Merge "Add shell command for turning on/off WebView multiprocess." into oc-dev (96d27d82) · Commits · e / os / android_frameworks_base

packages/SettingsLib/res/values/strings.xml

+0 −5

Original line number	Diff line number	Diff line
		@@ -733,11 +733,6 @@
		<!-- Services settings screen, setting option summary for the user to go to the screen to view running services -->
		<string name="runningservices_settings_summary">View and control currently running services</string>

		<!-- Developer settings: enable WebView multiprocess name [CHAR LIMIT=50] -->
		<string name="enable_webview_multiprocess">Multiprocess WebView</string>
		<!-- Developer settings: enable WebView multiprocess summary [CHAR LIMIT=60] -->
		<string name="enable_webview_multiprocess_desc">Run WebView renderers separately</string>

		<!-- Developer settings: select WebView provider title [CHAR LIMIT=30] -->
		<string name="select_webview_provider_title">WebView implementation</string>
		<!-- Developer settings: select WebView provider dialog title [CHAR LIMIT=30] -->

services/core/java/com/android/server/webkit/WebViewUpdateServiceImpl.java

+9 −16

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import android.webkit.WebViewProviderInfo;
		import android.webkit.WebViewProviderResponse;

		import java.io.PrintWriter;
		import java.lang.Integer;
		import java.util.List;

		/**
		@@ -72,6 +73,9 @@ public class WebViewUpdateServiceImpl {
		private WebViewUpdater mWebViewUpdater;
		final private Context mContext;

		private final static int MULTIPROCESS_SETTING_ON_VALUE = Integer.MAX_VALUE;
		private final static int MULTIPROCESS_SETTING_OFF_VALUE = Integer.MIN_VALUE;

		public WebViewUpdateServiceImpl(Context context, SystemInterface systemInterface) {
		mContext = context;
		mSystemInterface = systemInterface;
		@@ -234,31 +238,20 @@ public class WebViewUpdateServiceImpl {
		}

		boolean isMultiProcessEnabled() {
		PackageInfo current = getCurrentWebViewPackage();
		if (current == null) return false;
		int currentVersion = current.versionCode;
		int settingValue = mSystemInterface.getMultiProcessSetting(mContext);
		if (mSystemInterface.isMultiProcessDefaultEnabled()) {
		// Multiprocess should be enabled unless the user has turned it off manually for this
		// version or newer, as we want to re-enable it when it's updated to get fresh
		// bug reports.
		return settingValue > -currentVersion;
		// Multiprocess should be enabled unless the user has turned it off manually.
		return settingValue > MULTIPROCESS_SETTING_OFF_VALUE;
		} else {
		// Multiprocess should not be enabled, unless the user has turned it on manually for
		// any version.
		return settingValue > 0;
		// Multiprocess should not be enabled, unless the user has turned it on manually.
		return settingValue >= MULTIPROCESS_SETTING_ON_VALUE;
		}
		}

		void enableMultiProcess(boolean enable) {
		// The value we store for the setting is the version code of the current package, if it's
		// enabled, or the negation of the version code of the current package, if it's disabled.
		// Users who have a setting from before this scheme was implemented will have it set to 0 or
		// 1 instead.
		PackageInfo current = getCurrentWebViewPackage();
		int currentVersion = current != null ? current.versionCode : 1;
		mSystemInterface.setMultiProcessSetting(mContext,
		enable ? currentVersion : -currentVersion);
		enable ? MULTIPROCESS_SETTING_ON_VALUE : MULTIPROCESS_SETTING_OFF_VALUE);
		mSystemInterface.notifyZygote(enable);
		if (current != null) {
		mSystemInterface.killPackageDependents(current.packageName);

services/core/java/com/android/server/webkit/WebViewUpdateServiceShellCommand.java

+15 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,10 @@ class WebViewUpdateServiceShellCommand extends ShellCommand {
		return enableFallbackLogic(true);
		case "set-webview-implementation":
		return setWebViewImplementation();
		case "enable-multiprocess":
		return enableMultiProcess(true);
		case "disable-multiprocess":
		return enableMultiProcess(false);
		default:
		return handleDefaultCommands(cmd);
		}
		@@ -74,6 +78,13 @@ class WebViewUpdateServiceShellCommand extends ShellCommand {
		}
		}

		private int enableMultiProcess(boolean enable) throws RemoteException {
		final PrintWriter pw = getOutPrintWriter();
		mInterface.enableMultiProcess(enable);
		pw.println("Success");
		return 0;
		}

