From 85957d57f4661c0df8fe7e022728ffceafb2faf8 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Tue, 1 Nov 2011 19:32:01 +0100
Subject: Use timer to reload list of files when the library view is open.

We can't use applicationDidBecomeActive in iOS 5 to trigger a reload,
since the file sync can happen in the background.
---
 ios/main.m | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

(limited to 'ios')

diff --git a/ios/main.m b/ios/main.m
index 6f5fc97e..72cbaa42 100644
--- a/ios/main.m
+++ b/ios/main.m
@@ -14,11 +14,11 @@
 static dispatch_queue_t queue;
 static fz_glyph_cache *glyphcache = NULL;
 static UIImage *loadingImage = nil;
-static UIBarButtonItem *flexibleSpace = nil;
 static NSString *docdir = nil;
 
 @interface MuLibraryController : UITableViewController
 {
+	NSTimer *timer;
 	NSArray *files;
 }
 - (void) openDocument: (NSString*)filename;
@@ -192,6 +192,23 @@ static UIImage *renderPage(pdf_xref *xref, int number, float width, float height
 
 @implementation MuLibraryController
 
+- (void) viewWillAppear: (BOOL)animated
+{
+	[self reload];
+
+	timer = [NSTimer timerWithTimeInterval: 1
+		target: self selector: @selector(reload) userInfo: nil
+		repeats: YES];
+
+	[[NSRunLoop currentRunLoop] addTimer: timer forMode: NSDefaultRunLoopMode];
+}
+
+- (void) viewWillDisappear: (BOOL)animated
+{
+	[timer invalidate];
+	timer = nil;
+}
+
 - (void) reload
 {
 	[self setTitle: @"MuPDF"];
@@ -754,10 +771,6 @@ static UIImage *renderPage(pdf_xref *xref, int number, float width, float height
 
 	loadingImage = [[UIImage imageNamed: @"loading.png"] retain];
 
-	flexibleSpace = [[UIBarButtonItem alloc]
-		initWithBarButtonSystemItem: UIBarButtonSystemItemFlexibleSpace
-		target: nil action: nil];
-
 	library = [[MuLibraryController alloc] initWithStyle: UITableViewStylePlain];
 
 	navigator = [[UINavigationController alloc] initWithRootViewController: library];
@@ -791,7 +804,6 @@ static UIImage *renderPage(pdf_xref *xref, int number, float width, float height
 - (void)applicationDidBecomeActive:(UIApplication *)application
 {
 	printf("applicationDidBecomeActive!\n");
-	[library reload];
 }
 
 - (void)applicationWillTerminate:(UIApplication *)application
-- 
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