Some clean-up and simplification for JobObject class.
[MUtilities.git] / src / Taskbar7_Win32.cpp
blob10f93a129ef6cff1caf7a785caa65a1522388591
1 ///////////////////////////////////////////////////////////////////////////////
2 // MuldeR's Utilities for Qt
3 // Copyright (C) 2004-2016 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.
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.
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.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 //MUtils
24 #include <MUtils/Taskbar7.h>
25 #include <MUtils/OSSupport.h>
26 #include <MUtils/Exception.h>
28 //Qt
29 #include <QWidget>
30 #include <QIcon>
32 //Windows includes
33 #define NOMINMAX
34 #define WIN32_LEAN_AND_MEAN 1
35 #include <Windows.h>
36 #include <ShObjIdl.h>
38 ///////////////////////////////////////////////////////////////////////////////
39 // UNTILITIES
40 ///////////////////////////////////////////////////////////////////////////////
42 #define INITIALIZE_TASKBAR() do \
43 { \
44 if(!p->supported) \
45 { \
46 return false; \
47 } \
48 if(!(p->initialized || initialize())) \
49 { \
50 qWarning("Taskbar initialization failed!"); \
51 return false; \
52 } \
53 } \
54 while(0)
56 ///////////////////////////////////////////////////////////////////////////////
57 // PRIVATE DATA
58 ///////////////////////////////////////////////////////////////////////////////
60 namespace MUtils
62 class Taskbar7_Private
64 friend class Taskbar7;
66 protected:
67 Taskbar7_Private(void)
69 taskbarList = NULL;
70 supported = false;
71 initialized = false;
74 ITaskbarList3 *taskbarList;
75 volatile bool supported;
76 volatile bool initialized;
80 ///////////////////////////////////////////////////////////////////////////////
81 // CONSTRUCTOR & DESTRUCTOR
82 ///////////////////////////////////////////////////////////////////////////////
84 MUtils::Taskbar7::Taskbar7(QWidget *const window)
86 p(new Taskbar7_Private()),
87 m_window(window)
89 if(!m_window)
91 MUTILS_THROW("Taskbar7: Window pointer must not be NULL!");
93 if(!(p->supported = (OS::os_version() >= OS::Version::WINDOWS_WIN70)))
95 qWarning("Taskbar7: Taskbar progress not supported on this platform.");
99 MUtils::Taskbar7::~Taskbar7(void)
101 if(p->taskbarList)
103 p->taskbarList->Release();
104 p->taskbarList = NULL;
107 delete p;
110 ///////////////////////////////////////////////////////////////////////////////
111 // PUBLIC INTERFACE
112 ///////////////////////////////////////////////////////////////////////////////
114 bool MUtils::Taskbar7::setTaskbarState(const taskbarState_t &state)
116 INITIALIZE_TASKBAR();
117 HRESULT result = HRESULT(-1);
119 switch(state)
121 case TASKBAR_STATE_NONE:
122 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_NOPROGRESS);
123 break;
124 case TASKBAR_STATE_NORMAL:
125 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_NORMAL);
126 break;
127 case TASKBAR_STATE_INTERMEDIATE:
128 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_INDETERMINATE);
129 break;
130 case TASKBAR_STATE_PAUSED:
131 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_ERROR);
132 break;
133 case TASKBAR_STATE_ERROR:
134 result = p->taskbarList->SetProgressState(reinterpret_cast<HWND>(m_window->winId()), TBPF_PAUSED);
135 break;
136 default:
137 MUTILS_THROW("Taskbar7: Invalid taskbar state specified!");
140 return SUCCEEDED(result);
143 bool MUtils::Taskbar7::setTaskbarProgress(const quint64 &currentValue, const quint64 &maximumValue)
145 INITIALIZE_TASKBAR();
146 const HRESULT result = p->taskbarList->SetProgressValue(reinterpret_cast<HWND>(m_window->winId()), currentValue, maximumValue);
147 return SUCCEEDED(result);
150 bool MUtils::Taskbar7::setOverlayIcon(const QIcon *const icon, const QString &info)
152 INITIALIZE_TASKBAR();
153 HRESULT result = HRESULT(-1);
154 if(icon)
156 if(const HICON hIcon = icon->pixmap(16,16).toWinHICON())
158 result = p->taskbarList->SetOverlayIcon(m_window->winId(), hIcon, MUTILS_WCHR(info));
159 DestroyIcon(hIcon);
162 else
164 result = p->taskbarList->SetOverlayIcon(m_window->winId(), NULL, MUTILS_WCHR(info));
166 return SUCCEEDED(result);
169 ///////////////////////////////////////////////////////////////////////////////
170 // INTERNAL
171 ///////////////////////////////////////////////////////////////////////////////
173 bool MUtils::Taskbar7::initialize(void)
175 while(!p->taskbarList)
177 ITaskbarList3 *ptbl = NULL;
178 const HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&ptbl));
179 if(!SUCCEEDED(hr))
181 qWarning("ITaskbarList3 could not be created!");
182 return false;
184 p->taskbarList = ptbl;
187 while(!p->initialized)
189 bool okay = false;
190 for(int i = 0; i < 8; i++)
192 if(SUCCEEDED(p->taskbarList->HrInit()))
194 okay = true;
195 break;
197 Sleep(1);
199 if(!okay)
201 qWarning("ITaskbarList3::HrInit() has failed!");
202 return false;
204 p->initialized = true;
207 return true;