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// 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_LIST_VIEW_H_
#define UI_APP_LIST_SEARCH_RESULT_LIST_VIEW_H_
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
#include "ui/app_list/app_list_model.h"
#include "ui/app_list/search_result_view_delegate.h"
#include "ui/base/models/list_model_observer.h"
#include "ui/views/view.h"
namespace app_list {
class SearchResultListViewDelegate;
class SearchResultView;
// SearchResultListView displays AppListModel::SearchResults with a list of
// SearchResultView.
class SearchResultListView : public views::View,
public ui::ListModelObserver,
public SearchResultViewDelegate {
public:
explicit SearchResultListView(SearchResultListViewDelegate* delegate);
virtual ~SearchResultListView();
void SetResults(AppListModel::SearchResults* results);
void SetSelectedIndex(int selected_index);
bool IsResultViewSelected(const SearchResultView* result_view) const;
// Overridden from views::View:
virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
private:
// Helper function to get SearchResultView at given |index|.
SearchResultView* GetResultViewAt(int index);
// Updates UI with model.
void Update();
// Schedules an Update call using |update_factory_|. Do nothing if there is a
// pending call.
void ScheduleUpdate();
// Overridden from ListModelObserver:
virtual void ListItemsAdded(size_t start, size_t count) OVERRIDE;
virtual void ListItemsRemoved(size_t start, size_t count) OVERRIDE;
virtual void ListItemsChanged(size_t start, size_t count) OVERRIDE;
// Overridden from SearchResultViewDelegate:
virtual void SearchResultActivated(SearchResultView* view,
const ui::Event& event) OVERRIDE;
virtual void SearchResultActionActivated(SearchResultView* view,
int action_index,
const ui::Event& event) OVERRIDE;
SearchResultListViewDelegate* delegate_; // Not owned.
AppListModel::SearchResults* results_; // Owned by AppListModel.
int last_visible_index_;
int selected_index_;
// The factory that consolidates multiple Update calls into one.
base::WeakPtrFactory<SearchResultListView> update_factory_;
DISALLOW_COPY_AND_ASSIGN(SearchResultListView);
};
} // namespace app_ist
#endif // UI_APP_LIST_SEARCH_RESULT_LIST_VIEW_H_
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