Dolphin is now a KUniqueApplication. A lot of thanks go to Oscar Blumberg, who submitted this patch.

svn path=/trunk/KDE/kdebase/apps/; revision=634862

src/CMakeLists.txt

@@ -56,6 +56,12 @@ kde4_add_kcfg_files(dolphin_SRCS
    iconsmodesettings.kcfgc
    detailsmodesettings.kcfgc )
 
+qt4_add_dbus_adaptor(dolphin_SRCS
+   org.kde.dolphin.Application.xml
+   dolphinapplication.h DolphinApplication)
+qt4_add_dbus_adaptor(dolphin_SRCS
+   org.kde.dolphin.MainWindow.xml
+   dolphinmainwindow.h DolphinMainWindow)
 kde4_add_executable(dolphin ${dolphin_SRCS})
 
 target_link_libraries(dolphin  ${KDE4_KDECORE_LIBS} ${KDE4_KDEPRINT_LIBS} konq )

src/dolphinapplication.cpp

@@ -21,8 +21,15 @@
 #include "dolphinapplication.h"
 #include "dolphinmainwindow.h"
 
-DolphinApplication::DolphinApplication()
+#include <applicationadaptor.h>
+#include <kurl.h>
+#include <QDBusConnection>
+
+DolphinApplication::DolphinApplication() :
+    m_lastId(0)
 {
+    new ApplicationAdaptor(this);
+    QDBusConnection::sessionBus().registerObject("/dolphin/Application", this);
 }
 
 DolphinApplication::~DolphinApplication()
@@ -40,13 +47,24 @@ DolphinApplication* DolphinApplication::app()
 
 DolphinMainWindow* DolphinApplication::createMainWindow()
 {
-    DolphinMainWindow* mainWindow = new DolphinMainWindow();
+    DolphinMainWindow* mainWindow = new DolphinMainWindow(m_lastId);
+    ++m_lastId;
     mainWindow->init();
 
     m_mainWindows.append(mainWindow);
     return mainWindow;
 }
 
+int DolphinApplication::openWindow(const QString& url)
+{
+    DolphinMainWindow* win = createMainWindow();
+    if ((win->activeView() != 0) && !url.isEmpty()) {
+        win->activeView()->setUrl(KUrl(url));
+    }
+    win->show();
+    return win->getId();
+}
+
 void DolphinApplication::removeMainWindow(DolphinMainWindow* mainWindow)
 {
     m_mainWindows.removeAll(mainWindow);

src/dolphinapplication.h

@@ -22,7 +22,7 @@
 #ifndef _DOLPHIN_APPLICATION_H
 #define _DOLPHIN_APPLICATION_H
 
-#include <kapplication.h>
+#include <kuniqueapplication.h>
 
 class DolphinMainWindow;
 
@@ -32,9 +32,10 @@ class DolphinMainWindow;
  * we will delete on application exit.
  */
 
-class DolphinApplication : public KApplication
+class DolphinApplication : public KUniqueApplication
 {
     Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.Application")
     friend class DolphinMainWindow;
 
 public:
@@ -50,12 +51,16 @@ public:
     DolphinMainWindow* createMainWindow();
     void refreshMainWindows();
 
+public slots:
+    int openWindow(const QString& url);
+
 protected:
     /** Called by the DolphinMainWindow to deregister. */
     void removeMainWindow(DolphinMainWindow* mainWindow);
 
 private:
     QList<DolphinMainWindow*> m_mainWindows;
+    int m_lastId;
 };
 
 #endif

src/dolphinmainwindow.cpp

@@ -36,6 +36,7 @@
 #include "generalsettings.h"
 #include "viewpropertiesdialog.h"
 #include "viewproperties.h"
+#include "mainwindowadaptor.h"
 
 #include <kaction.h>
 #include <kactioncollection.h>
@@ -70,16 +71,20 @@
 #include <QSplitter>
 #include <QDockWidget>
 
-DolphinMainWindow::DolphinMainWindow() :
+DolphinMainWindow::DolphinMainWindow(int id) :
     KMainWindow(0),
     m_newMenu(0),
     m_splitter(0),
-    m_activeView(0)
+    m_activeView(0),
+    m_id(id)
 {
     setObjectName("Dolphin");
     m_view[PrimaryIdx] = 0;
     m_view[SecondaryIdx] = 0;
 
+    new MainWindowAdaptor(this);
+    QDBusConnection::sessionBus().registerObject(QString("/dolphin/MainWindow%1").arg(m_id), this);
+
     KonqUndoManager::incRef();
 
     KonqUndoManager* undoManager = KonqUndoManager::self();
@@ -231,6 +236,13 @@ void DolphinMainWindow::refreshViews()
     emit activeViewChanged();
 }
 
