| // 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_DECLARATIVE_USER_SCRIPT_SET_H_ |
| #define EXTENSIONS_BROWSER_DECLARATIVE_USER_SCRIPT_SET_H_ |
| |
| #include <memory> |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "extensions/common/host_id.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| namespace extensions { |
| |
| class UserScript; |
| class UserScriptLoader; |
| |
| struct UserScriptIDPair; |
| |
| // Manages declarative user scripts for a single extension. Owns a |
| // UserScriptLoader to which file loading and shared memory management |
| // operations are delegated, and provides an interface for adding, removing, |
| // and clearing scripts. |
| class DeclarativeUserScriptSet { |
| public: |
| DeclarativeUserScriptSet(content::BrowserContext* browser_context, |
| const HostID& host_id); |
| ~DeclarativeUserScriptSet(); |
| |
| // Adds script to shared memory region. This may not happen right away if a |
| // script load is in progress. |
| void AddScript(std::unique_ptr<UserScript> script); |
| |
| // Adds a set of scripts to shared meomory region. The fetch of the content |
| // of the script on WebUI requires to start URL request to the associated |
| // render specified by |render_process_id, render_frame_id|. |
| // This may not happen right away if a script load is in progress. |
| void AddScripts( |
| std::unique_ptr<std::vector<std::unique_ptr<UserScript>>> scripts, |
| int render_process_id, |
| int render_frame_id); |
| |
| // Removes script from shared memory region. This may not happen right away if |
| // a script load is in progress. |
| void RemoveScript(const UserScriptIDPair& script); |
| |
| // Removes a set of scripts from shared memory region. This may not happen |
| // right away if a script load is in progress. |
| void RemoveScripts(const std::set<UserScriptIDPair>& scripts); |
| |
| // Removes all scripts from shared memory region. This may not happen right |
| // away if a script load is in progress. |
| void ClearScripts(); |
| |
| const HostID& host_id() const { return host_id_; } |
| |
| UserScriptLoader* loader() { return loader_.get(); } |
| |
| private: |
| // ID of host that owns scripts that this component manages. |
| HostID host_id_; |
| |
| // Script loader that handles loading contents of scripts into shared memory |
| // and notifying renderers of script updates. |
| std::unique_ptr<UserScriptLoader> loader_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DeclarativeUserScriptSet); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_DECLARATIVE_USER_SCRIPT_SET_H_ |