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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 "ash/shelf/shelf_types.h"
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "ui/events/event_handler.h"
#include "ui/gfx/rect.h"
#include "ui/views/bubble/bubble_border.h"
#include "ui/views/bubble/bubble_delegate.h"
namespace base {
class Timer;
}
namespace views {
class BubbleDelegateView;
class Label;
}
namespace ash {
namespace test {
class ShelfTooltipManagerTest;
class ShelfViewTest;
}
namespace internal {
class ShelfView;
class ShelfLayoutManager;
// ShelfTooltipManager manages the tooltip balloon poping up on shelf items.
class ASH_EXPORT ShelfTooltipManager : public ui::EventHandler,
public ShelfLayoutManagerObserver {
public:
ShelfTooltipManager(ShelfLayoutManager* shelf_layout_manager,
ShelfView* shelf_view);
virtual ~ShelfTooltipManager();
ShelfLayoutManager* shelf_layout_manager() { return shelf_layout_manager_; }
// Called when the bubble is closed.
void OnBubbleClosed(views::BubbleDelegateView* view);
// Shows the tooltip after a delay. It also has the appearing animation.
void ShowDelayed(views::View* anchor, const base::string16& text);
// Shows the tooltip immediately. It omits the appearing animation.
void ShowImmediately(views::View* anchor, const base::string16& text);
// Closes the tooltip.
void Close();
// Changes the arrow location of the tooltip in case that the launcher
// arrangement has changed.
void UpdateArrow();
// Resets the timer for the delayed showing |view_|. If the timer isn't
// running, it starts a new timer.
void ResetTimer();
// Stops the timer for the delayed showing |view_|.
void StopTimer();
// Returns true if the tooltip is currently visible.
bool IsVisible();
// Returns the view to which the tooltip bubble is anchored. May be NULL.
views::View* GetCurrentAnchorView() { return anchor_; }
// Create an instant timer for test purposes.
void CreateZeroDelayTimerForTest();
protected:
// ui::EventHandler overrides:
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
virtual void OnCancelMode(ui::CancelModeEvent* event) OVERRIDE;
// ShelfLayoutManagerObserver overrides:
virtual void WillDeleteShelf() OVERRIDE;
virtual void WillChangeVisibilityState(
ShelfVisibilityState new_state) OVERRIDE;
virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) OVERRIDE;
private:
class ShelfTooltipBubble;
friend class test::ShelfViewTest;
friend class test::ShelfTooltipManagerTest;
void CancelHidingAnimation();
void CloseSoon();
void ShowInternal();
void CreateBubble(views::View* anchor, const base::string16& text);
void CreateTimer(int delay_in_ms);
ShelfTooltipBubble* view_;
views::Widget* widget_;
views::View* anchor_;
base::string16 text_;
scoped_ptr<base::Timer> timer_;
ShelfLayoutManager* shelf_layout_manager_;
ShelfView* shelf_view_;
base::WeakPtrFactory<ShelfTooltipManager> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ShelfTooltipManager);
};
} // namespace internal
} // namespace ash
#endif // ASH_SHELF_SHELF_TOOLTIP_MANAGER_H_
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