+void DolphinMainWindow::changeUrl(const QString& url)
+{
+    if (activeView() != 0) {
+        activeView()->setUrl(KUrl(url));
+    }
+}
+
 void DolphinMainWindow::slotViewModeChanged()
 {
     updateViewActions();

src/dolphinmainwindow.h

@@ -47,13 +47,14 @@ class DolphinApplication;
  * @short Main window for Dolphin.
  *
  * Handles the menus, toolbars and Dolphin views.
- *
- * @author Peter Penz <peter.penz@gmx.at>
-*/
+ */
 class DolphinMainWindow: public KMainWindow
 {
     Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
+    Q_PROPERTY(int id READ getId SCRIPTABLE true)
     friend class DolphinApplication;
+
 public:
     virtual ~DolphinMainWindow();
 
@@ -97,6 +98,20 @@ public:
      */
     KNewMenu* newMenu() const { return m_newMenu; }
 
+public slots:
+    /**
+     * Returns the main windows ID, mainly used throught DBus.
+     */
+    int getId() const { return m_id; }
+
+    /**
+     * Changes the URL of the current active DolphinView to \a url.
+     */
+    void changeUrl(const QString& url);
+
+    /** Stores all settings and quits Dolphin. */
+    void quit();
+
 signals:
     /**
      * Is send if the active view has been changed in
@@ -147,9 +162,6 @@ private slots:
      */
     void properties();
 
-    /** Stores all settings and quits Dolphin. */
-    void quit();
-
     /**
      * Shows the error information of the job \a job
      * in the status bar.
@@ -338,7 +350,7 @@ private slots:
     void openNewMainWindow();
 
 private:
-    DolphinMainWindow();
+    DolphinMainWindow(int id);
     void init();
     void loadSettings();
 
@@ -392,6 +404,7 @@ private:
     KNewMenu* m_newMenu;
     QSplitter* m_splitter;
     DolphinView* m_activeView;
+    int m_id;
 
     DolphinView* m_view[SecondaryIdx + 1];
 

src/main.cpp

@@ -24,6 +24,8 @@
 #include <kcmdlineargs.h>
 #include <klocale.h>
 #include <krun.h>
+#include <QDBusInterface>
+#include <QDBusReply>
 
 static KCmdLineOptions options[] =
 {
@@ -31,6 +33,18 @@ static KCmdLineOptions options[] =
     KCmdLineLastOption
 };
 
+void openWindow(DolphinApplication* app, const QString& url = QString())
+{
+    if (app != 0) {
+        app->openWindow(url);
+        return;
+    }
+
+    static QDBusInterface dbusIface("org.kde.dolphin", "/dolphin/Application", "",
+                                    QDBusConnection::connectToBus(QDBusConnection::SessionBus, "session_bus"));
+    QDBusReply<int> reply = dbusIface.call("openWindow", url);
+}
+
 int main(int argc, char **argv)
 {
     KAboutData about("dolphin",
@@ -53,8 +67,10 @@ int main(int argc, char **argv)
 
     KCmdLineArgs::init(argc, argv, &about);
     KCmdLineArgs::addCmdLineOptions(options);
-
-    DolphinApplication app;
+    DolphinApplication *app = 0;
+    if (DolphinApplication::start()) {
+        app = new DolphinApplication();
+    }
 
 
 #warning TODO, SessionManagement
@@ -68,18 +84,17 @@ int main(int argc, char **argv)
     } else {
 #endif
 
-        KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
-        if (args->count() > 0) {
-            for (int i = 0; i < args->count(); ++i) {
-                DolphinMainWindow *win = app.createMainWindow();
-                win->activeView()->setUrl(args->url(i));
-                win->show();
-            }
-        } else {
-            DolphinMainWindow* mainWin = app.createMainWindow();
-            mainWin->show();
+    KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
+    if (args->count() > 0) {
+        for (int i = 0; i < args->count(); ++i) {
+            openWindow(app, args->arg(i));
         }
-        args->clear();
-    
-    return app.exec();
+    }
+    else {
+        openWindow(app);
+    }
+    args->clear();
+    if (app != 0) {
+        return app->exec();
+    }
 }

src/org.kde.dolphin.Application.xml

@@ -0,0 +1,9 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node>
+  <interface name="org.kde.dolphin.Application">
+    <method name="openWindow">
+      <arg type="i" direction="out"/>
+      <arg name="url" type="s" direction="in"/>
+    </method>
+  </interface>
+</node>

src/org.kde.dolphin.MainWindow.xml

@@ -0,0 +1,13 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node>
+  <interface name="org.kde.dolphin.MainWindow">
+    <method name="getId">
+      <arg type="i" direction="out"/>
+    </method>
+    <method name="changeUrl">
+      <arg name="url" type="s" direction="in"/>
+    </method>
+    <method name="quit">
+    </method>
+  </interface>
+</node>