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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef EXTENSIONS_BROWSER_WEB_UI_USER_SCRIPT_LOADER_H_ |
| 6 #define EXTENSIONS_BROWSER_WEB_UI_USER_SCRIPT_LOADER_H_ |
| 7 |
| 8 #include "base/memory/scoped_vector.h" |
| 9 #include "extensions/browser/guest_view/web_view/web_ui/web_ui_url_fetcher.h" |
| 10 #include "extensions/browser/user_script_loader.h" |
| 11 |
| 12 namespace content { |
| 13 class BrowserContext; |
| 14 } |
| 15 |
| 16 // UserScriptLoader for WebUI. |
| 17 class WebUIUserScriptLoader : public extensions::UserScriptLoader { |
| 18 public: |
| 19 WebUIUserScriptLoader(content::BrowserContext* browser_context, |
| 20 const HostID& host_id); |
| 21 ~WebUIUserScriptLoader() override; |
| 22 |
| 23 private: |
| 24 struct UserScriptRenderInfo; |
| 25 using UserScriptRenderInfoMap = std::map<int, UserScriptRenderInfo>; |
| 26 |
| 27 // UserScriptLoader: |
| 28 void AddScripts(const std::set<extensions::UserScript>& scripts, |
| 29 int render_process_id, |
| 30 int render_view_id) override; |
| 31 void LoadScripts(scoped_ptr<extensions::UserScriptList> user_scripts, |
| 32 const std::set<HostID>& changed_hosts, |
| 33 const std::set<int>& added_script_ids) override; |
| 34 |
| 35 // Called when every single URL fetch is done. It also traces whether all the |
| 36 // URL fetches are done. If yes, will call OnWebUIURLFetchComplete(). |
| 37 void OnSingleWebUIURLFetchComplete(extensions::UserScript::File* script_file, |
| 38 bool success, |
| 39 const std::string& data); |
| 40 |
| 41 // Called when the loads of the user scripts are done. |
| 42 void OnWebUIURLFetchComplete(); |
| 43 |
| 44 // Caches the render info of script from WebUI when AddScripts is called. |
| 45 // When starting to load the script, we look up this map to retrieve the |
| 46 // render info. It is used for the script from WebUI only, since the fetch |
| 47 // of script content requires the info of associated render. |
| 48 UserScriptRenderInfoMap script_render_info_map_; |
| 49 |
| 50 // The number of complete fetchs. |
| 51 size_t complete_fetchers_; |
| 52 |
| 53 // Caches |user_scripts_| from UserScriptLoader when loading. |
| 54 scoped_ptr<extensions::UserScriptList> user_scripts_cache_; |
| 55 |
| 56 ScopedVector<WebUIURLFetcher> fetchers_; |
| 57 |
| 58 base::WeakPtrFactory<WebUIUserScriptLoader> weak_factory_; |
| 59 |
| 60 DISALLOW_COPY_AND_ASSIGN(WebUIUserScriptLoader); |
| 61 }; |
| 62 |
| 63 #endif // EXTENSIONS_BROWSER_WEB_UI_USER_SCRIPT_LOADER_H_ |
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