Merge "Add targetOverlayableName to OverlayInfo"
diff --git a/api/system-current.txt b/api/system-current.txt
index 1b9a64a..46ff604 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -1461,6 +1461,7 @@
     field @NonNull public static final android.os.Parcelable.Creator<android.content.om.OverlayInfo> CREATOR;
     field public final String category;
     field public final String packageName;
+    field public final String targetOverlayableName;
     field public final String targetPackageName;
     field public final int userId;
   }
diff --git a/core/java/android/content/om/OverlayInfo.java b/core/java/android/content/om/OverlayInfo.java
index 999d986..aabe59d 100644
--- a/core/java/android/content/om/OverlayInfo.java
+++ b/core/java/android/content/om/OverlayInfo.java
@@ -18,12 +18,14 @@
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.Objects;
 
 /**
  * Immutable overlay information about a package. All PackageInfos that
@@ -138,6 +140,14 @@
     public final String targetPackageName;
 
     /**
+     * Name of the target overlayable declaration.
+     *
+     * @hide
+     */
+    @SystemApi
+    public final String targetOverlayableName;
+
+    /**
      * Category of the overlay package
      *
      * @hide
@@ -190,16 +200,19 @@
      * @hide
      */
     public OverlayInfo(@NonNull OverlayInfo source, @State int state) {
-        this(source.packageName, source.targetPackageName, source.category, source.baseCodePath,
-                state, source.userId, source.priority, source.isStatic);
+        this(source.packageName, source.targetPackageName, source.targetOverlayableName,
+                source.category, source.baseCodePath, state, source.userId, source.priority,
+                source.isStatic);
     }
 
     /** @hide */
     public OverlayInfo(@NonNull String packageName, @NonNull String targetPackageName,
-            @NonNull String category, @NonNull String baseCodePath, int state, int userId,
+            @Nullable String targetOverlayableName, @Nullable String category,
+            @NonNull String baseCodePath, int state, int userId,
             int priority, boolean isStatic) {
         this.packageName = packageName;
         this.targetPackageName = targetPackageName;
+        this.targetOverlayableName = targetOverlayableName;
         this.category = category;
         this.baseCodePath = baseCodePath;
         this.state = state;
@@ -213,6 +226,7 @@
     public OverlayInfo(Parcel source) {
         packageName = source.readString();
         targetPackageName = source.readString();
+        targetOverlayableName = source.readString();
         category = source.readString();
         baseCodePath = source.readString();
         state = source.readInt();
@@ -256,6 +270,7 @@
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeString(packageName);
         dest.writeString(targetPackageName);
+        dest.writeString(targetOverlayableName);
         dest.writeString(category);
         dest.writeString(baseCodePath);
         dest.writeInt(state);
@@ -335,6 +350,8 @@
         result = prime * result + state;
         result = prime * result + ((packageName == null) ? 0 : packageName.hashCode());
         result = prime * result + ((targetPackageName == null) ? 0 : targetPackageName.hashCode());
+        result = prime * result + ((targetOverlayableName == null) ? 0
+                : targetOverlayableName.hashCode());
         result = prime * result + ((category == null) ? 0 : category.hashCode());
         result = prime * result + ((baseCodePath == null) ? 0 : baseCodePath.hashCode());
         return result;
@@ -364,7 +381,10 @@
         if (!targetPackageName.equals(other.targetPackageName)) {
             return false;
         }
-        if (!category.equals(other.category)) {
+        if (!Objects.equals(targetOverlayableName, other.targetOverlayableName)) {
+            return false;
+        }
+        if (!Objects.equals(category, other.category)) {
             return false;
         }
         if (!baseCodePath.equals(other.baseCodePath)) {
@@ -375,7 +395,9 @@
 
