| /* |
| * Copyright (C) 2019 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.leanback; |
| |
| import android.os.Handler; |
| import android.view.View; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.inputmethod.EditorInfo; |
| |
| /** |
| * This class contains common methods used by LeanbackImeService classes |
| */ |
| public class LeanbackUtils { |
| |
| private static final int ACCESSIBILITY_DELAY_MS = 250; |
| private static final Handler sAccessibilityHandler = new Handler(); |
| |
| /** |
| * checks if the keyCode represents an alphabet char |
| * |
| * @return true if the keyCode represents an alphabet char |
| */ |
| public static boolean isAlphabet(int keyCode) { |
| if (Character.isLetter(keyCode)) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * get the IME action of the current {@link EditText} |
| */ |
| public static int getImeAction(EditorInfo attribute) { |
| return attribute.imeOptions |
| & (EditorInfo.IME_MASK_ACTION | EditorInfo.IME_FLAG_NO_ENTER_ACTION); |
| } |
| |
| /** |
| * get the input type class of the current {@link EditText} |
| */ |
| public static int getInputTypeClass(EditorInfo attribute) { |
| return attribute.inputType & EditorInfo.TYPE_MASK_CLASS; |
| } |
| |
| /** |
| * get the input type variation of the current {@link EditText} |
| */ |
| public static int getInputTypeVariation(EditorInfo attribute) { |
| return attribute.inputType & EditorInfo.TYPE_MASK_VARIATION; |
| } |
| |
| public static void sendAccessibilityEvent(final View view, boolean focusGained) { |
| if (view != null && focusGained) { |
| sAccessibilityHandler.removeCallbacksAndMessages(null); |
| sAccessibilityHandler.postDelayed(new Runnable() { |
| public void run() { |
| view.sendAccessibilityEvent(AccessibilityEvent.TYPE_ANNOUNCEMENT); |
| } |
| }, ACCESSIBILITY_DELAY_MS); |
| } |
| } |
| } |