Revert "Back up the smooth display setting"

Revert submission 22741921-cherrypick-bug-211737588-lp9s6r5vn3

Reason for revert: b/279215664

Reverted changes: /q/submissionid:22741921-cherrypick-bug-211737588-lp9s6r5vn3

Change-Id: I9b50aa0e2c5a7d328c4aa70b049c37c81e49e89b
Merged-In: I9b50aa0e2c5a7d328c4aa70b049c37c81e49e89b
diff --git a/src/com/android/settings/development/ForcePeakRefreshRatePreferenceController.java b/src/com/android/settings/development/ForcePeakRefreshRatePreferenceController.java
index 2e0a6b4..d5d4025 100644
--- a/src/com/android/settings/development/ForcePeakRefreshRatePreferenceController.java
+++ b/src/com/android/settings/development/ForcePeakRefreshRatePreferenceController.java
@@ -16,18 +16,17 @@
 
 package com.android.settings.development;
 
-import static com.android.internal.display.RefreshRateSettingsUtils.DEFAULT_REFRESH_RATE;
-
 import android.content.Context;
+import android.hardware.display.DisplayManager;
 import android.provider.Settings;
 import android.util.Log;
+import android.view.Display;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 import androidx.preference.SwitchPreference;
 
-import com.android.internal.display.RefreshRateSettingsUtils;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
@@ -36,6 +35,12 @@
         implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     @VisibleForTesting
+    static float DEFAULT_REFRESH_RATE = 60f;
+
+    @VisibleForTesting
+    static float NO_CONFIG = 0f;
+
+    @VisibleForTesting
     float mPeakRefreshRate;
 
     private static final String TAG = "ForcePeakRefreshRateCtr";
@@ -43,8 +48,17 @@
 
     public ForcePeakRefreshRatePreferenceController(Context context) {
         super(context);
-        mPeakRefreshRate =
-                RefreshRateSettingsUtils.findHighestRefreshRateForDefaultDisplay(context);
+
+        final DisplayManager dm = context.getSystemService(DisplayManager.class);
+        final Display display = dm.getDisplay(Display.DEFAULT_DISPLAY);
+
+        if (display == null) {
+            Log.w(TAG, "No valid default display device");
+            mPeakRefreshRate = DEFAULT_REFRESH_RATE;
+        } else {
+            mPeakRefreshRate = findPeakRefreshRate(display.getSupportedModes());
+        }
+
         Log.d(TAG, "DEFAULT_REFRESH_RATE : " + DEFAULT_REFRESH_RATE
             + " mPeakRefreshRate : " + mPeakRefreshRate);
     }
@@ -85,20 +99,34 @@
     @Override
     protected void onDeveloperOptionsSwitchDisabled() {
         super.onDeveloperOptionsSwitchDisabled();
-        Settings.System.putInt(mContext.getContentResolver(),
-                Settings.System.FORCE_PEAK_REFRESH_RATE, 0);
+        Settings.System.putFloat(mContext.getContentResolver(),
+            Settings.System.MIN_REFRESH_RATE, NO_CONFIG);
 
         ((SwitchPreference) mPreference).setChecked(false);
     }
 
     @VisibleForTesting
     void forcePeakRefreshRate(boolean enable) {
-        Settings.System.putInt(mContext.getContentResolver(),
-                Settings.System.FORCE_PEAK_REFRESH_RATE, enable ? 1 : 0);
+        final float peakRefreshRate = enable ? mPeakRefreshRate : NO_CONFIG;
+        Settings.System.putFloat(mContext.getContentResolver(),
+            Settings.System.MIN_REFRESH_RATE, peakRefreshRate);
     }
 
