Enables a profile owner or device owner to set and clear default intent handler activities.

Those intent handlers are persistent preferences. They will remain the default intent
handler even if the set of potential event handlers for the intent filter changes
and if the intent preferences are reset.

Change-Id: Id0cfae46f93c10d89e441f272096a205ec518dd0

3 files changed, 58 insertions, 0 deletions

diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 0cc878e..0f7465e 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -22,6 +22,7 @@ import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
 import android.content.ComponentName;
 import android.content.Context;
+import android.content.IntentFilter;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
@@ -1766,4 +1767,53 @@ public class DevicePolicyManager {
         }
         return null;
     }
+
+    /**
+     * Called by a profile owner or device owner to add a default intent handler activity for
+     * intents that match a certain intent filter. This activity will remain the default intent
+     * handler even if the set of potential event handlers for the intent filter changes and if
+     * the intent preferences are reset.
+     *
+     * <p>The default disambiguation mechanism takes over if the activity is not installed
+     * (anymore). When the activity is (re)installed, it is automatically reset as default
+     * intent handler for the filter.
+     *
+     * <p>The calling device admin must be a profile owner or device owner. If it is not, a
+     * security exception will be thrown.
+     *
+     * @param admin Which {@link DeviceAdminReceiver} this request is associated with.
+     * @param filter The IntentFilter for which a default handler is added.
+     * @param activity The Activity that is added as default intent handler.
+     */
+    public void addPersistentPreferredActivity(ComponentName admin, IntentFilter filter,
+            ComponentName activity) {
+        if (mService != null) {
+            try {
+                mService.addPersistentPreferredActivity(admin, filter, activity);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed talking with device policy service", e);
+            }
+        }
+    }
+
+    /**
+     * Called by a profile owner or device owner to remove all persistent intent handler preferences
+     * associated with the given package that were set by {@link addPersistentPreferredActivity}.
+     *
+     * <p>The calling device admin must be a profile owner. If it is not, a security
+     * exception will be thrown.
+     *
+     * @param admin Which {@link DeviceAdminReceiver} this request is associated with.
+     * @param packageName The name of the package for which preferences are removed.
+     */
+    public void clearPackagePersistentPreferredActivities(ComponentName admin,
+            String packageName) {
+        if (mService != null) {
+            try {
+                mService.clearPackagePersistentPreferredActivities(admin, packageName);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed talking with device policy service", e);
+            }
+        }
+    }
 }
diff --git a/core/java/android/app/admin/IDevicePolicyManager.aidl b/core/java/android/app/admin/IDevicePolicyManager.aidl
index 9d189db..8119585 100644
--- a/core/java/android/app/admin/IDevicePolicyManager.aidl
+++ b/core/java/android/app/admin/IDevicePolicyManager.aidl
@@ -18,6 +18,7 @@
 package android.app.admin;
 
 import android.content.ComponentName;
+import android.content.IntentFilter;
 import android.os.RemoteCallback;
 
 /**
@@ -109,4 +110,7 @@ interface IDevicePolicyManager {
 
     boolean installCaCert(in byte[] certBuffer);
     void uninstallCaCert(in byte[] certBuffer);
+
+    void addPersistentPreferredActivity(in ComponentName admin, in IntentFilter filter, in ComponentName activity);
+    void clearPackagePersistentPreferredActivities(in ComponentName admin, String packageName);
 }
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 20002ad..c9fb530 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -237,6 +237,10 @@ interface IPackageManager {
     int getPreferredActivities(out List<IntentFilter> outFilters,
             out List<ComponentName> outActivities, String packageName);
 
+    void addPersistentPreferredActivity(in IntentFilter filter, in ComponentName activity, int userId);
+
+    void clearPackagePersistentPreferredActivities(String packageName, int userId);
+
     /**
      * Report the set of 'Home' activity candidates, plus (if any) which of them
      * is the current "always use this one" setting.