Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 419 insertions, 0 deletions

diff --git a/nsplugins/plugin_part.cpp b/nsplugins/plugin_part.cpp
new file mode 100644
index 000000000..58dae2fc2
--- /dev/null
+++ b/nsplugins/plugin_part.cpp
@@ -0,0 +1,419 @@
+/*
+  Netscape Plugin Loader KPart
+
+  Copyright (c) 2000 Matthias Hoelzer-Kluepfel <[email protected]>
+                     Stefan Schimanski <[email protected]>
+  Copyright (c) 2002-2005 George Staikos <[email protected]>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program 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.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include <dcopclient.h>
+#include <kaboutdata.h>
+#include <kaction.h>
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kfiledialog.h>
+#include <kio/netaccess.h>
+#include <klocale.h>
+#include <kparts/browserinterface.h>
+#include <kparts/browserextension.h>
+
+#include <qlabel.h>
+
+#include "nspluginloader.h"
+#include "plugin_part.h"
+
+
+class PluginBrowserExtension : public KParts::BrowserExtension
+{
+    friend class PluginPart;
+public:
+    PluginBrowserExtension( KParts::ReadOnlyPart *parent,
+                          const char *name = 0L )
+        : KParts::BrowserExtension( parent, name ) {}
+    ~PluginBrowserExtension() {}
+
+    // ATTENTION: you -CANNOT- add data members here
+};
+
+
+PluginLiveConnectExtension::PluginLiveConnectExtension(PluginPart* part) 
+: KParts::LiveConnectExtension(part), _part(part), _retval(0L) {
+}
+
+PluginLiveConnectExtension::~PluginLiveConnectExtension() {
+}
+
+bool PluginLiveConnectExtension::get(const unsigned long, const QString &field, Type &type, unsigned long &retobj, QString &value) {
+Q_UNUSED(type);
+Q_UNUSED(retobj);
+Q_UNUSED(value);
+    kdDebug(1432) << "PLUGIN:LiveConnect::get " << field << endl;
+    return false;
+}
+
+bool PluginLiveConnectExtension::call(const unsigned long, const QString &func, const QStringList &args, Type &type, unsigned long &retobjid, QString &value) {
+Q_UNUSED(type);
+Q_UNUSED(retobjid);
+Q_UNUSED(value);
+    kdDebug(1432) << "PLUGIN:LiveConnect::call " << func << " args: " << args << endl;
+    return false;
+}
+
+bool PluginLiveConnectExtension::put( const unsigned long, const QString &field, const QString &value) {
+    kdDebug(1432) << "PLUGIN:LiveConnect::put " << field << " " << value << endl;
+    if (_retval && field == "__nsplugin") {
+        *_retval = value;
+        return true;
+    } else if (field.lower() == "src") {
+        _part->changeSrc(value);
+        return true;
+    }
+    return false;
+}
+
+QString PluginLiveConnectExtension::evalJavaScript( const QString & script )
+{
+    kdDebug(1432) << "PLUGIN:LiveConnect::evalJavaScript " << script << endl;
+    ArgList args;
+    QString jscode;
+    jscode.sprintf("this.__nsplugin=eval(\"%s\")",  QString(script).replace('\\', "\\\\").replace('"', "\\\"").latin1());
+    //kdDebug(1432) << "String is [" << jscode << "]" << endl;
+    args.push_back(qMakePair(KParts::LiveConnectExtension::TypeString, jscode));
+    QString nsplugin("Undefined");
+    _retval = &nsplugin;
+    emit partEvent(0, "eval", args);
+    _retval = 0L;
+    return nsplugin;
+}
+
+extern "C"
+{
+  /**
+   * This function is the 'main' function of this part.  It takes
+   * the form 'void *init_lib<library name>()  It always returns a
+   * new factory object
+   */
+
+   K_EXPORT_COMPONENT_FACTORY(libnsplugin,PluginFactory)
+}
+
+
+NSPluginCallback::NSPluginCallback(PluginPart *part)
+  : DCOPObject()
+{
+    _part = part;
+}
+
+
+void NSPluginCallback::postURL(QString url, QString target, QByteArray data, QString mime)
+{
+    _part->postURL( url, target, data, mime );
+}
+
+
+void NSPluginCallback::requestURL(QString url, QString target)
+{
+    _part->requestURL( url, target );
+}
+
+
+void NSPluginCallback::statusMessage( QString msg )
+{
+    _part->statusMessage( msg );
+}
+
+
+void NSPluginCallback::evalJavaScript( int id, QString script )
+{
+    _part->evalJavaScript( id, script );
