Reducing bitmap sizes in notifications

Bitmap sizes could be arbitrary large when they were sent
over to the system. We're now reducing them to reasonable
sizes.s

Also fixed that notification bitmaps were not put into
ashmem anymore since it got lost in a refactor.

Test: code inspection
Bug: 62319200
Change-Id: I87db7656e749666b9eab1f67fd497f155c407e18

1 files changed, 16 insertions, 0 deletions

diff --git a/core/java/android/widget/RemoteViews.java b/core/java/android/widget/RemoteViews.java
index 454f5b74aeb4..b77aa1c6888a 100644
--- a/core/java/android/widget/RemoteViews.java
+++ b/core/java/android/widget/RemoteViews.java
@@ -199,6 +199,22 @@ public class RemoteViews implements Parcelable, Filter {
     }
 
     /**
+     * Reduces all images and ensures that they are all below the given sizes.
+     *
+     * @param maxWidth the maximum width allowed
+     * @param maxHeight the maximum height allowed
+     *
+     * @hide
+     */
+    public void reduceImageSizes(int maxWidth, int maxHeight) {
+        ArrayList<Bitmap> cache = mBitmapCache.mBitmaps;
+        for (int i = 0; i < cache.size(); i++) {
+            Bitmap bitmap = cache.get(i);
+            cache.set(i, Icon.scaleDownIfNecessary(bitmap, maxWidth, maxHeight));
+        }
+    }
+
+    /**
      * Handle with care!
      */
     static class MutablePair<F, S> {