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Commit f58ec22c authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Use isolated display context to get display info" into rvc-dev am: 7f5a670c 

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11969858

Change-Id: I1a33b6fbdfa1f30031c6122fe0b20313e5f8987b
parents f7897465 7f5a670c

src/com/android/launcher3/util/DefaultDisplay.java

+12 −8
Original line number Diff line number Diff line
@@ -49,20 +49,25 @@ public class DefaultDisplay implements DisplayListener { 


    public static final int CHANGE_ALL = CHANGE_SIZE | CHANGE_ROTATION | CHANGE_FRAME_DELAY;



    private final Context mContext;

    private final Context mDisplayContext;

    private final int mId;

    private final ArrayList<DisplayInfoChangeListener> mListeners = new ArrayList<>();

    private final Handler mChangeHandler;

    private Info mInfo;



    private DefaultDisplay(Context context) {

        mContext = context;

        mInfo = new Info(context);

        DisplayManager dm = context.getSystemService(DisplayManager.class);

        // Use application context to create display context so that it can have its own Resources.

        mDisplayContext = context.getApplicationContext().createDisplayContext(

                dm.getDisplay(DEFAULT_DISPLAY));

        // Note that the Display object must be obtained from DisplayManager which is associated to

        // the display context, so the Display is isolated from Activity and Application to provide

        // the actual state of device that excludes the additional adjustment and override.

        mInfo = new Info(mDisplayContext);

        mId = mInfo.id;

        mChangeHandler = new Handler(this::onChange);



        context.getSystemService(DisplayManager.class)

                .registerDisplayListener(this, UI_HELPER_EXECUTOR.getHandler());

        dm.registerDisplayListener(this, UI_HELPER_EXECUTOR.getHandler());

    }



    @Override
@@ -78,7 +83,7 @@ public class DefaultDisplay implements DisplayListener { 
        }



        Info oldInfo = mInfo;

        Info info = new Info(mContext);

        Info info = new Info(mDisplayContext);



        int change = 0;

        if (info.hasDifferentSize(oldInfo)) {
@@ -162,8 +167,7 @@ public class DefaultDisplay implements DisplayListener { 
            display.getRealSize(realSize);

            display.getCurrentSizeRange(smallestSize, largestSize);



            Context defaultDisplayContext = context.createDisplayContext(display);

            metrics = defaultDisplayContext.getResources().getDisplayMetrics();

            metrics = context.getResources().getDisplayMetrics();

        }



        private boolean hasDifferentSize(Info info) {