Configuration of workspace through app restrictions
For more details see: https://docs.google.com/document/d/19fresMENpmW3Xb5avNowWzN_o4Q27TZy9J_dsiMEDBE
Change-Id: Ifec039750aabafbcbc9d928640ac140e588affc8
diff --git a/src/com/android/launcher3/AutoInstallsLayout.java b/src/com/android/launcher3/AutoInstallsLayout.java
index a5d2228..3f7322c 100644
--- a/src/com/android/launcher3/AutoInstallsLayout.java
+++ b/src/com/android/launcher3/AutoInstallsLayout.java
@@ -77,6 +77,28 @@
TAG_WORKSPACE);
}
+ static AutoInstallsLayout get(String packageName, int xmlResourceId, Context context,
+ AppWidgetHost appWidgetHost, LayoutParserCallback callback) {
+
+ Resources resources;
+ try {
+ resources = context.getPackageManager().getResourcesForApplication(packageName);
+ } catch (PackageManager.NameNotFoundException e) {
+ Log.e(TAG, "Package not found: " + packageName);
+ return null;
+ }
+
+ // Verify that the XML resource exists
+ String resourceName = resources.getResourceName(xmlResourceId);
+ if (resourceName == null || !resourceName.startsWith(packageName)) {
+ Log.e(TAG, "Cannot find resource id:" + xmlResourceId + " in package " + packageName);
+ return null;
+ }
+
+ return new AutoInstallsLayout(context, appWidgetHost, callback, resources, xmlResourceId,
+ TAG_WORKSPACE);
+ }
+
// Object Tags
private static final String TAG_WORKSPACE = "workspace";
private static final String TAG_APP_ICON = "appicon";
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 1715b02..58533c9 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -16,6 +16,7 @@
package com.android.launcher3;
+import android.annotation.TargetApi;
import android.appwidget.AppWidgetHost;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
@@ -40,6 +41,9 @@
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.UserManager;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Log;
@@ -79,6 +83,9 @@
private static final String URI_PARAM_IS_EXTERNAL_ADD = "isExternalAdd";
+ private static final String RESTRICTION_PACKAGE_NAME = "workspace.configuration.package.name";
+ private static final String RESTRICTION_XML_RES_ID = "workspace.configuration.xml.resource.id";
+
private LauncherProviderChangeListener mListener;
/**
@@ -301,9 +308,10 @@
/**
* Loads the default workspace based on the following priority scheme:
- * 1) From a package provided by play store
- * 2) From a partner configuration APK, already in the system image
- * 3) The default configuration for the particular device
+ * 1) From the app restrictions
+ * 2) From a package provided by play store
+ * 3) From a partner configuration APK, already in the system image
+ * 4) The default configuration for the particular device
*/
synchronized public void loadDefaultFavoritesIfNecessary() {
String spKey = LauncherAppState.getSharedPreferencesKey();
@@ -312,9 +320,16 @@
if (sp.getBoolean(EMPTY_DATABASE_CREATED, false)) {
Log.d(TAG, "loading default workspace");
- AutoInstallsLayout loader = AutoInstallsLayout.get(getContext(),
- mOpenHelper.mAppWidgetHost, mOpenHelper);
+ // Application restrictions
+ AutoInstallsLayout loader = createWorkspaceLoaderFromAppRestriction();
+ // Play Store
+ if (loader == null) {
+ loader = AutoInstallsLayout.get(getContext(), mOpenHelper.mAppWidgetHost,
+ mOpenHelper);
+ }
+
+ // Partner APK
if (loader == null) {
final Partner partner = Partner.get(getContext().getPackageManager());
if (partner != null && partner.hasDefaultLayout()) {
@@ -329,6 +344,7 @@
}
final boolean usingExternallyProvidedLayout = loader != null;
+ // Default configuration
if (loader == null) {
loader = getDefaultLayoutParser();
}
@@ -344,6 +360,39 @@
}
}
+ /**
+ * Creates workspace loader from an XML resource listed in the app restrictions.
+ *
+ * @return the loader if the restrictions are set and the resource exists; null otherwise.
+ */
+ @TargetApi(18)
+ private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction() {
+
+ // UserManager.getApplicationRestrictions() requires minSdkVersion >= 18
+ if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+ return null;
+ }
+
+ Context ctx = getContext();
+ UserManager um = (UserManager) ctx.getSystemService(Context.USER_SERVICE);
+ Bundle bundle = um.getApplicationRestrictions(ctx.getPackageName());
+ String packageName = bundle.getString(RESTRICTION_PACKAGE_NAME);
+ int xmlResourceId = bundle.getInt(RESTRICTION_XML_RES_ID);
+
+ AutoInstallsLayout loader = null;
+ if (packageName != null && xmlResourceId != 0) {
+ loader = AutoInstallsLayout.get(packageName, xmlResourceId, getContext(),
+ mOpenHelper.mAppWidgetHost, mOpenHelper);
+
+ }
+
+ if (loader != null) {
+ Log.d(TAG, "Will load workspace configuration from " + packageName);
+ }
+
+ return loader;
+ }
+
private DefaultLayoutParser getDefaultLayoutParser() {
int defaultLayout = LauncherAppState.getInstance()
.getDynamicGrid().getDeviceProfile().defaultLayoutId;