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// Copyright 2013 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_CONTROLLER_H_
#define UI_APP_LIST_SEARCH_CONTROLLER_H_
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "base/timer/timer.h"
#include "ui/app_list/app_list_export.h"
#include "ui/app_list/app_list_model.h"
#include "ui/app_list/search/mixer.h"
#include "ui/app_list/speech_ui_model_observer.h"
namespace app_list {
class History;
class SearchBoxModel;
class SearchProvider;
class SearchResult;
// Controller that collects query from given SearchBoxModel, dispatches it
// to all search providers, then invokes the mixer to mix and to publish the
// results to the given SearchResults UI model.
class APP_LIST_EXPORT SearchController {
public:
SearchController(SearchBoxModel* search_box,
AppListModel::SearchResults* results,
History* history);
virtual ~SearchController();
void Start(bool is_voice_query);
void Stop();
void OpenResult(SearchResult* result, int event_flags);
void InvokeResultAction(SearchResult* result,
int action_index,
int event_flags);
// Adds a new mixer group. See Mixer::AddGroup.
size_t AddGroup(size_t max_results, double boost, double multiplier);
// Adds a new mixer group. See Mixer::AddOmniboxGroup.
size_t AddOmniboxGroup(size_t max_results, double boost, double multiplier);
// Takes ownership of |provider| and associates it with given mixer group.
void AddProvider(size_t group_id, scoped_ptr<SearchProvider> provider);
private:
typedef ScopedVector<SearchProvider> Providers;
// Invoked when the search results are changed.
void OnResultsChanged();
SearchBoxModel* search_box_;
bool dispatching_query_;
Providers providers_;
scoped_ptr<Mixer> mixer_;
History* history_; // KeyedService, not owned.
bool is_voice_query_;
base::OneShotTimer<SearchController> stop_timer_;
DISALLOW_COPY_AND_ASSIGN(SearchController);
};
} // namespace app_list
#endif // UI_APP_LIST_SEARCH_CONTROLLER_H_
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