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 CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_ 7 8 #include "chrome/browser/extensions/chrome_extension_function.h" 9 #include "chrome/browser/extensions/script_executor.h" 10 #include "chrome/common/extensions/api/tabs.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 ChromeAsyncExtensionFunction { 18 public: 19 ExecuteCodeFunction(); 20 21 protected: 22 virtual ~ExecuteCodeFunction(); 23 24 // ExtensionFunction implementation. 25 virtual bool HasPermission() OVERRIDE; 26 virtual bool RunImpl() 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 35 virtual void OnExecuteCodeFinished(const std::string& error, 36 int32 on_page_id, 37 const GURL& on_url, 38 const base::ListValue& result); 39 40 // The injection details. 41 scoped_ptr<api::tabs::InjectDetails> details_; 42 43 private: 44 // Called when contents from the file whose path is specified in JSON 45 // arguments has been loaded. 46 void DidLoadFile(bool success, const std::string& data); 47 48 // Runs on FILE thread. Loads message bundles for the extension and 49 // localizes the CSS data. Calls back DidLoadAndLocalizeFile on the UI thread. 50 void GetFileURLAndLocalizeCSS( 51 ScriptExecutor::ScriptType script_type, 52 const std::string& data, 53 const std::string& extension_id, 54 const base::FilePath& extension_path, 55 const std::string& extension_default_locale); 56 57 // Called when contents from the loaded file have been localized. 58 void DidLoadAndLocalizeFile(bool success, const std::string& data); 59 60 // Run in UI thread. Code string contains the code to be executed. Returns 61 // true on success. If true is returned, this does an AddRef. 62 bool Execute(const std::string& code_string); 63 64 // Contains extension resource built from path of file which is 65 // specified in JSON arguments. 66 ExtensionResource resource_; 67 68 // The URL of the file being injected into the page. 69 GURL file_url_; 70 }; 71 72 } // namespace extensions 73 74 #endif // CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_ 75 76