     @Override
     public String toString() {
-        return "OverlayInfo { overlay=" + packageName + ", target=" + targetPackageName + ", state="
-                + state + " (" + stateToString(state) + "), userId=" + userId + " }";
+        return "OverlayInfo { overlay=" + packageName + ", targetPackage=" + targetPackageName
+                + ((targetOverlayableName == null) ? ""
+                : ", targetOverlyabale=" + targetOverlayableName)
+                + ", state=" + state + " (" + stateToString(state) + "), userId=" + userId + " }";
     }
 }
diff --git a/core/java/android/content/pm/PackageInfo.java b/core/java/android/content/pm/PackageInfo.java
index 725d601..d6fb28f 100644
--- a/core/java/android/content/pm/PackageInfo.java
+++ b/core/java/android/content/pm/PackageInfo.java
@@ -354,12 +354,12 @@
     public String overlayTarget;
 
     /**
-     * What overlayable set of elements package, if any, this package will overlay.
+     * The name of the overlayable set of elements package, if any, this package will overlay.
      *
      * Overlayable name defined within the target package, or null.
      * @hide
      */
-    public String overlayTargetName;
+    public String targetOverlayableName;
 
     /**
      * The overlay category, if any, of this package
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 743a302..b480939 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -689,7 +689,7 @@
         pi.restrictedAccountType = p.mRestrictedAccountType;
         pi.requiredAccountType = p.mRequiredAccountType;
         pi.overlayTarget = p.mOverlayTarget;
-        pi.overlayTargetName = p.mOverlayTargetName;
+        pi.targetOverlayableName = p.mOverlayTargetName;
         pi.overlayCategory = p.mOverlayCategory;
         pi.overlayPriority = p.mOverlayPriority;
         pi.mOverlayIsStatic = p.mOverlayIsStatic;
diff --git a/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java b/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
index b0d2704..15ed063 100644
--- a/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
+++ b/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
@@ -83,6 +83,9 @@
         if (!Objects.equals(theTruth.overlayTarget, oldSettings.targetPackageName)) {
             return true;
         }
+        if (!Objects.equals(theTruth.targetOverlayableName, oldSettings.targetOverlayableName)) {
+            return true;
+        }
         if (theTruth.isStaticOverlayPackage() != oldSettings.isStatic) {
             return true;
         }
@@ -149,6 +152,7 @@
 
                 mSettings.init(overlayPackage.packageName, newUserId,
                         overlayPackage.overlayTarget,
+                        overlayPackage.targetOverlayableName,
                         overlayPackage.applicationInfo.getBaseCodePath(),
                         overlayPackage.isStaticOverlayPackage(),
                         overlayPackage.overlayPriority,
@@ -331,6 +335,7 @@
         }
 
         mSettings.init(packageName, userId, overlayPackage.overlayTarget,
+                overlayPackage.targetOverlayableName,
                 overlayPackage.applicationInfo.getBaseCodePath(),
                 overlayPackage.isStaticOverlayPackage(), overlayPackage.overlayPriority,
                 overlayPackage.overlayCategory);
@@ -395,7 +400,7 @@
                 if (oldOi != null && !oldOi.targetPackageName.equals(pkg.overlayTarget)) {
                     mListener.onOverlaysChanged(pkg.overlayTarget, userId);
                 }
-                mSettings.init(packageName, userId, pkg.overlayTarget,
+                mSettings.init(packageName, userId, pkg.overlayTarget, pkg.targetOverlayableName,
                         pkg.applicationInfo.getBaseCodePath(), pkg.isStaticOverlayPackage(),
                         pkg.overlayPriority, pkg.overlayCategory);
             }
diff --git a/services/core/java/com/android/server/om/OverlayManagerSettings.java b/services/core/java/com/android/server/om/OverlayManagerSettings.java
index 2b4ec03..667dfa1 100644
--- a/services/core/java/com/android/server/om/OverlayManagerSettings.java
+++ b/services/core/java/com/android/server/om/OverlayManagerSettings.java
@@ -65,12 +65,13 @@
     private final ArrayList<SettingsItem> mItems = new ArrayList<>();
 
