Merge "Change to drop down when the inline suggestions don't be shown in IME." into rvc-dev am: 5fa3f11717 am: fac896ec46

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12066145

Change-Id: I75a25b8fcfc345ff1b074d56acb12c3c0b6469c6

core/java/android/inputmethodservice/InlineSuggestionSession.java

@@ -149,6 +149,11 @@ class InlineSuggestionSession {
      */
     @MainThread
     void invalidate() {
+        try {
+            mCallback.onInlineSuggestionsSessionInvalidated();
+        } catch (RemoteException e) {
+            Log.w(TAG, "onInlineSuggestionsSessionInvalidated() remote exception:" + e);
+        }
         if (mResponseCallback != null) {
             consumeInlineSuggestionsResponse(EMPTY_RESPONSE);
             mResponseCallback.invalidate();

core/java/com/android/internal/view/IInlineSuggestionsRequestCallback.aidl

@@ -58,4 +58,7 @@ oneway interface IInlineSuggestionsRequestCallback {
     //  #onFinishInput()} is called on the field specified by the earlier
     //  {@link #onInputMethodStartInput(AutofillId)}.
     void onInputMethodFinishInput();
+
+    // Indicates that the current IME changes inline suggestion session.
+    void onInlineSuggestionsSessionInvalidated();
 }

services/autofill/java/com/android/server/autofill/AutofillInlineSuggestionsRequestSession.java

@@ -103,6 +103,8 @@ final class AutofillInlineSuggestionsRequestSession {
     private boolean mDestroyed = false;
     @GuardedBy("mLock")
     private boolean mPreviousHasNonPinSuggestionShow;
+    @GuardedBy("mLock")
+    private boolean mImeSessionInvalidated = false;
 
     AutofillInlineSuggestionsRequestSession(
             @NonNull InputMethodManagerInternal inputMethodManagerInternal, int userId,
@@ -157,7 +159,7 @@ final class AutofillInlineSuggestionsRequestSession {
             Slog.d(TAG,
                     "onInlineSuggestionsResponseLocked called for:" + inlineFillUi.getAutofillId());
         }
-        if (mImeRequest == null || mResponseCallback == null) {
+        if (mImeRequest == null || mResponseCallback == null || mImeSessionInvalidated) {
             return false;
         }
         // TODO(b/151123764): each session should only correspond to one field.
@@ -191,6 +193,7 @@ final class AutofillInlineSuggestionsRequestSession {
         if (mDestroyed) {
             return;
         }
+        mImeSessionInvalidated = false;
         if (sDebug) Slog.d(TAG, "onCreateInlineSuggestionsRequestLocked called: " + mAutofillId);
         mInputMethodManagerInternal.onCreateInlineSuggestionsRequest(mUserId,
                 new InlineSuggestionsRequestInfo(mComponentName, mAutofillId, mUiExtras),
@@ -291,6 +294,7 @@ final class AutofillInlineSuggestionsRequestSession {
                 return;
             }
             mImeRequestReceived = true;
+            mImeSessionInvalidated = false;
 
             if (request != null && callback != null) {
                 mImeRequest = request;
@@ -346,6 +350,20 @@ final class AutofillInlineSuggestionsRequestSession {
         }
     }
 
+    /**
+     * Handles the IME session status received from the IME.
+     *
+     * <p> Should only be invoked in the {@link #mHandler} thread.
+     */
+    private void handleOnReceiveImeSessionInvalidated() {
+        synchronized (mLock) {
+            if (mDestroyed) {
+                return;
+            }
+            mImeSessionInvalidated = true;
+        }
+    }
+
     private static final class InlineSuggestionsRequestCallbackImpl extends
             IInlineSuggestionsRequestCallback.Stub {
 
@@ -433,6 +451,18 @@ final class AutofillInlineSuggestionsRequestSession {
                         session, false, false));
             }
         }
+
+        @BinderThread
+        @Override
+        public void onInlineSuggestionsSessionInvalidated() throws RemoteException {
+            if (sDebug) Slog.d(TAG, "onInlineSuggestionsSessionInvalidated() called.");
+            final AutofillInlineSuggestionsRequestSession session = mSession.get();
+            if (session != null) {
+                session.mHandler.sendMessage(obtainMessage(
+                        AutofillInlineSuggestionsRequestSession
+                                ::handleOnReceiveImeSessionInvalidated, session));
+            }
+        }
     }
 
     private static boolean match(@Nullable AutofillId autofillId,

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

@@ -2128,6 +2128,11 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
         public void onInputMethodFinishInput() throws RemoteException {
             mCallback.onInputMethodFinishInput();
         }
+
+        @Override
+        public void onInlineSuggestionsSessionInvalidated() throws RemoteException {
+            mCallback.onInlineSuggestionsSessionInvalidated();
+        }
     }
 
     /**