+}
+/**
+ * We need one static instance of the factory for our C 'main'
+ * function
+ */
+KInstance *PluginFactory::s_instance = 0L;
+
+
+PluginFactory::PluginFactory()
+{
+    kdDebug(1432) << "PluginFactory::PluginFactory" << endl;
+    s_instance = 0;
+
+    // preload plugin loader
+    _loader = NSPluginLoader::instance();
+}
+
+
+PluginFactory::~PluginFactory()
+{
+   kdDebug(1432) << "PluginFactory::~PluginFactory" << endl;
+
+   _loader->release();
+
+   if ( s_instance ) {
+       delete s_instance->aboutData();
+       delete s_instance;
+   }
+   s_instance = 0;
+}
+
+KParts::Part * PluginFactory::createPartObject(QWidget *parentWidget, const char *widgetName,
+                                         QObject *parent, const char *name,
+                                         const char *classname, const QStringList &args)
+{
+    Q_UNUSED(classname)
+    kdDebug(1432) << "PluginFactory::create" << endl;
+    KParts::Part *obj = new PluginPart(parentWidget, widgetName, parent, name, args);
+    return obj;
+}
+
+
+KInstance *PluginFactory::instance()
+{
+    kdDebug(1432) << "PluginFactory::instance" << endl;
+
+    if ( !s_instance )
+        s_instance = new KInstance( aboutData() );
+    return s_instance;
+}
+
+KAboutData *PluginFactory::aboutData()
+{
+    KAboutData *about = new KAboutData("plugin", I18N_NOOP("plugin"), "1.99");
+    return about;
+}
+
+
+/**************************************************************************/
+
+
+PluginPart::PluginPart(QWidget *parentWidget, const char *widgetName, QObject *parent,
+                       const char *name, const QStringList &args)
+    : KParts::ReadOnlyPart(parent, name), _widget(0), _args(args),
+      _destructed(0L)
+{
+    setInstance(PluginFactory::instance());
+    kdDebug(1432) << "PluginPart::PluginPart" << endl;
+
+    // we have to keep the class name of KParts::PluginBrowserExtension
+    // to let khtml find it
+    _extension = static_cast<PluginBrowserExtension*>(new KParts::BrowserExtension(this));
+    _liveconnect = new PluginLiveConnectExtension(this);
+
+    // Only create this if we have no parent since the parent part is
+    // responsible for "Save As" then
+    if (!parent || !parent->inherits("Part")) {
+        new KAction(i18n("&Save As..."), CTRL+Key_S, this, SLOT(saveAs()), actionCollection(), "saveDocument");
+        setXMLFile("nspluginpart.rc");
+    }
+
+    // create
+    _loader = NSPluginLoader::instance();
+    _callback = new NSPluginCallback(this);
+
+    // create a canvas to insert our widget
+    _canvas = new PluginCanvasWidget( parentWidget, widgetName );
+    //_canvas->setFocusPolicy( QWidget::ClickFocus );
+    _canvas->setFocusPolicy( QWidget::WheelFocus );
+    _canvas->setBackgroundMode( QWidget::NoBackground );
+    setWidget(_canvas);
+    _canvas->show();
+    QObject::connect( _canvas, SIGNAL(resized(int,int)),
+                      this, SLOT(pluginResized(int,int)) );
+}
+
+
+PluginPart::~PluginPart()
+{
+    kdDebug(1432) << "PluginPart::~PluginPart" << endl;
+
+    delete _callback;
+    _loader->release();
+    if (_destructed)
+        *_destructed = true;
+}
+
+
+bool PluginPart::openURL(const KURL &url)
+{
+    closeURL();
+    kdDebug(1432) << "-> PluginPart::openURL" << endl;
+
+    m_url = url;
+    QString surl = url.url();
+    QString smime = _extension->urlArgs().serviceType;
+    bool reload = _extension->urlArgs().reload;
+    bool embed = false;
+    bool post = _extension->urlArgs().doPost();
+
+    // handle arguments
+    QStringList argn, argv;
+
+    QStringList::Iterator it = _args.begin();
+    for ( ; it != _args.end(); ) {
+
+        int equalPos = (*it).find("=");
+        if (equalPos>0) {
+
+            QString name = (*it).left(equalPos).upper();
+            QString value = (*it).mid(equalPos+1);
+            if (value[0] == '"' && value[value.length()-1] == '"')
+                value = value.mid(1, value.length()-2);
+
+            kdDebug(1432) << "name=" << name << " value=" << value << endl;
