Add support for omnibox.onInputStarted and onInputCancelled.

chrome/browser/extensions/extension_omnibox_api.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_omnibox_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/notification_service.h"
 
 namespace events {
-const char kOnInputChanged[] = "experimental.omnibox.onInputChanged/";
-const char kOnInputEntered[] = "experimental.omnibox.onInputEntered/";
+const char kOnInputStarted[] = "experimental.omnibox.onInputStarted";
+const char kOnInputChanged[] = "experimental.omnibox.onInputChanged";
+const char kOnInputEntered[] = "experimental.omnibox.onInputEntered";
+const char kOnInputCancelled[] = "experimental.omnibox.onInputCancelled";
 };  // namespace events
 
 namespace {
 const char kDescriptionStylesOrderError[] =
     "Suggestion descriptionStyles must be in increasing non-overlapping order.";
 const char kDescriptionStylesLengthError[] =
     "Suggestion descriptionStyles contains an offset longer than the"
     " description text";
 
 const wchar_t kSuggestionContent[] = L"content";
 const wchar_t kSuggestionDescription[] = L"description";
 const wchar_t kSuggestionDescriptionStyles[] = L"descriptionStyles";
 const wchar_t kDescriptionStylesType[] = L"type";
 const wchar_t kDescriptionStylesOffset[] = L"offset";
 };  // namespace
 
 // static
+void ExtensionOmniboxEventRouter::OnInputStarted(
+    Profile* profile, const std::string& extension_id) {
+  profile->GetExtensionMessageService()->DispatchEventToExtension(
+      extension_id, events::kOnInputStarted, "[]", profile->IsOffTheRecord(),
+      GURL());
+}
+
+// static
 bool ExtensionOmniboxEventRouter::OnInputChanged(
     Profile* profile, const std::string& extension_id,
     const std::string& input, int suggest_id) {
-  std::string event_name = events::kOnInputChanged + extension_id;
+  std::string event_name = ExtensionMessageService::GetPerExtensionEventName(
+      events::kOnInputChanged, extension_id);
   if (!profile->GetExtensionMessageService()->HasEventListener(event_name))
     return false;
 
   ListValue args;
   args.Set(0, Value::CreateStringValue(input));
   args.Set(1, Value::CreateIntegerValue(suggest_id));
   std::string json_args;
   base::JSONWriter::Write(&args, false, &json_args);
 
-  profile->GetExtensionMessageService()->DispatchEventToRenderers(
-      event_name, json_args, profile->IsOffTheRecord(), GURL());
+  profile->GetExtensionMessageService()->DispatchEventToExtension(
+      extension_id, events::kOnInputChanged, json_args,
+      profile->IsOffTheRecord(), GURL());
   return true;
 }
 
 // static
 void ExtensionOmniboxEventRouter::OnInputEntered(
     Profile* profile, const std::string& extension_id,
     const std::string& input) {
   std::string event_name = events::kOnInputEntered + extension_id;
 
   ListValue args;
   args.Set(0, Value::CreateStringValue(input));
   std::string json_args;
   base::JSONWriter::Write(&args, false, &json_args);
 
-  profile->GetExtensionMessageService()->DispatchEventToRenderers(
-      event_name, json_args, profile->IsOffTheRecord(), GURL());
+  profile->GetExtensionMessageService()->DispatchEventToExtension(
+      extension_id, events::kOnInputEntered, json_args,
+      profile->IsOffTheRecord(), GURL());
+
+  NotificationService::current()->Notify(
+      NotificationType::EXTENSION_OMNIBOX_INPUT_ENTERED,
+      Source<Profile>(profile), NotificationService::NoDetails());
+}
+
+// static
+void ExtensionOmniboxEventRouter::OnInputCancelled(
+    Profile* profile, const std::string& extension_id) {
+  profile->GetExtensionMessageService()->DispatchEventToExtension(
+      extension_id, events::kOnInputCancelled, "[]", profile->IsOffTheRecord(),
+      GURL());
 }
 
 bool OmniboxSendSuggestionsFunction::RunImpl() {
   ExtensionOmniboxSuggestions suggestions;
   ListValue* suggestions_value;
   EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &suggestions.request_id));
   EXTENSION_FUNCTION_VALIDATE(args_->GetList(1, &suggestions_value));
 
   suggestions.suggestions.resize(suggestions_value->GetSize());
   for (size_t i = 0; i < suggestions_value->GetSize(); ++i) {
@@ skipping 54 matching lines @@
     }
   }
 
   NotificationService::current()->Notify(
       NotificationType::EXTENSION_OMNIBOX_SUGGESTIONS_READY,
       Source<Profile>(profile_),
       Details<ExtensionOmniboxSuggestions>(&suggestions));
 
   return true;
 }