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| 1 // Copyright (c) 2011 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. | |
| 4 | |
| 5 #ifndef VIEWS_WIDGET_AERO_TOOLTIP_MANAGER_H_ | |
| 6 #define VIEWS_WIDGET_AERO_TOOLTIP_MANAGER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "views/widget/tooltip_manager_win.h" | |
| 11 | |
| 12 namespace views { | |
| 13 | |
| 14 /////////////////////////////////////////////////////////////////////////////// | |
| 15 // AeroTooltipManager | |
| 16 // | |
| 17 // Default Windows tooltips are broken when using our custom window frame | |
| 18 // - as soon as the tooltip receives a WM_MOUSEMOVE event, it starts spewing | |
| 19 // NCHITTEST messages at its parent window (us). These messages have random | |
| 20 // x/y coordinates and can't be ignored, as the DwmDefWindowProc uses | |
| 21 // NCHITTEST messages to determine how to highlight the caption buttons | |
| 22 // (the buttons then flicker as the hit tests sent by the user's mouse | |
| 23 // trigger different effects to those sent by the tooltip). | |
| 24 // | |
| 25 // So instead, we have to partially implement tooltips ourselves using | |
| 26 // TTF_TRACKed tooltips. | |
| 27 // | |
| 28 // TODO(glen): Resolve this with Microsoft. | |
| 29 class AeroTooltipManager : public TooltipManagerWin { | |
| 30 public: | |
| 31 explicit AeroTooltipManager(Widget* widget); | |
| 32 virtual ~AeroTooltipManager(); | |
| 33 | |
| 34 virtual void OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param); | |
| 35 | |
| 36 private: | |
| 37 void OnTimer(); | |
| 38 | |
| 39 class InitialTimer : public base::RefCounted<InitialTimer> { | |
| 40 public: | |
| 41 explicit InitialTimer(AeroTooltipManager* manager); | |
| 42 void Start(int time); | |
| 43 void Disown(); | |
| 44 void Execute(); | |
| 45 | |
| 46 private: | |
| 47 friend class base::RefCounted<InitialTimer>; | |
| 48 | |
| 49 ~InitialTimer() {} | |
| 50 | |
| 51 AeroTooltipManager* manager_; | |
| 52 }; | |
| 53 | |
| 54 int initial_delay_; | |
| 55 scoped_refptr<InitialTimer> initial_timer_; | |
| 56 }; | |
| 57 | |
| 58 } // namespace views | |
| 59 | |
| 60 #endif // #ifndef VIEWS_WIDGET_AERO_TOOLTIP_MANAGER_H_ | |
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