office-gobmx/vcl/aqua/source/dtrans/aqua_clipboard.cxx
2011-11-27 13:26:59 -06:00

391 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#include "aqua_clipboard.hxx"
#include "DataFlavorMapping.hxx"
#include "OSXTransferable.hxx"
#include "vcl/unohelp.hxx"
#include "comphelper/makesequence.hxx"
#include <boost/assert.hpp>
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::datatransfer::clipboard;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace cppu;
using namespace osl;
using namespace std;
using namespace comphelper;
using ::rtl::OUString;
@implementation EventListener;
-(EventListener*)initWithAquaClipboard: (AquaClipboard*) pcb
{
self = [super init];
if (self)
pAquaClipboard = pcb;
return self;
}
-(void)pasteboard:(NSPasteboard*)sender provideDataForType:(NSString*)type
{
if( pAquaClipboard )
pAquaClipboard->provideDataForType(sender, type);
}
-(void)applicationDidBecomeActive:(NSNotification*)aNotification
{
if( pAquaClipboard )
pAquaClipboard->applicationDidBecomeActive(aNotification);
}
-(void)disposing
{
pAquaClipboard = NULL;
}
@end
OUString clipboard_getImplementationName()
{
return OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.datatransfer.clipboard.AquaClipboard"));
}
Sequence<OUString> clipboard_getSupportedServiceNames()
{
return makeSequence(OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.datatransfer.clipboard.SystemClipboard")));
}
AquaClipboard::AquaClipboard(NSPasteboard* pasteboard, bool bUseSystemPasteboard) :
WeakComponentImplHelper4<XClipboardEx, XClipboardNotifier, XFlushableClipboard, XServiceInfo>(m_aMutex),
mIsSystemPasteboard(bUseSystemPasteboard)
{
Reference<XMultiServiceFactory> mrServiceMgr = vcl::unohelper::GetMultiServiceFactory();
mrXMimeCntFactory = Reference<XMimeContentTypeFactory>(mrServiceMgr->createInstance(
OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.datatransfer.MimeContentTypeFactory"))), UNO_QUERY);
if (!mrXMimeCntFactory.is())
{
throw RuntimeException(OUString(
RTL_CONSTASCII_USTRINGPARAM("AquaClipboard: Cannot create com.sun.star.datatransfer.MimeContentTypeFactory")),
static_cast<XClipboardEx*>(this));
}
mpDataFlavorMapper = DataFlavorMapperPtr_t(new DataFlavorMapper());
if (pasteboard != NULL)
{
mPasteboard = pasteboard;
mIsSystemPasteboard = false;
}
else
{
mPasteboard = bUseSystemPasteboard ? [NSPasteboard generalPasteboard] :
[NSPasteboard pasteboardWithName: NSDragPboard];
if (mPasteboard == nil)
{
throw RuntimeException(OUString(
RTL_CONSTASCII_USTRINGPARAM("AquaClipboard: Cannot create Cocoa pasteboard")),
static_cast<XClipboardEx*>(this));
}
}
[mPasteboard retain];
mEventListener = [[EventListener alloc] initWithAquaClipboard: this];
if (mEventListener == nil)
{
[mPasteboard release];
throw RuntimeException(
OUString(RTL_CONSTASCII_USTRINGPARAM("AquaClipboard: Cannot create pasteboard change listener")),
static_cast<XClipboardEx*>(this));
}
if (mIsSystemPasteboard)
{
NSNotificationCenter* notificationCenter = [NSNotificationCenter defaultCenter];
[notificationCenter addObserver: mEventListener
selector: @selector(applicationDidBecomeActive:)
name: @"NSApplicationDidBecomeActiveNotification"
object: [NSApplication sharedApplication]];
}
mPasteboardChangeCount = [mPasteboard changeCount];
}
AquaClipboard::~AquaClipboard()
{
if (mIsSystemPasteboard)
{
[[NSNotificationCenter defaultCenter] removeObserver: mEventListener];
}
[mEventListener disposing];
[mEventListener release];
[mPasteboard release];
}
Reference<XTransferable> SAL_CALL AquaClipboard::getContents() throw(RuntimeException)
{
MutexGuard aGuard(m_aMutex);
// Shortcut: If we are clipboard owner already we don't need
// to drag the data through the system clipboard
if (mXClipboardContent.is())
{
return mXClipboardContent;
}
return Reference<XTransferable>(new OSXTransferable(mrXMimeCntFactory,
mpDataFlavorMapper,
mPasteboard));
}
void SAL_CALL AquaClipboard::setContents(const Reference<XTransferable>& xTransferable,
const Reference<XClipboardOwner>& xClipboardOwner)
throw( RuntimeException )
{
NSArray* types = xTransferable.is() ?
