barrier/lib/platform/COSXClipboard.cpp

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/*
2010-06-20 17:38:51 +00:00
* synergy-plus -- mouse and keyboard sharing utility
* Copyright (C) 2009 The Synergy+ Project
* Copyright (C) 2004 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
2010-06-20 17:38:51 +00:00
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "CClipboard.h"
#include "COSXClipboard.h"
#include "COSXClipboardUTF16Converter.h"
#include "COSXClipboardTextConverter.h"
#include "CLog.h"
#include "XArch.h"
//
// COSXClipboard
//
COSXClipboard::COSXClipboard() :
m_time(0),
m_pboard(NULL)
{
m_converters.push_back(new COSXClipboardUTF16Converter);
m_converters.push_back(new COSXClipboardTextConverter);
OSStatus createErr = PasteboardCreate(kPasteboardClipboard, &m_pboard);
if (createErr != noErr) {
LOG((CLOG_DEBUG "failed to create clipboard reference: error %i", createErr));
LOG((CLOG_ERR "Unable to connect to pasteboard. Clipboard sharing disabled.", createErr));
m_pboard = NULL;
return;
}
OSStatus syncErr = PasteboardSynchronize(m_pboard);
if (syncErr != noErr) {
LOG((CLOG_DEBUG "failed to syncronize clipboard: error %i", syncErr));
}
}
COSXClipboard::~COSXClipboard()
{
clearConverters();
}
bool
COSXClipboard::empty()
{
LOG((CLOG_DEBUG "emptying clipboard"));
if (m_pboard == NULL)
return false;
OSStatus err = PasteboardClear(m_pboard);
if (err != noErr) {
LOG((CLOG_DEBUG "failed to clear clipboard: error %i", err));
return false;
}
return true;
}
bool
COSXClipboard::synchronize()
{
if (m_pboard == NULL)
return false;
PasteboardSyncFlags flags = PasteboardSynchronize(m_pboard);
LOG((CLOG_DEBUG1 "flags: %x", flags));
if (flags & kPasteboardModified) {
return true;
}
return false;
}
void
COSXClipboard::add(EFormat format, const CString & data)
{
if (m_pboard == NULL)
return;
LOG((CLOG_DEBUG "add %d bytes to clipboard format: %d", data.size(), format));
for (ConverterList::const_iterator index = m_converters.begin();
index != m_converters.end(); ++index) {
IOSXClipboardConverter* converter = *index;
// skip converters for other formats
if (converter->getFormat() == format) {
CString osXData = converter->fromIClipboard(data);
CFStringRef flavorType = converter->getOSXFormat();
CFDataRef dataRef = CFDataCreate(kCFAllocatorDefault, (UInt8 *)osXData.data(), osXData.size());
PasteboardPutItemFlavor(
m_pboard,
(PasteboardItemID) 0,
flavorType,
dataRef,
kPasteboardFlavorNoFlags);
LOG((CLOG_DEBUG "added %d bytes to clipboard format: %d", data.size(), format));
}
}
}
bool
COSXClipboard::open(Time time) const
{
if (m_pboard == NULL)
return false;
LOG((CLOG_DEBUG "opening clipboard"));
m_time = time;
return true;
}
void
COSXClipboard::close() const
{
LOG((CLOG_DEBUG "closing clipboard"));
/* not needed */
}
IClipboard::Time
COSXClipboard::getTime() const
{
return m_time;
}
bool
COSXClipboard::has(EFormat format) const
{
if (m_pboard == NULL)
return false;
PasteboardItemID item;
PasteboardGetItemIdentifier(m_pboard, (CFIndex) 1, &item);
for (ConverterList::const_iterator index = m_converters.begin();
index != m_converters.end(); ++index) {
IOSXClipboardConverter* converter = *index;
if (converter->getFormat() == format) {
PasteboardFlavorFlags flags;
CFStringRef type = converter->getOSXFormat();
OSStatus res;
if ((res = PasteboardGetItemFlavorFlags(m_pboard, item, type, &flags)) == noErr) {
return true;
}
}
}
return false;
}
CString
COSXClipboard::get(EFormat format) const
{
CFStringRef type;
PasteboardItemID item;
CString result;
if (m_pboard == NULL)
return result;
PasteboardGetItemIdentifier(m_pboard, (CFIndex) 1, &item);
// find the converter for the first clipboard format we can handle
IOSXClipboardConverter* converter = NULL;
for (ConverterList::const_iterator index = m_converters.begin();
index != m_converters.end(); ++index) {
converter = *index;
PasteboardFlavorFlags flags;
type = converter->getOSXFormat();
if (converter->getFormat() == format &&
PasteboardGetItemFlavorFlags(m_pboard, item, type, &flags) == noErr) {
break;
}
converter = NULL;
}
// if no converter then we don't recognize any formats
if (converter == NULL) {
LOG((CLOG_DEBUG "Unable to find converter for data"));
return result;
}
// get the clipboard data.
CFDataRef buffer = NULL;
try {
OSStatus err = PasteboardCopyItemFlavorData(m_pboard, item, type, &buffer);
if (err != noErr) {
throw err;
}
result = CString((char *) CFDataGetBytePtr(buffer), CFDataGetLength(buffer));
}
catch (OSStatus err) {
LOG((CLOG_DEBUG "exception thrown in COSXClipboard::get MacError (%d)", err));
}
catch (...) {
LOG((CLOG_DEBUG "unknown exception in COSXClipboard::get"));
RETHROW_XTHREAD
}
if (buffer != NULL)
CFRelease(buffer);
return converter->toIClipboard(result);
}
void
COSXClipboard::clearConverters()
{
if (m_pboard == NULL)
return;
for (ConverterList::iterator index = m_converters.begin();
index != m_converters.end(); ++index) {
delete *index;
}
m_converters.clear();
}