/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * 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 . */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "XNotifyingDataObject.hxx" #include #include "DtObjFactory.hxx" #include "APNDataObject.hxx" #include "DOTransferable.hxx" #include "WinClipboard.hxx" #if !defined WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #endif #include #include #include using namespace com::sun::star; namespace { CWinClipboard* s_pCWinClipbImpl = nullptr; osl::Mutex s_aClipboardSingletonMutex; } /*XEventListener,*/ CWinClipboard::CWinClipboard(const uno::Reference& rxContext, const OUString& aClipboardName) : m_xContext(rxContext) , m_itsName(aClipboardName) , m_pCurrentClipContent(nullptr) { // necessary to reassociate from // the static callback function { osl::MutexGuard aGuard(s_aClipboardSingletonMutex); s_pCWinClipbImpl = this; } registerClipboardViewer(); } CWinClipboard::~CWinClipboard() { { osl::MutexGuard aGuard(s_aClipboardSingletonMutex); s_pCWinClipbImpl = nullptr; } unregisterClipboardViewer(); } // XClipboard // to avoid unnecessary traffic we check first if there is a clipboard // content which was set via setContent, in this case we don't need // to query the content from the clipboard, create a new wrapper object // and so on, we simply return the original XTransferable instead of our // DOTransferable uno::Reference SAL_CALL CWinClipboard::getContents() { osl::MutexGuard aGuard(m_aContentMutex); if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); // use the shortcut or create a transferable from // system clipboard { osl::MutexGuard aGuard2(m_aContentCacheMutex); if (nullptr != m_pCurrentClipContent) return m_pCurrentClipContent->m_XTransferable; // Content cached? if (m_foreignContent.is()) return m_foreignContent; // release the mutex, so that the variable may be // changed by other threads } uno::Reference rClipContent; // get the current format list from clipboard if (UINT nFormats; !GetUpdatedClipboardFormats(nullptr, 0, &nFormats) && GetLastError() == ERROR_INSUFFICIENT_BUFFER) { std::vector aUINTFormats(nFormats); if (GetUpdatedClipboardFormats(aUINTFormats.data(), nFormats, &nFormats)) { std::vector aFormats(aUINTFormats.begin(), aUINTFormats.end()); rClipContent = new CDOTransferable(m_xContext, this, aFormats); osl::MutexGuard aGuard2(m_aContentCacheMutex); m_foreignContent = rClipContent; } } return rClipContent; } IDataObjectPtr CWinClipboard::getIDataObject() { osl::MutexGuard aGuard(m_aContentMutex); if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); // get the current dataobject from clipboard IDataObjectPtr pIDataObject; HRESULT hr = m_MtaOleClipboard.getClipboard(&pIDataObject); if (SUCCEEDED(hr)) { // create an apartment neutral dataobject and initialize it with a // com smart pointer to the IDataObject from clipboard pIDataObject = new CAPNDataObject(pIDataObject); } return pIDataObject; } void SAL_CALL CWinClipboard::setContents( const uno::Reference& xTransferable, const uno::Reference& xClipboardOwner) { osl::MutexGuard aGuard(m_aContentMutex); if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); IDataObjectPtr pIDataObj; if (xTransferable.is()) { { osl::MutexGuard aGuard2(m_aContentCacheMutex); m_foreignContent.clear(); m_pCurrentClipContent = new CXNotifyingDataObject( CDTransObjFactory::createDataObjFromTransferable(m_xContext, xTransferable), xTransferable, xClipboardOwner, this); } pIDataObj = IDataObjectPtr(m_pCurrentClipContent); } m_MtaOleClipboard.setClipboard(pIDataObj.get()); } OUString SAL_CALL CWinClipboard::getName() { if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); return m_itsName; } // XFlushableClipboard void SAL_CALL CWinClipboard::flushClipboard() { osl::MutexGuard aGuard(m_aContentMutex); if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); // actually it should be ClearableMutexGuard aGuard( m_aContentCacheMutex ); // but it does not work since FlushClipboard does a callback and frees DataObject // which results in a deadlock in onReleaseDataObject. // FlushClipboard had to be synchron in order to prevent shutdown until all // clipboard-formats are rendered. // The request is needed to