From 482f05ba3eec543cf619675c59a4f925c5448971 Mon Sep 17 00:00:00 2001
From: Lucas Dupin <dupin@google.com>
Date: Mon, 28 Dec 2020 13:28:16 -0800
Subject: [PATCH] Expose Material Design system palette

Make system dominant and accent colors available to apps in multiple
shades ranging from 0 to 1000.

Also point system colors to the new palette on Theme.DeviceDefault

Fixes: 173628800
Test: atest SystemPalette
Test: manual
Change-Id: Ib9c3bbbb9e381bfc3a98788c33041dad4135d815
---
 core/api/current.txt                          | 24 ++++++
 core/res/res/values/colors.xml                | 74 +++++++++++++++++++
 .../res/res/values/colors_device_defaults.xml | 12 +--
 core/res/res/values/public.xml                | 28 +++++++
 4 files changed, 132 insertions(+), 6 deletions(-)

diff --git a/core/api/current.txt b/core/api/current.txt
index a95ce8b59197d..eb667e60ab5cf 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -1686,6 +1686,30 @@ package android {
     field @Deprecated public static final int secondary_text_dark_nodisable = 17170438; // 0x1060006
     field @Deprecated public static final int secondary_text_light = 17170439; // 0x1060007
     field @Deprecated public static final int secondary_text_light_nodisable = 17170440; // 0x1060008
+    field public static final int system_accent_0 = 17170473; // 0x1060029
+    field public static final int system_accent_100 = 17170475; // 0x106002b
+    field public static final int system_accent_1000 = 17170484; // 0x1060034
+    field public static final int system_accent_200 = 17170476; // 0x106002c
+    field public static final int system_accent_300 = 17170477; // 0x106002d
+    field public static final int system_accent_400 = 17170478; // 0x106002e
+    field public static final int system_accent_50 = 17170474; // 0x106002a
+    field public static final int system_accent_500 = 17170479; // 0x106002f
+    field public static final int system_accent_600 = 17170480; // 0x1060030
+    field public static final int system_accent_700 = 17170481; // 0x1060031
+    field public static final int system_accent_800 = 17170482; // 0x1060032
+    field public static final int system_accent_900 = 17170483; // 0x1060033
+    field public static final int system_main_0 = 17170461; // 0x106001d
+    field public static final int system_main_100 = 17170463; // 0x106001f
+    field public static final int system_main_1000 = 17170472; // 0x1060028
+    field public static final int system_main_200 = 17170464; // 0x1060020
+    field public static final int system_main_300 = 17170465; // 0x1060021
+    field public static final int system_main_400 = 17170466; // 0x1060022
+    field public static final int system_main_50 = 17170462; // 0x106001e
+    field public static final int system_main_500 = 17170467; // 0x1060023
+    field public static final int system_main_600 = 17170468; // 0x1060024
+    field public static final int system_main_700 = 17170469; // 0x1060025
+    field public static final int system_main_800 = 17170470; // 0x1060026
+    field public static final int system_main_900 = 17170471; // 0x1060027
     field public static final int tab_indicator_text = 17170441; // 0x1060009
     field @Deprecated public static final int tertiary_text_dark = 17170448; // 0x1060010
     field @Deprecated public static final int tertiary_text_light = 17170449; // 0x1060011
diff --git a/core/res/res/values/colors.xml b/core/res/res/values/colors.xml
index 110e77a8aa053..89407763a9b61 100644
--- a/core/res/res/values/colors.xml
+++ b/core/res/res/values/colors.xml
@@ -234,4 +234,78 @@
     <color name="personal_apps_suspension_notification_color">#1A73E8</color>
 
