Merge "Support using uninstalled WebView packages as WebView implementation." into nyc-dev (e25c8532) · Commits · e / os / android_frameworks_base

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

+2 −1

Original line number	Diff line number	Diff line
		@@ -270,5 +270,6 @@ public class SystemImpl implements SystemInterface {

		// flags declaring we want extra info from the package manager for webview providers
		private final static int PACKAGE_FLAGS = PackageManager.GET_META_DATA
		\| PackageManager.GET_SIGNATURES \| PackageManager.MATCH_DEBUG_TRIAGED_MISSING;
		\| PackageManager.GET_SIGNATURES \| PackageManager.MATCH_DEBUG_TRIAGED_MISSING
		\| PackageManager.MATCH_UNINSTALLED_PACKAGES;
		}

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

+9 −7

Original line number	Diff line number	Diff line
		@@ -63,6 +63,7 @@ public class WebViewUpdateService extends SystemService {
		mWebViewUpdatedReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
		switch (intent.getAction()) {
		case Intent.ACTION_PACKAGE_REMOVED:
		// When a package is replaced we will receive two intents, one
		@@ -73,24 +74,22 @@ public class WebViewUpdateService extends SystemService {
		// run the update-logic twice.
		if (intent.getExtras().getBoolean(Intent.EXTRA_REPLACING)) return;
		mImpl.packageStateChanged(packageNameFromIntent(intent),
		PACKAGE_REMOVED);
		PACKAGE_REMOVED, userId);
		break;
		case Intent.ACTION_PACKAGE_CHANGED:
		// Ensure that we only heed PACKAGE_CHANGED intents if they change an
		// entire package, not just a component
		if (entirePackageChanged(intent)) {
		mImpl.packageStateChanged(packageNameFromIntent(intent),
		PACKAGE_CHANGED);
		PACKAGE_CHANGED, userId);
		}
		break;
		case Intent.ACTION_PACKAGE_ADDED:
		mImpl.packageStateChanged(packageNameFromIntent(intent),
		(intent.getExtras().getBoolean(Intent.EXTRA_REPLACING)
		? PACKAGE_ADDED_REPLACED : PACKAGE_ADDED));
		? PACKAGE_ADDED_REPLACED : PACKAGE_ADDED), userId);
		break;
		case Intent.ACTION_USER_ADDED:
		int userId =
		intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
		mImpl.handleNewUser(userId);
		break;
		}
		@@ -105,11 +104,14 @@ public class WebViewUpdateService extends SystemService {
		for (WebViewProviderInfo provider : mImpl.getWebViewPackages()) {
		filter.addDataSchemeSpecificPart(provider.packageName, PatternMatcher.PATTERN_LITERAL);
		}
		getContext().registerReceiver(mWebViewUpdatedReceiver, filter);

		getContext().registerReceiverAsUser(mWebViewUpdatedReceiver, UserHandle.ALL, filter,
		null /* broadcast permission /, null / handler */);

		IntentFilter userAddedFilter = new IntentFilter();
		userAddedFilter.addAction(Intent.ACTION_USER_ADDED);
		getContext().registerReceiver(mWebViewUpdatedReceiver, userAddedFilter);
		getContext().registerReceiverAsUser(mWebViewUpdatedReceiver, UserHandle.ALL,
		userAddedFilter, null /* broadcast permission /, null / handler */);

		publishBinderService("webviewupdate", new BinderService(), true /allowIsolated/);
		}

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

+36 −11

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.content.pm.ApplicationInfo;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.pm.Signature;
		import android.os.UserHandle;
		import android.util.Base64;
		import android.util.Slog;
		import android.webkit.WebViewFactory;
		@@ -49,7 +50,10 @@ public class WebViewUpdateServiceImpl {
		mWebViewUpdater = new WebViewUpdater(mContext, mSystemInterface);
		}

		void packageStateChanged(String packageName, int changedState) {
		void packageStateChanged(String packageName, int changedState, int userId) {
		// We don't early out here in different cases where we could potentially early-out (e.g. if
		// we receive PACKAGE_CHANGED for another user than the system user) since that would
		// complicate this logic further and open up for more edge cases.
		updateFallbackStateOnPackageChange(packageName, changedState);
		mWebViewUpdater.packageStateChanged(packageName, changedState);
		}
		@@ -64,7 +68,7 @@ public class WebViewUpdateServiceImpl {
		if (provider.availableByDefault && !provider.isFallback) {
		try {
		PackageInfo packageInfo = mSystemInterface.getPackageInfoForProvider(provider);
		if (isEnabledPackage(packageInfo)
		if (isInstalledPackage(packageInfo) && isEnabledPackage(packageInfo)
		&& mWebViewUpdater.isValidProvider(provider, packageInfo)) {
		return true;
		}
		@@ -103,7 +107,7 @@ public class WebViewUpdateServiceImpl {
		}

