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+/* -*- 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 "clipboard.hxx"
+
+#include "DataFlavorMapping.hxx"
+#include "OSXTransferable.hxx"
+#include <com/sun/star/datatransfer/MimeContentTypeFactory.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <comphelper/processfactory.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+using namespace css;
+
+@implementation EventListener;
+
+-(EventListener*)initWithAquaClipboard: (AquaClipboard*) pcb
+{
+ self = [super init];
+
+ if (self)
+ pAquaClipboard = pcb;
+
+ return self;
+}
+
+-(void)pasteboard:(NSPasteboard*)sender provideDataForType:(const NSString*)type
+{
+ if( pAquaClipboard )
+ pAquaClipboard->provideDataForType(sender, type);
+}
+
+-(void)applicationDidBecomeActive:(NSNotification*)aNotification
+{
+ if( pAquaClipboard )
+ pAquaClipboard->applicationDidBecomeActive(aNotification);
+}
+
+-(void)disposing
+{
+ pAquaClipboard = nullptr;
+}
+
+@end
+
+static OUString clipboard_getImplementationName()
+{
+ return "com.sun.star.datatransfer.clipboard.AquaClipboard";
+}
+
+static uno::Sequence<OUString> clipboard_getSupportedServiceNames()
+{
+ return { OUString("com.sun.star.datatransfer.clipboard.SystemClipboard") };
+}
+
+AquaClipboard::AquaClipboard(NSPasteboard* pasteboard, bool bUseSystemPasteboard)
+ : WeakComponentImplHelper<XSystemClipboard, XFlushableClipboard, XServiceInfo>(m_aMutex)
+ , mIsSystemPasteboard(bUseSystemPasteboard)
+{
+ uno::Reference<uno::XComponentContext> xContext = comphelper::getProcessComponentContext();
+
+ mrXMimeCntFactory = datatransfer::MimeContentTypeFactory::create(xContext);
+
+ mpDataFlavorMapper = std::make_shared<DataFlavorMapper>();
+
+ if (pasteboard != nullptr)
+ {
+ mPasteboard = pasteboard;
+ mIsSystemPasteboard = false;
+ }
+ else
+ {
+ SAL_WNODEPRECATED_DECLARATIONS_PUSH //TODO: 10.13 NSDragPboard
+ mPasteboard = bUseSystemPasteboard ? [NSPasteboard generalPasteboard] :
+ [NSPasteboard pasteboardWithName: NSDragPboard];
+ SAL_WNODEPRECATED_DECLARATIONS_POP
+
+ if (mPasteboard == nil)
+ {
+ throw uno::RuntimeException("AquaClipboard: Cannot create Cocoa pasteboard",
+ static_cast<XClipboardEx*>(this));
+ }
+ }
+
+ [mPasteboard retain];
+
+ mEventListener = [[EventListener alloc] initWithAquaClipboard: this];
+
+ if (mEventListener == nil)
+ {
+ [mPasteboard release];
+
+ throw uno::RuntimeException(
+ "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];
+}
+
+uno::Reference<datatransfer::XTransferable> SAL_CALL AquaClipboard::getContents()
+{
+ osl::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 uno::Reference<datatransfer::XTransferable>(
+ new OSXTransferable(mrXMimeCntFactory,
+ mpDataFlavorMapper,
+ mPasteboard));
+}
+
+void SAL_CALL AquaClipboard::setContents(
+ uno::Reference<datatransfer::XTransferable> const & xTransferable,
+ uno::Reference<datatransfer::clipboard::XClipboardOwner> const & xClipboardOwner)
+{
+ NSArray* types = xTransferable.is() ?
