From 7f9441c33da07b215efcb51668434b3957559fd3 Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Tue, 20 Oct 2009 16:32:22 -0700
Subject: Changes to Identity interface to allow for multiple Identity
 providers.  What I've tested to this point, is you can install a new
 provider, switch to it, login as administrator, uninstall the default user
 module, reinstall the user module, switch back to the user module and login.

---
 modules/gallery/libraries/Identity.php         | 37 +++++++++++++++++++++-----
 modules/gallery/libraries/drivers/Identity.php | 10 +++++++
 2 files changed, 41 insertions(+), 6 deletions(-)

(limited to 'modules/gallery/libraries')

diff --git a/modules/gallery/libraries/Identity.php b/modules/gallery/libraries/Identity.php
index e77fd2d2..3fcb6756 100644
--- a/modules/gallery/libraries/Identity.php
+++ b/modules/gallery/libraries/Identity.php
@@ -39,13 +39,24 @@ class Identity_Core {
    * @param   string  configuration
    * @return  Identity_Core
    */
-  static function & instance($config="default") {
-   if (!isset(Identity::$instance)) {
+  static function & instance() {
+   if (!isset(self::$instance)) {
       // Create a new instance
-      Identity::$instance = new Identity($config);
+      self::$instance = new Identity();
     }
 
-    return Identity::$instance;
+    return self::$instance;
+  }
+
+  /**
+   * Returns a singleton instance of Identity.
+   * There can only be one Identity driver configured at a given point
+   *
+   * @param   string  configuration
+   * @return  Identity_Core
+   */
+  static function reset() {
+    self::$instance = new Identity();
   }
 
   /**
@@ -83,11 +94,11 @@ class Identity_Core {
   }
 
   /**
-   * Return a list of installed and activated Identity Drivers.
+   * Return a list of installed Identity Drivers.
    *
    * @return boolean true if the driver supports updates; false if read only
    */
-  static function active() {
+  static function providers() {
     if (empty(self::$active)) {
       $drivers = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS);
       foreach (module::active() as $module) {
@@ -102,6 +113,20 @@ class Identity_Core {
     return self::$active;
   }
 
+  /**
+   * @see Identity_Driver::activate.
+   */
+  static function activate() {
+    self::instance()->driver->activate();
+  }
+
+  /**
+   * @see Identity_Driver::deactivate.
+   */
+  static function deactivate() {
+    self::instance()->driver->deactivate();
+  }
+
   /**
    * Determine if if the current driver supports updates.
    *
diff --git a/modules/gallery/libraries/drivers/Identity.php b/modules/gallery/libraries/drivers/Identity.php
index 6ab001cb..2fc4d349 100644
--- a/modules/gallery/libraries/drivers/Identity.php
+++ b/modules/gallery/libraries/drivers/Identity.php
@@ -18,6 +18,16 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 interface Identity_Driver {
+  /**
+   * Initialize the provider so it is ready to use
+   */
+  public function activate();
+
+  /**
+   * Cleanup up this provider so it is unavailable for use and won't conflict with the current driver
+   */
+  public function deactivate();
+
   /**
    * Return the guest user.
    *
-- 
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