tree 2ed171ce5d188291539249e23389184091d48de4
parent 80f7ec06d0e45a8724122d5b4451ee12e37f9aac
author Craig Mautner <cmautner@google.com> 1376952462 -0700
committer Craig Mautner <cmautner@google.com> 1376952462 -0700

Notify ViewRootImpl when it's safe to modify Canvas.

When Activity.convert{To|From}Translucent() is called the
ViewRootImpl is now notified when it is safe to convert the Canvas
from translucent to opaque and back to translucent. This will make
it possible to save resources when compositing opaque layers.

Fixes bug 10349536.

Change-Id: I7282aee1d54601fb00611d20be204bf164d873f6