File indexing completed on 2024-05-19 05:29:57

 /*
     This file is part of the KDE libraries
 
     SPDX-FileCopyrightText: 2007 Andreas Hartmetz <ahartmetz@gmail.com>
     SPDX-FileCopyrightText: 2007 Michael Jansen <kde@michael-jansen.biz>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kglobalacceld.h"
 
 #include "component.h"
 #include "globalshortcut.h"
 #include "globalshortcutcontext.h"
 #include "globalshortcutsregistry.h"
 #include "kglobalaccel.h"
 #include "kserviceactioncomponent.h"
 #include "logging_p.h"
 
 #include <QDBusConnection>
 #include <QDBusMetaType>
 #include <QMetaMethod>
 #include <QTimer>
 
 struct KGlobalAccelDPrivate {
     KGlobalAccelDPrivate(KGlobalAccelD *qq)
         : q(qq)
     {
     }
 
     GlobalShortcut *findAction(const QStringList &actionId) const;
 
     /**
      * Find the action @a shortcutUnique in @a componentUnique.
      *
      * @return the action or @c nullptr if doesn't exist
      */
     GlobalShortcut *findAction(const QString &componentUnique, const QString &shortcutUnique) const;
 
     GlobalShortcut *addAction(const QStringList &actionId);
     Component *component(const QStringList &actionId) const;
 
     void splitComponent(QString &component, QString &context) const
     {
         context = QStringLiteral("default");
         const int index = component.indexOf(QLatin1Char('|'));
         if (index != -1) {
             Q_ASSERT(component.indexOf(QLatin1Char('|'), index + 1) == -1); // Only one '|' character
             context = component.mid(index + 1);
             component.truncate(index);
         }
     }
 
     //! Timer for delayed writing to kglobalshortcutsrc
     QTimer writeoutTimer;
 
     //! Our holder
     KGlobalAccelD *q;
 
     GlobalShortcutsRegistry *m_registry = nullptr;
 };
 
 GlobalShortcut *KGlobalAccelDPrivate::findAction(const QStringList &actionId) const
 {
     // Check if actionId is valid
     if (actionId.size() != 4) {
         qCDebug(KGLOBALACCELD) << "Invalid! '" << actionId << "'";
         return nullptr;
     }
 
     return findAction(actionId.at(KGlobalAccel::ComponentUnique), actionId.at(KGlobalAccel::ActionUnique));
 }
 
 GlobalShortcut *KGlobalAccelDPrivate::findAction(const QString &_componentUnique, const QString &shortcutUnique) const
 {
     QString componentUnique = _componentUnique;
 
     Component *component;
     QString contextUnique;
     if (componentUnique.indexOf(QLatin1Char('|')) == -1) {
         component = m_registry->getComponent(componentUnique);
         if (component) {
             contextUnique = component->currentContext()->uniqueName();
         }
     } else {
         splitComponent(componentUnique, contextUnique);
         component = m_registry->getComponent(componentUnique);
     }
 
     if (!component) {
         qCDebug(KGLOBALACCELD) << componentUnique << "not found";
         return nullptr;
     }
 
     GlobalShortcut *shortcut = component->getShortcutByName(shortcutUnique, contextUnique);
 
     if (shortcut) {
         qCDebug(KGLOBALACCELD) << componentUnique << contextUnique << shortcut->uniqueName();
     } else {
         qCDebug(KGLOBALACCELD) << "No match for" << shortcutUnique;
     }
     return shortcut;
 }
 
 Component *KGlobalAccelDPrivate::component(const QStringList &actionId) const
 {
     const QString uniqueName = actionId.at(KGlobalAccel::ComponentUnique);
 
     // If a component for action already exists, use that...
     if (Component *c = m_registry->getComponent(uniqueName)) {
         return c;
     }
 
     // ... otherwise, create a new one
     const QString friendlyName = actionId.at(KGlobalAccel::ComponentFriendly);
     if (uniqueName.endsWith(QLatin1String(".desktop"))) {
         auto *actionComp = m_registry->createServiceActionComponent(uniqueName);
         if (!actionComp) {
             return nullptr;
         }
         actionComp->activateGlobalShortcutContext(QStringLiteral("default"));
         actionComp->loadFromService();
         return actionComp;
     } else {
         return m_registry->createComponent(uniqueName, friendlyName);
     }
 }
 
 GlobalShortcut *KGlobalAccelDPrivate::addAction(const QStringList &actionId)
 {
     Q_ASSERT(actionId.size() >= 4);
 
     QString componentUnique = actionId.at(KGlobalAccel::ComponentUnique);
     QString contextUnique;
     splitComponent(componentUnique, contextUnique);
 
     QStringList actionIdTmp = actionId;
     actionIdTmp.replace(KGlobalAccel::ComponentUnique, componentUnique);
 
