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launchermodel.cpp
/*
* Copyright 2013-2016 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/>.
*/
#include "launchermodel.h"
#include "launcheritem.h"
#include "gsettings.h"
#include "dbusinterface.h"
#include "asadapter.h"
#include "ualwrapper.h"
#include <lomiri/shell/application/ApplicationInfoInterface.h>
#include <lomiri/shell/application/MirSurfaceListInterface.h>
#include <lomiri/shell/application/MirSurfaceInterface.h>
#include <QDesktopServices>
#include <QDebug>
using namespace lomiri::shell::application;
LauncherModel::LauncherModel(QObject *parent):
LauncherModelInterface(parent),
m_settings(new GSettings(this)),
m_dbusIface(new DBusInterface(this)),
m_asAdapter(new ASAdapter()),
m_appManager(nullptr)
{
connect(m_dbusIface, &DBusInterface::countChanged, this, &LauncherModel::countChanged);
connect(m_dbusIface, &DBusInterface::countVisibleChanged, this, &LauncherModel::countVisibleChanged);
connect(m_dbusIface, &DBusInterface::progressChanged, this, &LauncherModel::progressChanged);
connect(m_dbusIface, &DBusInterface::refreshCalled, this, &LauncherModel::refresh);
connect(m_dbusIface, &DBusInterface::alertCalled, this, &LauncherModel::alert);
connect(m_settings, &GSettings::changed, this, &LauncherModel::refresh);
refresh();
}
LauncherModel::~LauncherModel()
{
while (!m_list.empty()) {
m_list.takeFirst()->deleteLater();
}
delete m_asAdapter;
}
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 RoleCountVisible:
return item->countVisible();
case RoleProgress:
return item->progress();
case RoleFocused:
return item->focused();
case RoleAlerting:
return item->alerting();
case RoleRunning:
return item->running();
case RoleSurfaceCount:
return item->surfaceCount();
default:
qWarning() << Q_FUNC_INFO << "missing role, implement me";
return QVariant();
}
return QVariant();
}
lomiri::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, {RolePinned});
} 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();
}
UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(appId);
if (!appInfo.valid) {
qWarning() << "Can't pin application, appId not found:" << appId;
return;
}
beginInsertRows(QModelIndex(), index, index);
LauncherItem *item = new LauncherItem(appId,
appInfo.name,
appInfo.icon,
this);
item->setPinned(true);
item->setPopularity(appInfo.popularity);
m_list.insert(index, item);
endInsertRows();
}
storeAppList();
}
void LauncherModel::requestRemove(const QString &appId)
{
unpin(appId);
storeAppList();
}
void LauncherModel::quickListActionInvoked(const QString &appId, int actionIndex)
{
const int index = findApplication(appId);
if (index < 0) {
return;
}
LauncherItem *item = m_list.at(index);
QuickListModel *model = qobject_cast<QuickListModel*>(item->quickList());
if (model) {
const QString actionId = model->get(actionIndex).actionId();
// Check if this is one of the launcher actions we handle ourselves
if (actionId == QLatin1String("pin_item")) {
if (item->pinned()) {
requestRemove(appId);
} else {
pin(appId);
}
} else if (actionId == QStringLiteral("launch_item")) {
QDesktopServices::openUrl(getUrlForAppId(appId));
} else if (actionId == QStringLiteral("stop_item")) { // Quit
if (m_appManager) {
m_appManager->stopApplication(appId);
}
} else if (actionId.startsWith(QStringLiteral("surface_"))){
ApplicationInfoInterface *appInfo = m_appManager->findApplication(appId);
if (appInfo) {
for (int i = 0; i < appInfo->surfaceList()->count(); ++i) {
MirSurfaceInterface *iface = appInfo->surfaceList()->get(i);
QString id = actionId;
id.remove(QRegExp("^surface_"));
if (id == iface->persistentId()) {
iface->activate();
}
}
} else {
qWarning() << "App for" << appId << "not found in launcher. Cannot invoke quicklist action";
}
// Nope, we don't know this action, let the backend forward it to the application
} else {
// TODO: forward quicklist action to app, possibly via m_dbusIface
}
}
}
void LauncherModel::setUser(const QString &username)
{
Q_UNUSED(username)
}
QString LauncherModel::getUrlForAppId(const QString &appId) const
{
// appId is either an appId or a legacy app name. Let's find out which
if (appId.isEmpty()) {
return QString();
}
if (!appId.contains('_')) {
return "application:///" + appId + ".desktop";
}
QStringList parts = appId.split('_');
QString package = parts.value(0);
QString app = parts.value(1, QStringLiteral("first-listed-app"));
return "appid://" + package + "/" + app + "/current-user-version";
}
ApplicationManagerInterface *LauncherModel::applicationManager() const
{
return m_appManager;
}
void LauncherModel::setApplicationManager(lomiri::shell::application::ApplicationManagerInterface *appManager)
{
// Is there already another appmanager set?
