Base implementation of WebDriver for Chrome. This checkin includes...

chrome/test/webdriver/commands/webdriver_command.h

+// Copyright (c) 2010 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_TEST_WEBDRIVER_COMMANDS_WEBDRIVER_COMMAND_H_
+#define CHROME_TEST_WEBDRIVER_COMMANDS_WEBDRIVER_COMMAND_H_
+
+#include <string>
+#include <vector>
+
+#include "chrome/test/webdriver/session_manager.h"
+#include "chrome/test/webdriver/commands/command.h"
+
+namespace webdriver {
+
+// All URLs that are found in the document:
+// http://code.google.com/p/selenium/wiki/JsonWireProtocol
+// and are to be supported for all browsers and platforms should inhert
+// this class.  For cases which do not invlove interaction with the
+// browser, such a transfering a file, inhert from the Command class
+// directly.
+class WebDriverCommand : public Command {
+ public:
+  inline WebDriverCommand(const std::vector<std::string> path_segments,
+                          const DictionaryValue* const parameters)
+      : Command(path_segments, parameters), session_(NULL) {}
+  virtual ~WebDriverCommand() {}
+
+  // Initializes this webdriver command by fetching the command session and,
+  // if necessary, verifying the session has a valid TabProxy.
+  virtual bool Init(Response* const response);
+
+ protected:
+  static const std::string kElementDictionaryKey;
+
+  // Tests if |dictionary| contains the kElementDictionaryKey, which
+  // indicates that it represents an element.
+  static bool IsElementIdDictionary(const DictionaryValue* const dictionary);
+
+  // Returns the |element_id| as a DictionaryValue that conforms with
+  // WebDriver's wire protocol. On success, returns a dynamically allocated
+  // object that the caller is responsible for deleting. Returns NULL on
+  // failure.
+  DictionaryValue* GetElementIdAsDictionaryValue(const std::string& element_id);
+
+  // Returns whether this command requires a valid TabProxy upon
+  // initialization.
+  virtual bool RequiresValidTab() { return true; }
+
+  // Returns whether this command has a valid TabProxy. Returns true on
+  // success. Otherwise, returns false and populates the |resposne| with the
+  // necessary information to return to the client.
+  bool VerifyTabIsValid(Response* response);
+
+  Session* session_;
+  scoped_refptr<TabProxy> tab_;
+  DISALLOW_COPY_AND_ASSIGN(WebDriverCommand);
+};
+}  // namespace webdriver
+#endif  // CHROME_TEST_WEBDRIVER_COMMANDS_WEBDRIVER_COMMAND_H_
+