Sandbox letterbox and size compat apps

Sandbox Display#getRealSize and WindowManager
bounds when letterbox or size compat mode are
applied to the configuration. Display uses
this field to provide the sandboxed display
size.

Test: atest WindowConfigurationTests
Test: atest FrameworksMockingCoreTests:android.view.DisplayTests
Test: atest WmTests:SizeCompatTests
Bug: 171386167
Change-Id: I6f78edcd9214b52ab0708e3892bc86ee05bb5b9a

1 files changed, 19 insertions, 0 deletions

diff --git a/core/java/android/view/DisplayInfo.java b/core/java/android/view/DisplayInfo.java
index d200a328773b..7cabb04767bb 100644
--- a/core/java/android/view/DisplayInfo.java
+++ b/core/java/android/view/DisplayInfo.java
@@ -24,6 +24,7 @@ import static android.view.DisplayInfoProto.LOGICAL_WIDTH;
 import static android.view.DisplayInfoProto.NAME;
 
 import android.annotation.Nullable;
+import android.app.WindowConfiguration;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
@@ -605,11 +606,29 @@ public final class DisplayInfo implements Parcelable {
         getMetricsWithSize(outMetrics, ci, configuration, appWidth, appHeight);
     }
 
+    /**
+     * Populates {@code outMetrics} with details of the logical display. Bounds are limited
+     * by the logical size of the display.
+     *
+     * @param outMetrics the {@link DisplayMetrics} to be populated
+     * @param compatInfo the {@link CompatibilityInfo} to be applied
+     * @param configuration the {@link Configuration}
+     */
     public void getLogicalMetrics(DisplayMetrics outMetrics, CompatibilityInfo compatInfo,
             Configuration configuration) {
         getMetricsWithSize(outMetrics, compatInfo, configuration, logicalWidth, logicalHeight);
     }
 
+    /**
+     * Similar to {@link #getLogicalMetrics}, but the limiting bounds are determined from
+     * {@link WindowConfiguration#getMaxBounds()}
+     */
+    public void getMaxBoundsMetrics(DisplayMetrics outMetrics, CompatibilityInfo compatInfo,
+            Configuration configuration) {
+        Rect bounds = configuration.windowConfiguration.getMaxBounds();
+        getMetricsWithSize(outMetrics, compatInfo, configuration, bounds.width(), bounds.height());
+    }
+
     public int getNaturalWidth() {
         return rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180 ?
                 logicalWidth : logicalHeight;