| // Licensed to the Software Freedom Conservancy (SFC) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The SFC licenses this file |
| // to you under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "FindElementCommandHandler.h" |
| #include <ctime> |
| #include "errorcodes.h" |
| #include "../Browser.h" |
| #include "../IECommandExecutor.h" |
| #include "../WebDriverConstants.h" |
| |
| namespace webdriver { |
| |
| FindElementCommandHandler::FindElementCommandHandler(void) { |
| } |
| |
| FindElementCommandHandler::~FindElementCommandHandler(void) { |
| } |
| |
| void FindElementCommandHandler::ExecuteInternal( |
| const IECommandExecutor& executor, |
| const ParametersMap& command_parameters, |
| Response* response) { |
| ParametersMap::const_iterator using_parameter_iterator = command_parameters.find("using"); |
| ParametersMap::const_iterator value_parameter_iterator = command_parameters.find("value"); |
| if (using_parameter_iterator == command_parameters.end()) { |
| response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "Missing parameter: using"); |
| return; |
| } |
| if (!using_parameter_iterator->second.isString()) { |
| response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "using parameter must be a string"); |
| return; |
| } |
| if (value_parameter_iterator == command_parameters.end()) { |
| response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "Missing parameter: value"); |
| return; |
| } |
| if (!value_parameter_iterator->second.isString()) { |
| response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "value parameter must be a string"); |
| return; |
| } |
| |
| std::string mechanism = using_parameter_iterator->second.asString(); |
| std::string value = value_parameter_iterator->second.asString(); |
| |
| if (mechanism != "css selector" && |
| mechanism != "tag name" && |
| mechanism != "link text" && |
| mechanism != "partial link text" && |
| mechanism != "xpath") { |
| response->SetErrorResponse(ERROR_INVALID_ARGUMENT, "using parameter value '" + mechanism + "' is not a valid value"); |
| return; |
| } |
| |
| BrowserHandle browser_wrapper; |
| int status_code = executor.GetCurrentBrowser(&browser_wrapper); |
| if (status_code != WD_SUCCESS) { |
| response->SetErrorResponse(status_code, "Currently focused window has been closed."); |
| return; |
| } |
| |
| int timeout = static_cast<int>(executor.implicit_wait_timeout()); |
| clock_t end = clock() + (timeout / 1000 * CLOCKS_PER_SEC); |
| if (timeout > 0 && timeout < 1000) { |
| end += 1 * CLOCKS_PER_SEC; |
| } |
| |
| status_code = WD_SUCCESS; |
| Json::Value found_element; |
| do { |
| status_code = executor.LocateElement(ElementHandle(), |
| mechanism, |
| value, |
| &found_element); |
| if (status_code == WD_SUCCESS) { |
| response->SetSuccessResponse(found_element); |
| return; |
| } |
| if (status_code == ENOSUCHWINDOW) { |
| response->SetErrorResponse(ERROR_NO_SUCH_WINDOW, "Unable to find element on closed window"); |
| return; |
| } |
| if (status_code != ENOSUCHELEMENT) { |
| response->SetErrorResponse(status_code, found_element.asString()); |
| return; |
| } |
| |
| // Release the thread so that the browser doesn't starve. |
| ::Sleep(FIND_ELEMENT_WAIT_TIME_IN_MILLISECONDS); |
| } while (clock() < end); |
| |
| response->SetErrorResponse(ERROR_NO_SUCH_ELEMENT, |
| "Unable to find element with " + mechanism + " == " + value); |
| return; |
| } |
| |
| } // namespace webdriver |