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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.content.res.Configuration;
     21 import android.graphics.Canvas;
     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 import com.android.systemui.AutoReinflateContainer;
     28 import com.android.systemui.R;
     29 import com.android.systemui.qs.QSContainer;
     30 import com.android.systemui.qs.customize.QSCustomizer;
     31 
     32 /**
     33  * The container with notification stack scroller and quick settings inside.
     34  */
     35 public class NotificationsQuickSettingsContainer extends FrameLayout
     36         implements ViewStub.OnInflateListener, AutoReinflateContainer.InflateListener {
     37 
     38 
     39     private AutoReinflateContainer mQsContainer;
     40     private View mUserSwitcher;
     41     private View mStackScroller;
     42     private View mKeyguardStatusBar;
     43     private boolean mInflated;
     44     private boolean mQsExpanded;
     45     private boolean mCustomizerAnimating;
     46 
     47     private int mBottomPadding;
     48     private int mStackScrollerMargin;
     49 
     50     public NotificationsQuickSettingsContainer(Context context, AttributeSet attrs) {
     51         super(context, attrs);
     52     }
     53 
     54     @Override
     55     protected void onFinishInflate() {
     56         super.onFinishInflate();
     57         mQsContainer = (AutoReinflateContainer) findViewById(R.id.qs_auto_reinflate_container);
     58         mQsContainer.addInflateListener(this);
     59         mStackScroller = findViewById(R.id.notification_stack_scroller);
     60         mStackScrollerMargin = ((LayoutParams) mStackScroller.getLayoutParams()).bottomMargin;
     61         mKeyguardStatusBar = findViewById(R.id.keyguard_header);
     62         ViewStub userSwitcher = (ViewStub) findViewById(R.id.keyguard_user_switcher);
     63         userSwitcher.setOnInflateListener(this);
     64         mUserSwitcher = userSwitcher;
     65     }
     66 
     67     @Override
     68     protected void onConfigurationChanged(Configuration newConfig) {
     69         super.onConfigurationChanged(newConfig);
     70         reloadWidth(mQsContainer);
     71         reloadWidth(mStackScroller);
     72     }
     73 
     74     private void reloadWidth(View view) {
     75         LayoutParams params = (LayoutParams) view.getLayoutParams();
     76         params.width = getContext().getResources().getDimensionPixelSize(
     77                 R.dimen.notification_panel_width);
     78         view.setLayoutParams(params);
     79     }
     80 
     81     @Override
     82     public WindowInsets onApplyWindowInsets(WindowInsets insets) {
     83         mBottomPadding = insets.getStableInsetBottom();
     84         setPadding(0, 0, 0, mBottomPadding);
     85         return insets;
     86     }
     87 
     88     @Override
     89     protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
     90         boolean userSwitcherVisible = mInflated && mUserSwitcher.getVisibility() == View.VISIBLE;
     91         boolean statusBarVisible = mKeyguardStatusBar.getVisibility() == View.VISIBLE;
     92 
     93         final boolean qsBottom = mQsExpanded && !mCustomizerAnimating;
     94         View stackQsTop = qsBottom ? mStackScroller : mQsContainer;
     95         View stackQsBottom = !qsBottom ? mStackScroller : mQsContainer;
     96         // Invert the order of the scroll view and user switcher such that the notifications receive
     97         // touches first but the panel gets drawn above.
     98         if (child == mQsContainer) {
     99             return super.drawChild(canvas, userSwitcherVisible && statusBarVisible ? mUserSwitcher
    100                     : statusBarVisible ? mKeyguardStatusBar
    101                     : userSwitcherVisible ? mUserSwitcher
    102                     : stackQsBottom, drawingTime);
    103         } else if (child == mStackScroller) {
    104             return super.drawChild(canvas,
    105                     userSwitcherVisible && statusBarVisible ? mKeyguardStatusBar
    106                     : statusBarVisible || userSwitcherVisible ? stackQsBottom
    107                     : stackQsTop,
    108                     drawingTime);
    109         } else if (child == mUserSwitcher) {
    110             return super.drawChild(canvas,
    111                     userSwitcherVisible && statusBarVisible ? stackQsBottom
    112                     : stackQsTop,
    113                     drawingTime);
    114         } else if (child == mKeyguardStatusBar) {
    115             return super.drawChild(canvas,
    116                     stackQsTop,
    117                     drawingTime);
    118         } else {
    119             return super.drawChild(canvas, child, drawingTime);
    120         }
    121     }
    122 
    123     @Override
    124     public void onInflate(ViewStub stub, View inflated) {
    125         if (stub == mUserSwitcher) {
    126             mUserSwitcher = inflated;
    127             mInflated = true;
    128         }
    129     }
    130 
    131     @Override
    132     public void onInflated(View v) {
    133         QSCustomizer customizer = ((QSContainer) v).getCustomizer();
    134         customizer.setContainer(this);
    135     }
    136 
    137     public void setQsExpanded(boolean expanded) {
    138         if (mQsExpanded != expanded) {
    139             mQsExpanded = expanded;
    140             invalidate();
    141         }
    142     }
    143 
    144     public void setCustomizerAnimating(boolean isAnimating) {
    145         if (mCustomizerAnimating != isAnimating) {
    146             mCustomizerAnimating = isAnimating;
    147             invalidate();
    148         }
    149     }
    150 
    151     public void setCustomizerShowing(boolean isShowing) {
    152         if (isShowing) {
    153             // Clear out bottom paddings/margins so the qs customization can be full height.
    154             setPadding(0, 0, 0, 0);
    155             setBottomMargin(mStackScroller, 0);
    156         } else {
    157             setPadding(0, 0, 0, mBottomPadding);
    158             setBottomMargin(mStackScroller, mStackScrollerMargin);
    159         }
    160 
    161     }
    162 
    163     private void setBottomMargin(View v, int bottomMargin) {
    164         LayoutParams params = (LayoutParams) v.getLayoutParams();
    165         params.bottomMargin = bottomMargin;
    166         v.setLayoutParams(params);
    167     }
    168 }
    169