Back up peak refresh rate and min refresh rate (b9103888) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -4866,7 +4866,8 @@ public final class Settings {
		"display_color_mode_vendor_hint";

		/**
		* The user selected min refresh rate in frames per second.
		* The user selected min refresh rate in frames per second. If infinite, the user wants
		* the highest possible refresh rate.
		*
		* If this isn't set, 0 will be used.
		* @hide
		@@ -4875,7 +4876,8 @@ public final class Settings {
		public static final String MIN_REFRESH_RATE = "min_refresh_rate";

		/**
		* The user selected peak refresh rate in frames per second.
		* The user selected peak refresh rate in frames per second. If infinite, the user wants
		* the highest possible refresh rate.
		*
		* If this isn't set, the system falls back to a device specific default.
		* @hide

core/java/com/android/internal/display/RefreshRateSettingsUtils.java

0 → 100644

+56 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.internal.display;

		import android.content.Context;
		import android.hardware.display.DisplayManager;
		import android.util.Log;
		import android.view.Display;

		/**
		* Constants and utility methods for refresh rate settings.
		*/
		public class RefreshRateSettingsUtils {

		private static final String TAG = "RefreshRateSettingsUtils";

		public static final float DEFAULT_REFRESH_RATE = 60f;

		/**
		* Find the highest refresh rate among all the modes of the default display.
		*
		* @param context The context
		* @return The highest refresh rate
		*/
		public static float findHighestRefreshRateForDefaultDisplay(Context 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");
		return DEFAULT_REFRESH_RATE;
		}

		float maxRefreshRate = DEFAULT_REFRESH_RATE;
		for (Display.Mode mode : display.getSupportedModes()) {
		if (mode.getRefreshRate() > maxRefreshRate) {
		maxRefreshRate = mode.getRefreshRate();
		}
		}
		return maxRefreshRate;
		}
		}

packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -101,5 +101,7 @@ public class SystemSettings {
		Settings.System.CAMERA_FLASH_NOTIFICATION,
		Settings.System.SCREEN_FLASH_NOTIFICATION,
		Settings.System.SCREEN_FLASH_NOTIFICATION_COLOR,
		Settings.System.PEAK_REFRESH_RATE,
		Settings.System.MIN_REFRESH_RATE,
		};
		}

packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import static android.provider.settings.validators.SettingsValidators.ANY_STRING
		import static android.provider.settings.validators.SettingsValidators.BOOLEAN_VALIDATOR;
		import static android.provider.settings.validators.SettingsValidators.COMPONENT_NAME_VALIDATOR;
		import static android.provider.settings.validators.SettingsValidators.LENIENT_IP_ADDRESS_VALIDATOR;
		import static android.provider.settings.validators.SettingsValidators.NON_NEGATIVE_FLOAT_VALIDATOR;
		import static android.provider.settings.validators.SettingsValidators.NON_NEGATIVE_INTEGER_VALIDATOR;
		import static android.provider.settings.validators.SettingsValidators.URI_VALIDATOR;
		import static android.provider.settings.validators.SettingsValidators.VIBRATION_INTENSITY_VALIDATOR;
		@@ -236,5 +237,7 @@ public class SystemSettingsValidators {
		VALIDATORS.put(System.CAMERA_FLASH_NOTIFICATION, BOOLEAN_VALIDATOR);
		VALIDATORS.put(System.SCREEN_FLASH_NOTIFICATION, BOOLEAN_VALIDATOR);
		VALIDATORS.put(System.SCREEN_FLASH_NOTIFICATION_COLOR, ANY_INTEGER_VALIDATOR);
		VALIDATORS.put(System.PEAK_REFRESH_RATE, NON_NEGATIVE_FLOAT_VALIDATOR);
		VALIDATORS.put(System.MIN_REFRESH_RATE, NON_NEGATIVE_FLOAT_VALIDATOR);
		}
		}

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

+52 −5

Original line number	Diff line number	Diff line
		@@ -121,6 +121,7 @@ import android.util.proto.ProtoOutputStream;
		import com.android.internal.accessibility.util.AccessibilityUtils;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.content.PackageMonitor;
		import com.android.internal.display.RefreshRateSettingsUtils;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.util.FrameworkStatsLog;
		import com.android.providers.settings.SettingsState.Setting;
		@@ -3878,7 +3879,7 @@ public class SettingsProvider extends ContentProvider {
		}

		private final class UpgradeController {
		private static final int SETTINGS_VERSION = 222;
		private static final int SETTINGS_VERSION = 223;

		private final int mUserId;

		@@ -5935,10 +5936,6 @@ public class SettingsProvider extends ContentProvider {

		if (currentVersion == 218) {
		// Version 219: Removed
		// TODO(b/211737588): Back up the Smooth Display setting
		// Future upgrades to the `peak_refresh_rate` and `min_refresh_rate` settings
		// should account for the database in a non-upgraded and upgraded (change id:
		// Ib2cb2dd100f06f5452083b7606109a486e795a0e) state.
		currentVersion = 219;
		}

		@@ -6004,6 +6001,56 @@ public class SettingsProvider extends ContentProvider {
		currentVersion = 222;
		}

		// Version 222: Set peak refresh rate and min refresh rate to infinity if it's
		// meant to be the highest possible refresh rate. This is needed so that we can
		// back up and restore those settings on other devices. Other devices might have
		// different highest possible refresh rates.
		if (currentVersion == 222) {
		final SettingsState systemSettings = getSystemSettingsLocked(userId);
		final Setting peakRefreshRateSetting =
		systemSettings.getSettingLocked(Settings.System.PEAK_REFRESH_RATE);
		final Setting minRefreshRateSetting =
		systemSettings.getSettingLocked(Settings.System.MIN_REFRESH_RATE);
		float highestRefreshRate = RefreshRateSettingsUtils
		.findHighestRefreshRateForDefaultDisplay(getContext());

		if (!peakRefreshRateSetting.isNull()) {
		try {
		float peakRefreshRate =
		Float.parseFloat(peakRefreshRateSetting.getValue());
		if (Math.round(peakRefreshRate) == Math.round(highestRefreshRate)) {
		systemSettings.insertSettingLocked(
		Settings.System.PEAK_REFRESH_RATE,
		String.valueOf(Float.POSITIVE_INFINITY),
		/* tag= */ null,
		/* makeDefault= */ false,
		SettingsState.SYSTEM_PACKAGE_NAME);
		}
		} catch (NumberFormatException e) {
		// Do nothing. Leave the value as is.
		}
		}

		if (!minRefreshRateSetting.isNull()) {
		try {
		float minRefreshRate =
		Float.parseFloat(minRefreshRateSetting.getValue());
		if (Math.round(minRefreshRate) == Math.round(highestRefreshRate)) {
		systemSettings.insertSettingLocked(
		Settings.System.MIN_REFRESH_RATE,
		String.valueOf(Float.POSITIVE_INFINITY),
		/* tag= */ null,
		/* makeDefault= */ false,
		SettingsState.SYSTEM_PACKAGE_NAME);
		}
		} catch (NumberFormatException e) {
		// Do nothing. Leave the value as is.
		}
		}

		currentVersion = 223;
		}

		// vXXX: Add new settings above this point.

		if (currentVersion != newVersion) {