     // Create the component if necessary
     Component *component = this->component(actionIdTmp);
     if (!component) {
         return nullptr;
     }
 
     // Create the context if necessary
     if (component->getShortcutContexts().count(contextUnique) == 0) {
         component->createGlobalShortcutContext(contextUnique);
     }
 
     Q_ASSERT(!component->getShortcutByName(componentUnique, contextUnique));
 
     return new GlobalShortcut(actionId.at(KGlobalAccel::ActionUnique), actionId.at(KGlobalAccel::ActionFriendly), component->shortcutContext(contextUnique));
 }
 
 Q_DECLARE_METATYPE(QStringList)
 
 KGlobalAccelD::KGlobalAccelD(QObject *parent)
     : QObject(parent)
     , d(new KGlobalAccelDPrivate(this))
 {
 }
 
 bool KGlobalAccelD::init()
 {
     qDBusRegisterMetaType<QKeySequence>();
     qDBusRegisterMetaType<QList<QKeySequence>>();
     qDBusRegisterMetaType<QList<QDBusObjectPath>>();
     qDBusRegisterMetaType<QList<QStringList>>();
     qDBusRegisterMetaType<QStringList>();
     qDBusRegisterMetaType<KGlobalShortcutInfo>();
     qDBusRegisterMetaType<QList<KGlobalShortcutInfo>>();
     qDBusRegisterMetaType<KGlobalAccel::MatchType>();
 
     d->m_registry = GlobalShortcutsRegistry::self();
     Q_ASSERT(d->m_registry);
 
     d->writeoutTimer.setSingleShot(true);
     connect(&d->writeoutTimer, &QTimer::timeout, d->m_registry, &GlobalShortcutsRegistry::writeSettings);
 
     if (!QDBusConnection::sessionBus().registerService(QLatin1String("org.kde.kglobalaccel"))) {
         qCWarning(KGLOBALACCELD) << "Failed to register service org.kde.kglobalaccel";
         return false;
     }
 
     if (!QDBusConnection::sessionBus().registerObject(QStringLiteral("/kglobalaccel"), this, QDBusConnection::ExportScriptableContents)) {
         qCWarning(KGLOBALACCELD) << "Failed to register object kglobalaccel in org.kde.kglobalaccel";
         return false;
     }
 
     d->m_registry->setDBusPath(QDBusObjectPath("/"));
     d->m_registry->loadSettings();
 
     return true;
 }
 
 KGlobalAccelD::~KGlobalAccelD()
 {
     if (d->writeoutTimer.isActive()) {
         d->writeoutTimer.stop();
         d->m_registry->writeSettings();
     }
     d->m_registry->deactivateShortcuts();
     delete d;
 }
 
 QList<QStringList> KGlobalAccelD::allMainComponents() const
 {
     return d->m_registry->allComponentNames();
 }
 
 QList<QStringList> KGlobalAccelD::allActionsForComponent(const QStringList &actionId) const
 {
     // ### Would it be advantageous to sort the actions by unique name?
     QList<QStringList> ret;
 
     Component *const component = d->m_registry->getComponent(actionId[KGlobalAccel::ComponentUnique]);
     if (!component) {
         return ret;
     }
 
     QStringList partialId(actionId[KGlobalAccel::ComponentUnique]); // ComponentUnique
     partialId.append(QString()); // ActionUnique
     // Use our internal friendlyName, not the one passed in. We should have the latest data.
     partialId.append(component->friendlyName()); // ComponentFriendly
     partialId.append(QString()); // ActionFriendly
 
     const auto listShortcuts = component->allShortcuts();
     for (const GlobalShortcut *const shortcut : listShortcuts) {
         if (shortcut->isFresh()) {
             // isFresh is only an intermediate state, not to be reported outside.
             continue;
         }
         QStringList actionId(partialId);
         actionId[KGlobalAccel::ActionUnique] = shortcut->uniqueName();
         actionId[KGlobalAccel::ActionFriendly] = shortcut->friendlyName();
         ret.append(actionId);
     }
     return ret;
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 QStringList KGlobalAccelD::action(int key) const
 {
     return actionList(key);
 }
 #endif
 
 QStringList KGlobalAccelD::actionList(const QKeySequence &key) const
 {
     GlobalShortcut *shortcut = d->m_registry->getShortcutByKey(key);
     QStringList ret;
     if (shortcut) {
         ret.append(shortcut->context()->component()->uniqueName());
         ret.append(shortcut->uniqueName());
         ret.append(shortcut->context()->component()->friendlyName());
         ret.append(shortcut->friendlyName());
     }
     return ret;
 }
 
 void KGlobalAccelD::activateGlobalShortcutContext(const QString &component, const QString &uniqueName)
 {
     Component *const comp = d->m_registry->getComponent(component);
     if (comp) {
         comp->activateGlobalShortcutContext(uniqueName);
     }
 }
 
