Merge "Restore preferred activity filter if it not inside" am: d8c6106f91 am: d45305b25c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1483964

Change-Id: I62a1c68a761d515c7cbccc3868bf91def5fb9d7c

services/core/java/com/android/server/pm/PreferredComponent.java

@@ -254,6 +254,43 @@ public class PreferredComponent {
         return numMatch == NS;
     }
 
+    public boolean sameSet(PreferredComponent pc) {
+        if (mSetPackages == null || pc == null || pc.mSetPackages == null
+                || !sameComponent(pc.mComponent)) {
+            return false;
+        }
+        final int otherPackageCount = pc.mSetPackages.length;
+        final int packageCount = mSetPackages.length;
+        int numMatch = 0;
+        for (int i = 0; i < otherPackageCount; i++) {
+            boolean good = false;
+            for (int j = 0; j < packageCount; j++) {
+                if (mSetPackages[j].equals(pc.mSetPackages[j])
+                        && mSetClasses[j].equals(pc.mSetClasses[j])) {
+                    numMatch++;
+                    good = true;
+                    break;
+                }
+            }
+            if (!good) {
+                return false;
+            }
+        }
+        return numMatch == packageCount;
+    }
+
+    /** Returns true if the preferred component represents the provided ComponentName. */
+    private boolean sameComponent(ComponentName comp) {
+        if (mComponent == null || comp == null) {
+            return false;
+        }
+        if (mComponent.getPackageName().equals(comp.getPackageName())
+                && mComponent.getClassName().equals(comp.getClassName())) {
+            return true;
+        }
+        return false;
+    }
+
     public boolean isSuperset(List<ResolveInfo> query, boolean excludeSetupWizardPackage) {
         if (mSetPackages == null) {
             return query == null;

services/core/java/com/android/server/pm/PreferredIntentResolver.java

@@ -22,6 +22,7 @@ import android.content.IntentFilter;
 import java.io.PrintWriter;
 
 import com.android.server.IntentResolver;
+import java.util.ArrayList;
 
 public class PreferredIntentResolver
         extends IntentResolver<PreferredActivity, PreferredActivity> {
@@ -45,4 +46,24 @@ public class PreferredIntentResolver
     protected IntentFilter getIntentFilter(@NonNull PreferredActivity input) {
         return input;
     }
+
+    public boolean shouldAddPreferredActivity(PreferredActivity pa) {
+        ArrayList<PreferredActivity> pal = findFilters(pa);
+        if (pal == null || pal.isEmpty()) {
+            return true;
+        }
+        if (!pa.mPref.mAlways) {
+            return false;
+        }
+        final int activityCount = pal.size();
+        for (int i = 0; i < activityCount; i++) {
+            PreferredActivity cur = pal.get(i);
+            if (cur.mPref.mAlways
+                    && cur.mPref.mMatch == (pa.mPref.mMatch & IntentFilter.MATCH_CATEGORY_MASK)
+                    && cur.mPref.sameSet(pa.mPref)) {
+                return false;
+            }
+        }
+        return true;
+    }
 }

services/core/java/com/android/server/pm/Settings.java

@@ -1410,8 +1410,7 @@ public final class Settings {
                 PreferredActivity pa = new PreferredActivity(parser);
                 if (pa.mPref.getParseError() == null) {
                     final PreferredIntentResolver resolver = editPreferredActivitiesLPw(userId);
-                    ArrayList<PreferredActivity> pal = resolver.findFilters(pa);
+                    if (resolver.shouldAddPreferredActivity(pa)) {
-                    if (pal == null || pal.size() == 0 || pa.mPref.mAlways) {
                         resolver.addFilter(pa);
                     }
                 } else {