Merge "ImeVisibilityApplier: fix hideIme no-op for Embedded display case." into udc-dev am: 263ab0dd8f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21946160

Change-Id: I5186ee7f526bfdf1547d49dbc900a7753edf5bc1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

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

@@ -136,17 +136,16 @@ final class DefaultImeVisibilityApplier implements ImeVisibilityApplier {
                 mWindowManagerInternal.showImePostLayout(windowToken, statsToken);
                 break;
             case STATE_HIDE_IME:
-                if (mService.mCurFocusedWindowClient != null) {
+                if (mService.hasAttachedClient()) {
                     ImeTracker.forLogging().onProgress(statsToken,
                             ImeTracker.PHASE_SERVER_APPLY_IME_VISIBILITY);
                     // IMMS only knows of focused window, not the actual IME target.
                     // e.g. it isn't aware of any window that has both
                     // NOT_FOCUSABLE, ALT_FOCUSABLE_IM flags set and can the IME target.
-                    // Send it to window manager to hide IME from IME target window.
-                    // TODO(b/139861270): send to mCurClient.client once IMMS is aware of
-                    // actual IME target.
+                    // Send it to window manager to hide IME from the actual IME control target
+                    // of the target display.
                     mWindowManagerInternal.hideIme(windowToken,
-                            mService.mCurFocusedWindowClient.mSelfReportedDisplayId, statsToken);
+                            mService.getDisplayIdToShowImeLocked(), statsToken);
                 } else {
                     ImeTracker.forLogging().onFailed(statsToken,
                             ImeTracker.PHASE_SERVER_APPLY_IME_VISIBILITY);

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

@@ -2339,6 +2339,19 @@ public final class InputMethodManagerService extends IInputMethodManager.Stub
         }
     }
 
+    /** {@code true} when a {@link ClientState} has attached from starting the input connection. */
+    @GuardedBy("ImfLock.class")
+    boolean hasAttachedClient() {
+        return mCurClient != null;
+    }
+
+    @VisibleForTesting
+    void setAttachedClientForTesting(@NonNull ClientState cs) {
+        synchronized (ImfLock.class) {
+            mCurClient = cs;
+        }
+    }
+
     @GuardedBy("ImfLock.class")
     void clearInputShownLocked() {
         mVisibilityStateComputer.setInputShown(false);

services/core/java/com/android/server/wm/WindowManagerInternal.java

@@ -740,7 +740,7 @@ public abstract class WindowManagerInternal {
     /**
      * Show IME on imeTargetWindow once IME has finished layout.
      *
-     * @param imeTargetWindowToken token of the (IME target) window on which IME should be shown.
+     * @param imeTargetWindowToken token of the (IME target) window which IME should be shown.
      * @param statsToken the token tracking the current IME show request or {@code null} otherwise.
      */
     public abstract void showImePostLayout(IBinder imeTargetWindowToken,
@@ -749,7 +749,7 @@ public abstract class WindowManagerInternal {
     /**
      * Hide IME using imeTargetWindow when requested.
      *
-     * @param imeTargetWindowToken token of the (IME target) window on which IME should be hidden.
+     * @param imeTargetWindowToken token of the (IME target) window on which requests hiding IME.
      * @param displayId the id of the display the IME is on.
      * @param statsToken the token tracking the current IME hide request or {@code null} otherwise.
      */

services/tests/InputMethodSystemServerTests/src/com/android/server/inputmethod/DefaultImeVisibilityApplierTest.java

@@ -17,6 +17,7 @@
 package com.android.server.inputmethod;
 
 import static android.inputmethodservice.InputMethodService.IME_ACTIVE;
+import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE;
 
 import static com.android.internal.inputmethod.SoftInputShowHideReason.HIDE_SOFT_INPUT;
 import static com.android.internal.inputmethod.SoftInputShowHideReason.SHOW_SOFT_INPUT;
@@ -35,11 +36,16 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
 import android.os.Binder;
+import android.os.IBinder;
 import android.os.RemoteException;
 import android.view.inputmethod.InputMethodManager;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
+import com.android.internal.inputmethod.InputBindResult;
+import com.android.internal.inputmethod.StartInputFlags;
+import com.android.internal.inputmethod.StartInputReason;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -60,8 +66,8 @@ public class DefaultImeVisibilityApplierTest extends InputMethodManagerServiceTe
         super.setUp();
         mVisibilityApplier =
                 (DefaultImeVisibilityApplier) mInputMethodManagerService.getVisibilityApplier();
-        mInputMethodManagerService.mCurFocusedWindowClient = mock(
-                InputMethodManagerService.ClientState.class);
+        mInputMethodManagerService.setAttachedClientForTesting(
+                mock(InputMethodManagerService.ClientState.class));
     }
 
     @Test
@@ -119,4 +125,38 @@ public class DefaultImeVisibilityApplierTest extends InputMethodManagerServiceTe
         mVisibilityApplier.applyImeVisibility(mWindowToken, null, STATE_SHOW_IME_IMPLICIT);
         verifyShowSoftInput(true, true, InputMethodManager.SHOW_IMPLICIT);
     }
+
+    @Test
+    public void testApplyImeVisibility_hideImeFromTargetOnSecondaryDisplay() {
+        // Init a IME target client on the secondary display to show IME.
+        mInputMethodManagerService.addClient(mMockInputMethodClient, mMockRemoteInputConnection,
+                10 /* selfReportedDisplayId */);
+        mInputMethodManagerService.setAttachedClientForTesting(null);
+        startInputOrWindowGainedFocus(mWindowToken, SOFT_INPUT_STATE_ALWAYS_VISIBLE);
+
+        synchronized (ImfLock.class) {
+            final int displayIdToShowIme = mInputMethodManagerService.getDisplayIdToShowImeLocked();
+            // Verify hideIme will apply the expected displayId when the default IME
+            // visibility applier app STATE_HIDE_IME.
+            mVisibilityApplier.applyImeVisibility(mWindowToken, null, STATE_HIDE_IME);
+            verify(mInputMethodManagerService.mWindowManagerInternal).hideIme(
+                    eq(mWindowToken), eq(displayIdToShowIme), eq(null));
+        }
+    }
+
+    private InputBindResult startInputOrWindowGainedFocus(IBinder windowToken, int softInputMode) {
+        return mInputMethodManagerService.startInputOrWindowGainedFocus(
+                StartInputReason.WINDOW_FOCUS_GAIN /* startInputReason */,
+                mMockInputMethodClient /* client */,
+                windowToken /* windowToken */,
+                StartInputFlags.VIEW_HAS_FOCUS | StartInputFlags.IS_TEXT_EDITOR,
+                softInputMode /* softInputMode */,
+                0 /* windowFlags */,
+                mEditorInfo /* editorInfo */,
+                mMockRemoteInputConnection /* inputConnection */,
+                mMockRemoteAccessibilityInputConnection /* remoteAccessibilityInputConnection */,
+                mTargetSdkVersion /* unverifiedTargetSdkVersion */,
+                mCallingUserId /* userId */,
+                mMockImeOnBackInvokedDispatcher /* imeDispatcher */);
+    }
 }