Added apis for changing the system whitelist (08105647) · Commits · e / os / android_frameworks_base

core/java/android/os/IDeviceIdleController.aidl

+5 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,11 @@ import android.os.UserHandle;
		interface IDeviceIdleController {
		void addPowerSaveWhitelistApp(String name);
		void removePowerSaveWhitelistApp(String name);
		/* Removes an app from the system whitelist. Calling restoreSystemPowerWhitelistApp will add
		the app back into the system whitelist */
		void removeSystemPowerWhitelistApp(String name);
		void restoreSystemPowerWhitelistApp(String name);
		String[] getRemovedSystemPowerWhitelistApps();
		String[] getSystemPowerWhitelistExceptIdle();
		String[] getSystemPowerWhitelist();
		String[] getUserPowerWhitelist();

services/core/java/com/android/server/DeviceIdleController.java

+173 −14

Original line number	Diff line number	Diff line
		@@ -307,6 +307,12 @@ public class DeviceIdleController extends SystemService
		*/
		private int[] mTempWhitelistAppIdArray = new int[0];

		/**
		* Apps in the system whitelist that have been taken out (probably because the user wanted to).
		* They can be restored back by calling restoreAppToSystemWhitelist(String).
		*/
		private ArrayMap<String, Integer> mRemovedFromSystemWhitelistApps = new ArrayMap<>();

		private static final int EVENT_NULL = 0;
		private static final int EVENT_NORMAL = 1;
		private static final int EVENT_LIGHT_IDLE = 2;
		@@ -1162,6 +1168,38 @@ public class DeviceIdleController extends SystemService
		}
		}

		@Override public void removeSystemPowerWhitelistApp(String name) {
		if (DEBUG) {
		Slog.d(TAG, "removeAppFromSystemWhitelist(name = " + name + ")");
		}
		getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER,
		null);
		long ident = Binder.clearCallingIdentity();
		try {
		removeSystemPowerWhitelistAppInternal(name);
		} finally {
		Binder.restoreCallingIdentity(ident);
		}
		}

		@Override public void restoreSystemPowerWhitelistApp(String name) {
		if (DEBUG) {
		Slog.d(TAG, "restoreAppToSystemWhitelist(name = " + name + ")");
		}
		getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER,
		null);
		long ident = Binder.clearCallingIdentity();
		try {
		restoreSystemPowerWhitelistAppInternal(name);
		} finally {
		Binder.restoreCallingIdentity(ident);
		}
		}

		public String[] getRemovedSystemPowerWhitelistApps() {
		return getRemovedSystemPowerWhitelistAppsInternal();
		}

		@Override public String[] getSystemPowerWhitelistExceptIdle() {
		return getSystemPowerWhitelistExceptIdleInternal();
		}
		@@ -1504,6 +1542,42 @@ public class DeviceIdleController extends SystemService
		}
		}

		void resetSystemPowerWhitelistInternal() {
		synchronized (this) {
		mPowerSaveWhitelistApps.putAll(mRemovedFromSystemWhitelistApps);
		mRemovedFromSystemWhitelistApps.clear();
		reportPowerSaveWhitelistChangedLocked();
		updateWhitelistAppIdsLocked();
		writeConfigFileLocked();
		}
		}

		public boolean restoreSystemPowerWhitelistAppInternal(String name) {
		synchronized (this) {
		if (!mRemovedFromSystemWhitelistApps.containsKey(name)) {
		return false;
		}
		mPowerSaveWhitelistApps.put(name, mRemovedFromSystemWhitelistApps.remove(name));
		reportPowerSaveWhitelistChangedLocked();
		updateWhitelistAppIdsLocked();
		writeConfigFileLocked();
		return true;
		}
		}

		public boolean removeSystemPowerWhitelistAppInternal(String name) {
		synchronized (this) {
		if (!mPowerSaveWhitelistApps.containsKey(name)) {
		return false;
		}
		mRemovedFromSystemWhitelistApps.put(name, mPowerSaveWhitelistApps.remove(name));
		reportPowerSaveWhitelistChangedLocked();
		updateWhitelistAppIdsLocked();
		writeConfigFileLocked();
		return true;
		}
		}

		public boolean addPowerSaveWhitelistExceptIdleInternal(String name) {
		synchronized (this) {
		try {
		@@ -1565,6 +1639,17 @@ public class DeviceIdleController extends SystemService
		}
		}

		public String[] getRemovedSystemPowerWhitelistAppsInternal() {
		synchronized (this) {
		int size = mRemovedFromSystemWhitelistApps.size();
		final String[] apps = new String[size];
		for (int i = 0; i < size; i++) {
		apps[i] = mRemovedFromSystemWhitelistApps.keyAt(i);
		}
		return apps;
		}
		}

		public String[] getUserPowerWhitelistInternal() {
		synchronized (this) {
		int size = mPowerSaveWhitelistUserApps.size();
		@@ -2481,7 +2566,8 @@ public class DeviceIdleController extends SystemService
		}

