All Classes Functions Properties
launchermodel.cpp
/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Michael Zanetti <michael.zanetti@canonical.com>
*/
#include "launchermodel.h"
#include "launcheritem.h"
#include "backend/launcherbackend.h"
#include <unity/shell/application/ApplicationInfoInterface.h>
using namespace unity::shell::application;
LauncherModel::LauncherModel(QObject *parent):
LauncherModelInterface(parent),
m_backend(new LauncherBackend(this)),
m_appManager(0)
{
connect(m_backend, SIGNAL(countChanged(QString,int)), SLOT(countChanged(QString,int)));
connect(m_backend, SIGNAL(progressChanged(QString,int)), SLOT(progressChanged(QString,int)));
Q_FOREACH (const QString &entry, m_backend->storedApplications()) {
LauncherItem *item = new LauncherItem(entry,
m_backend->displayName(entry),
m_backend->icon(entry),
this);
item->setPinned(true);
m_list.append(item);
}
}
LauncherModel::~LauncherModel()
{
while (!m_list.empty()) {
m_list.takeFirst()->deleteLater();
}
}
int LauncherModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return m_list.count();
}
QVariant LauncherModel::data(const QModelIndex &index, int role) const
{
LauncherItem *item = m_list.at(index.row());
switch(role) {
case RoleAppId:
return item->appId();
case RoleName:
return item->name();
case RoleIcon:
return item->icon();
case RolePinned:
return item->pinned();
case RoleCount:
return item->count();
case RoleProgress:
return item->progress();
case RoleFocused:
return item->focused();
}
return QVariant();
}
unity::shell::launcher::LauncherItemInterface *LauncherModel::get(int index) const
{
if (index < 0 || index >= m_list.count()) {
return 0;
}
return m_list.at(index);
}
void LauncherModel::move(int oldIndex, int newIndex)
{
// Make sure its not moved outside the lists
if (newIndex < 0) {
newIndex = 0;
}
if (newIndex >= m_list.count()) {
newIndex = m_list.count()-1;
}
// Nothing to do?
if (oldIndex == newIndex) {
return;
}
// QList's and QAbstractItemModel's move implementation differ when moving an item up the list :/
// While QList needs the index in the resulting list, beginMoveRows expects it to be in the current list
// adjust the model's index by +1 in case we're moving upwards
int newModelIndex = newIndex > oldIndex ? newIndex+1 : newIndex;
beginMoveRows(QModelIndex(), oldIndex, oldIndex, QModelIndex(), newModelIndex);
m_list.move(oldIndex, newIndex);
endMoveRows();
if (!m_list.at(newIndex)->pinned()) {
pin(m_list.at(newIndex)->appId());
} else {
storeAppList();
}
}
void LauncherModel::pin(const QString &appId, int index)
{
int currentIndex = findApplication(appId);
if (currentIndex >= 0) {
if (index == -1 || index == currentIndex) {
m_list.at(currentIndex)->setPinned(true);
QModelIndex modelIndex = this->index(currentIndex);
Q_EMIT dataChanged(modelIndex, modelIndex);
} else {
move(currentIndex, index);
// move() will store the list to the backend itself, so just exit at this point.
return;
}
} else {
if (index == -1) {
index = m_list.count();
}
beginInsertRows(QModelIndex(), index, index);
LauncherItem *item = new LauncherItem(appId,
m_backend->displayName(appId),
m_backend->icon(appId));
item->setPinned(true);
m_list.insert(index, item);
endInsertRows();
}
storeAppList();
}
void LauncherModel::requestRemove(const QString &appId)
{
int index = findApplication(appId);
if (index < 0) {
return;
}
if (m_appManager->findApplication(appId)) {
m_list.at(index)->setPinned(false);
return;
}
beginRemoveRows(QModelIndex(), index, index);
m_list.takeAt(index)->deleteLater();
endRemoveRows();
storeAppList();
}
void LauncherModel::quickListActionInvoked(const QString &appId, int actionIndex)
{
int index = findApplication(appId);
if (index < 0) {
return;
}
LauncherItem *item = m_list.at(index);
QuickListModel *model = qobject_cast<QuickListModel*>(item->quickList());
if (model) {
QString actionId = model->get(actionIndex).actionId();
// Check if this is one of the launcher actions we handle ourselves
if (actionId == "pin_item") {
if (item->pinned()) {
requestRemove(appId);
} else {
pin(appId);
}
// Nope, we don't know this action, let the backend forward it to the application
} else {
m_backend->triggerQuickListAction(appId, actionId);
}
}
}
void LauncherModel::setUser(const QString &username)
{
m_backend->setUser(username);
}
ApplicationManagerInterface *LauncherModel::applicationManager() const
{
return m_appManager;
}
void LauncherModel::setApplicationManager(unity::shell::application::ApplicationManagerInterface *appManager)
{
// Is there already another appmanager set?