     <color name="conversation_important_highlight">#F9AB00</color>
+
+    <!-- Lightest shade of the main color used by the system. White.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_0">#ffffff</color>
+    <!-- Shade of the main system color at 95% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_50">#ebf1f8</color>
+    <!-- Shade of the main system color at 90% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_100">#dde3ea</color>
+    <!-- Shade of the main system color at 80% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_200">#c1c7cd</color>
+    <!-- Shade of the main system color at 70% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_300">#a6acb2</color>
+    <!-- Shade of the main system color at 60% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_400">#8b9197</color>
+    <!-- Shade of the main system color at 50% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_500">#72787d</color>
+    <!-- Shade of the main system color at 40% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_600">#595f64</color>
+    <!-- Shade of the main system color at 30% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_700">#42474d</color>
+    <!-- Shade of the main system color at 20% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_800">#2c3136</color>
+    <!-- Shade of the main system color at 10% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_900">#171c21</color>
+    <!-- Darkest shade of the main color used by the system. Black.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_main_1000">#000000</color>
+
+    <!-- Lightest shade of the accent color used by the system. White.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_0">#ffffff</color>
+    <!-- Shade of the accent system color at 95% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_50">#91fff4</color>
+    <!-- Shade of the accent system color at 90% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_100">#83f6e5</color>
+    <!-- Shade of the accent system color at 80% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_200">#65d9c9</color>
+    <!-- Shade of the accent system color at 70% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_300">#45bdae</color>
+    <!-- Shade of the accent system color at 60% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_400">#1fa293</color>
+    <!-- Shade of the accent system color at 50% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_500">#00877a</color>
+    <!-- Shade of the accent system color at 40% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_600">#006d61</color>
+    <!-- Shade of the accent system color at 30% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_700">#005449</color>
+    <!-- Shade of the accent system color at 20% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_800">#003c33</color>
+    <!-- Shade of the accent system color at 10% lightness.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_900">#00271e</color>
+    <!-- Darkest shade of the accent color used by the system. Black.
+     This value can be overlaid at runtime by OverlayManager RROs. -->
+    <color name="system_accent_1000">#000000</color>
 </resources>
diff --git a/core/res/res/values/colors_device_defaults.xml b/core/res/res/values/colors_device_defaults.xml
index 310ca893ac391..b5580879d3284 100644
--- a/core/res/res/values/colors_device_defaults.xml
+++ b/core/res/res/values/colors_device_defaults.xml
@@ -33,14 +33,14 @@
     <color name="tertiary_device_default_settings">@color/tertiary_material_settings</color>
     <color name="quaternary_device_default_settings">@color/quaternary_material_settings</color>
 
-    <color name="accent_device_default_light">@color/accent_material_light</color>
-    <color name="accent_device_default_dark">@color/accent_material_dark</color>
+    <color name="accent_device_default_light">@color/system_accent_500</color>
+    <color name="accent_device_default_dark">@color/system_accent_200</color>
     <color name="accent_device_default">@color/accent_device_default_light</color>
 
-    <color name="background_device_default_dark">#1A1A1A</color>
-    <color name="background_device_default_light">#F2F2F2</color>
-    <color name="background_floating_device_default_dark">#0D0D0D</color>
-    <color name="background_floating_device_default_light">#CCCCCC</color>
+    <color name="background_device_default_dark">@color/system_main_900</color>
+    <color name="background_device_default_light">@color/system_main_100</color>
+    <color name="background_floating_device_default_dark">@color/system_main_800</color>
+    <color name="background_floating_device_default_light">@color/system_main_200</color>
 
     <!-- Error color -->
     <color name="error_color_device_default_dark">@color/error_color_material_dark</color>
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 095843467f9ba..a50ceba3563c4 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -3058,6 +3058,34 @@
 
   <public-group type="color" first-id="0x0106001d">
     <!-- color definitions go here -->
+
+    <!-- Material design dynamic system palette:-->
+    <!-- Dominant color -->
+    <public name="system_main_0" />
+    <public name="system_main_50" />
+    <public name="system_main_100" />
+    <public name="system_main_200" />
+    <public name="system_main_300" />
+    <public name="system_main_400" />
+    <public name="system_main_500" />
+    <public name="system_main_600" />
+    <public name="system_main_700" />
+    <public name="system_main_800" />
+    <public name="system_main_900" />
+    <public name="system_main_1000" />
+    <!-- Accent color -->
+    <public name="system_accent_0" />
+    <public name="system_accent_50" />
+    <public name="system_accent_100" />
+    <public name="system_accent_200" />
+    <public name="system_accent_300" />
+    <public name="system_accent_400" />
+    <public name="system_accent_500" />
+    <public name="system_accent_600" />
+    <public name="system_accent_700" />
+    <public name="system_accent_800" />
+    <public name="system_accent_900" />
+    <public name="system_accent_1000" />
   </public-group>
 
   <public-group type="dimen" first-id="0x01050008">