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Commit 8ad94cb6 authored by Aaron Liu's avatar Aaron Liu
Browse files

Register contentObserver on bg thread. 

Perfetto trace shows thats that this registration is blocking the main
thread for 64 ms. We can eliminate this blocking call by putting it on a
bg thread.

Fixes: 310584954
Test: atest KeyguardClockSwitchControllerTest
Flag: NONE

Change-Id: I8c134e23dc430729a965bb2ba517c525a438a5f7
parent 7820d50e

packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java

+25 −15
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ import androidx.annotation.VisibleForTesting; 


import com.android.systemui.Dumpable;

import com.android.systemui.common.ui.ConfigurationState;

import com.android.systemui.dagger.qualifiers.Background;

import com.android.systemui.dagger.qualifiers.Main;

import com.android.systemui.dump.DumpManager;

import com.android.systemui.flags.FeatureFlagsClassic;
@@ -78,6 +79,7 @@ import com.android.systemui.util.settings.SecureSettings; 


import java.io.PrintWriter;

import java.util.Locale;

import java.util.concurrent.Executor;

import java.util.function.Consumer;



import javax.inject.Inject;
@@ -136,6 +138,7 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS 
    private KeyguardInteractor mKeyguardInteractor;

    private KeyguardClockInteractor mKeyguardClockInteractor;

    private final DelayableExecutor mUiExecutor;

    private final Executor mBgExecutor;

    private boolean mCanShowDoubleLineClock = true;

    private DisposableHandle mAodIconsBindHandle;

    @Nullable private NotificationIconContainer mAodIconContainer;
@@ -186,6 +189,7 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS 
            KeyguardUnlockAnimationController keyguardUnlockAnimationController,

            SecureSettings secureSettings,

            @Main DelayableExecutor uiExecutor,

            @Background Executor bgExecutor,

            DumpManager dumpManager,

            ClockEventController clockEventController,

            @KeyguardClockLog LogBuffer logBuffer,
@@ -209,6 +213,7 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS 
        mIconViewBindingFailureTracker = iconViewBindingFailureTracker;

        mSecureSettings = secureSettings;

        mUiExecutor = uiExecutor;

        mBgExecutor = bgExecutor;

        mKeyguardUnlockAnimationController = keyguardUnlockAnimationController;

        mDumpManager = dumpManager;

        mClockEventController = clockEventController;
@@ -328,6 +333,7 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS 
        updateAodIcons();

        mStatusArea = mView.findViewById(R.id.keyguard_status_area);



        mBgExecutor.execute(() -> {

            mSecureSettings.registerContentObserverForUser(

                    Settings.Secure.LOCKSCREEN_USE_DOUBLE_LINE_CLOCK,

                    false, /* notifyForDescendants */
@@ -341,6 +347,8 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS 
                    mShowWeatherObserver,

                    UserHandle.USER_ALL

            );

        });



        updateDoubleLineClock();



        mKeyguardUnlockAnimationController.addKeyguardUnlockAnimationListener(
@@ -382,8 +390,10 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS 
        mClockEventController.unregisterListeners();

        setClock(null);



        mBgExecutor.execute(() -> {

            mSecureSettings.unregisterContentObserver(mDoubleLineClockObserver);

            mSecureSettings.unregisterContentObserver(mShowWeatherObserver);

        });



        mKeyguardUnlockAnimationController.removeKeyguardUnlockAnimationListener(

                mKeyguardUnlockAnimationListener);

packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerBaseTest.java

+1 −0
Original line number Diff line number Diff line
@@ -195,6 +195,7 @@ public class KeyguardClockSwitchControllerBaseTest extends SysuiTestCase { 
                mKeyguardUnlockAnimationController,

                mSecureSettings,

                mExecutor,

                mExecutor,

                mDumpManager,

                mClockEventController,

                mLogBuffer,

packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerTest.java

+2 −0
Original line number Diff line number Diff line
@@ -157,6 +157,7 @@ public class KeyguardClockSwitchControllerTest extends KeyguardClockSwitchContro 
        ArgumentCaptor<ContentObserver> observerCaptor =

                ArgumentCaptor.forClass(ContentObserver.class);

        mController.init();

        mExecutor.runAllReady();

        verify(mSecureSettings).registerContentObserverForUser(

                eq(Settings.Secure.LOCKSCREEN_USE_DOUBLE_LINE_CLOCK),

                    anyBoolean(), observerCaptor.capture(), eq(UserHandle.USER_ALL));
@@ -212,6 +213,7 @@ public class KeyguardClockSwitchControllerTest extends KeyguardClockSwitchContro 
        ArgumentCaptor<ContentObserver> observerCaptor =

                ArgumentCaptor.forClass(ContentObserver.class);

        mController.init();

        mExecutor.runAllReady();

        verify(mSecureSettings).registerContentObserverForUser(

                eq(Settings.Secure.LOCK_SCREEN_WEATHER_ENABLED), anyBoolean(),

                    observerCaptor.capture(), eq(UserHandle.USER_ALL));