Remove old HTML app list start page.

chrome/browser/ui/webui/app_list/start_page_handler.cc

 // Copyright 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/browser/ui/webui/app_list/start_page_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/hotword_service.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
-#include "chrome/browser/ui/app_list/recommended_apps.h"
 #include "chrome/browser/ui/app_list/start_page_service.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/pref_names.h"
 #include "components/update_client/update_query_params.h"
 #include "content/public/browser/web_ui.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_icon_set.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/speech_ui_model_observer.h"
 #include "ui/events/event_constants.h"
 
 namespace app_list {
 
 namespace {
 
 #if defined(OS_CHROMEOS)
 const char kOldHotwordExtensionVersionString[] = "0.1.1.5023";
 #endif
 
-scoped_ptr<base::DictionaryValue> CreateAppInfo(
-    const extensions::Extension* app) {
-  scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
-  dict->SetString("appId", app->id());
-  dict->SetString("textTitle", app->short_name());
-  dict->SetString("title", app->name());
-
-  const bool grayscale = false;
-  bool icon_exists = true;
-  GURL icon_url = extensions::ExtensionIconSource::GetIconURL(
-      app,
-      extension_misc::EXTENSION_ICON_MEDIUM,
-      ExtensionIconSet::MATCH_BIGGER,
-      grayscale,
-      &icon_exists);
-  dict->SetString("iconUrl", icon_url.spec());
-
-  return dict.Pass();
-}
-
 }  // namespace
 
-StartPageHandler::StartPageHandler()
-    : recommended_apps_(NULL),
-      extension_registry_observer_(this) {
+StartPageHandler::StartPageHandler() : extension_registry_observer_(this) {
 }
 
 StartPageHandler::~StartPageHandler() {
-  if (recommended_apps_)
-    recommended_apps_->RemoveObserver(this);
 }
 
 void StartPageHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback(
       "initialize",
       base::Bind(&StartPageHandler::HandleInitialize, base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
       "launchApp",
       base::Bind(&StartPageHandler::HandleLaunchApp, base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
@@ skipping 26 matching lines @@
     const extensions::Extension* extension,
     extensions::UnloadedExtensionInfo::Reason reason) {
 #if defined(OS_CHROMEOS)
   DCHECK_EQ(Profile::FromWebUI(web_ui()),
             Profile::FromBrowserContext(browser_context));
   if (extension->id() == extension_misc::kHotwordExtensionId)
     OnHotwordEnabledChanged();
 #endif
 }
 
-void StartPageHandler::OnRecommendedAppsChanged() {
-  SendRecommendedApps();
-}
-
-void StartPageHandler::SendRecommendedApps() {
-  const RecommendedApps::Apps& recommends = recommended_apps_->apps();
-
-  base::ListValue recommended_list;
-  for (size_t i = 0; i < recommends.size(); ++i) {
-    recommended_list.Append(CreateAppInfo(recommends[i].get()).release());
-  }
-
-  web_ui()->CallJavascriptFunction("appList.startPage.setRecommendedApps",
-                                   recommended_list);
-}
-
 #if defined(OS_CHROMEOS)
 void StartPageHandler::OnHotwordEnabledChanged() {
   // If the hotword extension is new enough, we should use the new
   // hotwordPrivate API to provide the feature.
   // TODO(mukai): remove this after everything gets stable.
   Profile* profile = Profile::FromWebUI(web_ui());
 
   extensions::ExtensionRegistry* registry =
       extensions::ExtensionRegistry::Get(profile);
   const extensions::Extension* hotword_extension =
@@ skipping 12 matching lines @@
 #endif
 
 void StartPageHandler::HandleInitialize(const base::ListValue* args) {
   Profile* profile = Profile::FromWebUI(web_ui());
   StartPageService* service = StartPageService::Get(profile);
   if (!service)
     return;
 
   service->WebUILoaded();
 
-  recommended_apps_ = service->recommended_apps();
-  recommended_apps_->AddObserver(this);
-
-  SendRecommendedApps();
-
 #if defined(OS_CHROMEOS)
   if (app_list::switches::IsVoiceSearchEnabled() &&
       HotwordService::DoesHotwordSupportLanguage(profile)) {
     OnHotwordEnabledChanged();
     pref_change_registrar_.Init(profile->GetPrefs());
     pref_change_registrar_.Add(
         prefs::kHotwordSearchEnabled,
         base::Bind(&StartPageHandler::OnHotwordEnabledChanged,
                    base::Unretained(this)));
 
@@ skipping 86 matching lines @@
   else if (state_string == "NETWORK_ERROR")
     new_state = SPEECH_RECOGNITION_NETWORK_ERROR;
 
   StartPageService* service =
       StartPageService::Get(Profile::FromWebUI(web_ui()));
   if (service)
     service->OnSpeechRecognitionStateChanged(new_state);
 }
 
 }  // namespace app_list