From b4584b1b312fb41aec696cf50958258217de4592 Mon Sep 17 00:00:00 2001
From: Alex Zolotarev <deathbaba@gmail.com>
Date: Mon, 7 Mar 2011 22:19:13 +0000
Subject: [PATCH] [iPhone 4] Fixed viewport saving when app goes to background

---
 iphone/Maps/Classes/MapViewController.hpp | 1 +
 iphone/Maps/Classes/MapViewController.mm  | 6 ++++++
 iphone/Maps/Classes/MapsAppDelegate.mm    | 5 +++++
 3 files changed, 12 insertions(+)

diff --git a/iphone/Maps/Classes/MapViewController.hpp b/iphone/Maps/Classes/MapViewController.hpp
index 9ba43d7bda..6a0f779c5b 100644
--- a/iphone/Maps/Classes/MapViewController.hpp
+++ b/iphone/Maps/Classes/MapViewController.hpp
@@ -42,5 +42,6 @@ withConfidenceRadius: (double) confidenceRadius
 
 // called when app is terminated by system
 - (void) OnTerminate;
+- (void) OnEnterBackground;
 
 @end
diff --git a/iphone/Maps/Classes/MapViewController.mm b/iphone/Maps/Classes/MapViewController.mm
index 3d7708255f..e31bb499e7 100644
--- a/iphone/Maps/Classes/MapViewController.mm
+++ b/iphone/Maps/Classes/MapViewController.mm
@@ -299,6 +299,11 @@ NSInteger compareAddress(UITouch * l, UITouch * r, void * context)
 }
 
 - (void) OnTerminate
+{
+	[self OnEnterBackground];
+}
+
+- (void) OnEnterBackground
 {
 	if (m_framework)
   {	// save world rect for next launch
@@ -306,4 +311,5 @@ NSInteger compareAddress(UITouch * l, UITouch * r, void * context)
   }
 }
 
+
 @end
diff --git a/iphone/Maps/Classes/MapsAppDelegate.mm b/iphone/Maps/Classes/MapsAppDelegate.mm
index d869497a42..08318520c1 100644
--- a/iphone/Maps/Classes/MapsAppDelegate.mm
+++ b/iphone/Maps/Classes/MapsAppDelegate.mm
@@ -12,6 +12,11 @@
 	[mapViewController OnTerminate];
 }
 
+- (void) applicationDidEnterBackground: (UIApplication *) application
+{
+	[mapViewController OnEnterBackground];
+}
+
 - (void) applicationDidFinishLaunching: (UIApplication *) application
 {
   // Add the tab bar controller's current view as a subview of the window