[chromedriver] Wait for the element to be visible before SendKeys.

chrome/test/chromedriver/element_commands.cc

 // Copyright (c) 2013 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.
 
 #include "chrome/test/chromedriver/element_commands.h"
 
 #include <list>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/stringprintf.h"
 #include "base/strings/string_split.h"
+#include "base/threading/platform_thread.h"
+#include "base/time.h"
 #include "base/values.h"
 #include "chrome/test/chromedriver/basic_types.h"
 #include "chrome/test/chromedriver/chrome/chrome.h"
 #include "chrome/test/chromedriver/chrome/js.h"
 #include "chrome/test/chromedriver/chrome/status.h"
 #include "chrome/test/chromedriver/chrome/ui_events.h"
 #include "chrome/test/chromedriver/chrome/web_view.h"
 #include "chrome/test/chromedriver/element_util.h"
 #include "chrome/test/chromedriver/session.h"
 #include "chrome/test/chromedriver/util.h"
 #include "third_party/webdriver/atoms.h"
 
 namespace {
 
 Status SendKeysToElement(
     Session* session,
     WebView* web_view,
     const std::string& element_id,
     const ListValue* key_list) {
   bool is_displayed = false;
-  Status status = IsElementDisplayed(
-      session, web_view, element_id, true, &is_displayed);
-  if (status.IsError())
-    return status;
-  if (!is_displayed)
-    return Status(kElementNotVisible);
+  base::Time start_time = base::Time::Now();
+  while (true) {
+    Status status = IsElementDisplayed(
+        session, web_view, element_id, true, &is_displayed);
+    if (status.IsError())
+      return status;
+    if (is_displayed)
+      break;
+    if ((base::Time::Now() - start_time).InMilliseconds() >=
+        session->implicit_wait) {
+      return Status(kElementNotVisible);
+    }
+    base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(100));
+  }
   bool is_enabled = false;
-  status = IsElementEnabled(session, web_view, element_id, &is_enabled);
+  Status status = IsElementEnabled(session, web_view, element_id, &is_enabled);
   if (status.IsError())
     return status;
   if (!is_enabled)
     return Status(kInvalidElementState);
   base::ListValue args;
   args.Append(CreateElement(element_id));
   scoped_ptr<base::Value> result;
   status = web_view->CallFunction(
       session->GetCurrentFrameId(), kFocusScript, args, &result);
   if (status.IsError())
@@ skipping 365 matching lines @@
     WebView* web_view,
     const std::string& element_id,
     const base::DictionaryValue& params,
     scoped_ptr<base::Value>* value) {
   std::string other_element_id;
   if (!params.GetString("other", &other_element_id))
     return Status(kUnknownError, "'other' must be a string");
   value->reset(new base::FundamentalValue(element_id == other_element_id));
   return Status(kOk);
 }