prevent flushing if we are not clipboard owner (it is // not known what happens if we flush but aren't clipboard owner). // It may be possible to move the request to the clipboard STA thread by saving the // DataObject and call OleIsCurrentClipboard before flushing. if (nullptr != m_pCurrentClipContent) m_MtaOleClipboard.flushClipboard(); } // XClipboardEx sal_Int8 SAL_CALL CWinClipboard::getRenderingCapabilities() { if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); using namespace datatransfer::clipboard::RenderingCapabilities; return (Delayed | Persistent); } // XClipboardNotifier void SAL_CALL CWinClipboard::addClipboardListener( const uno::Reference& listener) { if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); // check input parameter if (!listener.is()) throw lang::IllegalArgumentException("empty reference", static_cast(this), 1); std::unique_lock aGuard(m_aMutex); maClipboardListeners.addInterface(aGuard, listener); } void SAL_CALL CWinClipboard::removeClipboardListener( const uno::Reference& listener) { if (m_bDisposed) throw lang::DisposedException("object is already disposed", static_cast(this)); // check input parameter if (!listener.is()) throw lang::IllegalArgumentException("empty reference", static_cast(this), 1); std::unique_lock aGuard(m_aMutex); maClipboardListeners.removeInterface(aGuard, listener); } void CWinClipboard::notifyAllClipboardListener() { if (m_bDisposed) return; std::unique_lock aGuard(m_aMutex); if (m_bDisposed) return; if (!maClipboardListeners.getLength(aGuard)) return; try { uno::Reference rXTransf(getContents()); datatransfer::clipboard::ClipboardEvent aClipbEvent(static_cast(this), rXTransf); maClipboardListeners.notifyEach( aGuard, &datatransfer::clipboard::XClipboardListener::changedContents, aClipbEvent); } catch (const lang::DisposedException&) { OSL_FAIL("Service Manager disposed"); aGuard.unlock(); // no further clipboard changed notifications unregisterClipboardViewer(); } } // XServiceInfo OUString SAL_CALL CWinClipboard::getImplementationName() { return "com.sun.star.datatransfer.clipboard.ClipboardW32"; } sal_Bool SAL_CALL CWinClipboard::supportsService(const OUString& ServiceName) { return cppu::supportsService(this, ServiceName); } uno::Sequence SAL_CALL CWinClipboard::getSupportedServiceNames() { return { "com.sun.star.datatransfer.clipboard.SystemClipboard" }; } extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* dtrans_CWinClipboard_get_implementation(css::uno::XComponentContext* context, css::uno::Sequence const& args) { // We run unit tests in parallel, which is a problem when touching a shared resource // like the system clipboard, so rather use the dummy GenericClipboard. static const bool bRunningUnitTest = getenv("LO_TESTNAME"); if (bRunningUnitTest) { SolarMutexGuard aGuard; auto xClipboard = ImplGetSVData()->mpDefInst->CreateClipboard(args); if (xClipboard.is()) xClipboard->acquire(); return xClipboard.get(); } else { return cppu::acquire(new CWinClipboard(context, "")); } } void CWinClipboard::onReleaseDataObject(CXNotifyingDataObject* theCaller) { OSL_ASSERT(nullptr != theCaller); if (theCaller) theCaller->lostOwnership(); // if the current caller is the one we currently hold, then set it to NULL // because an external source must be the clipboardowner now osl::MutexGuard aGuard(m_aContentCacheMutex); if (m_pCurrentClipContent == theCaller) m_pCurrentClipContent = nullptr; } void CWinClipboard::registerClipboardViewer() { m_MtaOleClipboard.registerClipViewer(CWinClipboard::onClipboardContentChanged); } void CWinClipboard::unregisterClipboardViewer() { m_MtaOleClipboard.registerClipViewer(nullptr); } void WINAPI CWinClipboard::onClipboardContentChanged() { osl::MutexGuard aGuard(s_aClipboardSingletonMutex); // reassociation to instance through static member if (nullptr != s_pCWinClipbImpl) { s_pCWinClipbImpl->m_foreignContent.clear(); s_pCWinClipbImpl->notifyAllClipboardListener(); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ tion value='feature/calctiledrendering_attempt3_2'>feature/calctiledrendering_attempt3_2 LibreOffice 核心代码仓库文档基金会

path: root/codemaker/StaticLibrary_codemaker.mk

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