Merge "Load WebView from one out of a list of packages, reland." (89664601) · Commits · e / os / android_frameworks_base

core/java/android/webkit/WebViewFactory.java

+40 −13

Original line number	Diff line number	Diff line
		@@ -96,28 +96,50 @@ public final class WebViewFactory {
		public MissingWebViewPackageException(Exception e) { super(e); }
		}

		/** @hide */
		public static String[] getWebViewPackageNames() {
		return AppGlobals.getInitialApplication().getResources().getStringArray(
		com.android.internal.R.array.config_webViewPackageNames);
		}

		// TODO (gsennton) remove when committing webview xts test change
		public static String getWebViewPackageName() {
		return AppGlobals.getInitialApplication().getString(
		com.android.internal.R.string.config_webViewPackageName);
		String[] webViewPackageNames = getWebViewPackageNames();
		return webViewPackageNames[webViewPackageNames.length-1];
		}

		private static PackageInfo fetchPackageInfo() {
		/**
		* Return the package info of the first package in the webview priority list that contains
		* webview.
		*
		* @hide
		*/
		public static PackageInfo findPreferredWebViewPackage() {
		PackageManager pm = AppGlobals.getInitialApplication().getPackageManager();

		for (String packageName : getWebViewPackageNames()) {
		try {
		return pm.getPackageInfo(getWebViewPackageName(), PackageManager.GET_META_DATA);
		PackageInfo packageInfo = pm.getPackageInfo(packageName,
		PackageManager.GET_META_DATA);
		ApplicationInfo applicationInfo = packageInfo.applicationInfo;

		// If the correct flag is set the package contains webview.
		if (getWebViewLibrary(applicationInfo) != null) {
		return packageInfo;
		}
		} catch (PackageManager.NameNotFoundException e) {
		throw new MissingWebViewPackageException(e);
		}
		}
		throw new MissingWebViewPackageException("Could not find a loadable WebView package");
		}

		// throws MissingWebViewPackageException
		private static ApplicationInfo getWebViewApplicationInfo() {
		if (sPackageInfo == null) {
		return fetchPackageInfo().applicationInfo;
		} else {
		if (sPackageInfo == null)
		return findPreferredWebViewPackage().applicationInfo;
		else
		return sPackageInfo.applicationInfo;
		}
		}

		private static String getWebViewLibrary(ApplicationInfo ai) {
		if (ai.metaData != null)
		@@ -134,7 +156,12 @@ public final class WebViewFactory {
		* name is the same as the one providing the webview.
		*/
		public static int loadWebViewNativeLibraryFromPackage(String packageName) {
		sPackageInfo = fetchPackageInfo();
		try {
		sPackageInfo = findPreferredWebViewPackage();
		} catch (MissingWebViewPackageException e) {
		return LIBLOAD_FAILED_LISTING_WEBVIEW_PACKAGES;
		}

		if (packageName != null && packageName.equals(sPackageInfo.packageName)) {
		return loadNativeLibrary();
		}
		@@ -180,7 +207,7 @@ public final class WebViewFactory {
		private static Class<WebViewFactoryProvider> getProviderClass() {
		try {
		// First fetch the package info so we can log the webview package version.
		sPackageInfo = fetchPackageInfo();
		sPackageInfo = findPreferredWebViewPackage();
		Log.i(LOGTAG, "Loading " + sPackageInfo.packageName + " version " +
		sPackageInfo.versionName + " (code " + sPackageInfo.versionCode + ")");

core/res/res/values/config.xml

+4 −2

Original line number	Diff line number	Diff line
		@@ -2130,8 +2130,10 @@
		string that's stored in 8-bit unpacked format) characters.-->
		<bool translatable="false" name="config_sms_decode_gsm_8bit_data">false</bool>

		<!-- Package name providing WebView implementation. -->
		<string name="config_webViewPackageName" translatable="false">com.android.webview</string>
		<!-- List of package names (ordered by preference) providing WebView implementations. -->
		<string-array name="config_webViewPackageNames" translatable="false">
		<item>com.android.webview</item>
		</string-array>

		<!-- If EMS is not supported, framework breaks down EMS into single segment SMS
		and adds page info " x/y". This config is used to set which carrier doesn't

core/res/res/values/symbols.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -2019,7 +2019,7 @@
		<java-symbol type="attr" name="actionModeWebSearchDrawable" />
		<java-symbol type="string" name="websearch" />
		<java-symbol type="drawable" name="ic_media_video_poster" />
		<java-symbol type="string" name="config_webViewPackageName" />
		<java-symbol type="array" name="config_webViewPackageNames" />

		<!-- From SubtitleView -->
		<java-symbol type="dimen" name="subtitle_corner_radius" />

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

+18 −3

Original line number	Diff line number	Diff line
		@@ -40,6 +40,8 @@ public class WebViewUpdateService extends SystemService {
		private boolean mRelroReady32Bit = false;
		private boolean mRelroReady64Bit = false;

		private String oldWebViewPackageName = null;

		private BroadcastReceiver mWebViewUpdatedReceiver;

		public WebViewUpdateService(Context context) {
		@@ -51,9 +53,22 @@ public class WebViewUpdateService extends SystemService {
		mWebViewUpdatedReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		String webviewPackage = "package:" + WebViewFactory.getWebViewPackageName();

		for (String packageName : WebViewFactory.getWebViewPackageNames()) {
		String webviewPackage = "package:" + packageName;

		if (webviewPackage.equals(intent.getDataString())) {
		String usedPackageName =
		WebViewFactory.findPreferredWebViewPackage().packageName;
		// Only trigger update actions if the updated package is the one that
		// will be used, or the one that was in use before the update.
		if (packageName.equals(usedPackageName) \|\|
		packageName.equals(oldWebViewPackageName)) {
		onWebViewUpdateInstalled();
		oldWebViewPackageName = usedPackageName;
		}
		return;
		}
		}
		}
		};