apps/nsplugins/nspluginloader.h

   1 /*
   2
   3   This is an encapsulation of the  Netscape plugin API.
   4
   5
   6   Copyright (c) 2000 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
   7                      Stefan Schimanski <1Stein@gmx.de>
   8   Copyright (c) 2002-2005 George Staikos <staikos@kde.org>
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation; either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program; if not, write to the Free Software
  22   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  23
  24 */
  25
  26
  27 #ifndef NS_PLUGINLOADER_H
  28 #define NS_PLUGINLOADER_H
  29
  30 #include <QHash>
  31 #include <QObject>
  32 #include <QWidget>
  33 #include <QtGui/QX11EmbedContainer>
  34
  35 #include <KUrl>
  36 #include <kdemacros.h>
  37 #include <kprocess.h>
  38
  39 #define EMBEDCLASS QX11EmbedContainer
  40
  41 class OrgKdeNspluginsViewerInterface;
  42 class QPushButton;
  43 class QGridLayout;
  44 class OrgKdeNspluginsInstanceInterface;
  45
  46 class NSPluginInstance : public EMBEDCLASS
  47 {
  48   Q_OBJECT
  49
  50 public:
  51     NSPluginInstance(QWidget *parent, const QString& app, const QString& id, const KUrl& baseUrl);
  52     ~NSPluginInstance();
  53
  54     void javascriptResult(int id, const QString &result);
  55
  56     void pluginResized(int w, int h);
  57
  58 private Q_SLOTS:
  59     void loadPlugin();
  60
  61 protected:
  62     void resizeEvent(QResizeEvent *event);
  63     void showEvent(QShowEvent *event);
  64     void windowChanged(WId w);
  65     virtual void focusInEvent( QFocusEvent* event );
  66     virtual void focusOutEvent( QFocusEvent* event );
  67 private:
  68     class NSPluginLoader *_loader;
  69     OrgKdeNspluginsInstanceInterface *_instanceInterface;
  70     bool inited;
  71     bool haveSize;
  72     void doLoadPlugin(int w, int h);
  73     void embedIfNeeded(int w, int h);
  74     void resizePlugin(int w, int h );
  75
  76     QPushButton *_button;
  77     QGridLayout *_layout;
  78 };
  79
  80 // class exported for the test program
  81 class KDE_EXPORT NSPluginLoader : public QObject
  82 {
  83   Q_OBJECT
  84
  85 public:
  86   NSPluginLoader();
  87   ~NSPluginLoader();
  88
  89   NSPluginInstance *newInstance(QWidget *parent,
  90                                 const QString& url, const QString& mimeType, bool embed,
  91                                 const QStringList& argn, const QStringList& argv,
  92                                 const QString& ownDBusId, const QString& callbackId, bool reload );
  93
  94   static NSPluginLoader *instance();
  95   void release();
  96
  97 protected:
  98   void scanPlugins();
  99
 100   QString lookup(const QString &mimeType);
 101   QString lookupMimeType(const QString &url);
 102
 103   bool loadViewer();
 104   void unloadViewer();
 105
 106 protected Q_SLOTS:
 107   void processTerminated();
 108
 109 private:
 110   QStringList _searchPaths;
 111   QMultiHash<QString, QString> _mapping;
 112   QHash<QString, QString> _filetype;
 113
 114   KProcess _process;
 115   QString _viewerDBusId;
 116   OrgKdeNspluginsViewerInterface *_viewer;
 117
 118   static NSPluginLoader *s_instance;
 119   static int s_refCount;
 120 };
 121
 122
 123 #endif