     boolean isForcePeakRefreshRateEnabled() {
-        return Settings.System.getInt(mContext.getContentResolver(),
-                Settings.System.FORCE_PEAK_REFRESH_RATE, 0) == 1;
+        final float peakRefreshRate = Settings.System.getFloat(mContext.getContentResolver(),
+            Settings.System.MIN_REFRESH_RATE, NO_CONFIG);
+
+        return peakRefreshRate >= mPeakRefreshRate;
+    }
+
+    private float findPeakRefreshRate(Display.Mode[] modes) {
+        float peakRefreshRate = DEFAULT_REFRESH_RATE;
+        for (Display.Mode mode : modes) {
+            if (Math.round(mode.getRefreshRate()) > peakRefreshRate) {
+                peakRefreshRate = mode.getRefreshRate();
+            }
+        }
+
+        return peakRefreshRate;
     }
 }
diff --git a/src/com/android/settings/display/PeakRefreshRatePreferenceController.java b/src/com/android/settings/display/PeakRefreshRatePreferenceController.java
index 72eca5b..dfcc601 100644
--- a/src/com/android/settings/display/PeakRefreshRatePreferenceController.java
+++ b/src/com/android/settings/display/PeakRefreshRatePreferenceController.java
@@ -16,20 +16,18 @@
 
 package com.android.settings.display;
 
-import static com.android.internal.display.RefreshRateSettingsUtils.DEFAULT_REFRESH_RATE;
-
 import android.content.Context;
 import android.hardware.display.DisplayManager;
 import android.os.Handler;
 import android.provider.DeviceConfig;
 import android.provider.Settings;
 import android.util.Log;
+import android.view.Display;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
-import com.android.internal.display.RefreshRateSettingsUtils;
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
@@ -41,6 +39,8 @@
 public class PeakRefreshRatePreferenceController extends TogglePreferenceController
         implements LifecycleObserver, OnStart, OnStop {
 
+    @VisibleForTesting static float DEFAULT_REFRESH_RATE = 60f;
+
     @VisibleForTesting float mPeakRefreshRate;
 
     private static final String TAG = "RefreshRatePrefCtr";
@@ -65,8 +65,17 @@
                         updateState(mPreference);
                     }
                 };
-        mPeakRefreshRate =
-                RefreshRateSettingsUtils.findHighestRefreshRateForDefaultDisplay(context);
+
+        final DisplayManager dm = mContext.getSystemService(DisplayManager.class);
+        final Display display = dm.getDisplay(Display.DEFAULT_DISPLAY);
+
+        if (display == null) {
+            Log.w(TAG, "No valid default display device");
+            mPeakRefreshRate = DEFAULT_REFRESH_RATE;
+        } else {
+            mPeakRefreshRate = findPeakRefreshRate(display.getSupportedModes());
+        }
+
         Log.d(
                 TAG,
                 "DEFAULT_REFRESH_RATE : "
@@ -97,15 +106,21 @@
 
     @Override
     public boolean isChecked() {
-        return Settings.System.getInt(mContext.getContentResolver(), Settings.System.SMOOTH_DISPLAY,
-                0) == 1;
+        final float peakRefreshRate =
+                Settings.System.getFloat(
+                        mContext.getContentResolver(),
+                        Settings.System.PEAK_REFRESH_RATE,
+                        getDefaultPeakRefreshRate());
+        return Math.round(peakRefreshRate) == Math.round(mPeakRefreshRate);
     }
 
     @Override
     public boolean setChecked(boolean isChecked) {
-        Log.d(TAG, "setChecked to : " + isChecked);
-        return Settings.System.putInt(
-                mContext.getContentResolver(), Settings.System.SMOOTH_DISPLAY, isChecked ? 1 : 0);
+        final float peakRefreshRate = isChecked ? mPeakRefreshRate : DEFAULT_REFRESH_RATE;
+        Log.d(TAG, "setChecked to : " + peakRefreshRate);
+
+        return Settings.System.putFloat(
+                mContext.getContentResolver(), Settings.System.PEAK_REFRESH_RATE, peakRefreshRate);
     }
 
     @Override
@@ -123,6 +138,17 @@
         mDeviceConfigDisplaySettings.stopListening();
     }
 
