nyancrimew/LatinIME
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Fix an NPE

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Also remove an unused method and make 2 private variables
final.

Bug: 8461093
Change-Id: I676d93fda28e82eb5a6978f2e7ad5a0add2cbecf
This commit is contained in:
Jean Chalard 2013-03-29 18:39:28 +09:00
parent 48d8d8d0ae
commit 740da0d8d0
1 changed files with 10 additions and 18 deletions
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28
java/src/com/android/inputmethod/latin/RichInputConnection.java
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@ -60,11 +60,11 @@ public final class RichInputConnection {
* This contains the committed text immediately preceding the cursor and the composing
* text if any. It is refreshed when the cursor moves by calling upon the TextView.
*/
private StringBuilder mCommittedTextBeforeComposingText = new StringBuilder();
private final StringBuilder mCommittedTextBeforeComposingText = new StringBuilder();
/**
* This contains the currently composing text, as LatinIME thinks the TextView is seeing it.
*/
private StringBuilder mComposingText = new StringBuilder();
private final StringBuilder mComposingText = new StringBuilder();
// A hint on how many characters to cache from the TextView. A good value of this is given by
// how many characters we need to be able to almost always find the caps mode.
private static final int DEFAULT_TEXT_CACHE_SIZE = 100;
@ -334,13 +334,15 @@ public final class RichInputConnection {
mCurrentCursorPosition = end;
final CharSequence textBeforeCursor =
getTextBeforeCursor(DEFAULT_TEXT_CACHE_SIZE + (end - start), 0);
final int indexOfStartOfComposingText =
Math.max(textBeforeCursor.length() - (end - start), 0);
mComposingText.append(textBeforeCursor.subSequence(indexOfStartOfComposingText,
textBeforeCursor.length()));
mCommittedTextBeforeComposingText.setLength(0);
mCommittedTextBeforeComposingText.append(
textBeforeCursor.subSequence(0, indexOfStartOfComposingText));
if (!TextUtils.isEmpty(textBeforeCursor)) {
final int indexOfStartOfComposingText =
Math.max(textBeforeCursor.length() - (end - start), 0);
mComposingText.append(textBeforeCursor.subSequence(indexOfStartOfComposingText,
textBeforeCursor.length()));
mCommittedTextBeforeComposingText.append(
textBeforeCursor.subSequence(0, indexOfStartOfComposingText));
}
if (null != mIC) {
mIC.setComposingRegion(start, end);
}
@ -502,16 +504,6 @@ public final class RichInputConnection {
return (r == null) ? null : r.mWord;
}
private int getCursorPosition() {
mIC = mParent.getCurrentInputConnection();
if (null == mIC) return INVALID_CURSOR_POSITION;
final ExtractedText extracted = mIC.getExtractedText(new ExtractedTextRequest(), 0);
if (extracted == null) {
return INVALID_CURSOR_POSITION;
}
return extracted.startOffset + extracted.selectionStart;
}
/**
* Returns the text surrounding the cursor.
*