mpDataFlavorMapper->flavorSequenceToTypesArray(xTransferable->getTransferDataFlavors()) :
[NSArray array];
ClearableMutexGuard aGuard(m_aMutex);
Reference<XClipboardOwner> oldOwner(mXClipboardOwner);
mXClipboardOwner = xClipboardOwner;
Reference<XTransferable> oldContent(mXClipboardContent);
mXClipboardContent = xTransferable;
mPasteboardChangeCount = [mPasteboard declareTypes: types owner: mEventListener];
aGuard.clear();
// if we are already the owner of the clipboard
// then fire lost ownership event
if (oldOwner.is())
{
fireLostClipboardOwnershipEvent(oldOwner, oldContent);
}
fireClipboardChangedEvent();
}
OUString SAL_CALL AquaClipboard::getName() throw( RuntimeException )
{
return OUString();
}
sal_Int8 SAL_CALL AquaClipboard::getRenderingCapabilities() throw( RuntimeException )
{
return 0;
}
void SAL_CALL AquaClipboard::addClipboardListener(const Reference< XClipboardListener >& listener)
throw( RuntimeException )
{
MutexGuard aGuard(m_aMutex);
if (!listener.is())
throw IllegalArgumentException(OUString(RTL_CONSTASCII_USTRINGPARAM("empty reference")),
static_cast<XClipboardEx*>(this), 1);
mClipboardListeners.push_back(listener);
}
void SAL_CALL AquaClipboard::removeClipboardListener(const Reference< XClipboardListener >& listener)
throw( RuntimeException )
{
MutexGuard aGuard(m_aMutex);
if (!listener.is())
throw IllegalArgumentException(OUString(RTL_CONSTASCII_USTRINGPARAM("empty reference")),
static_cast<XClipboardEx*>(this), 1);
mClipboardListeners.remove(listener);
}
void AquaClipboard::applicationDidBecomeActive(NSNotification*)
{
ClearableMutexGuard aGuard(m_aMutex);
int currentPboardChgCount = [mPasteboard changeCount];
if (currentPboardChgCount != mPasteboardChangeCount)
{
mPasteboardChangeCount = currentPboardChgCount;
// Clear clipboard content and owner and send lostOwnership
// notification to the old clipboard owner as well as
// ClipboardChanged notification to any clipboard listener
Reference<XClipboardOwner> oldOwner(mXClipboardOwner);
mXClipboardOwner = Reference<XClipboardOwner>();
Reference<XTransferable> oldContent(mXClipboardContent);
mXClipboardContent = Reference<XTransferable>();
aGuard.clear();
if (oldOwner.is())
{
fireLostClipboardOwnershipEvent(oldOwner, oldContent);
}
fireClipboardChangedEvent();
}
}
void AquaClipboard::fireClipboardChangedEvent()
{
ClearableMutexGuard aGuard(m_aMutex);
list<Reference< XClipboardListener > > listeners(mClipboardListeners);
ClipboardEvent aEvent;
if (listeners.begin() != listeners.end())
{
aEvent = ClipboardEvent(static_cast<OWeakObject*>(this), getContents());
}
aGuard.clear();
while (listeners.begin() != listeners.end())
{
if (listeners.front().is())
{
try { listeners.front()->changedContents(aEvent); }
catch (RuntimeException&) { }
}
listeners.pop_front();
}
}
void AquaClipboard::fireLostClipboardOwnershipEvent(Reference<XClipboardOwner> oldOwner, Reference<XTransferable> oldContent)
{
BOOST_ASSERT(oldOwner.is());
try { oldOwner->lostOwnership(static_cast<XClipboardEx*>(this), oldContent); }
catch(RuntimeException&) { }
}
void AquaClipboard::provideDataForType(NSPasteboard* sender, NSString* type)
{
if( mXClipboardContent.is() )
{
DataProviderPtr_t dp = mpDataFlavorMapper->getDataProvider(type, mXClipboardContent);
NSData* pBoardData = NULL;
if (dp.get() != NULL)
{
pBoardData = (NSData*)dp->getSystemData();
[sender setData: pBoardData forType: type];
}
}
}
//------------------------------------------------
// XFlushableClipboard
//------------------------------------------------
void SAL_CALL AquaClipboard::flushClipboard()
throw(RuntimeException)
{
if (mXClipboardContent.is())
{
Sequence<DataFlavor> flavorList = mXClipboardContent->getTransferDataFlavors();
sal_uInt32 nFlavors = flavorList.getLength();
for (sal_uInt32 i = 0; i < nFlavors; i++)
{
NSString* sysType = mpDataFlavorMapper->openOfficeToSystemFlavor(flavorList[i]);
if (sysType != NULL)
{
provideDataForType(mPasteboard, sysType);
}
}
mXClipboardContent.clear();
}
}
NSPasteboard* AquaClipboard::getPasteboard() const
{
return mPasteboard;
}
//-------------------------------------------------
// XServiceInfo
//-------------------------------------------------
OUString SAL_CALL AquaClipboard::getImplementationName() throw( RuntimeException )
{
return clipboard_getImplementationName();
}
sal_Bool SAL_CALL AquaClipboard::supportsService( const OUString& /*ServiceName*/ ) throw( RuntimeException )
{
return sal_False;
}
Sequence< OUString > SAL_CALL AquaClipboard::getSupportedServiceNames() throw( RuntimeException )
{
return clipboard_getSupportedServiceNames();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */