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      1 /*
      2  * Copyright (C) 2011 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.dialer.calllog;
     18 
     19 import android.content.Context;
     20 import android.graphics.Canvas;
     21 import android.graphics.drawable.Drawable;
     22 import android.provider.CallLog.Calls;
     23 import android.util.AttributeSet;
     24 import android.view.View;
     25 
     26 import com.android.contacts.common.test.NeededForTesting;
     27 import com.android.dialer.R;
     28 import com.google.common.collect.Lists;
     29 
     30 import java.util.List;
     31 
     32 /**
     33  * View that draws one or more symbols for different types of calls (missed calls, outgoing etc).
     34  * The symbols are set up horizontally. As this view doesn't create subviews, it is better suited
     35  * for ListView-recycling that a regular LinearLayout using ImageViews.
     36  */
     37 public class CallTypeIconsView extends View {
     38     private List<Integer> mCallTypes = Lists.newArrayListWithCapacity(3);
     39     private Resources mResources;
     40     private int mWidth;
     41     private int mHeight;
     42 
     43     public CallTypeIconsView(Context context) {
     44         this(context, null);
     45     }
     46 
     47     public CallTypeIconsView(Context context, AttributeSet attrs) {
     48         super(context, attrs);
     49         mResources = new Resources(context);
     50     }
     51 
     52     public void clear() {
     53         mCallTypes.clear();
     54         mWidth = 0;
     55         mHeight = 0;
     56         invalidate();
     57     }
     58 
     59     public void add(int callType) {
     60         mCallTypes.add(callType);
     61 
     62         final Drawable drawable = getCallTypeDrawable(callType);
     63         mWidth += drawable.getIntrinsicWidth() + mResources.iconMargin;
     64         mHeight = Math.max(mHeight, drawable.getIntrinsicHeight());
     65         invalidate();
     66     }
     67 
     68     @NeededForTesting
     69     public int getCount() {
     70         return mCallTypes.size();
     71     }
     72 
     73     @NeededForTesting
     74     public int getCallType(int index) {
     75         return mCallTypes.get(index);
     76     }
     77 
     78     private Drawable getCallTypeDrawable(int callType) {
     79         switch (callType) {
     80             case Calls.INCOMING_TYPE:
     81                 return mResources.incoming;
     82             case Calls.OUTGOING_TYPE:
     83                 return mResources.outgoing;
     84             case Calls.MISSED_TYPE:
     85                 return mResources.missed;
     86             case Calls.VOICEMAIL_TYPE:
     87                 return mResources.voicemail;
     88             default:
     89                 // It is possible for users to end up with calls with unknown call types in their
     90                 // call history, possibly due to 3rd party call log implementations (e.g. to
     91                 // distinguish between rejected and missed calls). Instead of crashing, just
     92                 // assume that all unknown call types are missed calls.
     93                 return mResources.missed;
     94         }
     95     }
     96 
     97     @Override
     98     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
     99         setMeasuredDimension(mWidth, mHeight);
    100     }
    101 
    102     @Override
    103     protected void onDraw(Canvas canvas) {
    104         int left = 0;
    105         for (Integer callType : mCallTypes) {
    106             final Drawable drawable = getCallTypeDrawable(callType);
    107             final int right = left + drawable.getIntrinsicWidth();
    108             drawable.setBounds(left, 0, right, drawable.getIntrinsicHeight());
    109             drawable.draw(canvas);
    110             left = right + mResources.iconMargin;
    111         }
    112     }
    113 
    114     private static class Resources {
    115         public final Drawable incoming;
    116         public final Drawable outgoing;
    117         public final Drawable missed;
    118         public final Drawable voicemail;
    119         public final int iconMargin;
    120 
    121         public Resources(Context context) {
    122             final android.content.res.Resources r = context.getResources();
    123             incoming = r.getDrawable(R.drawable.ic_call_incoming_holo_dark);
    124             outgoing = r.getDrawable(R.drawable.ic_call_outgoing_holo_dark);
    125             missed = r.getDrawable(R.drawable.ic_call_missed_holo_dark);
    126             voicemail = r.getDrawable(R.drawable.ic_call_voicemail_holo_dark);
    127             iconMargin = r.getDimensionPixelSize(R.dimen.call_log_icon_margin);
    128         }
    129     }
    130 }
    131