pointer display on the screen

Change-Id: I43c91bdf6c364da282d354e5a07f871a9247f2d6

sd/source/ui/remotecontrol/Receiver.cxx

@@ -16,14 +16,23 @@
 #include <com/sun/star/uno/RuntimeException.hpp>
 
 #include <comphelper/processfactory.hxx>
+#include <comphelper/anytostring.hxx>
+#include "cppuhelper/exc_hlp.hxx"
 #include <osl/file.hxx>
 #include <rtl/ustrbuf.hxx>
 #include <rtl/strbuf.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/presentation/SlideShow.hpp>
 
 using namespace sd;
 using namespace ::com::sun::star;
 using namespace ::osl;
 using namespace std;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::presentation;
+using namespace ::com::sun::star::beans;
 
 Receiver::Receiver( Transmitter *aTransmitter )
 {
@@ -61,6 +70,7 @@ void Receiver::executeCommand( const std::vector<OString> &aCommand )
 {
     uno::Reference<presentation::XSlideShowController> xSlideShowController;
     uno::Reference<presentation::XPresentation2> xPresentation;
+    uno::Reference<presentation::XSlideShow> xSlideShow;
     try {
         uno::Reference< frame::XDesktop2 > xFramesSupplier = frame::Desktop::create( ::comphelper::getProcessComponentContext() );
         uno::Reference< frame::XFrame > xFrame ( xFramesSupplier->getActiveFrame(), uno::UNO_QUERY_THROW );
@@ -70,6 +80,8 @@ void Receiver::executeCommand( const std::vector<OString> &aCommand )
         // Throws an exception if now slideshow running
         xSlideShowController =  uno::Reference<presentation::XSlideShowController>(
            xPresentation->getController(), uno::UNO_QUERY_THROW );
+        xSlideShow = uno::Reference<presentation::XSlideShow>(
+            xSlideShowController->getSlideShow(), uno::UNO_QUERY_THROW );
     }
     catch (uno::RuntimeException &)
     {
@@ -120,12 +132,43 @@ void Receiver::executeCommand( const std::vector<OString> &aCommand )
     }
     else if (aCommand[0].equals( "pointer_started" ))
     {
-        // xSlideShowController->setPointerMode(true);
+        std::cerr << "pointer_started" << std::endl;
+        SolarMutexGuard aSolarGuard;
+        if (xSlideShow.is()) try
+        {
+            std::cerr << "pointer_started in the is" << std::endl;
+            xSlideShow->setProperty(
+                        beans::PropertyValue( "PointerVisible" ,
+                            -1,
+                            makeAny( true ),
+                            beans::PropertyState_DIRECT_VALUE ) );
+        }
+        catch ( Exception& )
+        {
+            SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerMode(), "
+                "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
+        }
         SAL_INFO( "sdremote", "Pointer started, we display the pointer on screen" );
     }
     else if (aCommand[0].equals( "pointer_dismissed" ))
     {
-        // xSlideShowController->setPointerMode(false);
+        std::cerr << "pointer_dismissed" << std::endl;
+        SolarMutexGuard aSolarGuard;
+        if (xSlideShow.is()) try
+        {
+            std::cerr << "pointer_dismissed in the is" << std::endl;
+            xSlideShow->setProperty(
+                        beans::PropertyValue( "PointerVisible" ,
+                            -1,
+                            makeAny( false ),
+                            beans::PropertyState_DIRECT_VALUE ) );
+        }
+        catch ( Exception& )
+        {
+            SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerMode(), "
+                "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
+        }
+
         SAL_INFO( "sdremote", "Pointer dismissed, we hide the pointer on screen" );
     }
     else if (aCommand[0].equals( "pointer_coordination" ))
@@ -135,8 +178,23 @@ void Receiver::executeCommand( const std::vector<OString> &aCommand )
 
