text: // Copyright (c) 2012 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.
  
  #ifndef UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_
  #define UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_
  
  #include <stddef.h>
  
  #include "base/macros.h"
  #include "base/memory/weak_ptr.h"
  #include "ui/app_list/views/search_result_container_view.h"
  #include "ui/gfx/animation/animation_delegate.h"
  #include "ui/views/view.h"
  
  namespace gfx {
  class LinearAnimation;
  }
  
  namespace app_list {
  namespace test {
  class SearchResultListViewTest;
  }
  
  class AppListViewDelegate;
  class SearchResultListViewDelegate;
  class SearchResultView;
  
  // SearchResultListView displays SearchResultList with a list of
  // SearchResultView.
  class APP_LIST_EXPORT SearchResultListView : public gfx::AnimationDelegate,
                                               public SearchResultContainerView {
   public:
    SearchResultListView(SearchResultListViewDelegate* delegate,
                         AppListViewDelegate* view_delegate);
    ~SearchResultListView() override;
  
    void UpdateAutoLaunchState();
  
    bool IsResultViewSelected(const SearchResultView* result_view) const;
  
    void SearchResultActivated(SearchResultView* view, int event_flags);
  
    void SearchResultActionActivated(SearchResultView* view,
                                     size_t action_index,
                                     int event_flags);
  
    void OnSearchResultInstalled(SearchResultView* view);
  
    // Overridden from views::View:
    bool OnKeyPressed(const ui::KeyEvent& event) override;
    gfx::Size GetPreferredSize() const override;
  
    // Overridden from ui::ListModelObserver:
    void ListItemsRemoved(size_t start, size_t count) override;
  
    // Overridden from SearchResultContainerView:
    void OnContainerSelected(bool from_bottom,
                             bool directional_movement) override;
    void NotifyFirstResultYIndex(int y_index) override;
    int GetYSize() override;
  
   private:
    friend class test::SearchResultListViewTest;
  
    // Overridden from SearchResultContainerView:
    int Update() override;
    void UpdateSelectedIndex(int old_selected, int new_selected) override;
  
    // Updates the auto launch states.
    void SetAutoLaunchTimeout(const base::TimeDelta& timeout);
    void CancelAutoLaunchTimeout();
  
    // Helper function to get SearchResultView at given |index|.
    SearchResultView* GetResultViewAt(int index);
  
    // Forcibly auto-launch for test if it is in auto-launching state.
    void ForceAutoLaunchForTest();
  
    // Overridden from views::View:
    void Layout() override;
    int GetHeightForWidth(int w) const override;
    void VisibilityChanged(views::View* starting_from, bool is_visible) override;
  
    // Overridden from gfx::AnimationDelegate:
    void AnimationEnded(const gfx::Animation* animation) override;
    void AnimationProgressed(const gfx::Animation* animation) override;
  
    SearchResultListViewDelegate* delegate_;  // Not owned.
    AppListViewDelegate* view_delegate_;  // Not owned.
  
    views::View* results_container_;
    views::View* auto_launch_indicator_;
    scoped_ptr<gfx::LinearAnimation> auto_launch_animation_;
  
    DISALLOW_COPY_AND_ASSIGN(SearchResultListView);
  };
  
  }  // namespace app_list
  
  #endif  // UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_
  