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// Copyright (c) 2011 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 UI_VIEWS_WIDGET_TOOLTIP_MANAGER_VIEWS_H_
#define UI_VIEWS_WIDGET_TOOLTIP_MANAGER_VIEWS_H_
#pragma once
#include "base/message_loop.h"
#include "base/timer.h"
#include "ui/views/widget/native_widget.h"
#include "ui/views/widget/tooltip_manager.h"
#include "ui/views/widget/widget_delegate.h"
#include "views/controls/label.h"
#include "views/view.h"
#if defined(USE_X11)
typedef union _XEvent XEvent;
#endif
namespace views {
class MouseEvent;
class Widget;
// TooltipManager implementation for Views.
class TooltipManagerViews : public TooltipManager {
public:
explicit TooltipManagerViews(views::View* root_view);
virtual ~TooltipManagerViews();
// Updates the state of the tooltip based on the mouse event. The mouse event
// is the same event that goes to a Widget (i.e. it is in the Widget's
// coordinate system).
void UpdateForMouseEvent(const MouseEvent& event);
// TooltipManager.
virtual void UpdateTooltip() OVERRIDE;
virtual void TooltipTextChanged(View* view) OVERRIDE;
virtual void ShowKeyboardTooltip(View* view) OVERRIDE;
virtual void HideKeyboardTooltip() OVERRIDE;
private:
void TooltipTimerFired();
View* GetViewForTooltip(int x, int y, bool for_keyboard);
// Updates the tooltip if required (if there is any change in the tooltip
// text or the view.
void UpdateIfRequired(int x, int y, bool for_keyboard);
// Updates the tooltip. Gets the tooltip text from tooltip_view_ and displays
// it at the current mouse position.
void Update();
// Adjusts the bounds given by the arguments to fit inside the parent view
// and applies the adjusted bounds to the tooltip_label_.
void SetTooltipBounds(gfx::Point mouse_pos, int tooltip_width,
int tooltip_height);
// Creates a widget of type TYPE_TOOLTIP
Widget* CreateTooltip();
// Invoked when the mose moves.
void OnMouseMoved(int x, int y);
scoped_ptr<Widget> tooltip_widget_;
views::View* root_view_;
View* tooltip_view_;
string16 tooltip_text_;
Label tooltip_label_;
gfx::Point curr_mouse_pos_;
base::RepeatingTimer<TooltipManagerViews> tooltip_timer_;
DISALLOW_COPY_AND_ASSIGN(TooltipManagerViews);
};
} // namespace views
#endif // UI_VIEWS_WIDGET_TOOLTIP_MANAGER_VIEWS_H_
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