Change navbar icons when overview proxy service is enabled (1/2)

Changed the home button to a longer bar oval shape and back button to be
outlined instead of filled. Change opalayout to make the home button
larger when connected to launcher. Decrease the nav icons by 2dp in size.

Bug: 67957962
Test: manual
Change-Id: Ia70ea6704278948e333cb9540ff599dbe657de2c

packages/SystemUI/res/values/dimens.xml

@@ -884,7 +884,7 @@
     <dimen name="nav_quick_scrub_track_thickness">2dp</dimen>
 
     <!-- Home button padding for sizing -->
-    <dimen name="home_padding">15dp</dimen>
+    <dimen name="home_padding">16dp</dimen>
 
     <!-- Smart reply button -->
     <dimen name="smart_reply_button_corner_radius">24dip</dimen>

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java

@@ -217,6 +217,9 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav
         mShowAccessibilityButton = false;
         mLongClickableAccessibilityButton = false;
 
+        mOverviewProxyService = Dependency.get(OverviewProxyService.class);
+        mRecentsOnboarding = new RecentsOnboarding(context, mOverviewProxyService);
+
         mConfiguration = new Configuration();
         mConfiguration.updateFrom(context.getResources().getConfiguration());
         updateIcons(context, Configuration.EMPTY, mConfiguration);
@@ -232,9 +235,6 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav
                 new ButtonDispatcher(R.id.accessibility_button));
         mButtonDispatchers.put(R.id.rotate_suggestion,
                 new ButtonDispatcher(R.id.rotate_suggestion));
-
-        mOverviewProxyService = Dependency.get(OverviewProxyService.class);
-        mRecentsOnboarding = new RecentsOnboarding(context, mOverviewProxyService);
     }
 
     public BarTransitions getBarTransitions() {
@@ -355,14 +355,23 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav
         }
         if (oldConfig.densityDpi != newConfig.densityDpi
                 || oldConfig.getLayoutDirection() != newConfig.getLayoutDirection()) {
-            mBackIcon = getDrawable(ctx, R.drawable.ic_sysbar_back, R.drawable.ic_sysbar_back_dark);
+            final boolean proxyAvailable = mOverviewProxyService.getProxy() != null;
+            mBackIcon = proxyAvailable
+                    ? getDrawable(ctx, R.drawable.ic_sysbar_back_quick_step,
+                            R.drawable.ic_sysbar_back_quick_step_dark)
+                    : getDrawable(ctx, R.drawable.ic_sysbar_back, R.drawable.ic_sysbar_back_dark);
             mBackLandIcon = mBackIcon;
-            mBackAltIcon = getDrawable(ctx,
-                    R.drawable.ic_sysbar_back_ime, R.drawable.ic_sysbar_back_ime_dark);
+            mBackAltIcon = proxyAvailable
+                    ? getDrawable(ctx, R.drawable.ic_sysbar_back_ime_quick_step,
+                            R.drawable.ic_sysbar_back_ime_quick_step_dark)
+                    : getDrawable(ctx, R.drawable.ic_sysbar_back_ime,
+                            R.drawable.ic_sysbar_back_ime_dark);
             mBackAltLandIcon = mBackAltIcon;
 
-            mHomeDefaultIcon = getDrawable(ctx,
-                    R.drawable.ic_sysbar_home, R.drawable.ic_sysbar_home_dark);
+            mHomeDefaultIcon = proxyAvailable
+                    ? getDrawable(ctx, R.drawable.ic_sysbar_home_quick_step,
+                            R.drawable.ic_sysbar_home_quick_step_dark)
+                    : getDrawable(ctx, R.drawable.ic_sysbar_home, R.drawable.ic_sysbar_home_dark);
             mRecentIcon = getDrawable(ctx,
                     R.drawable.ic_sysbar_recent, R.drawable.ic_sysbar_recent_dark);
             mMenuIcon = getDrawable(ctx, R.drawable.ic_sysbar_menu, R.drawable.ic_sysbar_menu_dark);
@@ -666,6 +675,8 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav
         setSlippery(!isConnected);
         setDisabledFlags(mDisabledFlags, true);
         setUpSwipeUpOnboarding(isConnected);
+        updateIcons(getContext(), Configuration.EMPTY, mConfiguration);
+        setNavigationIconHints(mNavigationIconHints, true);
     }
 
     @Override