Rename CDM receiveMessage to dispatchMessage

Fix: 200940347

Test: N/A
Change-Id: Iea73ff7a2820f8b7711e105fc604a2e0b8901fc7

core/api/current.txt

@@ -9895,11 +9895,11 @@ package android.companion {
 
   public abstract class CompanionDeviceService extends android.app.Service {
     ctor public CompanionDeviceService();
+    method @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES) public final void dispatchMessage(int, int, @NonNull byte[]);
     method @Nullable public final android.os.IBinder onBind(@NonNull android.content.Intent);
     method @MainThread public abstract void onDeviceAppeared(@NonNull String);
     method @MainThread public abstract void onDeviceDisappeared(@NonNull String);
-    method @MainThread public void onSendMessage(int, int, @NonNull byte[]);
-    method @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES) public final void receiveMessage(int, int, @NonNull byte[]);
+    method @MainThread public void onDispatchMessage(int, int, @NonNull byte[]);
     field public static final String SERVICE_INTERFACE = "android.companion.CompanionDeviceService";
   }
 

core/java/android/companion/CompanionDeviceManager.java

@@ -445,10 +445,7 @@ public final class CompanionDeviceManager {
     }
 
     /**
-     * Dispatch received message to system for processing.
-     *
-     * <p>Messages received from {@link CompanionDeviceService#onSendMessage}, which is implemented
-     * on another device, need to be dispatched to system for processing.</p>
+     * Dispatch a message to system for processing.
      *
      * <p>Calling app must declare uses-permission
      * {@link android.Manifest.permission#DELIVER_COMPANION_MESSAGES}</p>
@@ -463,10 +460,10 @@ public final class CompanionDeviceManager {
      * @hide
      */
     @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES)
-    public void receiveMessage(int messageId, int associationId, @NonNull byte[] message)
+    public void dispatchMessage(int messageId, int associationId, @NonNull byte[] message)
             throws DeviceNotAssociatedException {
         try {
-            mService.receiveMessage(messageId, associationId, message);
+            mService.dispatchMessage(messageId, associationId, message);
         } catch (RemoteException e) {
             ExceptionUtils.propagateIfInstanceOf(e.getCause(), DeviceNotAssociatedException.class);
             throw e.rethrowFromSystemServer();

core/java/android/companion/CompanionDeviceService.java

@@ -88,20 +88,21 @@ public abstract class CompanionDeviceService extends Service {
     public abstract void onDeviceDisappeared(@NonNull String address);
 
     /**
-     * Called by system whenever the system tries to send a message to an associated device.
+     * Called by system whenever the system dispatches a message to the app to send it to
+     * an associated device.
      *
      * @param messageId system assigned id of the message to be sent
      * @param associationId association id of the associated device
      * @param message message to be sent
      */
     @MainThread
-    public void onSendMessage(int messageId, int associationId, @NonNull byte[] message) {
+    public void onDispatchMessage(int messageId, int associationId, @NonNull byte[] message) {
         // do nothing. Companion apps can override this function for system to send messages.
     }
 
     /**
-     * Called when there's message received from an associated device, which needs to be dispatched
-     * to system for processing.
+     * App calls this method when there's a message received from an associated device,
+     * which needs to be dispatched to system for processing.
      *
      * <p>Calling app must declare uses-permission
      * {@link android.Manifest.permission#DELIVER_COMPANION_MESSAGES}</p>
@@ -111,10 +112,10 @@ public abstract class CompanionDeviceService extends Service {
      * @param message messaged received from the associated device
      */
     @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES)
-    public final void receiveMessage(int messageId, int associationId, @NonNull byte[] message) {
+    public final void dispatchMessage(int messageId, int associationId, @NonNull byte[] message) {
         CompanionDeviceManager companionDeviceManager =
                 getSystemService(CompanionDeviceManager.class);
-        companionDeviceManager.receiveMessage(messageId, associationId, message);
+        companionDeviceManager.dispatchMessage(messageId, associationId, message);
     }
 
     @Nullable
@@ -144,16 +145,16 @@ public abstract class CompanionDeviceService extends Service {
                     CompanionDeviceService.this, address));
         }
 
-        public void onSendMessage(int messageId, int associationId, @NonNull byte[] message) {
+        public void onDispatchMessage(int messageId, int associationId, @NonNull byte[] message) {
             Handler.getMain().sendMessage(PooledLambda.obtainMessage(
-                    CompanionDeviceService::onSendMessage,
+                    CompanionDeviceService::onDispatchMessage,
                     CompanionDeviceService.this, messageId, associationId, message));
         }
 
-        public final void receiveMessage(int messageId, int associationId,
+        public final void dispatchMessage(int messageId, int associationId,
                 @NonNull byte[] message) {
             Handler.getMain().sendMessage(PooledLambda.obtainMessage(
-                    CompanionDeviceService::receiveMessage,
+                    CompanionDeviceService::dispatchMessage,
                     CompanionDeviceService.this, messageId, associationId, message));
         }
     }

core/java/android/companion/ICompanionDeviceManager.aidl

@@ -55,5 +55,5 @@ interface ICompanionDeviceManager {
     void createAssociation(in String packageName, in String macAddress, int userId,
         in byte[] certificate);
 
-    void receiveMessage(in int messageId, in int associationId, in byte[] message);
+    void dispatchMessage(in int messageId, in int associationId, in byte[] message);
 }

core/java/android/companion/ICompanionDeviceService.aidl

@@ -20,5 +20,5 @@ package android.companion;
 oneway interface ICompanionDeviceService {
     void onDeviceAppeared(in String address);
     void onDeviceDisappeared(in String address);
-    void onSendMessage(in int messageId, in int associationId, in byte[] message);
+    void onDispatchMessage(in int messageId, in int associationId, in byte[] message);
 }

services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java

@@ -631,7 +631,7 @@ public class CompanionDeviceManagerService extends SystemService implements Bind
         }
 
         @Override
-        public void receiveMessage(int messageId, int associationId, byte[] message)
+        public void dispatchMessage(int messageId, int associationId, byte[] message)
                 throws RemoteException {
             //TODO: b/199427116
         }