[wm] Introduce meta-data tag (android.supports_size_changes)

Introduce meta-data tag "android.supports_size_changes" which will indicated that an activity works well with size changes like display changing size.

Test: Manual - Run by adding metadata to the app running with SizeCompatMode.
Bug: 155041354
Change-Id: I0f358f63c9e14c63294275c0bfcd08744bee1108

6 files changed, 68 insertions, 0 deletions

diff --git a/core/java/android/content/pm/ActivityInfo.java b/core/java/android/content/pm/ActivityInfo.java
index b1f88693d9c0..bd02210259b8 100644
--- a/core/java/android/content/pm/ActivityInfo.java
+++ b/core/java/android/content/pm/ActivityInfo.java
@@ -245,6 +245,13 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
     public float minAspectRatio;
 
     /**
+     * Indicates that the activity works well with size changes like display changing size.
+     *
+     * @hide
+     */
+    public boolean supportsSizeChanges;
+
+    /**
      * Name of the VrListenerService component to run for this activity.
      * @see android.R.attr#enableVrMode
      * @hide
@@ -1013,6 +1020,7 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
         colorMode = orig.colorMode;
         maxAspectRatio = orig.maxAspectRatio;
         minAspectRatio = orig.minAspectRatio;
+        supportsSizeChanges = orig.supportsSizeChanges;
     }
 
     /**
@@ -1188,6 +1196,9 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
         if (minAspectRatio != 0) {
             pw.println(prefix + "minAspectRatio=" + minAspectRatio);
         }
+        if (supportsSizeChanges) {
+            pw.println(prefix + "supportsSizeChanges=true");
+        }
         super.dumpBack(pw, prefix, dumpFlags);
     }
 
@@ -1232,6 +1243,7 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
         dest.writeInt(colorMode);
         dest.writeFloat(maxAspectRatio);
         dest.writeFloat(minAspectRatio);
+        dest.writeBoolean(supportsSizeChanges);
     }
 
     /**
@@ -1350,6 +1362,7 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
         colorMode = source.readInt();
         maxAspectRatio = source.readFloat();
         minAspectRatio = source.readFloat();
+        supportsSizeChanges = source.readBoolean();
     }
 
     /**
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 0d8618fe7e86..c8dd4d9d9d51 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -207,6 +207,7 @@ public class PackageParser {
     public static final String TAG_USES_SPLIT = "uses-split";
 
     public static final String METADATA_MAX_ASPECT_RATIO = "android.max_aspect";
+    public static final String METADATA_SUPPORTS_SIZE_CHANGES = "android.supports_size_changes";
     public static final String METADATA_ACTIVITY_WINDOW_LAYOUT_AFFINITY =
             "android.activity_window_layout_affinity";
 
@@ -3897,6 +3898,7 @@ public class PackageParser {
         // every activity info has had a chance to set it from its attributes.
         setMaxAspectRatio(owner);
         setMinAspectRatio(owner);
+        setSupportsSizeChanges(owner);
 
         if (hasDomainURLs(owner)) {
             owner.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS;
@@ -4694,6 +4696,18 @@ public class PackageParser {
         }
     }
 
+    private void setSupportsSizeChanges(Package owner) {
+        final boolean supportsSizeChanges = owner.mAppMetaData != null
+                && owner.mAppMetaData.getBoolean(METADATA_SUPPORTS_SIZE_CHANGES, false);
+
+        for (Activity activity : owner.activities) {
+            if (supportsSizeChanges || (activity.metaData != null
+                    && activity.metaData.getBoolean(METADATA_SUPPORTS_SIZE_CHANGES, false))) {
+                activity.info.supportsSizeChanges = true;
+            }
+        }
+    }
+
     /**
      * @param configChanges The bit mask of configChanges fetched from AndroidManifest.xml.
      * @param recreateOnConfigChanges The bit mask recreateOnConfigChanges fetched from
@@ -4863,6 +4877,7 @@ public class PackageParser {
         info.resizeMode = target.info.resizeMode;
         info.maxAspectRatio = target.info.maxAspectRatio;
         info.minAspectRatio = target.info.minAspectRatio;
+        info.supportsSizeChanges = target.info.supportsSizeChanges;
         info.requestedVrComponent = target.info.requestedVrComponent;
 
         info.directBootAware = target.info.directBootAware;
diff --git a/core/java/android/content/pm/parsing/PackageInfoWithoutStateUtils.java b/core/java/android/content/pm/parsing/PackageInfoWithoutStateUtils.java
index 216b3bb5de8e..e4507483c08f 100644
--- a/core/java/android/content/pm/parsing/PackageInfoWithoutStateUtils.java
+++ b/core/java/android/content/pm/parsing/PackageInfoWithoutStateUtils.java
@@ -445,6 +445,7 @@ public class PackageInfoWithoutStateUtils {
         ai.maxAspectRatio = maxAspectRatio != null ? maxAspectRatio : 0f;
         Float minAspectRatio = a.getMinAspectRatio();
         ai.minAspectRatio = minAspectRatio != null ? minAspectRatio : 0f;
+        ai.supportsSizeChanges = a.getSupportsSizeChanges();
         ai.requestedVrComponent = a.getRequestedVrComponent();
         ai.rotationAnimation = a.getRotationAnimation();
         ai.colorMode = a.getColorMode();
diff --git a/core/java/android/content/pm/parsing/ParsingPackageUtils.java b/core/java/android/content/pm/parsing/ParsingPackageUtils.java
index 5a7947503d5c..317107829623 100644
--- a/core/java/android/content/pm/parsing/ParsingPackageUtils.java
+++ b/core/java/android/content/pm/parsing/ParsingPackageUtils.java
@@ -1912,6 +1912,7 @@ public class ParsingPackageUtils {
         // every activity info has had a chance to set it from its attributes.
         setMaxAspectRatio(pkg);
         setMinAspectRatio(pkg);
+        setSupportsSizeChanges(pkg);
 
         pkg.setHasDomainUrls(hasDomainURLs(pkg));
 
