Create DPM APIs for cross profile callerId

Contact information in the managed profile is shown
in the incoming call UI unless blocked using this API.

TODO: Actually plumb this into the caller-id logic.

Bug: 16301261
Change-Id: If03adc907d9558baa0a45a1833b857206b7bf96a

1 files changed, 81 insertions, 0 deletions

diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 92d3d95..f051fce 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -252,6 +252,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
     static class ActiveAdmin {
         private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features";
         private static final String TAG_DISABLE_CAMERA = "disable-camera";
+        private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id";
         private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management";
         private static final String TAG_ACCOUNT_TYPE = "account-type";
         private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested";
@@ -319,6 +320,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
 
         boolean encryptionRequested = false;
         boolean disableCamera = false;
+        boolean disableCallerId = false;
         Set<String> accountTypesWithManagementDisabled = new HashSet<String>();
 
         // TODO: review implementation decisions with frameworks team
@@ -431,6 +433,11 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
                 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera));
                 out.endTag(null, TAG_DISABLE_CAMERA);
             }
+            if (disableCallerId) {
+                out.startTag(null, TAG_DISABLE_CALLER_ID);
+                out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId));
+                out.endTag(null, TAG_DISABLE_CALLER_ID);
+            }
             if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) {
                 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES);
                 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures));
@@ -513,6 +520,9 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
                 } else if (TAG_DISABLE_CAMERA.equals(tag)) {
                     disableCamera = Boolean.parseBoolean(
                             parser.getAttributeValue(null, ATTR_VALUE));
+                } else if (TAG_DISABLE_CALLER_ID.equals(tag)) {
+                    disableCallerId = Boolean.parseBoolean(
+                            parser.getAttributeValue(null, ATTR_VALUE));
                 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) {
                     disabledKeyguardFeatures = Integer.parseInt(
                             parser.getAttributeValue(null, ATTR_VALUE));
@@ -589,6 +599,8 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
                     pw.println(encryptionRequested);
             pw.print(prefix); pw.print("disableCamera=");
                     pw.println(disableCamera);
+            pw.print(prefix); pw.print("disableCallerId=");
+                    pw.println(disableCallerId);
             pw.print(prefix); pw.print("disabledKeyguardFeatures=");
                     pw.println(disabledKeyguardFeatures);
         }
@@ -3274,6 +3286,25 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
         return null;
     }
 
+    // Returns the active profile owner for this user or null if the current user has no
+    // profile owner.
+    private ActiveAdmin getProfileOwnerAdmin(int userHandle) {
+        String profileOwnerPackage = getProfileOwner(userHandle);
+        if (profileOwnerPackage == null) {
+            return null;
+        }
+
+        DevicePolicyData policy = getUserData(userHandle);
+        final int n = policy.mAdminList.size();
+        for (int i = 0; i < n; i++) {
+            ActiveAdmin admin = policy.mAdminList.get(i);
+            if (profileOwnerPackage.equals(admin.info.getPackageName())) {
+                return admin;
+            }
+        }
+        return null;
+    }
+
     @Override
     public String getProfileOwnerName(int userHandle) {
         if (!mHasFeature) {
@@ -3312,6 +3343,12 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
         }
     }
 
+    private void enforceSystemProcess(String message) {
+        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
+            throw new SecurityException(message);
+        }
+    }
+
     private void enforceNotManagedProfile(int userHandle, String message) {
         if(isManagedProfile(userHandle)) {
             throw new SecurityException("You can not " + message + " for a managed profile. ");
@@ -3933,6 +3970,50 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
         return false;
     }
 
+    @Override
+    public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) {
+        if (!mHasFeature) {
+            return;
+        }
+        synchronized (this) {
+            if (who == null) {
+                throw new NullPointerException("ComponentName is null");
+            }
+            ActiveAdmin admin = getActiveAdminForCallerLocked(who,
+                    DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);
+            if (admin.disableCallerId != disabled) {
+                admin.disableCallerId = disabled;
+                saveSettingsLocked(UserHandle.getCallingUserId());
+            }
+        }
+    }
+
+    @Override
+    public boolean getCrossProfileCallerIdDisabled(ComponentName who) {
+        if (!mHasFeature) {
+            return false;
+        }
+
+        synchronized (this) {
+            if (who == null) {
+                throw new NullPointerException("ComponentName is null");
+            }
+
+            ActiveAdmin admin = getActiveAdminForCallerLocked(who,
+                    DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);
+            return admin.disableCallerId;
+        }
+    }
+
+    @Override
+    public boolean getCrossProfileCallerIdDisabledForUser(int userId) {
+        enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system");
+        synchronized (this) {
+            ActiveAdmin admin = getProfileOwnerAdmin(userId);
+            return (admin != null) ? admin.disableCallerId : false;
+        }
+    }
+
     /**
      * Sets which packages may enter lock task mode.
      *