if (m_appManager) {
// Disconnect any signals
disconnect(this, &LauncherModel::applicationAdded, 0, nullptr);
disconnect(this, &LauncherModel::applicationRemoved, 0, nullptr);
disconnect(this, &LauncherModel::focusedAppIdChanged, 0, nullptr);
// 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, &ApplicationManagerInterface::rowsInserted, this, &LauncherModel::applicationAdded);
connect(m_appManager, &ApplicationManagerInterface::rowsAboutToBeRemoved, this, &LauncherModel::applicationRemoved);
connect(m_appManager, &ApplicationManagerInterface::focusedApplicationIdChanged, this, &LauncherModel::focusedAppIdChanged);
Q_EMIT applicationManagerChanged();
for (int i = 0; i < appManager->count(); ++i) {
applicationAdded(QModelIndex(), i);
}
}
bool LauncherModel::onlyPinned() const
{
return false;
}
void LauncherModel::setOnlyPinned(bool onlyPinned) {
Q_UNUSED(onlyPinned);
qWarning() << "This launcher implementation does not support showing only pinned apps";
}
void LauncherModel::storeAppList()
{
QStringList appIds;
Q_FOREACH(LauncherItem *item, m_list) {
if (item->pinned()) {
appIds << item->appId();
}
}
m_settings->setStoredApplications(appIds);
m_asAdapter->syncItems(m_list);
}
void LauncherModel::unpin(const QString &appId)
{
const int index = findApplication(appId);
if (index < 0) {
return;
}
if (m_appManager->findApplication(appId)) {
if (m_list.at(index)->pinned()) {
m_list.at(index)->setPinned(false);
QModelIndex modelIndex = this->index(index);
Q_EMIT dataChanged(modelIndex, modelIndex, {RolePinned});
}
} else {
beginRemoveRows(QModelIndex(), index, index);
m_list.takeAt(index)->deleteLater();
endRemoveRows();
}
}
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)
{
const int idx = findApplication(appId);
if (idx >= 0) {
LauncherItem *item = m_list.at(idx);
item->setProgress(progress);
Q_EMIT dataChanged(index(idx), index(idx), {RoleProgress});
}
}
void LauncherModel::countChanged(const QString &appId, int count)
{
const int idx = findApplication(appId);
if (idx >= 0) {
LauncherItem *item = m_list.at(idx);
item->setCount(count);
QVector<int> changedRoles = {RoleCount};
if (item->countVisible() && !item->alerting() && !item->focused()) {
changedRoles << RoleAlerting;
item->setAlerting(true);
}
m_asAdapter->syncItems(m_list);
Q_EMIT dataChanged(index(idx), index(idx), changedRoles);
}
}
void LauncherModel::countVisibleChanged(const QString &appId, bool countVisible)
{
int idx = findApplication(appId);
if (idx >= 0) {
LauncherItem *item = m_list.at(idx);
item->setCountVisible(countVisible);
QVector<int> changedRoles = {RoleCountVisible};
if (countVisible && !item->alerting() && !item->focused()) {
changedRoles << RoleAlerting;
item->setAlerting(true);
}
Q_EMIT dataChanged(index(idx), index(idx), changedRoles);
// If countVisible goes to false, and the item is neither pinned nor recent we can drop it
if (!countVisible && !item->pinned() && !item->recent()) {
beginRemoveRows(QModelIndex(), idx, idx);
m_list.takeAt(idx)->deleteLater();
endRemoveRows();
}
} else {
// Need to create a new LauncherItem and show the highlight
UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(appId);
if (countVisible && appInfo.valid) {
LauncherItem *item = new LauncherItem(appId,
appInfo.name,
appInfo.icon,
this);
item->setCountVisible(true);
beginInsertRows(QModelIndex(), m_list.count(), m_list.count());
m_list.append(item);
endInsertRows();
}
}
m_asAdapter->syncItems(m_list);
}
void LauncherModel::refresh()
{
// First walk through all the existing items and see if we need to remove something
QList<LauncherItem*> toBeRemoved;
Q_FOREACH (LauncherItem* item, m_list) {
UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(item->appId());
if (!appInfo.valid) {
// Application no longer available => drop it!
