Introduce new API for floating window support

This CL introduces a new API IMM#updateCursorAnchorInfo for
floating window support.

BUG: 14579622
Change-Id: I61dec2f8fa671ba891da1d4af08975750e3acb04

1 files changed, 23 insertions, 0 deletions

diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index f6438b444cb5..4bccaf1d6f52 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -51,6 +51,7 @@ import android.view.WindowManager;
 import android.view.WindowManager.BadTokenException;
 import android.view.animation.AnimationUtils;
 import android.view.inputmethod.CompletionInfo;
+import android.view.inputmethod.CursorAnchorInfo;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.ExtractedText;
 import android.view.inputmethod.ExtractedTextRequest;
@@ -545,6 +546,17 @@ public class InputMethodService extends AbstractInputMethodService {
         public void toggleSoftInput(int showFlags, int hideFlags) {
             InputMethodService.this.onToggleSoftInput(showFlags, hideFlags);
         }
+
+        /**
+         * Call {@link InputMethodService#onUpdateCursorAnchorInfo
+         * InputMethodService.onUpdateCursorAnchorInfo()}.
+         */
+        public void updateCursorAnchorInfo(CursorAnchorInfo info) {
+            if (!isEnabled()) {
+                return;
+            }
+            InputMethodService.this.onUpdateCursorAnchorInfo(info);
+        }
     }
     
     /**
@@ -1717,6 +1729,17 @@ public class InputMethodService extends AbstractInputMethodService {
     }
 
     /**
+     * Called when the application has reported a new location of its text insertion point and
+     * characters in the composition string.  This is only called if explicitly requested by the
+     * input method. The default implementation does nothing.
+     * @param cursorAnchorInfo The positional information of the text insertion point and the
+     * composition string.
+     */
+    public void onUpdateCursorAnchorInfo(CursorAnchorInfo cursorAnchorInfo) {
+        // Intentionally empty
+    }
+
+    /**
      * Update the cursor/anthor monitor mode.
      */
     public void setCursorAnchorMonitorMode(int monitorMode) {