src/Taskbar7_Win32.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2019 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, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 //MUtils
  24 #include <MUtils/Taskbar7.h>
  25 #include <MUtils/OSSupport.h>
  26 #include <MUtils/Exception.h>
  27
  28 //Internal
  29 #include "Utils_Win32.h"
  30
  31 //Qt
  32 #include <QWidget>
  33 #include <QIcon>
  34 #if QT_VERSION > QT_VERSION_CHECK(5,0,0)
  35 #include <QtWinExtras>
  36 #endif
  37
  38 //Windows includes
  39 #define NOMINMAX
  40 #define WIN32_LEAN_AND_MEAN 1
  41 #include <Windows.h>
  42 #include <ShObjIdl.h>
  43
  44 ///////////////////////////////////////////////////////////////////////////////
  45 // UNTILITIES
  46 ///////////////////////////////////////////////////////////////////////////////
  47
  48 #define INITIALIZE_TASKBAR() do \
  49 { \
  50         if(!p->supported) \
  51         { \
  52                 return false; \
  53         } \
  54         if(!(MUTILS_BOOLIFY(p->initialized) || initialize())) \
  55         { \
  56                 qWarning("Taskbar initialization failed!"); \
  57                 return false; \
  58         } \
  59 } \
  60 while(0)
  61
  62 ///////////////////////////////////////////////////////////////////////////////
  63 // PRIVATE DATA
  64 ///////////////////////////////////////////////////////////////////////////////
  65
  66 namespace MUtils
  67 {
  68         class Taskbar7_Private
  69         {
  70                 friend class Taskbar7;
  71
  72         protected:
  73                 Taskbar7_Private(void)
  74                 {
  75                         taskbarList = NULL;
  76                 }
  77
  78                 ITaskbarList3 *taskbarList;
  79                 QAtomicInt supported;
  80                 QAtomicInt initialized;
  81         };
  82 }
  83
  84 ///////////////////////////////////////////////////////////////////////////////
  85 // CONSTRUCTOR & DESTRUCTOR
  86 ///////////////////////////////////////////////////////////////////////////////
  87
  88 MUtils::Taskbar7::Taskbar7(QWidget *const window)
  89 :
  90         p(new Taskbar7_Private()),
  91         m_window(window)
  92 {
  93         if(!m_window)
  94         {
  95                 MUTILS_THROW("Taskbar7: Window pointer must not be NULL!");
  96         }
  97         if (!p->supported)
  98         {
  99                 if (OS::os_version() >= OS::Version::WINDOWS_WIN70)
 100                 {
 101                         p->supported.ref();
 102                 }
 103                 else
 104                 {
 105                         qWarning("Taskbar7: Taskbar progress not supported on this platform.");
 106                 }
 107         }
 108 }
 109
 110 MUtils::Taskbar7::~Taskbar7(void)
 111 {
 112         if(p->taskbarList)
 113         {
 114                 p->taskbarList->Release();
 115                 p->taskbarList = NULL;
 116         }
 117
 118         delete p;
 119 }
 120
 121 ///////////////////////////////////////////////////////////////////////////////
 122 // PUBLIC INTERFACE
 123 ///////////////////////////////////////////////////////////////////////////////
 124
 125 bool MUtils::Taskbar7::setTaskbarState(const taskbarState_t &state)
 126 {
 127         INITIALIZE_TASKBAR();
 128         HRESULT result = HRESULT(-1);
 129
 130         switch(state)
 131         {
 132         case TASKBAR_STATE_NONE:
 133                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_NOPROGRESS);
 134                 break;
 135         case TASKBAR_STATE_NORMAL:
 136                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_NORMAL);
 137                 break;
 138         case TASKBAR_STATE_INTERMEDIATE:
 139                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_INDETERMINATE);
 140                 break;
 141         case TASKBAR_STATE_PAUSED:
 142                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_ERROR);
 143                 break;
 144         case TASKBAR_STATE_ERROR:
 145                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_PAUSED);
 146                 break;
 147         default:
 148                 MUTILS_THROW("Taskbar7: Invalid taskbar state specified!");
 149         }
 150
 151         return SUCCEEDED(result);
 152 }
 153
 154 bool MUtils::Taskbar7::setTaskbarProgress(const quint64 &currentValue, const quint64 &maximumValue)
 155 {
 156         INITIALIZE_TASKBAR();
 157         const HRESULT result = p->taskbarList->SetProgressValue(reinterpret_cast<HWND>(m_window->winId()), currentValue, maximumValue);
 158         return SUCCEEDED(result);
 159 }
 160
 161 bool MUtils::Taskbar7::setOverlayIcon(const QIcon *const icon, const QString &info)
 162 {
 163         INITIALIZE_TASKBAR();
 164         HRESULT result = HRESULT(-1);
 165         if(icon)
 166         {
 167                 if(const HICON hIcon = (HICON)MUtils::Win32Utils::qicon_to_hicon(icon, 16, 16))
 168                 {
 169                         result = p->taskbarList->SetOverlayIcon(reinterpret_cast<HWND>(m_window->winId()), hIcon, MUTILS_WCHR(info));
 170                         DestroyIcon(hIcon);
 171                 }
 172         }
 173         else
 174         {
 175                 result = p->taskbarList->SetOverlayIcon(reinterpret_cast<HWND>(m_window->winId()), NULL, MUTILS_WCHR(info));
 176         }
 177         return SUCCEEDED(result);
 178 }
 179
 180 ///////////////////////////////////////////////////////////////////////////////
 181 // INTERNAL
 182 ///////////////////////////////////////////////////////////////////////////////
 183
 184 bool MUtils::Taskbar7::initialize(void)
 185 {
 186         while(!p->taskbarList)
 187         {
 188                 ITaskbarList3 *ptbl = NULL;
 189                 const HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&ptbl));
 190                 if(!SUCCEEDED(hr))
 191                 {
 192                         qWarning("ITaskbarList3 could not be created!");
 193                         return false;
 194                 }
 195                 p->taskbarList = ptbl;
 196         }
 197
 198         if(!p->initialized)
 199         {
 200                 bool okay = false;
 201                 for(int i = 0; i < 8; i++)
 202                 {
 203                         if(SUCCEEDED(p->taskbarList->HrInit()))
 204                         {
 205                                 okay = true;
 206                                 break;
 207                         }
 208                         Sleep(1);
 209                 }
 210                 if(!okay)
 211                 {
 212                         qWarning("ITaskbarList3::HrInit() has failed!");
 213                         return false;
 214                 }
 215                 p->initialized.ref(); /*success*/
 216         }
 217
 218         return true;
 219 }