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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_ASH_SHELF_BROWSER_SHORTCUT_SHELF_ITEM_CONTROLLER_H_
#define CHROME_BROWSER_UI_ASH_SHELF_BROWSER_SHORTCUT_SHELF_ITEM_CONTROLLER_H_
#include <memory>
#include "ash/public/cpp/shelf_item_delegate.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/browser_list_observer.h"
namespace ash {
class ShelfModel;
}
class ShelfContextMenu;
// Shelf item delegate for a browser shortcut; only one such item should exist.
// This item shows an application menu that lists open browser windows or tabs.
class BrowserShortcutShelfItemController : public ash::ShelfItemDelegate,
public BrowserListObserver {
public:
explicit BrowserShortcutShelfItemController(ash::ShelfModel* shelf_model);
BrowserShortcutShelfItemController(
const BrowserShortcutShelfItemController&) = delete;
BrowserShortcutShelfItemController& operator=(
const BrowserShortcutShelfItemController&) = delete;
~BrowserShortcutShelfItemController() override;
// Check if there is any active browsers windows.
static bool IsListOfActiveBrowserEmpty(const ash::ShelfModel* model);
// ash::ShelfItemDelegate overrides:
void ItemSelected(std::unique_ptr<ui::Event> event,
int64_t display_id,
ash::ShelfLaunchSource source,
ItemSelectedCallback callback,
const ItemFilterPredicate& filter_predicate) override;
AppMenuItems GetAppMenuItems(
int event_flags,
const ItemFilterPredicate& filter_predicate) override;
void GetContextMenu(int64_t display_id,
GetContextMenuCallback callback) override;
void ExecuteCommand(bool from_context_menu,
int64_t command_id,
int32_t event_flags,
int64_t display_id) override;
void Close() override;
private:
// Activate a browser - or advance to the next one on the list.
// Returns the action performed. Should be one of SHELF_ACTION_NONE,
// SHELF_ACTION_WINDOW_ACTIVATED, or SHELF_ACTION_NEW_WINDOW_CREATED.
ash::ShelfAction ActivateOrAdvanceToNextBrowser();
// BrowserListObserver:
void OnBrowserAdded(Browser* browser) override;
void OnBrowserClosing(Browser* browser) override;
raw_ptr<ash::ShelfModel> shelf_model_;
// The cached browser windows and tab indices shown in an application menu.
std::vector<std::pair<Browser*, size_t>> app_menu_items_;
std::unique_ptr<ShelfContextMenu> context_menu_;
};
#endif // CHROME_BROWSER_UI_ASH_SHELF_BROWSER_SHORTCUT_SHELF_ITEM_CONTROLLER_H_
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