		@Override
		public void onHelp() {
		PrintWriter pw = getOutPrintWriter();
		@@ -90,6 +101,10 @@ class WebViewUpdateServiceShellCommand extends ShellCommand {
		pw.println(" package is available.");
		pw.println(" set-webview-implementation PACKAGE");
		pw.println(" Set the WebView implementation to the specified package.");
		pw.println(" enable-multiprocess");
		pw.println(" Enable multi-process mode for WebView");
		pw.println(" disable-multiprocess");
		pw.println(" Disable multi-process mode for WebView");
		pw.println();
		}
		}

services/tests/servicestests/src/com/android/server/webkit/WebViewUpdateServiceTest.java

+52 −48

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ import org.mockito.Mockito;
		import org.mockito.Matchers;
		import org.mockito.compat.ArgumentMatcher;

		import java.lang.Integer;
		import java.util.concurrent.CountDownLatch;


		@@ -1530,12 +1531,22 @@ public class WebViewUpdateServiceTest {

		@Test
		public void testMultiProcessEnabledByDefault() {
		testMultiProcessByDefault(true /* enabledByDefault */);
		}

		@Test
		public void testMultiProcessDisabledByDefault() {
		testMultiProcessByDefault(false /* enabledByDefault */);
		}

		private void testMultiProcessByDefault(boolean enabledByDefault) {
		String primaryPackage = "primary";
		WebViewProviderInfo[] packages = new WebViewProviderInfo[] {
		new WebViewProviderInfo(
		primaryPackage, "", true /* default available /, false / fallback */, null)};
		setupWithPackages(packages, true /* fallback logic enabled /, 1 / numRelros */,
		true /* debuggable /, true / multiprocess by default */);
		true /* debuggable */,
		enabledByDefault /* not multiprocess by default */);
		mTestSystemImpl.setPackageInfo(createPackageInfo(primaryPackage, true /* enabled */,
		true /* valid /, true / installed /, null / signatures */,
		10 /* lastUpdateTime/, false / not hidden /, 1000 / versionCode */,
		@@ -1544,35 +1555,54 @@ public class WebViewUpdateServiceTest {
		runWebViewBootPreparationOnMainSync();
		checkPreparationPhasesForPackage(primaryPackage, 1 /* first preparation phase */);

		// Check it's on by default
		assertTrue(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		// Check it's off by default
		assertEquals(enabledByDefault, mWebViewUpdateServiceImpl.isMultiProcessEnabled());

		// Test toggling it
		mWebViewUpdateServiceImpl.enableMultiProcess(false);
		assertFalse(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		mWebViewUpdateServiceImpl.enableMultiProcess(true);
		assertTrue(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		mWebViewUpdateServiceImpl.enableMultiProcess(!enabledByDefault);
		assertEquals(!enabledByDefault, mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		mWebViewUpdateServiceImpl.enableMultiProcess(enabledByDefault);
		assertEquals(enabledByDefault, mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		}

		// Disable, then upgrade provider, which should re-enable it
		mWebViewUpdateServiceImpl.enableMultiProcess(false);
		mTestSystemImpl.setPackageInfo(createPackageInfo(primaryPackage, true /* enabled */,
		true /* valid /, true / installed /, null / signatures */,
		20 /* lastUpdateTime/, false / not hidden /, 2000 / versionCode */,
		false /* isSystemApp */));
		mWebViewUpdateServiceImpl.packageStateChanged(primaryPackage,
		WebViewUpdateService.PACKAGE_ADDED_REPLACED, 0);
		checkPreparationPhasesForPackage(primaryPackage, 2);
		assertTrue(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		@Test
		public void testMultiProcessEnabledByDefaultWithSettingsValue() {
		testMultiProcessByDefaultWithSettingsValue(
		true /* enabledByDefault /, Integer.MIN_VALUE, false / expectEnabled */);
		testMultiProcessByDefaultWithSettingsValue(
		true /* enabledByDefault /, -999999, true / expectEnabled */);
		testMultiProcessByDefaultWithSettingsValue(
		true /* enabledByDefault /, 0, true / expectEnabled */);
		testMultiProcessByDefaultWithSettingsValue(
		true /* enabledByDefault /, 999999, true / expectEnabled */);
		}

