Improve setting of contact photos in InCallUI

Add drawable caching in CallCardFragment so that we don't set
the same drawable multiple times.

Save and reuse the default contact photo and default conference
photo to avoid possibly decoding them multiple times.

Bug: 18373617
Change-Id: I54b925e6fc6f136f3d3ef27609fcdaf4c39a73dd

1 files changed, 21 insertions, 4 deletions

diff --git a/InCallUI/src/com/android/incallui/ContactInfoCache.java b/InCallUI/src/com/android/incallui/ContactInfoCache.java
index f8bd38d2b..49621695b 100644
--- a/InCallUI/src/com/android/incallui/ContactInfoCache.java
+++ b/InCallUI/src/com/android/incallui/ContactInfoCache.java
@@ -57,6 +57,9 @@ public class ContactInfoCache implements ContactsAsyncHelper.OnImageLoadComplete
 
     private static ContactInfoCache sCache = null;
 
+    private Drawable mDefaultContactPhotoDrawable;
+    private Drawable mConferencePhotoDrawable;
+
     public static synchronized ContactInfoCache getInstance(Context mContext) {
         if (sCache == null) {
             sCache = new ContactInfoCache(mContext.getApplicationContext());
@@ -316,12 +319,10 @@ public class ContactInfoCache implements ContactsAsyncHelper.OnImageLoadComplete
             if (info.cachedPhoto != null) {
                 photo = info.cachedPhoto;
             } else {
-                photo = context.getResources().getDrawable(R.drawable.img_no_image);
-                photo.setAutoMirrored(true);
+                photo = getDefaultContactPhotoDrawable();
             }
         } else if (info.contactDisplayPhotoUri == null) {
-            photo = context.getResources().getDrawable(R.drawable.img_no_image);
-            photo.setAutoMirrored(true);
+            photo = getDefaultContactPhotoDrawable();
         } else {
             cce.displayPhotoUri = info.contactDisplayPhotoUri;
         }
@@ -491,6 +492,22 @@ public class ContactInfoCache implements ContactsAsyncHelper.OnImageLoadComplete
         return name;
     }
 
+    public Drawable getDefaultContactPhotoDrawable() {
+        if (mDefaultContactPhotoDrawable == null) {
+            mDefaultContactPhotoDrawable =
+                    mContext.getResources().getDrawable(R.drawable.img_no_image_automirrored);
+        }
+        return mDefaultContactPhotoDrawable;
+    }
+
+    public Drawable getConferenceDrawable() {
+        if (mConferencePhotoDrawable == null) {
+            mConferencePhotoDrawable =
+                    mContext.getResources().getDrawable(R.drawable.img_conference_automirrored);
+        }
+        return mConferencePhotoDrawable;
+    }
+
     /**
      * Callback interface for the contact query.
      */