ladybird/Userland/Libraries/LibGUI/RunningProcessesModel.cpp
2021-01-12 12:17:46 +01:00

118 lines
3.5 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/SharedBuffer.h>
#include <LibCore/ProcessStatisticsReader.h>
#include <LibGUI/FileIconProvider.h>
#include <LibGUI/RunningProcessesModel.h>
namespace GUI {
NonnullRefPtr<RunningProcessesModel> RunningProcessesModel::create()
{
return adopt(*new RunningProcessesModel);
}
RunningProcessesModel::RunningProcessesModel()
{
}
RunningProcessesModel::~RunningProcessesModel()
{
}
void RunningProcessesModel::update()
{
m_processes.clear();
Core::ProcessStatisticsReader reader;
auto processes = reader.get_all();
if (processes.has_value()) {
for (auto& it : processes.value()) {
Process process;
process.pid = it.value.pid;
process.uid = it.value.uid;
process.icon = FileIconProvider::icon_for_executable(it.value.executable).bitmap_for_size(16);
process.name = it.value.name;
m_processes.append(move(process));
}
}
did_update();
}
int RunningProcessesModel::row_count(const GUI::ModelIndex&) const
{
return m_processes.size();
}
int RunningProcessesModel::column_count(const GUI::ModelIndex&) const
{
return Column::__Count;
}
String RunningProcessesModel::column_name(int column_index) const
{
switch (column_index) {
case Column::Icon:
return {};
case Column::PID:
return "PID";
case Column::UID:
return "UID";
case Column::Name:
return "Name";
}
ASSERT_NOT_REACHED();
}
GUI::Variant RunningProcessesModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
{
auto& process = m_processes[index.row()];
if (role == ModelRole::Custom) {
return process.pid;
}
if (role == ModelRole::Display) {
switch (index.column()) {
case Column::Icon:
if (!process.icon)
return GUI::Icon();
return GUI::Icon(*process.icon);
case Column::PID:
return process.pid;
case Column::UID:
return process.uid;
case Column::Name:
return process.name;
}
ASSERT_NOT_REACHED();
}
return {};
}
}