1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_VIEWS_COREWM_TOOLTIP_WIN_H_
6 #define UI_VIEWS_COREWM_TOOLTIP_WIN_H_
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "base/strings/string16.h"
11 #include "ui/gfx/point.h"
12 #include "ui/views/corewm/tooltip.h"
20 // Implementation of Tooltip that uses the native win32 control for showing the
22 class VIEWS_EXPORT TooltipWin : public Tooltip {
24 explicit TooltipWin(HWND parent);
25 virtual ~TooltipWin();
27 // HandleNotify() is forwarded from DesktopRootWindowHostWin to keep the
28 // native tooltip in sync.
29 bool HandleNotify(int w_param, NMHDR* l_param, LRESULT* l_result);
32 // Ensures |tooltip_hwnd_| is valid. Returns true if valid, false if there
33 // a problem creating |tooltip_hwnd_|.
34 bool EnsureTooltipWindow();
36 // Sets the position of the tooltip.
37 void PositionTooltip();
40 virtual void SetText(aura::Window* window,
41 const base::string16& tooltip_text,
42 const gfx::Point& location) OVERRIDE;
43 virtual void Show() OVERRIDE;
44 virtual void Hide() OVERRIDE;
45 virtual bool IsVisible() OVERRIDE;
47 // The window |tooltip_hwnd_| is parented to.
53 // Used to modify the tooltip.
56 // Is the tooltip showing?
59 // Location to show the tooltip at. In order to position the tooltip we need
60 // to know the size. The size is only available from TTN_SHOW, so we have to
64 DISALLOW_COPY_AND_ASSIGN(TooltipWin);
70 #endif // UI_VIEWS_COREWM_TOOLTIP_WIN_H_