| // Copyright 2014 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_SHARED_USER_SCRIPT_MASTER_H_ |
| #define EXTENSIONS_BROWSER_SHARED_USER_SCRIPT_MASTER_H_ |
| |
| #include <memory> |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "extensions/browser/extension_registry_observer.h" |
| #include "extensions/browser/extension_user_script_loader.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/user_script.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| namespace extensions { |
| |
| class ExtensionRegistry; |
| |
| // Manages statically-defined user scripts for all extensions. Owns a |
| // UserScriptLoader to which file loading and shared memory management |
| // operations are delegated. |
| class SharedUserScriptMaster : public ExtensionRegistryObserver { |
| public: |
| explicit SharedUserScriptMaster(content::BrowserContext* browser_context); |
| ~SharedUserScriptMaster() override; |
| |
| UserScriptLoader* script_loader() { return &loader_; } |
| |
| private: |
| // ExtensionRegistryObserver implementation. |
| void OnExtensionLoaded(content::BrowserContext* browser_context, |
| const Extension* extension) override; |
| void OnExtensionUnloaded(content::BrowserContext* browser_context, |
| const Extension* extension, |
| UnloadedExtensionReason reason) override; |
| |
| // Gets an extension's scripts' metadata; i.e., gets a list of UserScript |
| // objects that contains script info, but not the contents of the scripts. |
| std::unique_ptr<UserScriptList> GetScriptsMetadata( |
| const Extension* extension); |
| |
| // Script loader that handles loading contents of scripts into shared memory |
| // and notifying renderers of scripts in shared memory. |
| ExtensionUserScriptLoader loader_; |
| |
| content::BrowserContext* browser_context_; |
| |
| ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> |
| extension_registry_observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SharedUserScriptMaster); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_SHARED_USER_SCRIPT_MASTER_H_ |