1 files changed, 81 insertions, 0 deletions
diff --git a/chrome/app/keystone_glue.m b/chrome/app/keystone_glue.m
new file mode 100644
index 0000000..45ae1c2
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+++ b/chrome/app/keystone_glue.m
@@ -0,0 +1,81 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "keystone_glue.h"
+
+// Provide declarations of the Keystone registration bits needed here.  From
+// KSRegistration.h.
+typedef enum { kKSPathExistenceChecker } KSExistenceCheckerType;
+@interface KSRegistration : NSObject
++ (id)registrationWithProductID:(NSString*)productID;
+- (BOOL)registerWithVersion:(NSString*)version
+       existenceCheckerType:(KSExistenceCheckerType)xctype
+     existenceCheckerString:(NSString*)xc
+            serverURLString:(NSString*)serverURLString;
+- (void)setActive;
+@end
+
+@implementation KeystoneGlue
+
+// TODO(mmentovai): Determine if the app is writable, and don't register for
+// updates if not - but keep the periodic activity pings.
++ (void)registerWithKeystone {
+  // Figure out who we are.
+  NSBundle* mainBundle = [NSBundle mainBundle];
+  NSDictionary* infoDictionary = [mainBundle infoDictionary];
+  NSString* url = [infoDictionary objectForKey:@"KSUpdateURL"];
+  NSString* bundleIdentifier = [infoDictionary objectForKey:@"KSProductID"];
+  if (bundleIdentifier == nil) {
+    bundleIdentifier = [mainBundle bundleIdentifier];
+  }
+  // TODO(mmentovai): The svn version serves our purposes for now, but it will
+  // likely be replaced.  The key problem is that it does not monotonically
+  // increase for releases when considering svn branches and tags.  For the
+  // purposes of TestShell, though, which will likely only ever survive in
+  // auto-updatable form in builds straight from the trunk, this is fine.
+  NSString* version = [infoDictionary objectForKey:@"SVNRevision"];
+  if (!bundleIdentifier || !url || !version) {
+    // If parameters required for Keystone are missing, don't use it.
+    return;
+  }
+
+  // Load the KeystoneRegistration framework bundle.
+  NSString* ksrPath =
+      [[mainBundle privateFrameworksPath]
+          stringByAppendingPathComponent:@"KeystoneRegistration.framework"];
+  NSBundle* ksrBundle = [NSBundle bundleWithPath:ksrPath];
+  [ksrBundle load];
+
+  // Harness the KSRegistration class.
+  Class ksrClass = [ksrBundle classNamed:@"KSRegistration"];
+  KSRegistration* ksr = [ksrClass registrationWithProductID:bundleIdentifier];
+  if (!ksr) {
+    // Strictly speaking, this isn't necessary, because it's harmless to send
+    // messages to nil.  However, if there really isn't a
+    // KeystoneRegistration.framework or KSRegistration class, bailing out here
+    // avoids setting up the timer that will only be able to perform no-ops.
+    return;
+  }
+
+  // Keystone will asynchronously handle installation and registration as
+  // needed.
+  [ksr registerWithVersion:version
+      existenceCheckerType:kKSPathExistenceChecker
+    existenceCheckerString:[mainBundle bundlePath]
+           serverURLString:url];
+
+  // Set up hourly activity pings.
+  [NSTimer scheduledTimerWithTimeInterval:60 * 60  // One hour
+                                   target:self
+                                 selector:@selector(markActive:)
+                                 userInfo:ksr
+                                  repeats:YES];
+}
+
++ (void)markActive:(NSTimer*)timer {
+  KSRegistration* ksr = [timer userInfo];
+  [ksr setActive];
+}
+
+@end