From 40f8211e6849c4c7948d7fc19127f29f0cebbeb9 Mon Sep 17 00:00:00 2001
From: Winson Chung <winsonc@google.com>
Date: Thu, 8 Nov 2012 11:54:55 -0800
Subject: [PATCH] Preventing more than five widgets from being added in the
 carousel (issue 7502935)

Change-Id: I26e6e154992e56b128d541578ffd3891776a3f7a
---
 .../internal/policy/impl/keyguard/KeyguardHostView.java    | 7 +++++++
 .../internal/policy/impl/keyguard/KeyguardWidgetPager.java | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
index 964537c6941a6..de19bd57dcf6f 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
@@ -323,6 +323,13 @@ public class KeyguardHostView extends KeyguardViewBase {
             KeyguardHostView.this.onUserActivityTimeoutChanged();
         }
 
+        @Override
+        public void onAddView(View v) {
+            if (numWidgets() >= MAX_WIDGETS) {
+                setAddWidgetEnabled(false);
+            }
+        };
+
         @Override
         public void onRemoveView(View v) {
             if (numWidgets() < MAX_WIDGETS) {
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
index 24eebffd1af42..25e278182f441 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
@@ -236,6 +236,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
     public interface Callbacks {
         public void userActivity();
         public void onUserActivityTimeoutChanged();
+        public void onAddView(View v);
         public void onRemoveView(View v);
     }
 
@@ -262,6 +263,9 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
         final int[] pagesRange = new int[mTempVisiblePagesRange.length];
         getVisiblePages(pagesRange);
         boundByReorderablePages(true, pagesRange);
+        if (mCallbacks != null) {
+            mCallbacks.onAddView(v);
+        }
         // Subtract from the index to take into account pages before the reorderable
         // pages (e.g. the "add widget" page)
         mBackgroundWorkerHandler.post(new Runnable() {