+    @VisibleForTesting
+    float findPeakRefreshRate(Display.Mode[] modes) {
+        float peakRefreshRate = DEFAULT_REFRESH_RATE;
+        for (Display.Mode mode : modes) {
+            if (Math.round(mode.getRefreshRate()) > peakRefreshRate) {
+                peakRefreshRate = mode.getRefreshRate();
+            }
+        }
+        return peakRefreshRate;
+    }
+
     private class DeviceConfigDisplaySettings
             implements DeviceConfig.OnPropertiesChangedListener, Executor {
         public void startListening() {
@@ -165,4 +191,15 @@
             }
         }
     }
+
+    private float getDefaultPeakRefreshRate() {
+        float defaultPeakRefreshRate = mDeviceConfigDisplaySettings.getDefaultPeakRefreshRate();
+        if (defaultPeakRefreshRate == INVALIDATE_REFRESH_RATE) {
+            defaultPeakRefreshRate = (float) mContext.getResources().getInteger(
+                    com.android.internal.R.integer.config_defaultPeakRefreshRate);
+        }
+
+        Log.d(TAG, "DeviceConfig getDefaultPeakRefreshRate : " + defaultPeakRefreshRate);
+        return defaultPeakRefreshRate;
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/development/ForcePeakRefreshRatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ForcePeakRefreshRatePreferenceControllerTest.java
index 7dfde38..2e93d5e 100644
--- a/tests/robotests/src/com/android/settings/development/ForcePeakRefreshRatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ForcePeakRefreshRatePreferenceControllerTest.java
@@ -16,8 +16,8 @@
 
 package com.android.settings.development;
 
-import static com.android.internal.display.RefreshRateSettingsUtils.DEFAULT_REFRESH_RATE;
-
+import static com.android.settings.development.ForcePeakRefreshRatePreferenceController.DEFAULT_REFRESH_RATE;
+import static com.android.settings.development.ForcePeakRefreshRatePreferenceController.NO_CONFIG;
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Mockito.verify;
@@ -38,6 +38,8 @@
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
+import android.util.Log;
+
 @RunWith(RobolectricTestRunner.class)
 public class ForcePeakRefreshRatePreferenceControllerTest {
 
@@ -61,18 +63,22 @@
 
     @Test
     public void onPreferenceChange_preferenceChecked_shouldEnableForcePeak() {
+        mController.mPeakRefreshRate = 88f;
+
         mController.onPreferenceChange(mPreference, true);
 
-        assertThat(Settings.System.getInt(mContext.getContentResolver(),
-                Settings.System.FORCE_PEAK_REFRESH_RATE, -1)).isEqualTo(1);
+        assertThat(Settings.System.getFloat(mContext.getContentResolver(),
+                Settings.System.MIN_REFRESH_RATE, NO_CONFIG)).isEqualTo(88f);
     }
 
     @Test
     public void onPreferenceChange_preferenceUnchecked_shouldDisableForcePeak() {
+        mController.mPeakRefreshRate = 88f;
+
         mController.onPreferenceChange(mPreference, false);
 
-        assertThat(Settings.System.getInt(mContext.getContentResolver(),
-                Settings.System.FORCE_PEAK_REFRESH_RATE, -1)).isEqualTo(0);
+        assertThat(Settings.System.getFloat(mContext.getContentResolver(),
+                Settings.System.MIN_REFRESH_RATE, NO_CONFIG)).isEqualTo(NO_CONFIG);
     }
 
     @Test
@@ -119,8 +125,8 @@
     public void onDeveloperOptionsDisabled_shouldDisablePreference() {
         mController.onDeveloperOptionsSwitchDisabled();
 
-        assertThat(Settings.System.getInt(mContext.getContentResolver(),
-                Settings.System.FORCE_PEAK_REFRESH_RATE, -1)).isEqualTo(0);
+        assertThat(Settings.System.getFloat(mContext.getContentResolver(),
+                Settings.System.MIN_REFRESH_RATE, -1f)).isEqualTo(NO_CONFIG);
         assertThat(mPreference.isChecked()).isFalse();
         assertThat(mPreference.isEnabled()).isFalse();
     }
diff --git a/tests/robotests/src/com/android/settings/display/PeakRefreshRatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/PeakRefreshRatePreferenceControllerTest.java
index 9c3644e..aaeeea4 100644
--- a/tests/robotests/src/com/android/settings/display/PeakRefreshRatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/PeakRefreshRatePreferenceControllerTest.java
@@ -16,14 +16,15 @@
 
 package com.android.settings.display;
 
