Merge "[IL78] Move most of onUpdateSelection to InputLogic."

main
Jean Chalard 2014-01-27 09:55:07 +00:00 committed by Android (Google) Code Review
commit a3a85e8c2b
2 changed files with 83 additions and 59 deletions

View File

@ -912,63 +912,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
composingSpanEnd, mInputLogic.mConnection);
}
final boolean selectionChanged = oldSelStart != newSelStart || oldSelEnd != newSelEnd;
// if composingSpanStart and composingSpanEnd are -1, it means there is no composing
// span in the view - we can use that to narrow down whether the cursor was moved
// by us or not. If we are composing a word but there is no composing span, then
// we know for sure the cursor moved while we were composing and we should reset
// the state. TODO: rescind this policy: the framework never removes the composing
// span on its own accord while editing. This test is useless.
final boolean noComposingSpan = composingSpanStart == -1 && composingSpanEnd == -1;
// If the keyboard is not visible, we don't need to do all the housekeeping work, as it
// will be reset when the keyboard shows up anyway.
// TODO: revisit this when LatinIME supports hardware keyboards.
// NOTE: the test harness subclasses LatinIME and overrides isInputViewShown().
// TODO: find a better way to simulate actual execution.
if (isInputViewShown() && !mInputLogic.mConnection.isBelatedExpectedUpdate(oldSelStart,
newSelStart, oldSelEnd, newSelEnd)) {
// TODO: the following is probably better done in resetEntireInputState().
// it should only happen when the cursor moved, and the very purpose of the
// test below is to narrow down whether this happened or not. Likewise with
// the call to updateShiftState.
// We set this to NONE because after a cursor move, we don't want the space
// state-related special processing to kick in.
mInputLogic.mSpaceState = SpaceState.NONE;
// TODO: is it still necessary to test for composingSpan related stuff?
final boolean selectionChangedOrSafeToReset = selectionChanged
|| (!mInputLogic.mWordComposer.isComposingWord()) || noComposingSpan;
final boolean hasOrHadSelection = (oldSelStart != oldSelEnd
|| newSelStart != newSelEnd);
final int moveAmount = newSelStart - oldSelStart;
if (selectionChangedOrSafeToReset && (hasOrHadSelection
|| !mInputLogic.mWordComposer.moveCursorByAndReturnIfInsideComposingWord(
moveAmount))) {
// If we are composing a word and moving the cursor, we would want to set a
// suggestion span for recorrection to work correctly. Unfortunately, that
// would involve the keyboard committing some new text, which would move the
// cursor back to where it was. Latin IME could then fix the position of the cursor
// again, but the asynchronous nature of the calls results in this wreaking havoc
// with selection on double tap and the like.
// Another option would be to send suggestions each time we set the composing
// text, but that is probably too expensive to do, so we decided to leave things
// as is.
mInputLogic.resetEntireInputState(mSettings.getCurrent(), newSelStart, newSelEnd);
} else {
// resetEntireInputState calls resetCachesUponCursorMove, but forcing the
// composition to end. But in all cases where we don't reset the entire input
// state, we still want to tell the rich input connection about the new cursor
// position so that it can update its caches.
mInputLogic.mConnection.resetCachesUponCursorMoveAndReturnSuccess(
newSelStart, newSelEnd, false /* shouldFinishComposition */);
}
// We moved the cursor. If we are touching a word, we need to resume suggestion.
mHandler.postResumeSuggestions();
// Reset the last recapitalization.
mInputLogic.mRecapitalizeStatus.deactivate();
if (mInputLogic.onUpdateSelection(mSettings.getCurrent(), oldSelStart, oldSelEnd,
newSelStart, newSelEnd, composingSpanStart, composingSpanEnd)) {
mKeyboardSwitcher.updateShiftState();
}
@ -1183,7 +1128,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// the right layout.
// TODO[IL]: Remove this, pass the input logic to the keyboard switcher instead?
public int getCurrentAutoCapsState() {
return mInputLogic.getCurrentAutoCapsState(Settings.getInstance().getCurrent());
return mInputLogic.getCurrentAutoCapsState(mSettings.getCurrent());
}
// Called from the KeyboardSwitcher which needs to know recaps state to display
@ -1289,7 +1234,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
mSubtypeSwitcher.switchToShortcutIME(this);
// Still call the *#onCodeInput methods for readability.
}
mInputLogic.onCodeInput(codeToSend, keyX, keyY, Settings.getInstance().getCurrent(),
mInputLogic.onCodeInput(codeToSend, keyX, keyY, mSettings.getCurrent(),
mHandler, mKeyboardSwitcher);
mKeyboardSwitcher.onCodeInput(codePoint);
}