toBeRemoved << item;
} else if (!m_settings->storedApplications().contains(item->appId())) {
// Item not in settings any more => drop it!
toBeRemoved << item;
} else {
int idx = m_list.indexOf(item);
item->setName(appInfo.name);
item->setPinned(item->pinned()); // update pinned text if needed
item->setRunning(item->running());
Q_EMIT dataChanged(index(idx), index(idx), {RoleName, RoleRunning});
const QString oldIcon = item->icon();
if (oldIcon == appInfo.icon) { // same icon file, perhaps different contents, simulate changing the icon name to force reload
item->setIcon(QString());
Q_EMIT dataChanged(index(idx), index(idx), {RoleIcon});
}
// now set the icon for real
item->setIcon(appInfo.icon);
Q_EMIT dataChanged(index(idx), index(idx), {RoleIcon});
}
}
Q_FOREACH (LauncherItem* item, toBeRemoved) {
unpin(item->appId());
}
bool changed = toBeRemoved.count() > 0;
// This brings the Launcher into sync with the settings backend again. There's an issue though:
// If we can't find a .desktop file for an entry we need to skip it. That makes our settingsIndex
// go out of sync with the actual index of items. So let's also use an addedIndex which reflects
// the settingsIndex minus the skipped items.
int addedIndex = 0;
// Now walk through settings and see if we need to add something
for (int settingsIndex = 0; settingsIndex < m_settings->storedApplications().count(); ++settingsIndex) {
const QString entry = m_settings->storedApplications().at(settingsIndex);
int itemIndex = -1;
for (int i = 0; i < m_list.count(); ++i) {
if (m_list.at(i)->appId() == entry) {
itemIndex = i;
break;
}
}
if (itemIndex == -1) {
// Need to add it. Just add it into the addedIndex to keep same ordering as the list
// in the settings.
UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(entry);
if (!appInfo.valid) {
continue;
}
LauncherItem *item = new LauncherItem(entry,
appInfo.name,
appInfo.icon,
this);
item->setPinned(true);
beginInsertRows(QModelIndex(), addedIndex, addedIndex);
m_list.insert(addedIndex, item);
endInsertRows();
changed = true;
} else if (itemIndex != addedIndex) {
// The item is already there, but it is in a different place than in the settings.
// Move it to the addedIndex
beginMoveRows(QModelIndex(), itemIndex, itemIndex, QModelIndex(), addedIndex);
m_list.move(itemIndex, addedIndex);
endMoveRows();
changed = true;
}
// Just like settingsIndex, this will increase with every item, except the ones we
// skipped with the "continue" call above.
addedIndex++;
}
if (changed) {
Q_EMIT hint();
}
m_asAdapter->syncItems(m_list);
}
void LauncherModel::alert(const QString &appId)
{
int idx = findApplication(appId);
if (idx >= 0) {
LauncherItem *item = m_list.at(idx);
if (!item->focused() && !item->alerting()) {
item->setAlerting(true);
Q_EMIT dataChanged(index(idx), index(idx), {RoleAlerting});
}
}
}
void LauncherModel::applicationAdded(const QModelIndex &parent, int row)
{
Q_UNUSED(parent);
ApplicationInfoInterface *app = m_appManager->get(row);
if (!app) {
qWarning() << "LauncherModel received an applicationAdded signal, but there's no such application!";
return;
}
const int itemIndex = findApplication(app->appId());
if (itemIndex != -1) {
LauncherItem *item = m_list.at(itemIndex);
if (!item->recent()) {
item->setRecent(true);
Q_EMIT dataChanged(index(itemIndex), index(itemIndex), {RoleRecent});
}
item->setRunning(true);
} else if (app->surfaceCount() > 0) {
LauncherItem *item = new LauncherItem(app->appId(), app->name(), app->icon().toString(), this);
item->setRecent(true);
item->setRunning(true);
item->setFocused(app->focused());
beginInsertRows(QModelIndex(), m_list.count(), m_list.count());
m_list.append(item);
endInsertRows();
}
connect(app, &ApplicationInfoInterface::surfaceCountChanged, this, &LauncherModel::updateSurfaceList);
m_asAdapter->syncItems(m_list);
Q_EMIT dataChanged(index(itemIndex), index(itemIndex), {RoleRunning});
}
void LauncherModel::updateSurfaceList()
{
ApplicationInfoInterface *app = static_cast<ApplicationInfoInterface*>(sender());
updateSurfaceListForApp(app);
}
void LauncherModel::updateSurfaceListForSurface()
{
MirSurfaceInterface *iface = static_cast<MirSurfaceInterface*>(sender());
ApplicationInfoInterface* app = m_appManager->findApplication(iface->appId());
if (!app) {
return;
}
updateSurfaceListForApp(app);
}
void LauncherModel::updateSurfaceListForApp(ApplicationInfoInterface* app)
{
LauncherItem *item = nullptr;
int idx = findApplication(app->appId());
if (idx < 0) {
qWarning() << "Received a surface count changed event from an app that's not in the Launcher model, creating icon...";
item = new LauncherItem(app->appId(), app->name(), app->icon().toString(), this);
item->setRecent(true);
item->setRunning(true);
item->setFocused(app->focused());
beginInsertRows(QModelIndex(), m_list.count(), m_list.count());
m_list.append(item);
endInsertRows();
m_asAdapter->syncItems(m_list);
// Now it should be in the model, this one should have a high success rate in finding the app.
