src/WinSevenTaskbar.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "WinSevenTaskbar.h"
  23
  24 #include <QWidget>
  25 #include <QIcon>
  26 #include <ShObjIdl.h>
  27
  28 UINT WinSevenTaskbar::m_winMsg = 0;
  29 ITaskbarList3 *WinSevenTaskbar::m_ptbl = NULL;
  30
  31 WinSevenTaskbar::WinSevenTaskbar(void)
  32 {
  33         throw "Cannot create instance of this class!";
  34 }
  35
  36 WinSevenTaskbar::~WinSevenTaskbar(void)
  37 {
  38 }
  39
  40 ////////////////////////////////////////////////////////////
  41
  42 #ifdef __ITaskbarList3_INTERFACE_DEFINED__
  43
  44 void WinSevenTaskbar::init(void)
  45 {
  46         m_winMsg = RegisterWindowMessageW(L"TaskbarButtonCreated");
  47         m_ptbl = NULL;
  48 }
  49
  50 void WinSevenTaskbar::uninit(void)
  51 {
  52         if(m_ptbl)
  53         {
  54                 m_ptbl->Release();
  55                 m_ptbl = NULL;
  56         }
  57 }
  58
  59 bool WinSevenTaskbar::handleWinEvent(MSG *message, long *result)
  60 {
  61         bool stopEvent = false;
  62
  63         if(message->message == m_winMsg)
  64         {
  65                 if(!m_ptbl) createInterface();
  66                 *result = (m_ptbl) ? S_OK : S_FALSE;
  67                 stopEvent = true;
  68         }
  69
  70         return stopEvent;
  71 }
  72
  73 void WinSevenTaskbar::createInterface(void)
  74 {
  75         if(!m_ptbl)
  76         {
  77                 ITaskbarList3 *ptbl = NULL;
  78                 HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&ptbl));
  79
  80                 if (SUCCEEDED(hr))
  81                 {
  82                         HRESULT hr2 = ptbl->HrInit();
  83                         if(SUCCEEDED(hr2))
  84                         {
  85                                 m_ptbl = ptbl;
  86                                 /*qDebug("ITaskbarList3::HrInit() succeeded.");*/
  87                         }
  88                         else
  89                         {
  90                                 ptbl->Release();
  91                                 qWarning("ITaskbarList3::HrInit() has failed.");
  92                         }
  93                 }
  94                 else
  95                 {
  96                         qWarning("ITaskbarList3 could not be created.");
  97                 }
  98         }
  99 }
 100
 101 bool WinSevenTaskbar::setTaskbarState(QWidget *window, WinSevenTaskbarState state)
 102 {
 103         bool result = false;
 104
 105         if(m_ptbl && window)
 106         {
 107                 HRESULT hr = HRESULT(-1);
 108
 109                 switch(state)
 110                 {
 111                 case WinSevenTaskbarNoState:
 112                         hr = m_ptbl->SetProgressState(window->winId(), TBPF_NOPROGRESS);
 113                         break;
 114                 case WinSevenTaskbarNormalState:
 115                         hr = m_ptbl->SetProgressState(window->winId(), TBPF_NORMAL);
 116                         break;
 117                 case WinSevenTaskbarIndeterminateState:
 118                         hr = m_ptbl->SetProgressState(window->winId(), TBPF_INDETERMINATE);
 119                         break;
 120                 case WinSevenTaskbarErrorState:
 121                         hr = m_ptbl->SetProgressState(window->winId(), TBPF_ERROR);
 122                         break;
 123                 case WinSevenTaskbarPausedState:
 124                         hr = m_ptbl->SetProgressState(window->winId(), TBPF_PAUSED);
 125                         break;
 126                 }
 127
 128                 result = SUCCEEDED(hr);
 129         }
 130
 131         return result;
 132 }
 133
 134 void WinSevenTaskbar::setTaskbarProgress(QWidget *window, unsigned __int64 currentValue, unsigned __int64 maximumValue)
 135 {
 136         if(m_ptbl && window)
 137         {
 138                 m_ptbl->SetProgressValue(window->winId(), currentValue, maximumValue);
 139         }
 140 }
 141
 142 void WinSevenTaskbar::setOverlayIcon(QWidget *window, QIcon *icon)
 143 {
 144         if(m_ptbl && window)
 145         {
 146                 m_ptbl->SetOverlayIcon(window->winId(), (icon ? icon->pixmap(16,16).toWinHICON() : NULL), L"LameXP");
 147         }
 148 }
 149
 150 #else //__ITaskbarList3_INTERFACE_DEFINED__
 151
 152 LAMEXP_COMPILER_WARNING("ITaskbarList3 not defined. Compiling *without* support for Win7 taskbar!")
 153 void WinSevenTaskbar::init(void) {}
 154 void WinSevenTaskbar::uninit(void) {}
 155 bool WinSevenTaskbar::handleWinEvent(MSG *message, long *result) { return false; }
 156 void WinSevenTaskbar::createInterface(void) {}
 157 bool WinSevenTaskbar::setTaskbarState(QWidget *window, WinSevenTaskbarState state) { return false; }
 158 void WinSevenTaskbar::setTaskbarProgress(QWidget *window, unsigned __int64 currentValue, unsigned __int64 maximumValue) {}
 159 void WinSevenTaskbar::setOverlayIcon(QWidget *window, QIcon *icon) {}
 160
 161 #endif //__ITaskbarList3_INTERFACE_DEFINED__