+ mpDataFlavorMapper->flavorSequenceToTypesArray(xTransferable->getTransferDataFlavors()) :
+ [NSArray array];
+
+ osl::ClearableMutexGuard aGuard(m_aMutex);
+
+ uno::Reference<datatransfer::clipboard::XClipboardOwner> oldOwner(mXClipboardOwner);
+ mXClipboardOwner = xClipboardOwner;
+
+ uno::Reference<datatransfer::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()
+{
+ return OUString();
+}
+
+sal_Int8 SAL_CALL AquaClipboard::getRenderingCapabilities()
+{
+ return 0;
+}
+
+void SAL_CALL AquaClipboard::addClipboardListener(uno::Reference<datatransfer::clipboard::XClipboardListener> const & listener)
+{
+ osl::MutexGuard aGuard(m_aMutex);
+
+ if (!listener.is())
+ throw lang::IllegalArgumentException("empty reference",
+ static_cast<XClipboardEx*>(this), 1);
+
+ mClipboardListeners.push_back(listener);
+}
+
+void SAL_CALL AquaClipboard::removeClipboardListener(uno::Reference<datatransfer::clipboard::XClipboardListener> const & listener)
+{
+ osl::MutexGuard aGuard(m_aMutex);
+
+ if (!listener.is())
+ throw lang::IllegalArgumentException("empty reference",
+ static_cast<XClipboardEx*>(this), 1);
+
+ mClipboardListeners.remove(listener);
+}
+
+void AquaClipboard::applicationDidBecomeActive(NSNotification*)
+{
+ osl::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
+ uno::Reference<datatransfer::clipboard::XClipboardOwner> oldOwner(mXClipboardOwner);
+ mXClipboardOwner.clear();
+
+ uno::Reference<datatransfer::XTransferable> oldContent(mXClipboardContent);
+ mXClipboardContent.clear();
+
+ aGuard.clear();
+
+ if (oldOwner.is())
+ {
+ fireLostClipboardOwnershipEvent(oldOwner, oldContent);
+ }
+
+ fireClipboardChangedEvent();
+ }
+}
+
+void AquaClipboard::fireClipboardChangedEvent()
+{
+ osl::ClearableMutexGuard aGuard(m_aMutex);
+
+ datatransfer::clipboard::ClipboardEvent aEvent;
+
+ if (!mClipboardListeners.empty())
+ {
+ aEvent = datatransfer::clipboard::ClipboardEvent(static_cast<OWeakObject*>(this), getContents());
+ }
+
+ aGuard.clear();
+
+ for (auto const& rListener : mClipboardListeners)
+ {
+ if (rListener.is())
+ {
+ try
+ {
+ rListener->changedContents(aEvent);
+ }
+ catch (uno::RuntimeException& )
+ {}
+ }
+ }
+}
+
+void AquaClipboard::fireLostClipboardOwnershipEvent(
+ uno::Reference<datatransfer::clipboard::XClipboardOwner> const & rOldOwner,
+ uno::Reference<datatransfer::XTransferable> const & rOldContent)
+{
+ assert(rOldOwner.is());
+
+ try
+ {
+ rOldOwner->lostOwnership(static_cast<XClipboardEx*>(this), rOldContent);
+ }
+ catch(uno::RuntimeException&)
+ {}
+}
+
+void AquaClipboard::provideDataForType(NSPasteboard* sender, const NSString* type)
+{
+ if( mXClipboardContent.is() )
+ {
+ DataProviderPtr_t dp = mpDataFlavorMapper->getDataProvider(type, mXClipboardContent);
+ NSData* pBoardData = nullptr;
+
+ if (dp.get() != nullptr)
+ {
+ pBoardData = dp->getSystemData();
+ [sender setData: pBoardData forType:const_cast<NSString*>(type)];
+ }
+ }
+}
+
+void SAL_CALL AquaClipboard::flushClipboard()
+{
+ if (mXClipboardContent.is())
+ {
+ uno::Sequence<datatransfer::DataFlavor> flavorList = mXClipboardContent->getTransferDataFlavors();
+ sal_uInt32 nFlavors = flavorList.getLength();
+ bool bInternal(false);
+
+ for (sal_uInt32 i = 0; i < nFlavors; i++)
+ {
+ const NSString* sysType = mpDataFlavorMapper->openOfficeToSystemFlavor(flavorList[i], bInternal);
+
+ if (sysType != nullptr)
+ {
+ provideDataForType(mPasteboard, sysType);
+ }
+ }
+ mXClipboardContent.clear();
+ }
+}
+
+NSPasteboard* AquaClipboard::getPasteboard() const
+{
+ return mPasteboard;
+}
+
+OUString SAL_CALL AquaClipboard::getImplementationName()
+{
+ return clipboard_getImplementationName();
+}
+
+sal_Bool SAL_CALL AquaClipboard::supportsService(OUString const & rServiceName)
+{
+ return cppu::supportsService(this, rServiceName);
+}
+
+uno::Sequence<OUString> SAL_CALL AquaClipboard::getSupportedServiceNames()
+{
+ return clipboard_getSupportedServiceNames();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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