chrome/browser/ui/webui/components_ui.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_WEBUI_COMPONENTS_UI_H_
   6 #define CHROME_BROWSER_UI_WEBUI_COMPONENTS_UI_H_
   7
   8 #include "components/component_updater/component_updater_service.h"
   9 #include "components/component_updater/crx_update_item.h"
  10 #include "content/public/browser/web_ui_controller.h"
  11 #include "ui/base/layout.h"
  12
  13 namespace base {
  14 class RefCountedMemory;
  15 }
  16
  17 namespace user_prefs {
  18 class PrefRegistrySyncable;
  19 }
  20
  21 class ComponentsUI : public content::WebUIController,
  22                      public component_updater::ServiceObserver {
  23  public:
  24   explicit ComponentsUI(content::WebUI* web_ui);
  25   virtual ~ComponentsUI();
  26
  27   static void OnDemandUpdate(const std::string& component_id);
  28
  29   static base::ListValue* LoadComponents();
  30
  31   static base::RefCountedMemory* GetFaviconResourceBytes(
  32       ui::ScaleFactor scale_factor);
  33
  34   // ServiceObserver implementation.
  35   virtual void OnEvent(Events event, const std::string& id) override;
  36
  37  private:
  38   static base::string16 ComponentEventToString(Events event);
  39   static base::string16 ServiceStatusToString(
  40       component_updater::CrxUpdateItem::Status status);
  41   DISALLOW_COPY_AND_ASSIGN(ComponentsUI);
  42 };
  43
  44 #endif  // CHROME_BROWSER_UI_WEBUI_COMPONENTS_UI_H_