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/*
* Copyright (C) 2017 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Workspace.h"
#include "WorkspaceModel.h"
#include "WorkspaceManager.h"
#include "TopLevelWindowModel.h"
#include "Screen.h"
#include "wmpolicyinterface.h"
int nextWorkspace = 0;
Workspace::Workspace(QObject *parent)
: QObject(parent)
, m_workspace(WMPolicyInterface::instance()->createWorkspace())
, m_model(nullptr)
{
setObjectName((QString("Wks%1").arg(nextWorkspace++)));
}
Workspace::Workspace(const Workspace &other)
: QObject(nullptr)
, m_workspace(other.m_workspace)
, m_model(nullptr)
{
setObjectName(other.objectName());
connect(&other, &Workspace::activeChanged, this, &Workspace::activeChanged);
}
Workspace::~Workspace()
{
if (m_model) {
m_model->remove(this);
}
}
void Workspace::assign(WorkspaceModel *model, const QVariant& vIndex)
{
if (m_model == model) return;
if (m_model) {
disconnect(m_model, 0, this, 0);
m_model->remove(this);
}
m_model = model;
if (model) {
int index = m_model->rowCount();
if (vIndex.isValid() && vIndex.canConvert(QVariant::Int)) {
index = vIndex.toInt();
}
m_model->insert(index, this);
connect(m_model, &QObject::destroyed, this, [this]() {
m_model = nullptr;
Q_EMIT unassigned();
});
Q_EMIT assigned();
} else {
Q_EMIT unassigned();
}
}
void Workspace::unassign()
{
assign(nullptr);
}
bool Workspace::isAssigned() const
{
return m_model != nullptr;
}
bool Workspace::isSameAs(Workspace *wks) const
{
if (!wks) return false;
if (wks == this) return true;
return wks->workspace() == workspace();
}
ConcreteWorkspace::ConcreteWorkspace(QObject *parent)
: Workspace(parent)
, m_active(false)
, m_windowModel(new TopLevelWindowModel(this))
{
connect(WorkspaceManager::instance(), &WorkspaceManager::activeWorkspaceChanged, this, [this](Workspace* activeWorkspace) {
bool newActive = activeWorkspace == this;
if (newActive != m_active) {
m_active = newActive;
Q_EMIT activeChanged(m_active);
if (m_active) {
WMPolicyInterface::instance()->setActiveWorkspace(m_workspace);
}
}
});
}
ConcreteWorkspace::~ConcreteWorkspace()
{
WorkspaceManager::instance()->destroyWorkspace(this);
WMPolicyInterface::instance()->releaseWorkspace(m_workspace);
}
TopLevelWindowModel *ConcreteWorkspace::windowModel() const
{
return m_windowModel.data();
}
void ConcreteWorkspace::activate()
{
WorkspaceManager::instance()->setActiveWorkspace(this);
}
void ConcreteWorkspace::setCurrentOn(Screen *screen)
{
if (screen) {
screen->setCurrentWorkspace(this);
}
}
ProxyWorkspace::ProxyWorkspace(Workspace * const workspace)
: Workspace(*workspace)
, m_original(workspace)
{
}
void ProxyWorkspace::assign(WorkspaceModel *model, const QVariant &index)
{
Workspace::assign(model, index);
}
void ProxyWorkspace::unassign()
{
Workspace::unassign();
}
bool ProxyWorkspace::isActive() const
{
return m_original ? m_original->isActive() : false;
}
TopLevelWindowModel *ProxyWorkspace::windowModel() const
{
return m_original ? m_original->windowModel() : nullptr;
}
void ProxyWorkspace::activate()
{
if (m_original) {
m_original->activate();
}
}
void ProxyWorkspace::setCurrentOn(Screen *screen)
{
if (screen && m_original) {
screen->setCurrentWorkspace(m_original);
}
}
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