Add support for integrating call composer

* Minor bugfix in call log to handle USER_CURRENT
* add TelephonyLocalConnection that allows frameworks/opt/telephony to
call code (indirectly) in packages/services/Telephony

Bug: 177613111
Test: atest CallComposerTest

Change-Id: I602b51da6009c884364a026781ca3c160978fbd1

core/java/android/provider/CallLog.java

@@ -249,11 +249,13 @@ public class CallLog {
             // Nasty casework for the shadow calllog begins...
             // First see if we're just inserting for one user. If so, insert into the shadow
             // based on whether that user is unlocked.
-            if (user != null) {
+            UserHandle realUser = UserHandle.CURRENT.equals(user)
-                Uri baseUri = userManager.isUserUnlocked(user) ? CALL_COMPOSER_PICTURE_URI
+                    ? android.os.Process.myUserHandle() : user;
+            if (realUser != null) {
+                Uri baseUri = userManager.isUserUnlocked(realUser) ? CALL_COMPOSER_PICTURE_URI
                         : SHADOW_CALL_COMPOSER_PICTURE_URI;
                 Uri pictureInsertionUri = ContentProvider.maybeAddUserId(baseUri,
-                        user.getIdentifier());
+                        realUser.getIdentifier());
                 Log.i(LOG_TAG, "Inserting call composer for single user at "
                         + pictureInsertionUri);
 

telecomm/java/android/telecom/TelecomManager.java

@@ -324,10 +324,10 @@ public class TelecomManager {
      */
     public static final String EXTRA_INCOMING_PICTURE = "android.telecom.extra.INCOMING_PICTURE";
 
-    // TODO(hallliu), This UUID is obtained from TelephonyManager#uploadCallComposerPicture.
     /**
      * A ParcelUuid used as a token to represent a picture that was uploaded prior to the call
-     * being placed.
+     * being placed. The value of this extra should be set using the {@link android.os.ParcelUuid}
+     * obtained from the callback in {@link TelephonyManager#uploadCallComposerPicture}.
      */
     public static final String EXTRA_OUTGOING_PICTURE = "android.telecom.extra.OUTGOING_PICTURE";
 

telephony/java/android/telephony/TelephonyLocalConnection.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony;
+
+import java.util.UUID;
+
+/**
+ * Shim used for code in frameworks/opt/telephony to be able to call code in
+ * packages/services/Telephony. A singleton instance of this class is set when the phone process
+ * is brought up.
+ * @hide
+ */
+public class TelephonyLocalConnection {
+    public interface ConnectionImpl {
+        String getCallComposerServerUrlForHandle(int subscriptionId, UUID uuid);
+    }
+    private static ConnectionImpl sInstance;
+
+    public static String getCallComposerServerUrlForHandle(int subscriptionId, UUID uuid) {
+        checkInstance();
+        return sInstance.getCallComposerServerUrlForHandle(subscriptionId, uuid);
+    }
+
+    private static void checkInstance() {
+        if (sInstance == null) {
+            throw new IllegalStateException("Connection impl is null!");
+        }
+    }
+
+    public static void setInstance(ConnectionImpl impl) {
+        sInstance = impl;
+    }
+}