 QList<QDBusObjectPath> KGlobalAccelD::allComponents() const
 {
     return d->m_registry->componentsDbusPaths();
 }
 
 void KGlobalAccelD::blockGlobalShortcuts(bool block)
 {
     qCDebug(KGLOBALACCELD) << "Block global shortcuts?" << block;
     if (block) {
         d->m_registry->deactivateShortcuts(true);
     } else {
         d->m_registry->activateShortcuts();
     }
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 QList<int> KGlobalAccelD::shortcut(const QStringList &action) const
 {
     GlobalShortcut *shortcut = d->findAction(action);
     if (shortcut) {
         QList<int> ret;
         for (auto i : shortcut->keys()) {
             ret << i[0].toCombined();
         }
         return ret;
     }
     return QList<int>();
 }
 #endif
 
 QList<QKeySequence> KGlobalAccelD::shortcutKeys(const QStringList &action) const
 {
     GlobalShortcut *shortcut = d->findAction(action);
     if (shortcut) {
         return shortcut->keys();
     }
     return QList<QKeySequence>();
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 QList<int> KGlobalAccelD::defaultShortcut(const QStringList &action) const
 {
     GlobalShortcut *shortcut = d->findAction(action);
     if (shortcut) {
         QList<int> ret;
         for (auto i : shortcut->keys()) {
             ret << i[0].toCombined();
         }
         return ret;
     }
     return QList<int>();
 }
 #endif
 
 QList<QKeySequence> KGlobalAccelD::defaultShortcutKeys(const QStringList &action) const
 {
     GlobalShortcut *shortcut = d->findAction(action);
     if (shortcut) {
         return shortcut->defaultKeys();
     }
     return QList<QKeySequence>();
 }
 
 // This method just registers the action. Nothing else. Shortcut has to be set
 // later.
 void KGlobalAccelD::doRegister(const QStringList &actionId)
 {
     qCDebug(KGLOBALACCELD) << actionId;
 
     // Check because we would not want to add a action for an invalid
     // actionId. findAction returns nullptr in that case.
     if (actionId.size() < 4) {
         return;
     }
 
     GlobalShortcut *shortcut = d->findAction(actionId);
     if (!shortcut) {
         shortcut = d->addAction(actionId);
     } else {
         // a switch of locales is one common reason for a changing friendlyName
         if ((!actionId[KGlobalAccel::ActionFriendly].isEmpty()) && shortcut->friendlyName() != actionId[KGlobalAccel::ActionFriendly]) {
             shortcut->setFriendlyName(actionId[KGlobalAccel::ActionFriendly]);
             scheduleWriteSettings();
         }
         if ((!actionId[KGlobalAccel::ComponentFriendly].isEmpty())
             && shortcut->context()->component()->friendlyName() != actionId[KGlobalAccel::ComponentFriendly]) {
             shortcut->context()->component()->setFriendlyName(actionId[KGlobalAccel::ComponentFriendly]);
             scheduleWriteSettings();
         }
     }
 }
 
 QDBusObjectPath KGlobalAccelD::getComponent(const QString &componentUnique) const
 {
     qCDebug(KGLOBALACCELD) << componentUnique;
 
     Component *component = d->m_registry->getComponent(componentUnique);
 
     if (component) {
         return component->dbusPath();
     } else {
         sendErrorReply(QStringLiteral("org.kde.kglobalaccel.NoSuchComponent"), QStringLiteral("The component '%1' doesn't exist.").arg(componentUnique));
         return QDBusObjectPath("/");
     }
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 QList<KGlobalShortcutInfo> KGlobalAccelD::getGlobalShortcutsByKey(int key) const
 {
     return globalShortcutsByKey(key, KGlobalAccel::MatchType::Equal);
 }
 #endif
 
 QList<KGlobalShortcutInfo> KGlobalAccelD::globalShortcutsByKey(const QKeySequence &key, KGlobalAccel::MatchType type) const
 {
     qCDebug(KGLOBALACCELD) << key;
     const QList<GlobalShortcut *> shortcuts = d->m_registry->getShortcutsByKey(key, type);
 
     QList<KGlobalShortcutInfo> rc;
     rc.reserve(shortcuts.size());
     for (const GlobalShortcut *sc : shortcuts) {
         qCDebug(KGLOBALACCELD) << sc->context()->uniqueName() << sc->uniqueName();
         rc.append(static_cast<KGlobalShortcutInfo>(*sc));
     }
 
     return rc;
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 bool KGlobalAccelD::isGlobalShortcutAvailable(int shortcut, const QString &component) const
 {
     return globalShortcutAvailable(shortcut, component);
 }
 #endif
 
 bool KGlobalAccelD::globalShortcutAvailable(const QKeySequence &shortcut, const QString &component) const
 {
     QString realComponent = component;
     QString context;
     d->splitComponent(realComponent, context);
     return d->m_registry->isShortcutAvailable(shortcut, realComponent, context);
 }
 
 void KGlobalAccelD::setInactive(const QStringList &actionId)
 {
     qCDebug(KGLOBALACCELD) << actionId;
 
