Cleanup before fixing getTextAfterCursor().

We never delete text after the cursor, so constrain the API accordingly.
Define the number of characters to read before and after.
Set them to reasonable values.
The next CL will start caching text after the cursor.

Bug 21926256.

Change-Id: Idd58daf68614de4a69344aa3c8a4323720c5d3a0

1 files changed, 9 insertions, 9 deletions

diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
index 975ed7c01..87c3ddbc8 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -1053,7 +1053,7 @@ public final class InputLogic {
                 // Cancel multi-character input: remove the text we just entered.
                 // This is triggered on backspace after a key that inputs multiple characters,
                 // like the smiley key or the .com key.
-                mConnection.deleteSurroundingText(mEnteredText.length(), 0);
+                mConnection.deleteTextBeforeCursor(mEnteredText.length());
                 StatsUtils.onDeleteMultiCharInput(mEnteredText.length());
                 mEnteredText = null;
                 // If we have mEnteredText, then we know that mHasUncommittedTypedChars == false.
@@ -1098,7 +1098,7 @@ public final class InputLogic {
                         - mConnection.getExpectedSelectionStart();
                 mConnection.setSelection(mConnection.getExpectedSelectionEnd(),
                         mConnection.getExpectedSelectionEnd());
-                mConnection.deleteSurroundingText(numCharsDeleted, 0);
+                mConnection.deleteTextBeforeCursor(numCharsDeleted);
                 StatsUtils.onBackspaceSelectedText(numCharsDeleted);
             } else {
                 // There is no selection, just delete one character.
@@ -1138,13 +1138,13 @@ public final class InputLogic {
                         // broken apps expect something to happen in this case so that they can
                         // catch it and have their broken interface react. If you need the keyboard
                         // to do this, you're doing it wrong -- please fix your app.
-                        mConnection.deleteSurroundingText(1, 0);
+                        mConnection.deleteTextBeforeCursor(1);
                         // TODO: Add a new StatsUtils method onBackspaceWhenNoText()
                         return;
                     }
                     final int lengthToDelete =
                             Character.isSupplementaryCodePoint(codePointBeforeCursor) ? 2 : 1;
-                    mConnection.deleteSurroundingText(lengthToDelete, 0);
+                    mConnection.deleteTextBeforeCursor(lengthToDelete);
                     int totalDeletedLength = lengthToDelete;
                     if (mDeleteCount > Constants.DELETE_ACCELERATE_AT) {
                         // If this is an accelerated (i.e., double) deletion, then we need to
@@ -1157,7 +1157,7 @@ public final class InputLogic {
                         if (codePointBeforeCursorToDeleteAgain != Constants.NOT_A_CODE) {
                             final int lengthToDeleteAgain = Character.isSupplementaryCodePoint(
                                     codePointBeforeCursorToDeleteAgain) ? 2 : 1;
-                            mConnection.deleteSurroundingText(lengthToDeleteAgain, 0);
+                            mConnection.deleteTextBeforeCursor(lengthToDeleteAgain);
                             totalDeletedLength += lengthToDeleteAgain;
                         }
                     }
@@ -1241,7 +1241,7 @@ public final class InputLogic {
         if (Constants.CODE_SPACE != codePointBeforeCursor) {
             return false;
         }
-        mConnection.deleteSurroundingText(1, 0);
+        mConnection.deleteTextBeforeCursor(1);
         final String text = event.getTextToCommit() + " ";
         mConnection.commitText(text, 1);
         inputTransaction.requireShiftUpdate(InputTransaction.SHIFT_UPDATE_NOW);
@@ -1331,7 +1331,7 @@ public final class InputLogic {
                         Character.codePointAt(lastTwo, length - 3) : lastTwo.charAt(length - 2);
         if (canBeFollowedByDoubleSpacePeriod(firstCodePoint)) {
             cancelDoubleSpacePeriodCountdown();
-            mConnection.deleteSurroundingText(1, 0);
+            mConnection.deleteTextBeforeCursor(1);
             final String textToInsert = inputTransaction.mSettingsValues.mSpacingAndPunctuations
                     .mSentenceSeparatorAndSpace;
             mConnection.commitText(textToInsert, 1);
@@ -1399,7 +1399,7 @@ public final class InputLogic {
         mConnection.finishComposingText();
         mRecapitalizeStatus.rotate();
         mConnection.setSelection(selectionEnd, selectionEnd);
-        mConnection.deleteSurroundingText(numCharsSelected, 0);
+        mConnection.deleteTextBeforeCursor(numCharsSelected);
         mConnection.commitText(mRecapitalizeStatus.getRecapitalizedString(), 0);
         mConnection.setSelection(mRecapitalizeStatus.getNewCursorStart(),
                 mRecapitalizeStatus.getNewCursorEnd());
@@ -1637,7 +1637,7 @@ public final class InputLogic {
                         + "\", but before the cursor we found \"" + wordBeforeCursor + "\"");
             }
         }
-        mConnection.deleteSurroundingText(deleteLength, 0);
+        mConnection.deleteTextBeforeCursor(deleteLength);
         if (!TextUtils.isEmpty(committedWord)) {
             unlearnWord(committedWordString, inputTransaction.mSettingsValues,
                     Constants.EVENT_REVERT);