src/Taskbar7_Win32.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2017 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(!(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                         supported   = false;
  77                         initialized = false;
  78                 }
  79
  80                 ITaskbarList3 *taskbarList;
  81                 volatile bool supported;
  82                 volatile bool initialized;
  83         };
  84 }
  85
  86 ///////////////////////////////////////////////////////////////////////////////
  87 // CONSTRUCTOR & DESTRUCTOR
  88 ///////////////////////////////////////////////////////////////////////////////
  89
  90 MUtils::Taskbar7::Taskbar7(QWidget *const window)
  91 :
  92         p(new Taskbar7_Private()),
  93         m_window(window)
  94 {
  95         if(!m_window)
  96         {
  97                 MUTILS_THROW("Taskbar7: Window pointer must not be NULL!");
  98         }
  99         if(!(p->supported = (OS::os_version() >= OS::Version::WINDOWS_WIN70)))
 100         {
 101                 qWarning("Taskbar7: Taskbar progress not supported on this platform.");
 102         }
 103 }
 104
 105 MUtils::Taskbar7::~Taskbar7(void)
 106 {
 107         if(p->taskbarList)
 108         {
 109                 p->taskbarList->Release();
 110                 p->taskbarList = NULL;
 111         }
 112
 113         delete p;
 114 }
 115
 116 ///////////////////////////////////////////////////////////////////////////////
 117 // PUBLIC INTERFACE
 118 ///////////////////////////////////////////////////////////////////////////////
 119
 120 bool MUtils::Taskbar7::setTaskbarState(const taskbarState_t &state)
 121 {
 122         INITIALIZE_TASKBAR();
 123         HRESULT result = HRESULT(-1);
 124
 125         switch(state)
 126         {
 127         case TASKBAR_STATE_NONE:
 128                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_NOPROGRESS);
 129                 break;
 130         case TASKBAR_STATE_NORMAL:
 131                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_NORMAL);
 132                 break;
 133         case TASKBAR_STATE_INTERMEDIATE:
 134                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_INDETERMINATE);
 135                 break;
 136         case TASKBAR_STATE_PAUSED:
 137                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_ERROR);
 138                 break;
 139         case TASKBAR_STATE_ERROR:
 140                 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_PAUSED);
 141                 break;
 142         default:
 143                 MUTILS_THROW("Taskbar7: Invalid taskbar state specified!");
 144         }
 145
 146         return SUCCEEDED(result);
 147 }
 148
 149 bool MUtils::Taskbar7::setTaskbarProgress(const quint64 &currentValue, const quint64 &maximumValue)
 150 {
 151         INITIALIZE_TASKBAR();
 152         const HRESULT result = p->taskbarList->SetProgressValue(reinterpret_cast<HWND>(m_window->winId()), currentValue, maximumValue);
 153         return SUCCEEDED(result);
 154 }
 155
 156 bool MUtils::Taskbar7::setOverlayIcon(const QIcon *const icon, const QString &info)
 157 {
 158         INITIALIZE_TASKBAR();
 159         HRESULT result = HRESULT(-1);
 160         if(icon)
 161         {
 162                 if(const HICON hIcon = (HICON)MUtils::Win32Utils::qicon_to_hicon(icon, 16, 16))
 163                 {
 164                         result = p->taskbarList->SetOverlayIcon(reinterpret_cast<HWND>(m_window->winId()), hIcon, MUTILS_WCHR(info));
 165                         DestroyIcon(hIcon);
 166                 }
 167         }
 168         else
 169         {
 170                 result = p->taskbarList->SetOverlayIcon(reinterpret_cast<HWND>(m_window->winId()), NULL, MUTILS_WCHR(info));
 171         }
 172         return SUCCEEDED(result);
 173 }
 174
 175 ///////////////////////////////////////////////////////////////////////////////
 176 // INTERNAL
 177 ///////////////////////////////////////////////////////////////////////////////
 178
 179 bool MUtils::Taskbar7::initialize(void)
 180 {
 181         while(!p->taskbarList)
 182         {
 183                 ITaskbarList3 *ptbl = NULL;
 184                 const HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&ptbl));
 185                 if(!SUCCEEDED(hr))
 186                 {
 187                         qWarning("ITaskbarList3 could not be created!");
 188                         return false;
 189                 }
 190                 p->taskbarList = ptbl;
 191         }
 192
 193         while(!p->initialized)
 194         {
 195                 bool okay = false;
 196                 for(int i = 0; i < 8; i++)
 197                 {
 198                         if(SUCCEEDED(p->taskbarList->HrInit()))
 199                         {
 200                                 okay = true;
 201                                 break;
 202                         }
 203                         Sleep(1);
 204                 }
 205                 if(!okay)
 206                 {
 207                         qWarning("ITaskbarList3::HrInit() has failed!");
 208                         return false;
 209                 }
 210                 p->initialized = true;
 211         }
 212
 213         return true;
 214 }