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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_APP_LIST_FOLDER_ITEM_H_
#define UI_APP_LIST_APP_LIST_FOLDER_ITEM_H_
#include <string>
#include <vector>
#include "ui/app_list/app_list_export.h"
#include "ui/app_list/app_list_item.h"
#include "ui/app_list/app_list_item_list_observer.h"
#include "ui/app_list/app_list_item_observer.h"
#include "ui/app_list/folder_image.h"
namespace gfx {
class ImageSkia;
class Rect;
}
namespace app_list {
class AppListItemList;
// AppListFolderItem implements the model/controller for folders.
class APP_LIST_EXPORT AppListFolderItem : public AppListItem,
public FolderImageObserver {
public:
// The folder type affects folder behavior.
enum FolderType {
// Default folder type.
FOLDER_TYPE_NORMAL,
// Items can not be moved to/from OEM folders in the UI.
FOLDER_TYPE_OEM
};
static const char kItemType[];
AppListFolderItem(const std::string& id, FolderType folder_type);
~AppListFolderItem() override;
// Returns the icon of one of the top items with |item_index|.
const gfx::ImageSkia& GetTopIcon(size_t item_index);
// Returns the target icon bounds for |item| to fly back to its parent folder
// icon in animation UI. If |item| is one of the top item icon, this will
// match its corresponding top item icon in the folder icon. Otherwise,
// the target icon bounds is centered at the |folder_icon_bounds| with
// the same size of the top item icon.
// The Rect returned is in the same coordinates of |folder_icon_bounds|.
gfx::Rect GetTargetIconRectInFolderForItem(
AppListItem* item, const gfx::Rect& folder_icon_bounds);
AppListItemList* item_list() { return item_list_.get(); }
const AppListItemList* item_list() const { return item_list_.get(); }
// For tests.
const FolderImage& folder_image() const { return folder_image_; }
FolderType folder_type() const { return folder_type_; }
// AppListItem overrides:
void Activate(int event_flags) override;
const char* GetItemType() const override;
ui::MenuModel* GetContextMenuModel() override;
AppListItem* FindChildItem(const std::string& id) override;
size_t ChildItemCount() const override;
void OnExtensionPreferenceChanged() override;
bool CompareForTest(const AppListItem* other) const override;
// Returns an id for a new folder.
static std::string GenerateId();
// FolderImageObserver overrides:
void OnFolderImageUpdated() override;
private:
// The type of folder; may affect behavior of folder views.
const FolderType folder_type_;
// List of items in the folder.
scoped_ptr<AppListItemList> item_list_;
FolderImage folder_image_;
DISALLOW_COPY_AND_ASSIGN(AppListFolderItem);
};
} // namespace app_list
#endif // UI_APP_LIST_APP_LIST_FOLDER_ITEM_H_
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