-import static com.android.internal.display.RefreshRateSettingsUtils.DEFAULT_REFRESH_RATE;
 import static com.android.settings.core.BasePreferenceController.AVAILABLE;
 import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
+import static com.android.settings.display.PeakRefreshRatePreferenceController.DEFAULT_REFRESH_RATE;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
 import android.provider.Settings;
+import android.view.Display;
 
 import androidx.preference.SwitchPreference;
 
@@ -69,21 +70,23 @@
     }
 
     @Test
-    public void setChecked_enableSmoothDisplay() {
+    public void setChecked_enableSmoothDisplay_setCurrentRefreshRate() {
+        mController.mPeakRefreshRate = 88f;
         mController.setChecked(true);
 
-        assertThat(Settings.System.getInt(mContext.getContentResolver(),
-                Settings.System.SMOOTH_DISPLAY, -1))
-                .isEqualTo(1);
+        assertThat(Settings.System.getFloat(mContext.getContentResolver(),
+                Settings.System.PEAK_REFRESH_RATE, DEFAULT_REFRESH_RATE))
+                .isEqualTo(88.0f);
     }
 
     @Test
-    public void setChecked_disableSmoothDisplay() {
+    public void setChecked_disableSmoothDisplay_setDefaultRefreshRate() {
+        mController.mPeakRefreshRate = 88f;
         mController.setChecked(false);
 
-        assertThat(Settings.System.getInt(mContext.getContentResolver(),
-                Settings.System.SMOOTH_DISPLAY, -1))
-                .isEqualTo(0);
+        assertThat(Settings.System.getFloat(mContext.getContentResolver(),
+                Settings.System.PEAK_REFRESH_RATE, DEFAULT_REFRESH_RATE))
+                .isEqualTo(DEFAULT_REFRESH_RATE);
     }
 
     @Test
@@ -100,21 +103,36 @@
         assertThat(mController.isChecked()).isFalse();
     }
 
+    @Test
+    public void findPeakRefreshRate_moreThanOneHigherThanDefault() {
+        Display.Mode lower = new Display.Mode(0, 0, 0, DEFAULT_REFRESH_RATE - 1);
+        Display.Mode def = new Display.Mode(0, 0, 0, DEFAULT_REFRESH_RATE);
+        Display.Mode higher = new Display.Mode(0, 0, 0, DEFAULT_REFRESH_RATE + 1);
+        Display.Mode higher1 = new Display.Mode(0, 0, 0, DEFAULT_REFRESH_RATE + 2);
+
+        assertThat(mController.findPeakRefreshRate(
+                new Display.Mode[] {lower, def, higher, higher1}))
+                .isEqualTo(DEFAULT_REFRESH_RATE + 2);
+        assertThat(mController.findPeakRefreshRate(
+                new Display.Mode[] {lower, def, higher1, higher}))
+                .isEqualTo(DEFAULT_REFRESH_RATE + 2);
+    }
+
     private void enableSmoothDisplayPreference() {
         mController.mPeakRefreshRate = 88f;
 
-        Settings.System.putInt(
+        Settings.System.putFloat(
                 mContext.getContentResolver(),
-                Settings.System.SMOOTH_DISPLAY,
-                1);
+                Settings.System.PEAK_REFRESH_RATE,
+                mController.mPeakRefreshRate);
     }
 
     private void disableSmoothDisplayPreference() {
         mController.mPeakRefreshRate = 88f;
 
-        Settings.System.putInt(
+        Settings.System.putFloat(
                 mContext.getContentResolver(),
-                Settings.System.SMOOTH_DISPLAY,
-                0);
+                Settings.System.PEAK_REFRESH_RATE,
+                DEFAULT_REFRESH_RATE);
     }
 }