @@ public class PipBoundsAlgorithmTest extends ShellTestCase {
         assertBoundsInclusionWithMargin("useDefaultBounds", defaultBounds, actualBounds);
     }
 
+    @Test
+    public void adjustNormalBoundsToFitMenu_alreadyFits() {
+        final Rect normalBounds = new Rect(0, 0, 400, 711);
+        final Size minMenuSize = new Size(396, 292);
+        mPipBoundsState.setAspectRatio(
+                ((float) normalBounds.width()) / ((float) normalBounds.height()));
+
+        final Rect bounds =
+                mPipBoundsAlgorithm.adjustNormalBoundsToFitMenu(normalBounds, minMenuSize);
+
+        assertEquals(normalBounds, bounds);
+    }
+
+    @Test
+    public void adjustNormalBoundsToFitMenu_widthTooSmall() {
+        final Rect normalBounds = new Rect(0, 0, 297, 528);
+        final Size minMenuSize = new Size(396, 292);
+        mPipBoundsState.setAspectRatio(
+                ((float) normalBounds.width()) / ((float) normalBounds.height()));
+
+        final Rect bounds =
+                mPipBoundsAlgorithm.adjustNormalBoundsToFitMenu(normalBounds, minMenuSize);
+
+        assertEquals(minMenuSize.getWidth(), bounds.width());
+        assertEquals(minMenuSize.getWidth() / mPipBoundsState.getAspectRatio(),
+                bounds.height(), 0.3f);
+    }
+
+    @Test
+    public void adjustNormalBoundsToFitMenu_heightTooSmall() {
+        final Rect normalBounds = new Rect(0, 0, 400, 280);
+        final Size minMenuSize = new Size(396, 292);
+        mPipBoundsState.setAspectRatio(
+                ((float) normalBounds.width()) / ((float) normalBounds.height()));
+
+        final Rect bounds =
+                mPipBoundsAlgorithm.adjustNormalBoundsToFitMenu(normalBounds, minMenuSize);
+
+        assertEquals(minMenuSize.getHeight(), bounds.height());
+        assertEquals(minMenuSize.getHeight() * mPipBoundsState.getAspectRatio(),
+                bounds.width(), 0.3f);
+    }
+
+    @Test
+    public void adjustNormalBoundsToFitMenu_widthAndHeightTooSmall() {
+        final Rect normalBounds = new Rect(0, 0, 350, 280);
+        final Size minMenuSize = new Size(396, 292);
+        mPipBoundsState.setAspectRatio(
+                ((float) normalBounds.width()) / ((float) normalBounds.height()));
+
+        final Rect bounds =
+                mPipBoundsAlgorithm.adjustNormalBoundsToFitMenu(normalBounds, minMenuSize);
+
+        assertEquals(minMenuSize.getWidth(), bounds.width());
+        assertEquals(minMenuSize.getWidth() / mPipBoundsState.getAspectRatio(),
+                bounds.height(), 0.3f);
+    }
+
     private void overrideDefaultAspectRatio(float aspectRatio) {
         final TestableResources res = mContext.getOrCreateTestableResources();
         res.addOverride(