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/* @@@LICENSE
*
* Copyright (c) 2012 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
LICENSE@@@ */
#ifndef JSON_NPOBJECT_H
#define JSON_NPOBJECT_H
#include <npupp.h>
#include <npapi.h>
#include <string>
#include <map>
#include <pbnjson.hpp>
class BrowserAdapter;
/**
* \brief This class implements a generic NPObject that is initialized
* with Json.
*
* Only getting properties is supported. Methods, and modifying/deleting
* properties are not supported.
*/
class JsonNPObject : public NPObject
{
public:
JsonNPObject(BrowserAdapter *adapter);
~JsonNPObject();
/**
* Defines methods for the object.
*/
static NPClass sJsonNPObjectClass;
/**
* Initializes the object with JSON.
* \param json Json that represents the object.
* \return True if successful.
*/
bool initialize(pbnjson::JSchemaFile &schema, const char *json);
/**
* Initialize the object with a parsed DOM
* \param dom Representation of the DOM.
*/
bool initialize(pbnjson::JValue &dom);
private:
/**
* \name NPClass methods
*/
/*@{*/
static NPObject* PrvObjAllocate(NPP npp, NPClass* klass);
static void PrvObjDeallocate(NPObject* obj);
static void PrvObjInvalidate(NPObject* obj);
static bool PrvObjHasMethod(NPObject* obj, NPIdentifier name);
static bool PrvObjInvoke(NPObject *obj, NPIdentifier name,
const NPVariant *args, uint32_t argCount, NPVariant *result);
static bool PrvObjInvokeDefault(NPObject *obj, const NPVariant *args,
uint32_t argCount, NPVariant *result);
static bool PrvObjHasProperty(NPObject *obj, NPIdentifier name);
static bool PrvObjGetProperty(NPObject *obj, NPIdentifier name,
NPVariant *result);
static bool PrvObjSetProperty(NPObject *obj, NPIdentifier name,
const NPVariant *value);
static bool PrvObjRemoveProperty(NPObject *obj, NPIdentifier name);
static bool PrvObjEnumerate(NPObject *obj, NPIdentifier **value,
uint32_t *count);
static bool PrvObjConstruct(NPObject *obj, const NPVariant *args,
uint32_t argCount, NPVariant *result);
/*@}*/
/**
* \name Instance methods that implement the NPClass methods.
*/
/*@{*/
bool hasProperty(NPIdentifier name);
bool getProperty(NPIdentifier name, NPVariant *result);
/*@}*/
private:
/**
* \brief DOM representation of the parsed Json input.
*/
pbnjson::JValue m_dom;
/**
* \brief Map of this object's properties that are objects
* themselves.
*
* This is populated lazily.
*/
std::map<std::string, NPObject *> m_objects;
/**
* \brief A reference to the NPP object.
*/
BrowserAdapter *m_adapter;
};
#endif