Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Unverified Commit f3c09d69 authored by LuK1337's avatar LuK1337 Committed by Michael Bestas
Browse files

SystemUI: Add navbar layout inversion content observer 

* Originally implemented by jesec but since
  then has been reworked by me to use RTL
  instead of replacing left / right buttons.

Change-Id: I6159f0232ba2ee9f45d2afbba7d11072d902d9ac
parent 464609ce

packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarInflaterView.java

+51 −0
Original line number Diff line number Diff line
@@ -22,7 +22,10 @@ import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON; 
import android.annotation.Nullable;

import android.content.Context;

import android.content.res.Configuration;

import android.database.ContentObserver;

import android.graphics.drawable.Icon;

import android.net.Uri;

import android.provider.Settings;

import android.util.AttributeSet;

import android.util.Log;

import android.util.SparseArray;
@@ -44,6 +47,8 @@ import com.android.systemui.navigationbar.buttons.ReverseLinearLayout.ReverseRel 
import com.android.systemui.recents.OverviewProxyService;

import com.android.systemui.shared.system.QuickStepContract;



import lineageos.providers.LineageSettings;



import java.io.PrintWriter;

import java.lang.ref.WeakReference;

import java.util.Objects;
@@ -54,6 +59,7 @@ public class NavigationBarInflaterView extends FrameLayout { 
    public static final String NAV_BAR_VIEWS = "sysui_nav_bar";

    public static final String NAV_BAR_LEFT = "sysui_nav_bar_left";

    public static final String NAV_BAR_RIGHT = "sysui_nav_bar_right";

    public static final String NAV_BAR_INVERSE = "sysui_nav_bar_inverse";



    public static final String MENU_IME_ROTATE = "menu_ime";

    public static final String BACK = "back";
@@ -119,12 +125,26 @@ public class NavigationBarInflaterView extends FrameLayout { 
    private OverviewProxyService mOverviewProxyService;

    private int mNavBarMode = NAV_BAR_MODE_3BUTTON;



    private boolean mInverseLayout;



    private final ContentObserver mContentObserver;



    public NavigationBarInflaterView(Context context, AttributeSet attrs) {

        super(context, attrs);

        createInflaters();

        mOverviewProxyService = Dependency.get(OverviewProxyService.class);

        mListener = new Listener(this);

        mNavBarMode = Dependency.get(NavigationModeController.class).addListener(mListener);

        mContentObserver = new ContentObserver(null) {

            @Override

            public void onChange(boolean selfChange, @Nullable Uri uri) {

                if (Settings.Secure.getUriFor(NAV_BAR_INVERSE).equals(uri)) {

                    mInverseLayout = Settings.Secure.getInt(mContext.getContentResolver(),

                            NAV_BAR_INVERSE, 0) != 0;

                    updateLayoutInversion();

                }

            }

        };

    }



    @VisibleForTesting
@@ -168,12 +188,28 @@ public class NavigationBarInflaterView extends FrameLayout { 
        mNavBarMode = mode;

    }



    @Override

    protected void onAttachedToWindow() {

        super.onAttachedToWindow();

        Uri navBarInverse = Settings.Secure.getUriFor(NAV_BAR_INVERSE);

        mContext.getContentResolver().registerContentObserver(navBarInverse, false,

                mContentObserver);

        mContentObserver.onChange(true, navBarInverse);

    }



    @Override

    protected void onDetachedFromWindow() {

        Dependency.get(NavigationModeController.class).removeListener(mListener);

        mContext.getContentResolver().unregisterContentObserver(mContentObserver);

        super.onDetachedFromWindow();

    }



    @Override

    public void onConfigurationChanged(Configuration newConfig) {

        super.onConfigurationChanged(newConfig);

        updateLayoutInversion();

    }



    public void onLikelyDefaultLayoutChange() {

        // Reevaluate new layout

        final String newValue = getDefaultLayout();
@@ -284,6 +320,21 @@ public class NavigationBarInflaterView extends FrameLayout { 
        updateButtonDispatchersCurrentView();

    }



    private void updateLayoutInversion() {

        mContext.getMainExecutor().execute(() -> {

            if (mInverseLayout) {

                Configuration config = mContext.getResources().getConfiguration();

                if (config.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {

                    setLayoutDirection(View.LAYOUT_DIRECTION_LTR);

                } else {

                    setLayoutDirection(View.LAYOUT_DIRECTION_RTL);

                }

            } else {

                setLayoutDirection(View.LAYOUT_DIRECTION_INHERIT);

            }

        });

    }



    private void addGravitySpacer(LinearLayout layout) {

        layout.addView(new Space(mContext), new LinearLayout.LayoutParams(0, 0, 1));

    }