From b8fa10080dfac777fce7c8a7fc3180e8b540f9f5 Mon Sep 17 00:00:00 2001
From: Amith Yamasani <yamasani@google.com>
Date: Tue, 28 Sep 2010 16:35:29 -0700
Subject: [PATCH] Check recorrection on focusing into a text field that has
 text already.

Bug: 3004827
Change-Id: I00e9d925fcf17fa9f7a9aefe6572a648e023be11
---
 .../android/inputmethod/latin/LatinIME.java   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 26f8a328b..0bfcc0704 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -676,10 +676,33 @@ public class LatinIME extends InputMethodService
         inputView.setPreviewEnabled(mPopupOn);
         inputView.setProximityCorrectionEnabled(true);
         mPredictionOn = mPredictionOn && (mCorrectionMode > 0 || mShowSuggestions);
+        // If we just entered a text field, maybe it has some old text that requires correction
+        checkReCorrectionOnStart();
         checkTutorial(attribute.privateImeOptions);
         if (TRACE) Debug.startMethodTracing("/data/trace/latinime");
     }
 
+    private void checkReCorrectionOnStart() {
+        if (mReCorrectionEnabled && isPredictionOn()) {
+            // First get the cursor position. This is required by setOldSuggestions(), so that
+            // it can pass the correct range to setComposingRegion(). At this point, we don't
+            // have valid values for mLastSelectionStart/Stop because onUpdateSelection() has
+            // not been called yet.
+            InputConnection ic = getCurrentInputConnection();
+            if (ic == null) return;
+            ExtractedTextRequest etr = new ExtractedTextRequest();
+            etr.token = 0; // anything is fine here
+            ExtractedText et = ic.getExtractedText(etr, 0);
+            if (et == null) return;
+
+            mLastSelectionStart = et.startOffset + et.selectionStart;
+            mLastSelectionEnd = et.startOffset + et.selectionEnd;
+
+            // Then look for possible corrections in a delayed fashion
+            if (!TextUtils.isEmpty(et.text)) postUpdateOldSuggestions();
+        }
+    }
+
     @Override
     public void onFinishInput() {
         super.onFinishInput();