src/WinSevenTaskbar.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 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
  27 //Windows includes
  28 #define NOMINMAX
  29 #define WIN32_LEAN_AND_MEAN
  30 #include <Windows.h>
  31 #include <ShObjIdl.h>
  32
  33 static UINT s_winMsg = 0;
  34 static ITaskbarList3 *s_ptbl = NULL;
  35
  36 WinSevenTaskbar::WinSevenTaskbar(void)
  37 {
  38         throw "Cannot create instance of this class!";
  39 }
  40
  41 WinSevenTaskbar::~WinSevenTaskbar(void)
  42 {
  43 }
  44
  45 ////////////////////////////////////////////////////////////
  46
  47 #ifdef __ITaskbarList3_INTERFACE_DEFINED__
  48
  49 void WinSevenTaskbar::init(void)
  50 {
  51         s_winMsg = RegisterWindowMessageW(L"TaskbarButtonCreated");
  52         s_ptbl = NULL;
  53 }
  54
  55 void WinSevenTaskbar::uninit(void)
  56 {
  57         if(s_ptbl)
  58         {
  59                 s_ptbl->Release();
  60                 s_ptbl = NULL;
  61         }
  62 }
  63
  64 bool WinSevenTaskbar::handleWinEvent(void *message, long *result)
  65 {
  66         bool stopEvent = false;
  67
  68         if(((MSG*)message)->message == s_winMsg)
  69         {
  70                 if(!s_ptbl) createInterface();
  71                 *result = (s_ptbl) ? S_OK : S_FALSE;
  72                 stopEvent = true;
  73         }
  74
  75         return stopEvent;
  76 }
  77
  78 void WinSevenTaskbar::createInterface(void)
  79 {
  80         if(!s_ptbl)
  81         {
  82                 ITaskbarList3 *ptbl = NULL;
  83                 HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&ptbl));
  84
  85                 if (SUCCEEDED(hr))
  86                 {
  87                         HRESULT hr2 = ptbl->HrInit();
  88                         if(SUCCEEDED(hr2))
  89                         {
  90                                 s_ptbl = ptbl;
  91                                 /*qDebug("ITaskbarList3::HrInit() succeeded.");*/
  92                         }
  93                         else
  94                         {
  95                                 ptbl->Release();
  96                                 qWarning("ITaskbarList3::HrInit() has failed.");
  97                         }
  98                 }
  99                 else
 100                 {
 101                         qWarning("ITaskbarList3 could not be created.");
 102                 }
 103         }
 104 }
 105
 106 bool WinSevenTaskbar::setTaskbarState(QWidget *window, WinSevenTaskbarState state)
 107 {
 108         bool result = false;
 109
 110         if(s_ptbl && window)
 111         {
 112                 HRESULT hr = HRESULT(-1);
 113
 114                 switch(state)
 115                 {
 116                 case WinSevenTaskbarNoState:
 117                         hr = s_ptbl->SetProgressState(reinterpret_cast<HWND>(window->winId()), TBPF_NOPROGRESS);
 118                         break;
 119                 case WinSevenTaskbarNormalState:
 120                         hr = s_ptbl->SetProgressState(reinterpret_cast<HWND>(window->winId()), TBPF_NORMAL);
 121                         break;
 122                 case WinSevenTaskbarIndeterminateState:
 123                         hr = s_ptbl->SetProgressState(reinterpret_cast<HWND>(window->winId()), TBPF_INDETERMINATE);
 124                         break;
 125                 case WinSevenTaskbarErrorState:
 126                         hr = s_ptbl->SetProgressState(reinterpret_cast<HWND>(window->winId()), TBPF_ERROR);
 127                         break;
 128                 case WinSevenTaskbarPausedState:
 129                         hr = s_ptbl->SetProgressState(reinterpret_cast<HWND>(window->winId()), TBPF_PAUSED);
 130                         break;
 131                 }
 132
 133                 result = SUCCEEDED(hr);
 134         }
 135
 136         return result;
 137 }
 138
 139 void WinSevenTaskbar::setTaskbarProgress(QWidget *window, unsigned __int64 currentValue, unsigned __int64 maximumValue)
 140 {
 141         if(s_ptbl && window)
 142         {
 143                 s_ptbl->SetProgressValue(reinterpret_cast<HWND>(window->winId()), currentValue, maximumValue);
 144         }
 145 }
 146
 147 void WinSevenTaskbar::setOverlayIcon(QWidget *window, QIcon *icon)
 148 {
 149 #if QT_VERSION < QT_VERSION_CHECK(5,0,0)
 150         if(s_ptbl && window)
 151         {
 152                 s_ptbl->SetOverlayIcon(window->winId(), (icon ? icon->pixmap(16,16).toWinHICON() : NULL), L"LameXP");
 153         }
 154 #endif
 155 }
 156
 157 #else //__ITaskbarList3_INTERFACE_DEFINED__
 158
 159 LAMEXP_COMPILER_WARNING("ITaskbarList3 not defined. Compiling *without* support for Win7 taskbar!")
 160 void WinSevenTaskbar::init(void) {}
 161 void WinSevenTaskbar::uninit(void) {}
 162 bool WinSevenTaskbar::handleWinEvent(MSG *message, long *result) { return false; }
 163 void WinSevenTaskbar::createInterface(void) {}
 164 bool WinSevenTaskbar::setTaskbarState(QWidget *window, WinSevenTaskbarState state) { return false; }
 165 void WinSevenTaskbar::setTaskbarProgress(QWidget *window, unsigned __int64 currentValue, unsigned __int64 maximumValue) {}
 166 void WinSevenTaskbar::setOverlayIcon(QWidget *window, QIcon *icon) {}
 167
 168 #endif //__ITaskbarList3_INTERFACE_DEFINED__