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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_COCOA_APPS_SEARCH_RESULTS_MODEL_BRIDGE_H_
#define UI_APP_LIST_COCOA_APPS_SEARCH_RESULTS_MODEL_BRIDGE_H_
#include "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_vector.h"
#include "ui/base/models/list_model_observer.h"
@class NSMenu;
@class AppsSearchResultsController;
namespace app_list {
// Bridge observing the ListModel representing search results in the app list,
// and updating the NSTableView where they are displayed.
class AppsSearchResultsModelBridge : public ui::ListModelObserver {
public:
explicit AppsSearchResultsModelBridge(
AppsSearchResultsController* results_controller);
~AppsSearchResultsModelBridge() override;
// Returns the context menu for the item at |index| in the search results
// model. A menu will be generated if it hasn't been previously requested.
NSMenu* MenuForItem(size_t index);
private:
// Lightweight observer to react to icon updates on individual results.
class ItemObserver;
void UpdateItemObservers();
void ReloadDataForItems(size_t start, size_t count) const;
// Overridden from ui::ListModelObserver:
void ListItemsAdded(size_t start, size_t count) override;
void ListItemsRemoved(size_t start, size_t count) override;
void ListItemMoved(size_t index, size_t target_index) override;
void ListItemsChanged(size_t start, size_t count) override;
AppsSearchResultsController* parent_; // Weak. Owns us.
ScopedVector<ItemObserver> item_observers_;
DISALLOW_COPY_AND_ASSIGN(AppsSearchResultsModelBridge);
};
} // namespace app_list
#endif // UI_APP_LIST_COCOA_APPS_SEARCH_RESULTS_MODEL_BRIDGE_H_
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