         SAL_INFO( "sdremote", "Pointer at ("<<x<<","<<y<<")" );
         const ::com::sun::star::geometry::RealPoint2D pos(x,y);
-        // Same problem here...
-        // xSlideShowController->setPointerPosition(pos);
+        std::cerr << "Pointer at ("<<pos.X<<","<<pos.Y<<")" << std::endl;
+
+        SolarMutexGuard aSolarGuard;
+        if (xSlideShow.is()) try
+        {
+            std::cerr << "pointer_coordination in the is" << std::endl;
+            xSlideShow->setProperty(
+                        beans::PropertyValue( "PointerPosition" ,
+                            -1,
+                            makeAny( pos ),
+                            beans::PropertyState_DIRECT_VALUE ) );
+        }
+        catch ( Exception& )
+        {
+            SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerPosition(), "
+                "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
+        }
     }
     else if ( aCommand[0].equals( "presentation_resume" ) )
     {

slideshow/Library_slideshow.mk

@@ -142,6 +142,7 @@ $(eval $(call gb_Library_add_exception_objects,slideshow,\
     slideshow/source/engine/unoviewcontainer \
     slideshow/source/engine/usereventqueue \
     slideshow/source/engine/waitsymbol \
+    slideshow/source/engine/pointersymbol \
     slideshow/source/engine/wakeupevent \
 ))
 

slideshow/source/engine/pointersymbol.cxx

@@ -28,6 +28,7 @@
 #include <basegfx/vector/b2dvector.hxx>
 
 #include <com/sun/star/rendering/XCanvas.hpp>
+#include "com/sun/star/uno/Reference.hxx"
 
 #include "pointersymbol.hxx"
 #include "eventmultiplexer.hxx"
@@ -51,8 +52,8 @@ PointerSymbolSharedPtr PointerSymbol::create( const uno::Reference<rendering::XB
 {
     PointerSymbolSharedPtr pRet(
         new PointerSymbol( xBitmap,
-                        rScreenUpdater,
-                        rViewContainer ));
+                           rScreenUpdater,
+                           rViewContainer ));
 
     rEventMultiplexer.addViewHandler( pRet );
 
@@ -100,8 +101,20 @@ void PointerSymbol::setVisible( const bool bVisible )
     }
 }
 
+basegfx::B2DPoint PointerSymbol::calcSpritePos( UnoViewSharedPtr const & rView ) const
+{
+    const uno::Reference<rendering::XBitmap> xBitmap( rView->getCanvas()->getUNOCanvas(),
+                                                      uno::UNO_QUERY_THROW );
+    const geometry::IntegerSize2D realSize( xBitmap->getSize() );
+    return basegfx::B2DPoint(
+        // pos.X pos.Y are given in 0..1, beginning from the upper left corner of the currentSlide.
+        std::min<sal_Int32>( 0, LEFT_BORDER_SPACE ),
+        std::max<sal_Int32>( 0, realSize.Height * 1 - mxBitmap->getSize().Height
+                                                - LOWER_BORDER_SPACE ) );
+}
+
 basegfx::B2DPoint PointerSymbol::calcSpritePos(
-    UnoViewSharedPtr const & rView, const ::com::sun::star::geometry::RealPoint2D& pos) const
+    UnoViewSharedPtr const & rView, const ::com::sun::star::geometry::RealPoint2D pos) const
 {
     const uno::Reference<rendering::XBitmap> xBitmap( rView->getCanvas()->getUNOCanvas(),
                                                       uno::UNO_QUERY_THROW );
@@ -195,7 +208,7 @@ void PointerSymbol::viewsChanged()
     }
 }
 
-void PointerSymbol::viewsChanged(const ::com::sun::star::geometry::RealPoint2D& pos)
+void PointerSymbol::viewsChanged(const ::com::sun::star::geometry::RealPoint2D pos)
 {
     // reposition sprites on all views
     ViewsVecT::const_iterator       aIter( maViews.begin() );
@@ -210,6 +223,6 @@ void PointerSymbol::viewsChanged(const ::com::sun::star::geometry::RealPoint2D&
 }
 
 } // namespace internal
-} // namespace presentation
+} // namespace slideshow
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

slideshow/source/engine/pointersymbol.hxx

@@ -14,6 +14,8 @@
 #include <com/sun/star/rendering/XBitmap.hpp>
 #include <cppcanvas/customsprite.hxx>
 
