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Diffstat (limited to 'browser-plugin/scriptable.h')
| -rw-r--r-- | browser-plugin/scriptable.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/browser-plugin/scriptable.h b/browser-plugin/scriptable.h new file mode 100644 index 0000000..325cf50 --- /dev/null +++ b/browser-plugin/scriptable.h @@ -0,0 +1,133 @@ +/* this file is part of evince, a gnome document viewer + * + * Copyright (C) 2009 litl, LLC + * + * Evince 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. + * + * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __SCRIPTABLE_PLUGIN_H__ +#define __SCRIPTABLE_PLUGIN_H__ + +#include <npapi.h> +#include <npupp.h> + +NPObject *AllocateScriptablePluginObject (NPP npp, NPClass *aClass); +NPObject *AllocateConstructablePluginObject (NPP npp, NPClass *aClass); + +class ScriptablePluginObjectBase : public NPObject +{ + public: + ScriptablePluginObjectBase (NPP npp) : mNpp(npp) + { + } + + virtual ~ScriptablePluginObjectBase () + { + } + + virtual void Invalidate (); + virtual bool HasMethod (NPIdentifier name); + virtual bool Invoke (NPIdentifier name, const NPVariant *args, + uint32_t argCount, NPVariant *result); + virtual bool InvokeDefault (const NPVariant *args, uint32_t argCount, + NPVariant *result); + virtual bool HasProperty (NPIdentifier name); + virtual bool GetProperty (NPIdentifier name, NPVariant *result); + virtual bool SetProperty (NPIdentifier name, const NPVariant *value); + virtual bool RemoveProperty (NPIdentifier name); + virtual bool Enumerate (NPIdentifier **identifier, uint32_t *count); + virtual bool Construct (const NPVariant *args, uint32_t argCount, + NPVariant *result); + + static void _Deallocate (NPObject *npobj); + static void _Invalidate (NPObject *npobj); + static bool _HasMethod (NPObject *npobj, NPIdentifier name); + static bool _Invoke (NPObject *npobj, NPIdentifier name, + const NPVariant *args, uint32_t argCount, + NPVariant *result); + static bool _InvokeDefault (NPObject *npobj, const NPVariant *args, + uint32_t argCount, NPVariant *result); + static bool _HasProperty (NPObject * npobj, NPIdentifier name); + static bool _GetProperty (NPObject *npobj, NPIdentifier name, + NPVariant *result); + static bool _SetProperty (NPObject *npobj, NPIdentifier name, + const NPVariant *value); + static bool _RemoveProperty (NPObject *npobj, NPIdentifier name); + static bool _Enumerate (NPObject *npobj, NPIdentifier **identifier, + uint32_t *count); + static bool _Construct (NPObject *npobj, const NPVariant *args, + uint32_t argCount, NPVariant *result); + + protected: + NPP mNpp; +}; + +class ScriptablePluginObject : public ScriptablePluginObjectBase +{ + public: + ScriptablePluginObject (NPP npp); + + virtual bool HasMethod (NPIdentifier name); + virtual bool HasProperty (NPIdentifier name); + virtual bool GetProperty (NPIdentifier name, NPVariant *result); + virtual bool Invoke (NPIdentifier name, const NPVariant *args, + uint32_t argCount, NPVariant *result); + virtual bool InvokeDefault (const NPVariant *args, uint32_t argCount, + NPVariant *result); + + private: + NPIdentifier mZoomInID; + NPIdentifier mZoomOutID; + NPIdentifier mFindPreviousID; + NPIdentifier mFindNextID; +}; + +class ConstructablePluginObject : public ScriptablePluginObjectBase +{ + public: + ConstructablePluginObject (NPP npp) : ScriptablePluginObjectBase (npp) + { + } + + virtual bool Construct (const NPVariant *args, uint32_t argCount, + NPVariant *result); +}; + +#define DECLARE_NPOBJECT_CLASS_WITH_BASE(_class, ctor) \ +static NPClass s##_class##_NPClass = { \ + NP_CLASS_STRUCT_VERSION_CTOR, \ + ctor, \ + ScriptablePluginObjectBase::_Deallocate, \ + ScriptablePluginObjectBase::_Invalidate, \ + ScriptablePluginObjectBase::_HasMethod, \ + ScriptablePluginObjectBase::_Invoke, \ + ScriptablePluginObjectBase::_InvokeDefault, \ + ScriptablePluginObjectBase::_HasProperty, \ + ScriptablePluginObjectBase::_GetProperty, \ + ScriptablePluginObjectBase::_SetProperty, \ + ScriptablePluginObjectBase::_RemoveProperty, \ + ScriptablePluginObjectBase::_Enumerate, \ + ScriptablePluginObjectBase::_Construct \ +} + +#define GET_NPOBJECT_CLASS(_class) &s##_class##_NPClass + +DECLARE_NPOBJECT_CLASS_WITH_BASE (ScriptablePluginObject, + AllocateScriptablePluginObject); + +DECLARE_NPOBJECT_CLASS_WITH_BASE (ConstructablePluginObject, + AllocateConstructablePluginObject); + +#endif // __SCRIPTABLE_PLUGIN_H__ |