Policy: plugins disabled by policy should honor policy changes without Chrome relaunch.

BUG=54620
TEST=PrefChangeRegistrarTest.*

Review URL: http://codereview.chromium.org/3316007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@59094 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 53 insertions, 16 deletions

diff --git a/chrome/browser/plugin_updater.h b/chrome/browser/plugin_updater.h
index b847162..d046d46 100644
--- a/chrome/browser/plugin_updater.h
+++ b/chrome/browser/plugin_updater.h
@@ -6,36 +6,73 @@
 #define CHROME_BROWSER_PLUGIN_UPDATER_H_
 #pragma once
 
+#include  <vector>
+
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/linked_ptr.h"
 #include "base/singleton.h"
+#include "chrome/common/notification_observer.h"
 
+class DictionaryValue;
 class ListValue;
+class NotificationDetails;
+class NotificationSource;
+class PluginGroup;
 class Profile;
+struct WebPluginInfo;
+
+class PluginUpdater : public NotificationObserver {
+ public:
+  // Get a list of all the Plugin groups.
+  ListValue* GetPluginGroupsData();
+
+  // Enable or disable a plugin group.
+  void EnablePluginGroup(bool enable, const string16& group_name);
+
+  // Enable or disable a specific plugin file.
+  void EnablePluginFile(bool enable, const FilePath::StringType& file_path);
+
+  // Disable all plugin groups as defined by the user's preference file.
+  void DisablePluginGroupsFromPrefs(Profile* profile);
+
+  // Disable all plugins groups that are known to be outdated, according to
+  // the information hardcoded in PluginGroup, to make sure that they can't
+  // be loaded on a web page and instead show a UI to update to the latest
+  // version.
+  void DisableOutdatedPluginGroups();
+
+  // Write the enable/disable status to the user's preference file.
+  void UpdatePreferences(Profile* profile);
+
+  // NotificationObserver method overrides
+  void Observe(NotificationType type,
+               const NotificationSource& source,
+               const NotificationDetails& details);
 
-namespace plugin_updater {
+  static PluginUpdater* GetPluginUpdater();
 
-// Get a list of all the Plugin groups.
-ListValue* GetPluginGroupsData();
+ private:
+  PluginUpdater();
+  virtual ~PluginUpdater() {}
 
-// Enable or disable a plugin group.
-void EnablePluginGroup(bool enable, const string16& group_name);
+  // Note: if you change this to false from true, you must update
+  // kPluginsEnabledInternalPDF to be a new name (i.e. add 2, 3, 4...) at end.
+  bool enable_internal_pdf_;
 
-// Enable or disable a specific plugin file.
-void EnablePluginFile(bool enable, const FilePath::StringType& file_path);
+  DictionaryValue* CreatePluginFileSummary(const WebPluginInfo& plugin);
 
-// Disable all plugin groups as defined by the user's preference file.
-void DisablePluginGroupsFromPrefs(Profile* profile);
+  // Convert to a List of Groups
+  void GetPluginGroups(std::vector<linked_ptr<PluginGroup> >* plugin_groups);
 
-// Disable all plugins groups that are known to be outdated, according to the
-// information hardcoded in PluginGroup, to make sure that they can't be loaded
-// on a web page and instead show a UI to update to the latest version.
-void DisableOutdatedPluginGroups();
+  // Force plugins to be disabled due to policy. |plugins| contains
+  // the list of StringValues of the names of the policy-disabled plugins.
+  void DisablePluginsFromPolicy(const ListValue* plugin_names);
 
-// Write the enable/disable status to the user's preference file.
-void UpdatePreferences(Profile* profile);
+  // Needed to allow singleton instantiation using private constructor.
+  friend struct DefaultSingletonTraits<PluginUpdater>;
 
-}  // namespace plugin_updater
+  DISALLOW_COPY_AND_ASSIGN(PluginUpdater);
+};
 
 #endif  // CHROME_BROWSER_PLUGIN_UPDATER_H_