| /* |
| * Copyright (C) 2017 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.keyguard; |
| |
| import android.content.Context; |
| import android.text.TextUtils; |
| import android.view.View; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.widget.TextView; |
| |
| /** |
| * Replaces fancy colons with regular colons. Only works on TextViews. |
| */ |
| class KeyguardClockAccessibilityDelegate extends View.AccessibilityDelegate { |
| private final String mFancyColon; |
| |
| public KeyguardClockAccessibilityDelegate(Context context) { |
| mFancyColon = context.getString(R.string.keyguard_fancy_colon); |
| } |
| |
| @Override |
| public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) { |
| super.onInitializeAccessibilityEvent(host, event); |
| if (TextUtils.isEmpty(mFancyColon)) { |
| return; |
| } |
| CharSequence text = event.getContentDescription(); |
| if (!TextUtils.isEmpty(text)) { |
| event.setContentDescription(replaceFancyColon(text)); |
| } |
| } |
| |
| @Override |
| public void onPopulateAccessibilityEvent(View host, AccessibilityEvent event) { |
| if (TextUtils.isEmpty(mFancyColon)) { |
| super.onPopulateAccessibilityEvent(host, event); |
| } else { |
| CharSequence text = ((TextView) host).getText(); |
| if (!TextUtils.isEmpty(text)) { |
| event.getText().add(replaceFancyColon(text)); |
| } |
| } |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) { |
| super.onInitializeAccessibilityNodeInfo(host, info); |
| if (TextUtils.isEmpty(mFancyColon)) { |
| return; |
| } |
| if (!TextUtils.isEmpty(info.getText())) { |
| info.setText(replaceFancyColon(info.getText())); |
| } |
| if (!TextUtils.isEmpty(info.getContentDescription())) { |
| info.setContentDescription(replaceFancyColon(info.getContentDescription())); |
| } |
| } |
| |
| private CharSequence replaceFancyColon(CharSequence text) { |
| if (TextUtils.isEmpty(mFancyColon)) { |
| return text; |
| } |
| return text.toString().replace(mFancyColon, ":"); |
| } |
| |
| public static boolean isNeeded(Context context) { |
| return !TextUtils.isEmpty(context.getString(R.string.keyguard_fancy_colon)); |
| } |
| } |