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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 ASH_SHELF_SHELF_TOOLTIP_MANAGER_H_
#define ASH_SHELF_SHELF_TOOLTIP_MANAGER_H_
#include "ash/ash_export.h"
#include "ash/shelf/shelf_layout_manager_observer.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "base/timer/timer.h"
#include "ui/events/event_handler.h"
namespace views {
class BubbleDelegateView;
class View;
}
namespace ash {
class ShelfLayoutManager;
class ShelfView;
namespace test {
class ShelfTooltipManagerTest;
class ShelfViewTest;
}
// ShelfTooltipManager manages the tooltip bubble that appears for shelf items.
class ASH_EXPORT ShelfTooltipManager : public ui::EventHandler,
public ShelfLayoutManagerObserver {
public:
explicit ShelfTooltipManager(ShelfView* shelf_view);
~ShelfTooltipManager() override;
// Initializes the tooltip manager once the shelf is shown.
void Init();
// Closes the tooltip.
void Close();
// Returns true if the tooltip is currently visible.
bool IsVisible() const;
// Returns the view to which the tooltip bubble is anchored. May be null.
views::View* GetCurrentAnchorView() const;
// Show the tooltip bubble for the specified view.
void ShowTooltip(views::View* view);
void ShowTooltipWithDelay(views::View* view);
// Set the timer delay in ms for testing.
void set_timer_delay_for_test(int timer_delay) { timer_delay_ = timer_delay; }
protected:
// ui::EventHandler overrides:
void OnEvent(ui::Event* event) override;
// ShelfLayoutManagerObserver overrides:
void WillDeleteShelf() override;
void WillChangeVisibilityState(ShelfVisibilityState new_state) override;
void OnAutoHideStateChanged(ShelfAutoHideState new_state) override;
private:
class ShelfTooltipBubble;
friend class test::ShelfViewTest;
friend class test::ShelfTooltipManagerTest;
int timer_delay_;
base::OneShotTimer timer_;
ShelfView* shelf_view_;
ShelfLayoutManager* shelf_layout_manager_;
views::BubbleDelegateView* bubble_;
base::WeakPtrFactory<ShelfTooltipManager> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ShelfTooltipManager);
};
} // namespace ash
#endif // ASH_SHELF_SHELF_TOOLTIP_MANAGER_H_
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