office-gobmx/sd/source/ui/toolpanel/controls/MasterPageContainerProviders.cxx

468 lines
12 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
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* <http://www.openoffice.org/license.html>
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include "MasterPageContainerProviders.hxx"
#include "DrawDocShell.hxx"
#include "drawdoc.hxx"
#include "PreviewRenderer.hxx"
#include <comphelper/processfactory.hxx>
#include <sfx2/app.hxx>
#include <sfx2/sfxsids.hrc>
#include <unotools/ucbstreamhelper.hxx>
#include <vcl/image.hxx>
#include <vcl/pngread.hxx>
#include <com/sun/star/embed/ElementModes.hpp>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::sd::toolpanel::controls;
namespace sd { namespace toolpanel { namespace controls {
//===== PagePreviewProvider ===================================================
PagePreviewProvider::PagePreviewProvider (void)
{
}
Image PagePreviewProvider::operator () (
int nWidth,
SdPage* pPage,
::sd::PreviewRenderer& rRenderer)
{
Image aPreview;
if (pPage != NULL)
{
// Use the given renderer to create a preview of the given page
// object.
aPreview = rRenderer.RenderPage(
pPage,
nWidth,
String::CreateFromAscii(""),
false);
}
return aPreview;
}
int PagePreviewProvider::GetCostIndex (void)
{
return 5;
}
bool PagePreviewProvider::NeedsPageObject (void)
{
return true;
}
//===== TemplatePreviewProvider ===============================================
TemplatePreviewProvider::TemplatePreviewProvider (const ::rtl::OUString& rsURL)
: msURL(rsURL)
{
}
Image TemplatePreviewProvider::operator() (
int nWidth,
SdPage* pPage,
::sd::PreviewRenderer& rRenderer)
{
// Unused parameters.
(void)nWidth;
(void)pPage;
(void)rRenderer;
// Load the thumbnail from a template document.
uno::Reference<io::XInputStream> xIStream;
uno::Reference< lang::XMultiServiceFactory > xServiceManager (
::comphelper::getProcessServiceFactory());
if (xServiceManager.is())
{
try
{
uno::Reference<lang::XSingleServiceFactory> xStorageFactory(
xServiceManager->createInstance(
::rtl::OUString::createFromAscii(
"com.sun.star.embed.StorageFactory")),
uno::UNO_QUERY);
if (xStorageFactory.is())
{
uno::Sequence<uno::Any> aArgs (2);
aArgs[0] <<= msURL;
aArgs[1] <<= embed::ElementModes::READ;
uno::Reference<embed::XStorage> xDocStorage (
xStorageFactory->createInstanceWithArguments(aArgs),
uno::UNO_QUERY);
try
{
if (xDocStorage.is())
{
uno::Reference<embed::XStorage> xStorage (
xDocStorage->openStorageElement(
::rtl::OUString::createFromAscii("Thumbnails"),
embed::ElementModes::READ));
if (xStorage.is())
{
uno::Reference<io::XStream> xThumbnailCopy (
xStorage->cloneStreamElement(
::rtl::OUString::createFromAscii(
"thumbnail.png")));
if (xThumbnailCopy.is())
xIStream = xThumbnailCopy->getInputStream();
}
}
}
catch (uno::Exception& rException)
{
OSL_TRACE (
"caught exception while trying to access Thumbnail/thumbnail.png of %s: %s",
::rtl::OUStringToOString(msURL,
RTL_TEXTENCODING_UTF8).getStr(),
::rtl::OUStringToOString(rException.Message,
RTL_TEXTENCODING_UTF8).getStr());
}
try
{
// An (older) implementation had a bug - The storage
// name was "Thumbnail" instead of "Thumbnails". The
// old name is still used as fallback but this code can
// be removed soon.
if ( ! xIStream.is())
{
uno::Reference<embed::XStorage> xStorage (
xDocStorage->openStorageElement(
::rtl::OUString::createFromAscii("Thumbnail"),
embed::ElementModes::READ));
if (xStorage.is())
{
uno::Reference<io::XStream> xThumbnailCopy (
xStorage->cloneStreamElement(
::rtl::OUString::createFromAscii(
"thumbnail.png")));
if (xThumbnailCopy.is())
xIStream = xThumbnailCopy->getInputStream();
}
}
}
catch (uno::Exception& rException)
{
OSL_TRACE (
"caught exception while trying to access Thumbnails/thumbnail.png of %s: %s",
::rtl::OUStringToOString(msURL,
RTL_TEXTENCODING_UTF8).getStr(),
::rtl::OUStringToOString(rException.Message,
RTL_TEXTENCODING_UTF8).getStr());
}
}
}
catch (uno::Exception& rException)
{
OSL_TRACE (
"caught exception while trying to access tuhmbnail of %s: %s",
::rtl::OUStringToOString(msURL,
RTL_TEXTENCODING_UTF8).getStr(),
::rtl::OUStringToOString(rException.Message,
RTL_TEXTENCODING_UTF8).getStr());
}
}
// Extract the image from the stream.
