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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>
#include <map>
class CompMetadata;
#define HOME_PLUGINDIR ".compiz/plugins"
#define PLUGIN_OPTION_HELPER(screenName) \
CompOption::Vector & getOptions () \
{ \
screenName *ps = screenName::get (screen); \
if (ps) \
return ps->getOptions (); \
return noOptions; \
} \
\
bool setOption (const char *name, \
CompOption::Value &value) \
{ \
screenName *ps = screenName::get (screen); \
if (ps) \
return ps->setOption (name, value); \
return false; \
}
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;
class CompPlugin {
public:
class VTable {
public:
virtual ~VTable ();
virtual const char * name () = 0;
virtual CompMetadata * getMetadata ();
virtual bool init () = 0;
virtual void fini () = 0;
virtual bool initScreen (CompScreen *screen);
virtual void finiScreen (CompScreen *screen);
virtual bool initWindow (CompWindow *window);
virtual void finiWindow (CompWindow *window);
virtual CompOption::Vector & getOptions ();
virtual bool setOption (const char *name,
CompOption::Value &value);
};
template <typename T, typename T2>
class VTableForScreenAndWindow : public VTable {
bool initScreen (CompScreen *screen);
void finiScreen (CompScreen *screen);
bool initWindow (CompWindow *window);
void finiWindow (CompWindow *window);
};
template <typename T>
class VTableForScreen : public VTable {
bool initScreen (CompScreen *screen);
void finiScreen (CompScreen *screen);
};
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 *screen)
{
T * ps = new T (screen);
if (ps->loadFailed ())
{
delete ps;
return false;
}
return true;
}
template <typename T, typename T2>
void CompPlugin::VTableForScreenAndWindow<T,T2>::finiScreen (CompScreen *screen)
{
T * ps = T::get (screen);
delete ps;
}
template <typename T, typename T2>
bool CompPlugin::VTableForScreenAndWindow<T,T2>::initWindow (CompWindow *window)
{
T2 * pw = new T2 (window);
if (pw->loadFailed ())
{
delete pw;
return false;
}
return true;
}
template <typename T, typename T2>
void CompPlugin::VTableForScreenAndWindow<T,T2>::finiWindow (CompWindow *window)
{
T2 * pw = T2::get (window);
delete pw;
}
template <typename T>
bool CompPlugin::VTableForScreen<T>::initScreen (CompScreen *screen)
{
T * ps = new T (screen);
if (ps->loadFailed ())
{
delete ps;
return false;
}
return true;
}
template <typename T>
void CompPlugin::VTableForScreen<T>::finiScreen (CompScreen *screen)
{
T * ps = T::get (screen);
delete ps;
}
typedef CompPlugin::VTable *(*PluginGetInfoProc) (void);
COMPIZ_BEGIN_DECLS
CompPlugin::VTable *
getCompPluginInfo20080805 (void);
COMPIZ_END_DECLS
#endif
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