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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#include "precompiled_sd.hxx"
#include "presenter/PresenterCanvasFactory.hxx"
#include "PresenterCanvas.hxx"
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/WindowAttribute.hpp>
#include <com/sun/star/awt/WindowClass.hpp>
#include <com/sun/star/awt/WindowDescriptor.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/rendering/CompositeOperation.hpp>
#include <com/sun/star/drawing/CanvasFeature.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <comphelper/processfactory.hxx>
#include <cppcanvas/vclfactory.hxx>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase3.hxx>
#include <cppuhelper/compbase2.hxx>
#include <rtl/ref.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <vcl/wrkwin.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using ::rtl::OUString;
namespace sd { namespace presenter {
//===== PresenterCanvasFactory::SharedWindowContainer =========================
namespace {
class SharedWindowDescriptor
{
public:
Reference<awt::XWindow> mxSharedWindow;
Reference<rendering::XCanvas> mxSharedCanvas;
};
}
class PresenterCanvasFactory::SharedWindowContainer
: public ::std::vector<SharedWindowDescriptor>
{
public:
iterator FindDescriptor (const Reference<awt::XWindow>& rxWindow)
{
for (iterator iDescriptor=begin(); iDescriptor!=end(); ++iDescriptor)
if (iDescriptor->mxSharedWindow == rxWindow)
return iDescriptor;
return end();
}
};
//===== PresenterCanvasFactory ================================================
class PresenterCanvasFactory::Deleter
{
public:
void operator() (const PresenterCanvasFactory* pObject) { delete pObject; }
};
::boost::shared_ptr<PresenterCanvasFactory> PresenterCanvasFactory::mpInstance;
::boost::shared_ptr<PresenterCanvasFactory> PresenterCanvasFactory::Instance (void)
{
::osl::MutexGuard aGuard (::osl::Mutex::getGlobalMutex());
if (mpInstance.get() == NULL)
{
mpInstance.reset(new PresenterCanvasFactory(), PresenterCanvasFactory::Deleter());
}
return mpInstance;
}
void PresenterCanvasFactory::AddSharedWindow (
const Reference<awt::XWindow>& rxWindow,
const Reference<rendering::XCanvas>& rxCanvas)
{
SharedWindowDescriptor aDescriptor;
if (mpSharedWindows->FindDescriptor(rxWindow) != mpSharedWindows->end())
return;
aDescriptor.mxSharedWindow = rxWindow;
aDescriptor.mxSharedCanvas = rxCanvas;
// Store the new shared window only when both the window and the canvas
// are present.
if (aDescriptor.mxSharedCanvas.is() && aDescriptor.mxSharedCanvas.is())
mpSharedWindows->push_back(aDescriptor);
}
void PresenterCanvasFactory::RemoveSharedWindow (const Reference<awt::XWindow>& rxWindow)
{
SharedWindowContainer::iterator iDescriptor = mpSharedWindows->FindDescriptor(rxWindow);
if (iDescriptor != mpSharedWindows->end())
{
mpSharedWindows->erase(iDescriptor);
}
}
Reference<rendering::XCanvas> PresenterCanvasFactory::GetCanvas (
const css::uno::Reference<css::awt::XWindow>& rxSharedWindow,
const css::uno::Reference<css::awt::XWindow>& rxWindow,
const sal_Int16 nRequestedCanvasFeatures,
const rtl::OUString& rsCanvasServiceName)
{
(void)nRequestedCanvasFeatures;
Reference<rendering::XCanvas> xCanvas;
if (rxSharedWindow.is() && rsCanvasServiceName.getLength()==0)
{
OSL_ASSERT(rxSharedWindow.is());
xCanvas = CreateSharedCanvas(rxSharedWindow, rxWindow);
}
else
{
xCanvas = CreateCanvas(rxWindow, rsCanvasServiceName);
}
return xCanvas;
}
Reference<rendering::XCanvas> PresenterCanvasFactory::CreateSharedCanvas (
const css::uno::Reference<css::awt::XWindow>& rxSharedWindow,
const css::uno::Reference<css::awt::XWindow>& rxWindow) const
{
// A shared window is given. Look it up and determine which canvas
// to return.
