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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_APP_LIST_VIEWS_RECENT_APPS_VIEW_H_
#define ASH_APP_LIST_VIEWS_RECENT_APPS_VIEW_H_
#include <memory>
#include <string>
#include <vector>
#include "ash/app_list/model/app_list_model_observer.h"
#include "ash/ash_export.h"
#include "base/memory/raw_ptr.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/view.h"
namespace views {
class BoxLayout;
}
namespace ash {
class AppListKeyboardController;
class AppListModel;
class AppListConfig;
class AppListItemView;
class AppListViewDelegate;
class SearchModel;
// The recent apps row in the "Continue" section of the bubble launcher. Shows
// a list of app icons.
class ASH_EXPORT RecentAppsView : public AppListModelObserver,
public views::View {
public:
METADATA_HEADER(RecentAppsView);
RecentAppsView(AppListKeyboardController* keyboard_controller,
AppListViewDelegate* view_delegate);
RecentAppsView(const RecentAppsView&) = delete;
RecentAppsView& operator=(const RecentAppsView&) = delete;
~RecentAppsView() override;
// AppListModelObserver:
void OnAppListItemWillBeDeleted(AppListItem* item) override;
// Sets the `AppListConfig` that should be used to configure layout of
// `AppListItemViews` shown within this view.
void UpdateAppListConfig(const AppListConfig* app_list_config);
// Sets the search model and app list model used to obtain the list of the
// most recent apps. Should be called at least once, otherwise the recent apps
// view will not display any results.
void SetModels(SearchModel* search_model, AppListModel* model);
// Updates the visibility of this view. The view may be hidden if there are
// not enough suggestions or if the user has chosen to hide it.
void UpdateVisibility();
// Returns the number of AppListItemView children.
int GetItemViewCount() const;
// Returns an AppListItemView child. `index` must be valid.
AppListItemView* GetItemViewAt(int index) const;
// See AppsGridView::DisableFocusForShowingActiveFolder().
void DisableFocusForShowingActiveFolder(bool disabled);
// views::View:
bool OnKeyPressed(const ui::KeyEvent& event) override;
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
private:
// Updates the recent apps view contents to show results provided by the
// search model. Should be called at least once, otherwise the recent apps
// view will not display any results.
void UpdateResults(const std::vector<std::string>& ids_to_ignore);
// Requests that focus move up and out (usually to the continue tasks).
void MoveFocusUp();
// Requests that focus move down and out (usually to the apps grid).
void MoveFocusDown();
// Returns the visual column of the child with focus, or -1 if there is none.
int GetColumnOfFocusedChild() const;
// Calculates how much padding is assigned to the AppListItemView.
int CalculateTilePadding() const;
const raw_ptr<AppListKeyboardController, DanglingUntriaged | ExperimentalAsh>
keyboard_controller_;
const raw_ptr<AppListViewDelegate, ExperimentalAsh> view_delegate_;
raw_ptr<const AppListConfig, DanglingUntriaged | ExperimentalAsh>
app_list_config_ = nullptr;
raw_ptr<views::BoxLayout, ExperimentalAsh> layout_ = nullptr;
raw_ptr<AppListModel, ExperimentalAsh> model_ = nullptr;
raw_ptr<SearchModel, ExperimentalAsh> search_model_ = nullptr;
// The grid delegate for each AppListItemView.
class GridDelegateImpl;
std::unique_ptr<GridDelegateImpl> grid_delegate_;
// The recent app items. Stored here because this view has child views for
// spacing that are not AppListItemViews.
std::vector<AppListItemView*> item_views_;
};
} // namespace ash
#endif // ASH_APP_LIST_VIEWS_RECENT_APPS_VIEW_H_
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