From a3f78e39298669c723b4c3388dd2505f422c859c Mon Sep 17 00:00:00 2001
From: Winson Chung <winsonc@google.com>
Date: Thu, 14 Jun 2012 11:59:51 -0700
Subject: [PATCH] Launcher-side changes to update packages after the set of app
 widgets has changed. (Bug 6602951)

Change-Id: Ib557cbe15e84a8ffe889c8122519a6ba303e6ee2
---
 .../android/launcher2/AppsCustomizePagedView.java | 14 --------------
 .../android/launcher2/LauncherAppWidgetHost.java  | 15 +++++++++++++--
 2 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/src/com/android/launcher2/AppsCustomizePagedView.java b/src/com/android/launcher2/AppsCustomizePagedView.java
index 94a6a2b9b6..ef33272953 100644
--- a/src/com/android/launcher2/AppsCustomizePagedView.java
+++ b/src/com/android/launcher2/AppsCustomizePagedView.java
@@ -525,20 +525,6 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
     }
 
     public void onPackagesUpdated() {
-        // TODO: this isn't ideal, but we actually need to delay here. This call is triggered
-        // by a broadcast receiver, and in order for it to work correctly, we need to know that
-        // the AppWidgetService has already received and processed the same broadcast. Since there
-        // is no guarantee about ordering of broadcast receipt, we just delay here. This is a
-        // workaround until we add a callback from AppWidgetService to AppWidgetHost when widget
-        // packages are added, updated or removed.
-        postDelayed(new Runnable() {
-           public void run() {
-               updatePackages();
-           }
-        }, 1500);
-    }
-
-    public void updatePackages() {
         // Get the list of widgets and shortcuts
         mWidgets.clear();
         List<AppWidgetProviderInfo> widgets =
diff --git a/src/com/android/launcher2/LauncherAppWidgetHost.java b/src/com/android/launcher2/LauncherAppWidgetHost.java
index 68d4903da2..35c60a08f4 100644
--- a/src/com/android/launcher2/LauncherAppWidgetHost.java
+++ b/src/com/android/launcher2/LauncherAppWidgetHost.java
@@ -27,8 +27,12 @@ import android.content.Context;
  * always pick up and move widgets.
  */
 public class LauncherAppWidgetHost extends AppWidgetHost {
-    public LauncherAppWidgetHost(Context context, int hostId) {
-        super(context, hostId);
+
+    Launcher mLauncher;
+
+    public LauncherAppWidgetHost(Launcher launcher, int hostId) {
+        super(launcher, hostId);
+        mLauncher = launcher;
     }
 
     @Override
@@ -42,4 +46,11 @@ public class LauncherAppWidgetHost extends AppWidgetHost {
         super.stopListening();
         clearViews();
     }
+
+    @Override
+    protected void onProvidersChanged() {
+        // Once we get the message that widget packages are updated, we need to rebind items
+        // in AppsCustomize accordingly.
+        mLauncher.bindPackagesUpdated();
+    }
 }