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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 VIEWS_WIDGET_TOOLTIP_MANAGER_VIEWS_H_
#define VIEWS_WIDGET_TOOLTIP_MANAGER_VIEWS_H_
#pragma once
#include "base/message_loop.h"
#include "base/timer.h"
#include "views/controls/label.h"
#include "views/widget/native_widget.h"
#include "views/widget/tooltip_manager.h"
#include "views/widget/widget_delegate.h"
#include "views/view.h"
#if defined(USE_X11)
typedef union _XEvent XEvent;
namespace ui {
union WaylandEvent;
}
#endif
namespace views {
namespace internal {
class RootView;
}
class Widget;
// TooltipManager implementation for Views.
class TooltipManagerViews : public TooltipManager,
public MessageLoopForUI::Observer {
public:
explicit TooltipManagerViews(internal::RootView* root_view);
virtual ~TooltipManagerViews();
// TooltipManager.
virtual void UpdateTooltip() OVERRIDE;
virtual void TooltipTextChanged(View* view) OVERRIDE;
virtual void ShowKeyboardTooltip(View* view) OVERRIDE;
virtual void HideKeyboardTooltip() OVERRIDE;
#if defined(USE_WAYLAND)
virtual base::MessagePumpObserver::EventStatus WillProcessEvent(
ui::WaylandEvent* event) OVERRIDE;
#elif defined(USE_X11)
// MessageLoopForUI::Observer
virtual base::MessagePumpObserver::EventStatus WillProcessXEvent(
XEvent* xevent) OVERRIDE;
#elif defined(OS_WIN)
virtual void WillProcessMessage(const MSG& msg) OVERRIDE;
virtual void DidProcessMessage(const MSG& msg) OVERRIDE;
#endif
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_;
internal::RootView* 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 // VIEWS_WIDGET_TOOLTIP_MANAGER_VIEWS_H_
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