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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.systemui.statusbar.phone;
     18 
     19 import android.content.Context;
     20 import android.graphics.Canvas;
     21 import android.graphics.Rect;
     22 import android.util.AttributeSet;
     23 import android.view.View;
     24 import android.view.ViewStub;
     25 import android.view.WindowInsets;
     26 import android.widget.FrameLayout;
     27 
     28 import com.android.systemui.R;
     29 
     30 /**
     31  * The container with notification stack scroller and quick settings inside.
     32  */
     33 public class NotificationsQuickSettingsContainer extends FrameLayout
     34         implements ViewStub.OnInflateListener {
     35 
     36     private View mScrollView;
     37     private View mUserSwitcher;
     38     private View mStackScroller;
     39     private View mKeyguardStatusBar;
     40     private boolean mInflated;
     41 
     42     public NotificationsQuickSettingsContainer(Context context, AttributeSet attrs) {
     43         super(context, attrs);
     44     }
     45 
     46     @Override
     47     protected void onFinishInflate() {
     48         super.onFinishInflate();
     49         mScrollView = findViewById(R.id.scroll_view);
     50         mStackScroller = findViewById(R.id.notification_stack_scroller);
     51         mKeyguardStatusBar = findViewById(R.id.keyguard_header);
     52         ViewStub userSwitcher = (ViewStub) findViewById(R.id.keyguard_user_switcher);
     53         userSwitcher.setOnInflateListener(this);
     54         mUserSwitcher = userSwitcher;
     55     }
     56 
     57     @Override
     58     public WindowInsets onApplyWindowInsets(WindowInsets insets) {
     59         setPadding(0, 0, 0, insets.getSystemWindowInsetBottom());
     60         return insets;
     61     }
     62 
     63     @Override
     64     protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
     65         boolean userSwitcherVisible = mInflated && mUserSwitcher.getVisibility() == View.VISIBLE;
     66         boolean statusBarVisible = mKeyguardStatusBar.getVisibility() == View.VISIBLE;
     67 
     68         // Invert the order of the scroll view and user switcher such that the notifications receive
     69         // touches first but the panel gets drawn above.
     70         if (child == mScrollView) {
     71             return super.drawChild(canvas, mStackScroller, drawingTime);
     72         } else if (child == mStackScroller) {
     73             return super.drawChild(canvas,
     74                     userSwitcherVisible && statusBarVisible ? mUserSwitcher
     75                     : statusBarVisible ? mKeyguardStatusBar
     76                     : userSwitcherVisible ? mUserSwitcher
     77                     : mScrollView,
     78                     drawingTime);
     79         } else if (child == mUserSwitcher) {
     80             return super.drawChild(canvas,
     81                     userSwitcherVisible && statusBarVisible ? mKeyguardStatusBar
     82                     : mScrollView,
     83                     drawingTime);
     84         } else if (child == mKeyguardStatusBar) {
     85             return super.drawChild(canvas,
     86                     userSwitcherVisible && statusBarVisible ? mScrollView
     87                     : mScrollView,
     88                     drawingTime);
     89         }else {
     90             return super.drawChild(canvas, child, drawingTime);
     91         }
     92     }
     93 
     94     @Override
     95     public void onInflate(ViewStub stub, View inflated) {
     96         if (stub == mUserSwitcher) {
     97             mUserSwitcher = inflated;
     98             mInflated = true;
     99         }
    100     }
    101 }
    102