From b4b9ca7580c75f07330e5222cbd9ccc93b12935e Mon Sep 17 00:00:00 2001
From: Zach Johnson <zachoverflow@google.com>
Date: Tue, 19 May 2015 00:02:27 -0700
Subject: Ignore carrier apps when checking for idleness

Also introduce a way to check if a package has
carrier privileges for any active phone.

Change-Id: If5c5fe07f05ffc90fc21431eb27cf48030c0175b
---
 api/system-current.txt                                |  1 +
 .../com/android/server/usage/UsageStatsService.java   | 11 +++++++++++
 .../java/android/telephony/TelephonyManager.java      | 19 +++++++++++++++++--
 .../com/android/internal/telephony/ITelephony.aidl    |  9 +++++++--
 4 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/api/system-current.txt b/api/system-current.txt
index 1c524c1..dad539b 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -33422,6 +33422,7 @@ package android.telephony {
     method public void call(java.lang.String, java.lang.String);
     method public boolean canChangeDtmfToneLength();
     method public int checkCarrierPrivilegesForPackage(java.lang.String);
+    method public int checkCarrierPrivilegesForPackageAnyPhone(java.lang.String);
     method public void dial(java.lang.String);
     method public boolean disableDataConnectivity();
     method public boolean enableDataConnectivity();
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 23057c4..633aee8 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -57,6 +57,7 @@ import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
+import android.telephony.TelephonyManager;
 import android.util.ArraySet;
 import android.util.AtomicFile;
 import android.util.Log;
@@ -725,6 +726,10 @@ public class UsageStatsService extends SystemService implements
             return false;
         }
 
+        if (isCarrierApp(packageName)) {
+            return false;
+        }
+
         if (mAppWidgetManager != null
                 && mAppWidgetManager.isBoundWidgetPackage(packageName, userId)) {
             return false;
@@ -754,6 +759,12 @@ public class UsageStatsService extends SystemService implements
         return false;
     }
 
+    private boolean isCarrierApp(String packageName) {
+        TelephonyManager telephonyManager = getContext().getSystemService(TelephonyManager.class);
+        return telephonyManager.checkCarrierPrivilegesForPackageAnyPhone(packageName)
+                    == TelephonyManager.CARRIER_PRIVILEGE_STATUS_HAS_ACCESS;
+    }
+
     void informListeners(String packageName, int userId, boolean isIdle) {
         for (AppIdleStateChangeListener listener : mPackageAccessListeners) {
             listener.onAppIdleStateChanged(packageName, userId, isIdle);
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 86f7ec3..5d792d3 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -3658,11 +3658,11 @@ public class TelephonyManager {
 
     /** @hide */
     @SystemApi
-    public int checkCarrierPrivilegesForPackage(String pkgname) {
+    public int checkCarrierPrivilegesForPackage(String pkgName) {
         try {
             ITelephony telephony = getITelephony();
             if (telephony != null)
-                return telephony.checkCarrierPrivilegesForPackage(pkgname);
+                return telephony.checkCarrierPrivilegesForPackage(pkgName);
         } catch (RemoteException ex) {
             Rlog.e(TAG, "checkCarrierPrivilegesForPackage RemoteException", ex);
         } catch (NullPointerException ex) {
@@ -3673,6 +3673,21 @@ public class TelephonyManager {
 
     /** @hide */
     @SystemApi
+    public int checkCarrierPrivilegesForPackageAnyPhone(String pkgName) {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null)
+                return telephony.checkCarrierPrivilegesForPackageAnyPhone(pkgName);
+        } catch (RemoteException ex) {
+            Rlog.e(TAG, "checkCarrierPrivilegesForPackageAnyPhone RemoteException", ex);
+        } catch (NullPointerException ex) {
+            Rlog.e(TAG, "checkCarrierPrivilegesForPackageAnyPhone NPE", ex);
+        }
+        return CARRIER_PRIVILEGE_STATUS_NO_ACCESS;
+    }
+
+    /** @hide */
+    @SystemApi
     public List<String> getCarrierPackageNamesForIntent(Intent intent) {
         return getCarrierPackageNamesForIntentAndPhone(intent, getDefaultPhone());
     }
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 11d0ea6..6a9a2c1 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -739,9 +739,14 @@ interface ITelephony {
     int getCarrierPrivilegeStatus();
 
     /**
-     * Similar to above, but check for pkg whose name is pkgname.
+     * Similar to above, but check for the package whose name is pkgName.
      */
-    int checkCarrierPrivilegesForPackage(String pkgname);
+    int checkCarrierPrivilegesForPackage(String pkgName);
+
+    /**
+     * Similar to above, but check across all phones.
+     */
+    int checkCarrierPrivilegesForPackageAnyPhone(String pkgName);
 
     /**
      * Returns list of the package names of the carrier apps that should handle the input intent
-- 
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