Add contrast level in settings

Test: treehugger
Bug: 259091608

Change-Id: Ib68b6688fdc06843b80a2582a78942b514149f3e

5 files changed, 13 insertions, 0 deletions

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index fd45fca53722..ed59456e2281 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -7776,6 +7776,13 @@ public final class Settings {
                 "high_text_contrast_enabled";
 
         /**
+         * The color contrast, float in [-1, 1], 1 being the highest contrast.
+         *
+         * @hide
+         */
+        public static final String CONTRAST_LEVEL = "contrast_level";
+
+        /**
          * Setting that specifies whether the display magnification is enabled via a system-wide
          * triple tap gesture. Display magnifications allows the user to zoom in the display content
          * and is targeted to low vision users. The current magnification scale is controlled by
diff --git a/core/proto/android/providers/settings/secure.proto b/core/proto/android/providers/settings/secure.proto
index 285258a979e4..556636ddd210 100644
--- a/core/proto/android/providers/settings/secure.proto
+++ b/core/proto/android/providers/settings/secure.proto
@@ -88,6 +88,7 @@ message SecureSettingsProto {
         optional SettingProto odi_captions_volume_ui_enabled = 42 [ (android.privacy).dest = DEST_AUTOMATIC ];
         // Setting for accessibility magnification for following typing.
         optional SettingProto accessibility_magnification_follow_typing_enabled = 43 [ (android.privacy).dest = DEST_AUTOMATIC ];
+        optional SettingProto contrast_level = 44 [ (android.privacy).dest = DEST_AUTOMATIC ];
     }
     optional Accessibility accessibility = 2;
 
diff --git a/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java b/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java
index 8946516af8a2..92a938cb0b47 100644
--- a/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java
+++ b/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java
@@ -53,6 +53,7 @@ public class SecureSettings {
         Settings.Secure.ACCESSIBILITY_SHORTCUT_DIALOG_SHOWN,
         Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN,
         Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
+        Settings.Secure.CONTRAST_LEVEL,
         Settings.Secure.ACCESSIBILITY_CAPTIONING_PRESET,
         Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED,
         Settings.Secure.ACCESSIBILITY_CAPTIONING_LOCALE,
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
index cbf79530a6b6..eabf4cc8edfd 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
@@ -86,6 +86,7 @@ public class SecureSettingsValidators {
         VALIDATORS.put(Secure.ACCESSIBILITY_SHORTCUT_DIALOG_SHOWN, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, BOOLEAN_VALIDATOR);
+        VALIDATORS.put(Secure.CONTRAST_LEVEL, new InclusiveFloatRangeValidator(-1f, 1f));
         VALIDATORS.put(
                 Secure.ACCESSIBILITY_CAPTIONING_PRESET,
                 new DiscreteValueValidator(new String[] {"-1", "0", "1", "2", "3", "4"}));
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java
index aa3a983e9971..a78faaf90c37 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java
@@ -1756,6 +1756,9 @@ class SettingsProtoDumpUtil {
                 Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
                 SecureSettingsProto.Accessibility.HIGH_TEXT_CONTRAST_ENABLED);
         dumpSetting(s, p,
+                Settings.Secure.CONTRAST_LEVEL,
+                SecureSettingsProto.Accessibility.CONTRAST_LEVEL);
+        dumpSetting(s, p,
                 Settings.Secure.FONT_WEIGHT_ADJUSTMENT,
                 SecureSettingsProto.FONT_WEIGHT_ADJUSTMENT);
         dumpSetting(s, p,