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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 CHROME_BROWSER_UI_VIEWS_AUTOFILL_TOOLTIP_ICON_H_
#define CHROME_BROWSER_UI_VIEWS_AUTOFILL_TOOLTIP_ICON_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/scoped_observer.h"
#include "base/strings/string16.h"
#include "base/timer/timer.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/mouse_watcher.h"
#include "ui/views/widget/widget_observer.h"
namespace autofill {
class InfoBubble;
// A tooltip icon that shows a bubble on hover. Looks like (?).
class TooltipIcon : public views::ImageView,
public views::MouseWatcherListener,
public views::WidgetObserver {
public:
static const char kViewClassName[];
explicit TooltipIcon(const base::string16& tooltip);
~TooltipIcon() override;
// views::ImageView:
const char* GetClassName() const override;
void OnMouseEntered(const ui::MouseEvent& event) override;
void OnMouseExited(const ui::MouseEvent& event) override;
void OnGestureEvent(ui::GestureEvent* event) override;
void GetAccessibleState(ui::AXViewState* state) override;
// views::MouseWatcherListener:
void MouseMovedOutOfHost() override;
// views::WidgetObserver:
void OnWidgetDestroyed(views::Widget* widget) override;
private:
// Changes this view's image to the resource indicated by |idr|.
void ChangeImageTo(int idr);
// Creates and shows |bubble_|. If |bubble_| already exists, just cancels a
// potential close timer.
void ShowBubble();
// Hides |bubble_| if necessary.
void HideBubble();
// The text to show in a bubble when hovered.
base::string16 tooltip_;
// Whether the mouse is inside this tooltip.
bool mouse_inside_;
// A bubble shown on hover. Weak; owns itself. NULL while hiding.
InfoBubble* bubble_;
// A timer to delay showing |bubble_|.
base::OneShotTimer<TooltipIcon> show_timer_;
// A watcher that keeps |bubble_| open if the user's mouse enters it.
scoped_ptr<views::MouseWatcher> mouse_watcher_;
ScopedObserver<views::Widget, TooltipIcon> observer_;
DISALLOW_COPY_AND_ASSIGN(TooltipIcon);
};
} // namespace autofill
#endif // CHROME_BROWSER_UI_VIEWS_AUTOFILL_TOOLTIP_ICON_H_
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