| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.inputmethod.accessibility; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.Message; |
| |
| import com.android.inputmethod.keyboard.Key; |
| import com.android.inputmethod.latin.R; |
| |
| // Handling long press timer to show a more keys keyboard. |
| final class AccessibilityLongPressTimer extends Handler { |
| public interface LongPressTimerCallback { |
| public void performLongClickOn(Key key); |
| } |
| |
| private static final int MSG_LONG_PRESS = 1; |
| |
| private final LongPressTimerCallback mCallback; |
| private final long mConfigAccessibilityLongPressTimeout; |
| |
| public AccessibilityLongPressTimer(final LongPressTimerCallback callback, |
| final Context context) { |
| super(); |
| mCallback = callback; |
| mConfigAccessibilityLongPressTimeout = context.getResources().getInteger( |
| R.integer.config_accessibility_long_press_key_timeout); |
| } |
| |
| @Override |
| public void handleMessage(final Message msg) { |
| switch (msg.what) { |
| case MSG_LONG_PRESS: |
| cancelLongPress(); |
| mCallback.performLongClickOn((Key)msg.obj); |
| return; |
| default: |
| super.handleMessage(msg); |
| return; |
| } |
| } |
| |
| public void startLongPress(final Key key) { |
| cancelLongPress(); |
| final Message longPressMessage = obtainMessage(MSG_LONG_PRESS, key); |
| sendMessageDelayed(longPressMessage, mConfigAccessibilityLongPressTimeout); |
| } |
| |
| public void cancelLongPress() { |
| removeMessages(MSG_LONG_PRESS); |
| } |
| } |