Implement script API:executeScript

chrome/browser/extensions/execute_code_in_tab_function.h

+// Copyright (c) 2009 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 CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__
+#define CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__
+
+#include <string>
+#include <vector>
+
+#include "base/file_path.h"
+#include "chrome/browser/extensions/extension_function.h"
+#include "chrome/common/notification_service.h"
+#include "chrome/common/notification_registrar.h"
+
+class MessageLoop;
+
+// Implement API call tabs.executeScript and tabs.insertCSS.
+class ExecuteCodeInTabFunction : public AsyncExtensionFunction,
+                                 public NotificationObserver {
+ public:
+  ExecuteCodeInTabFunction() : execute_tab_id_(-1), ui_loop_(NULL) {}
+
+ private:
+  virtual bool RunImpl();
+
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  // Load contents from file whose path is specified in JSON arguments. Run
+  // in file thread.
+  void LoadFile();
+
+  // Run in UI thread.
+  void Execute();
+
+  NotificationRegistrar registrar_;
+
+  // Id of tab which executes code.
+  int execute_tab_id_;
+
+  MessageLoop* ui_loop_;
+
+  // Contain path of file which is specified in JSON arguments.
+  FilePath file_path_;
+
+  // Contain code to be executed.
+  std::string code_string_;
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXECUTE_CODE_IN_TAB_FUNCTION_H__