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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.Bitmap;
     21 import android.graphics.BitmapFactory;
     22 import android.graphics.Canvas;
     23 import android.graphics.PorterDuff;
     24 import android.graphics.drawable.BitmapDrawable;
     25 import android.graphics.drawable.Drawable;
     26 import android.provider.CallLog.Calls;
     27 import android.util.AttributeSet;
     28 import android.view.View;
     29 
     30 import com.android.contacts.common.testing.NeededForTesting;
     31 import com.android.contacts.common.util.BitmapUtil;
     32 import com.android.dialer.R;
     33 import com.google.common.collect.Lists;
     34 
     35 import java.util.List;
     36 
     37 /**
     38  * View that draws one or more symbols for different types of calls (missed calls, outgoing etc).
     39  * The symbols are set up horizontally. As this view doesn't create subviews, it is better suited
     40  * for ListView-recycling that a regular LinearLayout using ImageViews.
     41  */
     42 public class CallTypeIconsView extends View {
     43     private List<Integer> mCallTypes = Lists.newArrayListWithCapacity(3);
     44     private boolean mShowVideo = false;
     45     private Resources mResources;
     46     private int mWidth;
     47     private int mHeight;
     48 
     49     public CallTypeIconsView(Context context) {
     50         this(context, null);
     51     }
     52 
     53     public CallTypeIconsView(Context context, AttributeSet attrs) {
     54         super(context, attrs);
     55         mResources = new Resources(context);
     56     }
     57 
     58     public void clear() {
     59         mCallTypes.clear();
     60         mWidth = 0;
     61         mHeight = 0;
     62         invalidate();
     63     }
     64 
     65     public void add(int callType) {
     66         mCallTypes.add(callType);
     67 
     68         final Drawable drawable = getCallTypeDrawable(callType);
     69         mWidth += drawable.getIntrinsicWidth() + mResources.iconMargin;
     70         mHeight = Math.max(mHeight, drawable.getIntrinsicHeight());
     71         invalidate();
     72     }
     73 
     74     /**
     75      * Determines whether the video call icon will be shown.
     76      *
     77      * @param showVideo True where the video icon should be shown.
     78      */
     79     public void setShowVideo(boolean showVideo) {
     80         mShowVideo = showVideo;
     81         if (showVideo) {
     82             mWidth += mResources.videoCall.getIntrinsicWidth();
     83             mHeight = Math.max(mHeight, mResources.videoCall.getIntrinsicHeight());
     84             invalidate();
     85         }
     86     }
     87 
     88     /**
     89      * Determines if the video icon should be shown.
     90      *
     91      * @return True if the video icon should be shown.
     92      */
     93     public boolean isVideoShown() {
     94         return mShowVideo;
     95     }
     96 
     97     @NeededForTesting
     98     public int getCount() {
     99         return mCallTypes.size();
    100     }
    101 
    102     @NeededForTesting
    103     public int getCallType(int index) {
    104         return mCallTypes.get(index);
    105     }
    106 
    107     private Drawable getCallTypeDrawable(int callType) {
    108         switch (callType) {
    109             case Calls.INCOMING_TYPE:
    110                 return mResources.incoming;
    111             case Calls.OUTGOING_TYPE:
    112                 return mResources.outgoing;
    113             case Calls.MISSED_TYPE:
    114                 return mResources.missed;
    115             case Calls.VOICEMAIL_TYPE:
    116                 return mResources.voicemail;
    117             default:
    118                 // It is possible for users to end up with calls with unknown call types in their
    119                 // call history, possibly due to 3rd party call log implementations (e.g. to
    120                 // distinguish between rejected and missed calls). Instead of crashing, just
    121                 // assume that all unknown call types are missed calls.