SharedWindowContainer::iterator iDescriptor (
mpSharedWindows->FindDescriptor(rxSharedWindow));
if (iDescriptor != mpSharedWindows->end())
{
if (rxWindow == iDescriptor->mxSharedWindow || ! rxWindow.is())
{
// A shared window itself is given. Return the previously
// created canvas.
return Reference<rendering::XCanvas>(iDescriptor->mxSharedCanvas, UNO_QUERY);
}
else
{
// A true child window is given. Create a canvas wrapper.
return new PresenterCanvas(
Reference<rendering::XCanvas>(iDescriptor->mxSharedCanvas, UNO_QUERY),
iDescriptor->mxSharedWindow,
rxWindow);
}
}
return NULL;
}
Reference<rendering::XCanvas> PresenterCanvasFactory::CreateCanvasForSprite (
const css::uno::Reference<css::awt::XWindow>& rxSharedWindow,
const css::uno::Reference<css::awt::XWindow>& rxWindow) const
{
OSL_ASSERT(rxSharedWindow.is());
(void)rxWindow.is();
SharedWindowContainer::iterator iDescriptor (
mpSharedWindows->FindDescriptor(rxSharedWindow));
if (iDescriptor != mpSharedWindows->end())
{
OSL_ASSERT(iDescriptor->mxSharedCanvas.is());
Reference<rendering::XSpriteCanvas> xSpriteCanvas(iDescriptor->mxSharedCanvas, UNO_QUERY);
if (xSpriteCanvas.is())
{
Reference<rendering::XCustomSprite> xSprite (
xSpriteCanvas->createCustomSprite(geometry::RealSize2D(10,10)));
if (xSprite.is())
{
return xSprite->getContentCanvas();
}
}
}
return NULL;
}
Reference<rendering::XCanvas> PresenterCanvasFactory::CreateCanvas (
const css::uno::Reference<css::awt::XWindow>& rxWindow,
const rtl::OUString& rsCanvasServiceName) const
{
// No shared window is given or an explicit canvas service name is
// specified. Create a new canvas.
::Window* pWindow = VCLUnoHelper::GetWindow(rxWindow);
if (pWindow != NULL)
{
Sequence<Any> aArg (5);
// common: first any is VCL pointer to window (for VCL canvas)
aArg[0] = makeAny(reinterpret_cast<sal_Int64>(pWindow));
aArg[1] = Any();
aArg[2] = makeAny(::com::sun::star::awt::Rectangle());
aArg[3] = makeAny(sal_False);
aArg[4] = makeAny(rxWindow);
Reference<lang::XMultiServiceFactory> xFactory (::comphelper::getProcessServiceFactory());
return Reference<rendering::XCanvas>(
xFactory->createInstanceWithArguments(
rsCanvasServiceName.getLength()>0
? rsCanvasServiceName
: OUString::createFromAscii("com.sun.star.rendering.VCLCanvas"),
aArg),
UNO_QUERY);
}
return NULL;
}
Reference<rendering::XCanvas> PresenterCanvasFactory::GetSharedCanvas (
const Reference<awt::XWindow>& rxSharedWindow)
{
SharedWindowContainer::iterator iDescriptor = mpSharedWindows->FindDescriptor(rxSharedWindow);
if (iDescriptor != mpSharedWindows->end())
return Reference<rendering::XCanvas>(iDescriptor->mxSharedCanvas, UNO_QUERY);
else
return NULL;
}
Reference<rendering::XCanvas> PresenterCanvasFactory::GetSharedCanvas (
const Reference<rendering::XCanvas>& rxCanvas)
{
PresenterCanvas* pCanvas = dynamic_cast<PresenterCanvas*>(rxCanvas.get());
if (pCanvas != NULL)
return pCanvas->GetSharedCanvas();
else
return NULL;
}
PresenterCanvasFactory::PresenterCanvasFactory (void)
: mpSharedWindows(new SharedWindowContainer())
{
}
PresenterCanvasFactory::~PresenterCanvasFactory (void)
{
mpSharedWindows.reset();
}
} } // end of namespace ::sd::presenter
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