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Rename mExpectedCursorStart to mExpectedSelStart

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Change-Id: If23d8bd73fe464f12f473e093dc87ed68756e1ec
This commit is contained in:
Kurt Partridge 2013-11-05 17:48:51 -08:00
parent a2632aabf7
commit 2bf3a77814
1 changed files with 34 additions and 34 deletions
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68
java/src/com/android/inputmethod/latin/RichInputConnection.java
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@ -64,7 +64,7 @@ public final class RichInputConnection {
* It's not really the cursor position: the cursor may not be there yet, and it's also expected
* there be cases where it never actually comes to be there.
*/
private int mExpectedCursorPosition = INVALID_CURSOR_POSITION; // in chars, not code points
private int mExpectedSelStart = INVALID_CURSOR_POSITION; // in chars, not code points
/**
* 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.
@ -103,16 +103,16 @@ public final class RichInputConnection {
final String reference = (beforeCursor.length() <= actualLength) ? beforeCursor.toString()
: beforeCursor.subSequence(beforeCursor.length() - actualLength,
beforeCursor.length()).toString();
if (et.selectionStart != mExpectedCursorPosition
if (et.selectionStart != mExpectedSelStart
|| !(reference.equals(internal.toString()))) {
final String context = "Expected cursor position = " + mExpectedCursorPosition
+ "\nActual cursor position = " + et.selectionStart
final String context = "Expected selection start = " + mExpectedSelStart
+ "\nActual selection start = " + et.selectionStart
+ "\nExpected text = " + internal.length() + " " + internal
+ "\nActual text = " + reference.length() + " " + reference;
((LatinIME)mParent).debugDumpStateAndCrashWithException(context);
} else {
Log.e(TAG, DebugLogUtils.getStackTrace(2));
Log.e(TAG, "Exp <> Actual : " + mExpectedCursorPosition + " <> " + et.selectionStart);
Log.e(TAG, "Exp <> Actual : " + mExpectedSelStart + " <> " + et.selectionStart);
}
}
@ -150,15 +150,15 @@ public final class RichInputConnection {
* data, so we empty the cache and note that we don't know the new cursor position, and we
* return false so that the caller knows about this and can retry later.
*
* @param newCursorPosition The new position of the cursor, as received from the system.
* @param newSelStart The new position of the selection start, as received from the system.
* @param shouldFinishComposition Whether we should finish the composition in progress.
* @return true if we were able to connect to the editor successfully, false otherwise. When
* this method returns false, the caches could not be correctly refreshed so they were only
* reset: the caller should try again later to return to normal operation.
*/
public boolean resetCachesUponCursorMoveAndReturnSuccess(final int newCursorPosition,
public boolean resetCachesUponCursorMoveAndReturnSuccess(final int newSelStart,
final boolean shouldFinishComposition) {
mExpectedCursorPosition = newCursorPosition;
mExpectedSelStart = newSelStart;
mComposingText.setLength(0);
final boolean didReloadTextSuccessfully = reloadTextCache();
if (!didReloadTextSuccessfully) {
@ -166,14 +166,14 @@ public final class RichInputConnection {
return false;
}
final int lengthOfTextBeforeCursor = mCommittedTextBeforeComposingText.length();
if (lengthOfTextBeforeCursor > newCursorPosition
if (lengthOfTextBeforeCursor > newSelStart
|| (lengthOfTextBeforeCursor < Constants.EDITOR_CONTENTS_CACHE_SIZE
&& newCursorPosition < Constants.EDITOR_CONTENTS_CACHE_SIZE)) {
// newCursorPosition may be lying -- when rotating the device (probably a framework
// bug). If we have less chars than we asked for, then we know how many chars we have,
// and if we got more than newCursorPosition says, then we know it was lying. In both
// cases the length is more reliable
mExpectedCursorPosition = lengthOfTextBeforeCursor;
&& newSelStart < Constants.EDITOR_CONTENTS_CACHE_SIZE)) {
// newSelStart may be lying -- when rotating the device (probably a framework bug). If
// we have less chars than we asked for, then we know how many chars we have, and if we
// got more than newSelStart says, then we know it was lying. In both cases the length
// is more reliable.
mExpectedSelStart = lengthOfTextBeforeCursor;
}
if (null != mIC && shouldFinishComposition) {
mIC.finishComposingText();
@ -199,7 +199,7 @@ public final class RichInputConnection {
if (null == textBeforeCursor) {
// For some reason the app thinks we are not connected to it. This looks like a
// framework bug... Fall back to ground state and return false.
mExpectedCursorPosition = INVALID_CURSOR_POSITION;
mExpectedSelStart = INVALID_CURSOR_POSITION;
Log.e(TAG, "Unable to connect to the editor to retrieve text.");
return false;
}
@ -232,7 +232,7 @@ public final class RichInputConnection {
if (DEBUG_BATCH_NESTING) checkBatchEdit();
if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
mCommittedTextBeforeComposingText.append(text);
mExpectedCursorPosition += text.length() - mComposingText.length();
mExpectedSelStart += text.length() - mComposingText.length();
mComposingText.setLength(0);
if (null != mIC) {
mIC.commitText(text, i);
@ -245,7 +245,7 @@ public final class RichInputConnection {
}
public boolean canDeleteCharacters() {
return mExpectedCursorPosition > 0;
return mExpectedSelStart > 0;
}
/**
@ -282,7 +282,7 @@ public final class RichInputConnection {
// heavy pressing of delete, for example DEFAULT_TEXT_CACHE_SIZE - 5 times or so.