+#include "com/sun/star/uno/Reference.hxx"
+
 #include "vieweventhandler.hxx"
 #include "screenupdater.hxx"
 #include "eventmultiplexer.hxx"
@@ -24,6 +26,8 @@
 #include <boost/utility.hpp> // for noncopyable
 #include <vector>
 
+using namespace com::sun::star;
+
 namespace slideshow {
 namespace internal {
 
@@ -49,7 +53,8 @@ public:
     void hide() { setVisible(false); }
     /** Use this method to update the pointer's position
     */
-    virtual void viewsChanged(const ::com::sun::star::geometry::RealPoint2D& pos);
+    void setVisible( const bool bVisible );
+    virtual void viewsChanged(const ::com::sun::star::geometry::RealPoint2D pos);
 
 private:
     PointerSymbol( const ::com::sun::star::uno::Reference<
@@ -63,9 +68,9 @@ private:
     virtual void viewChanged( const UnoViewSharedPtr& rView );
     virtual void viewsChanged();
 
-    void setVisible( const bool bVisible );
 
-    basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView, const ::com::sun::star::geometry::RealPoint2D& pos = ::com::sun::star::geometry::RealPoint2D(0, 0) ) const;
+    ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView, const ::com::sun::star::geometry::RealPoint2D pos ) const;
+    ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
 
     template <typename func_type>
     void for_each_sprite( func_type const & func ) const

slideshow/source/engine/slideshowimpl.cxx

@@ -95,6 +95,7 @@
 #include "waitsymbol.hxx"
 #include "effectrewinder.hxx"
 #include "framerate.hxx"
+#include "pointersymbol.hxx"
 
 #include <boost/noncopyable.hpp>
 #include <boost/bind.hpp>
@@ -459,6 +460,8 @@ private:
     boost::shared_ptr<RehearseTimingsActivity> mpRehearseTimingsActivity;
     boost::shared_ptr<WaitSymbol>           mpWaitSymbol;
 
+    boost::shared_ptr<PointerSymbol>        mpPointerSymbol;
+
     /// the current slide transition sound object:
     SoundPlayerSharedPtr                    mpCurrentSlideTransitionSound;
 
@@ -579,6 +582,7 @@ SlideShowImpl::SlideShowImpl(
       mpListener(),
       mpRehearseTimingsActivity(),
       mpWaitSymbol(),
+      mpPointerSymbol(),
       mpCurrentSlideTransitionSound(),
       mxComponentContext( xContext ),
       mxOptionalTransitionFactory(),
@@ -653,6 +657,7 @@ void SlideShowImpl::disposing()
     }
 
     mpWaitSymbol.reset();
+    mpPointerSymbol.reset();
 
     if( mpRehearseTimingsActivity )
     {
@@ -1777,6 +1782,37 @@ sal_Bool SlideShowImpl::setProperty( beans::PropertyValue const& rProperty )
         return true;
     }
 
+    if ( rProperty.Name == "PointerSymbolBitmap" )
+    {
+        uno::Reference<rendering::XBitmap> xBitmap;
+        if (! (rProperty.Value >>= xBitmap))
+            return false;
+
+        mpPointerSymbol = PointerSymbol::create( xBitmap,
+                                           maScreenUpdater,
+                                           maEventMultiplexer,
+                                           maViewContainer );
+
+        return true;
+    }
+
+    if ( rProperty.Name == "PointerVisible" )
+    {
+        bool visible;
+        rProperty.Value >>= visible;
+        mpPointerSymbol->setVisible(visible);
+    }
+
+    if ( rProperty.Name == "PointerPosition")
+    {
+        ::com::sun::star::geometry::RealPoint2D pos;
+        if (! (rProperty.Value >>= pos))
+            return false;
+
+        std::cerr<<"Received pos at :(" << pos.X << ","<<pos.Y << ")" << std::endl;
+        mpPointerSymbol->viewsChanged(pos);
+    }
+
     if (rProperty.Name.equalsAsciiL(
             RTL_CONSTASCII_STRINGPARAM("NoSlideTransitions") ))
     {

slideshow/source/engine/waitsymbol.cxx

@@ -195,6 +195,6 @@ void WaitSymbol::viewsChanged()
 }
 
 } // namespace internal
-} // namespace presentation
+} // namespace slideshow
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */