Add a method which can find the desktop file for the process by pid.

libsearch/appdata/app-info-table-private.h

@@ -48,6 +48,9 @@ public:
     //数据库错误信息
     QString lastError(void) const;
 
+    //通过pid查找desktop文件
+    bool tranPidToDesktopFp(int pid, QString &desktopfp);
+
     //下面的接口都不外放，暂时没啥用
     bool setAppLaunchTimes(QString &desktopfp, size_t num);
     bool updateAppLaunchTimes(QString &desktopfp);

libsearch/appdata/app-info-table.cpp

@@ -347,6 +347,18 @@ QString AppInfoTablePrivate::lastError() const
     return m_database->lastError().text();
 }
 
+bool AppInfoTablePrivate::tranPidToDesktopFp(int pid, QString &desktopfp)
+{
+    QDBusReply<QString> reply = m_appDBInterface->call("tranPidToDesktopFp", pid);
+    if (reply.isValid()) {
+        desktopfp = reply.value();
+        return true;
+    } else {
+        qDebug() << m_appDBInterface->lastError();
+        return false;
+    }
+}
+
 bool AppInfoTablePrivate::setAppLaunchTimes(QString &desktopfp, size_t num)
 {
     bool res(true);
@@ -663,6 +675,11 @@ QString AppInfoTable::lastError() const
     return d->lastError();
 }
 
+bool AppInfoTable::tranPidToDesktopFp(int pid, QString &desktopfp)
+{
+    return d->tranPidToDesktopFp(pid, desktopfp);
+}
+
 //下面接口暂时没啥用，不外放。
 bool AppInfoTable::setAppLaunchTimes(QString &desktopfp, size_t num)
 {

libsearch/appdata/app-info-table.h

@@ -77,6 +77,15 @@ public:
      */
     QString lastError(void) const;
 
+    /**
+     * @brief AppInfoTable::tranPid2DesktopFp
+     * find the desktop file path of the process which corresponds to the pid
+     * @param pid: the pid of the process which need to get its desktop file path
+     * @param desktopfp: the desktop file path of the process corresponding to pid
+     * @return bool:true if success,else false
+     */
+    bool tranPidToDesktopFp(int pid, QString &desktopfp);
+
 private:
     //暂不外放的接口
     bool setAppLaunchTimes(QString &desktopfp, size_t num);

ukui-search-app-data-service/app-db-manager.cpp

@@ -227,10 +227,14 @@ AppDBManager::AppDBManager(QObject *parent) : QThread(parent), m_database(QSqlDa
 
         //监控应用进程开启
         connect(KWindowSystem::self(), &KWindowSystem::windowAdded, [ = ](WId id) {
-            QString desktopfp = ConvertWinidToDesktop::getConverter().tranIdToDesktop(id);
+            KWindowInfo info = KWindowSystem::windowInfo(id, 0, NET::WM2AllProperties);
+            if (info.valid()) {
+                QString desktopfp;
+                desktopfp = this->tranPidToDesktopFp(info.pid());
                 if (!desktopfp.isEmpty()) {
                     this->updateLaunchTimes(desktopfp);
                 }
+            }
         });
     } else {
         qDebug() << "App-db-manager does nothing.";
@@ -1025,6 +1029,59 @@ bool AppDBManager::createAppInfoResult(const QString &desktopfp, AppInfoResult &
     return res;
 }
 
+QString AppDBManager::tranPidToDesktopFp(int pid)
+{
+    QString exePath = QFile::symLinkTarget("/proc/" + QString::number(pid) + "/exe");
+    QString desktopfp;
+
+    QSqlQuery sql(m_database);
+    QString cmd = QString("SELECT DESKTOP_FILE_PATH, EXEC FROM APPINFO WHERE EXEC LIKE '%%0%'")
+                         .arg(exePath.section('/', -1));
+
+    if (sql.exec(cmd)) {
+        QMap<QString, QString> execInfos;
+        while (sql.next()) {
+            execInfos[sql.value("DESKTOP_FILE_PATH").toString()] = sql.value("EXEC").toString();
+            desktopfp = sql.value("DESKTOP_FILE_PATH").toString();
+        }
+        //筛选后有多个结果时进一步过滤
+        if (execInfos.size() > 1) {
+            desktopfp.clear();
+            for (const QString &path : execInfos.values()) {
+                QStringList execlist = path.split(" ", QString::SkipEmptyParts);
+                for (QString &partOfExec : execlist) {
+                    //remove the cmd option
+                    if (partOfExec.contains("%")) {
+                        continue;
+                    }
+                    //remove the " in cmd
+                    if (partOfExec.contains("\"")) {
+                        partOfExec.remove("\"");
+                    }
+                    //compare the binary path
+                    if ((partOfExec.contains("/") && partOfExec == exePath) ||
+                            (partOfExec == exePath.section("/", -1))) {
+                        desktopfp = path;
+                        break;
+                    }
+                }
+                if (!desktopfp.isEmpty()) {
+                    break;
+                }
+            }
+        }
+
+        if (!desktopfp.isEmpty()) {
+            qDebug() << "PID: "  << pid << "Desktop file path: " << desktopfp;
+        } else {
+            qWarning() << "The desktop file can not be found by pid: " << pid;
+        }
+    } else {
+        qWarning() << "Fail to exec cmd" << cmd << m_database.lastError();
+    }
+    return desktopfp;
+}
+
 void AppDBManager::insertDBItem(const QString &desktopfd)
 {
     PendingAppInfo item(desktopfd, PendingAppInfo::HandleType::Insert);

ukui-search-app-data-service/app-db-manager.h

@@ -76,6 +76,9 @@ public:
     bool createAppInfoResult(const QString &desktopfp, AppInfoResult &result);
 
 public Q_SLOTS:
+    //通过pid查找对应的desktop文件
+    QString tranPidToDesktopFp(int pid);
+
     //对数据库单条所有信息进行增删改
     void insertDBItem(const QString &desktopfd);
     void updateDBItem(const QString &desktopfd);