     void init(@NonNull final String packageName, final int userId,
-            @NonNull final String targetPackageName, @NonNull final String baseCodePath,
-            boolean isStatic, int priority, String overlayCategory) {
+            @NonNull final String targetPackageName,  @Nullable final String targetOverlayableName,
+            @NonNull final String baseCodePath, boolean isStatic, int priority,
+            @Nullable String overlayCategory) {
         remove(packageName, userId);
         final SettingsItem item =
-                new SettingsItem(packageName, userId, targetPackageName, baseCodePath,
-                        isStatic, priority, overlayCategory);
+                new SettingsItem(packageName, userId, targetPackageName, targetOverlayableName,
+                        baseCodePath, isStatic, priority, overlayCategory);
         if (isStatic) {
             // All static overlays are always enabled.
             item.setEnabled(true);
@@ -302,16 +303,17 @@
             pw.println(item.mPackageName + ":" + item.getUserId() + " {");
             pw.increaseIndent();
 
-            pw.println("mPackageName.......: " + item.mPackageName);
-            pw.println("mUserId............: " + item.getUserId());
-            pw.println("mTargetPackageName.: " + item.getTargetPackageName());
-            pw.println("mBaseCodePath......: " + item.getBaseCodePath());
-            pw.println("mState.............: " + OverlayInfo.stateToString(item.getState()));
-            pw.println("mState.............: " + OverlayInfo.stateToString(item.getState()));
-            pw.println("mIsEnabled.........: " + item.isEnabled());
-            pw.println("mIsStatic..........: " + item.isStatic());
-            pw.println("mPriority..........: " + item.mPriority);
-            pw.println("mCategory..........: " + item.mCategory);
+            pw.println("mPackageName...........: " + item.mPackageName);
+            pw.println("mUserId................: " + item.getUserId());
+            pw.println("mTargetPackageName.....: " + item.getTargetPackageName());
+            pw.println("mTargetOverlayableName.: " + item.getTargetOverlayableName());
+            pw.println("mBaseCodePath..........: " + item.getBaseCodePath());
+            pw.println("mState.................: " + OverlayInfo.stateToString(item.getState()));
+            pw.println("mState.................: " + OverlayInfo.stateToString(item.getState()));
+            pw.println("mIsEnabled.............: " + item.isEnabled());
+            pw.println("mIsStatic..............: " + item.isStatic());
+            pw.println("mPriority..............: " + item.mPriority);
+            pw.println("mCategory..............: " + item.mCategory);
 
             pw.decreaseIndent();
             pw.println("}");
@@ -335,6 +337,7 @@
         private static final String ATTR_PACKAGE_NAME = "packageName";
         private static final String ATTR_STATE = "state";
         private static final String ATTR_TARGET_PACKAGE_NAME = "targetPackageName";
+        private static final String ATTR_TARGET_OVERLAYABLE_NAME = "targetOverlayableName";
         private static final String ATTR_IS_STATIC = "isStatic";
         private static final String ATTR_PRIORITY = "priority";
         private static final String ATTR_CATEGORY = "category";
@@ -387,6 +390,8 @@
             final int userId = XmlUtils.readIntAttribute(parser, ATTR_USER_ID);
             final String targetPackageName = XmlUtils.readStringAttribute(parser,
                     ATTR_TARGET_PACKAGE_NAME);
+            final String targetOverlayableName = XmlUtils.readStringAttribute(parser,
+                    ATTR_TARGET_OVERLAYABLE_NAME);
             final String baseCodePath = XmlUtils.readStringAttribute(parser, ATTR_BASE_CODE_PATH);
             final int state = XmlUtils.readIntAttribute(parser, ATTR_STATE);
             final boolean isEnabled = XmlUtils.readBooleanAttribute(parser, ATTR_IS_ENABLED);
@@ -394,8 +399,8 @@
             final int priority = XmlUtils.readIntAttribute(parser, ATTR_PRIORITY);
             final String category = XmlUtils.readStringAttribute(parser, ATTR_CATEGORY);
 
