| // Copyright 2015 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_WEB_UI_USER_SCRIPT_LOADER_H_ |
| #define EXTENSIONS_BROWSER_WEB_UI_USER_SCRIPT_LOADER_H_ |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "extensions/browser/user_script_loader.h" |
| |
| class WebUIURLFetcher; |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| // UserScriptLoader for WebUI. |
| class WebUIUserScriptLoader : public extensions::UserScriptLoader { |
| public: |
| WebUIUserScriptLoader(content::BrowserContext* browser_context, |
| const HostID& host_id); |
| ~WebUIUserScriptLoader() override; |
| |
| private: |
| struct UserScriptRenderInfo; |
| using UserScriptRenderInfoMap = std::map<int, UserScriptRenderInfo>; |
| |
| // UserScriptLoader: |
| void AddScripts(std::unique_ptr<extensions::UserScriptList> scripts, |
| int render_process_id, |
| int render_frame_id) override; |
| void LoadScripts(std::unique_ptr<extensions::UserScriptList> user_scripts, |
| const std::set<HostID>& changed_hosts, |
| const std::set<int>& added_script_ids, |
| LoadScriptsCallback callback) override; |
| |
| // Called at the end of each fetch, tracking whether all fetches are done. |
| void OnSingleWebUIURLFetchComplete(extensions::UserScript::File* script_file, |
| bool success, |
| std::unique_ptr<std::string> data); |
| |
| // Called when the loads of the user scripts are done. |
| void OnWebUIURLFetchComplete(); |
| |
| // Creates WebUiURLFetchers for the given |script_files|. |
| void CreateWebUIURLFetchers( |
| const extensions::UserScript::FileList& script_files, |
| int render_process_id, |
| int render_frame_id); |
| |
| // Caches the render info of script from WebUI when AddScripts is called. |
| // When starting to load the script, we look up this map to retrieve the |
| // render info. It is used for the script from WebUI only, since the fetch |
| // of script content requires the info of associated render. |
| UserScriptRenderInfoMap script_render_info_map_; |
| |
| // The number of complete fetchs. |
| size_t complete_fetchers_; |
| |
| // Caches |user_scripts_| from UserScriptLoader when loading. |
| std::unique_ptr<extensions::UserScriptList> user_scripts_cache_; |
| |
| LoadScriptsCallback scripts_loaded_callback_; |
| |
| std::vector<std::unique_ptr<WebUIURLFetcher>> fetchers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebUIUserScriptLoader); |
| }; |
| |
| #endif // EXTENSIONS_BROWSER_WEB_UI_USER_SCRIPT_LOADER_H_ |