Implement sendKeys webdriver API in ChromeDriver.

chrome/test/webdriver/commands/webelement_commands.cc

Index: chrome/test/webdriver/commands/webelement_commands.cc
===================================================================
--- chrome/test/webdriver/commands/webelement_commands.cc	(revision 73909)
+++ chrome/test/webdriver/commands/webelement_commands.cc	(working copy)
@@ -2,20 +2,22 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/test/webdriver/commands/webelement_command.h"
+#include "chrome/test/webdriver/commands/webelement_commands.h"
 
-#include "third_party/webdriver/atoms.h"
+#include "base/scoped_ptr.h"
+#include "base/third_party/icu/icu_utf.h"
+#include "base/values.h"
+#include "chrome/test/webdriver/commands/response.h"
 #include "chrome/test/webdriver/error_codes.h"
+#include "chrome/test/webdriver/session.h"
 #include "chrome/test/webdriver/utility_functions.h"
+#include "third_party/webdriver/atoms.h"
 
 namespace webdriver {
 
 bool WebElementCommand::Init(Response* const response) {
-  if (WebDriverCommand::Init(response)) {
-    SET_WEBDRIVER_ERROR(response, "Failure on Init for web element command",
-                        kInternalServerError);
+  if (!WebDriverCommand::Init(response))
     return false;
-  }
 
   // There should be at least 5 segments to match
   // "/session/$session/element/$id"
@@ -82,4 +84,97 @@
          dict->GetInteger("height", height);
 }
 
+void ElementValueCommand::ExecuteGet(Response* const response) {
+  Value* unscoped_result = NULL;
+  ListValue args;
+  std::string script = "return arguments[0]['value']";
+  args.Append(GetElementIdAsDictionaryValue(element_id));
+  ErrorCode code =
+      session_->ExecuteScript(script, &args, &unscoped_result);
+  scoped_ptr<Value> result(unscoped_result);
+  if (code != kSuccess) {
+    SET_WEBDRIVER_ERROR(response, "Failed to execute script", code);
+    return;
+  }
+  if (!result->IsType(Value::TYPE_STRING) &&
+      !result->IsType(Value::TYPE_NULL)) {
+    SET_WEBDRIVER_ERROR(response,
+                        "Result is not string or null type",
+                        kInternalServerError);
+    return;
+  }
+  response->set_status(kSuccess);
+  response->set_value(result.release());
+}
+
+void ElementValueCommand::ExecutePost(Response* const response) {
+  ListValue* key_list;
+  if (!GetListParameter("value", &key_list)) {
+    SET_WEBDRIVER_ERROR(response,
+                        "Missing or invalid 'value' parameter",
+                        kBadRequest);
+    return;
+  }
+  // Flatten the given array of strings into one.
+  string16 keys;
+  for (size_t i = 0; i < key_list->GetSize(); ++i) {
+    string16 keys_list_part;
+    key_list->GetString(i, &keys_list_part);
+    for (size_t j = 0; j < keys_list_part.size(); ++j) {
+      if (CBU16_IS_SURROGATE(keys_list_part[j])) {
+        SET_WEBDRIVER_ERROR(
+            response,
+            "ChromeDriver only supports characters in the BMP",
+            kBadRequest);
+        return;
+      }
+    }
+    keys.append(keys_list_part);
+  }
+
+  ErrorCode code =
+      session_->SendKeys(GetElementIdAsDictionaryValue(element_id), keys);
+  if (code != kSuccess) {
+    SET_WEBDRIVER_ERROR(response,
+                        "Internal SendKeys error",
+                        code);
+    return;
+  }
+  response->set_status(kSuccess);
+}
+
+void ElementTextCommand::ExecuteGet(Response* const response) {
+  Value* unscoped_result = NULL;
+  ListValue args;
+  // TODO(jleyba): Use a real javascript atom.
+  std::string script =
+      "function getText(element) {"
+      "  if (element instanceof Text) {"
+      "    return element.textContent.replace(/^\\s+|\\s+$/g, '');"
+      "  }"
+      "  var childrenText = '';"
+      "  for (var i = 0; i < element.childNodes.length; i++) {"
+      "    childrenText += getText(element.childNodes[i]);"
+      "  }"
+      "  return childrenText;"
+      "}"
+      "return getText(arguments[0]);";
+  args.Append(GetElementIdAsDictionaryValue(element_id));
+  ErrorCode code =
+      session_->ExecuteScript(script, &args, &unscoped_result);
+  scoped_ptr<Value> result(unscoped_result);
+  if (code != kSuccess) {
+    SET_WEBDRIVER_ERROR(response, "Failed to execute script", code);
+    return;
+  }
+  if (!result->IsType(Value::TYPE_STRING)) {
+    SET_WEBDRIVER_ERROR(response,
+                        "Result is not string type",
+                        kInternalServerError);
+    return;
+  }
+  response->set_status(kSuccess);
+  response->set_value(result.release());
+}
+
 }  // namespace webdriver