-            return new SettingsItem(packageName, userId, targetPackageName, baseCodePath,
-                    state, isEnabled, isStatic, priority, category);
+            return new SettingsItem(packageName, userId, targetPackageName, targetOverlayableName,
+                    baseCodePath, state, isEnabled, isStatic, priority, category);
         }
 
         public static void persist(@NonNull final ArrayList<SettingsItem> table,
@@ -422,6 +427,8 @@
             XmlUtils.writeStringAttribute(xml, ATTR_PACKAGE_NAME, item.mPackageName);
             XmlUtils.writeIntAttribute(xml, ATTR_USER_ID, item.mUserId);
             XmlUtils.writeStringAttribute(xml, ATTR_TARGET_PACKAGE_NAME, item.mTargetPackageName);
+            XmlUtils.writeStringAttribute(xml, ATTR_TARGET_OVERLAYABLE_NAME,
+                    item.mTargetOverlayableName);
             XmlUtils.writeStringAttribute(xml, ATTR_BASE_CODE_PATH, item.mBaseCodePath);
             XmlUtils.writeIntAttribute(xml, ATTR_STATE, item.mState);
             XmlUtils.writeBooleanAttribute(xml, ATTR_IS_ENABLED, item.mIsEnabled);
@@ -436,6 +443,7 @@
         private final int mUserId;
         private final String mPackageName;
         private final String mTargetPackageName;
+        private final String mTargetOverlayableName;
         private String mBaseCodePath;
         private @OverlayInfo.State int mState;
         private boolean mIsEnabled;
@@ -445,12 +453,14 @@
         private String mCategory;
 
         SettingsItem(@NonNull final String packageName, final int userId,
-                @NonNull final String targetPackageName, @NonNull final String baseCodePath,
+                @NonNull final String targetPackageName,
+                @Nullable final String targetOverlayableName, @NonNull final String baseCodePath,
                 final @OverlayInfo.State int state, final boolean isEnabled, final boolean isStatic,
-                final int priority, String category) {
+                final int priority,  @Nullable String category) {
             mPackageName = packageName;
             mUserId = userId;
             mTargetPackageName = targetPackageName;
+            mTargetOverlayableName = targetOverlayableName;
             mBaseCodePath = baseCodePath;
             mState = state;
             mIsEnabled = isEnabled || isStatic;
@@ -461,16 +471,21 @@
         }
 
         SettingsItem(@NonNull final String packageName, final int userId,
-                @NonNull final String targetPackageName, @NonNull final String baseCodePath,
-                final boolean isStatic, final int priority, String category) {
-            this(packageName, userId, targetPackageName, baseCodePath, OverlayInfo.STATE_UNKNOWN,
-                    false, isStatic, priority, category);
+                @NonNull final String targetPackageName,
+                @Nullable final String targetOverlayableName, @NonNull final String baseCodePath,
+                final boolean isStatic, final int priority, @Nullable String category) {
+            this(packageName, userId, targetPackageName, targetOverlayableName, baseCodePath,
+                    OverlayInfo.STATE_UNKNOWN, false, isStatic, priority, category);
         }
 
         private String getTargetPackageName() {
             return mTargetPackageName;
         }
 
+        private String getTargetOverlayableName() {
+            return mTargetOverlayableName;
+        }
+
         private int getUserId() {
             return mUserId;
         }
@@ -520,7 +535,7 @@
 
         private boolean setCategory(String category) {
             if (!Objects.equals(mCategory, category)) {
-                mCategory = category.intern();
+                mCategory = (category == null) ? null : category.intern();
                 invalidateCache();
                 return true;
             }
@@ -529,8 +544,8 @@
 
         private OverlayInfo getOverlayInfo() {
             if (mCache == null) {
-                mCache = new OverlayInfo(mPackageName, mTargetPackageName, mCategory, mBaseCodePath,
-                        mState, mUserId, mPriority, mIsStatic);
+                mCache = new OverlayInfo(mPackageName, mTargetPackageName, mTargetOverlayableName,
+                        mCategory, mBaseCodePath, mState, mUserId, mPriority, mIsStatic);
             }
             return mCache;
         }