1 files changed, 64 insertions, 4 deletions

diff --git a/java/com/android/dialer/util/PermissionsUtil.java b/java/com/android/dialer/util/PermissionsUtil.java
index 72a59eaef..34828317d 100644
--- a/java/com/android/dialer/util/PermissionsUtil.java
+++ b/java/com/android/dialer/util/PermissionsUtil.java
@@ -16,15 +16,33 @@
 
 package com.android.dialer.util;
 
+import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
+import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+import static android.Manifest.permission.ADD_VOICEMAIL;
+import static android.Manifest.permission.CALL_PHONE;
+import static android.Manifest.permission.MODIFY_PHONE_STATE;
+import static android.Manifest.permission.READ_CALL_LOG;
+import static android.Manifest.permission.READ_CONTACTS;
+import static android.Manifest.permission.READ_PHONE_STATE;
+import static android.Manifest.permission.READ_VOICEMAIL;
+import static android.Manifest.permission.WRITE_CALL_LOG;
+import static android.Manifest.permission.WRITE_CONTACTS;
+import static android.Manifest.permission.WRITE_VOICEMAIL;
+
 import android.Manifest.permission;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
+import android.support.annotation.NonNull;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.content.LocalBroadcastManager;
 import com.android.dialer.common.LogUtil;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 /** Utility class to help with runtime permissions. */
 public class PermissionsUtil {
@@ -32,6 +50,27 @@ public class PermissionsUtil {
   private static final String PERMISSION_PREFERENCE = "dialer_permissions";
   private static final String CEQUINT_PERMISSION = "com.cequint.ecid.CALLER_ID_LOOKUP";
 
+  // Permissions list retrieved from application manifest.
+  // Starting in Android O Permissions must be explicitly enumerated:
+  // https://developer.android.com/preview/behavior-changes.html#rmp
+  public static final List<String> allPhoneGroupPermissionsUsedInDialer =
+      Collections.unmodifiableList(
+          Arrays.asList(
+              READ_CALL_LOG,
+              WRITE_CALL_LOG,
+              READ_PHONE_STATE,
+              MODIFY_PHONE_STATE,
+              CALL_PHONE,
+              ADD_VOICEMAIL,
+              WRITE_VOICEMAIL,
+              READ_VOICEMAIL));
+
+  public static final List<String> allContactsGroupPermissionsUsedInDialer =
+      Collections.unmodifiableList(Arrays.asList(READ_CONTACTS, WRITE_CONTACTS));
+
+  public static final List<String> allLocationGroupPermissionsUsedInDialer =
+      Collections.unmodifiableList(Arrays.asList(ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION));
+
   public static boolean hasPhonePermissions(Context context) {
     return hasPermission(context, permission.CALL_PHONE);
   }
@@ -72,15 +111,15 @@ public class PermissionsUtil {
     return hasPermission(context, permission.WRITE_VOICEMAIL);
   }
 
+  public static boolean hasAddVoicemailPermissions(Context context) {
+    return hasPermission(context, permission.ADD_VOICEMAIL);
+  }
+
   public static boolean hasPermission(Context context, String permission) {
     return ContextCompat.checkSelfPermission(context, permission)
         == PackageManager.PERMISSION_GRANTED;
   }
 
-  public static boolean hasAddVoicemailPermissions(Context context) {
-    return hasPermission(context, permission.ADD_VOICEMAIL);
-  }
-
   /**
    * Checks {@link android.content.SharedPreferences} if a permission has been requested before.
    *
@@ -147,4 +186,25 @@ public class PermissionsUtil {
     final Intent intent = new Intent(permission);
     LocalBroadcastManager.getInstance(context).sendBroadcast(intent);
   }
+
+  /**
+   * Returns a list of permissions currently not granted to the application from the supplied list.
+   *
+   * @param context - The Application context.
+   * @param permissionsList - A list of permissions to check if the current application has been
+   *     granted.
+   * @return An array of permissions that are currently DENIED to the application; a subset of
+   *     permissionsList.
+   */
+  @NonNull
+  public static String[] getPermissionsCurrentlyDenied(
+      @NonNull Context context, @NonNull List<String> permissionsList) {
+    List<String> permissionsCurrentlyDenied = new ArrayList<>();
+    for (String permission : permissionsList) {
+      if (!hasPermission(context, permission)) {
+        permissionsCurrentlyDenied.add(permission);
+      }
+    }
+    return permissionsCurrentlyDenied.toArray(new String[permissionsCurrentlyDenied.size()]);
+  }
 }