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am 00d140ca: am a475c854: Introduce a mechanism to hide the indicator speculatively 

* commit '00d140caeb02e2e68f5b2cf7b71d349e1ad4cb5c':
  Introduce a mechanism to hide the indicator speculatively
main
Yohei Yukawa 2014-08-27 09:48:34 +00:00 committed by Android Git Automerger
parent c1596086d3 00d140caeb
commit 8a413a2a62
2 changed files with 52 additions and 16 deletions
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35
java/src/com/android/inputmethod/keyboard/TextDecorator.java
View File

@ -158,7 +158,7 @@ public class TextDecorator {
if (!currentFullScreenMode && fullScreenMode) {
// Currently full screen mode is not supported.
// TODO: Support full screen mode.
hideIndicator();
mUiOperator.hideUi();
}
mIsFullScreenMode = fullScreenMode;
}
@ -193,17 +193,36 @@ public class TextDecorator {
layoutImmediately();
}
private void hideIndicator() {
mUiOperator.hideUi();
/**
* Hides indicator if the new composing text doesn't match the expected one.
*
* <p>Calling this method is optional but recommended whenever the new composition is passed to
* the application. The motivation of this method is to reduce the UI latency. With this method,
* we can hide the indicator without waiting the arrival of the
* {@link InputMethodService#onUpdateCursorAnchorInfo(CursorAnchorInfo)} callback, assuming that
* the application accepts the new composing text without any modification. Even if this
* assumption is false, the indicator will be shown again when
* {@link InputMethodService#onUpdateCursorAnchorInfo(CursorAnchorInfo)} is actually received.
* </p>
*
* @param newComposingText the new composing text that is being passed to the application.
*/
public void hideIndicatorIfNecessary(final CharSequence newComposingText) {
if (mMode != MODE_COMMIT && mMode != MODE_ADD_TO_DICTIONARY) {
return;
}
if (!TextUtils.equals(newComposingText, mWaitingWord.mWord)) {
mUiOperator.hideUi();
}
}
private void cancelLayoutInternalUnexpectedly(final String message) {
hideIndicator();
mUiOperator.hideUi();
Log.d(TAG, message);
}
private void cancelLayoutInternalExpectedly(final String message) {
hideIndicator();
mUiOperator.hideUi();
if (DEBUG) {
Log.d(TAG, message);
}
@ -261,7 +280,7 @@ public class TextDecorator {
lastCharRectFlag & CursorAnchorInfoCompatWrapper.CHARACTER_RECT_TYPE_MASK;
if (lastCharRect == null || matrix == null || lastCharRectType !=
CursorAnchorInfoCompatWrapper.CHARACTER_RECT_TYPE_FULLY_VISIBLE) {
hideIndicator();
mUiOperator.hideUi();
return;
}
final RectF segmentStartCharRect = new RectF(lastCharRect);
@ -312,13 +331,13 @@ public class TextDecorator {
if (!TextUtils.isEmpty(composingText)) {
// This is an unexpected case.
// TODO: Document this.
hideIndicator();
mUiOperator.hideUi();
return;
}
// In MODE_ADD_TO_DICTIONARY, we cannot retrieve the character position at all because
// of the lack of composing text. We will use the insertion marker position instead.
if (info.isInsertionMarkerClipped()) {
hideIndicator();
mUiOperator.hideUi();
return;
}
final float insertionMarkerHolizontal = info.getInsertionMarkerHorizontal();

33
java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
View File

@ -649,7 +649,7 @@ public final class InputLogic {
// message, this is called outside any batch edit. Potentially, this may result in some
// janky flickering of the screen, although the display speed makes it unlikely in
// the practice.
mConnection.setComposingText(textWithUnderline, 1);
setComposingTextInternal(textWithUnderline, 1);
}
}
@ -672,7 +672,7 @@ public final class InputLogic {
inputTransaction.setDidAffectContents();
}
if (mWordComposer.isComposingWord()) {
mConnection.setComposingText(mWordComposer.getTypedWord(), 1);
setComposingTextInternal(mWordComposer.getTypedWord(), 1);
inputTransaction.setDidAffectContents();
inputTransaction.setRequiresUpdateSuggestions();
}
@ -908,8 +908,7 @@ public final class InputLogic {
if (mWordComposer.isSingleLetter()) {
mWordComposer.setCapitalizedModeAtStartComposingTime(inputTransaction.mShiftState);
}
mConnection.setComposingText(getTextWithUnderline(
mWordComposer.getTypedWord()), 1);
setComposingTextInternal(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
} else {
final boolean swapWeakSpace = tryStripSpaceAndReturnWhetherShouldSwapInstead(event,
inputTransaction);
@ -1072,7 +1071,7 @@ public final class InputLogic {
mWordComposer.applyProcessedEvent(event);
}
if (mWordComposer.isComposingWord()) {
mConnection.setComposingText(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
setComposingTextInternal(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
} else {
mConnection.commitText("", 1);
}
@ -1640,7 +1639,7 @@ public final class InputLogic {
final int[] codePoints = StringUtils.toCodePointArray(stringToCommit);
mWordComposer.setComposingWord(codePoints,
mLatinIME.getCoordinatesForCurrentKeyboard(codePoints));
mConnection.setComposingText(textToCommit, 1);
setComposingTextInternal(textToCommit, 1);
}
// Don't restart suggestion yet. We'll restart if the user deletes the separator.
mLastComposedWord = LastComposedWord.NOT_A_COMPOSED_WORD;
@ -1973,10 +1972,10 @@ public final class InputLogic {
}
final String lastWord = batchInputText.substring(indexOfLastSpace);
mWordComposer.setBatchInputWord(lastWord);
mConnection.setComposingText(lastWord, 1);
setComposingTextInternal(lastWord, 1);
} else {
mWordComposer.setBatchInputWord(batchInputText);
mConnection.setComposingText(batchInputText, 1);
setComposingTextInternal(batchInputText, 1);
}
mConnection.endBatchEdit();
// Space state must be updated before calling updateShiftState
@ -2175,6 +2174,24 @@ public final class InputLogic {
inputStyle, sequenceNumber, callback);
}
/**
* Used as an injection point for each call of
* {@link RichInputConnection#setComposingText(CharSequence, int)}.
*
* <p>Currently using this method is optional and you can still directly call
* {@link RichInputConnection#setComposingText(CharSequence, int)}, but it is recommended to
* use this method whenever possible to optimize the behavior of {@link TextDecorator}.<p>
* <p>TODO: Should we move this mechanism to {@link RichInputConnection}?</p>
*
* @param newComposingText the composing text to be set
* @param newCursorPosition the new cursor position
*/
private void setComposingTextInternal(final CharSequence newComposingText,
final int newCursorPosition) {
mConnection.setComposingText(newComposingText, newCursorPosition);
mTextDecorator.hideIndicatorIfNecessary(newComposingText);
}
//////////////////////////////////////////////////////////////////////////////////////////////
// Following methods are tentatively placed in this class for the integration with
// TextDecorator.