feat: add method SendToDesktop/RemoveFromDesktop, Property isOnDesktop

Signed-off-by: ComixHe <heyuming@deepin.org>

api/dbus/org.desktopspec.ApplicationManager1.Application.xml

@@ -92,5 +92,16 @@
                        `env` option will not take effect at all."
             />
         </method>
+
+        <property name="isOnDesktop" type="b" access="read"/>
+
+        <method name="SendToDesktop">
+            <arg type="b" name="success" direction="out"/>
+        </method>
+
+        <method name="RemoveFromDesktop">
+            <arg type="b" name="success" direction="out"/>
+        </method>
+
     </interface>
 </node>

src/dbus/applicationservice.cpp

@@ -13,6 +13,7 @@
 #include <QUrl>
 #include <QRegularExpression>
 #include <QProcess>
+#include <QStandardPaths>
 #include <algorithm>
 #include <new>
 
@@ -186,6 +187,71 @@ QDBusObjectPath ApplicationService::Launch(const QString &action, const QStringL
         std::move(res));
 }
 
+bool ApplicationService::SendToDesktop() const noexcept
+{
+    if (isOnDesktop()) {
+        return true;
+    }
+
+    auto dir = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
+    if (dir.isEmpty()) {
+        qDebug() << "no desktop directory found.";
+        return false;
+    }
+
+    auto desktopFile = QDir{dir}.filePath(m_desktopSource.desktopId() + ".desktop");
+    auto success = m_desktopSource.sourceFileRef().link(desktopFile);
+    if (!success) {
+        qDebug() << "create link failed:" << m_desktopSource.sourceFileRef().errorString() << "path:" << desktopFile;
+    }
+
+    return success;
+}
+
+bool ApplicationService::RemoveFromDesktop() const noexcept
+{
+    if (!isOnDesktop()) {
+        return true;
+    }
+
+    auto dir = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
+    if (dir.isEmpty()) {
+        qDebug() << "no desktop directory found.";
+        return false;
+    }
+
+    QFile desktopFile{QDir{dir}.filePath(m_desktopSource.desktopId() + ".desktop")};
+    auto success = desktopFile.remove();
+
+    if (!success) {
+        qDebug() << "remove desktop file failed:" << desktopFile.errorString();
+    }
+
+    return success;
+}
+
+bool ApplicationService::isOnDesktop() const noexcept
+{
+    auto dir = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
+
+    if (dir.isEmpty()) {
+        qDebug() << "no desktop directory found.";
+        return false;
+    }
+
+    QFileInfo info{QDir{dir}.filePath(m_desktopSource.desktopId() + ".desktop")};
+
+    if (!info.exists()) {
+        return false;
+    }
+
+    if (!info.isSymbolicLink()) {
+        return false;
+    }
+
+    return info.symLinkTarget() == m_desktopSource.sourcePath();
+}
+
 QStringList ApplicationService::actions() const noexcept
 {
     auto val = findEntryValue(DesktopFileEntryKey, "Actions", EntryValueType::String);

src/dbus/applicationservice.h

@@ -69,6 +69,9 @@ public:
     Q_PROPERTY(qulonglong installedTime READ installedTime)
     [[nodiscard]] qulonglong installedTime() const noexcept;
 
+    Q_PROPERTY(bool isOnDesktop READ isOnDesktop)
+    [[nodiscard]] bool isOnDesktop() const noexcept;
+
     [[nodiscard]] QDBusObjectPath findInstance(const QString &instanceId) const;
 
     [[nodiscard]] const QString &getLauncher() const noexcept { return m_launcher; }
@@ -89,6 +92,8 @@ public:
 public Q_SLOTS:
     QDBusObjectPath Launch(const QString &action, const QStringList &fields, const QVariantMap &options);
     [[nodiscard]] ObjectMap GetManagedObjects() const;
+    [[nodiscard]] bool SendToDesktop() const noexcept;
+    [[nodiscard]] bool RemoveFromDesktop() const noexcept;
 
 Q_SIGNALS:
     void InterfacesAdded(const QDBusObjectPath &object_path, const ObjectInterfaceMap &interfaces);