// getCapsMode should be updated to be able to return a "not enough info" result so that
// we can get more context only when needed.
if (TextUtils.isEmpty(mCommittedTextBeforeComposingText) && 0 != mExpectedCursorPosition) {
if (TextUtils.isEmpty(mCommittedTextBeforeComposingText) && 0 != mExpectedSelStart) {
if (!reloadTextCache()) {
Log.w(TAG, "Unable to connect to the editor. "
+ "Setting caps mode without knowing text.");
@ -308,8 +308,8 @@ public final class RichInputConnection {
// However, if we don't have an expected cursor position, then we should always
// go fetch the cache again (as it happens, INVALID_CURSOR_POSITION < 0, so we need to
// test for this explicitly)
if (INVALID_CURSOR_POSITION != mExpectedCursorPosition
&& (cachedLength >= n || cachedLength >= mExpectedCursorPosition)) {
if (INVALID_CURSOR_POSITION != mExpectedSelStart
&& (cachedLength >= n || cachedLength >= mExpectedSelStart)) {
final StringBuilder s = new StringBuilder(mCommittedTextBeforeComposingText);
// We call #toString() here to create a temporary object.
// In some situations, this method is called on a worker thread, and it's possible
@ -349,10 +349,10 @@ public final class RichInputConnection {
+ remainingChars, 0);
mCommittedTextBeforeComposingText.setLength(len);
}
if (mExpectedCursorPosition > beforeLength) {
mExpectedCursorPosition -= beforeLength;
if (mExpectedSelStart > beforeLength) {
mExpectedSelStart -= beforeLength;
} else {
mExpectedCursorPosition = 0;
mExpectedSelStart = 0;
}
if (null != mIC) {
mIC.deleteSurroundingText(beforeLength, afterLength);
@ -386,7 +386,7 @@ public final class RichInputConnection {
switch (keyEvent.getKeyCode()) {
case KeyEvent.KEYCODE_ENTER:
mCommittedTextBeforeComposingText.append("\n");
mExpectedCursorPosition += 1;
mExpectedSelStart += 1;
break;
case KeyEvent.KEYCODE_DEL:
if (0 == mComposingText.length()) {
@ -398,18 +398,18 @@ public final class RichInputConnection {
} else {
mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
}
if (mExpectedCursorPosition > 0) mExpectedCursorPosition -= 1;
if (mExpectedSelStart > 0) mExpectedSelStart -= 1;
break;
case KeyEvent.KEYCODE_UNKNOWN:
if (null != keyEvent.getCharacters()) {
mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
mExpectedCursorPosition += keyEvent.getCharacters().length();
mExpectedSelStart += keyEvent.getCharacters().length();
}
break;
default:
final String text = new String(new int[] { keyEvent.getUnicodeChar() }, 0, 1);
mCommittedTextBeforeComposingText.append(text);
mExpectedCursorPosition += text.length();
mExpectedSelStart += text.length();
break;
}
}
@ -443,7 +443,7 @@ public final class RichInputConnection {
public void setComposingText(final CharSequence text, final int newCursorPosition) {
if (DEBUG_BATCH_NESTING) checkBatchEdit();
if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
mExpectedCursorPosition += text.length() - mComposingText.length();
mExpectedSelStart += text.length() - mComposingText.length();
mComposingText.setLength(0);
mComposingText.append(text);
// TODO: support values of i != 1. At this time, this is never called with i != 1.
@ -469,7 +469,7 @@ public final class RichInputConnection {
public boolean setSelection(final int start, final int end) {
if (DEBUG_BATCH_NESTING) checkBatchEdit();
if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
mExpectedCursorPosition = start;
mExpectedSelStart = start;
if (null != mIC) {
final boolean isIcValid = mIC.setSelection(start, end);
if (!isIcValid) {
@ -500,7 +500,7 @@ public final class RichInputConnection {
// text should never be null, but just in case, it's better to insert nothing than to crash
if (null == text) text = "";
mCommittedTextBeforeComposingText.append(text);
mExpectedCursorPosition += text.length() - mComposingText.length();
mExpectedSelStart += text.length() - mComposingText.length();
mComposingText.setLength(0);
if (null != mIC) {
mIC.commitCompletion(completionInfo);
@ -788,14 +788,14 @@ public final class RichInputConnection {
*/
public boolean isBelatedExpectedUpdate(final int oldSelStart, final int newSelStart) {
// If this is an update that arrives at our expected position, it's a belated update.
if (newSelStart == mExpectedCursorPosition) return true;
if (newSelStart == mExpectedSelStart) return true;
// If this is an update that moves the cursor from our expected position, it must be
// an explicit move.
if (oldSelStart == mExpectedCursorPosition) return false;
if (oldSelStart == mExpectedSelStart) return false;
// The following returns true if newSelStart is between oldSelStart and
// mCurrentCursorPosition. We assume that if the updated position is between the old
// position and the expected position, then it must be a belated update.
return (newSelStart - oldSelStart) * (mExpectedCursorPosition - newSelStart) >= 0;
return (newSelStart - oldSelStart) * (mExpectedSelStart - newSelStart) >= 0;
}
/**