Implementation of AutomationEventQueue and associated framework to support generic non-blocking aut…

chrome/browser/automation/testing_automation_provider.cc

 // Copyright (c) 2012 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/browser/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 2298 matching lines @@
   handler_map["NavigateToURL"] =
       &TestingAutomationProvider::NavigateToURL;
   handler_map["GetLocalStatePrefsInfo"] =
       &TestingAutomationProvider::GetLocalStatePrefsInfo;
   handler_map["SetLocalStatePrefs"] =
       &TestingAutomationProvider::SetLocalStatePrefs;
   handler_map["GetPrefsInfo"] = &TestingAutomationProvider::GetPrefsInfo;
   handler_map["SetPrefs"] = &TestingAutomationProvider::SetPrefs;
   handler_map["ExecuteJavascript"] =
       &TestingAutomationProvider::ExecuteJavascriptJSON;
+  handler_map["ObserveRaisedEvents"] =
+      &TestingAutomationProvider::ObserveRaisedEvents;
+  handler_map["GetEvent"] =
+      &TestingAutomationProvider::GetEvent;
+  handler_map["RemoveEventObserver"] =
+      &TestingAutomationProvider::RemoveEventObserver;
+  handler_map["ClearEvents"] =
+      &TestingAutomationProvider::ClearEvents;
+  handler_map["ClearEventObservers"] =
+      &TestingAutomationProvider::ClearEventObservers;
   handler_map["ExecuteJavascriptInRenderView"] =
       &TestingAutomationProvider::ExecuteJavascriptInRenderView;
   handler_map["GoForward"] =
       &TestingAutomationProvider::GoForward;
   handler_map["GoBack"] =
       &TestingAutomationProvider::GoBack;
   handler_map["Reload"] =
       &TestingAutomationProvider::ReloadJSON;
   handler_map["CaptureEntirePage"] =
       &TestingAutomationProvider::CaptureEntirePageJSON;
@@ skipping 4107 matching lines @@
     AutomationJSONReply(this, reply_message).SendError(
             "A RenderViewHost object was not found with the given view ID.");
     return;
   }
 
   new DomOperationMessageSender(this, reply_message, true);
   ExecuteJavascriptInRenderViewFrame(frame_xpath, javascript, reply_message,
                                      rvh);
 }
 
+void TestingAutomationProvider::ObserveRaisedEvents(
+    DictionaryValue* args,
+    IPC::Message* reply_message) {
+  if (SendErrorIfModalDialogActive(this, reply_message))
+    return;
+
+  std::string event_name;
+  if (!args->GetString("event_name", &event_name)) {
+    AutomationJSONReply(this, reply_message)
+        .SendError("'event_name' missing or invalid");
+    return;
+  }
+  std::string error;
+  RenderViewHost* render_view;
+  if (!GetRenderViewFromJSONArgs(args, profile(), &render_view, &error)) {
+    AutomationJSONReply(this, reply_message).SendError(
+        Error(automation::kInvalidId, error));
+    return;
+  }
+  string16 frame_xpath;
+  if (!args->GetString("frame_xpath", &frame_xpath)) {
+    AutomationJSONReply(this, reply_message)
+        .SendError("'frame_xpath' missing or invalid");
+    return;
+  }
+  std::string set_automation_id;
+  base::SStringPrintf(&set_automation_id,
+                      "window.domAutomationController.setAutomationId(%d);",
+                      reply_message->routing_id());
+  render_view->ExecuteJavascriptInWebFrame(
+      frame_xpath, UTF8ToUTF16(set_automation_id));
+
+  RaisedEventObserver* jsobserver =
+      new RaisedEventObserver(automation_event_queue_, event_name);
+  scoped_ptr<DictionaryValue> return_value(new DictionaryValue);
+  return_value->SetInteger("observer_id", jsobserver->GetId());
+  AutomationJSONReply(this, reply_message).SendSuccess(return_value.get());
+}
+
+void TestingAutomationProvider::RemoveEventObserver(
+    DictionaryValue* args,
+    IPC::Message* reply_message) {
+  int observer_id;
+  if (!args->GetInteger("observer_id", &observer_id)) {
+    AutomationJSONReply(this, reply_message)
+        .SendError("'observer_id' missing or invalid");
+    return;
+  }
+  automation_event_queue_.RemoveObserver(observer_id);
+  AutomationJSONReply(this, reply_message).SendSuccess(NULL);
+}
+
+void TestingAutomationProvider::ClearEvents(
+    DictionaryValue* args,
+    IPC::Message* reply_message) {
+  automation_event_queue_.Clear();
+  AutomationJSONReply(this, reply_message).SendSuccess(NULL);
+}
+
+void TestingAutomationProvider::ClearEventObservers(
+    DictionaryValue* args,
+    IPC::Message* reply_message) {
+  automation_event_queue_.ClearObservers();
+  AutomationJSONReply(this, reply_message).SendSuccess(NULL);
+}
+
+void TestingAutomationProvider::GetEvent(
+    DictionaryValue* args,
+    IPC::Message* reply_message) {
+  int observer_id;
+  bool blocking;
+  if (!args->GetInteger("observer_id", &observer_id)) {
+    AutomationJSONReply(this, reply_message)
+        .SendError("'observer_id' missing or invalid");
+    return;
+  }
+  if (!args->GetBoolean("blocking", &blocking)) {
+    AutomationJSONReply(this, reply_message)
+        .SendError("'blocking' missing or invalid");
+    return;
+  }
+
+  automation_event_queue_.GetEvent(this, reply_message, observer_id, blocking);
+}
+
 void TestingAutomationProvider::GoForward(
     DictionaryValue* args,
     IPC::Message* reply_message) {
   if (SendErrorIfModalDialogActive(this, reply_message))
     return;
 
   WebContents* web_contents;
   std::string error;
   if (!GetTabFromJSONArgs(args, &web_contents, &error)) {
     AutomationJSONReply(this, reply_message).SendError(error);
@@ skipping 517 matching lines @@
 
   Send(reply_message_);
   redirect_query_ = 0;
   reply_message_ = NULL;
 }
 
 void TestingAutomationProvider::OnRemoveProvider() {
   if (g_browser_process)
     g_browser_process->GetAutomationProviderList()->RemoveProvider(this);
 }