| // Copyright (c) 2015 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/chromeos/extensions/dictionary_event_router.h" |
| |
| #include <string> |
| |
| #include "base/json/json_writer.h" |
| #include "base/values.h" |
| #include "chrome/browser/chromeos/extensions/input_method_api.h" |
| #include "chrome/browser/spellchecker/spellcheck_factory.h" |
| #include "content/public/browser/browser_context.h" |
| #include "extensions/browser/event_router.h" |
| #include "extensions/browser/extension_system.h" |
| |
| namespace chromeos { |
| |
| ExtensionDictionaryEventRouter::ExtensionDictionaryEventRouter( |
| content::BrowserContext* context) |
| : context_(context), loaded_() { |
| SpellcheckService* spellcheck = SpellcheckServiceFactory::GetForContext( |
| context_); |
| if (spellcheck) { |
| service_ = spellcheck->GetWeakPtr(); |
| service_->GetCustomDictionary()->AddObserver(this); |
| loaded_ = service_->GetCustomDictionary()->IsLoaded(); |
| } |
| } |
| |
| ExtensionDictionaryEventRouter::~ExtensionDictionaryEventRouter() { |
| if (service_) |
| service_->GetCustomDictionary()->RemoveObserver(this); |
| } |
| |
| void ExtensionDictionaryEventRouter::DispatchLoadedEventIfLoaded() { |
| if (!loaded_) |
| return; |
| |
| extensions::EventRouter* router = extensions::EventRouter::Get(context_); |
| if (!router->HasEventListener( |
| extensions::InputMethodAPI::kOnDictionaryLoaded)) { |
| return; |
| } |
| |
| scoped_ptr<base::ListValue> args(new base::ListValue()); |
| // The router will only send the event to extensions that are listening. |
| scoped_ptr<extensions::Event> event(new extensions::Event( |
| extensions::events::INPUT_METHOD_PRIVATE_ON_DICTIONARY_LOADED, |
| extensions::InputMethodAPI::kOnDictionaryLoaded, args.Pass())); |
| event->restrict_to_browser_context = context_; |
| router->BroadcastEvent(event.Pass()); |
| } |
| |
| void ExtensionDictionaryEventRouter::OnCustomDictionaryLoaded() { |
| loaded_ = true; |
| DispatchLoadedEventIfLoaded(); |
| } |
| |
| void ExtensionDictionaryEventRouter::OnCustomDictionaryChanged( |
| const SpellcheckCustomDictionary::Change& dictionary_change) { |
| extensions::EventRouter* router = extensions::EventRouter::Get(context_); |
| |
| if (!router->HasEventListener( |
| extensions::InputMethodAPI::kOnDictionaryChanged)) { |
| return; |
| } |
| |
| scoped_ptr<base::ListValue> added_words(new base::ListValue()); |
| for (const std::string& word : dictionary_change.to_add()) |
| added_words->AppendString(word); |
| |
| scoped_ptr<base::ListValue> removed_words(new base::ListValue()); |
| for (const std::string& word : dictionary_change.to_remove()) |
| removed_words->AppendString(word); |
| |
| scoped_ptr<base::ListValue> args(new base::ListValue()); |
| args->Append(added_words.release()); |
| args->Append(removed_words.release()); |
| |
| // The router will only send the event to extensions that are listening. |
| scoped_ptr<extensions::Event> event(new extensions::Event( |
| extensions::events::INPUT_METHOD_PRIVATE_ON_DICTIONARY_CHANGED, |
| extensions::InputMethodAPI::kOnDictionaryChanged, args.Pass())); |
| event->restrict_to_browser_context = context_; |
| router->BroadcastEvent(event.Pass()); |
| } |
| |
| } // namespace chromeos |