		@Test
		public void testMultiProcessDisabledByDefault() {
		public void testMultiProcessDisabledByDefaultWithSettingsValue() {
		testMultiProcessByDefaultWithSettingsValue(
		false /* enabledByDefault /, Integer.MIN_VALUE, false / expectEnabled */);
		testMultiProcessByDefaultWithSettingsValue(
		false /* enabledByDefault /, 0, false / expectEnabled */);
		testMultiProcessByDefaultWithSettingsValue(
		false /* enabledByDefault /, 999999, false / expectEnabled */);
		testMultiProcessByDefaultWithSettingsValue(
		false /* enabledByDefault /, Integer.MAX_VALUE, true / expectEnabled */);
		}

		/**
		* Test the logic of the multiprocess setting depending on whether multiprocess is enabled by
		* default, and what the setting is set to.
		* @param enabledByDefault whether multiprocess is enabled by default.
		* @param settingValue value of the multiprocess setting.
		*/
		private void testMultiProcessByDefaultWithSettingsValue(
		boolean enabledByDefault, int settingValue, boolean expectEnabled) {
		String primaryPackage = "primary";
		WebViewProviderInfo[] packages = new WebViewProviderInfo[] {
		new WebViewProviderInfo(
		primaryPackage, "", true /* default available /, false / fallback */, null)};
		setupWithPackages(packages, true /* fallback logic enabled /, 1 / numRelros */,
		true /* debuggable /, false / not multiprocess by default */);
		true /* debuggable /, enabledByDefault / multiprocess by default */);
		mTestSystemImpl.setPackageInfo(createPackageInfo(primaryPackage, true /* enabled */,
		true /* valid /, true / installed /, null / signatures */,
		10 /* lastUpdateTime/, false / not hidden /, 1000 / versionCode */,
		@@ -1581,38 +1611,12 @@ public class WebViewUpdateServiceTest {
		runWebViewBootPreparationOnMainSync();
		checkPreparationPhasesForPackage(primaryPackage, 1 /* first preparation phase */);

		// Check it's off by default
		assertFalse(mWebViewUpdateServiceImpl.isMultiProcessEnabled());

		// Test toggling it
		mWebViewUpdateServiceImpl.enableMultiProcess(true);
		assertTrue(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		mWebViewUpdateServiceImpl.enableMultiProcess(false);
		assertFalse(mWebViewUpdateServiceImpl.isMultiProcessEnabled());

		// Disable, then upgrade provider, which should not re-enable it
		mWebViewUpdateServiceImpl.enableMultiProcess(false);
		mTestSystemImpl.setPackageInfo(createPackageInfo(primaryPackage, true /* enabled */,
		true /* valid /, true / installed /, null / signatures */,
		20 /* lastUpdateTime/, false / not hidden /, 2000 / versionCode */,
		false /* isSystemApp */));
		mWebViewUpdateServiceImpl.packageStateChanged(primaryPackage,
		WebViewUpdateService.PACKAGE_ADDED_REPLACED, 0);
		checkPreparationPhasesForPackage(primaryPackage, 2);
		assertFalse(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		mTestSystemImpl.setMultiProcessSetting(null /* context */, settingValue);

		// Enable, then upgrade provider, which should leave it on
		mWebViewUpdateServiceImpl.enableMultiProcess(true);
		mTestSystemImpl.setPackageInfo(createPackageInfo(primaryPackage, true /* enabled */,
		true /* valid /, true / installed /, null / signatures */,
		30 /* lastUpdateTime/, false / not hidden /, 3000 / versionCode */,
		false /* isSystemApp */));
		mWebViewUpdateServiceImpl.packageStateChanged(primaryPackage,
		WebViewUpdateService.PACKAGE_ADDED_REPLACED, 0);
		checkPreparationPhasesForPackage(primaryPackage, 3);
		assertTrue(mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		assertEquals(expectEnabled, mWebViewUpdateServiceImpl.isMultiProcessEnabled());
		}


		/**
		* Ensure that packages with a targetSdkVersion targeting the current platform are valid, and
		* that packages targeting an older version are not valid.