Temporarily disable extensions and sync while a profile is locked - Profiles Approach

extensions/browser/extension_registry.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_BROWSER_EXTENSION_REGISTRY_H_
 #define EXTENSIONS_BROWSER_EXTENSION_REGISTRY_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 15 matching lines @@
 class Extension;
 class ExtensionRegistryObserver;
 
 // ExtensionRegistry holds sets of the installed extensions for a given
 // BrowserContext. An incognito browser context and its master browser context
 // share a single registry.
 class ExtensionRegistry : public KeyedService {
  public:
   // Flags to pass to GetExtensionById() to select which sets to look in.
   enum IncludeFlag {
-    NONE        = 0,
-    ENABLED     = 1 << 0,
-    DISABLED    = 1 << 1,
-    TERMINATED  = 1 << 2,
+    NONE = 0,
+    ENABLED = 1 << 0,
+    DISABLED = 1 << 1,
+    TERMINATED = 1 << 2,
     BLACKLISTED = 1 << 3,
-    EVERYTHING = (1 << 4) - 1,
+    BLOCKED = 1 << 4,
+    EVERYTHING = (1 << 5) - 1,
   };
 
   explicit ExtensionRegistry(content::BrowserContext* browser_context);
   ~ExtensionRegistry() override;
 
   // Returns the instance for the given |browser_context|.
   static ExtensionRegistry* Get(content::BrowserContext* browser_context);
 
   content::BrowserContext* browser_context() const { return browser_context_; }
 
   // NOTE: These sets are *eventually* mutually exclusive, but an extension can
   // appear in two sets for short periods of time.
   const ExtensionSet& enabled_extensions() const {
     return enabled_extensions_;
   }
   const ExtensionSet& disabled_extensions() const {
     return disabled_extensions_;
   }
   const ExtensionSet& terminated_extensions() const {
     return terminated_extensions_;
   }
   const ExtensionSet& blacklisted_extensions() const {
     return blacklisted_extensions_;
   }
+  const ExtensionSet& blocked_extensions() const { return blocked_extensions_; }
 
-  // Returns a set of all installed, disabled, blacklisted, and terminated
-  // extensions.
+  // Returns the set of all installed extensions, regardless of state (enabled,
+  // disabled, etc). Equivalent to GenerateInstalledExtensionSet(EVERYTHING).
   scoped_ptr<ExtensionSet> GenerateInstalledExtensionsSet() const;
 
+  // Returns a set of all extensions in the subsets specified by |include_mask|.
+  //  * enabled_extensions()     --> ExtensionRegistry::ENABLED
+  //  * disabled_extensions()    --> ExtensionRegistry::DISABLED
+  //  * terminated_extensions()  --> ExtensionRegistry::TERMINATED
+  //  * blacklisted_extensions() --> ExtensionRegistry::BLACKLISTED
+  //  * blocked_extensions()     --> ExtensionRegistry::BLOCKED
+  scoped_ptr<ExtensionSet> GenerateInstalledExtensionsSet(
+      int include_mask) const;
+
   // The usual observer interface.
   void AddObserver(ExtensionRegistryObserver* observer);
   void RemoveObserver(ExtensionRegistryObserver* observer);
 
   // Invokes the observer method OnExtensionLoaded(). The extension must be
   // enabled at the time of the call.
   void TriggerOnLoaded(const Extension* extension);
 
   // Invokes the observer method OnExtensionUnloaded(). The extension must not
   // be enabled at the time of the call.
@@ skipping 19 matching lines @@
 
   // Invokes the observer method OnExtensionUninstalled(). The extension must
   // not be any installed extension with |extension|'s ID.
   void TriggerOnUninstalled(const Extension* extension, UninstallReason reason);
 
   // Find an extension by ID using |include_mask| to pick the sets to search:
   //  * enabled_extensions()     --> ExtensionRegistry::ENABLED
   //  * disabled_extensions()    --> ExtensionRegistry::DISABLED
   //  * terminated_extensions()  --> ExtensionRegistry::TERMINATED
   //  * blacklisted_extensions() --> ExtensionRegistry::BLACKLISTED
+  //  * blocked_extensions()     --> ExtensionRegistry::BLOCKED
   // Returns NULL if the extension is not found in the selected sets.
   const Extension* GetExtensionById(const std::string& id,
                                     int include_mask) const;
 
   // Adds the specified extension to the enabled set. The registry becomes an
   // owner. Any previous extension with the same ID is removed.
   // Returns true if there is no previous extension.
   // NOTE: You probably want to use ExtensionService instead of calling this
   // method directly.
   bool AddEnabled(const scoped_refptr<const Extension>& extension);
 
   // Removes the specified extension from the enabled set.
   // Returns true if the set contained the specified extension.
   // NOTE: You probably want to use ExtensionService instead of calling this
   // method directly.
   bool RemoveEnabled(const std::string& id);
 
   // As above, but for the disabled set.
   bool AddDisabled(const scoped_refptr<const Extension>& extension);
   bool RemoveDisabled(const std::string& id);
 
   // As above, but for the terminated set.
   bool AddTerminated(const scoped_refptr<const Extension>& extension);
   bool RemoveTerminated(const std::string& id);
 
   // As above, but for the blacklisted set.
   bool AddBlacklisted(const scoped_refptr<const Extension>& extension);
   bool RemoveBlacklisted(const std::string& id);
 
+  // As above, but for the blocked set.
+  bool AddBlocked(const scoped_refptr<const Extension>& extension);
+  bool RemoveBlocked(const std::string& id);
+
   // Removes all extensions from all sets.
   void ClearAll();
 
   // Sets a callback to run when the disabled extension set is modified.
   // TODO(jamescook): This is too specific for a generic registry; find some
   // other way to do this.
   void SetDisabledModificationCallback(
       const ExtensionSet::ModificationCallback& callback);
 
   // KeyedService implementation:
   void Shutdown() override;
 
  private:
   // Extensions that are installed, enabled and not terminated.
   ExtensionSet enabled_extensions_;
 
   // Extensions that are installed and disabled.
   ExtensionSet disabled_extensions_;
 
   // Extensions that are installed and terminated.
   ExtensionSet terminated_extensions_;
 
   // Extensions that are installed and blacklisted. Generally these shouldn't be
   // considered as installed by the extension platform: we only keep them around
   // so that if extensions are blacklisted by mistake they can easily be
   // un-blacklisted.
   ExtensionSet blacklisted_extensions_;
 
+  // Extensions that are installed and blocked. Will never be loaded.
+  ExtensionSet blocked_extensions_;
+
   ObserverList<ExtensionRegistryObserver> observers_;
 
   content::BrowserContext* const browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionRegistry);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_REGISTRY_H_