okular/part/extensions.cpp
2021-06-10 08:11:56 +00:00

109 lines
3 KiB
C++

/*
SPDX-FileCopyrightText: 2002 Wilco Greven <greven@kde.org>
SPDX-FileCopyrightText: 2008 Pino Toscano <pino@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "extensions.h"
// local includes
#include "part.h"
namespace Okular
{
/*
* BrowserExtension class
*/
BrowserExtension::BrowserExtension(Part *parent)
: KParts::BrowserExtension(parent)
, m_part(parent)
{
emit enableAction("print", true);
setURLDropHandlingEnabled(true);
}
void BrowserExtension::print()
{
m_part->slotPrint();
}
/*
* OkularLiveConnectExtension class
*/
#define OKULAR_EVAL_RES_OBJ_NAME "__okular_object"
#define OKULAR_EVAL_RES_OBJ "this." OKULAR_EVAL_RES_OBJ_NAME
OkularLiveConnectExtension::OkularLiveConnectExtension(Part *parent)
: KParts::LiveConnectExtension(parent)
, m_inEval(false)
{
}
bool OkularLiveConnectExtension::get(const unsigned long objid, const QString &field, KParts::LiveConnectExtension::Type &type, unsigned long &retobjid, QString &value)
{
Q_UNUSED(value)
retobjid = objid;
bool result = false;
if (field == QLatin1String("postMessage")) {
type = KParts::LiveConnectExtension::TypeFunction;
result = true;
}
return result;
}
bool OkularLiveConnectExtension::put(const unsigned long objid, const QString &field, const QString &value)
{
Q_UNUSED(objid)
if (m_inEval) {
if (field == QLatin1String(OKULAR_EVAL_RES_OBJ_NAME))
m_evalRes = value;
return true;
}
return false;
}
bool OkularLiveConnectExtension::call(const unsigned long objid, const QString &func, const QStringList &args, KParts::LiveConnectExtension::Type &type, unsigned long &retobjid, QString &value)
{
retobjid = objid;
bool result = false;
if (func == QLatin1String("postMessage")) {
type = KParts::LiveConnectExtension::TypeVoid;
postMessage(args);
value = QString();
result = true;
}
return result;
}
QString OkularLiveConnectExtension::eval(const QString &script)
{
KParts::LiveConnectExtension::ArgList args;
args.append(qMakePair(KParts::LiveConnectExtension::TypeString, script));
m_evalRes.clear();
m_inEval = true;
emit partEvent(0, QStringLiteral("eval"), args);
m_inEval = false;
return m_evalRes;
}
void OkularLiveConnectExtension::postMessage(const QStringList &args)
{
QStringList arrayargs;
for (const QString &arg : args) {
QString newarg = arg;
newarg.replace(QLatin1Char('\''), QLatin1String("\\'"));
arrayargs.append(QLatin1Char('"') + newarg + QLatin1Char('"'));
}
const QString arrayarg = QLatin1Char('[') + arrayargs.join(QStringLiteral(", ")) + QLatin1Char(']');
eval(QStringLiteral("if (this.messageHandler && typeof this.messageHandler.onMessage == 'function') "
"{ this.messageHandler.onMessage(") +
arrayarg + QStringLiteral(") }"));
}
}
#include "moc_extensions.cpp"
/* kate: replace-tabs on; indent-width 4; */