am 00e827c7: am 5fcaab43: am ea9ad5ce: Merge remote-tracking branch \'origin/ub-launcher3-burnaby\' into mnc-dev

* commit '00e827c70cb4213ee05140157006a37d12662448': (76 commits)
  Restoring provider behavior for reloading app on old devices   > For older devices, launcher will only reload in case of inserts with specific query parameters   > For older devices, launcehr will notify content observers of any internal inserts   > Chaning TAG for Launcher provider as max logging tag is only 23 characters
  Removing items which are on invalid screen
  Preventing null pointer crash when opening a folder
  Revert workaround for move to default screen on home intent.
  Fixing NPE in recycler view scroll bar.
  Adding workaround for regression caused by ag/752175
  Adding gradle script for Android Studio
  Override the overscroll color for the widget rows.
  Adding graphic for all apps empty search screen.
  Using GET_UNINSTALLED_PACKAGES flag when getting packageInfo for a managed profile app
  Revert "Adding viewId for the QSB"
  Adding viewId for the QSB
  Fixing issue with missing scroll bar after fast-scrolling and searching.
  Fixing an issue where you would inadvertently start fastscrolling.
  Pending bind callbacks should be cleared before starting the loader, similar to startBinding
  Fixing widgets container inactive scroll bar color.
  Making the detached scrollbar catch up faster to the actual scroll position.
  Updating theme to use the light theme by default, instead of wallpaper theme   > This allows us to use all the goodness of material theme   > Cursor in folder edit text is no longer 1px wide
  Updating the target sdk to launcher
  Using the usermanager api to get creation time
  ...

1 files changed, 28 insertions, 13 deletions

diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index cc5e18bc1..8791e9e57 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -65,20 +65,17 @@ import java.util.HashSet;
 import java.util.List;
 
 public class LauncherProvider extends ContentProvider {
-    private static final String TAG = "Launcher.LauncherProvider";
+    private static final String TAG = "LauncherProvider";
     private static final boolean LOGD = false;
 
     private static final int DATABASE_VERSION = 26;
 
-    static final String OLD_AUTHORITY = "com.android.launcher2.settings";
-    static final String AUTHORITY = ProviderConfig.AUTHORITY;
+    public static final String AUTHORITY = ProviderConfig.AUTHORITY;
 
     static final String TABLE_FAVORITES = LauncherSettings.Favorites.TABLE_NAME;
     static final String TABLE_WORKSPACE_SCREENS = LauncherSettings.WorkspaceScreens.TABLE_NAME;
     static final String EMPTY_DATABASE_CREATED = "EMPTY_DATABASE_CREATED";
 
-    private static final String URI_PARAM_IS_EXTERNAL_ADD = "isExternalAdd";
-
     private static final String RESTRICTION_PACKAGE_NAME = "workspace.configuration.package.name";
 
     @Thunk LauncherProviderChangeListener mListener;
@@ -140,14 +137,21 @@ public class LauncherProvider extends ContentProvider {
         return db.insert(table, nullColumnHack, values);
     }
 
+    private void reloadLauncherIfExternal() {
+        if (Utilities.ATLEAST_MARSHMALLOW && Binder.getCallingPid() != Process.myPid()) {
+            LauncherAppState app = LauncherAppState.getInstanceNoCreate();
+            if (app != null) {
+                app.reloadWorkspace();
+            }
+        }
+    }
+
     @Override
     public Uri insert(Uri uri, ContentValues initialValues) {
         SqlArguments args = new SqlArguments(uri);
 
-        // In very limited cases, we support system|signature permission apps to add to the db
-        String externalAdd = uri.getQueryParameter(URI_PARAM_IS_EXTERNAL_ADD);
-        final boolean isExternalAll = externalAdd != null && "true".equals(externalAdd);
-        if (isExternalAll) {
+        // In very limited cases, we support system|signature permission apps to modify the db.
+        if (Binder.getCallingPid() != Process.myPid()) {
             if (!mOpenHelper.initializeExternalAdd(initialValues)) {
                 return null;
             }
@@ -161,13 +165,20 @@ public class LauncherProvider extends ContentProvider {
         uri = ContentUris.withAppendedId(uri, rowId);
         notifyListeners();
 
-        if (isExternalAll) {
+        if (Utilities.ATLEAST_MARSHMALLOW) {
+            reloadLauncherIfExternal();
+        } else {
+            // Deprecated behavior to support legacy devices which rely on provider callbacks.
             LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-            if (app != null) {
+            if (app != null && "true".equals(uri.getQueryParameter("isExternalAdd"))) {
                 app.reloadWorkspace();
             }
-        }
 
+            String notify = uri.getQueryParameter("notify");
+            if (notify == null || "true".equals(notify)) {
+                getContext().getContentResolver().notifyChange(uri, null);
+            }
+        }
         return uri;
     }
 
@@ -192,6 +203,7 @@ public class LauncherProvider extends ContentProvider {
         }
 
         notifyListeners();
+        reloadLauncherIfExternal();
         return values.length;
     }
 
@@ -203,6 +215,7 @@ public class LauncherProvider extends ContentProvider {
         try {
             ContentProviderResult[] result =  super.applyBatch(operations);
             db.setTransactionSuccessful();
+            reloadLauncherIfExternal();
             return result;
         } finally {
             db.endTransaction();
@@ -217,6 +230,7 @@ public class LauncherProvider extends ContentProvider {
         int count = db.delete(args.table, args.where, args.args);
         if (count > 0) notifyListeners();
 
+        reloadLauncherIfExternal();
         return count;
     }
 
@@ -229,6 +243,7 @@ public class LauncherProvider extends ContentProvider {
         int count = db.update(args.table, values, args.where, args.args);
         if (count > 0) notifyListeners();
 
+        reloadLauncherIfExternal();
         return count;
     }
 
@@ -399,7 +414,7 @@ public class LauncherProvider extends ContentProvider {
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
     private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction() {
         // UserManager.getApplicationRestrictions() requires minSdkVersion >= 18
-        if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+        if (!Utilities.ATLEAST_JB_MR2) {
             return null;
         }