ui/app_list/views/contents_switcher_view.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 UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_
   6 #define UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_
   7
   8 #include "base/basictypes.h"
   9 #include "ui/app_list/pagination_model_observer.h"
  10 #include "ui/views/controls/button/button.h"
  11 #include "ui/views/view.h"
  12
  13 namespace app_list {
  14
  15 class ContentsView;
  16
  17 // A view that contains buttons to switch the displayed view in the given
  18 // ContentsView.
  19 class ContentsSwitcherView : public views::View,
  20                              public views::ButtonListener,
  21                              public PaginationModelObserver {
  22  public:
  23   explicit ContentsSwitcherView(ContentsView* contents_view);
  24   virtual ~ContentsSwitcherView();
  25
  26   ContentsView* contents_view() const { return contents_view_; }
  27
  28   // Adds a switcher button using |resource_id| as the button's image, which
  29   // opens the page with index |page_index| in the ContentsView. |resource_id|
  30   // is ignored if it is 0.
  31   void AddSwitcherButton(int resource_id, int page_index);
  32
  33  private:
  34   // Overridden from views::ButtonListener:
  35   virtual void ButtonPressed(views::Button* sender,
  36                              const ui::Event& event) OVERRIDE;
  37
  38   // Overridden from PaginationModelObserver:
  39   virtual void TotalPagesChanged() OVERRIDE;
  40   virtual void SelectedPageChanged(int old_selected, int new_selected) OVERRIDE;
  41   virtual void TransitionStarted() OVERRIDE;
  42   virtual void TransitionChanged() OVERRIDE;
  43
  44   ContentsView* contents_view_;  // Owned by views hierarchy.
  45
  46   // Stores Views owned by views hierarchy.
  47   std::vector<views::View*> page_active_indicators_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(ContentsSwitcherView);
  50 };
  51
  52 }  // namespace app_list
  53
  54 #endif  // UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_