		String tagName = parser.getName();
		if (tagName.equals("wl")) {
		switch (tagName) {
		case "wl":
		String name = parser.getAttributeValue(null, "n");
		if (name != null) {
		try {
		@@ -2492,10 +2578,19 @@ public class DeviceIdleController extends SystemService
		} catch (PackageManager.NameNotFoundException e) {
		}
		}
		} else {
		break;
		case "un-wl":
		final String packageName = parser.getAttributeValue(null, "n");
		if (mPowerSaveWhitelistApps.containsKey(packageName)) {
		mRemovedFromSystemWhitelistApps.put(packageName,
		mPowerSaveWhitelistApps.remove(packageName));
		}
		break;
		default:
		Slog.w(TAG, "Unknown element under <config>: "
		+ parser.getName());
		XmlUtils.skipCurrentTag(parser);
		break;
		}
		}

		@@ -2556,6 +2651,11 @@ public class DeviceIdleController extends SystemService
		out.attribute(null, "n", name);
		out.endTag(null, "wl");
		}
		for (int i = 0; i < mRemovedFromSystemWhitelistApps.size(); i++) {
		out.startTag(null, "un-wl");
		out.attribute(null, "n", mRemovedFromSystemWhitelistApps.keyAt(i));
		out.endTag(null, "un-wl");
		}
		out.endTag(null, "config");
		out.endDocument();
		}
		@@ -2584,6 +2684,13 @@ public class DeviceIdleController extends SystemService
		pw.println(" Print currently whitelisted apps.");
		pw.println(" whitelist [package ...]");
		pw.println(" Add (prefix with +) or remove (prefix with -) packages.");
		pw.println(" sys-whitelist [package ...\|reset]");
		pw.println(" Prefix the package with '-' to remove it from the system whitelist or '+'"
		+ " to put it back in the system whitelist.");
		pw.println(" Note that only packages that were"
		+ " earlier removed from the system whitelist can be added back.");
		pw.println(" reset will reset the whitelist to the original state");
		pw.println(" Prints the system whitelist if no arguments are specified");
		pw.println(" except-idle-whitelist [package ...\|reset]");
		pw.println(" Prefix the package with '+' to add it to whitelist or "
		+ "'=' to check if it is already whitelisted");
		@@ -2944,6 +3051,50 @@ public class DeviceIdleController extends SystemService
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		} else if ("sys-whitelist".equals(cmd)) {
		String arg = shell.getNextArg();
		if (arg != null) {
		getContext().enforceCallingOrSelfPermission(
		android.Manifest.permission.DEVICE_POWER, null);
		final long token = Binder.clearCallingIdentity();
		try {
		if ("reset".equals(arg)) {
		resetSystemPowerWhitelistInternal();
		} else {
		do {
		if (arg.length() < 1
		\|\| (arg.charAt(0) != '-' && arg.charAt(0) != '+')) {
		pw.println("Package must be prefixed with + or - " + arg);
		return -1;
		}
		final char op = arg.charAt(0);
		final String pkg = arg.substring(1);
		switch (op) {
		case '+':
		if (restoreSystemPowerWhitelistAppInternal(pkg)) {
		pw.println("Restored " + pkg);
		}
		break;
		case '-':
		if (removeSystemPowerWhitelistAppInternal(pkg)) {
		pw.println("Removed " + pkg);
		}
		break;
		}
		} while ((arg = shell.getNextArg()) != null);
		}
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		} else {
		synchronized (this) {
		for (int j=0; j<mPowerSaveWhitelistApps.size(); j++) {
		pw.print(mPowerSaveWhitelistApps.keyAt(j));
		pw.print(",");
		pw.println(mPowerSaveWhitelistApps.valueAt(j));
		}
		}
		}
		} else {
		return shell.handleDefaultCommands(cmd);
		}
		@@ -3027,6 +3178,14 @@ public class DeviceIdleController extends SystemService
		pw.println(mPowerSaveWhitelistApps.keyAt(i));
		}
		}
		size = mRemovedFromSystemWhitelistApps.size();
		if (size > 0) {
		pw.println(" Removed from whitelist system apps:");
		for (int i = 0; i < size; i++) {
		pw.print(" ");
		pw.println(mRemovedFromSystemWhitelistApps.keyAt(i));
		}
		}
		size = mPowerSaveWhitelistUserApps.size();
		if (size > 0) {
		pw.println(" Whitelist user apps:");