@@ -2366,6 +2367,23 @@ public class ParsingPackageUtils {
         }
     }
 
+    private void setSupportsSizeChanges(ParsingPackage pkg) {
+        final Bundle appMetaData = pkg.getMetaData();
+        final boolean supportsSizeChanges = appMetaData != null
+                && appMetaData.getBoolean(PackageParser.METADATA_SUPPORTS_SIZE_CHANGES, false);
+
+        List<ParsedActivity> activities = pkg.getActivities();
+        int activitiesSize = activities.size();
+        for (int index = 0; index < activitiesSize; index++) {
+            ParsedActivity activity = activities.get(index);
+            if (supportsSizeChanges || (activity.getMetaData() != null
+                    && activity.getMetaData().getBoolean(
+                            PackageParser.METADATA_SUPPORTS_SIZE_CHANGES, false))) {
+                activity.setSupportsSizeChanges(true);
+            }
+        }
+    }
+
     private static ParseResult<ParsingPackage> parseOverlay(ParseInput input, ParsingPackage pkg,
             Resources res, XmlResourceParser parser) {
         TypedArray sa = res.obtainAttributes(parser, R.styleable.AndroidManifestResourceOverlay);
diff --git a/core/java/android/content/pm/parsing/component/ParsedActivity.java b/core/java/android/content/pm/parsing/component/ParsedActivity.java
index 4c93d0950388..19150283d71e 100644
--- a/core/java/android/content/pm/parsing/component/ParsedActivity.java
+++ b/core/java/android/content/pm/parsing/component/ParsedActivity.java
@@ -73,6 +73,8 @@ public class ParsedActivity extends ParsedMainComponent {
     @Nullable
     private Float minAspectRatio;
 
+    private boolean supportsSizeChanges;
+
     @Nullable
     String requestedVrComponent;
     int rotationAnimation = -1;
@@ -101,6 +103,7 @@ public class ParsedActivity extends ParsedMainComponent {
         this.resizeMode = other.resizeMode;
         this.maxAspectRatio = other.maxAspectRatio;
         this.minAspectRatio = other.minAspectRatio;
+        this.supportsSizeChanges = other.supportsSizeChanges;
         this.requestedVrComponent = other.requestedVrComponent;
         this.rotationAnimation = other.rotationAnimation;
         this.colorMode = other.colorMode;
@@ -165,6 +168,7 @@ public class ParsedActivity extends ParsedMainComponent {
         alias.resizeMode = target.resizeMode;
         alias.maxAspectRatio = target.maxAspectRatio;
         alias.minAspectRatio = target.minAspectRatio;
+        alias.supportsSizeChanges = target.supportsSizeChanges;
         alias.requestedVrComponent = target.requestedVrComponent;
         alias.directBootAware = target.directBootAware;
         alias.setProcessName(target.getProcessName());
@@ -217,6 +221,11 @@ public class ParsedActivity extends ParsedMainComponent {
         return this;
     }
 
+    public ParsedActivity setSupportsSizeChanges(boolean supportsSizeChanges) {
+        this.supportsSizeChanges = supportsSizeChanges;
+        return this;
+    }
+
     public ParsedActivity setFlags(int flags) {
         this.flags = flags;
         return this;
@@ -279,6 +288,7 @@ public class ParsedActivity extends ParsedMainComponent {
         dest.writeInt(this.resizeMode);
         dest.writeValue(this.maxAspectRatio);
         dest.writeValue(this.minAspectRatio);
+        dest.writeBoolean(this.supportsSizeChanges);
         dest.writeString(this.requestedVrComponent);
         dest.writeInt(this.rotationAnimation);
         dest.writeInt(this.colorMode);
@@ -315,6 +325,7 @@ public class ParsedActivity extends ParsedMainComponent {
         this.resizeMode = in.readInt();
         this.maxAspectRatio = (Float) in.readValue(Float.class.getClassLoader());
         this.minAspectRatio = (Float) in.readValue(Float.class.getClassLoader());
+        this.supportsSizeChanges = in.readBoolean();
         this.requestedVrComponent = in.readString();
         this.rotationAnimation = in.readInt();
         this.colorMode = in.readInt();
@@ -414,6 +425,10 @@ public class ParsedActivity extends ParsedMainComponent {
         return minAspectRatio;
     }
 
+    public boolean getSupportsSizeChanges() {
+        return supportsSizeChanges;
+    }
+
     @Nullable
     public String getRequestedVrComponent() {
         return requestedVrComponent;
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 7c33c7cf6398..fe2b144bcdd6 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -1001,6 +1001,9 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
             if (info.minAspectRatio != 0) {
                 pw.println(prefix + "minAspectRatio=" + info.minAspectRatio);
             }
+            if (info.supportsSizeChanges) {
+                pw.println(prefix + "supportsSizeChanges=true");
+            }
         }
     }
 
@@ -6376,6 +6379,9 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
      *         aspect ratio.
      */
     boolean shouldUseSizeCompatMode() {
+        if (info.supportsSizeChanges) {
+            return false;
+        }
         if (inMultiWindowMode() || getWindowConfiguration().hasWindowDecorCaption()) {
             final ActivityRecord root = task != null ? task.getRootActivity() : null;
             if (root != null && root != this && !root.shouldUseSizeCompatMode()) {