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/*
* Copyright © 2007 Novell, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#ifndef _COMPIZ_PLUGIN_H
#define _COMPIZ_PLUGIN_H
#include <compiz.h>
#include <core/option.h>
class CompScreen;
extern CompScreen *screen;
#include <map>
#define HOME_PLUGINDIR ".compiz/plugins"
#define COMPIZ_PLUGIN_20090315(name, classname) \
CompPlugin::VTable * name##VTable = NULL; \
extern "C" { \
CompPlugin::VTable * getCompPluginVTable20090315_##name () \
{ \
if (!name##VTable) \
{ \
name##VTable = new classname (); \
name##VTable->initVTable (TOSTRING(name), &name##VTable); \
return name##VTable; \
} \
else \
return name##VTable; \
} \
}
class CompPlugin;
typedef bool (*LoadPluginProc) (CompPlugin *p,
const char *path,
const char *name);
typedef void (*UnloadPluginProc) (CompPlugin *p);
typedef CompStringList (*ListPluginsProc) (const char *path);
extern LoadPluginProc loaderLoadPlugin;
extern UnloadPluginProc loaderUnloadPlugin;
extern ListPluginsProc loaderListPlugins;
union CompPrivate {
void *ptr;
long val;
unsigned long uval;
void *(*fptr) (void);
};
class CompPlugin {
public:
class VTable {
public:
VTable ();
virtual ~VTable ();
void initVTable (CompString name,
CompPlugin::VTable **self = NULL);
const CompString name () const;
virtual bool init () = 0;
virtual void fini ();
virtual bool initScreen (CompScreen *s);
virtual void finiScreen (CompScreen *s);
virtual bool initWindow (CompWindow *w);
virtual void finiWindow (CompWindow *w);
virtual CompOption::Vector & getOptions ();
virtual bool setOption (const CompString &name,
CompOption::Value &value);
private:
CompString mName;
VTable **mSelf;
};
template <typename T, typename T2>
class VTableForScreenAndWindow : public VTable {
bool initScreen (CompScreen *s);
void finiScreen (CompScreen *s);
bool initWindow (CompWindow *w);
void finiWindow (CompWindow *w);
CompOption::Vector & getOptions ();
bool setOption (const CompString &name, CompOption::Value &value);
};
template <typename T>
class VTableForScreen : public VTable {
bool initScreen (CompScreen *s);
void finiScreen (CompScreen *s);
CompOption::Vector & getOptions ();
bool setOption (const CompString &name, CompOption::Value &value);
};
struct cmpStr
{
bool operator() (const char *a, const char *b) const
{
return strcmp (a, b) < 0;
}
};
typedef std::map<const char *, CompPlugin *, cmpStr> Map;
typedef std::list<CompPlugin *> List;
public:
CompPrivate devPrivate;
CompString devType;
VTable *vTable;
public:
static bool screenInitPlugins (CompScreen *s);
static void screenFiniPlugins (CompScreen *s);
static bool windowInitPlugins (CompWindow *w);
static void windowFiniPlugins (CompWindow *w);
static CompPlugin *find (const char *name);
static CompPlugin *load (const char *plugin);
static void unload (CompPlugin *p);
static bool push (CompPlugin *p);
static CompPlugin *pop (void);
static List & getPlugins ();
static std::list<CompString> availablePlugins ();
static int getPluginABI (const char *name);
static bool checkPluginABI (const char *name,
int abi);
};
template <typename T, typename T2>
bool CompPlugin::VTableForScreenAndWindow<T,T2>::initScreen (CompScreen *s)
{
T * ps = new T (s);
if (ps->loadFailed ())
{
delete ps;
return false;
}
return true;
}
template <typename T, typename T2>
void CompPlugin::VTableForScreenAndWindow<T,T2>::finiScreen (CompScreen *s)
{
T * ps = T::get (s);
delete ps;
}
template <typename T, typename T2>
bool CompPlugin::VTableForScreenAndWindow<T,T2>::initWindow (CompWindow *w)
{
T2 * pw = new T2 (w);
if (pw->loadFailed ())
{
delete pw;
return false;
}
return true;
}
template <typename T, typename T2>
void CompPlugin::VTableForScreenAndWindow<T,T2>::finiWindow (CompWindow *w)
{
T2 * pw = T2::get (w);
delete pw;
}
template <typename T, typename T2>
CompOption::Vector & CompPlugin::VTableForScreenAndWindow<T,T2>::getOptions ()
{
CompOption::Class *oc = dynamic_cast<CompOption::Class *>(T::get (screen));
if (!oc)
return noOptions;
return oc->getOptions ();
}
template <typename T, typename T2>
bool CompPlugin::VTableForScreenAndWindow<T,T2>::setOption (const CompString &name,
CompOption::Value &value)
{
CompOption::Class *oc = dynamic_cast<CompOption::Class *>(T::get (screen));
if (!oc)
return false;
return oc->setOption (name, value);
}
template <typename T>
bool CompPlugin::VTableForScreen<T>::initScreen (CompScreen *s)
{
T * ps = new T (s);
if (ps->loadFailed ())
{
delete ps;
return false;
}
return true;
}
template <typename T>
void CompPlugin::VTableForScreen<T>::finiScreen (CompScreen *s)
{
T * ps = T::get (s);
delete ps;
}
template <typename T>
CompOption::Vector & CompPlugin::VTableForScreen<T>::getOptions ()
{
CompOption::Class *oc = dynamic_cast<CompOption::Class *>(T::get (screen));
if (!oc)
return noOptions;
return oc->getOptions ();
}
template <typename T>
bool CompPlugin::VTableForScreen<T>::setOption (const CompString &name,
CompOption::Value &value)
{
CompOption::Class *oc = dynamic_cast<CompOption::Class *>(T::get (screen));
if (!oc)
return false;
return oc->setOption (name, value);
}
typedef CompPlugin::VTable *(*PluginGetInfoProc) (void);
#endif
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