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Commit 838ba119 authored by Wale Ogunwale's avatar Wale Ogunwale
Browse files

Only request traversals if status bar visibility changed on reevaluation 

Reduces the amount of churn in the system.

Change-Id: Ic1e93f1ed511fe95c551c08a06e239f0e5de93a0
parent cccaa51f

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

+6 −4
Original line number Diff line number Diff line
@@ -9140,9 +9140,9 @@ public class WindowManagerService extends IWindowManager.Stub 
    }



    // TOOD(multidisplay): StatusBar on multiple screens?

    void updateStatusBarVisibilityLocked(int visibility) {

    boolean updateStatusBarVisibilityLocked(int visibility) {

        if (mLastDispatchedSystemUiVisibility == visibility) {

            return;

            return false;

        }

        final int globalDiff = (visibility ^ mLastDispatchedSystemUiVisibility)

                // We are only interested in differences of one of the
@@ -9173,16 +9173,18 @@ public class WindowManagerService extends IWindowManager.Stub 
                // so sorry

            }

        }

        return true;

    }



    @Override

    public void reevaluateStatusBarVisibility() {

        synchronized (mWindowMap) {

            int visibility = mPolicy.adjustSystemUiVisibilityLw(mLastStatusBarVisibility);

            updateStatusBarVisibilityLocked(visibility);

            if (updateStatusBarVisibilityLocked(visibility)) {

                mWindowPlacerLocked.requestTraversal();

            }

        }

    }



    @Override

    public InputConsumerImpl addInputConsumer(Looper looper,