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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.qs;
     18 
     19 import android.content.Context;
     20 import android.graphics.Point;
     21 import android.util.AttributeSet;
     22 import android.view.View;
     23 import android.widget.FrameLayout;
     24 
     25 import com.android.systemui.R;
     26 import com.android.systemui.qs.customize.QSCustomizer;
     27 
     28 /**
     29  * Wrapper view with background which contains {@link QSPanel} and {@link BaseStatusBarHeader}
     30  */
     31 public class QSContainerImpl extends FrameLayout {
     32 
     33     private final Point mSizePoint = new Point();
     34 
     35     private int mHeightOverride = -1;
     36     protected View mQSPanel;
     37     private View mQSDetail;
     38     protected View mHeader;
     39     protected float mQsExpansion;
     40     private QSCustomizer mQSCustomizer;
     41     private QSFooter mQSFooter;
     42     private int mGutterHeight;
     43     private View mBackground;
     44     private float mFullElevation;
     45 
     46     public QSContainerImpl(Context context, AttributeSet attrs) {
     47         super(context, attrs);
     48     }
     49 
     50     @Override
     51     protected void onFinishInflate() {
     52         super.onFinishInflate();
     53         mQSPanel = findViewById(R.id.quick_settings_panel);
     54         mQSDetail = findViewById(R.id.qs_detail);
     55         mHeader = findViewById(R.id.header);
     56         mQSCustomizer = findViewById(R.id.qs_customize);
     57         mQSFooter = findViewById(R.id.qs_footer);
     58         mBackground = findViewById(R.id.qs_background);
     59         mGutterHeight = getContext().getResources().getDimensionPixelSize(R.dimen.qs_gutter_height);
     60         mFullElevation = mQSPanel.getElevation();
     61 
     62         setClickable(true);
     63         setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
     64     }
     65 
     66     @Override
     67     public boolean performClick() {
     68         // Want to receive clicks so missing QQS tiles doesn't cause collapse, but
     69         // don't want to do anything with them.
     70         return true;
     71     }
     72 
     73     @Override
     74     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
     75         // Since we control our own bottom, be whatever size we want.
     76         // Otherwise the QSPanel ends up with 0 height when the window is only the
     77         // size of the status bar.
     78         mQSPanel.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(
     79                 MeasureSpec.getSize(heightMeasureSpec), MeasureSpec.UNSPECIFIED));
     80         int width = mQSPanel.getMeasuredWidth();
     81         LayoutParams layoutParams = (LayoutParams) mQSPanel.getLayoutParams();
     82         int height = layoutParams.topMargin + layoutParams.bottomMargin
     83                 + mQSPanel.getMeasuredHeight();
     84         super.onMeasure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
     85                 MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
     86 
     87         // QSCustomizer will always be the height of the screen, but do this after
     88         // other measuring to avoid changing the height of the QS.
     89         getDisplay().getRealSize(mSizePoint);
     90         mQSCustomizer.measure(widthMeasureSpec,
     91                 MeasureSpec.makeMeasureSpec(mSizePoint.y, MeasureSpec.EXACTLY));
     92     }
     93 
     94     @Override
     95     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
     96         super.onLayout(changed, left, top, right, bottom);
     97         updateExpansion();
     98     }
     99 
    100     /**
    101      * Overrides the height of this view (post-layout), so that the content is clipped to that
    102      * height and the background is set to that height.
    103      *
    104      * @param heightOverride the overridden height
    105      */
    106     public void setHeightOverride(int heightOverride) {
    107         mHeightOverride = heightOverride;
    108         updateExpansion();
    109     }
    110 
    111     public void updateExpansion() {
    112         int height = calculateContainerHeight();
    113         int gutterHeight = Math.round(mQsExpansion * mGutterHeight);
    114         setBottom(getTop() + height + gutterHeight);
    115         mQSDetail.setBottom(getTop() + height);
    116         mBackground.setBottom(getTop() + height);
    117         // Pin QS Footer to the bottom of the panel.
    118         mQSFooter.setTranslationY(height - mQSFooter.getHeight());
    119 
    120         float elevation = mQsExpansion * mFullElevation;
    121         mQSDetail.setElevation(elevation);
    122         mBackground.setElevation(elevation);
    123         mQSFooter.setElevation(elevation);
    124         mQSPanel.setElevation(elevation);
    125     }
    126 
    127     protected int calculateContainerHeight() {
    128         int heightOverride = mHeightOverride != -1 ? mHeightOverride : getMeasuredHeight();
    129         return mQSCustomizer.isCustomizing() ? mQSCustomizer.getHeight()
    130                 : Math.round(mQsExpansion * (heightOverride - mHeader.getHeight()))
    131                 + mHeader.getHeight();
    132     }
    133 
    134     public void setExpansion(float expansion) {
    135         mQsExpansion = expansion;
    136         updateExpansion();
    137     }
    138 
    139     public void setGutterEnabled(boolean gutterEnabled) {
    140         if (gutterEnabled == (mGutterHeight != 0)) {
    141             return;
    142         }
    143         if (gutterEnabled) {
    144             mGutterHeight = getContext().getResources().getDimensionPixelSize(
    145                     R.dimen.qs_gutter_height);
    146         } else {
    147             mGutterHeight = 0;
    148         }
    149         updateExpansion();
    150     }
    151 }
    152