Merge "Unregister ImeInsetsSourceConsumer when focus lost" into qt-dev

am: c1a0fbcec5

Change-Id: Idde12e81d4f41ab039823470302e099a3c225f68

core/java/android/view/ImeInsetsSourceConsumer.java

@@ -85,6 +85,7 @@ public final class ImeInsetsSourceConsumer extends InsetsSourceConsumer {
     @Override
     public void onWindowFocusLost() {
         mHasWindowFocus = false;
+        getImm().unregisterImeConsumer(this);
     }
 
     /**

core/java/android/view/inputmethod/InputMethodManager.java

@@ -1950,6 +1950,23 @@ public final class InputMethodManager {
         }
     }
 
+    /**
+     * Unregister for IME state callbacks and applying visibility in
+     * {@link android.view.ImeInsetsSourceConsumer}.
+     * @hide
+     */
+    public void unregisterImeConsumer(@NonNull ImeInsetsSourceConsumer imeInsetsConsumer) {
+        if (imeInsetsConsumer == null) {
+            throw new IllegalStateException("ImeInsetsSourceConsumer cannot be null.");
+        }
+
+        synchronized (mH) {
+            if (mImeInsetsConsumer == imeInsetsConsumer) {
+                mImeInsetsConsumer = null;
+            }
+        }
+    }
+
     /**
      * Call showSoftInput with currently focused view.
      * @return {@code true} if IME can be shown.