    122                 return mResources.missed;
    123         }
    124     }
    125 
    126     @Override
    127     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    128         setMeasuredDimension(mWidth, mHeight);
    129     }
    130 
    131     @Override
    132     protected void onDraw(Canvas canvas) {
    133         int left = 0;
    134         for (Integer callType : mCallTypes) {
    135             final Drawable drawable = getCallTypeDrawable(callType);
    136             final int right = left + drawable.getIntrinsicWidth();
    137             drawable.setBounds(left, 0, right, drawable.getIntrinsicHeight());
    138             drawable.draw(canvas);
    139             left = right + mResources.iconMargin;
    140         }
    141 
    142         // If showing the video call icon, draw it scaled appropriately.
    143         if (mShowVideo) {
    144             final Drawable drawable = mResources.videoCall;
    145             final int right = left + mResources.videoCall.getIntrinsicWidth();
    146             drawable.setBounds(left, 0, right, mResources.videoCall.getIntrinsicHeight());
    147             drawable.draw(canvas);
    148         }
    149     }
    150 
    151     private static class Resources {
    152 
    153         /**
    154          * Drawable representing an incoming answered call.
    155          */
    156         public final Drawable incoming;
    157 
    158         /**
    159          * Drawable respresenting an outgoing call.
    160          */
    161         public final Drawable outgoing;
    162 
    163         /**
    164          * Drawable representing an incoming missed call.
    165          */
    166         public final Drawable missed;
    167 
    168         /**
    169          * Drawable representing a voicemail.
    170          */
    171         public final Drawable voicemail;
    172 
    173         /**
    174          * Drawable repesenting a video call.
    175          */
    176         public final Drawable videoCall;
    177 
    178         /**
    179          * The margin to use for icons.
    180          */
    181         public final int iconMargin;
    182 
    183         /**
    184          * Configures the call icon drawables.
    185          * A single white call arrow which points down and left is used as a basis for all of the
    186          * call arrow icons, applying rotation and colors as needed.
    187          *
    188          * @param context The current context.
    189          */
    190         public Resources(Context context) {
    191             final android.content.res.Resources r = context.getResources();
    192 
    193             incoming = r.getDrawable(R.drawable.ic_call_arrow);
    194             incoming.setColorFilter(r.getColor(R.color.answered_call), PorterDuff.Mode.MULTIPLY);
    195 
    196             // Create a rotated instance of the call arrow for outgoing calls.
    197             outgoing = BitmapUtil.getRotatedDrawable(r, R.drawable.ic_call_arrow, 180f);
    198             outgoing.setColorFilter(r.getColor(R.color.answered_call), PorterDuff.Mode.MULTIPLY);
    199 
    200             // Need to make a copy of the arrow drawable, otherwise the same instance colored
    201             // above will be recolored here.
    202             missed = r.getDrawable(R.drawable.ic_call_arrow).mutate();
    203             missed.setColorFilter(r.getColor(R.color.missed_call), PorterDuff.Mode.MULTIPLY);
    204 
    205             voicemail = r.getDrawable(R.drawable.ic_call_voicemail_holo_dark);
    206 
    207             // Get the video call icon, scaled to match the height of the call arrows.
    208             // We want the video call icon to be the same height as the call arrows, while keeping
    209             // the same width aspect ratio.
    210             Bitmap videoIcon = BitmapFactory.decodeResource(context.getResources(),
    211                     R.drawable.ic_videocam_wht_24dp);
    212             int scaledHeight = missed.getIntrinsicHeight();
    213             int scaledWidth = (int) ((float) videoIcon.getWidth() *
    214                     ((float) missed.getIntrinsicHeight() /
    215                             (float) videoIcon.getHeight()));
    216             Bitmap scaled = Bitmap.createScaledBitmap(videoIcon, scaledWidth, scaledHeight, false);
    217             videoCall = new BitmapDrawable(context.getResources(), scaled);
    218             videoCall.setColorFilter(r.getColor(R.color.dialtacts_secondary_text_color),
    219                     PorterDuff.Mode.MULTIPLY);
    220 
    221             iconMargin = r.getDimensionPixelSize(R.dimen.call_log_icon_margin);
    222         }
    223     }
    224 }
    225