execute_code_function.h revision a93a17c8d99d686bd4a1511e5504e5e6cc9fcadf
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/extension_function.h" 9#include "chrome/common/extensions/api/tabs.h" 10 11namespace extensions { 12 13class ScriptExecutor; 14 15// Base class for javascript code injection. 16// This is used by both chrome.webview.executeScript and 17// chrome.tabs.executeScript. 18class ExecuteCodeFunction : public AsyncExtensionFunction { 19 public: 20 ExecuteCodeFunction(); 21 22 protected: 23 virtual ~ExecuteCodeFunction(); 24 25 // ExtensionFunction implementation. 26 virtual bool HasPermission() OVERRIDE; 27 virtual bool RunImpl() OVERRIDE; 28 29 // Initialize |details_| if it hasn't already been. 30 virtual bool Init() = 0; 31 virtual bool ShouldInsertCSS() const = 0; 32 virtual bool CanExecuteScriptOnPage() = 0; 33 virtual ScriptExecutor* GetScriptExecutor() = 0; 34 virtual bool IsWebView() const = 0; 35 36 virtual void OnExecuteCodeFinished(const std::string& error, 37 int32 on_page_id, 38 const GURL& on_url, 39 const ListValue& result); 40 41 // The injection details. 42 scoped_ptr<api::tabs::InjectDetails> details_; 43 44 private: 45 // Called when contents from the file whose path is specified in JSON 46 // arguments has been loaded. 47 void DidLoadFile(bool success, const std::string& data); 48 49 // Runs on FILE thread. Loads message bundles for the extension and 50 // localizes the CSS data. Calls back DidLoadAndLocalizeFile on the UI thread. 51 void LocalizeCSS( 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 69} // namespace extensions 70 71#endif // CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_ 72 73