Merge "Make canBeImeTarget be compatible with legacy behavior" into rvc-dev
diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index 7c34ddc..6daded4 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -1249,6 +1249,7 @@
                 WindowManager.LayoutParams.TYPE_INPUT_METHOD, Gravity.BOTTOM, false);
         mWindow.getWindow().getAttributes().setFitInsetsTypes(statusBars() | navigationBars());
         mWindow.getWindow().getAttributes().setFitInsetsSides(Side.all() & ~Side.BOTTOM);
+        mWindow.getWindow().getAttributes().setFitInsetsIgnoringVisibility(true);
 
         // IME layout should always be inset by navigation bar, no matter its current visibility,
         // unless automotive requests it, since automotive may hide the navigation bar.
diff --git a/packages/SystemUI/src/com/android/systemui/wm/DisplayImeController.java b/packages/SystemUI/src/com/android/systemui/wm/DisplayImeController.java
index 5411839..bae5bb4 100644
--- a/packages/SystemUI/src/com/android/systemui/wm/DisplayImeController.java
+++ b/packages/SystemUI/src/com/android/systemui/wm/DisplayImeController.java
@@ -20,6 +20,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.content.res.Configuration;
+import android.graphics.Point;
 import android.os.Handler;
 import android.os.RemoteException;
 import android.util.Slog;
@@ -97,7 +98,7 @@
         }
         if (mSystemWindows.mDisplayController.getDisplayLayout(displayId).rotation()
                 != pd.mRotation && isImeShowing(displayId)) {
-            pd.startAnimation(true);
+            pd.startAnimation(true, false /* forceRestart */);
         }
     }
 
@@ -200,7 +201,15 @@
                         continue;
                     }
                     if (activeControl.getType() == InsetsState.ITYPE_IME) {
-                        mImeSourceControl = activeControl;
+                        mHandler.post(() -> {
+                            final Point lastSurfacePosition = mImeSourceControl != null
+                                    ? mImeSourceControl.getSurfacePosition() : null;
+                            mImeSourceControl = activeControl;
+                            if (!activeControl.getSurfacePosition().equals(lastSurfacePosition)
+                                    && mAnimation != null) {
+                                startAnimation(mImeShowing, true /* forceRestart */);
+                            }
+                        });
                     }
                 }
             }
@@ -212,7 +221,7 @@
                 return;
             }
             if (DEBUG) Slog.d(TAG, "Got showInsets for ime");
-            startAnimation(true /* show */);
+            startAnimation(true /* show */, false /* forceRestart */);
         }
 
         @Override
@@ -221,7 +230,7 @@
                 return;
             }
             if (DEBUG) Slog.d(TAG, "Got hideInsets for ime");
-            startAnimation(false /* show */);
+            startAnimation(false /* show */, false /* forceRestart */);
         }
 
         /**
@@ -239,7 +248,7 @@
             return imeSource.getFrame().top + (int) surfaceOffset;
         }
 
-        private void startAnimation(final boolean show) {
+        private void startAnimation(final boolean show, final boolean forceRestart) {
             final InsetsSource imeSource = mInsetsState.getSource(InsetsState.ITYPE_IME);
             if (imeSource == null || mImeSourceControl == null) {
                 return;
@@ -250,7 +259,7 @@
                             + (mAnimationDirection == DIRECTION_SHOW ? "SHOW"
                             : (mAnimationDirection == DIRECTION_HIDE ? "HIDE" : "NONE")));
                 }
-                if ((mAnimationDirection == DIRECTION_SHOW && show)
+                if (!forceRestart && (mAnimationDirection == DIRECTION_SHOW && show)
                         || (mAnimationDirection == DIRECTION_HIDE && !show)) {
                     return;
                 }
@@ -270,11 +279,6 @@
                 final float shownY = defaultY;
                 final float startY = show ? hiddenY : shownY;
                 final float endY = show ? shownY : hiddenY;
-                if (mImeShowing && show) {
-                    // IME is already showing, so set seek to end
-                    seekValue = shownY;
-                    seek = true;
-                }
                 mImeShowing = show;
                 mAnimation = ValueAnimator.ofFloat(startY, endY);
                 mAnimation.setDuration(
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 6481a1b..c4d700c 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -2275,9 +2275,9 @@
             return false;
         }
 
-        if (PixelFormat.formatHasAlpha(mAttrs.format) && mAttrs.alpha == 0) {
-            // Support legacy use cases where completely transparent windows can still be ime target
-            // with FLAG_NOT_FOCUSABLE and ALT_FOCUSABLE_IM set.
+        if (PixelFormat.formatHasAlpha(mAttrs.format)) {
+            // Support legacy use cases where transparent windows can still be ime target with
+            // FLAG_NOT_FOCUSABLE and ALT_FOCUSABLE_IM set.
             // Certain apps listen for IME insets using transparent windows and ADJUST_NOTHING to
             // manually synchronize app content to IME animation b/144619551.
             // TODO(b/145812508): remove this once new focus management is complete b/141738570
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
index 85e4a16..e95ccab 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
@@ -251,11 +251,9 @@
 
         // b/145812508: special legacy use-case for transparent/translucent windows.
         appWindow.mAttrs.format = PixelFormat.TRANSPARENT;
-        appWindow.mAttrs.alpha = 0;
         assertTrue(appWindow.canBeImeTarget());
 
         appWindow.mAttrs.format = PixelFormat.OPAQUE;
-        appWindow.mAttrs.alpha = 1;
         appWindow.mAttrs.flags &= ~FLAG_ALT_FOCUSABLE_IM;
         assertFalse(appWindow.canBeImeTarget());
         appWindow.mAttrs.flags &= ~FLAG_NOT_FOCUSABLE;