BitmapEx aThumbnail;
if (xIStream.is())
{
::std::auto_ptr<SvStream> pStream (
::utl::UcbStreamHelper::CreateStream (xIStream));
::vcl::PNGReader aReader (*pStream);
aThumbnail = aReader.Read ();
}
// Note that the preview is returned without scaling it to the desired
// width. This gives the caller the chance to take advantage of a
// possibly larger resolution then was asked for.
return aThumbnail;
}
int TemplatePreviewProvider::GetCostIndex (void)
{
return 10;
}
bool TemplatePreviewProvider::NeedsPageObject (void)
{
return false;
}
//===== TemplatePageObjectProvider =============================================
TemplatePageObjectProvider::TemplatePageObjectProvider (const ::rtl::OUString& rsURL)
: msURL(rsURL),
mxDocumentShell()
{
}
SdPage* TemplatePageObjectProvider::operator() (SdDrawDocument* pContainerDocument)
{
// Unused parameters.
(void)pContainerDocument;
SdPage* pPage = NULL;
mxDocumentShell = NULL;
::sd::DrawDocShell* pDocumentShell = NULL;
try
{
// Load the template document and return its first page.
pDocumentShell = LoadDocument (msURL);
if (pDocumentShell != NULL)
{
SdDrawDocument* pDocument = pDocumentShell->GetDoc();
if (pDocument != NULL)
{
pPage = pDocument->GetMasterSdPage(0, PK_STANDARD);
// In order to make the newly loaded master page deletable
// when copied into documents it is marked as no "precious".
// When it is modified then it is marked as "precious".
if (pPage != NULL)
pPage->SetPrecious(false);
}
}
}
catch (uno::RuntimeException)
{
OSL_TRACE ("caught exception while loading page from template file");
pPage = NULL;
}
return pPage;
}
::sd::DrawDocShell* TemplatePageObjectProvider::LoadDocument (const ::rtl::OUString& sFileName)
{
SfxApplication* pSfxApp = SFX_APP();
SfxItemSet* pSet = new SfxAllItemSet (pSfxApp->GetPool());
pSet->Put (SfxBoolItem (SID_TEMPLATE, TRUE));
pSet->Put (SfxBoolItem (SID_PREVIEW, TRUE));
if (pSfxApp->LoadTemplate (mxDocumentShell, sFileName, TRUE, pSet))
{
mxDocumentShell = NULL;
}
SfxObjectShell* pShell = mxDocumentShell;
return PTR_CAST(::sd::DrawDocShell,pShell);
}
int TemplatePageObjectProvider::GetCostIndex (void)
{
return 20;
}
bool TemplatePageObjectProvider::operator== (const PageObjectProvider& rProvider)
{
const TemplatePageObjectProvider* pTemplatePageObjectProvider
= dynamic_cast<const TemplatePageObjectProvider*>(&rProvider);
if (pTemplatePageObjectProvider != NULL)
return (msURL == pTemplatePageObjectProvider->msURL);
else
return false;
}
//===== DefaultPageObjectProvider ==============================================
DefaultPageObjectProvider::DefaultPageObjectProvider (void)
{
}
SdPage* DefaultPageObjectProvider::operator () (SdDrawDocument* pContainerDocument)
{
SdPage* pLocalMasterPage = NULL;
if (pContainerDocument != NULL)
{
sal_Int32 nIndex (0);
SdPage* pLocalSlide = pContainerDocument->GetSdPage((USHORT)nIndex, PK_STANDARD);
if (pLocalSlide!=NULL && pLocalSlide->TRG_HasMasterPage())
pLocalMasterPage = dynamic_cast<SdPage*>(&pLocalSlide->TRG_GetMasterPage());
}
if (pLocalMasterPage == NULL)
{
DBG_ASSERT(false, "can not create master page for slide");
}
return pLocalMasterPage;
}
int DefaultPageObjectProvider::GetCostIndex (void)
{
return 15;
}
bool DefaultPageObjectProvider::operator== (const PageObjectProvider& rProvider)
{
return (dynamic_cast<const DefaultPageObjectProvider*>(&rProvider) != NULL);
}
//===== DefaultPagePreviewProvider ============================================
DefaultPagePreviewProvider::DefaultPagePreviewProvider (void)
{
}
Image DefaultPagePreviewProvider::operator() (
int nWidth,
SdPage* pPage,
::sd::PreviewRenderer& rRenderer)
{
// Unused parameters.
(void)nWidth;
(void)pPage;
(void)rRenderer;
return Image();
}
int DefaultPagePreviewProvider::GetCostIndex (void)
{
return 0;
}
bool DefaultPagePreviewProvider::NeedsPageObject (void)
{
return false;
}
//===== ExistingPageProvider ==================================================
ExistingPageProvider::ExistingPageProvider (SdPage* pPage)
: mpPage(pPage)
{
}
SdPage* ExistingPageProvider::operator() (SdDrawDocument* pDocument)
{
(void)pDocument; // Unused parameter.
return mpPage;
}
int ExistingPageProvider::GetCostIndex (void)
{
return 0;
}
bool ExistingPageProvider::operator== (const PageObjectProvider& rProvider)
{
const ExistingPageProvider* pExistingPageProvider
= dynamic_cast<const ExistingPageProvider*>(&rProvider);
if (pExistingPageProvider != NULL)
return (mpPage == pExistingPageProvider->mpPage);
else
return false;
}
} } } // end of namespace ::sd::toolpanel::controls