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package com.anysoftkeyboard;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.inputmethod.InputConnection;
import com.menny.android.anysoftkeyboard.R;
import java.lang.ref.WeakReference;
/**
* handles all kind of UI thread related operations.
*/
final class KeyboardUIStateHandler extends Handler {
public static final int MSG_UPDATE_SUGGESTIONS = R.id.keyboard_ui_handler_MSG_UPDATE_SUGGESTIONS;
public static final int MSG_RESTART_NEW_WORD_SUGGESTIONS = R.id.keyboard_ui_handler_MSG_RESTART_NEW_WORD_SUGGESTIONS;
public static final int MSG_REMOVE_CLOSE_SUGGESTIONS_HINT = R.id.keyboard_ui_handler_MSG_REMOVE_CLOSE_SUGGESTIONS_HINT;
public static final int MSG_CLOSE_DICTIONARIES = R.id.keyboard_ui_handler_MSG_CLOSE_DICTIONARIES;
private static final class CloseTextAnimationListener implements Animation.AnimationListener {
private View closeText;
public void setCloseText(View c) {
closeText = c;
}
public void onAnimationStart(Animation animation) {
}
public void onAnimationRepeat(Animation animation) {
}
public void onAnimationEnd(Animation animation) {
closeText.setVisibility(View.GONE);
closeText = null;
}
}
private final CloseTextAnimationListener mCloseTextAnimationListener = new CloseTextAnimationListener();
private final WeakReference<AnySoftKeyboard> mKeyboard;
public KeyboardUIStateHandler(AnySoftKeyboard keyboard) {
mKeyboard = new WeakReference<>(keyboard);
}
public void removeAllMessages() {
removeMessages(MSG_UPDATE_SUGGESTIONS);
removeMessages(MSG_RESTART_NEW_WORD_SUGGESTIONS);
removeMessages(MSG_REMOVE_CLOSE_SUGGESTIONS_HINT);
removeMessages(MSG_CLOSE_DICTIONARIES);
}
@Override
public void handleMessage(Message msg) {
AnySoftKeyboard ask = mKeyboard.get();
if (ask == null)// delayed posts and such may result in the reference gone
return;
final InputConnection ic = ask.getCurrentInputConnection();
switch (msg.what) {
case MSG_UPDATE_SUGGESTIONS:
ask.performUpdateSuggestions();
break;
case MSG_RESTART_NEW_WORD_SUGGESTIONS:
ask.performRestartWordSuggestion(ic);
break;
case MSG_REMOVE_CLOSE_SUGGESTIONS_HINT:
final View closeText = ask.mCandidateCloseText;
if (closeText != null) {// in API3, this variable is null
mCloseTextAnimationListener.setCloseText(closeText);
Animation gone = AnimationUtils.loadAnimation(ask.getApplicationContext(), R.anim.close_candidates_hint_out);
gone.setAnimationListener(mCloseTextAnimationListener);
closeText.startAnimation(gone);
}
break;
case MSG_CLOSE_DICTIONARIES:
ask.closeDictionaries();
break;
default:
super.handleMessage(msg);
}
}
}
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