		WebViewProviderInfo[] getValidWebViewPackages() {
		return mWebViewUpdater.getValidWebViewPackages();
		return mWebViewUpdater.getValidAndInstalledWebViewPackages();
		}

		WebViewProviderInfo[] getWebViewPackages() {
		@@ -254,6 +258,12 @@ public class WebViewUpdateServiceImpl {
		// (not if it has been enabled/disabled).
		return;
		}
		if (newPackage.packageName.equals(oldProviderName)
		&& (newPackage.lastUpdateTime
		== mCurrentWebViewPackage.lastUpdateTime)) {
		// If the chosen package hasn't been updated, then early-out
		return;
		}
		}
		// Only trigger update actions if the updated package is the one
		// that will be used, or the one that was in use before the
		@@ -373,14 +383,15 @@ public class WebViewUpdateServiceImpl {
		}
		}

		private ProviderAndPackageInfo[] getValidWebViewPackagesAndInfos() {
		private ProviderAndPackageInfo[] getValidWebViewPackagesAndInfos(boolean onlyInstalled) {
		WebViewProviderInfo[] allProviders = mSystemInterface.getWebViewPackages();
		List<ProviderAndPackageInfo> providers = new ArrayList<>();
		for(int n = 0; n < allProviders.length; n++) {
		try {
		PackageInfo packageInfo =
		mSystemInterface.getPackageInfoForProvider(allProviders[n]);
		if (isValidProvider(allProviders[n], packageInfo)) {
		if ((!onlyInstalled \|\| isInstalledPackage(packageInfo))
		&& isValidProvider(allProviders[n], packageInfo)) {
		providers.add(new ProviderAndPackageInfo(allProviders[n], packageInfo));
		}
		} catch (NameNotFoundException e) {
		@@ -393,8 +404,9 @@ public class WebViewUpdateServiceImpl {
		/**
		* Fetch only the currently valid WebView packages.
		**/
		public WebViewProviderInfo[] getValidWebViewPackages() {
		ProviderAndPackageInfo[] providersAndPackageInfos = getValidWebViewPackagesAndInfos();
		public WebViewProviderInfo[] getValidAndInstalledWebViewPackages() {
		ProviderAndPackageInfo[] providersAndPackageInfos =
		getValidWebViewPackagesAndInfos(true /* only fetch installed packages */);
		WebViewProviderInfo[] providers =
		new WebViewProviderInfo[providersAndPackageInfos.length];
		for(int n = 0; n < providersAndPackageInfos.length; n++) {
		@@ -421,29 +433,33 @@ public class WebViewUpdateServiceImpl {
		*
		*/
		private PackageInfo findPreferredWebViewPackage() {
		ProviderAndPackageInfo[] providers = getValidWebViewPackagesAndInfos();
		ProviderAndPackageInfo[] providers =
		getValidWebViewPackagesAndInfos(false /* onlyInstalled */);

		String userChosenProvider = mSystemInterface.getUserChosenWebViewProvider(mContext);

		// If the user has chosen provider, use that
		for (ProviderAndPackageInfo providerAndPackage : providers) {
		if (providerAndPackage.provider.packageName.equals(userChosenProvider)
		&& isInstalledPackage(providerAndPackage.packageInfo)
		&& isEnabledPackage(providerAndPackage.packageInfo)) {
		return providerAndPackage.packageInfo;
		}
		}

		// User did not choose, or the choice failed; use the most stable provider that is
		// enabled and available by default (not through user choice).
		// installed and enabled for the device owner, and available by default (not through
		// user choice).
		for (ProviderAndPackageInfo providerAndPackage : providers) {
		if (providerAndPackage.provider.availableByDefault
		&& isInstalledPackage(providerAndPackage.packageInfo)
		&& isEnabledPackage(providerAndPackage.packageInfo)) {
		return providerAndPackage.packageInfo;
		}
		}

		// Could not find any enabled package either, use the most stable and default-available
		// provider.
		// Could not find any installed and enabled package either, use the most stable and
		// default-available provider.
		for (ProviderAndPackageInfo providerAndPackage : providers) {
		if (providerAndPackage.provider.availableByDefault) {
		return providerAndPackage.packageInfo;
		@@ -642,4 +658,13 @@ public class WebViewUpdateServiceImpl {
		return packageInfo.applicationInfo.enabled;
		}

		/**
		* Return true if the package is installed and not hidden
		*/
		private static boolean isInstalledPackage(PackageInfo packageInfo) {
		return (((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_INSTALLED) != 0)
		&& ((packageInfo.applicationInfo.privateFlags
		& ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0));
		}

		}

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

+295 −41

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