chrome/browser/ui/app_list/launcher_page_event_dispatcher.h

   1 // Copyright 2014 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_APP_LIST_LAUNCHER_PAGE_EVENT_DISPATCHER_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_LAUNCHER_PAGE_EVENT_DISPATCHER_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "extensions/browser/event_router.h"
  13 #include "extensions/browser/extension_event_histogram_value.h"
  14
  15 class Profile;
  16
  17 namespace base {
  18 class ListValue;
  19 }
  20
  21 namespace app_list {
  22
  23 // A class which sends API events to the custom launcher page.
  24 class LauncherPageEventDispatcher {
  25  public:
  26   LauncherPageEventDispatcher(Profile* profile,
  27                               const std::string& extension_id);
  28   ~LauncherPageEventDispatcher();
  29
  30   void ProgressChanged(double progress);
  31   void PopSubpage();
  32
  33  private:
  34   // Dispatches |event| to |extension_id_|.
  35   void DispatchEvent(scoped_ptr<extensions::Event> event);
  36
  37   Profile* profile_;
  38   std::string extension_id_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(LauncherPageEventDispatcher);
  41 };
  42
  43 }  // namespace app_list
  44
  45 #endif  // CHROME_BROWSER_UI_APP_LIST_LAUNCHER_PAGE_EVENT_DISPATCHER_H_