if (m_appManager) {
// Disconnect any signals
disconnect(this, SLOT(applicationAdded(QModelIndex,int)));
disconnect(this, SLOT(applicationRemoved(QModelIndex,int)));
disconnect(this, SLOT(focusedAppIdChanged()));
// remove any recent/running apps from the launcher
QList<int> recentAppIndices;
for (int i = 0; i < m_list.count(); ++i) {
if (m_list.at(i)->recent()) {
recentAppIndices << i;
}
}
int run = 0;
while (recentAppIndices.count() > 0) {
beginRemoveRows(QModelIndex(), recentAppIndices.first() - run, recentAppIndices.first() - run);
m_list.takeAt(recentAppIndices.first() - run)->deleteLater();
endRemoveRows();
recentAppIndices.takeFirst();
++run;
}
}
m_appManager = appManager;
connect(m_appManager, SIGNAL(rowsInserted(QModelIndex, int, int)), SLOT(applicationAdded(QModelIndex,int)));
connect(m_appManager, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)), SLOT(applicationRemoved(QModelIndex,int)));
connect(m_appManager, SIGNAL(focusedApplicationIdChanged()), SLOT(focusedAppIdChanged()));
Q_EMIT applicationManagerChanged();
for (int i = 0; i < appManager->count(); ++i) {
applicationAdded(QModelIndex(), i);
}
}
void LauncherModel::storeAppList()
{
QStringList appIds;
Q_FOREACH(LauncherItem *item, m_list) {
if (item->pinned()) {
appIds << item->appId();
}
}
m_backend->setStoredApplications(appIds);
}
int LauncherModel::findApplication(const QString &appId)
{
for (int i = 0; i < m_list.count(); ++i) {
LauncherItem *item = m_list.at(i);
if (item->appId() == appId) {
return i;
}
}
return -1;
}
void LauncherModel::progressChanged(const QString &appId, int progress)
{
int idx = findApplication(appId);
if (idx >= 0) {
LauncherItem *item = m_list.at(idx);
item->setProgress(progress);
Q_EMIT dataChanged(index(idx), index(idx), QVector<int>() << RoleProgress);
}
}
void LauncherModel::countChanged(const QString &appId, int count)
{
int idx = findApplication(appId);
if (idx >= 0) {
LauncherItem *item = m_list.at(idx);
item->setCount(count);
Q_EMIT dataChanged(index(idx), index(idx), QVector<int>() << RoleCount);
}
}
void LauncherModel::applicationAdded(const QModelIndex &parent, int row)
{
Q_UNUSED(parent);
ApplicationInfoInterface *app = m_appManager->get(row);
bool found = false;
Q_FOREACH(LauncherItem *item, m_list) {
if (app->appId() == item->appId()) {
found = true;
break;
}
}
if (found) {
// Shall we paint some running/recent app highlight? If yes, do it here.
} else {
LauncherItem *item = new LauncherItem(app->appId(), app->name(), app->icon().toString());
item->setRecent(true);
item->setFocused(app->focused());
beginInsertRows(QModelIndex(), m_list.count(), m_list.count());
m_list.append(item);
endInsertRows();
}
}
void LauncherModel::applicationRemoved(const QModelIndex &parent, int row)
{
Q_UNUSED(parent)
int appIndex = -1;
for (int i = 0; i < m_list.count(); ++i) {
if (m_list.at(i)->appId() == m_appManager->get(row)->appId()) {
appIndex = i;
break;
}
}
if (appIndex > -1 && !m_list.at(appIndex)->pinned()) {
beginRemoveRows(QModelIndex(), appIndex, appIndex);
m_list.takeAt(appIndex)->deleteLater();
endRemoveRows();
}
}
void LauncherModel::focusedAppIdChanged()
{
QString appId = m_appManager->focusedApplicationId();
for (int i = 0; i < m_list.count(); ++i) {
LauncherItem *item = m_list.at(i);
if (!item->focused() && item->appId() == appId) {
item->setFocused(true);
Q_EMIT dataChanged(index(i), index(i), QVector<int>() << RoleFocused);
} else if (item->focused() && item->appId() != appId) {
item->setFocused(false);
Q_EMIT dataChanged(index(i), index(i), QVector<int>() << RoleFocused);
}
}
}