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      1 /*
      2  * Copyright (C) 2012 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.util.AttributeSet;
     21 import android.util.EventLog;
     22 import android.view.MotionEvent;
     23 import android.widget.FrameLayout;
     24 
     25 import com.android.systemui.EventLogTags;
     26 
     27 public class PanelHolder extends FrameLayout {
     28     public static final boolean DEBUG_GESTURES = true;
     29 
     30     private int mSelectedPanelIndex = -1;
     31     private PanelBar mBar;
     32 
     33     public PanelHolder(Context context, AttributeSet attrs) {
     34         super(context, attrs);
     35         setChildrenDrawingOrderEnabled(true);
     36     }
     37 
     38     @Override
     39     protected void onFinishInflate() {
     40         super.onFinishInflate();
     41         setChildrenDrawingOrderEnabled(true);
     42     }
     43 
     44     public int getPanelIndex(PanelView pv) {
     45         final int N = getChildCount();
     46         for (int i=0; i<N; i++) {
     47             final PanelView v = (PanelView) getChildAt(i);
     48             if (pv == v) return i;
     49         }
     50         return -1;
     51     }
     52 
     53     public void setSelectedPanel(PanelView pv) {
     54         mSelectedPanelIndex = getPanelIndex(pv);
     55     }
     56 
     57     @Override
     58     protected int getChildDrawingOrder(int childCount, int i) {
     59         if (mSelectedPanelIndex == -1) {
     60             return i;
     61         } else {
     62             if (i == childCount - 1) {
     63                 return mSelectedPanelIndex;
     64             } else if (i >= mSelectedPanelIndex) {
     65                 return i + 1;
     66             } else {
     67                 return i;
     68             }
     69         }
     70     }
     71 
     72     @Override
     73     public boolean onTouchEvent(MotionEvent event) {
     74         if (DEBUG_GESTURES) {
     75             if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
     76                 EventLog.writeEvent(EventLogTags.SYSUI_PANELHOLDER_TOUCH,
     77                         event.getActionMasked(), (int) event.getX(), (int) event.getY());
     78             }
     79         }
     80         switch (event.getAction()) {
     81             case MotionEvent.ACTION_DOWN:
     82                 PanelBar.LOG("PanelHolder got touch in open air, closing panels");
     83                 mBar.collapseAllPanels(true);
     84                 break;
     85         }
     86         return false;
     87     }
     88 
     89     public void setBar(PanelBar panelBar) {
     90         mBar = panelBar;
     91     }
     92 }
     93