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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 #include "ui/views/widget/aero_tooltip_manager.h" | |
| 6 | |
| 7 #include <windows.h> | |
| 8 #include <commctrl.h> | |
| 9 #include <shlobj.h> | |
| 10 | |
| 11 #include "base/bind.h" | |
| 12 #include "base/message_loop.h" | |
| 13 #include "ui/base/l10n/l10n_util_win.h" | |
| 14 #include "ui/base/win/hwnd_util.h" | |
| 15 #include "ui/gfx/point.h" | |
| 16 | |
| 17 namespace views { | |
| 18 | |
| 19 /////////////////////////////////////////////////////////////////////////////// | |
| 20 // AeroTooltipManager, public: | |
| 21 | |
| 22 AeroTooltipManager::AeroTooltipManager(Widget* widget) | |
| 23 : TooltipManagerWin(widget), | |
| 24 initial_delay_(0) { | |
| 25 } | |
| 26 | |
| 27 AeroTooltipManager::~AeroTooltipManager() { | |
| 28 if (initial_timer_) | |
| 29 initial_timer_->Disown(); | |
| 30 } | |
| 31 | |
| 32 void AeroTooltipManager::OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param) { | |
| 33 if (u_msg == WM_MOUSELEAVE) { | |
| 34 last_mouse_pos_.SetPoint(-1, -1); | |
| 35 UpdateTooltip(); | |
| 36 return; | |
| 37 } | |
| 38 | |
| 39 if (initial_timer_) | |
| 40 initial_timer_->Disown(); | |
| 41 | |
| 42 if (u_msg == WM_MOUSEMOVE || u_msg == WM_NCMOUSEMOVE) { | |
| 43 gfx::Point mouse_pos(l_param); | |
| 44 if (u_msg == WM_NCMOUSEMOVE) { | |
| 45 // NC message coordinates are in screen coordinates. | |
| 46 POINT temp = mouse_pos.ToPOINT(); | |
| 47 ::MapWindowPoints(HWND_DESKTOP, GetParent(), &temp, 1); | |
| 48 mouse_pos.SetPoint(temp.x, temp.y); | |
| 49 } | |
| 50 if (last_mouse_pos_ != mouse_pos) { | |
| 51 last_mouse_pos_ = mouse_pos; | |
| 52 HideKeyboardTooltip(); | |
| 53 UpdateTooltip(mouse_pos); | |
| 54 } | |
| 55 | |
| 56 // Delay opening of the tooltip just in case the user moves their | |
| 57 // mouse to another control. We defer this from Init because we get | |
| 58 // zero if we query it too soon. | |
| 59 if (!initial_delay_) { | |
| 60 initial_delay_ = static_cast<int>( | |
| 61 ::SendMessage(tooltip_hwnd_, TTM_GETDELAYTIME, TTDT_INITIAL, 0)); | |
| 62 } | |
| 63 initial_timer_ = new InitialTimer(this); | |
| 64 initial_timer_->Start(initial_delay_); | |
| 65 } else { | |
| 66 // Hide the tooltip and cancel any timers. | |
| 67 ::SendMessage(tooltip_hwnd_, TTM_POP, 0, 0); | |
| 68 ::SendMessage(tooltip_hwnd_, TTM_TRACKACTIVATE, false, (LPARAM)&toolinfo_); | |
| 69 return; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 /////////////////////////////////////////////////////////////////////////////// | |
| 74 // AeroTooltipManager, private: | |
| 75 | |
| 76 void AeroTooltipManager::OnTimer() { | |
| 77 initial_timer_ = NULL; | |
| 78 | |
| 79 POINT pt = last_mouse_pos_.ToPOINT(); | |
| 80 ::ClientToScreen(GetParent(), &pt); | |
| 81 | |
| 82 // Set the position and visibility. | |
| 83 if (!tooltip_showing_) { | |
| 84 ::SendMessage(tooltip_hwnd_, TTM_POPUP, 0, 0); | |
| 85 ::SendMessage(tooltip_hwnd_, TTM_TRACKPOSITION, 0, MAKELPARAM(pt.x, pt.y)); | |
| 86 ::SendMessage(tooltip_hwnd_, TTM_TRACKACTIVATE, true, (LPARAM)&toolinfo_); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 /////////////////////////////////////////////////////////////////////////////// | |
| 91 // AeroTooltipManager::InitialTimer | |
| 92 | |
| 93 AeroTooltipManager::InitialTimer::InitialTimer(AeroTooltipManager* manager) | |
| 94 : manager_(manager) { | |
| 95 } | |
| 96 | |
| 97 void AeroTooltipManager::InitialTimer::Start(int time) { | |
| 98 MessageLoop::current()->PostDelayedTask( | |
| 99 FROM_HERE, base::Bind(&InitialTimer::Execute, this), time); | |
| 100 } | |
| 101 | |
| 102 void AeroTooltipManager::InitialTimer::Disown() { | |
| 103 manager_ = NULL; | |
| 104 } | |
| 105 | |
| 106 void AeroTooltipManager::InitialTimer::Execute() { | |
| 107 if (manager_) | |
| 108 manager_->OnTimer(); | |
| 109 } | |
| 110 | |
| 111 } // namespace views | |
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