idx = findApplication(app->appId());
}
// Only delete if we're sure it's not in the list.
if (idx < 0) {
qWarning() << "Couldn't create launcher icon.";
if (item) {
beginRemoveRows(QModelIndex(), m_list.count() - 1, m_list.count() - 1);
m_list.removeLast();
endRemoveRows();
delete item;
}
return;
}
item = m_list.at(idx);
if (!item->pinned() && item->running() && app->surfaceCount() <= 0) {
beginRemoveRows(QModelIndex(), idx, idx);
m_list.takeAt(idx)->deleteLater();
endRemoveRows();
m_asAdapter->syncItems(m_list);
return;
}
QList<QPair<QString, QString> > surfaces;
for (int i = 0; i < app->surfaceList()->count(); ++i) {
MirSurfaceInterface* iface = app->surfaceList()->get(i);
if (iface->type() == Mir::NormalType || iface->type() == Mir::DialogType) {
// Avoid duplicate connections, so let's just disconnect first to be sure
disconnect(iface, &MirSurfaceInterface::nameChanged, this, &LauncherModel::updateSurfaceListForSurface);
connect(iface, &MirSurfaceInterface::nameChanged, this, &LauncherModel::updateSurfaceListForSurface);
QString name = iface->name();
if (name.isEmpty()) {
name = app->name();
}
surfaces.append({iface->persistentId(), name});
}
}
item->setSurfaces(surfaces);
Q_EMIT dataChanged(index(idx), index(idx), {RoleSurfaceCount});
}
void LauncherModel::applicationRemoved(const QModelIndex &parent, int row)
{
Q_UNUSED(parent)
ApplicationInfoInterface *app = m_appManager->get(row);
int appIndex = -1;
for (int i = 0; i < m_list.count(); ++i) {
if (m_list.at(i)->appId() == app->appId()) {
appIndex = i;
break;
}
}
if (appIndex < 0) {
qWarning() << Q_FUNC_INFO << "appIndex not found";
return;
}
disconnect(app, &ApplicationInfoInterface::surfaceCountChanged, this, &LauncherModel::updateSurfaceList);
LauncherItem * item = m_list.at(appIndex);
if (!item->pinned()) {
beginRemoveRows(QModelIndex(), appIndex, appIndex);
m_list.takeAt(appIndex)->deleteLater();
endRemoveRows();
m_asAdapter->syncItems(m_list);
} else {
QVector<int> changedRoles = {RoleRunning};
item->setRunning(false);
if (item->focused()) {
changedRoles << RoleFocused;
item->setFocused(false);
}
Q_EMIT dataChanged(index(appIndex), index(appIndex), changedRoles);
}
}
void LauncherModel::focusedAppIdChanged()
{
const 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) {
QVector<int> changedRoles;
changedRoles << RoleFocused;
item->setFocused(true);
if (item->alerting()) {
changedRoles << RoleAlerting;
item->setAlerting(false);
}
Q_EMIT dataChanged(index(i), index(i), changedRoles);
} else if (item->focused() && item->appId() != appId) {
item->setFocused(false);
Q_EMIT dataChanged(index(i), index(i), {RoleFocused});
}
}
}