View File

@ -178,6 +178,85 @@ public final class InputLogic {
mEnteredText = text;
}
/**
* Consider an update to the cursor position. Evaluate whether this update has happened as
* part of normal typing or whether it was an explicit cursor move by the user. In any case,
* do the necessary adjustments.
* @param settingsValues the current settings
* @param oldSelStart old selection start
* @param oldSelEnd old selection end
* @param newSelStart new selection start
* @param newSelEnd new selection end
* @param composingSpanStart composing span start
* @param composingSpanEnd composing span end
* @return whether the cursor has moved as a result of user interaction.
*/
public boolean onUpdateSelection(final SettingsValues settingsValues,
final int oldSelStart, final int oldSelEnd,
final int newSelStart, final int newSelEnd,
final int composingSpanStart, final int composingSpanEnd) {
final boolean selectionChanged = oldSelStart != newSelStart || oldSelEnd != newSelEnd;
// if composingSpanStart and composingSpanEnd are -1, it means there is no composing
// span in the view - we can use that to narrow down whether the cursor was moved
// by us or not. If we are composing a word but there is no composing span, then
// we know for sure the cursor moved while we were composing and we should reset
// the state. TODO: rescind this policy: the framework never removes the composing
// span on its own accord while editing. This test is useless.
final boolean noComposingSpan = composingSpanStart == -1 && composingSpanEnd == -1;
// If the keyboard is not visible, we don't need to do all the housekeeping work, as it
// will be reset when the keyboard shows up anyway.
// TODO: revisit this when LatinIME supports hardware keyboards.
// NOTE: the test harness subclasses LatinIME and overrides isInputViewShown().
// TODO: find a better way to simulate actual execution.
// TODO: remove the #isInputViewShown() call from here.
if (mLatinIME.isInputViewShown() && !mConnection.isBelatedExpectedUpdate(oldSelStart,
newSelStart, oldSelEnd, newSelEnd)) {
// TODO: the following is probably better done in resetEntireInputState().
// it should only happen when the cursor moved, and the very purpose of the
// test below is to narrow down whether this happened or not. Likewise with
// the call to updateShiftState.
// We set this to NONE because after a cursor move, we don't want the space
// state-related special processing to kick in.
mSpaceState = SpaceState.NONE;
// TODO: is it still necessary to test for composingSpan related stuff?
final boolean selectionChangedOrSafeToReset = selectionChanged
|| (!mWordComposer.isComposingWord()) || noComposingSpan;
final boolean hasOrHadSelection = (oldSelStart != oldSelEnd
|| newSelStart != newSelEnd);
final int moveAmount = newSelStart - oldSelStart;
if (selectionChangedOrSafeToReset && (hasOrHadSelection
|| !mWordComposer.moveCursorByAndReturnIfInsideComposingWord(moveAmount))) {
// If we are composing a word and moving the cursor, we would want to set a
// suggestion span for recorrection to work correctly. Unfortunately, that
// would involve the keyboard committing some new text, which would move the
// cursor back to where it was. Latin IME could then fix the position of the cursor
// again, but the asynchronous nature of the calls results in this wreaking havoc
// with selection on double tap and the like.
// Another option would be to send suggestions each time we set the composing
// text, but that is probably too expensive to do, so we decided to leave things
// as is.
resetEntireInputState(settingsValues, newSelStart, newSelEnd);
} else {
// resetEntireInputState calls resetCachesUponCursorMove, but forcing the
// composition to end. But in all cases where we don't reset the entire input
// state, we still want to tell the rich input connection about the new cursor
// position so that it can update its caches.
mConnection.resetCachesUponCursorMoveAndReturnSuccess(
newSelStart, newSelEnd, false /* shouldFinishComposition */);
}
// We moved the cursor. If we are touching a word, we need to resume suggestion.
mLatinIME.mHandler.postResumeSuggestions();
// Reset the last recapitalization.
mRecapitalizeStatus.deactivate();
return true;
}
return false;
}
/**
* React to a code input. It may be a code point to insert, or a symbolic value that influences
* the keyboard behavior.