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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.app.Fragment;
     20 import android.content.Context;
     21 import android.content.res.Configuration;
     22 import android.graphics.Canvas;
     23 import android.support.annotation.DimenRes;
     24 import android.util.AttributeSet;
     25 import android.view.View;
     26 import android.view.ViewStub;
     27 import android.view.ViewStub.OnInflateListener;
     28 import android.view.WindowInsets;
     29 import android.widget.FrameLayout;
     30 
     31 import com.android.systemui.R;
     32 import com.android.systemui.SysUiServiceProvider;
     33 import com.android.systemui.fragments.FragmentHostManager;
     34 import com.android.systemui.fragments.FragmentHostManager.FragmentListener;
     35 import com.android.systemui.plugins.qs.QS;
     36 import com.android.systemui.statusbar.NotificationData.Entry;
     37 import com.android.systemui.statusbar.notification.AboveShelfObserver;
     38 import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
     39 
     40 /**
     41  * The container with notification stack scroller and quick settings inside.
     42  */
     43 public class NotificationsQuickSettingsContainer extends FrameLayout
     44         implements OnInflateListener, FragmentListener,
     45         AboveShelfObserver.HasViewAboveShelfChangedListener {
     46 
     47     private FrameLayout mQsFrame;
     48     private View mUserSwitcher;
     49     private NotificationStackScrollLayout mStackScroller;
     50     private View mKeyguardStatusBar;
     51     private boolean mInflated;
     52     private boolean mQsExpanded;
     53     private boolean mCustomizerAnimating;
     54 
     55     private int mBottomPadding;
     56     private int mStackScrollerMargin;
     57     private boolean mHasViewsAboveShelf;
     58 
     59     public NotificationsQuickSettingsContainer(Context context, AttributeSet attrs) {
     60         super(context, attrs);
     61     }
     62 
     63     @Override
     64     protected void onFinishInflate() {
     65         super.onFinishInflate();
     66         mQsFrame = (FrameLayout) findViewById(R.id.qs_frame);
     67         mStackScroller = findViewById(R.id.notification_stack_scroller);
     68         mStackScrollerMargin = ((LayoutParams) mStackScroller.getLayoutParams()).bottomMargin;
     69         mKeyguardStatusBar = findViewById(R.id.keyguard_header);
     70         ViewStub userSwitcher = (ViewStub) findViewById(R.id.keyguard_user_switcher);
     71         userSwitcher.setOnInflateListener(this);
     72         mUserSwitcher = userSwitcher;
     73     }
     74 
     75     @Override
     76     protected void onAttachedToWindow() {
     77         super.onAttachedToWindow();
     78         FragmentHostManager.get(this).addTagListener(QS.TAG, this);
     79     }
     80 
     81     @Override
     82     protected void onDetachedFromWindow() {
     83         super.onDetachedFromWindow();
     84         FragmentHostManager.get(this).removeTagListener(QS.TAG, this);
     85     }
     86 
     87     @Override
     88     protected void onConfigurationChanged(Configuration newConfig) {
     89         super.onConfigurationChanged(newConfig);
     90         reloadWidth(mQsFrame, R.dimen.qs_panel_width);
     91         reloadWidth(mStackScroller, R.dimen.notification_panel_width);
     92     }
     93 
     94     /**
     95      * Loads the given width resource and sets it on the given View.
     96      */
     97     private void reloadWidth(View view, @DimenRes int width) {
     98         LayoutParams params = (LayoutParams) view.getLayoutParams();
     99         params.width = getResources().getDimensionPixelSize(width);
    100         view.setLayoutParams(params);
    101     }
    102 
    103     @Override
    104     public WindowInsets onApplyWindowInsets(WindowInsets insets) {
    105         mBottomPadding = insets.getStableInsetBottom();
    106         setPadding(0, 0, 0, mBottomPadding);
    107         return insets;
    108     }
    109 
    110     @Override
    111     protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    112         boolean userSwitcherVisible = mInflated && mUserSwitcher.getVisibility() == View.VISIBLE;
    113         boolean statusBarVisible = mKeyguardStatusBar.getVisibility() == View.VISIBLE;
    114 
    115         final boolean qsBottom = mHasViewsAboveShelf;
    116         View stackQsTop = qsBottom ? mStackScroller : mQsFrame;
    117         View stackQsBottom = !qsBottom ? mStackScroller : mQsFrame;
    118         // Invert the order of the scroll view and user switcher such that the notifications receive
    119         // touches first but the panel gets drawn above.
    120         if (child == mQsFrame) {
    121             return super.drawChild(canvas, userSwitcherVisible && statusBarVisible ? mUserSwitcher
    122                     : statusBarVisible ? mKeyguardStatusBar
    123                     : userSwitcherVisible ? mUserSwitcher
    124                     : stackQsBottom, drawingTime);
    125         } else if (child == mStackScroller) {
    126             return super.drawChild(canvas,
    127                     userSwitcherVisible && statusBarVisible ? mKeyguardStatusBar
    128                     : statusBarVisible || userSwitcherVisible ? stackQsBottom
    129                     : stackQsTop,
    130                     drawingTime);
    131         } else if (child == mUserSwitcher) {
    132             return super.drawChild(canvas,
    133                     userSwitcherVisible && statusBarVisible ? stackQsBottom
    134                     : stackQsTop,
    135                     drawingTime);
    136         } else if (child == mKeyguardStatusBar) {
    137             return super.drawChild(canvas,
    138                     stackQsTop,
    139                     drawingTime);
    140         } else {
    141             return super.drawChild(canvas, child, drawingTime);
    142         }
    143     }
    144 
    145     @Override
    146     public void onInflate(ViewStub stub, View inflated) {
    147         if (stub == mUserSwitcher) {
    148             mUserSwitcher = inflated;
    149             mInflated = true;
    150         }
    151     }
    152 
    153     @Override
    154     public void onFragmentViewCreated(String tag, Fragment fragment) {
    155         QS container = (QS) fragment;
    156         container.setContainer(this);
    157     }
    158 
    159     public void setQsExpanded(boolean expanded) {
    160         if (mQsExpanded != expanded) {
    161             mQsExpanded = expanded;
    162             invalidate();
    163         }
    164     }
    165 
    166     public void setCustomizerAnimating(boolean isAnimating) {
    167         if (mCustomizerAnimating != isAnimating) {
    168             mCustomizerAnimating = isAnimating;
    169             invalidate();
    170         }
    171     }
    172 
    173     public void setCustomizerShowing(boolean isShowing) {
    174         if (isShowing) {
    175             // Clear out bottom paddings/margins so the qs customization can be full height.
    176             setPadding(0, 0, 0, 0);
    177             setBottomMargin(mStackScroller, 0);
    178         } else {
    179             setPadding(0, 0, 0, mBottomPadding);
    180             setBottomMargin(mStackScroller, mStackScrollerMargin);
    181         }
    182         mStackScroller.setQsCustomizerShowing(isShowing);
    183     }
    184 
    185     private void setBottomMargin(View v, int bottomMargin) {
    186         LayoutParams params = (LayoutParams) v.getLayoutParams();
    187         params.bottomMargin = bottomMargin;
    188         v.setLayoutParams(params);
    189     }
    190 
    191     @Override
    192     public void onHasViewsAboveShelfChanged(boolean hasViewsAboveShelf) {
    193         mHasViewsAboveShelf = hasViewsAboveShelf;
    194         invalidate();
    195     }
    196 }
    197