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Commit e7c28572 authored by John Spurlock's avatar John Spurlock
Browse files

Optimize sysui ui queue during keyguard unlock. 

Target the two biggest offenders:
 - Coalesce keyguard setHidden(false) calls during unlock.
 - Make sysui->WM call async.

Found during investigation into b/11221659.

Bug: 11221659
Change-Id: Icab48376bc356a933e0f9940bc2f924e2e77ab22
parent 2b5297a4

core/java/android/view/IWindowManager.aidl

+1 −1
Original line number Diff line number Diff line
@@ -211,7 +211,7 @@ interface IWindowManager 
    /**

     * Called by the status bar to notify Views of changes to System UI visiblity.

     */

    void statusBarVisibilityChanged(int visibility);

    oneway void statusBarVisibilityChanged(int visibility);



    /**

     * Block until the given window has been drawn to the screen.

packages/Keyguard/src/com/android/keyguard/KeyguardService.java

+5 −0
Original line number Diff line number Diff line
@@ -68,6 +68,8 @@ public class KeyguardService extends Service { 
    }



    private final IKeyguardService.Stub mBinder = new IKeyguardService.Stub() {

        private boolean mSetHiddenCalled;

        private boolean mIsHidden;

        public boolean isShowing() {

            return mKeyguardViewMediator.isShowing();

        }
@@ -89,7 +91,10 @@ public class KeyguardService extends Service { 
        }

        public void setHidden(boolean isHidden) {

            checkPermission();

            if (mSetHiddenCalled && mIsHidden == isHidden) return;

            mKeyguardViewMediator.setHidden(isHidden);

            mSetHiddenCalled = true;

            mIsHidden = isHidden;

        }

        public void dismiss() {

            mKeyguardViewMediator.dismiss();