| /* |
| * Copyright (C) 2016 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.internal.widget; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.widget.Button; |
| import android.widget.ImageView; |
| import android.widget.RemoteViews; |
| |
| /** |
| * An expand button in a notification |
| */ |
| @RemoteViews.RemoteView |
| public class NotificationExpandButton extends ImageView { |
| |
| public NotificationExpandButton(Context context) { |
| super(context); |
| } |
| |
| public NotificationExpandButton(Context context, @Nullable AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public NotificationExpandButton(Context context, @Nullable AttributeSet attrs, |
| int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public NotificationExpandButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| @Override |
| public void getBoundsOnScreen(Rect outRect, boolean clipToParent) { |
| super.getBoundsOnScreen(outRect, clipToParent); |
| extendRectToMinTouchSize(outRect); |
| } |
| |
| private void extendRectToMinTouchSize(Rect rect) { |
| int touchTargetSize = (int) (getResources().getDisplayMetrics().density * 48); |
| rect.left = rect.centerX() - touchTargetSize / 2; |
| rect.right = rect.left + touchTargetSize; |
| rect.top = rect.centerY() - touchTargetSize / 2; |
| rect.bottom = rect.top + touchTargetSize; |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| super.onInitializeAccessibilityNodeInfo(info); |
| info.setClassName(Button.class.getName()); |
| } |
| } |