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Commit 07a47241 authored by Ikram Gabiyev's avatar Ikram Gabiyev
Browse files

[PiP2] Use BLAST sync method for config-at-end 

If a config-at-end activity already has a sync group,
make sure all windows of that activity have their mSyncMethodOverride
set to METHOD_BLAST.

So if the collecting transition, for instance, isn't using BLAST sync
method, we can still count on the config-at-end activity's window's draw
being applied in sync as a part of the syncTransaction (which also
resets the ActivityRecord transform).

Bug: 397766262
Flag: com.android.wm.shell.enable_pip2
Test: swipe PiP to home from landscape mode
Change-Id: I79f253136c75b39e48b7234ab0ae0f50ab09c8c8
parent bbf788a7

services/core/java/com/android/server/wm/Transition.java

+6 −0
Original line number Diff line number Diff line
@@ -1640,6 +1640,12 @@ class Transition implements BLASTSyncEngine.TransactionReadyListener { 
                    mSyncEngine.setSyncMethod(syncId, BLASTSyncEngine.METHOD_BLAST);

                }

                mSyncEngine.addToSyncSet(syncId, target);

            } else {

                // If there is an existing sync group for the commit-at-end activity,

                // enforce BLAST sync method for its windows, before resuming config dispatch.

                target.forAllWindows(windowState -> {

                    windowState.mSyncMethodOverride = BLASTSyncEngine.METHOD_BLAST;

                }, true /* traverseTopToBottom */);

            }

            // Reset surface state here (since it was skipped in buildFinishTransaction). Since

            // we are resuming config to the "current" state, we have to calculate the matching