     GlobalShortcut *shortcut = d->findAction(actionId);
     if (shortcut) {
         shortcut->setIsPresent(false);
     }
 }
 
 bool KGlobalAccelD::unregister(const QString &componentUnique, const QString &shortcutUnique)
 {
     qCDebug(KGLOBALACCELD) << componentUnique << shortcutUnique;
 
     // Stop grabbing the key
     GlobalShortcut *shortcut = d->findAction(componentUnique, shortcutUnique);
     if (shortcut) {
         shortcut->unRegister();
         scheduleWriteSettings();
     }
 
     return shortcut;
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(4, 3)
 void KGlobalAccelD::unRegister(const QStringList &actionId)
 {
     qCDebug(KGLOBALACCELD) << actionId;
 
     // Stop grabbing the key
     GlobalShortcut *shortcut = d->findAction(actionId);
     if (shortcut) {
         shortcut->unRegister();
         scheduleWriteSettings();
     }
 }
 #endif
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 QList<int> KGlobalAccelD::setShortcut(const QStringList &actionId, const QList<int> &keys, uint flags)
 {
     QList<QKeySequence> input;
     input.reserve(keys.size());
     for (auto i : keys) {
         input << i;
     }
 
     const QList<QKeySequence> list = setShortcutKeys(actionId, input, flags);
     QList<int> ret;
     ret.reserve(list.size());
     for (auto i : list) {
         ret << i[0].toCombined();
     }
     return ret;
 }
 #endif
 
 QList<QKeySequence> KGlobalAccelD::setShortcutKeys(const QStringList &actionId, const QList<QKeySequence> &keys, uint flags)
 {
     // spare the DBus framework some work
     const bool setPresent = (flags & SetPresent);
     const bool isAutoloading = !(flags & NoAutoloading);
     const bool isDefault = (flags & IsDefault);
 
     GlobalShortcut *shortcut = d->findAction(actionId);
     if (!shortcut) {
         return QList<QKeySequence>();
     }
 
     // default shortcuts cannot clash because they don't do anything
     if (isDefault) {
         if (shortcut->defaultKeys() != keys) {
             shortcut->setDefaultKeys(keys);
             scheduleWriteSettings();
         }
         return keys; // doesn't matter
     }
 
     if (isAutoloading && !shortcut->isFresh()) {
         // the trivial and common case - synchronize the action from our data
         // and exit.
         if (!shortcut->isPresent() && setPresent) {
             shortcut->setIsPresent(true);
         }
         // We are finished here. Return the list of current active keys.
         return shortcut->keys();
     }
 
     // now we are actually changing the shortcut of the action
     shortcut->setKeys(keys);
 
     if (setPresent) {
         shortcut->setIsPresent(true);
     }
 
     // maybe isFresh should really only be set if setPresent, but only two things should use !setPresent:
     //- the global shortcuts KCM: very unlikely to catch KWin/etc.'s actions in isFresh state
     //- KGlobalAccel::stealGlobalShortcutSystemwide(): only applies to actions with shortcuts
     //  which can never be fresh if created the usual way
     shortcut->setIsFresh(false);
 
     scheduleWriteSettings();
 
     return shortcut->keys();
 }
 
 #if KGLOBALACCELD_BUILD_DEPRECATED_SINCE(5, 90)
 void KGlobalAccelD::setForeignShortcut(const QStringList &actionId, const QList<int> &keys)
 {
     QList<QKeySequence> input;
     for (auto i : keys) {
         input << i;
     }
     return setForeignShortcutKeys(actionId, input);
 }
 #endif
 
 void KGlobalAccelD::setForeignShortcutKeys(const QStringList &actionId, const QList<QKeySequence> &keys)
 {
     qCDebug(KGLOBALACCELD) << actionId;
 
     GlobalShortcut *shortcut = d->findAction(actionId);
     if (!shortcut) {
         return;
     }
 
     QList<QKeySequence> newKeys = setShortcutKeys(actionId, keys, NoAutoloading);
 
     Q_EMIT yourShortcutsChanged(actionId, newKeys);
 }
 
 void KGlobalAccelD::scheduleWriteSettings() const
 {
     if (!d->writeoutTimer.isActive()) {
         d->writeoutTimer.start(500);
     }
 }
 
 #include "moc_kglobalacceld.cpp"