1 // Copyright (c) 2013 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_API_EXECUTE_CODE_FUNCTION_H_ 6 #define EXTENSIONS_BROWSER_API_EXECUTE_CODE_FUNCTION_H_ 7 8 #include "extensions/browser/extension_function.h" 9 #include "extensions/browser/script_executor.h" 10 #include "extensions/common/api/extension_types.h" 11 12 namespace extensions { 13 14 // Base class for javascript code injection. 15 // This is used by both chrome.webview.executeScript and 16 // chrome.tabs.executeScript. 17 class ExecuteCodeFunction : public AsyncExtensionFunction { 18 public: 19 ExecuteCodeFunction(); 20 21 protected: 22 virtual ~ExecuteCodeFunction(); 23 24 // ExtensionFunction implementation. 25 virtual bool HasPermission() OVERRIDE; 26 virtual bool RunAsync() OVERRIDE; 27 28 // Initialize |details_| if it hasn't already been. 29 virtual bool Init() = 0; 30 virtual bool ShouldInsertCSS() const = 0; 31 virtual bool CanExecuteScriptOnPage() = 0; 32 virtual ScriptExecutor* GetScriptExecutor() = 0; 33 virtual bool IsWebView() const = 0; 34 virtual const GURL& GetWebViewSrc() const = 0; 35 virtual void OnExecuteCodeFinished(const std::string& error, 36 const GURL& on_url, 37 const base::ListValue& result); 38 39 // The injection details. 40 scoped_ptr<core_api::extension_types::InjectDetails> details_; 41 42 private: 43 // Called when contents from the file whose path is specified in JSON 44 // arguments has been loaded. 45 void DidLoadFile(bool success, const std::string& data); 46 47 // Runs on FILE thread. Loads message bundles for the extension and 48 // localizes the CSS data. Calls back DidLoadAndLocalizeFile on the UI thread. 49 void GetFileURLAndLocalizeCSS(ScriptExecutor::ScriptType script_type, 50 const std::string& data, 51 const std::string& extension_id, 52 const base::FilePath& extension_path, 53 const std::string& extension_default_locale); 54 55 // Called when contents from the loaded file have been localized. 56 void DidLoadAndLocalizeFile(bool success, const std::string& data); 57 58 // Run in UI thread. Code string contains the code to be executed. Returns 59 // true on success. If true is returned, this does an AddRef. 60 bool Execute(const std::string& code_string); 61 62 // Contains extension resource built from path of file which is 63 // specified in JSON arguments. 64 ExtensionResource resource_; 65 66 // The URL of the file being injected into the page. 67 GURL file_url_; 68 }; 69 70 } // namespace extensions 71 72 #endif // EXTENSIONS_BROWSER_API_EXECUTE_CODE_FUNCTION_H_ 73