+
+            if (!name.isEmpty()) {
+                // hack to pass view mode from khtml
+                if ( name=="__KHTML__PLUGINEMBED" ) {
+                    embed = true;
+                    kdDebug(1432) << "__KHTML__PLUGINEMBED found" << endl;
+                } else {
+                    argn << name;
+                    argv << value;
+                }
+            }
+        }
+
+        it++;
+    }
+
+    if (surl.isEmpty()) {
+        kdDebug(1432) << "<- PluginPart::openURL - false (no url passed to nsplugin)" << endl;
+        return false;
+    }
+
+    // status messages
+    emit setWindowCaption( url.prettyURL() );
+    emit setStatusBarText( i18n("Loading Netscape plugin for %1").arg(url.prettyURL()) );
+
+    // create plugin widget
+    NSPluginInstance *inst = _loader->newInstance(_canvas, surl, smime, embed, argn, argv, kapp->dcopClient()->appId(), _callback->objId(), reload, post, _extension->urlArgs().postData);
+
+    if ( inst ) {
+        _widget = inst;
+    } else {
+        QLabel *label = new QLabel( i18n("Unable to load Netscape plugin for %1").arg(url.url()), _canvas );
+        label->setAlignment( AlignCenter | WordBreak );
+        _widget = label;
+    }
+
+    _widget->resize(_canvas->width(), _canvas->height());
+    _widget->show();
+
+    kdDebug(1432) << "<- PluginPart::openURL = " << (inst!=0) << endl;
+    return inst != 0L;
+}
+
+
+bool PluginPart::closeURL()
+{
+    kdDebug(1432) << "PluginPart::closeURL" << endl;
+    delete _widget;
+    _widget = 0;
+    return true;
+}
+
+
+void PluginPart::reloadPage()
+{
+    kdDebug(1432) << "PluginPart::reloadPage()" << endl;
+    _extension->browserInterface()->callMethod("goHistory(int)", 0);
+}
+
+void PluginPart::postURL(const QString& url, const QString& target, const QByteArray& data, const QString& mime)
+{
+    kdDebug(1432) << "PluginPart::postURL( url=" << url
+                  << ", target=" << target << endl;
+
+    KURL new_url(this->url(), url);
+    KParts::URLArgs args;
+    args.setDoPost(true);
+    args.frameName = target;
+    args.postData = data;
+    args.setContentType(mime);
+
+    emit _extension->openURLRequest(new_url, args);
+}
+
+void PluginPart::requestURL(const QString& url, const QString& target)
+{
+    kdDebug(1432) << "PluginPart::requestURL( url=" << url
+                  << ", target=" << target << endl;
+
+    KURL new_url(this->url(), url);
+    KParts::URLArgs args;
+    args.frameName = target;
+    args.setDoPost(false);
+
+    emit _extension->openURLRequest(new_url, args);
+}
+
+void PluginPart::evalJavaScript(int id, const QString & script)
+{
+    kdDebug(1432) <<"evalJavascript: before widget check"<<endl;
+    if (_widget) {
+        bool destructed = false;
+        _destructed = &destructed;
+	kdDebug(1432) <<"evalJavascript: there is a widget" <<endl;	
+        QString rc = _liveconnect->evalJavaScript(script);
+        if (destructed)
+            return;
+        _destructed = 0L;
+        kdDebug(1432) << "Liveconnect: script [" << script << "] evaluated to [" << rc << "]" << endl;
+        NSPluginInstance *ni = dynamic_cast<NSPluginInstance*>(_widget.operator->());
+        if (ni)
+            ni->javascriptResult(id, rc);
+    }
+}
+
+void PluginPart::statusMessage(QString msg)
+{
+    kdDebug(1422) << "PluginPart::statusMessage " << msg << endl;
+    emit setStatusBarText(msg);
+}
+
+
+void PluginPart::pluginResized(int w, int h)
+{
+    kdDebug(1432) << "PluginPart::pluginResized()" << endl;
+
+    if (_widget) {
+        _widget->resize(w, h);
+    }
+}
+
+
+void PluginPart::changeSrc(const QString& url) {
+    closeURL();
+    openURL(KURL( url ));
+}
+
+
+void PluginPart::saveAs() {
+    KURL savefile = KFileDialog::getSaveURL(QString::null, QString::null, _widget);
+    KIO::NetAccess::copy(m_url, savefile, _widget);
+}
+
+
+void PluginCanvasWidget::resizeEvent(QResizeEvent *ev)
+{
+    QWidget::resizeEvent(ev);
+    emit resized(width(), height());
+}
+
+
+#include "plugin_part.moc"