Constants for accessing call log with voicemails.

Move the constants from the contacts provider implementation to the
framework.

These constants will remain hidden as currently only the system is
allowed access to the voicemail, protected by a signature permission.

Change-Id: I7cdb0fe217603b3d755238067a877f4209f4c26c

1 files changed, 23 insertions, 0 deletions

diff --git a/core/java/android/provider/CallLog.java b/core/java/android/provider/CallLog.java
index 0933193..39c6f57 100644
--- a/core/java/android/provider/CallLog.java
+++ b/core/java/android/provider/CallLog.java
@@ -57,6 +57,29 @@ public class CallLog {
                 Uri.parse("content://call_log/calls/filter");
 
         /**
+         * An optional URI parameter which instructs the provider to allow the operation to be
+         * applied to voicemail records as well.
+         * <p>
+         * TYPE: Boolean
+         * <p>
+         * Using this parameter with a value of {@code true} will result in a security error if the
+         * calling package does not have appropriate permissions to access voicemails.
+         *
+         * @hide
+         */
+        public static final String ALLOW_VOICEMAILS_PARAM_KEY = "allow_voicemails";
+
+        /**
+         * Content uri with {@link #ALLOW_VOICEMAILS_PARAM_KEY} set. This can directly be used to
+         * access call log entries that includes voicemail records.
+         *
+         * @hide
+         */
+        public static final Uri CONTENT_URI_WITH_VOICEMAIL = CONTENT_URI.buildUpon()
+                .appendQueryParameter(ALLOW_VOICEMAILS_PARAM_KEY, "true")
+                .build();
+
+        /**
          * The default sort order for this table
          */
         public static final String DEFAULT_SORT_ORDER = "date DESC";