ash: Add support for additional icons in apps search list.

ui/app_list/search_result_view.h

 // 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_SEARCH_RESULT_VIEW_H_
 #define UI_APP_LIST_SEARCH_RESULT_VIEW_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/app_list/search_result_observer.h"
 #include "ui/views/controls/button/custom_button.h"
 
 namespace gfx {
 class RenderText;
 }
 
 namespace views {
+class ImageButton;
 class ImageView;
 }
 
 namespace app_list {
 
 class SearchResult;
 class SearchResultListView;
+class SearchResultViewDelegate;
 
 // SearchResultView displays a SearchResult.
 class SearchResultView : public views::CustomButton,
+                         public views::ButtonListener,
                          public SearchResultObserver {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   SearchResultView(SearchResultListView* list_view,
-                   views::ButtonListener* listener);
+                   SearchResultViewDelegate* delegate);
   virtual ~SearchResultView();
 
   // Sets/gets SearchResult displayed by this view.
   void SetResult(SearchResult* result);
   const SearchResult* result() const { return result_; }
 
   // Clears reference to SearchResult but don't schedule repaint.
   void ClearResultNoRepaint();
 
  private:
   void UpdateTitleText();
   void UpdateDetailsText();
 
   // views::View overrides:
   virtual std::string GetClassName() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
+  // views::ButtonListener overrides:
+  virtual void ButtonPressed(views::Button* sender,
+                             const ui::Event& event) OVERRIDE;
+
   // SearchResultObserver overrides:
   virtual void OnIconChanged() OVERRIDE;
+  virtual void OnActionIconsChanged() OVERRIDE;
 
   SearchResult* result_;  // Owned by AppListModel::SearchResults.
 
   // Parent list view. Owned by views hierarchy.
   SearchResultListView* list_view_;
 
+  // Not owned by us.
+  SearchResultViewDelegate* delegate_;
+
   views::ImageView* icon_;  // Owned by views hierarchy.
   scoped_ptr<gfx::RenderText> title_text_;
   scoped_ptr<gfx::RenderText> details_text_;
 
+  // Owned by the views hierarchy.
+  std::vector<views::ImageButton*> action_buttons_;
+
   DISALLOW_COPY_AND_ASSIGN(SearchResultView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_SEARCH_RESULT_VIEW_H_